From 807c6931fe683fd844ceec1b023232181e6aae03 Mon Sep 17 00:00:00 2001 From: marha Date: Tue, 28 Dec 2010 16:10:20 +0000 Subject: xserver and mesa git update 28-12-2010 --- mesalib/src/mesa/state_tracker/Makefile | 2 + mesalib/src/mesa/state_tracker/st_atom.c | 200 ++ mesalib/src/mesa/state_tracker/st_atom.h | 72 + mesalib/src/mesa/state_tracker/st_atom_blend.c | 286 +++ mesalib/src/mesa/state_tracker/st_atom_clip.c | 75 + mesalib/src/mesa/state_tracker/st_atom_constbuf.c | 171 ++ mesalib/src/mesa/state_tracker/st_atom_constbuf.h | 41 + mesalib/src/mesa/state_tracker/st_atom_depth.c | 160 ++ .../src/mesa/state_tracker/st_atom_framebuffer.c | 180 ++ mesalib/src/mesa/state_tracker/st_atom_msaa.c | 83 + .../src/mesa/state_tracker/st_atom_pixeltransfer.c | 354 ++++ .../src/mesa/state_tracker/st_atom_rasterizer.c | 272 +++ mesalib/src/mesa/state_tracker/st_atom_sampler.c | 270 +++ mesalib/src/mesa/state_tracker/st_atom_scissor.c | 100 + mesalib/src/mesa/state_tracker/st_atom_shader.c | 198 ++ mesalib/src/mesa/state_tracker/st_atom_shader.h | 41 + mesalib/src/mesa/state_tracker/st_atom_stipple.c | 93 + mesalib/src/mesa/state_tracker/st_atom_texture.c | 308 +++ mesalib/src/mesa/state_tracker/st_atom_viewport.c | 90 + mesalib/src/mesa/state_tracker/st_cache.h | 69 + mesalib/src/mesa/state_tracker/st_cb_accum.c | 339 ++++ mesalib/src/mesa/state_tracker/st_cb_accum.h | 63 + mesalib/src/mesa/state_tracker/st_cb_bitmap.c | 889 +++++++++ mesalib/src/mesa/state_tracker/st_cb_bitmap.h | 95 + mesalib/src/mesa/state_tracker/st_cb_blit.c | 207 ++ mesalib/src/mesa/state_tracker/st_cb_blit.h | 58 + .../src/mesa/state_tracker/st_cb_bufferobjects.c | 447 +++++ .../src/mesa/state_tracker/st_cb_bufferobjects.h | 68 + mesalib/src/mesa/state_tracker/st_cb_clear.c | 563 ++++++ mesalib/src/mesa/state_tracker/st_cb_clear.h | 52 + mesalib/src/mesa/state_tracker/st_cb_condrender.c | 96 + mesalib/src/mesa/state_tracker/st_cb_condrender.h | 37 + mesalib/src/mesa/state_tracker/st_cb_drawpixels.c | 1362 +++++++++++++ mesalib/src/mesa/state_tracker/st_cb_drawpixels.h | 69 + mesalib/src/mesa/state_tracker/st_cb_drawtex.c | 303 +++ mesalib/src/mesa/state_tracker/st_cb_drawtex.h | 40 + mesalib/src/mesa/state_tracker/st_cb_eglimage.c | 169 ++ mesalib/src/mesa/state_tracker/st_cb_eglimage.h | 50 + mesalib/src/mesa/state_tracker/st_cb_fbo.c | 617 ++++++ mesalib/src/mesa/state_tracker/st_cb_fbo.h | 96 + mesalib/src/mesa/state_tracker/st_cb_feedback.c | 308 +++ mesalib/src/mesa/state_tracker/st_cb_feedback.h | 51 + mesalib/src/mesa/state_tracker/st_cb_flush.c | 164 ++ mesalib/src/mesa/state_tracker/st_cb_flush.h | 51 + mesalib/src/mesa/state_tracker/st_cb_program.c | 245 +++ mesalib/src/mesa/state_tracker/st_cb_program.h | 38 + mesalib/src/mesa/state_tracker/st_cb_queryobj.c | 176 ++ mesalib/src/mesa/state_tracker/st_cb_queryobj.h | 69 + mesalib/src/mesa/state_tracker/st_cb_rasterpos.c | 271 +++ mesalib/src/mesa/state_tracker/st_cb_rasterpos.h | 49 + mesalib/src/mesa/state_tracker/st_cb_readpixels.c | 554 ++++++ mesalib/src/mesa/state_tracker/st_cb_readpixels.h | 52 + mesalib/src/mesa/state_tracker/st_cb_strings.c | 73 + mesalib/src/mesa/state_tracker/st_cb_strings.h | 40 + mesalib/src/mesa/state_tracker/st_cb_texture.c | 2016 ++++++++++++++++++++ mesalib/src/mesa/state_tracker/st_cb_texture.h | 55 + mesalib/src/mesa/state_tracker/st_cb_viewport.c | 71 + mesalib/src/mesa/state_tracker/st_cb_viewport.h | 36 + mesalib/src/mesa/state_tracker/st_cb_xformfb.c | 133 ++ mesalib/src/mesa/state_tracker/st_cb_xformfb.h | 50 + mesalib/src/mesa/state_tracker/st_context.c | 299 +++ mesalib/src/mesa/state_tracker/st_context.h | 271 +++ mesalib/src/mesa/state_tracker/st_debug.c | 102 + mesalib/src/mesa/state_tracker/st_debug.h | 72 + mesalib/src/mesa/state_tracker/st_draw.c | 777 ++++++++ mesalib/src/mesa/state_tracker/st_draw.h | 91 + mesalib/src/mesa/state_tracker/st_draw_feedback.c | 286 +++ mesalib/src/mesa/state_tracker/st_extensions.c | 462 +++++ mesalib/src/mesa/state_tracker/st_extensions.h | 40 + mesalib/src/mesa/state_tracker/st_format.c | 1090 +++++++++++ mesalib/src/mesa/state_tracker/st_format.h | 80 + mesalib/src/mesa/state_tracker/st_gen_mipmap.c | 423 ++++ mesalib/src/mesa/state_tracker/st_gen_mipmap.h | 52 + mesalib/src/mesa/state_tracker/st_gl_api.h | 7 + mesalib/src/mesa/state_tracker/st_manager.c | 924 +++++++++ mesalib/src/mesa/state_tracker/st_manager.h | 52 + mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c | 1206 ++++++++++++ mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.h | 73 + mesalib/src/mesa/state_tracker/st_program.c | 1151 +++++++++++ mesalib/src/mesa/state_tracker/st_program.h | 300 +++ mesalib/src/mesa/state_tracker/st_texture.c | 316 +++ mesalib/src/mesa/state_tracker/st_texture.h | 225 +++ 82 files changed, 21486 insertions(+) create mode 100644 mesalib/src/mesa/state_tracker/Makefile create mode 100644 mesalib/src/mesa/state_tracker/st_atom.c create mode 100644 mesalib/src/mesa/state_tracker/st_atom.h create mode 100644 mesalib/src/mesa/state_tracker/st_atom_blend.c create mode 100644 mesalib/src/mesa/state_tracker/st_atom_clip.c create mode 100644 mesalib/src/mesa/state_tracker/st_atom_constbuf.c create mode 100644 mesalib/src/mesa/state_tracker/st_atom_constbuf.h create mode 100644 mesalib/src/mesa/state_tracker/st_atom_depth.c create mode 100644 mesalib/src/mesa/state_tracker/st_atom_framebuffer.c create mode 100644 mesalib/src/mesa/state_tracker/st_atom_msaa.c create mode 100644 mesalib/src/mesa/state_tracker/st_atom_pixeltransfer.c create mode 100644 mesalib/src/mesa/state_tracker/st_atom_rasterizer.c create mode 100644 mesalib/src/mesa/state_tracker/st_atom_sampler.c create mode 100644 mesalib/src/mesa/state_tracker/st_atom_scissor.c create mode 100644 mesalib/src/mesa/state_tracker/st_atom_shader.c create mode 100644 mesalib/src/mesa/state_tracker/st_atom_shader.h create mode 100644 mesalib/src/mesa/state_tracker/st_atom_stipple.c create mode 100644 mesalib/src/mesa/state_tracker/st_atom_texture.c create mode 100644 mesalib/src/mesa/state_tracker/st_atom_viewport.c create mode 100644 mesalib/src/mesa/state_tracker/st_cache.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_accum.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_accum.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_bitmap.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_bitmap.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_blit.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_blit.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_bufferobjects.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_clear.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_clear.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_condrender.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_condrender.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_drawpixels.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_drawpixels.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_drawtex.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_drawtex.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_eglimage.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_eglimage.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_fbo.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_fbo.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_feedback.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_feedback.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_flush.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_flush.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_program.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_program.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_queryobj.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_queryobj.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_rasterpos.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_rasterpos.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_readpixels.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_readpixels.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_strings.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_strings.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_texture.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_texture.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_viewport.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_viewport.h create mode 100644 mesalib/src/mesa/state_tracker/st_cb_xformfb.c create mode 100644 mesalib/src/mesa/state_tracker/st_cb_xformfb.h create mode 100644 mesalib/src/mesa/state_tracker/st_context.c create mode 100644 mesalib/src/mesa/state_tracker/st_context.h create mode 100644 mesalib/src/mesa/state_tracker/st_debug.c create mode 100644 mesalib/src/mesa/state_tracker/st_debug.h create mode 100644 mesalib/src/mesa/state_tracker/st_draw.c create mode 100644 mesalib/src/mesa/state_tracker/st_draw.h create mode 100644 mesalib/src/mesa/state_tracker/st_draw_feedback.c create mode 100644 mesalib/src/mesa/state_tracker/st_extensions.c create mode 100644 mesalib/src/mesa/state_tracker/st_extensions.h create mode 100644 mesalib/src/mesa/state_tracker/st_format.c create mode 100644 mesalib/src/mesa/state_tracker/st_format.h create mode 100644 mesalib/src/mesa/state_tracker/st_gen_mipmap.c create mode 100644 mesalib/src/mesa/state_tracker/st_gen_mipmap.h create mode 100644 mesalib/src/mesa/state_tracker/st_gl_api.h create mode 100644 mesalib/src/mesa/state_tracker/st_manager.c create mode 100644 mesalib/src/mesa/state_tracker/st_manager.h create mode 100644 mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c create mode 100644 mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.h create mode 100644 mesalib/src/mesa/state_tracker/st_program.c create mode 100644 mesalib/src/mesa/state_tracker/st_program.h create mode 100644 mesalib/src/mesa/state_tracker/st_texture.c create mode 100644 mesalib/src/mesa/state_tracker/st_texture.h (limited to 'mesalib/src/mesa/state_tracker') diff --git a/mesalib/src/mesa/state_tracker/Makefile b/mesalib/src/mesa/state_tracker/Makefile new file mode 100644 index 000000000..4a38ca8f1 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/Makefile @@ -0,0 +1,2 @@ +default: + cd ../.. ; make \ No newline at end of file diff --git a/mesalib/src/mesa/state_tracker/st_atom.c b/mesalib/src/mesa/state_tracker/st_atom.c new file mode 100644 index 000000000..ff1f61afe --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom.c @@ -0,0 +1,200 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include "main/glheader.h" +#include "main/context.h" + +#include "pipe/p_defines.h" +#include "st_context.h" +#include "st_atom.h" +#include "st_cb_bitmap.h" +#include "st_program.h" +#include "st_manager.h" + + +/** + * This is used to initialize st->atoms[]. + */ +static const struct st_tracked_state *atoms[] = +{ + &st_update_depth_stencil_alpha, + &st_update_clip, + + &st_finalize_textures, + &st_update_fp, + &st_update_gp, + &st_update_vp, + + &st_update_rasterizer, + &st_update_polygon_stipple, + &st_update_viewport, + &st_update_scissor, + &st_update_blend, + &st_update_sampler, + &st_update_texture, + &st_update_framebuffer, + &st_update_msaa, + &st_update_vs_constants, + &st_update_gs_constants, + &st_update_fs_constants, + &st_update_pixel_transfer +}; + + +void st_init_atoms( struct st_context *st ) +{ + /* no-op */ +} + + +void st_destroy_atoms( struct st_context *st ) +{ + /* no-op */ +} + + +/*********************************************************************** + */ + +static GLboolean check_state( const struct st_state_flags *a, + const struct st_state_flags *b ) +{ + return ((a->mesa & b->mesa) || + (a->st & b->st)); +} + +static void accumulate_state( struct st_state_flags *a, + const struct st_state_flags *b ) +{ + a->mesa |= b->mesa; + a->st |= b->st; +} + + +static void xor_states( struct st_state_flags *result, + const struct st_state_flags *a, + const struct st_state_flags *b ) +{ + result->mesa = a->mesa ^ b->mesa; + result->st = a->st ^ b->st; +} + + +/* Too complex to figure out, just check every time: + */ +static void check_program_state( struct st_context *st ) +{ + struct gl_context *ctx = st->ctx; + + if (ctx->VertexProgram._Current != &st->vp->Base) + st->dirty.st |= ST_NEW_VERTEX_PROGRAM; + + if (ctx->FragmentProgram._Current != &st->fp->Base) + st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM; + + if (ctx->GeometryProgram._Current != &st->gp->Base) + st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM; +} + + +/*********************************************************************** + * Update all derived state: + */ + +void st_validate_state( struct st_context *st ) +{ + struct st_state_flags *state = &st->dirty; + GLuint i; + + /* The bitmap cache is immune to pixel unpack changes. + * Note that GLUT makes several calls to glPixelStore for each + * bitmap char it draws so this is an important check. + */ + if (state->mesa & ~_NEW_PACKUNPACK) + st_flush_bitmap_cache(st); + + check_program_state( st ); + + st_manager_validate_framebuffers(st); + + if (state->st == 0) + return; + + /*printf("%s %x/%x\n", __FUNCTION__, state->mesa, state->st);*/ + + if (1) { + /* Debug version which enforces various sanity checks on the + * state flags which are generated and checked to help ensure + * state atoms are ordered correctly in the list. + */ + struct st_state_flags examined, prev; + memset(&examined, 0, sizeof(examined)); + prev = *state; + + for (i = 0; i < Elements(atoms); i++) { + const struct st_tracked_state *atom = atoms[i]; + struct st_state_flags generated; + + /*printf("atom %s %x/%x\n", atom->name, atom->dirty.mesa, atom->dirty.st);*/ + + if (!(atom->dirty.mesa || atom->dirty.st) || + !atom->update) { + printf("malformed atom %s\n", atom->name); + assert(0); + } + + if (check_state(state, &atom->dirty)) { + atoms[i]->update( st ); + /*printf("after: %x\n", atom->dirty.mesa);*/ + } + + accumulate_state(&examined, &atom->dirty); + + /* generated = (prev ^ state) + * if (examined & generated) + * fail; + */ + xor_states(&generated, &prev, state); + assert(!check_state(&examined, &generated)); + prev = *state; + } + /*printf("\n");*/ + + } + else { + for (i = 0; i < Elements(atoms); i++) { + if (check_state(state, &atoms[i]->dirty)) + atoms[i]->update( st ); + } + } + + memset(state, 0, sizeof(*state)); +} + + + diff --git a/mesalib/src/mesa/state_tracker/st_atom.h b/mesalib/src/mesa/state_tracker/st_atom.h new file mode 100644 index 000000000..aec5785e6 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom.h @@ -0,0 +1,72 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + */ + + +#ifndef ST_ATOM_H +#define ST_ATOM_H + +#include "main/glheader.h" + +struct st_context; +struct st_tracked_state; + +void st_init_atoms( struct st_context *st ); +void st_destroy_atoms( struct st_context *st ); + + +void st_validate_state( struct st_context *st ); + + +extern const struct st_tracked_state st_update_framebuffer; +extern const struct st_tracked_state st_update_clip; +extern const struct st_tracked_state st_update_depth_stencil_alpha; +extern const struct st_tracked_state st_update_fp; +extern const struct st_tracked_state st_update_gp; +extern const struct st_tracked_state st_update_vp; +extern const struct st_tracked_state st_update_rasterizer; +extern const struct st_tracked_state st_update_polygon_stipple; +extern const struct st_tracked_state st_update_viewport; +extern const struct st_tracked_state st_update_scissor; +extern const struct st_tracked_state st_update_blend; +extern const struct st_tracked_state st_update_msaa; +extern const struct st_tracked_state st_update_sampler; +extern const struct st_tracked_state st_update_texture; +extern const struct st_tracked_state st_finalize_textures; +extern const struct st_tracked_state st_update_fs_constants; +extern const struct st_tracked_state st_update_gs_constants; +extern const struct st_tracked_state st_update_vs_constants; +extern const struct st_tracked_state st_update_pixel_transfer; + + +GLuint st_compare_func_to_pipe(GLenum func); + +#endif diff --git a/mesalib/src/mesa/state_tracker/st_atom_blend.c b/mesalib/src/mesa/state_tracker/st_atom_blend.c new file mode 100644 index 000000000..e60bbd36f --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_blend.c @@ -0,0 +1,286 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + * Brian Paul + */ + + +#include "st_context.h" +#include "st_atom.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "cso_cache/cso_context.h" + +#include "main/macros.h" + +/** + * Convert GLenum blend tokens to pipe tokens. + * Both blend factors and blend funcs are accepted. + */ +static GLuint +translate_blend(GLenum blend) +{ + switch (blend) { + /* blend functions */ + case GL_FUNC_ADD: + return PIPE_BLEND_ADD; + case GL_FUNC_SUBTRACT: + return PIPE_BLEND_SUBTRACT; + case GL_FUNC_REVERSE_SUBTRACT: + return PIPE_BLEND_REVERSE_SUBTRACT; + case GL_MIN: + return PIPE_BLEND_MIN; + case GL_MAX: + return PIPE_BLEND_MAX; + + /* blend factors */ + case GL_ONE: + return PIPE_BLENDFACTOR_ONE; + case GL_SRC_COLOR: + return PIPE_BLENDFACTOR_SRC_COLOR; + case GL_SRC_ALPHA: + return PIPE_BLENDFACTOR_SRC_ALPHA; + case GL_DST_ALPHA: + return PIPE_BLENDFACTOR_DST_ALPHA; + case GL_DST_COLOR: + return PIPE_BLENDFACTOR_DST_COLOR; + case GL_SRC_ALPHA_SATURATE: + return PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE; + case GL_CONSTANT_COLOR: + return PIPE_BLENDFACTOR_CONST_COLOR; + case GL_CONSTANT_ALPHA: + return PIPE_BLENDFACTOR_CONST_ALPHA; + /* + return PIPE_BLENDFACTOR_SRC1_COLOR; + return PIPE_BLENDFACTOR_SRC1_ALPHA; + */ + case GL_ZERO: + return PIPE_BLENDFACTOR_ZERO; + case GL_ONE_MINUS_SRC_COLOR: + return PIPE_BLENDFACTOR_INV_SRC_COLOR; + case GL_ONE_MINUS_SRC_ALPHA: + return PIPE_BLENDFACTOR_INV_SRC_ALPHA; + case GL_ONE_MINUS_DST_COLOR: + return PIPE_BLENDFACTOR_INV_DST_COLOR; + case GL_ONE_MINUS_DST_ALPHA: + return PIPE_BLENDFACTOR_INV_DST_ALPHA; + case GL_ONE_MINUS_CONSTANT_COLOR: + return PIPE_BLENDFACTOR_INV_CONST_COLOR; + case GL_ONE_MINUS_CONSTANT_ALPHA: + return PIPE_BLENDFACTOR_INV_CONST_ALPHA; + /* + return PIPE_BLENDFACTOR_INV_SRC1_COLOR; + return PIPE_BLENDFACTOR_INV_SRC1_ALPHA; + */ + default: + assert("invalid GL token in translate_blend()" == NULL); + return 0; + } +} + + +/** + * Convert GLenum logicop tokens to pipe tokens. + */ +static GLuint +translate_logicop(GLenum logicop) +{ + switch (logicop) { + case GL_CLEAR: + return PIPE_LOGICOP_CLEAR; + case GL_NOR: + return PIPE_LOGICOP_NOR; + case GL_AND_INVERTED: + return PIPE_LOGICOP_AND_INVERTED; + case GL_COPY_INVERTED: + return PIPE_LOGICOP_COPY_INVERTED; + case GL_AND_REVERSE: + return PIPE_LOGICOP_AND_REVERSE; + case GL_INVERT: + return PIPE_LOGICOP_INVERT; + case GL_XOR: + return PIPE_LOGICOP_XOR; + case GL_NAND: + return PIPE_LOGICOP_NAND; + case GL_AND: + return PIPE_LOGICOP_AND; + case GL_EQUIV: + return PIPE_LOGICOP_EQUIV; + case GL_NOOP: + return PIPE_LOGICOP_NOOP; + case GL_OR_INVERTED: + return PIPE_LOGICOP_OR_INVERTED; + case GL_COPY: + return PIPE_LOGICOP_COPY; + case GL_OR_REVERSE: + return PIPE_LOGICOP_OR_REVERSE; + case GL_OR: + return PIPE_LOGICOP_OR; + case GL_SET: + return PIPE_LOGICOP_SET; + default: + assert("invalid GL token in translate_logicop()" == NULL); + return 0; + } +} + +/** + * Figure out if colormasks are different per rt. + */ +static GLboolean +colormask_per_rt(struct gl_context *ctx) +{ + /* a bit suboptimal have to compare lots of values */ + unsigned i; + for (i = 1; i < ctx->Const.MaxDrawBuffers; i++) { + if (memcmp(ctx->Color.ColorMask[0], ctx->Color.ColorMask[i], 4)) { + return GL_TRUE; + } + } + return GL_FALSE; +} + +/** + * Figure out if blend enables are different per rt. + */ +static GLboolean +blend_per_rt(struct gl_context *ctx) +{ + if (ctx->Color.BlendEnabled && + (ctx->Color.BlendEnabled != ((1 << ctx->Const.MaxDrawBuffers) - 1))) { + return GL_TRUE; + } + return GL_FALSE; +} + +static void +update_blend( struct st_context *st ) +{ + struct pipe_blend_state *blend = &st->state.blend; + unsigned num_state = 1; + unsigned i; + + memset(blend, 0, sizeof(*blend)); + + if (blend_per_rt(st->ctx) || colormask_per_rt(st->ctx)) { + num_state = st->ctx->Const.MaxDrawBuffers; + blend->independent_blend_enable = 1; + } + /* Note it is impossible to correctly deal with EXT_blend_logic_op and + EXT_draw_buffers2/EXT_blend_equation_separate at the same time. + These combinations would require support for per-rt logicop enables + and separate alpha/rgb logicop/blend support respectively. Neither + possible in gallium nor most hardware. Assume these combinations + don't happen. */ + if (st->ctx->Color.ColorLogicOpEnabled || + (st->ctx->Color.BlendEnabled && + st->ctx->Color.BlendEquationRGB == GL_LOGIC_OP)) { + /* logicop enabled */ + blend->logicop_enable = 1; + blend->logicop_func = translate_logicop(st->ctx->Color.LogicOp); + } + else if (st->ctx->Color.BlendEnabled) { + /* blending enabled */ + for (i = 0; i < num_state; i++) { + + blend->rt[i].blend_enable = (st->ctx->Color.BlendEnabled >> i) & 0x1; + + blend->rt[i].rgb_func = translate_blend(st->ctx->Color.BlendEquationRGB); + if (st->ctx->Color.BlendEquationRGB == GL_MIN || + st->ctx->Color.BlendEquationRGB == GL_MAX) { + /* Min/max are special */ + blend->rt[i].rgb_src_factor = PIPE_BLENDFACTOR_ONE; + blend->rt[i].rgb_dst_factor = PIPE_BLENDFACTOR_ONE; + } + else { + blend->rt[i].rgb_src_factor = translate_blend(st->ctx->Color.BlendSrcRGB); + blend->rt[i].rgb_dst_factor = translate_blend(st->ctx->Color.BlendDstRGB); + } + + blend->rt[i].alpha_func = translate_blend(st->ctx->Color.BlendEquationA); + if (st->ctx->Color.BlendEquationA == GL_MIN || + st->ctx->Color.BlendEquationA == GL_MAX) { + /* Min/max are special */ + blend->rt[i].alpha_src_factor = PIPE_BLENDFACTOR_ONE; + blend->rt[i].alpha_dst_factor = PIPE_BLENDFACTOR_ONE; + } + else { + blend->rt[i].alpha_src_factor = translate_blend(st->ctx->Color.BlendSrcA); + blend->rt[i].alpha_dst_factor = translate_blend(st->ctx->Color.BlendDstA); + } + } + } + else { + /* no blending / logicop */ + } + + /* Colormask - maybe reverse these bits? */ + for (i = 0; i < num_state; i++) { + if (st->ctx->Color.ColorMask[i][0]) + blend->rt[i].colormask |= PIPE_MASK_R; + if (st->ctx->Color.ColorMask[i][1]) + blend->rt[i].colormask |= PIPE_MASK_G; + if (st->ctx->Color.ColorMask[i][2]) + blend->rt[i].colormask |= PIPE_MASK_B; + if (st->ctx->Color.ColorMask[i][3]) + blend->rt[i].colormask |= PIPE_MASK_A; + } + + if (st->ctx->Color.DitherFlag) + blend->dither = 1; + + if (st->ctx->Multisample.Enabled) { + /* unlike in gallium/d3d10 these operations are only performed + if msaa is enabled */ + if (st->ctx->Multisample.SampleAlphaToCoverage) + blend->alpha_to_coverage = 1; + if (st->ctx->Multisample.SampleAlphaToOne) + blend->alpha_to_one = 1; + } + + cso_set_blend(st->cso_context, blend); + + { + struct pipe_blend_color bc; + COPY_4FV(bc.color, st->ctx->Color.BlendColor); + cso_set_blend_color(st->cso_context, &bc); + } +} + + +const struct st_tracked_state st_update_blend = { + "st_update_blend", /* name */ + { /* dirty */ + (_NEW_COLOR | _NEW_MULTISAMPLE), /* XXX _NEW_BLEND someday? */ /* mesa */ + 0, /* st */ + }, + update_blend, /* update */ +}; diff --git a/mesalib/src/mesa/state_tracker/st_atom_clip.c b/mesalib/src/mesa/state_tracker/st_atom_clip.c new file mode 100644 index 000000000..24d479a74 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_clip.c @@ -0,0 +1,75 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + */ + + +#include "st_context.h" +#include "pipe/p_context.h" +#include "st_atom.h" + +#include "cso_cache/cso_context.h" + + +/* Second state atom for user clip planes: + */ +static void update_clip( struct st_context *st ) +{ + struct pipe_clip_state clip; + GLuint i; + + memset(&clip, 0, sizeof(clip)); + + for (i = 0; i < PIPE_MAX_CLIP_PLANES; i++) { + if (st->ctx->Transform.ClipPlanesEnabled & (1 << i)) { + memcpy(clip.ucp[clip.nr], + st->ctx->Transform._ClipUserPlane[i], + sizeof(clip.ucp[0])); + clip.nr++; + } + } + + clip.depth_clamp = st->ctx->Transform.DepthClamp != GL_FALSE; + + if (memcmp(&clip, &st->state.clip, sizeof(clip)) != 0) { + st->state.clip = clip; + cso_set_clip(st->cso_context, &clip); + } +} + + +const struct st_tracked_state st_update_clip = { + "st_update_clip", /* name */ + { /* dirty */ + (_NEW_TRANSFORM), /* mesa */ + 0, /* st */ + }, + update_clip /* update */ +}; diff --git a/mesalib/src/mesa/state_tracker/st_atom_constbuf.c b/mesalib/src/mesa/state_tracker/st_atom_constbuf.c new file mode 100644 index 000000000..5672215f7 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_constbuf.c @@ -0,0 +1,171 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/* + * Authors: + * Keith Whitwell + * Brian Paul + */ + +#include "main/imports.h" +#include "program/prog_parameter.h" +#include "program/prog_print.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "util/u_inlines.h" + +#include "st_debug.h" +#include "st_context.h" +#include "st_atom.h" +#include "st_atom_constbuf.h" +#include "st_program.h" + + +/** + * Pass the given program parameters to the graphics pipe as a + * constant buffer. + * \param shader_type either PIPE_SHADER_VERTEX or PIPE_SHADER_FRAGMENT + */ +void st_upload_constants( struct st_context *st, + struct gl_program_parameter_list *params, + unsigned shader_type) +{ + struct pipe_context *pipe = st->pipe; + struct pipe_resource **cbuf = &st->state.constants[shader_type]; + + assert(shader_type == PIPE_SHADER_VERTEX || + shader_type == PIPE_SHADER_FRAGMENT || + shader_type == PIPE_SHADER_GEOMETRY); + + /* update constants */ + if (params && params->NumParameters) { + const uint paramBytes = params->NumParameters * sizeof(GLfloat) * 4; + + /* Update the constants which come from fixed-function state, such as + * transformation matrices, fog factors, etc. The rest of the values in + * the parameters list are explicitly set by the user with glUniform, + * glProgramParameter(), etc. + */ + _mesa_load_state_parameters(st->ctx, params); + + /* We always need to get a new buffer, to keep the drivers simple and + * avoid gratuitous rendering synchronization. + */ + pipe_resource_reference(cbuf, NULL ); + *cbuf = pipe_buffer_create(pipe->screen, + PIPE_BIND_CONSTANT_BUFFER, + paramBytes ); + + if (ST_DEBUG & DEBUG_CONSTANTS) { + debug_printf("%s(shader=%d, numParams=%d, stateFlags=0x%x)\n", + __FUNCTION__, shader_type, params->NumParameters, + params->StateFlags); + _mesa_print_parameter_list(params); + } + + /* load Mesa constants into the constant buffer */ + pipe_buffer_write(st->pipe, *cbuf, + 0, paramBytes, + params->ParameterValues); + + st->pipe->set_constant_buffer(st->pipe, shader_type, 0, *cbuf); + } + else if (*cbuf) { + st->constants.tracked_state[shader_type].dirty.mesa = 0x0; + + pipe_resource_reference(cbuf, NULL); + st->pipe->set_constant_buffer(st->pipe, shader_type, 0, NULL); + } +} + + +/** + * Vertex shader: + */ +static void update_vs_constants(struct st_context *st ) +{ + struct st_vertex_program *vp = st->vp; + struct gl_program_parameter_list *params = vp->Base.Base.Parameters; + + st_upload_constants( st, params, PIPE_SHADER_VERTEX ); +} + + +const struct st_tracked_state st_update_vs_constants = { + "st_update_vs_constants", /* name */ + { /* dirty */ + (_NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS), /* mesa */ + ST_NEW_VERTEX_PROGRAM, /* st */ + }, + update_vs_constants /* update */ +}; + + + +/** + * Fragment shader: + */ +static void update_fs_constants(struct st_context *st ) +{ + struct st_fragment_program *fp = st->fp; + struct gl_program_parameter_list *params = fp->Base.Base.Parameters; + + st_upload_constants( st, params, PIPE_SHADER_FRAGMENT ); +} + + +const struct st_tracked_state st_update_fs_constants = { + "st_update_fs_constants", /* name */ + { /* dirty */ + (_NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS), /* mesa */ + ST_NEW_FRAGMENT_PROGRAM, /* st */ + }, + update_fs_constants /* update */ +}; + +/* Geometry shader: + */ +static void update_gs_constants(struct st_context *st ) +{ + struct st_geometry_program *gp = st->gp; + struct gl_program_parameter_list *params; + + if (gp) { + params = gp->Base.Base.Parameters; + st_upload_constants( st, params, PIPE_SHADER_GEOMETRY ); + } +} + +const struct st_tracked_state st_update_gs_constants = { + "st_update_gs_constants", /* name */ + { /* dirty */ + (_NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS), /* mesa */ + ST_NEW_GEOMETRY_PROGRAM, /* st */ + }, + update_gs_constants /* update */ +}; diff --git a/mesalib/src/mesa/state_tracker/st_atom_constbuf.h b/mesalib/src/mesa/state_tracker/st_atom_constbuf.h new file mode 100644 index 000000000..d53654ee6 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_constbuf.h @@ -0,0 +1,41 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_ATOM_CONSTBUF_H +#define ST_ATOM_CONSTBUF_H + +struct gl_program_parameter_list; +struct st_context; + + +void st_upload_constants( struct st_context *st, + struct gl_program_parameter_list *params, + unsigned id); + + +#endif /* ST_ATOM_CONSTBUF_H */ diff --git a/mesalib/src/mesa/state_tracker/st_atom_depth.c b/mesalib/src/mesa/state_tracker/st_atom_depth.c new file mode 100644 index 000000000..e8e8db41d --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_depth.c @@ -0,0 +1,160 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + * Brian Paul + * Zack Rusin + */ + + +#include + +#include "st_context.h" +#include "st_atom.h" +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "cso_cache/cso_context.h" + + +/** + * Convert an OpenGL compare mode to a pipe tokens. + */ +GLuint +st_compare_func_to_pipe(GLenum func) +{ + /* Same values, just biased */ + assert(PIPE_FUNC_NEVER == GL_NEVER - GL_NEVER); + assert(PIPE_FUNC_LESS == GL_LESS - GL_NEVER); + assert(PIPE_FUNC_EQUAL == GL_EQUAL - GL_NEVER); + assert(PIPE_FUNC_LEQUAL == GL_LEQUAL - GL_NEVER); + assert(PIPE_FUNC_GREATER == GL_GREATER - GL_NEVER); + assert(PIPE_FUNC_NOTEQUAL == GL_NOTEQUAL - GL_NEVER); + assert(PIPE_FUNC_GEQUAL == GL_GEQUAL - GL_NEVER); + assert(PIPE_FUNC_ALWAYS == GL_ALWAYS - GL_NEVER); + assert(func >= GL_NEVER); + assert(func <= GL_ALWAYS); + return func - GL_NEVER; +} + + +/** + * Convert GLenum stencil op tokens to pipe tokens. + */ +static GLuint +gl_stencil_op_to_pipe(GLenum func) +{ + switch (func) { + case GL_KEEP: + return PIPE_STENCIL_OP_KEEP; + case GL_ZERO: + return PIPE_STENCIL_OP_ZERO; + case GL_REPLACE: + return PIPE_STENCIL_OP_REPLACE; + case GL_INCR: + return PIPE_STENCIL_OP_INCR; + case GL_DECR: + return PIPE_STENCIL_OP_DECR; + case GL_INCR_WRAP: + return PIPE_STENCIL_OP_INCR_WRAP; + case GL_DECR_WRAP: + return PIPE_STENCIL_OP_DECR_WRAP; + case GL_INVERT: + return PIPE_STENCIL_OP_INVERT; + default: + assert("invalid GL token in gl_stencil_op_to_pipe()" == NULL); + return 0; + } +} + +static void +update_depth_stencil_alpha(struct st_context *st) +{ + struct pipe_depth_stencil_alpha_state *dsa = &st->state.depth_stencil; + struct pipe_stencil_ref sr; + struct gl_context *ctx = st->ctx; + + memset(dsa, 0, sizeof(*dsa)); + memset(&sr, 0, sizeof(sr)); + + if (ctx->Depth.Test && ctx->DrawBuffer->Visual.depthBits > 0) { + dsa->depth.enabled = 1; + dsa->depth.writemask = ctx->Depth.Mask; + dsa->depth.func = st_compare_func_to_pipe(ctx->Depth.Func); + } + + if (ctx->Stencil.Enabled && ctx->DrawBuffer->Visual.stencilBits > 0) { + dsa->stencil[0].enabled = 1; + dsa->stencil[0].func = st_compare_func_to_pipe(ctx->Stencil.Function[0]); + dsa->stencil[0].fail_op = gl_stencil_op_to_pipe(ctx->Stencil.FailFunc[0]); + dsa->stencil[0].zfail_op = gl_stencil_op_to_pipe(ctx->Stencil.ZFailFunc[0]); + dsa->stencil[0].zpass_op = gl_stencil_op_to_pipe(ctx->Stencil.ZPassFunc[0]); + dsa->stencil[0].valuemask = ctx->Stencil.ValueMask[0] & 0xff; + dsa->stencil[0].writemask = ctx->Stencil.WriteMask[0] & 0xff; + sr.ref_value[0] = ctx->Stencil.Ref[0] & 0xff; + + if (ctx->Stencil._TestTwoSide) { + const GLuint back = ctx->Stencil._BackFace; + dsa->stencil[1].enabled = 1; + dsa->stencil[1].func = st_compare_func_to_pipe(ctx->Stencil.Function[back]); + dsa->stencil[1].fail_op = gl_stencil_op_to_pipe(ctx->Stencil.FailFunc[back]); + dsa->stencil[1].zfail_op = gl_stencil_op_to_pipe(ctx->Stencil.ZFailFunc[back]); + dsa->stencil[1].zpass_op = gl_stencil_op_to_pipe(ctx->Stencil.ZPassFunc[back]); + dsa->stencil[1].valuemask = ctx->Stencil.ValueMask[back] & 0xff; + dsa->stencil[1].writemask = ctx->Stencil.WriteMask[back] & 0xff; + sr.ref_value[1] = ctx->Stencil.Ref[back] & 0xff; + } + else { + /* This should be unnecessary. Drivers must not expect this to + * contain valid data, except the enabled bit + */ + dsa->stencil[1] = dsa->stencil[0]; + dsa->stencil[1].enabled = 0; + sr.ref_value[1] = sr.ref_value[0]; + } + } + + if (ctx->Color.AlphaEnabled) { + dsa->alpha.enabled = 1; + dsa->alpha.func = st_compare_func_to_pipe(ctx->Color.AlphaFunc); + dsa->alpha.ref_value = ctx->Color.AlphaRef; + } + + cso_set_depth_stencil_alpha(st->cso_context, dsa); + cso_set_stencil_ref(st->cso_context, &sr); +} + + +const struct st_tracked_state st_update_depth_stencil_alpha = { + "st_update_depth_stencil", /* name */ + { /* dirty */ + (_NEW_DEPTH|_NEW_STENCIL|_NEW_COLOR), /* mesa */ + 0, /* st */ + }, + update_depth_stencil_alpha /* update */ +}; diff --git a/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c b/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c new file mode 100644 index 000000000..3ba690200 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c @@ -0,0 +1,180 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + * Brian Paul + */ + +#include "st_context.h" +#include "st_atom.h" +#include "st_cb_fbo.h" +#include "st_texture.h" +#include "pipe/p_context.h" +#include "cso_cache/cso_context.h" +#include "util/u_math.h" +#include "util/u_inlines.h" + + + +/** + * When doing GL render to texture, we have to be sure that finalize_texture() + * didn't yank out the pipe_resource that we earlier created a surface for. + * Check for that here and create a new surface if needed. + */ +static void +update_renderbuffer_surface(struct st_context *st, + struct st_renderbuffer *strb) +{ + struct pipe_context *pipe = st->pipe; + struct pipe_resource *resource = strb->rtt->pt; + int rtt_width = strb->Base.Width; + int rtt_height = strb->Base.Height; + + if (!strb->surface || + strb->surface->texture != resource || + strb->surface->width != rtt_width || + strb->surface->height != rtt_height) { + GLuint level; + /* find matching mipmap level size */ + for (level = 0; level <= resource->last_level; level++) { + if (u_minify(resource->width0, level) == rtt_width && + u_minify(resource->height0, level) == rtt_height) { + struct pipe_surface surf_tmpl; + memset(&surf_tmpl, 0, sizeof(surf_tmpl)); + surf_tmpl.format = resource->format; + surf_tmpl.usage = PIPE_BIND_RENDER_TARGET; + surf_tmpl.u.tex.level = level; + surf_tmpl.u.tex.first_layer = strb->rtt_face + strb->rtt_slice; + surf_tmpl.u.tex.last_layer = strb->rtt_face + strb->rtt_slice; + + pipe_surface_reference(&strb->surface, NULL); + + strb->surface = pipe->create_surface(pipe, + resource, + &surf_tmpl); +#if 0 + printf("-- alloc new surface %d x %d into tex %p\n", + strb->surface->width, strb->surface->height, + texture); +#endif + break; + } + } + } +} + + +/** + * Update framebuffer state (color, depth, stencil, etc. buffers) + */ +static void +update_framebuffer_state( struct st_context *st ) +{ + struct pipe_framebuffer_state *framebuffer = &st->state.framebuffer; + struct gl_framebuffer *fb = st->ctx->DrawBuffer; + struct st_renderbuffer *strb; + GLuint i; + + framebuffer->width = fb->Width; + framebuffer->height = fb->Height; + + /*printf("------ fb size %d x %d\n", fb->Width, fb->Height);*/ + + /* Examine Mesa's ctx->DrawBuffer->_ColorDrawBuffers state + * to determine which surfaces to draw to + */ + framebuffer->nr_cbufs = 0; + for (i = 0; i < fb->_NumColorDrawBuffers; i++) { + strb = st_renderbuffer(fb->_ColorDrawBuffers[i]); + + if (strb) { + /*printf("--------- framebuffer surface rtt %p\n", strb->rtt);*/ + if (strb->rtt) { + /* rendering to a GL texture, may have to update surface */ + update_renderbuffer_surface(st, strb); + } + + if (strb->surface) { + pipe_surface_reference(&framebuffer->cbufs[framebuffer->nr_cbufs], + strb->surface); + framebuffer->nr_cbufs++; + } + strb->defined = GL_TRUE; /* we'll be drawing something */ + } + } + for (i = framebuffer->nr_cbufs; i < PIPE_MAX_COLOR_BUFS; i++) { + pipe_surface_reference(&framebuffer->cbufs[i], NULL); + } + + /* + * Depth/Stencil renderbuffer/surface. + */ + strb = st_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer); + if (strb) { + strb = st_renderbuffer(strb->Base.Wrapped); + if (strb->rtt) { + /* rendering to a GL texture, may have to update surface */ + update_renderbuffer_surface(st, strb); + } + pipe_surface_reference(&framebuffer->zsbuf, strb->surface); + } + else { + strb = st_renderbuffer(fb->Attachment[BUFFER_STENCIL].Renderbuffer); + if (strb) { + strb = st_renderbuffer(strb->Base.Wrapped); + assert(strb->surface); + pipe_surface_reference(&framebuffer->zsbuf, strb->surface); + } + else + pipe_surface_reference(&framebuffer->zsbuf, NULL); + } + +#ifdef DEBUG + /* Make sure the resource binding flags were set properly */ + for (i = 0; i < framebuffer->nr_cbufs; i++) { + assert(framebuffer->cbufs[i]->texture->bind & PIPE_BIND_RENDER_TARGET); + } + if (framebuffer->zsbuf) { + assert(framebuffer->zsbuf->texture->bind & PIPE_BIND_DEPTH_STENCIL); + } +#endif + + cso_set_framebuffer(st->cso_context, framebuffer); +} + + +const struct st_tracked_state st_update_framebuffer = { + "st_update_framebuffer", /* name */ + { /* dirty */ + _NEW_BUFFERS, /* mesa */ + ST_NEW_FRAMEBUFFER, /* st */ + }, + update_framebuffer_state /* update */ +}; + diff --git a/mesalib/src/mesa/state_tracker/st_atom_msaa.c b/mesalib/src/mesa/state_tracker/st_atom_msaa.c new file mode 100644 index 000000000..73f0ff160 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_msaa.c @@ -0,0 +1,83 @@ +/************************************************************************** + * + * Copyright 2010 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include "st_context.h" +#include "pipe/p_context.h" +#include "st_atom.h" + +#include "cso_cache/cso_context.h" + + +/* Second state atom for user clip planes: + */ +static void update_sample_mask( struct st_context *st ) +{ + unsigned sample_mask = 0xffffffff; + unsigned sample_count = 1; + struct pipe_framebuffer_state *framebuffer = &st->state.framebuffer; + + /* dependency here on bound surface (or rather, sample count) is worrying */ + if (framebuffer->zsbuf) + sample_count = framebuffer->zsbuf->texture->nr_samples; + else if (framebuffer->cbufs[0]) + sample_count = framebuffer->cbufs[0]->texture->nr_samples; + + if (st->ctx->Multisample.Enabled && sample_count > 1) { + /* unlike in gallium/d3d10 the mask is only active if msaa is enabled */ + if (st->ctx->Multisample.SampleCoverage) { + unsigned nr_bits; + nr_bits = st->ctx->Multisample.SampleCoverageValue * (float)sample_count; + /* there's lot of ways how to do this. We just use first few bits, + since we have no knowledge of sample positions here. When + app-supplied mask though is used too might need to be smarter. + Also, there's a interface restriction here in theory it is + encouraged this mask not be the same at each pixel. */ + sample_mask = (1 << nr_bits) - 1; + if (st->ctx->Multisample.SampleCoverageInvert) + sample_mask = ~sample_mask; + } + /* TODO merge with app-supplied sample mask */ + } + + /* mask off unused bits or don't care? */ + + if (sample_mask != st->state.sample_mask) { + st->state.sample_mask = sample_mask; + cso_set_sample_mask(st->cso_context, sample_mask); + } +} + + +const struct st_tracked_state st_update_msaa = { + "st_update_msaa", /* name */ + { /* dirty */ + (_NEW_MULTISAMPLE | _NEW_BUFFERS), /* mesa */ + ST_NEW_FRAMEBUFFER, /* st */ + }, + update_sample_mask /* update */ +}; diff --git a/mesalib/src/mesa/state_tracker/st_atom_pixeltransfer.c b/mesalib/src/mesa/state_tracker/st_atom_pixeltransfer.c new file mode 100644 index 000000000..a9e05c9c4 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_pixeltransfer.c @@ -0,0 +1,354 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/* + * Generate fragment programs to implement pixel transfer ops, such as + * scale/bias, colortable, convolution... + * + * Authors: + * Brian Paul + */ + +#include "main/imports.h" +#include "main/image.h" +#include "main/macros.h" +#include "program/program.h" +#include "program/prog_cache.h" +#include "program/prog_instruction.h" +#include "program/prog_parameter.h" +#include "program/prog_print.h" + +#include "st_context.h" +#include "st_format.h" +#include "st_texture.h" + +#include "pipe/p_screen.h" +#include "pipe/p_context.h" +#include "util/u_inlines.h" +#include "util/u_pack_color.h" + + +struct state_key +{ + GLuint scaleAndBias:1; + GLuint pixelMaps:1; + +#if 0 + GLfloat Maps[3][256][4]; + int NumMaps; + GLint NumStages; + pipeline_stage Stages[STAGE_MAX]; + GLboolean StagesUsed[STAGE_MAX]; + GLfloat Scale1[4], Bias1[4]; + GLfloat Scale2[4], Bias2[4]; +#endif +}; + +static void +make_state_key(struct gl_context *ctx, struct state_key *key) +{ + memset(key, 0, sizeof(*key)); + + if (ctx->Pixel.RedBias != 0.0 || ctx->Pixel.RedScale != 1.0 || + ctx->Pixel.GreenBias != 0.0 || ctx->Pixel.GreenScale != 1.0 || + ctx->Pixel.BlueBias != 0.0 || ctx->Pixel.BlueScale != 1.0 || + ctx->Pixel.AlphaBias != 0.0 || ctx->Pixel.AlphaScale != 1.0) { + key->scaleAndBias = 1; + } + + key->pixelMaps = ctx->Pixel.MapColorFlag; +} + + +static struct pipe_resource * +create_color_map_texture(struct gl_context *ctx) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct pipe_resource *pt; + enum pipe_format format; + const uint texSize = 256; /* simple, and usually perfect */ + + /* find an RGBA texture format */ + format = st_choose_format(pipe->screen, GL_RGBA, + PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW); + + /* create texture for color map/table */ + pt = st_texture_create(st, PIPE_TEXTURE_2D, format, 0, + texSize, texSize, 1, PIPE_BIND_SAMPLER_VIEW); + return pt; +} + + +/** + * Update the pixelmap texture with the contents of the R/G/B/A pixel maps. + */ +static void +load_color_map_texture(struct gl_context *ctx, struct pipe_resource *pt) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct pipe_transfer *transfer; + const GLuint rSize = ctx->PixelMaps.RtoR.Size; + const GLuint gSize = ctx->PixelMaps.GtoG.Size; + const GLuint bSize = ctx->PixelMaps.BtoB.Size; + const GLuint aSize = ctx->PixelMaps.AtoA.Size; + const uint texSize = pt->width0; + uint *dest; + uint i, j; + + transfer = pipe_get_transfer(st_context(ctx)->pipe, + pt, 0, 0, PIPE_TRANSFER_WRITE, + 0, 0, texSize, texSize); + dest = (uint *) pipe_transfer_map(pipe, transfer); + + /* Pack four 1D maps into a 2D texture: + * R map is placed horizontally, indexed by S, in channel 0 + * G map is placed vertically, indexed by T, in channel 1 + * B map is placed horizontally, indexed by S, in channel 2 + * A map is placed vertically, indexed by T, in channel 3 + */ + for (i = 0; i < texSize; i++) { + for (j = 0; j < texSize; j++) { + union util_color uc; + int k = (i * texSize + j); + ubyte r = ctx->PixelMaps.RtoR.Map8[j * rSize / texSize]; + ubyte g = ctx->PixelMaps.GtoG.Map8[i * gSize / texSize]; + ubyte b = ctx->PixelMaps.BtoB.Map8[j * bSize / texSize]; + ubyte a = ctx->PixelMaps.AtoA.Map8[i * aSize / texSize]; + util_pack_color_ub(r, g, b, a, pt->format, &uc); + *(dest + k) = uc.ui; + } + } + + pipe_transfer_unmap(pipe, transfer); + pipe->transfer_destroy(pipe, transfer); +} + + + +#define MAX_INST 100 + +/** + * Returns a fragment program which implements the current pixel transfer ops. + */ +static struct gl_fragment_program * +get_pixel_transfer_program(struct gl_context *ctx, const struct state_key *key) +{ + struct st_context *st = st_context(ctx); + struct prog_instruction inst[MAX_INST]; + struct gl_program_parameter_list *params; + struct gl_fragment_program *fp; + GLuint ic = 0; + const GLuint colorTemp = 0; + + fp = (struct gl_fragment_program *) + ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0); + if (!fp) + return NULL; + + params = _mesa_new_parameter_list(); + + /* + * Get initial pixel color from the texture. + * TEX colorTemp, fragment.texcoord[0], texture[0], 2D; + */ + _mesa_init_instructions(inst + ic, 1); + inst[ic].Opcode = OPCODE_TEX; + inst[ic].DstReg.File = PROGRAM_TEMPORARY; + inst[ic].DstReg.Index = colorTemp; + inst[ic].SrcReg[0].File = PROGRAM_INPUT; + inst[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0; + inst[ic].TexSrcUnit = 0; + inst[ic].TexSrcTarget = TEXTURE_2D_INDEX; + ic++; + fp->Base.InputsRead = (1 << FRAG_ATTRIB_TEX0); + fp->Base.OutputsWritten = (1 << FRAG_RESULT_COLOR); + fp->Base.SamplersUsed = 0x1; /* sampler 0 (bit 0) is used */ + + if (key->scaleAndBias) { + static const gl_state_index scale_state[STATE_LENGTH] = + { STATE_INTERNAL, STATE_PT_SCALE, 0, 0, 0 }; + static const gl_state_index bias_state[STATE_LENGTH] = + { STATE_INTERNAL, STATE_PT_BIAS, 0, 0, 0 }; + GLfloat scale[4], bias[4]; + GLint scale_p, bias_p; + + scale[0] = ctx->Pixel.RedScale; + scale[1] = ctx->Pixel.GreenScale; + scale[2] = ctx->Pixel.BlueScale; + scale[3] = ctx->Pixel.AlphaScale; + bias[0] = ctx->Pixel.RedBias; + bias[1] = ctx->Pixel.GreenBias; + bias[2] = ctx->Pixel.BlueBias; + bias[3] = ctx->Pixel.AlphaBias; + + scale_p = _mesa_add_state_reference(params, scale_state); + bias_p = _mesa_add_state_reference(params, bias_state); + + /* MAD colorTemp, colorTemp, scale, bias; */ + _mesa_init_instructions(inst + ic, 1); + inst[ic].Opcode = OPCODE_MAD; + inst[ic].DstReg.File = PROGRAM_TEMPORARY; + inst[ic].DstReg.Index = colorTemp; + inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY; + inst[ic].SrcReg[0].Index = colorTemp; + inst[ic].SrcReg[1].File = PROGRAM_STATE_VAR; + inst[ic].SrcReg[1].Index = scale_p; + inst[ic].SrcReg[2].File = PROGRAM_STATE_VAR; + inst[ic].SrcReg[2].Index = bias_p; + ic++; + } + + if (key->pixelMaps) { + const GLuint temp = 1; + + /* create the colormap/texture now if not already done */ + if (!st->pixel_xfer.pixelmap_texture) { + st->pixel_xfer.pixelmap_texture = create_color_map_texture(ctx); + st->pixel_xfer.pixelmap_sampler_view = + st_create_texture_sampler_view(st->pipe, + st->pixel_xfer.pixelmap_texture); + } + + /* with a little effort, we can do four pixel map look-ups with + * two TEX instructions: + */ + + /* TEX temp.rg, colorTemp.rgba, texture[1], 2D; */ + _mesa_init_instructions(inst + ic, 1); + inst[ic].Opcode = OPCODE_TEX; + inst[ic].DstReg.File = PROGRAM_TEMPORARY; + inst[ic].DstReg.Index = temp; + inst[ic].DstReg.WriteMask = WRITEMASK_XY; /* write R,G */ + inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY; + inst[ic].SrcReg[0].Index = colorTemp; + inst[ic].TexSrcUnit = 1; + inst[ic].TexSrcTarget = TEXTURE_2D_INDEX; + ic++; + + /* TEX temp.ba, colorTemp.baba, texture[1], 2D; */ + _mesa_init_instructions(inst + ic, 1); + inst[ic].Opcode = OPCODE_TEX; + inst[ic].DstReg.File = PROGRAM_TEMPORARY; + inst[ic].DstReg.Index = temp; + inst[ic].DstReg.WriteMask = WRITEMASK_ZW; /* write B,A */ + inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY; + inst[ic].SrcReg[0].Index = colorTemp; + inst[ic].SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_W, + SWIZZLE_Z, SWIZZLE_W); + inst[ic].TexSrcUnit = 1; + inst[ic].TexSrcTarget = TEXTURE_2D_INDEX; + ic++; + + /* MOV colorTemp, temp; */ + _mesa_init_instructions(inst + ic, 1); + inst[ic].Opcode = OPCODE_MOV; + inst[ic].DstReg.File = PROGRAM_TEMPORARY; + inst[ic].DstReg.Index = colorTemp; + inst[ic].SrcReg[0].File = PROGRAM_TEMPORARY; + inst[ic].SrcReg[0].Index = temp; + ic++; + + fp->Base.SamplersUsed |= (1 << 1); /* sampler 1 is used */ + } + + /* Modify last instruction's dst reg to write to result.color */ + { + struct prog_instruction *last = &inst[ic - 1]; + last->DstReg.File = PROGRAM_OUTPUT; + last->DstReg.Index = FRAG_RESULT_COLOR; + } + + /* END; */ + _mesa_init_instructions(inst + ic, 1); + inst[ic].Opcode = OPCODE_END; + ic++; + + assert(ic <= MAX_INST); + + + fp->Base.Instructions = _mesa_alloc_instructions(ic); + if (!fp->Base.Instructions) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, + "generating pixel transfer program"); + return NULL; + } + + _mesa_copy_instructions(fp->Base.Instructions, inst, ic); + fp->Base.NumInstructions = ic; + fp->Base.Parameters = params; + +#if 0 + printf("========= pixel transfer prog\n"); + _mesa_print_program(&fp->Base); + _mesa_print_parameter_list(fp->Base.Parameters); +#endif + + return fp; +} + + + +/** + * Update st->pixel_xfer.program in response to new pixel-transfer state. + */ +static void +update_pixel_transfer(struct st_context *st) +{ + struct gl_context *ctx = st->ctx; + struct state_key key; + struct gl_fragment_program *fp; + + make_state_key(st->ctx, &key); + + fp = (struct gl_fragment_program *) + _mesa_search_program_cache(st->pixel_xfer.cache, &key, sizeof(key)); + if (!fp) { + fp = get_pixel_transfer_program(st->ctx, &key); + _mesa_program_cache_insert(st->ctx, st->pixel_xfer.cache, + &key, sizeof(key), &fp->Base); + } + + if (ctx->Pixel.MapColorFlag) { + load_color_map_texture(ctx, st->pixel_xfer.pixelmap_texture); + } + st->pixel_xfer.pixelmap_enabled = ctx->Pixel.MapColorFlag; + + st->pixel_xfer.program = (struct st_fragment_program *) fp; +} + + + +const struct st_tracked_state st_update_pixel_transfer = { + "st_update_pixel_transfer", /* name */ + { /* dirty */ + _NEW_PIXEL, /* mesa */ + 0, /* st */ + }, + update_pixel_transfer /* update */ +}; diff --git a/mesalib/src/mesa/state_tracker/st_atom_rasterizer.c b/mesalib/src/mesa/state_tracker/st_atom_rasterizer.c new file mode 100644 index 000000000..4936385d2 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_rasterizer.c @@ -0,0 +1,272 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + */ + +#include "main/macros.h" +#include "st_context.h" +#include "st_atom.h" +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "cso_cache/cso_context.h" + + +static GLuint translate_fill( GLenum mode ) +{ + switch (mode) { + case GL_POINT: + return PIPE_POLYGON_MODE_POINT; + case GL_LINE: + return PIPE_POLYGON_MODE_LINE; + case GL_FILL: + return PIPE_POLYGON_MODE_FILL; + default: + assert(0); + return 0; + } +} + + + +static void update_raster_state( struct st_context *st ) +{ + struct gl_context *ctx = st->ctx; + struct pipe_rasterizer_state *raster = &st->state.rasterizer; + const struct gl_vertex_program *vertProg = ctx->VertexProgram._Current; + const struct gl_fragment_program *fragProg = ctx->FragmentProgram._Current; + uint i; + + memset(raster, 0, sizeof(*raster)); + + /* _NEW_POLYGON, _NEW_BUFFERS + */ + { + raster->front_ccw = (ctx->Polygon.FrontFace == GL_CCW); + + /* XXX + * I think the intention here is that user-created framebuffer objects + * use Y=0=TOP layout instead of OpenGL's normal Y=0=bottom layout. + * Flipping Y changes CW to CCW and vice-versa. + * But this is an implementation/driver-specific artifact - remove... + */ + if (ctx->DrawBuffer && ctx->DrawBuffer->Name != 0) + raster->front_ccw ^= 1; + } + + /* _NEW_LIGHT + */ + if (ctx->Light.ShadeModel == GL_FLAT) + raster->flatshade = 1; + + if (ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION_EXT) + raster->flatshade_first = 1; + + /* _NEW_LIGHT | _NEW_PROGRAM + * + * Back-face colors can come from traditional lighting (when + * GL_LIGHT_MODEL_TWO_SIDE is set) or from vertex programs/shaders (when + * GL_VERTEX_PROGRAM_TWO_SIDE is set). Note the logic here. + */ + if (ctx->VertexProgram._Current) { + if (ctx->VertexProgram._Enabled || + (ctx->Shader.CurrentVertexProgram && + ctx->Shader.CurrentVertexProgram->LinkStatus)) { + /* user-defined vertex program or shader */ + raster->light_twoside = ctx->VertexProgram.TwoSideEnabled; + } + else { + /* TNL-generated program */ + raster->light_twoside = ctx->Light.Enabled && ctx->Light.Model.TwoSide; + } + } + else if (ctx->Light.Enabled && ctx->Light.Model.TwoSide) { + raster->light_twoside = 1; + } + + /* _NEW_POLYGON + */ + if (ctx->Polygon.CullFlag) { + switch (ctx->Polygon.CullFaceMode) { + case GL_FRONT: + raster->cull_face = PIPE_FACE_FRONT; + break; + case GL_BACK: + raster->cull_face = PIPE_FACE_BACK; + break; + case GL_FRONT_AND_BACK: + raster->cull_face = PIPE_FACE_FRONT_AND_BACK; + break; + } + } + else { + raster->cull_face = PIPE_FACE_NONE; + } + + /* _NEW_POLYGON + */ + { + raster->fill_front = translate_fill( ctx->Polygon.FrontMode ); + raster->fill_back = translate_fill( ctx->Polygon.BackMode ); + + /* Simplify when culling is active: + */ + if (raster->cull_face & PIPE_FACE_FRONT) { + raster->fill_front = raster->fill_back; + } + + if (raster->cull_face & PIPE_FACE_BACK) { + raster->fill_back = raster->fill_front; + } + } + + /* _NEW_POLYGON + */ + if (ctx->Polygon.OffsetUnits != 0.0 || + ctx->Polygon.OffsetFactor != 0.0) { + raster->offset_point = ctx->Polygon.OffsetPoint; + raster->offset_line = ctx->Polygon.OffsetLine; + raster->offset_tri = ctx->Polygon.OffsetFill; + } + + if (ctx->Polygon.OffsetPoint || + ctx->Polygon.OffsetLine || + ctx->Polygon.OffsetFill) { + raster->offset_units = ctx->Polygon.OffsetUnits; + raster->offset_scale = ctx->Polygon.OffsetFactor; + } + + if (ctx->Polygon.SmoothFlag) + raster->poly_smooth = 1; + + if (ctx->Polygon.StippleFlag) + raster->poly_stipple_enable = 1; + + /* _NEW_POINT + */ + raster->point_size = ctx->Point.Size; + + if (!ctx->Point.PointSprite && ctx->Point.SmoothFlag) + raster->point_smooth = 1; + + /* _NEW_POINT | _NEW_PROGRAM + */ + if (ctx->Point.PointSprite) { + /* origin */ + if ((ctx->Point.SpriteOrigin == GL_UPPER_LEFT) ^ + (st_fb_orientation(ctx->DrawBuffer) == Y_0_BOTTOM)) + raster->sprite_coord_mode = PIPE_SPRITE_COORD_UPPER_LEFT; + else + raster->sprite_coord_mode = PIPE_SPRITE_COORD_LOWER_LEFT; + + /* Coord replacement flags. If bit 'k' is set that means + * that we need to replace GENERIC[k] attrib with an automatically + * computed texture coord. + */ + for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) { + if (ctx->Point.CoordReplace[i]) { + raster->sprite_coord_enable |= 1 << i; + } + } + if (fragProg->Base.InputsRead & FRAG_BIT_PNTC) { + raster->sprite_coord_enable |= + 1 << (FRAG_ATTRIB_PNTC - FRAG_ATTRIB_TEX0); + } + + raster->point_quad_rasterization = 1; + } + + /* ST_NEW_VERTEX_PROGRAM + */ + if (vertProg) { + if (vertProg->Base.Id == 0) { + if (vertProg->Base.OutputsWritten & BITFIELD64_BIT(VERT_RESULT_PSIZ)) { + /* generated program which emits point size */ + raster->point_size_per_vertex = TRUE; + } + } + else if (ctx->VertexProgram.PointSizeEnabled) { + /* user-defined program and GL_VERTEX_PROGRAM_POINT_SIZE set */ + raster->point_size_per_vertex = ctx->VertexProgram.PointSizeEnabled; + } + } + if (!raster->point_size_per_vertex) { + /* clamp size now */ + raster->point_size = CLAMP(ctx->Point.Size, + ctx->Point.MinSize, + ctx->Point.MaxSize); + } + + /* _NEW_LINE + */ + raster->line_smooth = ctx->Line.SmoothFlag; + if (ctx->Line.SmoothFlag) { + raster->line_width = CLAMP(ctx->Line.Width, + ctx->Const.MinLineWidthAA, + ctx->Const.MaxLineWidthAA); + } + else { + raster->line_width = CLAMP(ctx->Line.Width, + ctx->Const.MinLineWidth, + ctx->Const.MaxLineWidth); + } + + raster->line_stipple_enable = ctx->Line.StippleFlag; + raster->line_stipple_pattern = ctx->Line.StipplePattern; + /* GL stipple factor is in [1,256], remap to [0, 255] here */ + raster->line_stipple_factor = ctx->Line.StippleFactor - 1; + + /* _NEW_MULTISAMPLE */ + if (ctx->Multisample._Enabled || st->force_msaa) + raster->multisample = 1; + + /* _NEW_SCISSOR */ + if (ctx->Scissor.Enabled) + raster->scissor = 1; + + raster->gl_rasterization_rules = 1; + + cso_set_rasterizer(st->cso_context, raster); +} + +const struct st_tracked_state st_update_rasterizer = { + "st_update_rasterizer", /* name */ + { + (_NEW_BUFFERS | + _NEW_LIGHT | + _NEW_LINE | + _NEW_MULTISAMPLE | + _NEW_POINT | + _NEW_POLYGON | + _NEW_PROGRAM | + _NEW_SCISSOR), /* mesa state dependencies*/ + ST_NEW_VERTEX_PROGRAM, /* state tracker dependencies */ + }, + update_raster_state /* update function */ +}; diff --git a/mesalib/src/mesa/state_tracker/st_atom_sampler.c b/mesalib/src/mesa/state_tracker/st_atom_sampler.c new file mode 100644 index 000000000..c9dfe248f --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_sampler.c @@ -0,0 +1,270 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + * Brian Paul + */ + + +#include "main/macros.h" + +#include "st_context.h" +#include "st_cb_texture.h" +#include "st_atom.h" +#include "pipe/p_context.h" +#include "pipe/p_defines.h" + +#include "cso_cache/cso_context.h" + + +/** + * Convert GLenum texcoord wrap tokens to pipe tokens. + */ +static GLuint +gl_wrap_xlate(GLenum wrap) +{ + switch (wrap) { + case GL_REPEAT: + return PIPE_TEX_WRAP_REPEAT; + case GL_CLAMP: + return PIPE_TEX_WRAP_CLAMP; + case GL_CLAMP_TO_EDGE: + return PIPE_TEX_WRAP_CLAMP_TO_EDGE; + case GL_CLAMP_TO_BORDER: + return PIPE_TEX_WRAP_CLAMP_TO_BORDER; + case GL_MIRRORED_REPEAT: + return PIPE_TEX_WRAP_MIRROR_REPEAT; + case GL_MIRROR_CLAMP_EXT: + return PIPE_TEX_WRAP_MIRROR_CLAMP; + case GL_MIRROR_CLAMP_TO_EDGE_EXT: + return PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE; + case GL_MIRROR_CLAMP_TO_BORDER_EXT: + return PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER; + default: + assert(0); + return 0; + } +} + + +static GLuint +gl_filter_to_mip_filter(GLenum filter) +{ + switch (filter) { + case GL_NEAREST: + case GL_LINEAR: + return PIPE_TEX_MIPFILTER_NONE; + + case GL_NEAREST_MIPMAP_NEAREST: + case GL_LINEAR_MIPMAP_NEAREST: + return PIPE_TEX_MIPFILTER_NEAREST; + + case GL_NEAREST_MIPMAP_LINEAR: + case GL_LINEAR_MIPMAP_LINEAR: + return PIPE_TEX_MIPFILTER_LINEAR; + + default: + assert(0); + return PIPE_TEX_MIPFILTER_NONE; + } +} + + +static GLuint +gl_filter_to_img_filter(GLenum filter) +{ + switch (filter) { + case GL_NEAREST: + case GL_NEAREST_MIPMAP_NEAREST: + case GL_NEAREST_MIPMAP_LINEAR: + return PIPE_TEX_FILTER_NEAREST; + + case GL_LINEAR: + case GL_LINEAR_MIPMAP_NEAREST: + case GL_LINEAR_MIPMAP_LINEAR: + return PIPE_TEX_FILTER_LINEAR; + + default: + assert(0); + return PIPE_TEX_FILTER_NEAREST; + } +} + + +static void +xlate_border_color(const GLfloat *colorIn, GLenum baseFormat, GLfloat *colorOut) +{ + switch (baseFormat) { + case GL_RED: + colorOut[0] = colorIn[0]; + colorOut[1] = 0.0F; + colorOut[2] = 0.0F; + colorOut[3] = 1.0F; + break; + case GL_RG: + colorOut[0] = colorIn[0]; + colorOut[1] = colorIn[1]; + colorOut[2] = 0.0F; + colorOut[3] = 1.0F; + break; + case GL_RGB: + colorOut[0] = colorIn[0]; + colorOut[1] = colorIn[1]; + colorOut[2] = colorIn[2]; + colorOut[3] = 1.0F; + break; + case GL_ALPHA: + colorOut[0] = colorOut[1] = colorOut[2] = 0.0; + colorOut[3] = colorIn[3]; + break; + case GL_LUMINANCE: + colorOut[0] = colorOut[1] = colorOut[2] = colorIn[0]; + colorOut[3] = 1.0; + break; + case GL_LUMINANCE_ALPHA: + colorOut[0] = colorOut[1] = colorOut[2] = colorIn[0]; + colorOut[3] = colorIn[3]; + break; + case GL_INTENSITY: + colorOut[0] = colorOut[1] = colorOut[2] = colorOut[3] = colorIn[0]; + break; + default: + COPY_4V(colorOut, colorIn); + } +} + + +static void +update_samplers(struct st_context *st) +{ + struct gl_vertex_program *vprog = st->ctx->VertexProgram._Current; + struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current; + const GLbitfield samplersUsed = (vprog->Base.SamplersUsed | + fprog->Base.SamplersUsed); + GLuint su; + + st->state.num_samplers = 0; + + /* loop over sampler units (aka tex image units) */ + for (su = 0; su < st->ctx->Const.MaxTextureImageUnits; su++) { + struct pipe_sampler_state *sampler = st->state.samplers + su; + + memset(sampler, 0, sizeof(*sampler)); + + if (samplersUsed & (1 << su)) { + struct gl_texture_object *texobj; + struct gl_texture_image *teximg; + GLuint texUnit; + + if (fprog->Base.SamplersUsed & (1 << su)) + texUnit = fprog->Base.SamplerUnits[su]; + else + texUnit = vprog->Base.SamplerUnits[su]; + + texobj = st->ctx->Texture.Unit[texUnit]._Current; + if (!texobj) { + texobj = st_get_default_texture(st); + } + + teximg = texobj->Image[0][texobj->BaseLevel]; + + sampler->wrap_s = gl_wrap_xlate(texobj->WrapS); + sampler->wrap_t = gl_wrap_xlate(texobj->WrapT); + sampler->wrap_r = gl_wrap_xlate(texobj->WrapR); + + sampler->min_img_filter = gl_filter_to_img_filter(texobj->MinFilter); + sampler->min_mip_filter = gl_filter_to_mip_filter(texobj->MinFilter); + sampler->mag_img_filter = gl_filter_to_img_filter(texobj->MagFilter); + + if (texobj->Target != GL_TEXTURE_RECTANGLE_ARB) + sampler->normalized_coords = 1; + + sampler->lod_bias = st->ctx->Texture.Unit[su].LodBias; + + sampler->min_lod = texobj->BaseLevel + texobj->MinLod; + if (sampler->min_lod < texobj->BaseLevel) + sampler->min_lod = texobj->BaseLevel; + + sampler->max_lod = MIN2((GLfloat) texobj->MaxLevel, + (texobj->MaxLod + texobj->BaseLevel)); + if (sampler->max_lod < sampler->min_lod) { + /* The GL spec doesn't seem to specify what to do in this case. + * Swap the values. + */ + float tmp = sampler->max_lod; + sampler->max_lod = sampler->min_lod; + sampler->min_lod = tmp; + assert(sampler->min_lod <= sampler->max_lod); + } + + xlate_border_color(texobj->BorderColor.f, + teximg ? teximg->_BaseFormat : GL_RGBA, + sampler->border_color); + + sampler->max_anisotropy = (texobj->MaxAnisotropy == 1.0 ? 0 : (GLuint)texobj->MaxAnisotropy); + + /* only care about ARB_shadow, not SGI shadow */ + if (texobj->CompareMode == GL_COMPARE_R_TO_TEXTURE) { + sampler->compare_mode = PIPE_TEX_COMPARE_R_TO_TEXTURE; + sampler->compare_func + = st_compare_func_to_pipe(texobj->CompareFunc); + } + + st->state.num_samplers = su + 1; + + /*printf("%s su=%u non-null\n", __FUNCTION__, su);*/ + cso_single_sampler(st->cso_context, su, sampler); + if (su < st->ctx->Const.MaxVertexTextureImageUnits) { + cso_single_vertex_sampler(st->cso_context, su, sampler); + } + } + else { + /*printf("%s su=%u null\n", __FUNCTION__, su);*/ + cso_single_sampler(st->cso_context, su, NULL); + if (su < st->ctx->Const.MaxVertexTextureImageUnits) { + cso_single_vertex_sampler(st->cso_context, su, NULL); + } + } + } + + cso_single_sampler_done(st->cso_context); + if (st->ctx->Const.MaxVertexTextureImageUnits > 0) { + cso_single_vertex_sampler_done(st->cso_context); + } +} + + +const struct st_tracked_state st_update_sampler = { + "st_update_sampler", /* name */ + { /* dirty */ + _NEW_TEXTURE, /* mesa */ + 0, /* st */ + }, + update_samplers /* update */ +}; diff --git a/mesalib/src/mesa/state_tracker/st_atom_scissor.c b/mesalib/src/mesa/state_tracker/st_atom_scissor.c new file mode 100644 index 000000000..495a3ea25 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_scissor.c @@ -0,0 +1,100 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + */ + + +#include "main/macros.h" +#include "st_context.h" +#include "pipe/p_context.h" +#include "st_atom.h" + + +/** + * Scissor depends on the scissor box, and the framebuffer dimensions. + */ +static void +update_scissor( struct st_context *st ) +{ + struct pipe_scissor_state scissor; + const struct gl_framebuffer *fb = st->ctx->DrawBuffer; + GLint miny, maxy; + + scissor.minx = 0; + scissor.miny = 0; + scissor.maxx = fb->Width; + scissor.maxy = fb->Height; + + if (st->ctx->Scissor.Enabled) { + /* need to be careful here with xmax or ymax < 0 */ + GLint xmax = MAX2(0, st->ctx->Scissor.X + st->ctx->Scissor.Width); + GLint ymax = MAX2(0, st->ctx->Scissor.Y + st->ctx->Scissor.Height); + + if (st->ctx->Scissor.X > (GLint)scissor.minx) + scissor.minx = st->ctx->Scissor.X; + if (st->ctx->Scissor.Y > (GLint)scissor.miny) + scissor.miny = st->ctx->Scissor.Y; + + if (xmax < (GLint) scissor.maxx) + scissor.maxx = xmax; + if (ymax < (GLint) scissor.maxy) + scissor.maxy = ymax; + + /* check for null space */ + if (scissor.minx >= scissor.maxx || scissor.miny >= scissor.maxy) + scissor.minx = scissor.miny = scissor.maxx = scissor.maxy = 0; + } + + /* Now invert Y if needed. + * Gallium drivers use the convention Y=0=top for surfaces. + */ + if (st_fb_orientation(fb) == Y_0_TOP) { + miny = fb->Height - scissor.maxy; + maxy = fb->Height - scissor.miny; + scissor.miny = miny; + scissor.maxy = maxy; + } + + if (memcmp(&scissor, &st->state.scissor, sizeof(scissor)) != 0) { + /* state has changed */ + st->state.scissor = scissor; /* struct copy */ + st->pipe->set_scissor_state(st->pipe, &scissor); /* activate */ + } +} + + +const struct st_tracked_state st_update_scissor = { + "st_update_scissor", /* name */ + { /* dirty */ + (_NEW_SCISSOR | _NEW_BUFFERS), /* mesa */ + 0, /* st */ + }, + update_scissor /* update */ +}; diff --git a/mesalib/src/mesa/state_tracker/st_atom_shader.c b/mesalib/src/mesa/state_tracker/st_atom_shader.c new file mode 100644 index 000000000..383bb2a1b --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_shader.c @@ -0,0 +1,198 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * State validation for vertex/fragment shaders. + * Note that we have to delay most vertex/fragment shader translation + * until rendering time since the linkage between the vertex outputs and + * fragment inputs can vary depending on the pairing of shaders. + * + * Authors: + * Brian Paul + */ + +#include "main/imports.h" +#include "main/mtypes.h" +#include "program/program.h" + +#include "pipe/p_context.h" + +#include "util/u_simple_shaders.h" + +#include "cso_cache/cso_context.h" + +#include "st_context.h" +#include "st_atom.h" +#include "st_program.h" + + +/** + * Return pointer to a pass-through fragment shader. + * This shader is used when a texture is missing/incomplete. + */ +static void * +get_passthrough_fs(struct st_context *st) +{ + if (!st->passthrough_fs) { + st->passthrough_fs = + util_make_fragment_passthrough_shader(st->pipe); + } + + return st->passthrough_fs; +} + + +/** + * Update fragment program state/atom. This involves translating the + * Mesa fragment program into a gallium fragment program and binding it. + */ +static void +update_fp( struct st_context *st ) +{ + struct st_fragment_program *stfp; + struct st_fp_variant_key key; + + assert(st->ctx->FragmentProgram._Current); + stfp = st_fragment_program(st->ctx->FragmentProgram._Current); + assert(stfp->Base.Base.Target == GL_FRAGMENT_PROGRAM_ARB); + + memset(&key, 0, sizeof(key)); + key.st = st; + + st->fp_variant = st_get_fp_variant(st, stfp, &key); + + st_reference_fragprog(st, &st->fp, stfp); + + if (st->missing_textures) { + /* use a pass-through frag shader that uses no textures */ + void *fs = get_passthrough_fs(st); + cso_set_fragment_shader_handle(st->cso_context, fs); + } + else { + cso_set_fragment_shader_handle(st->cso_context, + st->fp_variant->driver_shader); + } +} + + +const struct st_tracked_state st_update_fp = { + "st_update_fp", /* name */ + { /* dirty */ + 0, /* mesa */ + ST_NEW_FRAGMENT_PROGRAM /* st */ + }, + update_fp /* update */ +}; + + + +/** + * Update vertex program state/atom. This involves translating the + * Mesa vertex program into a gallium fragment program and binding it. + */ +static void +update_vp( struct st_context *st ) +{ + struct st_vertex_program *stvp; + struct st_vp_variant_key key; + + /* find active shader and params -- Should be covered by + * ST_NEW_VERTEX_PROGRAM + */ + assert(st->ctx->VertexProgram._Current); + stvp = st_vertex_program(st->ctx->VertexProgram._Current); + assert(stvp->Base.Base.Target == GL_VERTEX_PROGRAM_ARB); + + memset(&key, 0, sizeof key); + key.st = st; /* variants are per-context */ + + /* When this is true, we will add an extra input to the vertex + * shader translation (for edgeflags), an extra output with + * edgeflag semantics, and extend the vertex shader to pass through + * the input to the output. We'll need to use similar logic to set + * up the extra vertex_element input for edgeflags. + * _NEW_POLYGON, ST_NEW_EDGEFLAGS_DATA + */ + key.passthrough_edgeflags = (st->vertdata_edgeflags && ( + st->ctx->Polygon.FrontMode != GL_FILL || + st->ctx->Polygon.BackMode != GL_FILL)); + + st->vp_variant = st_get_vp_variant(st, stvp, &key); + + st_reference_vertprog(st, &st->vp, stvp); + + cso_set_vertex_shader_handle(st->cso_context, + st->vp_variant->driver_shader); + + st->vertex_result_to_slot = stvp->result_to_output; +} + + +const struct st_tracked_state st_update_vp = { + "st_update_vp", /* name */ + { /* dirty */ + _NEW_POLYGON, /* mesa */ + ST_NEW_VERTEX_PROGRAM | ST_NEW_EDGEFLAGS_DATA /* st */ + }, + update_vp /* update */ +}; + + + +static void +update_gp( struct st_context *st ) +{ + struct st_geometry_program *stgp; + struct st_gp_variant_key key; + + if (!st->ctx->GeometryProgram._Current) { + cso_set_geometry_shader_handle(st->cso_context, NULL); + return; + } + + stgp = st_geometry_program(st->ctx->GeometryProgram._Current); + assert(stgp->Base.Base.Target == MESA_GEOMETRY_PROGRAM); + + memset(&key, 0, sizeof(key)); + key.st = st; + + st->gp_variant = st_get_gp_variant(st, stgp, &key); + + st_reference_geomprog(st, &st->gp, stgp); + + cso_set_geometry_shader_handle(st->cso_context, + st->gp_variant->driver_shader); +} + +const struct st_tracked_state st_update_gp = { + "st_update_gp", /* name */ + { /* dirty */ + 0, /* mesa */ + ST_NEW_GEOMETRY_PROGRAM /* st */ + }, + update_gp /* update */ +}; diff --git a/mesalib/src/mesa/state_tracker/st_atom_shader.h b/mesalib/src/mesa/state_tracker/st_atom_shader.h new file mode 100644 index 000000000..fbb3a4137 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_shader.h @@ -0,0 +1,41 @@ +/************************************************************************** + * + * Copyright 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_ATOM_SHADER_H +#define ST_ATOM_SHADER_H + + +struct st_context; +struct translated_vertex_program; + +extern void +st_free_translated_vertex_programs(struct st_context *st, + struct translated_vertex_program *xvp); + + +#endif /* ST_ATOM_SHADER_H */ diff --git a/mesalib/src/mesa/state_tracker/st_atom_stipple.c b/mesalib/src/mesa/state_tracker/st_atom_stipple.c new file mode 100644 index 000000000..5efea315c --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_stipple.c @@ -0,0 +1,93 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * \brief polygon stipple state + * + * Authors: + * Brian Paul + */ + + +#include + +#include "st_context.h" +#include "st_atom.h" +#include "pipe/p_context.h" +#include "pipe/p_defines.h" + + +/** + * OpenGL's polygon stipple is indexed with window coordinates in which + * the origin (0,0) is the lower-left corner of the window. + * With Gallium, the origin is the upper-left corner of the window. + * To convert GL's polygon stipple to what gallium expects we need to + * invert the pattern vertically and rotate the stipple rows according + * to the window height. + */ +static void +invert_stipple(GLuint dest[32], const GLuint src[32], GLuint winHeight) +{ + GLuint i; + + for (i = 0; i < 32; i++) { + dest[i] = src[(winHeight - 1 - i) & 0x1f]; + } +} + + + +static void +update_stipple( struct st_context *st ) +{ + const GLuint sz = sizeof(st->state.poly_stipple); + assert(sz == sizeof(st->ctx->PolygonStipple)); + + if (memcmp(st->state.poly_stipple, st->ctx->PolygonStipple, sz)) { + /* state has changed */ + struct pipe_poly_stipple newStipple; + + memcpy(st->state.poly_stipple, st->ctx->PolygonStipple, sz); + + invert_stipple(newStipple.stipple, st->ctx->PolygonStipple, + st->ctx->DrawBuffer->Height); + + st->pipe->set_polygon_stipple(st->pipe, &newStipple); + } +} + + +/** Update the stipple when the pattern or window height changes */ +const struct st_tracked_state st_update_polygon_stipple = { + "st_update_polygon_stipple", /* name */ + { /* dirty */ + (_NEW_POLYGONSTIPPLE | + _NEW_BUFFERS), /* mesa */ + 0, /* st */ + }, + update_stipple /* update */ +}; diff --git a/mesalib/src/mesa/state_tracker/st_atom_texture.c b/mesalib/src/mesa/state_tracker/st_atom_texture.c new file mode 100644 index 000000000..37eae9401 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_texture.c @@ -0,0 +1,308 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + * Brian Paul + */ + + +#include "main/macros.h" +#include "program/prog_instruction.h" + +#include "st_context.h" +#include "st_atom.h" +#include "st_texture.h" +#include "st_format.h" +#include "st_cb_texture.h" +#include "pipe/p_context.h" +#include "util/u_format.h" +#include "util/u_inlines.h" +#include "cso_cache/cso_context.h" + +/** + * Combine depth texture mode with "swizzle" so that depth mode swizzling + * takes place before texture swizzling, and return the resulting swizzle. + * If the format is not a depth format, return "swizzle" unchanged. + * + * \param format PIPE_FORMAT_*. + * \param swizzle Texture swizzle, a bitmask computed using MAKE_SWIZZLE4. + * \param depthmode One of GL_LUMINANCE, GL_INTENSITY, GL_ALPHA, GL_RED. + */ +static GLuint apply_depthmode(enum pipe_format format, + GLuint swizzle, GLenum depthmode) +{ + const struct util_format_description *desc = + util_format_description(format); + unsigned char swiz[4]; + unsigned i; + + if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS || + desc->swizzle[0] == UTIL_FORMAT_SWIZZLE_NONE) { + /* Not a depth format. */ + return swizzle; + } + + for (i = 0; i < 4; i++) + swiz[i] = GET_SWZ(swizzle, i); + + switch (depthmode) { + case GL_LUMINANCE: + /* Rewrite reads from W to ONE, and reads from XYZ to XXX. */ + for (i = 0; i < 4; i++) + if (swiz[i] == SWIZZLE_W) + swiz[i] = SWIZZLE_ONE; + else if (swiz[i] < SWIZZLE_W) + swiz[i] = SWIZZLE_X; + break; + + case GL_INTENSITY: + /* Rewrite reads from XYZW to XXXX. */ + for (i = 0; i < 4; i++) + if (swiz[i] <= SWIZZLE_W) + swiz[i] = SWIZZLE_X; + break; + + case GL_ALPHA: + /* Rewrite reads from W to X, and reads from XYZ to 000. */ + for (i = 0; i < 4; i++) + if (swiz[i] == SWIZZLE_W) + swiz[i] = SWIZZLE_X; + else if (swiz[i] < SWIZZLE_W) + swiz[i] = SWIZZLE_ZERO; + break; + case GL_RED: + /* Rewrite reads W to 1, XYZ to X00 */ + for (i = 0; i < 4; i++) + if (swiz[i] == SWIZZLE_W) + swiz[i] = SWIZZLE_ONE; + else if (swiz[i] == SWIZZLE_Y || swiz[i] == SWIZZLE_Z) + swiz[i] = SWIZZLE_ZERO; + break; + } + + return MAKE_SWIZZLE4(swiz[0], swiz[1], swiz[2], swiz[3]); +} + +/** + * Return TRUE if the swizzling described by "swizzle" and + * "depthmode" (for depth textures only) is different from the swizzling + * set in the given sampler view. + * + * \param sv A sampler view. + * \param swizzle Texture swizzle, a bitmask computed using MAKE_SWIZZLE4. + * \param depthmode One of GL_LUMINANCE, GL_INTENSITY, GL_ALPHA. + */ +static boolean check_sampler_swizzle(struct pipe_sampler_view *sv, + GLuint swizzle, GLenum depthmode) +{ + swizzle = apply_depthmode(sv->texture->format, swizzle, depthmode); + + if ((sv->swizzle_r != GET_SWZ(swizzle, 0)) || + (sv->swizzle_g != GET_SWZ(swizzle, 1)) || + (sv->swizzle_b != GET_SWZ(swizzle, 2)) || + (sv->swizzle_a != GET_SWZ(swizzle, 3))) + return true; + return false; +} + +static INLINE struct pipe_sampler_view * +st_create_texture_sampler_view_from_stobj(struct pipe_context *pipe, + struct st_texture_object *stObj, + enum pipe_format format) + +{ + struct pipe_sampler_view templ; + GLuint swizzle = apply_depthmode(stObj->pt->format, + stObj->base._Swizzle, + stObj->base.DepthMode); + + u_sampler_view_default_template(&templ, + stObj->pt, + format); + + if (swizzle != SWIZZLE_NOOP) { + templ.swizzle_r = GET_SWZ(swizzle, 0); + templ.swizzle_g = GET_SWZ(swizzle, 1); + templ.swizzle_b = GET_SWZ(swizzle, 2); + templ.swizzle_a = GET_SWZ(swizzle, 3); + } + + return pipe->create_sampler_view(pipe, stObj->pt, &templ); +} + + +static INLINE struct pipe_sampler_view * +st_get_texture_sampler_view_from_stobj(struct st_texture_object *stObj, + struct pipe_context *pipe, + enum pipe_format format) + +{ + if (!stObj || !stObj->pt) { + return NULL; + } + + if (!stObj->sampler_view) { + stObj->sampler_view = st_create_texture_sampler_view_from_stobj(pipe, stObj, format); + } + + return stObj->sampler_view; +} + +static void +update_textures(struct st_context *st) +{ + struct pipe_context *pipe = st->pipe; + struct gl_vertex_program *vprog = st->ctx->VertexProgram._Current; + struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current; + const GLbitfield samplersUsed = (vprog->Base.SamplersUsed | + fprog->Base.SamplersUsed); + GLuint su; + + st->state.num_textures = 0; + + /* loop over sampler units (aka tex image units) */ + for (su = 0; su < st->ctx->Const.MaxTextureImageUnits; su++) { + struct pipe_sampler_view *sampler_view = NULL; + enum pipe_format st_view_format; + if (samplersUsed & (1 << su)) { + struct gl_texture_object *texObj; + struct st_texture_object *stObj; + GLboolean retval; + GLuint texUnit; + + if (fprog->Base.SamplersUsed & (1 << su)) + texUnit = fprog->Base.SamplerUnits[su]; + else + texUnit = vprog->Base.SamplerUnits[su]; + + texObj = st->ctx->Texture.Unit[texUnit]._Current; + + if (!texObj) { + texObj = st_get_default_texture(st); + } + stObj = st_texture_object(texObj); + + retval = st_finalize_texture(st->ctx, st->pipe, texObj); + if (!retval) { + /* out of mem */ + continue; + } + + st_view_format = stObj->pt->format; + { + struct st_texture_image *firstImage; + enum pipe_format firstImageFormat; + firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]); + + firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat); + if (firstImageFormat != stObj->pt->format) + st_view_format = firstImageFormat; + + } + st->state.num_textures = su + 1; + + /* if sampler view has changed dereference it */ + if (stObj->sampler_view) + if (check_sampler_swizzle(stObj->sampler_view, + stObj->base._Swizzle, + stObj->base.DepthMode) || + (st_view_format != stObj->sampler_view->format)) + pipe_sampler_view_reference(&stObj->sampler_view, NULL); + + sampler_view = st_get_texture_sampler_view_from_stobj(stObj, pipe, st_view_format); + } + pipe_sampler_view_reference(&st->state.sampler_views[su], sampler_view); + } + + cso_set_fragment_sampler_views(st->cso_context, + st->state.num_textures, + st->state.sampler_views); + if (st->ctx->Const.MaxVertexTextureImageUnits > 0) { + cso_set_vertex_sampler_views(st->cso_context, + MIN2(st->state.num_textures, + st->ctx->Const.MaxVertexTextureImageUnits), + st->state.sampler_views); + } +} + + +const struct st_tracked_state st_update_texture = { + "st_update_texture", /* name */ + { /* dirty */ + _NEW_TEXTURE, /* mesa */ + ST_NEW_FRAGMENT_PROGRAM, /* st */ + }, + update_textures /* update */ +}; + + + + +static void +finalize_textures(struct st_context *st) +{ + struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current; + const GLboolean prev_missing_textures = st->missing_textures; + GLuint su; + + st->missing_textures = GL_FALSE; + + for (su = 0; su < st->ctx->Const.MaxTextureCoordUnits; su++) { + if (fprog->Base.SamplersUsed & (1 << su)) { + const GLuint texUnit = fprog->Base.SamplerUnits[su]; + struct gl_texture_object *texObj + = st->ctx->Texture.Unit[texUnit]._Current; + + if (texObj) { + GLboolean retval; + + retval = st_finalize_texture(st->ctx, st->pipe, texObj); + if (!retval) { + /* out of mem */ + st->missing_textures = GL_TRUE; + continue; + } + } + } + } + + if (prev_missing_textures != st->missing_textures) + st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM; +} + + + +const struct st_tracked_state st_finalize_textures = { + "st_finalize_textures", /* name */ + { /* dirty */ + _NEW_TEXTURE, /* mesa */ + 0, /* st */ + }, + finalize_textures /* update */ +}; diff --git a/mesalib/src/mesa/state_tracker/st_atom_viewport.c b/mesalib/src/mesa/state_tracker/st_atom_viewport.c new file mode 100644 index 000000000..0cde4d0ec --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_atom_viewport.c @@ -0,0 +1,90 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include "main/context.h" +#include "st_context.h" +#include "st_atom.h" +#include "pipe/p_context.h" +#include "cso_cache/cso_context.h" + +/** + * Update the viewport transformation matrix. Depends on: + * - viewport pos/size + * - depthrange + * - window pos/size or FBO size + */ +static void +update_viewport( struct st_context *st ) +{ + struct gl_context *ctx = st->ctx; + GLfloat yScale, yBias; + + /* _NEW_BUFFERS + */ + if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) { + yScale = -1; + yBias = (GLfloat)ctx->DrawBuffer->Height; + } + else { + yScale = 1.0; + yBias = 0.0; + } + + /* _NEW_VIEWPORT + */ + { + GLfloat x = (GLfloat)ctx->Viewport.X; + GLfloat y = (GLfloat)ctx->Viewport.Y; + GLfloat z = ctx->Viewport.Near; + GLfloat half_width = (GLfloat)ctx->Viewport.Width * 0.5f; + GLfloat half_height = (GLfloat)ctx->Viewport.Height * 0.5f; + GLfloat half_depth = (GLfloat)(ctx->Viewport.Far - ctx->Viewport.Near) * 0.5f; + + st->state.viewport.scale[0] = half_width; + st->state.viewport.scale[1] = half_height * yScale; + st->state.viewport.scale[2] = half_depth; + st->state.viewport.scale[3] = 1.0; + + st->state.viewport.translate[0] = half_width + x; + st->state.viewport.translate[1] = (half_height + y) * yScale + yBias; + st->state.viewport.translate[2] = half_depth + z; + st->state.viewport.translate[3] = 0.0; + + cso_set_viewport(st->cso_context, &st->state.viewport); + } +} + + +const struct st_tracked_state st_update_viewport = { + "st_update_viewport", /* name */ + { /* dirty */ + _NEW_BUFFERS | _NEW_VIEWPORT, /* mesa */ + 0, /* st */ + }, + update_viewport /* update */ +}; diff --git a/mesalib/src/mesa/state_tracker/st_cache.h b/mesalib/src/mesa/state_tracker/st_cache.h new file mode 100644 index 000000000..52c1b378d --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cache.h @@ -0,0 +1,69 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Zack Rusin + */ + +#ifndef ST_CACHE_H +#define ST_CACHE_H + +struct pipe_blend_state; +struct pipe_depth_stencil_alpha_state; +struct pipe_rasterizer_state; +struct pipe_sampler_state; +struct pipe_shader_state; +struct st_context; + + +const struct cso_blend * +st_cached_blend_state(struct st_context *st, + const struct pipe_blend_state *blend); + +const struct cso_sampler * +st_cached_sampler_state(struct st_context *st, + const struct pipe_sampler_state *sampler); + +const struct cso_depth_stencil_alpha * +st_cached_depth_stencil_alpha_state(struct st_context *st, + const struct pipe_depth_stencil_alpha_state *depth_stencil); + +const struct cso_rasterizer * +st_cached_rasterizer_state(struct st_context *st, + const struct pipe_rasterizer_state *raster); + +const struct cso_fragment_shader * +st_cached_fs_state(struct st_context *st, + const struct pipe_shader_state *templ); + + +const struct cso_vertex_shader * +st_cached_vs_state(struct st_context *st, + const struct pipe_shader_state *templ); + +#endif diff --git a/mesalib/src/mesa/state_tracker/st_cb_accum.c b/mesalib/src/mesa/state_tracker/st_cb_accum.c new file mode 100644 index 000000000..743c9b525 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_accum.c @@ -0,0 +1,339 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Brian Paul + */ + +#include "main/imports.h" +#include "main/image.h" +#include "main/macros.h" + +#include "st_debug.h" +#include "st_context.h" +#include "st_cb_accum.h" +#include "st_cb_fbo.h" +#include "st_texture.h" +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "util/u_inlines.h" +#include "util/u_tile.h" + + +#if FEATURE_accum + +/** + * For hardware that supports deep color buffers, we could accelerate + * most/all the accum operations with blending/texturing. + * For now, just use the get/put_tile() functions and do things in software. + */ + + +void +st_clear_accum_buffer(struct gl_context *ctx, struct gl_renderbuffer *rb) +{ + struct st_renderbuffer *acc_strb = st_renderbuffer(rb); + const GLint xpos = ctx->DrawBuffer->_Xmin; + const GLint ypos = ctx->DrawBuffer->_Ymin; + const GLint width = ctx->DrawBuffer->_Xmax - xpos; + const GLint height = ctx->DrawBuffer->_Ymax - ypos; + size_t stride = acc_strb->stride; + GLubyte *data = acc_strb->data; + + if(!data) + return; + + switch (acc_strb->format) { + case PIPE_FORMAT_R16G16B16A16_SNORM: + { + GLshort r = FLOAT_TO_SHORT(ctx->Accum.ClearColor[0]); + GLshort g = FLOAT_TO_SHORT(ctx->Accum.ClearColor[1]); + GLshort b = FLOAT_TO_SHORT(ctx->Accum.ClearColor[2]); + GLshort a = FLOAT_TO_SHORT(ctx->Accum.ClearColor[3]); + int i, j; + for (i = 0; i < height; i++) { + GLshort *dst = (GLshort *) (data + (ypos + i) * stride + xpos * 8); + for (j = 0; j < width; j++) { + dst[0] = r; + dst[1] = g; + dst[2] = b; + dst[3] = a; + dst += 4; + } + } + } + break; + default: + _mesa_problem(ctx, "unexpected format in st_clear_accum_buffer()"); + } +} + + +/** For ADD/MULT */ +static void +accum_mad(struct gl_context *ctx, GLfloat scale, GLfloat bias, + GLint xpos, GLint ypos, GLint width, GLint height, + struct st_renderbuffer *acc_strb) +{ + size_t stride = acc_strb->stride; + GLubyte *data = acc_strb->data; + + switch (acc_strb->format) { + case PIPE_FORMAT_R16G16B16A16_SNORM: + { + int i, j; + for (i = 0; i < height; i++) { + GLshort *acc = (GLshort *) (data + (ypos + i) * stride + xpos * 8); + for (j = 0; j < width * 4; j++) { + float val = SHORT_TO_FLOAT(*acc) * scale + bias; + *acc++ = FLOAT_TO_SHORT(val); + } + } + } + break; + default: + _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()"); + } +} + + +static void +accum_accum(struct st_context *st, GLfloat value, + GLint xpos, GLint ypos, GLint width, GLint height, + struct st_renderbuffer *acc_strb, + struct st_renderbuffer *color_strb) +{ + struct pipe_context *pipe = st->pipe; + struct pipe_transfer *color_trans; + size_t stride = acc_strb->stride; + GLubyte *data = acc_strb->data; + GLfloat *buf; + + if (ST_DEBUG & DEBUG_FALLBACK) + debug_printf("%s: fallback processing\n", __FUNCTION__); + + color_trans = pipe_get_transfer(st->pipe, + color_strb->texture, + 0, 0, + PIPE_TRANSFER_READ, xpos, ypos, + width, height); + + buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); + + pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf); + + switch (acc_strb->format) { + case PIPE_FORMAT_R16G16B16A16_SNORM: + { + const GLfloat *color = buf; + int i, j; + for (i = 0; i < height; i++) { + GLshort *acc = (GLshort *) (data + (ypos + i) * stride + xpos * 8); + for (j = 0; j < width * 4; j++) { + float val = *color++ * value; + *acc++ += FLOAT_TO_SHORT(val); + } + } + } + break; + default: + _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()"); + } + + free(buf); + pipe->transfer_destroy(pipe, color_trans); +} + + +static void +accum_load(struct st_context *st, GLfloat value, + GLint xpos, GLint ypos, GLint width, GLint height, + struct st_renderbuffer *acc_strb, + struct st_renderbuffer *color_strb) +{ + struct pipe_context *pipe = st->pipe; + struct pipe_transfer *color_trans; + size_t stride = acc_strb->stride; + GLubyte *data = acc_strb->data; + GLfloat *buf; + + + if (ST_DEBUG & DEBUG_FALLBACK) + debug_printf("%s: fallback processing\n", __FUNCTION__); + + color_trans = pipe_get_transfer(st->pipe, color_strb->texture, + 0, 0, + PIPE_TRANSFER_READ, xpos, ypos, + width, height); + + buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); + + pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf); + + switch (acc_strb->format) { + case PIPE_FORMAT_R16G16B16A16_SNORM: + { + const GLfloat *color = buf; + int i, j; + for (i = 0; i < height; i++) { + GLshort *acc = (GLshort *) (data + (ypos + i) * stride + xpos * 8); + for (j = 0; j < width * 4; j++) { + float val = *color++ * value; + *acc++ = FLOAT_TO_SHORT(val); + } + } + } + break; + default: + _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()"); + } + + free(buf); + pipe->transfer_destroy(pipe, color_trans); +} + + +static void +accum_return(struct gl_context *ctx, GLfloat value, + GLint xpos, GLint ypos, GLint width, GLint height, + struct st_renderbuffer *acc_strb, + struct st_renderbuffer *color_strb) +{ + struct pipe_context *pipe = st_context(ctx)->pipe; + const GLubyte *colormask = ctx->Color.ColorMask[0]; + enum pipe_transfer_usage usage; + struct pipe_transfer *color_trans; + size_t stride = acc_strb->stride; + const GLubyte *data = acc_strb->data; + GLfloat *buf; + + if (ST_DEBUG & DEBUG_FALLBACK) + debug_printf("%s: fallback processing\n", __FUNCTION__); + + buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); + + if (!colormask[0] || !colormask[1] || !colormask[2] || !colormask[3]) + usage = PIPE_TRANSFER_READ_WRITE; + else + usage = PIPE_TRANSFER_WRITE; + + color_trans = pipe_get_transfer(st_context(ctx)->pipe, + color_strb->texture, 0, 0, + usage, + xpos, ypos, + width, height); + + if (usage & PIPE_TRANSFER_READ) + pipe_get_tile_rgba(pipe, color_trans, 0, 0, width, height, buf); + + switch (acc_strb->format) { + case PIPE_FORMAT_R16G16B16A16_SNORM: + { + GLfloat *color = buf; + int i, j, ch; + for (i = 0; i < height; i++) { + const GLshort *acc = (const GLshort *) (data + (ypos + i) * stride + xpos * 8); + for (j = 0; j < width; j++) { + for (ch = 0; ch < 4; ch++) { + if (colormask[ch]) { + GLfloat val = SHORT_TO_FLOAT(*acc * value); + *color = CLAMP(val, 0.0f, 1.0f); + } + else { + /* No change */ + } + ++acc; + ++color; + } + } + } + } + break; + default: + _mesa_problem(NULL, "unexpected format in st_clear_accum_buffer()"); + } + + pipe_put_tile_rgba(pipe, color_trans, 0, 0, width, height, buf); + + free(buf); + pipe->transfer_destroy(pipe, color_trans); +} + + +static void +st_Accum(struct gl_context *ctx, GLenum op, GLfloat value) +{ + struct st_context *st = st_context(ctx); + struct st_renderbuffer *acc_strb + = st_renderbuffer(ctx->DrawBuffer->Attachment[BUFFER_ACCUM].Renderbuffer); + struct st_renderbuffer *color_strb + = st_renderbuffer(ctx->ReadBuffer->_ColorReadBuffer); + + const GLint xpos = ctx->DrawBuffer->_Xmin; + const GLint ypos = ctx->DrawBuffer->_Ymin; + const GLint width = ctx->DrawBuffer->_Xmax - xpos; + const GLint height = ctx->DrawBuffer->_Ymax - ypos; + + if(!acc_strb->data) + return; + + switch (op) { + case GL_ADD: + if (value != 0.0F) { + accum_mad(ctx, 1.0, value, xpos, ypos, width, height, acc_strb); + } + break; + case GL_MULT: + if (value != 1.0F) { + accum_mad(ctx, value, 0.0, xpos, ypos, width, height, acc_strb); + } + break; + case GL_ACCUM: + if (value != 0.0F) { + accum_accum(st, value, xpos, ypos, width, height, acc_strb, color_strb); + } + break; + case GL_LOAD: + accum_load(st, value, xpos, ypos, width, height, acc_strb, color_strb); + break; + case GL_RETURN: + accum_return(ctx, value, xpos, ypos, width, height, acc_strb, color_strb); + break; + default: + assert(0); + } +} + + + +void st_init_accum_functions(struct dd_function_table *functions) +{ + functions->Accum = st_Accum; +} + +#endif /* FEATURE_accum */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_accum.h b/mesalib/src/mesa/state_tracker/st_cb_accum.h new file mode 100644 index 000000000..90feddd6f --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_accum.h @@ -0,0 +1,63 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_CB_ACCUM_H +#define ST_CB_ACCUM_H + + +#include "main/mfeatures.h" + +struct dd_function_table; +struct gl_context; +struct gl_renderbuffer; + +#if FEATURE_accum + +extern void +st_clear_accum_buffer(struct gl_context *ctx, struct gl_renderbuffer *rb); + +extern void st_init_accum_functions(struct dd_function_table *functions); + +#else + +#include "main/compiler.h" + +static INLINE void +st_clear_accum_buffer(struct gl_context *ctx, struct gl_renderbuffer *rb) +{ + ASSERT_NO_FEATURE(); +} + +static INLINE void +st_init_accum_functions(struct dd_function_table *functions) +{ +} + +#endif /* FEATURE_accum */ + +#endif /* ST_CB_ACCUM_H */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c new file mode 100644 index 000000000..6a3c06d54 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c @@ -0,0 +1,889 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Brian Paul + */ + +#include "main/imports.h" +#include "main/image.h" +#include "main/bufferobj.h" +#include "main/macros.h" +#include "program/program.h" +#include "program/prog_print.h" + +#include "st_context.h" +#include "st_atom.h" +#include "st_atom_constbuf.h" +#include "st_program.h" +#include "st_cb_bitmap.h" +#include "st_texture.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_shader_tokens.h" +#include "util/u_inlines.h" +#include "util/u_draw_quad.h" +#include "util/u_simple_shaders.h" +#include "program/prog_instruction.h" +#include "cso_cache/cso_context.h" + + +#if FEATURE_drawpix + +/** + * glBitmaps are drawn as textured quads. The user's bitmap pattern + * is stored in a texture image. An alpha8 texture format is used. + * The fragment shader samples a bit (texel) from the texture, then + * discards the fragment if the bit is off. + * + * Note that we actually store the inverse image of the bitmap to + * simplify the fragment program. An "on" bit gets stored as texel=0x0 + * and an "off" bit is stored as texel=0xff. Then we kill the + * fragment if the negated texel value is less than zero. + */ + + +/** + * The bitmap cache attempts to accumulate multiple glBitmap calls in a + * buffer which is then rendered en mass upon a flush, state change, etc. + * A wide, short buffer is used to target the common case of a series + * of glBitmap calls being used to draw text. + */ +static GLboolean UseBitmapCache = GL_TRUE; + + +#define BITMAP_CACHE_WIDTH 512 +#define BITMAP_CACHE_HEIGHT 32 + +struct bitmap_cache +{ + /** Window pos to render the cached image */ + GLint xpos, ypos; + /** Bounds of region used in window coords */ + GLint xmin, ymin, xmax, ymax; + + GLfloat color[4]; + + /** Bitmap's Z position */ + GLfloat zpos; + + struct pipe_resource *texture; + struct pipe_transfer *trans; + + GLboolean empty; + + /** An I8 texture image: */ + ubyte *buffer; +}; + + +/** Epsilon for Z comparisons */ +#define Z_EPSILON 1e-06 + + +/** + * Make fragment program for glBitmap: + * Sample the texture and kill the fragment if the bit is 0. + * This program will be combined with the user's fragment program. + */ +static struct st_fragment_program * +make_bitmap_fragment_program(struct gl_context *ctx, GLuint samplerIndex) +{ + struct st_context *st = st_context(ctx); + struct st_fragment_program *stfp; + struct gl_program *p; + GLuint ic = 0; + + p = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0); + if (!p) + return NULL; + + p->NumInstructions = 3; + + p->Instructions = _mesa_alloc_instructions(p->NumInstructions); + if (!p->Instructions) { + ctx->Driver.DeleteProgram(ctx, p); + return NULL; + } + _mesa_init_instructions(p->Instructions, p->NumInstructions); + + /* TEX tmp0, fragment.texcoord[0], texture[0], 2D; */ + p->Instructions[ic].Opcode = OPCODE_TEX; + p->Instructions[ic].DstReg.File = PROGRAM_TEMPORARY; + p->Instructions[ic].DstReg.Index = 0; + p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT; + p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0; + p->Instructions[ic].TexSrcUnit = samplerIndex; + p->Instructions[ic].TexSrcTarget = TEXTURE_2D_INDEX; + ic++; + + /* KIL if -tmp0 < 0 # texel=0 -> keep / texel=0 -> discard */ + p->Instructions[ic].Opcode = OPCODE_KIL; + p->Instructions[ic].SrcReg[0].File = PROGRAM_TEMPORARY; + + if (st->bitmap.tex_format == PIPE_FORMAT_L8_UNORM) + p->Instructions[ic].SrcReg[0].Swizzle = SWIZZLE_XXXX; + + p->Instructions[ic].SrcReg[0].Index = 0; + p->Instructions[ic].SrcReg[0].Negate = NEGATE_XYZW; + ic++; + + /* END; */ + p->Instructions[ic++].Opcode = OPCODE_END; + + assert(ic == p->NumInstructions); + + p->InputsRead = FRAG_BIT_TEX0; + p->OutputsWritten = 0x0; + p->SamplersUsed = (1 << samplerIndex); + + stfp = (struct st_fragment_program *) p; + stfp->Base.UsesKill = GL_TRUE; + + return stfp; +} + + +static int +find_free_bit(uint bitfield) +{ + int i; + for (i = 0; i < 32; i++) { + if ((bitfield & (1 << i)) == 0) { + return i; + } + } + return -1; +} + + +/** + * Combine basic bitmap fragment program with the user-defined program. + * \param st current context + * \param fpIn the incoming fragment program + * \param fpOut the new fragment program which does fragment culling + * \param bitmap_sampler sampler number for the bitmap texture + */ +void +st_make_bitmap_fragment_program(struct st_context *st, + struct gl_fragment_program *fpIn, + struct gl_fragment_program **fpOut, + GLuint *bitmap_sampler) +{ + struct st_fragment_program *bitmap_prog; + struct gl_program *newProg; + uint sampler; + + /* + * Generate new program which is the user-defined program prefixed + * with the bitmap sampler/kill instructions. + */ + sampler = find_free_bit(fpIn->Base.SamplersUsed); + bitmap_prog = make_bitmap_fragment_program(st->ctx, sampler); + + newProg = _mesa_combine_programs(st->ctx, + &bitmap_prog->Base.Base, + &fpIn->Base); + /* done with this after combining */ + st_reference_fragprog(st, &bitmap_prog, NULL); + +#if 0 + { + printf("Combined bitmap program:\n"); + _mesa_print_program(newProg); + printf("InputsRead: 0x%x\n", newProg->InputsRead); + printf("OutputsWritten: 0x%x\n", newProg->OutputsWritten); + _mesa_print_parameter_list(newProg->Parameters); + } +#endif + + /* return results */ + *fpOut = (struct gl_fragment_program *) newProg; + *bitmap_sampler = sampler; +} + + +/** + * Copy user-provide bitmap bits into texture buffer, expanding + * bits into texels. + * "On" bits will set texels to 0x0. + * "Off" bits will not modify texels. + * Note that the image is actually going to be upside down in + * the texture. We deal with that with texcoords. + */ +static void +unpack_bitmap(struct st_context *st, + GLint px, GLint py, GLsizei width, GLsizei height, + const struct gl_pixelstore_attrib *unpack, + const GLubyte *bitmap, + ubyte *destBuffer, uint destStride) +{ + destBuffer += py * destStride + px; + + _mesa_expand_bitmap(width, height, unpack, bitmap, + destBuffer, destStride, 0x0); +} + + +/** + * Create a texture which represents a bitmap image. + */ +static struct pipe_resource * +make_bitmap_texture(struct gl_context *ctx, GLsizei width, GLsizei height, + const struct gl_pixelstore_attrib *unpack, + const GLubyte *bitmap) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct pipe_transfer *transfer; + ubyte *dest; + struct pipe_resource *pt; + + /* PBO source... */ + bitmap = _mesa_map_pbo_source(ctx, unpack, bitmap); + if (!bitmap) { + return NULL; + } + + /** + * Create texture to hold bitmap pattern. + */ + pt = st_texture_create(st, st->internal_target, st->bitmap.tex_format, + 0, width, height, 1, + PIPE_BIND_SAMPLER_VIEW); + if (!pt) { + _mesa_unmap_pbo_source(ctx, unpack); + return NULL; + } + + transfer = pipe_get_transfer(st->pipe, pt, 0, 0, + PIPE_TRANSFER_WRITE, + 0, 0, width, height); + + dest = pipe_transfer_map(pipe, transfer); + + /* Put image into texture transfer */ + memset(dest, 0xff, height * transfer->stride); + unpack_bitmap(st, 0, 0, width, height, unpack, bitmap, + dest, transfer->stride); + + _mesa_unmap_pbo_source(ctx, unpack); + + /* Release transfer */ + pipe_transfer_unmap(pipe, transfer); + pipe->transfer_destroy(pipe, transfer); + + return pt; +} + +static GLuint +setup_bitmap_vertex_data(struct st_context *st, bool normalized, + int x, int y, int width, int height, + float z, const float color[4]) +{ + struct pipe_context *pipe = st->pipe; + const struct gl_framebuffer *fb = st->ctx->DrawBuffer; + const GLfloat fb_width = (GLfloat)fb->Width; + const GLfloat fb_height = (GLfloat)fb->Height; + const GLfloat x0 = (GLfloat)x; + const GLfloat x1 = (GLfloat)(x + width); + const GLfloat y0 = (GLfloat)y; + const GLfloat y1 = (GLfloat)(y + height); + GLfloat sLeft = (GLfloat)0.0, sRight = (GLfloat)1.0; + GLfloat tTop = (GLfloat)0.0, tBot = (GLfloat)1.0 - tTop; + const GLfloat clip_x0 = (GLfloat)(x0 / fb_width * 2.0 - 1.0); + const GLfloat clip_y0 = (GLfloat)(y0 / fb_height * 2.0 - 1.0); + const GLfloat clip_x1 = (GLfloat)(x1 / fb_width * 2.0 - 1.0); + const GLfloat clip_y1 = (GLfloat)(y1 / fb_height * 2.0 - 1.0); + const GLuint max_slots = 1; /* 4096 / sizeof(st->bitmap.vertices); */ + GLuint i; + + if(!normalized) + { + sRight = width; + tBot = height; + } + + /* XXX: Need to improve buffer_write to allow NO_WAIT (as well as + * no_flush) updates to buffers where we know there is no conflict + * with previous data. Currently using max_slots > 1 will cause + * synchronous rendering if the driver flushes its command buffers + * between one bitmap and the next. Our flush hook below isn't + * sufficient to catch this as the driver doesn't tell us when it + * flushes its own command buffers. Until this gets fixed, pay the + * price of allocating a new buffer for each bitmap cache-flush to + * avoid synchronous rendering. + */ + if (st->bitmap.vbuf_slot >= max_slots) { + pipe_resource_reference(&st->bitmap.vbuf, NULL); + st->bitmap.vbuf_slot = 0; + } + + if (!st->bitmap.vbuf) { + st->bitmap.vbuf = pipe_buffer_create(pipe->screen, + PIPE_BIND_VERTEX_BUFFER, + max_slots * + sizeof(st->bitmap.vertices)); + } + + /* Positions are in clip coords since we need to do clipping in case + * the bitmap quad goes beyond the window bounds. + */ + st->bitmap.vertices[0][0][0] = clip_x0; + st->bitmap.vertices[0][0][1] = clip_y0; + st->bitmap.vertices[0][2][0] = sLeft; + st->bitmap.vertices[0][2][1] = tTop; + + st->bitmap.vertices[1][0][0] = clip_x1; + st->bitmap.vertices[1][0][1] = clip_y0; + st->bitmap.vertices[1][2][0] = sRight; + st->bitmap.vertices[1][2][1] = tTop; + + st->bitmap.vertices[2][0][0] = clip_x1; + st->bitmap.vertices[2][0][1] = clip_y1; + st->bitmap.vertices[2][2][0] = sRight; + st->bitmap.vertices[2][2][1] = tBot; + + st->bitmap.vertices[3][0][0] = clip_x0; + st->bitmap.vertices[3][0][1] = clip_y1; + st->bitmap.vertices[3][2][0] = sLeft; + st->bitmap.vertices[3][2][1] = tBot; + + /* same for all verts: */ + for (i = 0; i < 4; i++) { + st->bitmap.vertices[i][0][2] = z; + st->bitmap.vertices[i][0][3] = 1.0; + st->bitmap.vertices[i][1][0] = color[0]; + st->bitmap.vertices[i][1][1] = color[1]; + st->bitmap.vertices[i][1][2] = color[2]; + st->bitmap.vertices[i][1][3] = color[3]; + st->bitmap.vertices[i][2][2] = 0.0; /*R*/ + st->bitmap.vertices[i][2][3] = 1.0; /*Q*/ + } + + /* put vertex data into vbuf */ + pipe_buffer_write_nooverlap(st->pipe, + st->bitmap.vbuf, + st->bitmap.vbuf_slot + * sizeof(st->bitmap.vertices), + sizeof st->bitmap.vertices, + st->bitmap.vertices); + + return st->bitmap.vbuf_slot++ * sizeof st->bitmap.vertices; +} + + + +/** + * Render a glBitmap by drawing a textured quad + */ +static void +draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z, + GLsizei width, GLsizei height, + struct pipe_sampler_view *sv, + const GLfloat *color) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct cso_context *cso = st->cso_context; + struct st_fp_variant *fpv; + struct st_fp_variant_key key; + GLuint maxSize; + GLuint offset; + + memset(&key, 0, sizeof(key)); + key.st = st; + key.bitmap = GL_TRUE; + + fpv = st_get_fp_variant(st, st->fp, &key); + + /* As an optimization, Mesa's fragment programs will sometimes get the + * primary color from a statevar/constant rather than a varying variable. + * when that's the case, we need to ensure that we use the 'color' + * parameter and not the current attribute color (which may have changed + * through glRasterPos and state validation. + * So, we force the proper color here. Not elegant, but it works. + */ + { + GLfloat colorSave[4]; + COPY_4V(colorSave, ctx->Current.Attrib[VERT_ATTRIB_COLOR0]); + COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], color); + st_upload_constants(st, fpv->parameters, PIPE_SHADER_FRAGMENT); + COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], colorSave); + } + + + /* limit checks */ + /* XXX if the bitmap is larger than the max texture size, break + * it up into chunks. + */ + maxSize = 1 << (pipe->screen->get_param(pipe->screen, + PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1); + assert(width <= (GLsizei)maxSize); + assert(height <= (GLsizei)maxSize); + + cso_save_rasterizer(cso); + cso_save_samplers(cso); + cso_save_fragment_sampler_views(cso); + cso_save_viewport(cso); + cso_save_fragment_shader(cso); + cso_save_vertex_shader(cso); + cso_save_vertex_elements(cso); + + /* rasterizer state: just scissor */ + st->bitmap.rasterizer.scissor = ctx->Scissor.Enabled; + cso_set_rasterizer(cso, &st->bitmap.rasterizer); + + /* fragment shader state: TEX lookup program */ + cso_set_fragment_shader_handle(cso, fpv->driver_shader); + + /* vertex shader state: position + texcoord pass-through */ + cso_set_vertex_shader_handle(cso, st->bitmap.vs); + + /* user samplers, plus our bitmap sampler */ + { + struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS]; + uint num = MAX2(fpv->bitmap_sampler + 1, st->state.num_samplers); + uint i; + for (i = 0; i < st->state.num_samplers; i++) { + samplers[i] = &st->state.samplers[i]; + } + samplers[fpv->bitmap_sampler] = + &st->bitmap.samplers[sv->texture->target != PIPE_TEXTURE_RECT]; + cso_set_samplers(cso, num, (const struct pipe_sampler_state **) samplers); + } + + /* user textures, plus the bitmap texture */ + { + struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS]; + uint num = MAX2(fpv->bitmap_sampler + 1, st->state.num_textures); + memcpy(sampler_views, st->state.sampler_views, sizeof(sampler_views)); + sampler_views[fpv->bitmap_sampler] = sv; + cso_set_fragment_sampler_views(cso, num, sampler_views); + } + + /* viewport state: viewport matching window dims */ + { + const struct gl_framebuffer *fb = st->ctx->DrawBuffer; + const GLboolean invert = (st_fb_orientation(fb) == Y_0_TOP); + const GLfloat width = (GLfloat)fb->Width; + const GLfloat height = (GLfloat)fb->Height; + struct pipe_viewport_state vp; + vp.scale[0] = 0.5f * width; + vp.scale[1] = height * (invert ? -0.5f : 0.5f); + vp.scale[2] = 0.5f; + vp.scale[3] = 1.0f; + vp.translate[0] = 0.5f * width; + vp.translate[1] = 0.5f * height; + vp.translate[2] = 0.5f; + vp.translate[3] = 0.0f; + cso_set_viewport(cso, &vp); + } + + cso_set_vertex_elements(cso, 3, st->velems_util_draw); + + /* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */ + z = z * 2.0 - 1.0; + + /* draw textured quad */ + offset = setup_bitmap_vertex_data(st, + sv->texture->target != PIPE_TEXTURE_RECT, + x, y, width, height, z, color); + + util_draw_vertex_buffer(pipe, st->bitmap.vbuf, offset, + PIPE_PRIM_TRIANGLE_FAN, + 4, /* verts */ + 3); /* attribs/vert */ + + + /* restore state */ + cso_restore_rasterizer(cso); + cso_restore_samplers(cso); + cso_restore_fragment_sampler_views(cso); + cso_restore_viewport(cso); + cso_restore_fragment_shader(cso); + cso_restore_vertex_shader(cso); + cso_restore_vertex_elements(cso); +} + + +static void +reset_cache(struct st_context *st) +{ + struct pipe_context *pipe = st->pipe; + struct bitmap_cache *cache = st->bitmap.cache; + + /*memset(cache->buffer, 0xff, sizeof(cache->buffer));*/ + cache->empty = GL_TRUE; + + cache->xmin = 1000000; + cache->xmax = -1000000; + cache->ymin = 1000000; + cache->ymax = -1000000; + + if (cache->trans) { + pipe->transfer_destroy(pipe, cache->trans); + cache->trans = NULL; + } + + assert(!cache->texture); + + /* allocate a new texture */ + cache->texture = st_texture_create(st, PIPE_TEXTURE_2D, + st->bitmap.tex_format, 0, + BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT, + 1, + PIPE_BIND_SAMPLER_VIEW); +} + + +/** Print bitmap image to stdout (debug) */ +static void +print_cache(const struct bitmap_cache *cache) +{ + int i, j, k; + + for (i = 0; i < BITMAP_CACHE_HEIGHT; i++) { + k = BITMAP_CACHE_WIDTH * (BITMAP_CACHE_HEIGHT - i - 1); + for (j = 0; j < BITMAP_CACHE_WIDTH; j++) { + if (cache->buffer[k]) + printf("X"); + else + printf(" "); + k++; + } + printf("\n"); + } +} + + +/** + * Create gallium pipe_transfer object for the bitmap cache. + */ +static void +create_cache_trans(struct st_context *st) +{ + struct pipe_context *pipe = st->pipe; + struct bitmap_cache *cache = st->bitmap.cache; + + if (cache->trans) + return; + + /* Map the texture transfer. + * Subsequent glBitmap calls will write into the texture image. + */ + cache->trans = pipe_get_transfer(st->pipe, cache->texture, 0, 0, + PIPE_TRANSFER_WRITE, 0, 0, + BITMAP_CACHE_WIDTH, + BITMAP_CACHE_HEIGHT); + cache->buffer = pipe_transfer_map(pipe, cache->trans); + + /* init image to all 0xff */ + memset(cache->buffer, 0xff, cache->trans->stride * BITMAP_CACHE_HEIGHT); +} + + +/** + * If there's anything in the bitmap cache, draw/flush it now. + */ +void +st_flush_bitmap_cache(struct st_context *st) +{ + if (!st->bitmap.cache->empty) { + struct bitmap_cache *cache = st->bitmap.cache; + + if (st->ctx->DrawBuffer) { + struct pipe_context *pipe = st->pipe; + struct pipe_sampler_view *sv; + + assert(cache->xmin <= cache->xmax); + +/* printf("flush size %d x %d at %d, %d\n", + cache->xmax - cache->xmin, + cache->ymax - cache->ymin, + cache->xpos, cache->ypos); +*/ + + /* The texture transfer has been mapped until now. + * So unmap and release the texture transfer before drawing. + */ + if (cache->trans) { + if (0) + print_cache(cache); + pipe_transfer_unmap(pipe, cache->trans); + cache->buffer = NULL; + + pipe->transfer_destroy(pipe, cache->trans); + cache->trans = NULL; + } + + sv = st_create_texture_sampler_view(st->pipe, cache->texture); + if (sv) { + draw_bitmap_quad(st->ctx, + cache->xpos, + cache->ypos, + cache->zpos, + BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT, + sv, + cache->color); + + pipe_sampler_view_reference(&sv, NULL); + } + } + + /* release/free the texture */ + pipe_resource_reference(&cache->texture, NULL); + + reset_cache(st); + } +} + + +/** + * Flush bitmap cache and release vertex buffer. + */ +void +st_flush_bitmap( struct st_context *st ) +{ + st_flush_bitmap_cache(st); + + /* Release vertex buffer to avoid synchronous rendering if we were + * to map it in the next frame. + */ + pipe_resource_reference(&st->bitmap.vbuf, NULL); + st->bitmap.vbuf_slot = 0; +} + + +/** + * Try to accumulate this glBitmap call in the bitmap cache. + * \return GL_TRUE for success, GL_FALSE if bitmap is too large, etc. + */ +static GLboolean +accum_bitmap(struct st_context *st, + GLint x, GLint y, GLsizei width, GLsizei height, + const struct gl_pixelstore_attrib *unpack, + const GLubyte *bitmap ) +{ + struct bitmap_cache *cache = st->bitmap.cache; + int px = -999, py = -999; + const GLfloat z = st->ctx->Current.RasterPos[2]; + + if (width > BITMAP_CACHE_WIDTH || + height > BITMAP_CACHE_HEIGHT) + return GL_FALSE; /* too big to cache */ + + if (!cache->empty) { + px = x - cache->xpos; /* pos in buffer */ + py = y - cache->ypos; + if (px < 0 || px + width > BITMAP_CACHE_WIDTH || + py < 0 || py + height > BITMAP_CACHE_HEIGHT || + !TEST_EQ_4V(st->ctx->Current.RasterColor, cache->color) || + ((fabs(z - cache->zpos) > Z_EPSILON))) { + /* This bitmap would extend beyond cache bounds, or the bitmap + * color is changing + * so flush and continue. + */ + st_flush_bitmap_cache(st); + } + } + + if (cache->empty) { + /* Initialize. Center bitmap vertically in the buffer. */ + px = 0; + py = (BITMAP_CACHE_HEIGHT - height) / 2; + cache->xpos = x; + cache->ypos = y - py; + cache->zpos = z; + cache->empty = GL_FALSE; + COPY_4FV(cache->color, st->ctx->Current.RasterColor); + } + + assert(px != -999); + assert(py != -999); + + if (x < cache->xmin) + cache->xmin = x; + if (y < cache->ymin) + cache->ymin = y; + if (x + width > cache->xmax) + cache->xmax = x + width; + if (y + height > cache->ymax) + cache->ymax = y + height; + + /* create the transfer if needed */ + create_cache_trans(st); + + unpack_bitmap(st, px, py, width, height, unpack, bitmap, + cache->buffer, BITMAP_CACHE_WIDTH); + + return GL_TRUE; /* accumulated */ +} + + + +/** + * Called via ctx->Driver.Bitmap() + */ +static void +st_Bitmap(struct gl_context *ctx, GLint x, GLint y, + GLsizei width, GLsizei height, + const struct gl_pixelstore_attrib *unpack, const GLubyte *bitmap ) +{ + struct st_context *st = st_context(ctx); + struct pipe_resource *pt; + + if (width == 0 || height == 0) + return; + + st_validate_state(st); + + if (!st->bitmap.vs) { + /* create pass-through vertex shader now */ + const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, + TGSI_SEMANTIC_COLOR, + TGSI_SEMANTIC_GENERIC }; + const uint semantic_indexes[] = { 0, 0, 0 }; + st->bitmap.vs = util_make_vertex_passthrough_shader(st->pipe, 3, + semantic_names, + semantic_indexes); + } + + if (UseBitmapCache && accum_bitmap(st, x, y, width, height, unpack, bitmap)) + return; + + pt = make_bitmap_texture(ctx, width, height, unpack, bitmap); + if (pt) { + struct pipe_sampler_view *sv = + st_create_texture_sampler_view(st->pipe, pt); + + assert(pt->target == PIPE_TEXTURE_2D || pt->target == PIPE_TEXTURE_RECT); + + if (sv) { + draw_bitmap_quad(ctx, x, y, ctx->Current.RasterPos[2], + width, height, sv, + st->ctx->Current.RasterColor); + + pipe_sampler_view_reference(&sv, NULL); + } + + /* release/free the texture */ + pipe_resource_reference(&pt, NULL); + } +} + + +/** Per-context init */ +void +st_init_bitmap_functions(struct dd_function_table *functions) +{ + functions->Bitmap = st_Bitmap; +} + + +/** Per-context init */ +void +st_init_bitmap(struct st_context *st) +{ + struct pipe_sampler_state *sampler = &st->bitmap.samplers[0]; + struct pipe_context *pipe = st->pipe; + struct pipe_screen *screen = pipe->screen; + + /* init sampler state once */ + memset(sampler, 0, sizeof(*sampler)); + sampler->wrap_s = PIPE_TEX_WRAP_CLAMP; + sampler->wrap_t = PIPE_TEX_WRAP_CLAMP; + sampler->wrap_r = PIPE_TEX_WRAP_CLAMP; + sampler->min_img_filter = PIPE_TEX_FILTER_NEAREST; + sampler->min_mip_filter = PIPE_TEX_MIPFILTER_NONE; + sampler->mag_img_filter = PIPE_TEX_FILTER_NEAREST; + st->bitmap.samplers[1] = *sampler; + st->bitmap.samplers[1].normalized_coords = 1; + + /* init baseline rasterizer state once */ + memset(&st->bitmap.rasterizer, 0, sizeof(st->bitmap.rasterizer)); + st->bitmap.rasterizer.gl_rasterization_rules = 1; + + /* find a usable texture format */ + if (screen->is_format_supported(screen, PIPE_FORMAT_I8_UNORM, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0)) { + st->bitmap.tex_format = PIPE_FORMAT_I8_UNORM; + } + else if (screen->is_format_supported(screen, PIPE_FORMAT_A8_UNORM, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0)) { + st->bitmap.tex_format = PIPE_FORMAT_A8_UNORM; + } + else if (screen->is_format_supported(screen, PIPE_FORMAT_L8_UNORM, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0)) { + st->bitmap.tex_format = PIPE_FORMAT_L8_UNORM; + } + else { + /* XXX support more formats */ + assert(0); + } + + /* alloc bitmap cache object */ + st->bitmap.cache = ST_CALLOC_STRUCT(bitmap_cache); + + reset_cache(st); +} + + +/** Per-context tear-down */ +void +st_destroy_bitmap(struct st_context *st) +{ + struct pipe_context *pipe = st->pipe; + struct bitmap_cache *cache = st->bitmap.cache; + + if (st->bitmap.vs) { + cso_delete_vertex_shader(st->cso_context, st->bitmap.vs); + st->bitmap.vs = NULL; + } + + if (st->bitmap.vbuf) { + pipe_resource_reference(&st->bitmap.vbuf, NULL); + st->bitmap.vbuf = NULL; + } + + if (cache) { + if (cache->trans) { + pipe_transfer_unmap(pipe, cache->trans); + pipe->transfer_destroy(pipe, cache->trans); + } + pipe_resource_reference(&st->bitmap.cache->texture, NULL); + free(st->bitmap.cache); + st->bitmap.cache = NULL; + } +} + +#endif /* FEATURE_drawpix */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_bitmap.h b/mesalib/src/mesa/state_tracker/st_cb_bitmap.h new file mode 100644 index 000000000..a0d2f9faa --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_bitmap.h @@ -0,0 +1,95 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_CB_BITMAP_H +#define ST_CB_BITMAP_H + + +#include "main/compiler.h" + +struct dd_function_table; +struct st_context; +struct gl_fragment_program; +struct st_fragment_program; + +#if FEATURE_drawpix + +extern void +st_init_bitmap_functions(struct dd_function_table *functions); + +extern void +st_init_bitmap(struct st_context *st); + +extern void +st_destroy_bitmap(struct st_context *st); + +extern void +st_make_bitmap_fragment_program(struct st_context *st, + struct gl_fragment_program *fpIn, + struct gl_fragment_program **fpOut, + GLuint *bitmap_sampler); + +extern void +st_flush_bitmap_cache(struct st_context *st); + +/* Flush bitmap cache and release vertex buffer. Needed at end of + * frame to avoid synchronous rendering. + */ +extern void +st_flush_bitmap(struct st_context *st); + +#else + +static INLINE void +st_init_bitmap_functions(struct dd_function_table *functions) +{ +} + +static INLINE void +st_init_bitmap(struct st_context *st) +{ +} + +static INLINE void +st_destroy_bitmap(struct st_context *st) +{ +} + +static INLINE void +st_flush_bitmap_cache(struct st_context *st) +{ +} + +static INLINE void +st_flush_bitmap(struct st_context *st) +{ +} + +#endif /* FEATURE_drawpix */ + +#endif /* ST_CB_BITMAP_H */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_blit.c b/mesalib/src/mesa/state_tracker/st_cb_blit.c new file mode 100644 index 000000000..466e1a85f --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_blit.c @@ -0,0 +1,207 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Brian Paul + */ + +#include "main/imports.h" +#include "main/image.h" +#include "main/macros.h" + +#include "st_context.h" +#include "st_texture.h" +#include "st_cb_blit.h" +#include "st_cb_fbo.h" + +#include "util/u_blit.h" + + +void +st_init_blit(struct st_context *st) +{ + st->blit = util_create_blit(st->pipe, st->cso_context); +} + + +void +st_destroy_blit(struct st_context *st) +{ + util_destroy_blit(st->blit); + st->blit = NULL; +} + + +#if FEATURE_EXT_framebuffer_blit + +static void +st_BlitFramebuffer(struct gl_context *ctx, + GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, + GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, + GLbitfield mask, GLenum filter) +{ + const GLbitfield depthStencil = (GL_DEPTH_BUFFER_BIT | + GL_STENCIL_BUFFER_BIT); + struct st_context *st = st_context(ctx); + const uint pFilter = ((filter == GL_NEAREST) + ? PIPE_TEX_MIPFILTER_NEAREST + : PIPE_TEX_MIPFILTER_LINEAR); + struct gl_framebuffer *readFB = ctx->ReadBuffer; + struct gl_framebuffer *drawFB = ctx->DrawBuffer; + + if (!_mesa_clip_blit(ctx, &srcX0, &srcY0, &srcX1, &srcY1, + &dstX0, &dstY0, &dstX1, &dstY1)) { + return; /* nothing to draw/blit */ + } + + if (st_fb_orientation(drawFB) == Y_0_TOP) { + /* invert Y for dest */ + dstY0 = drawFB->Height - dstY0; + dstY1 = drawFB->Height - dstY1; + } + + if (st_fb_orientation(readFB) == Y_0_TOP) { + /* invert Y for src */ + srcY0 = readFB->Height - srcY0; + srcY1 = readFB->Height - srcY1; + } + + if (srcY0 > srcY1 && dstY0 > dstY1) { + /* Both src and dst are upside down. Swap Y to make it + * right-side up to increase odds of using a fast path. + * Recall that all Gallium raster coords have Y=0=top. + */ + GLint tmp; + tmp = srcY0; + srcY0 = srcY1; + srcY1 = tmp; + tmp = dstY0; + dstY0 = dstY1; + dstY1 = tmp; + } + + if (mask & GL_COLOR_BUFFER_BIT) { + struct gl_renderbuffer_attachment *srcAtt = + &readFB->Attachment[readFB->_ColorReadBufferIndex]; + + if(srcAtt->Type == GL_TEXTURE) { + struct st_texture_object *srcObj = + st_texture_object(srcAtt->Texture); + struct st_renderbuffer *dstRb = + st_renderbuffer(drawFB->_ColorDrawBuffers[0]); + struct pipe_surface *dstSurf = dstRb->surface; + + if (!srcObj->pt) + return; + + util_blit_pixels(st->blit, srcObj->pt, srcAtt->TextureLevel, + srcX0, srcY0, srcX1, srcY1, + srcAtt->Zoffset + srcAtt->CubeMapFace, + dstSurf, dstX0, dstY0, dstX1, dstY1, + 0.0, pFilter); + } + else { + struct st_renderbuffer *srcRb = + st_renderbuffer(readFB->_ColorReadBuffer); + struct st_renderbuffer *dstRb = + st_renderbuffer(drawFB->_ColorDrawBuffers[0]); + struct pipe_surface *srcSurf = srcRb->surface; + struct pipe_surface *dstSurf = dstRb->surface; + + util_blit_pixels(st->blit, + srcRb->texture, srcSurf->u.tex.level, + srcX0, srcY0, srcX1, srcY1, + srcSurf->u.tex.first_layer, + dstSurf, dstX0, dstY0, dstX1, dstY1, + 0.0, pFilter); + } + } + + if (mask & depthStencil) { + /* depth and/or stencil blit */ + + /* get src/dst depth surfaces */ + struct gl_renderbuffer_attachment *srcDepth = + &readFB->Attachment[BUFFER_DEPTH]; + struct gl_renderbuffer_attachment *dstDepth = + &drawFB->Attachment[BUFFER_DEPTH]; + struct gl_renderbuffer_attachment *srcStencil = + &readFB->Attachment[BUFFER_STENCIL]; + struct gl_renderbuffer_attachment *dstStencil = + &drawFB->Attachment[BUFFER_STENCIL]; + + struct st_renderbuffer *srcDepthRb = + st_renderbuffer(readFB->Attachment[BUFFER_DEPTH].Renderbuffer); + struct st_renderbuffer *dstDepthRb = + st_renderbuffer(drawFB->Attachment[BUFFER_DEPTH].Renderbuffer); + struct pipe_surface *dstDepthSurf = + dstDepthRb ? dstDepthRb->surface : NULL; + + if ((mask & depthStencil) == depthStencil && + st_is_depth_stencil_combined(srcDepth, srcStencil) && + st_is_depth_stencil_combined(dstDepth, dstStencil)) { + + /* Blitting depth and stencil values between combined + * depth/stencil buffers. This is the ideal case for such buffers. + */ + util_blit_pixels(st->blit, + srcDepthRb->texture, + srcDepthRb->surface->u.tex.level, + srcX0, srcY0, srcX1, srcY1, + srcDepthRb->surface->u.tex.first_layer, + dstDepthSurf, dstX0, dstY0, dstX1, dstY1, + 0.0, pFilter); + } + else { + /* blitting depth and stencil separately */ + + if (mask & GL_DEPTH_BUFFER_BIT) { + util_blit_pixels(st->blit, srcDepthRb->texture, + srcDepthRb->surface->u.tex.level, + srcX0, srcY0, srcX1, srcY1, + srcDepthRb->surface->u.tex.first_layer, + dstDepthSurf, dstX0, dstY0, dstX1, dstY1, + 0.0, pFilter); + } + + if (mask & GL_STENCIL_BUFFER_BIT) { + /* blit stencil only */ + _mesa_problem(ctx, "st_BlitFramebuffer(STENCIL) not completed"); + } + } + } +} + + +void +st_init_blit_functions(struct dd_function_table *functions) +{ + functions->BlitFramebuffer = st_BlitFramebuffer; +} + +#endif /* FEATURE_EXT_framebuffer_blit */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_blit.h b/mesalib/src/mesa/state_tracker/st_cb_blit.h new file mode 100644 index 000000000..fac11f364 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_blit.h @@ -0,0 +1,58 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef ST_CB_BLIT_H +#define ST_CB_BLIT_H + + +#include "main/compiler.h" + +struct dd_function_table; +struct st_context; + + +extern void +st_init_blit(struct st_context *st); + +extern void +st_destroy_blit(struct st_context *st); + +#if FEATURE_EXT_framebuffer_blit + +extern void +st_init_blit_functions(struct dd_function_table *functions); + +#else + +static INLINE void +st_init_blit_functions(struct dd_function_table *functions) +{ +} + +#endif /* FEATURE_EXT_framebuffer_blit */ + +#endif /* ST_CB_BLIT_H */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c b/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c new file mode 100644 index 000000000..ba8a8cf89 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.c @@ -0,0 +1,447 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/** + * Functions for pixel buffer objects and vertex/element buffer objects. + */ + + +#include "main/imports.h" +#include "main/mtypes.h" +#include "main/arrayobj.h" +#include "main/bufferobj.h" + +#include "st_context.h" +#include "st_cb_bufferobjects.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "util/u_inlines.h" + + +/** + * There is some duplication between mesa's bufferobjects and our + * bufmgr buffers. Both have an integer handle and a hashtable to + * lookup an opaque structure. It would be nice if the handles and + * internal structure where somehow shared. + */ +static struct gl_buffer_object * +st_bufferobj_alloc(struct gl_context *ctx, GLuint name, GLenum target) +{ + struct st_buffer_object *st_obj = ST_CALLOC_STRUCT(st_buffer_object); + + if (!st_obj) + return NULL; + + _mesa_initialize_buffer_object(&st_obj->Base, name, target); + + return &st_obj->Base; +} + + + +/** + * Deallocate/free a vertex/pixel buffer object. + * Called via glDeleteBuffersARB(). + */ +static void +st_bufferobj_free(struct gl_context *ctx, struct gl_buffer_object *obj) +{ + struct st_buffer_object *st_obj = st_buffer_object(obj); + + assert(obj->RefCount == 0); + assert(st_obj->transfer == NULL); + + if (st_obj->buffer) + pipe_resource_reference(&st_obj->buffer, NULL); + + free(st_obj); +} + + + +/** + * Replace data in a subrange of buffer object. If the data range + * specified by size + offset extends beyond the end of the buffer or + * if data is NULL, no copy is performed. + * Called via glBufferSubDataARB(). + */ +static void +st_bufferobj_subdata(struct gl_context *ctx, + GLenum target, + GLintptrARB offset, + GLsizeiptrARB size, + const GLvoid * data, struct gl_buffer_object *obj) +{ + struct st_buffer_object *st_obj = st_buffer_object(obj); + + /* we may be called from VBO code, so double-check params here */ + ASSERT(offset >= 0); + ASSERT(size >= 0); + ASSERT(offset + size <= obj->Size); + + if (!size) + return; + + /* + * According to ARB_vertex_buffer_object specification, if data is null, + * then the contents of the buffer object's data store is undefined. We just + * ignore, and leave it unchanged. + */ + if (!data) + return; + + /* Now that transfers are per-context, we don't have to figure out + * flushing here. Usually drivers won't need to flush in this case + * even if the buffer is currently referenced by hardware - they + * just queue the upload as dma rather than mapping the underlying + * buffer directly. + */ + pipe_buffer_write(st_context(ctx)->pipe, + st_obj->buffer, + offset, size, data); +} + + +/** + * Called via glGetBufferSubDataARB(). + */ +static void +st_bufferobj_get_subdata(struct gl_context *ctx, + GLenum target, + GLintptrARB offset, + GLsizeiptrARB size, + GLvoid * data, struct gl_buffer_object *obj) +{ + struct st_buffer_object *st_obj = st_buffer_object(obj); + + /* we may be called from VBO code, so double-check params here */ + ASSERT(offset >= 0); + ASSERT(size >= 0); + ASSERT(offset + size <= obj->Size); + + if (!size) + return; + + pipe_buffer_read(st_context(ctx)->pipe, st_obj->buffer, + offset, size, data); +} + + +/** + * Allocate space for and store data in a buffer object. Any data that was + * previously stored in the buffer object is lost. If data is NULL, + * memory will be allocated, but no copy will occur. + * Called via ctx->Driver.BufferData(). + * \return GL_TRUE for success, GL_FALSE if out of memory + */ +static GLboolean +st_bufferobj_data(struct gl_context *ctx, + GLenum target, + GLsizeiptrARB size, + const GLvoid * data, + GLenum usage, + struct gl_buffer_object *obj) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct st_buffer_object *st_obj = st_buffer_object(obj); + unsigned buffer_usage; + + st_obj->Base.Size = size; + st_obj->Base.Usage = usage; + + switch(target) { + case GL_PIXEL_PACK_BUFFER_ARB: + case GL_PIXEL_UNPACK_BUFFER_ARB: + buffer_usage = PIPE_BIND_RENDER_TARGET; + break; + case GL_ARRAY_BUFFER_ARB: + buffer_usage = PIPE_BIND_VERTEX_BUFFER; + break; + case GL_ELEMENT_ARRAY_BUFFER_ARB: + buffer_usage = PIPE_BIND_INDEX_BUFFER; + break; + default: + buffer_usage = 0; + } + + pipe_resource_reference( &st_obj->buffer, NULL ); + + if (size != 0) { + st_obj->buffer = pipe_buffer_create(pipe->screen, buffer_usage, size); + + if (!st_obj->buffer) { + return GL_FALSE; + } + + if (data) + pipe_buffer_write(st_context(ctx)->pipe, st_obj->buffer, 0, + size, data); + return GL_TRUE; + } + + return GL_TRUE; +} + + +/** + * Dummy data whose's pointer is used for zero size buffers or ranges. + */ +static long st_bufferobj_zero_length = 0; + + + +/** + * Called via glMapBufferARB(). + */ +static void * +st_bufferobj_map(struct gl_context *ctx, GLenum target, GLenum access, + struct gl_buffer_object *obj) +{ + struct st_buffer_object *st_obj = st_buffer_object(obj); + uint flags; + + switch (access) { + case GL_WRITE_ONLY: + flags = PIPE_TRANSFER_WRITE; + break; + case GL_READ_ONLY: + flags = PIPE_TRANSFER_READ; + break; + case GL_READ_WRITE: + default: + flags = PIPE_TRANSFER_READ_WRITE; + break; + } + + /* Handle zero-size buffers here rather than in drivers */ + if (obj->Size == 0) { + obj->Pointer = &st_bufferobj_zero_length; + } + else { + obj->Pointer = pipe_buffer_map(st_context(ctx)->pipe, + st_obj->buffer, + flags, + &st_obj->transfer); + } + + if (obj->Pointer) { + obj->Offset = 0; + obj->Length = obj->Size; + } + return obj->Pointer; +} + + +/** + * Called via glMapBufferRange(). + */ +static void * +st_bufferobj_map_range(struct gl_context *ctx, GLenum target, + GLintptr offset, GLsizeiptr length, GLbitfield access, + struct gl_buffer_object *obj) +{ + struct pipe_context *pipe = st_context(ctx)->pipe; + struct st_buffer_object *st_obj = st_buffer_object(obj); + enum pipe_transfer_usage flags = 0x0; + + if (access & GL_MAP_WRITE_BIT) + flags |= PIPE_TRANSFER_WRITE; + + if (access & GL_MAP_READ_BIT) + flags |= PIPE_TRANSFER_READ; + + if (access & GL_MAP_FLUSH_EXPLICIT_BIT) + flags |= PIPE_TRANSFER_FLUSH_EXPLICIT; + + if (access & GL_MAP_INVALIDATE_RANGE_BIT) + flags |= PIPE_TRANSFER_DISCARD; + + if (access & GL_MAP_INVALIDATE_BUFFER_BIT) + flags |= PIPE_TRANSFER_DISCARD; + + if (access & GL_MAP_UNSYNCHRONIZED_BIT) + flags |= PIPE_TRANSFER_UNSYNCHRONIZED; + + /* ... other flags ... + */ + + if (access & MESA_MAP_NOWAIT_BIT) + flags |= PIPE_TRANSFER_DONTBLOCK; + + assert(offset >= 0); + assert(length >= 0); + assert(offset < obj->Size); + assert(offset + length <= obj->Size); + + /* + * We go out of way here to hide the degenerate yet valid case of zero + * length range from the pipe driver. + */ + if (!length) { + obj->Pointer = &st_bufferobj_zero_length; + } + else { + obj->Pointer = pipe_buffer_map_range(pipe, + st_obj->buffer, + offset, length, + flags, + &st_obj->transfer); + if (obj->Pointer) { + obj->Pointer = (ubyte *) obj->Pointer + offset; + } + } + + if (obj->Pointer) { + obj->Offset = offset; + obj->Length = length; + obj->AccessFlags = access; + } + + return obj->Pointer; +} + + +static void +st_bufferobj_flush_mapped_range(struct gl_context *ctx, GLenum target, + GLintptr offset, GLsizeiptr length, + struct gl_buffer_object *obj) +{ + struct pipe_context *pipe = st_context(ctx)->pipe; + struct st_buffer_object *st_obj = st_buffer_object(obj); + + /* Subrange is relative to mapped range */ + assert(offset >= 0); + assert(length >= 0); + assert(offset + length <= obj->Length); + assert(obj->Pointer); + + if (!length) + return; + + pipe_buffer_flush_mapped_range(pipe, st_obj->transfer, + obj->Offset + offset, length); +} + + +/** + * Called via glUnmapBufferARB(). + */ +static GLboolean +st_bufferobj_unmap(struct gl_context *ctx, GLenum target, struct gl_buffer_object *obj) +{ + struct pipe_context *pipe = st_context(ctx)->pipe; + struct st_buffer_object *st_obj = st_buffer_object(obj); + + if (obj->Length) + pipe_buffer_unmap(pipe, st_obj->transfer); + + st_obj->transfer = NULL; + obj->Pointer = NULL; + obj->Offset = 0; + obj->Length = 0; + return GL_TRUE; +} + + +/** + * Called via glCopyBufferSubData(). + */ +static void +st_copy_buffer_subdata(struct gl_context *ctx, + struct gl_buffer_object *src, + struct gl_buffer_object *dst, + GLintptr readOffset, GLintptr writeOffset, + GLsizeiptr size) +{ + struct pipe_context *pipe = st_context(ctx)->pipe; + struct st_buffer_object *srcObj = st_buffer_object(src); + struct st_buffer_object *dstObj = st_buffer_object(dst); + struct pipe_transfer *src_transfer; + struct pipe_transfer *dst_transfer; + ubyte *srcPtr, *dstPtr; + + if(!size) + return; + + /* buffer should not already be mapped */ + assert(!src->Pointer); + assert(!dst->Pointer); + + srcPtr = (ubyte *) pipe_buffer_map_range(pipe, + srcObj->buffer, + readOffset, size, + PIPE_TRANSFER_READ, + &src_transfer); + + dstPtr = (ubyte *) pipe_buffer_map_range(pipe, + dstObj->buffer, + writeOffset, size, + PIPE_TRANSFER_WRITE, + &dst_transfer); + + if (srcPtr && dstPtr) + memcpy(dstPtr + writeOffset, srcPtr + readOffset, size); + + pipe_buffer_unmap(pipe, src_transfer); + pipe_buffer_unmap(pipe, dst_transfer); +} + + +/* TODO: if buffer wasn't created with appropriate usage flags, need + * to recreate it now and copy contents -- or possibly create a + * gallium entrypoint to extend the usage flags and let the driver + * decide if a copy is necessary. + */ +void +st_bufferobj_validate_usage(struct st_context *st, + struct st_buffer_object *obj, + unsigned usage) +{ +} + + +void +st_init_bufferobject_functions(struct dd_function_table *functions) +{ + functions->NewBufferObject = st_bufferobj_alloc; + functions->DeleteBuffer = st_bufferobj_free; + functions->BufferData = st_bufferobj_data; + functions->BufferSubData = st_bufferobj_subdata; + functions->GetBufferSubData = st_bufferobj_get_subdata; + functions->MapBuffer = st_bufferobj_map; + functions->MapBufferRange = st_bufferobj_map_range; + functions->FlushMappedBufferRange = st_bufferobj_flush_mapped_range; + functions->UnmapBuffer = st_bufferobj_unmap; + functions->CopyBufferSubData = st_copy_buffer_subdata; + + /* For GL_APPLE_vertex_array_object */ + functions->NewArrayObject = _mesa_new_array_object; + functions->DeleteArrayObject = _mesa_delete_array_object; +} diff --git a/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.h b/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.h new file mode 100644 index 000000000..16abaa856 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_bufferobjects.h @@ -0,0 +1,68 @@ +/************************************************************************** + * + * Copyright 2005 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef ST_CB_BUFFEROBJECTS_H +#define ST_CB_BUFFEROBJECTS_H + +#include "main/compiler.h" +#include "main/mtypes.h" + +struct dd_function_table; +struct pipe_resource; +struct st_context; + +/** + * State_tracker vertex/pixel buffer object, derived from Mesa's + * gl_buffer_object. + */ +struct st_buffer_object +{ + struct gl_buffer_object Base; + struct pipe_resource *buffer; /* GPU storage */ + struct pipe_transfer *transfer; /* In-progress map information */ +}; + + +/** cast wrapper */ +static INLINE struct st_buffer_object * +st_buffer_object(struct gl_buffer_object *obj) +{ + return (struct st_buffer_object *) obj; +} + + +extern void +st_bufferobj_validate_usage(struct st_context *st, + struct st_buffer_object *obj, + unsigned usage); + + +extern void +st_init_bufferobject_functions(struct dd_function_table *functions); + + +#endif diff --git a/mesalib/src/mesa/state_tracker/st_cb_clear.c b/mesalib/src/mesa/state_tracker/st_cb_clear.c new file mode 100644 index 000000000..7dd63798d --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_clear.c @@ -0,0 +1,563 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * Copyright 2009 VMware, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + * Brian Paul + * Michel Dänzer + */ + +#include "main/glheader.h" +#include "main/formats.h" +#include "main/macros.h" +#include "program/prog_instruction.h" +#include "st_context.h" +#include "st_atom.h" +#include "st_cb_accum.h" +#include "st_cb_clear.h" +#include "st_cb_fbo.h" +#include "st_program.h" + +#include "pipe/p_context.h" +#include "pipe/p_shader_tokens.h" +#include "pipe/p_state.h" +#include "pipe/p_defines.h" +#include "util/u_format.h" +#include "util/u_inlines.h" +#include "util/u_simple_shaders.h" +#include "util/u_draw_quad.h" + +#include "cso_cache/cso_context.h" + + +/** + * Do per-context initialization for glClear. + */ +void +st_init_clear(struct st_context *st) +{ + struct pipe_context *pipe = st->pipe; + struct pipe_screen *pscreen = st->pipe->screen; + + memset(&st->clear, 0, sizeof(st->clear)); + + st->clear.raster.gl_rasterization_rules = 1; + st->clear.enable_ds_separate = pscreen->get_param(pscreen, PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE); + + /* fragment shader state: color pass-through program */ + st->clear.fs = util_make_fragment_passthrough_shader(pipe); + + /* vertex shader state: color/position pass-through */ + { + const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, + TGSI_SEMANTIC_COLOR }; + const uint semantic_indexes[] = { 0, 0 }; + st->clear.vs = util_make_vertex_passthrough_shader(pipe, 2, + semantic_names, + semantic_indexes); + } +} + + +/** + * Free per-context state for glClear. + */ +void +st_destroy_clear(struct st_context *st) +{ + if (st->clear.fs) { + cso_delete_fragment_shader(st->cso_context, st->clear.fs); + st->clear.fs = NULL; + } + if (st->clear.vs) { + cso_delete_vertex_shader(st->cso_context, st->clear.vs); + st->clear.vs = NULL; + } + if (st->clear.vbuf) { + pipe_resource_reference(&st->clear.vbuf, NULL); + st->clear.vbuf = NULL; + } +} + + +/** + * Draw a screen-aligned quadrilateral. + * Coords are clip coords with y=0=bottom. + */ +static void +draw_quad(struct st_context *st, + float x0, float y0, float x1, float y1, GLfloat z, + const GLfloat color[4]) +{ + struct pipe_context *pipe = st->pipe; + + /* XXX: Need to improve buffer_write to allow NO_WAIT (as well as + * no_flush) updates to buffers where we know there is no conflict + * with previous data. Currently using max_slots > 1 will cause + * synchronous rendering if the driver flushes its command buffers + * between one bitmap and the next. Our flush hook below isn't + * sufficient to catch this as the driver doesn't tell us when it + * flushes its own command buffers. Until this gets fixed, pay the + * price of allocating a new buffer for each bitmap cache-flush to + * avoid synchronous rendering. + */ + const GLuint max_slots = 1; /* 1024 / sizeof(st->clear.vertices); */ + GLuint i; + + if (st->clear.vbuf_slot >= max_slots) { + pipe_resource_reference(&st->clear.vbuf, NULL); + st->clear.vbuf_slot = 0; + } + + if (!st->clear.vbuf) { + st->clear.vbuf = pipe_buffer_create(pipe->screen, + PIPE_BIND_VERTEX_BUFFER, + max_slots * sizeof(st->clear.vertices)); + } + + /* positions */ + st->clear.vertices[0][0][0] = x0; + st->clear.vertices[0][0][1] = y0; + + st->clear.vertices[1][0][0] = x1; + st->clear.vertices[1][0][1] = y0; + + st->clear.vertices[2][0][0] = x1; + st->clear.vertices[2][0][1] = y1; + + st->clear.vertices[3][0][0] = x0; + st->clear.vertices[3][0][1] = y1; + + /* same for all verts: */ + for (i = 0; i < 4; i++) { + st->clear.vertices[i][0][2] = z; + st->clear.vertices[i][0][3] = 1.0; + st->clear.vertices[i][1][0] = color[0]; + st->clear.vertices[i][1][1] = color[1]; + st->clear.vertices[i][1][2] = color[2]; + st->clear.vertices[i][1][3] = color[3]; + } + + /* put vertex data into vbuf */ + pipe_buffer_write_nooverlap(st->pipe, st->clear.vbuf, + st->clear.vbuf_slot + * sizeof(st->clear.vertices), + sizeof(st->clear.vertices), + st->clear.vertices); + + /* draw */ + util_draw_vertex_buffer(pipe, + st->clear.vbuf, + st->clear.vbuf_slot * sizeof(st->clear.vertices), + PIPE_PRIM_TRIANGLE_FAN, + 4, /* verts */ + 2); /* attribs/vert */ + + /* Increment slot */ + st->clear.vbuf_slot++; +} + + + +/** + * Do glClear by drawing a quadrilateral. + * The vertices of the quad will be computed from the + * ctx->DrawBuffer->_X/Ymin/max fields. + */ +static void +clear_with_quad(struct gl_context *ctx, + GLboolean color, GLboolean depth, GLboolean stencil) +{ + struct st_context *st = st_context(ctx); + const struct gl_framebuffer *fb = ctx->DrawBuffer; + const GLfloat fb_width = (GLfloat) fb->Width; + const GLfloat fb_height = (GLfloat) fb->Height; + const GLfloat x0 = (GLfloat) ctx->DrawBuffer->_Xmin / fb_width * 2.0f - 1.0f; + const GLfloat x1 = (GLfloat) ctx->DrawBuffer->_Xmax / fb_width * 2.0f - 1.0f; + const GLfloat y0 = (GLfloat) ctx->DrawBuffer->_Ymin / fb_height * 2.0f - 1.0f; + const GLfloat y1 = (GLfloat) ctx->DrawBuffer->_Ymax / fb_height * 2.0f - 1.0f; + + /* + printf("%s %s%s%s %f,%f %f,%f\n", __FUNCTION__, + color ? "color, " : "", + depth ? "depth, " : "", + stencil ? "stencil" : "", + x0, y0, + x1, y1); + */ + + cso_save_blend(st->cso_context); + cso_save_stencil_ref(st->cso_context); + cso_save_depth_stencil_alpha(st->cso_context); + cso_save_rasterizer(st->cso_context); + cso_save_viewport(st->cso_context); + cso_save_clip(st->cso_context); + cso_save_fragment_shader(st->cso_context); + cso_save_vertex_shader(st->cso_context); + cso_save_vertex_elements(st->cso_context); + + /* blend state: RGBA masking */ + { + struct pipe_blend_state blend; + memset(&blend, 0, sizeof(blend)); + blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE; + blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE; + blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; + blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; + if (color) { + if (ctx->Color.ColorMask[0][0]) + blend.rt[0].colormask |= PIPE_MASK_R; + if (ctx->Color.ColorMask[0][1]) + blend.rt[0].colormask |= PIPE_MASK_G; + if (ctx->Color.ColorMask[0][2]) + blend.rt[0].colormask |= PIPE_MASK_B; + if (ctx->Color.ColorMask[0][3]) + blend.rt[0].colormask |= PIPE_MASK_A; + if (st->ctx->Color.DitherFlag) + blend.dither = 1; + } + cso_set_blend(st->cso_context, &blend); + } + + /* depth_stencil state: always pass/set to ref value */ + { + struct pipe_depth_stencil_alpha_state depth_stencil; + memset(&depth_stencil, 0, sizeof(depth_stencil)); + if (depth) { + depth_stencil.depth.enabled = 1; + depth_stencil.depth.writemask = 1; + depth_stencil.depth.func = PIPE_FUNC_ALWAYS; + } + + if (stencil) { + struct pipe_stencil_ref stencil_ref; + memset(&stencil_ref, 0, sizeof(stencil_ref)); + depth_stencil.stencil[0].enabled = 1; + depth_stencil.stencil[0].func = PIPE_FUNC_ALWAYS; + depth_stencil.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE; + depth_stencil.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE; + depth_stencil.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE; + depth_stencil.stencil[0].valuemask = 0xff; + depth_stencil.stencil[0].writemask = ctx->Stencil.WriteMask[0] & 0xff; + stencil_ref.ref_value[0] = ctx->Stencil.Clear; + cso_set_stencil_ref(st->cso_context, &stencil_ref); + } + + cso_set_depth_stencil_alpha(st->cso_context, &depth_stencil); + } + + cso_set_vertex_elements(st->cso_context, 2, st->velems_util_draw); + + cso_set_rasterizer(st->cso_context, &st->clear.raster); + + /* viewport state: viewport matching window dims */ + { + const GLboolean invert = (st_fb_orientation(fb) == Y_0_TOP); + struct pipe_viewport_state vp; + vp.scale[0] = 0.5f * fb_width; + vp.scale[1] = fb_height * (invert ? -0.5f : 0.5f); + vp.scale[2] = 1.0f; + vp.scale[3] = 1.0f; + vp.translate[0] = 0.5f * fb_width; + vp.translate[1] = 0.5f * fb_height; + vp.translate[2] = 0.0f; + vp.translate[3] = 0.0f; + cso_set_viewport(st->cso_context, &vp); + } + + cso_set_clip(st->cso_context, &st->clear.clip); + cso_set_fragment_shader_handle(st->cso_context, st->clear.fs); + cso_set_vertex_shader_handle(st->cso_context, st->clear.vs); + + /* draw quad matching scissor rect (XXX verify coord round-off) */ + draw_quad(st, x0, y0, x1, y1, + (GLfloat) ctx->Depth.Clear, ctx->Color.ClearColor); + + /* Restore pipe state */ + cso_restore_blend(st->cso_context); + cso_restore_stencil_ref(st->cso_context); + cso_restore_depth_stencil_alpha(st->cso_context); + cso_restore_rasterizer(st->cso_context); + cso_restore_viewport(st->cso_context); + cso_restore_clip(st->cso_context); + cso_restore_fragment_shader(st->cso_context); + cso_restore_vertex_shader(st->cso_context); + cso_restore_vertex_elements(st->cso_context); +} + + +/** + * Determine if we need to clear the depth buffer by drawing a quad. + */ +static INLINE GLboolean +check_clear_color_with_quad(struct gl_context *ctx, struct gl_renderbuffer *rb) +{ + if (ctx->Scissor.Enabled && + (ctx->Scissor.X != 0 || + ctx->Scissor.Y != 0 || + ctx->Scissor.Width < rb->Width || + ctx->Scissor.Height < rb->Height)) + return GL_TRUE; + + if (!ctx->Color.ColorMask[0][0] || + !ctx->Color.ColorMask[0][1] || + !ctx->Color.ColorMask[0][2] || + !ctx->Color.ColorMask[0][3]) + return GL_TRUE; + + return GL_FALSE; +} + + +/** + * Determine if we need to clear the combiend depth/stencil buffer by + * drawing a quad. + */ +static INLINE GLboolean +check_clear_depth_stencil_with_quad(struct gl_context *ctx, struct gl_renderbuffer *rb) +{ + const GLuint stencilMax = 0xff; + GLboolean maskStencil + = (ctx->Stencil.WriteMask[0] & stencilMax) != stencilMax; + + assert(rb->Format == MESA_FORMAT_S8 || + rb->Format == MESA_FORMAT_Z24_S8 || + rb->Format == MESA_FORMAT_S8_Z24); + + if (ctx->Scissor.Enabled && + (ctx->Scissor.X != 0 || + ctx->Scissor.Y != 0 || + ctx->Scissor.Width < rb->Width || + ctx->Scissor.Height < rb->Height)) + return GL_TRUE; + + if (maskStencil) + return GL_TRUE; + + return GL_FALSE; +} + + +/** + * Determine if we need to clear the depth buffer by drawing a quad. + */ +static INLINE GLboolean +check_clear_depth_with_quad(struct gl_context *ctx, struct gl_renderbuffer *rb, + boolean ds_separate) +{ + const struct st_renderbuffer *strb = st_renderbuffer(rb); + const GLboolean isDS = util_format_is_depth_and_stencil(strb->surface->format); + + if (ctx->Scissor.Enabled && + (ctx->Scissor.X != 0 || + ctx->Scissor.Y != 0 || + ctx->Scissor.Width < rb->Width || + ctx->Scissor.Height < rb->Height)) + return GL_TRUE; + + if (!ds_separate && isDS && ctx->DrawBuffer->Visual.stencilBits > 0) + return GL_TRUE; + + return GL_FALSE; +} + + +/** + * Determine if we need to clear the stencil buffer by drawing a quad. + */ +static INLINE GLboolean +check_clear_stencil_with_quad(struct gl_context *ctx, struct gl_renderbuffer *rb, + boolean ds_separate) +{ + const struct st_renderbuffer *strb = st_renderbuffer(rb); + const GLboolean isDS = util_format_is_depth_and_stencil(strb->surface->format); + const GLuint stencilMax = 0xff; + const GLboolean maskStencil + = (ctx->Stencil.WriteMask[0] & stencilMax) != stencilMax; + + assert(rb->Format == MESA_FORMAT_S8 || + rb->Format == MESA_FORMAT_Z24_S8 || + rb->Format == MESA_FORMAT_S8_Z24); + + if (maskStencil) + return GL_TRUE; + + if (ctx->Scissor.Enabled && + (ctx->Scissor.X != 0 || + ctx->Scissor.Y != 0 || + ctx->Scissor.Width < rb->Width || + ctx->Scissor.Height < rb->Height)) + return GL_TRUE; + + /* This is correct, but it is necessary to look at the depth clear + * value held in the surface when it comes time to issue the clear, + * rather than taking depth and stencil clear values from the + * current state. + */ + if (!ds_separate && isDS && ctx->DrawBuffer->Visual.depthBits > 0) + return GL_TRUE; + + return GL_FALSE; +} + + + +/** + * Called when we need to flush. + */ +void +st_flush_clear(struct st_context *st) +{ + /* Release vertex buffer to avoid synchronous rendering if we were + * to map it in the next frame. + */ + pipe_resource_reference(&st->clear.vbuf, NULL); + st->clear.vbuf_slot = 0; +} + + + +/** + * Called via ctx->Driver.Clear() + */ +static void +st_Clear(struct gl_context *ctx, GLbitfield mask) +{ + static const GLbitfield BUFFER_BITS_DS + = (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL); + struct st_context *st = st_context(ctx); + struct gl_renderbuffer *depthRb + = ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer; + struct gl_renderbuffer *stencilRb + = ctx->DrawBuffer->Attachment[BUFFER_STENCIL].Renderbuffer; + GLbitfield quad_buffers = 0x0; + GLbitfield clear_buffers = 0x0; + GLuint i; + + /* This makes sure the pipe has the latest scissor, etc values */ + st_validate_state( st ); + + if (mask & BUFFER_BITS_COLOR) { + for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) { + GLuint b = ctx->DrawBuffer->_ColorDrawBufferIndexes[i]; + + if (mask & (1 << b)) { + struct gl_renderbuffer *rb + = ctx->DrawBuffer->Attachment[b].Renderbuffer; + struct st_renderbuffer *strb; + + assert(rb); + + strb = st_renderbuffer(rb); + + if (!strb->surface) + continue; + + if (check_clear_color_with_quad( ctx, rb )) + quad_buffers |= PIPE_CLEAR_COLOR; + else + clear_buffers |= PIPE_CLEAR_COLOR; + } + } + } + + if ((mask & BUFFER_BITS_DS) == BUFFER_BITS_DS && depthRb == stencilRb) { + /* clearing combined depth + stencil */ + struct st_renderbuffer *strb = st_renderbuffer(depthRb); + + if (strb->surface) { + if (check_clear_depth_stencil_with_quad(ctx, depthRb)) + quad_buffers |= PIPE_CLEAR_DEPTHSTENCIL; + else + clear_buffers |= PIPE_CLEAR_DEPTHSTENCIL; + } + } + else { + /* separate depth/stencil clears */ + /* I don't think truly separate buffers are actually possible in gallium or hw? */ + if (mask & BUFFER_BIT_DEPTH) { + struct st_renderbuffer *strb = st_renderbuffer(depthRb); + + if (strb->surface) { + if (check_clear_depth_with_quad(ctx, depthRb, + st->clear.enable_ds_separate)) + quad_buffers |= PIPE_CLEAR_DEPTH; + else + clear_buffers |= PIPE_CLEAR_DEPTH; + } + } + if (mask & BUFFER_BIT_STENCIL) { + struct st_renderbuffer *strb = st_renderbuffer(stencilRb); + + if (strb->surface) { + if (check_clear_stencil_with_quad(ctx, stencilRb, + st->clear.enable_ds_separate)) + quad_buffers |= PIPE_CLEAR_STENCIL; + else + clear_buffers |= PIPE_CLEAR_STENCIL; + } + } + } + + /* + * If we're going to use clear_with_quad() for any reason, use it for + * everything possible. + */ + if (quad_buffers) { + quad_buffers |= clear_buffers; + clear_with_quad(ctx, + quad_buffers & PIPE_CLEAR_COLOR, + quad_buffers & PIPE_CLEAR_DEPTH, + quad_buffers & PIPE_CLEAR_STENCIL); + } else if (clear_buffers) { + /* driver cannot know it can clear everything if the buffer + * is a combined depth/stencil buffer but this wasn't actually + * required from the visual. Hence fix this up to avoid potential + * read-modify-write in the driver. + */ + if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) && + ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) && + (depthRb == stencilRb) && + (ctx->DrawBuffer->Visual.depthBits == 0 || + ctx->DrawBuffer->Visual.stencilBits == 0)) + clear_buffers |= PIPE_CLEAR_DEPTHSTENCIL; + st->pipe->clear(st->pipe, clear_buffers, ctx->Color.ClearColor, + ctx->Depth.Clear, ctx->Stencil.Clear); + } + if (mask & BUFFER_BIT_ACCUM) + st_clear_accum_buffer(ctx, + ctx->DrawBuffer->Attachment[BUFFER_ACCUM].Renderbuffer); +} + + +void +st_init_clear_functions(struct dd_function_table *functions) +{ + functions->Clear = st_Clear; +} diff --git a/mesalib/src/mesa/state_tracker/st_cb_clear.h b/mesalib/src/mesa/state_tracker/st_cb_clear.h new file mode 100644 index 000000000..8eafae5a4 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_clear.h @@ -0,0 +1,52 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_CB_CLEAR_H +#define ST_CB_CLEAR_H + + +struct dd_function_table; +struct st_context; + +extern void +st_init_clear(struct st_context *st); + + +extern void +st_destroy_clear(struct st_context *st); + +extern void +st_flush_clear(struct st_context *st); + + +extern void +st_init_clear_functions(struct dd_function_table *functions); + + +#endif /* ST_CB_CLEAR_H */ + diff --git a/mesalib/src/mesa/state_tracker/st_cb_condrender.c b/mesalib/src/mesa/state_tracker/st_cb_condrender.c new file mode 100644 index 000000000..679527569 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_condrender.c @@ -0,0 +1,96 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/** + * glBegin/EndCondtionalRender functions + * + * \author Brian Paul + */ + + +#include "main/imports.h" +#include "main/context.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "st_context.h" +#include "st_cb_queryobj.h" +#include "st_cb_condrender.h" + + +/** + * Called via ctx->Driver.BeginConditionalRender() + */ +static void +st_BeginConditionalRender(struct gl_context *ctx, struct gl_query_object *q, + GLenum mode) +{ + struct st_query_object *stq = st_query_object(q); + struct pipe_context *pipe = st_context(ctx)->pipe; + uint m; + + switch (mode) { + case GL_QUERY_WAIT: + m = PIPE_RENDER_COND_WAIT; + break; + case GL_QUERY_NO_WAIT: + m = PIPE_RENDER_COND_NO_WAIT; + break; + case GL_QUERY_BY_REGION_WAIT: + m = PIPE_RENDER_COND_BY_REGION_WAIT; + break; + case GL_QUERY_BY_REGION_NO_WAIT: + m = PIPE_RENDER_COND_BY_REGION_NO_WAIT; + break; + default: + assert(0 && "bad mode in st_BeginConditionalRender"); + m = PIPE_RENDER_COND_WAIT; + } + + pipe->render_condition(pipe, stq->pq, m); +} + + +/** + * Called via ctx->Driver.BeginConditionalRender() + */ +static void +st_EndConditionalRender(struct gl_context *ctx, struct gl_query_object *q) +{ + struct pipe_context *pipe = st_context(ctx)->pipe; + (void) q; + pipe->render_condition(pipe, NULL, 0); +} + + + +void st_init_cond_render_functions(struct dd_function_table *functions) +{ + functions->BeginConditionalRender = st_BeginConditionalRender; + functions->EndConditionalRender = st_EndConditionalRender; +} diff --git a/mesalib/src/mesa/state_tracker/st_cb_condrender.h b/mesalib/src/mesa/state_tracker/st_cb_condrender.h new file mode 100644 index 000000000..24eb09258 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_condrender.h @@ -0,0 +1,37 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef ST_CB_CONDRENDER_H +#define ST_CB_CONDRENDER_H + + +struct dd_function_table; + +extern void st_init_cond_render_functions(struct dd_function_table *functions); + + +#endif diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c new file mode 100644 index 000000000..8a63192d7 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c @@ -0,0 +1,1362 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Brian Paul + */ + +#include "main/imports.h" +#include "main/image.h" +#include "main/bufferobj.h" +#include "main/macros.h" +#include "main/pack.h" +#include "main/texformat.h" +#include "main/texstore.h" +#include "program/program.h" +#include "program/prog_print.h" +#include "program/prog_instruction.h" + +#include "st_atom.h" +#include "st_atom_constbuf.h" +#include "st_cb_drawpixels.h" +#include "st_cb_readpixels.h" +#include "st_cb_fbo.h" +#include "st_context.h" +#include "st_debug.h" +#include "st_format.h" +#include "st_program.h" +#include "st_texture.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "tgsi/tgsi_ureg.h" +#include "util/u_draw_quad.h" +#include "util/u_format.h" +#include "util/u_inlines.h" +#include "util/u_math.h" +#include "util/u_tile.h" +#include "cso_cache/cso_context.h" + + +#if FEATURE_drawpix + +/** + * Check if the given program is: + * 0: MOVE result.color, fragment.color; + * 1: END; + */ +static GLboolean +is_passthrough_program(const struct gl_fragment_program *prog) +{ + if (prog->Base.NumInstructions == 2) { + const struct prog_instruction *inst = prog->Base.Instructions; + if (inst[0].Opcode == OPCODE_MOV && + inst[1].Opcode == OPCODE_END && + inst[0].DstReg.File == PROGRAM_OUTPUT && + inst[0].DstReg.Index == FRAG_RESULT_COLOR && + inst[0].DstReg.WriteMask == WRITEMASK_XYZW && + inst[0].SrcReg[0].File == PROGRAM_INPUT && + inst[0].SrcReg[0].Index == FRAG_ATTRIB_COL0 && + inst[0].SrcReg[0].Swizzle == SWIZZLE_XYZW) { + return GL_TRUE; + } + } + return GL_FALSE; +} + + + +/** + * Make fragment shader for glDraw/CopyPixels. This shader is made + * by combining the pixel transfer shader with the user-defined shader. + * \param fpIn the current/incoming fragment program + * \param fpOut returns the combined fragment program + */ +void +st_make_drawpix_fragment_program(struct st_context *st, + struct gl_fragment_program *fpIn, + struct gl_fragment_program **fpOut) +{ + struct gl_program *newProg; + + if (is_passthrough_program(fpIn)) { + newProg = (struct gl_program *) _mesa_clone_fragment_program(st->ctx, + &st->pixel_xfer.program->Base); + } + else { +#if 0 + /* debug */ + printf("Base program:\n"); + _mesa_print_program(&fpIn->Base); + printf("DrawPix program:\n"); + _mesa_print_program(&st->pixel_xfer.program->Base.Base); +#endif + newProg = _mesa_combine_programs(st->ctx, + &st->pixel_xfer.program->Base.Base, + &fpIn->Base); + } + +#if 0 + /* debug */ + printf("Combined DrawPixels program:\n"); + _mesa_print_program(newProg); + printf("InputsRead: 0x%x\n", newProg->InputsRead); + printf("OutputsWritten: 0x%x\n", newProg->OutputsWritten); + _mesa_print_parameter_list(newProg->Parameters); +#endif + + *fpOut = (struct gl_fragment_program *) newProg; +} + + +/** + * Create fragment program that does a TEX() instruction to get a Z and/or + * stencil value value, then writes to FRAG_RESULT_DEPTH/FRAG_RESULT_STENCIL. + * Used for glDrawPixels(GL_DEPTH_COMPONENT / GL_STENCIL_INDEX). + * Pass fragment color through as-is. + * \return pointer to the gl_fragment program + */ +struct gl_fragment_program * +st_make_drawpix_z_stencil_program(struct st_context *st, + GLboolean write_depth, + GLboolean write_stencil) +{ + struct gl_context *ctx = st->ctx; + struct gl_program *p; + struct gl_fragment_program *fp; + GLuint ic = 0; + const GLuint shaderIndex = write_depth * 2 + write_stencil; + + assert(shaderIndex < Elements(st->drawpix.shaders)); + + if (st->drawpix.shaders[shaderIndex]) { + /* already have the proper shader */ + return st->drawpix.shaders[shaderIndex]; + } + + /* + * Create shader now + */ + p = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0); + if (!p) + return NULL; + + p->NumInstructions = write_depth ? 2 : 1; + p->NumInstructions += write_stencil ? 1 : 0; + + p->Instructions = _mesa_alloc_instructions(p->NumInstructions); + if (!p->Instructions) { + ctx->Driver.DeleteProgram(ctx, p); + return NULL; + } + _mesa_init_instructions(p->Instructions, p->NumInstructions); + + if (write_depth) { + /* TEX result.depth, fragment.texcoord[0], texture[0], 2D; */ + p->Instructions[ic].Opcode = OPCODE_TEX; + p->Instructions[ic].DstReg.File = PROGRAM_OUTPUT; + p->Instructions[ic].DstReg.Index = FRAG_RESULT_DEPTH; + p->Instructions[ic].DstReg.WriteMask = WRITEMASK_Z; + p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT; + p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0; + p->Instructions[ic].TexSrcUnit = 0; + p->Instructions[ic].TexSrcTarget = TEXTURE_2D_INDEX; + ic++; + } + + if (write_stencil) { + /* TEX result.stencil, fragment.texcoord[0], texture[0], 2D; */ + p->Instructions[ic].Opcode = OPCODE_TEX; + p->Instructions[ic].DstReg.File = PROGRAM_OUTPUT; + p->Instructions[ic].DstReg.Index = FRAG_RESULT_STENCIL; + p->Instructions[ic].DstReg.WriteMask = WRITEMASK_Y; + p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT; + p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0; + p->Instructions[ic].TexSrcUnit = 1; + p->Instructions[ic].TexSrcTarget = TEXTURE_2D_INDEX; + ic++; + } + + /* END; */ + p->Instructions[ic++].Opcode = OPCODE_END; + + assert(ic == p->NumInstructions); + + p->InputsRead = FRAG_BIT_TEX0 | FRAG_BIT_COL0; + p->OutputsWritten = 0; + if (write_depth) + p->OutputsWritten |= (1 << FRAG_RESULT_DEPTH); + if (write_stencil) + p->OutputsWritten |= (1 << FRAG_RESULT_STENCIL); + + p->SamplersUsed = 0x1; /* sampler 0 (bit 0) is used */ + if (write_stencil) + p->SamplersUsed |= 1 << 1; + + fp = (struct gl_fragment_program *) p; + + /* save the new shader */ + st->drawpix.shaders[shaderIndex] = fp; + + return fp; +} + + +/** + * Create a simple vertex shader that just passes through the + * vertex position and texcoord (and optionally, color). + */ +static void * +make_passthrough_vertex_shader(struct st_context *st, + GLboolean passColor) +{ + if (!st->drawpix.vert_shaders[passColor]) { + struct ureg_program *ureg = ureg_create( TGSI_PROCESSOR_VERTEX ); + + if (ureg == NULL) + return NULL; + + /* MOV result.pos, vertex.pos; */ + ureg_MOV(ureg, + ureg_DECL_output( ureg, TGSI_SEMANTIC_POSITION, 0 ), + ureg_DECL_vs_input( ureg, 0 )); + + /* MOV result.texcoord0, vertex.attr[1]; */ + ureg_MOV(ureg, + ureg_DECL_output( ureg, TGSI_SEMANTIC_GENERIC, 0 ), + ureg_DECL_vs_input( ureg, 1 )); + + if (passColor) { + /* MOV result.color0, vertex.attr[2]; */ + ureg_MOV(ureg, + ureg_DECL_output( ureg, TGSI_SEMANTIC_COLOR, 0 ), + ureg_DECL_vs_input( ureg, 2 )); + } + + ureg_END( ureg ); + + st->drawpix.vert_shaders[passColor] = + ureg_create_shader_and_destroy( ureg, st->pipe ); + } + + return st->drawpix.vert_shaders[passColor]; +} + + +/** + * Return a texture base format for drawing/copying an image + * of the given format. + */ +static GLenum +base_format(GLenum format) +{ + switch (format) { + case GL_DEPTH_COMPONENT: + return GL_DEPTH_COMPONENT; + case GL_DEPTH_STENCIL: + return GL_DEPTH_STENCIL; + case GL_STENCIL_INDEX: + return GL_STENCIL_INDEX; + default: + return GL_RGBA; + } +} + + +/** + * Return a texture internalFormat for drawing/copying an image + * of the given format and type. + */ +static GLenum +internal_format(GLenum format, GLenum type) +{ + switch (format) { + case GL_DEPTH_COMPONENT: + return GL_DEPTH_COMPONENT; + case GL_DEPTH_STENCIL: + return GL_DEPTH_STENCIL; + case GL_STENCIL_INDEX: + return GL_STENCIL_INDEX; + default: + if (_mesa_is_integer_format(format)) { + switch (type) { + case GL_BYTE: + return GL_RGBA8I; + case GL_UNSIGNED_BYTE: + return GL_RGBA8UI; + case GL_SHORT: + return GL_RGBA16I; + case GL_UNSIGNED_SHORT: + return GL_RGBA16UI; + case GL_INT: + return GL_RGBA32I; + case GL_UNSIGNED_INT: + return GL_RGBA32UI; + default: + assert(0 && "Unexpected type in internal_format()"); + return GL_RGBA_INTEGER; + } + } + else { + return GL_RGBA; + } + } +} + + +/** + * Create a temporary texture to hold an image of the given size. + * If width, height are not POT and the driver only handles POT textures, + * allocate the next larger size of texture that is POT. + */ +static struct pipe_resource * +alloc_texture(struct st_context *st, GLsizei width, GLsizei height, + enum pipe_format texFormat) +{ + struct pipe_resource *pt; + + pt = st_texture_create(st, st->internal_target, texFormat, 0, + width, height, 1, PIPE_BIND_SAMPLER_VIEW); + + return pt; +} + + +/** + * Make texture containing an image for glDrawPixels image. + * If 'pixels' is NULL, leave the texture image data undefined. + */ +static struct pipe_resource * +make_texture(struct st_context *st, + GLsizei width, GLsizei height, GLenum format, GLenum type, + const struct gl_pixelstore_attrib *unpack, + const GLvoid *pixels) +{ + struct gl_context *ctx = st->ctx; + struct pipe_context *pipe = st->pipe; + gl_format mformat; + struct pipe_resource *pt; + enum pipe_format pipeFormat; + GLuint cpp; + GLenum baseFormat, intFormat; + + baseFormat = base_format(format); + intFormat = internal_format(format, type); + + mformat = st_ChooseTextureFormat_renderable(ctx, intFormat, + format, type, GL_FALSE); + assert(mformat); + + pipeFormat = st_mesa_format_to_pipe_format(mformat); + assert(pipeFormat); + cpp = util_format_get_blocksize(pipeFormat); + + pixels = _mesa_map_pbo_source(ctx, unpack, pixels); + if (!pixels) + return NULL; + + /* alloc temporary texture */ + pt = alloc_texture(st, width, height, pipeFormat); + if (!pt) { + _mesa_unmap_pbo_source(ctx, unpack); + return NULL; + } + + { + struct pipe_transfer *transfer; + static const GLuint dstImageOffsets = 0; + GLboolean success; + GLubyte *dest; + const GLbitfield imageTransferStateSave = ctx->_ImageTransferState; + + /* we'll do pixel transfer in a fragment shader */ + ctx->_ImageTransferState = 0x0; + + transfer = pipe_get_transfer(st->pipe, pt, 0, 0, + PIPE_TRANSFER_WRITE, 0, 0, + width, height); + + /* map texture transfer */ + dest = pipe_transfer_map(pipe, transfer); + + + /* Put image into texture transfer. + * Note that the image is actually going to be upside down in + * the texture. We deal with that with texcoords. + */ + success = _mesa_texstore(ctx, 2, /* dims */ + baseFormat, /* baseInternalFormat */ + mformat, /* gl_format */ + dest, /* dest */ + 0, 0, 0, /* dstX/Y/Zoffset */ + transfer->stride, /* dstRowStride, bytes */ + &dstImageOffsets, /* dstImageOffsets */ + width, height, 1, /* size */ + format, type, /* src format/type */ + pixels, /* data source */ + unpack); + + /* unmap */ + pipe_transfer_unmap(pipe, transfer); + pipe->transfer_destroy(pipe, transfer); + + assert(success); + + /* restore */ + ctx->_ImageTransferState = imageTransferStateSave; + } + + _mesa_unmap_pbo_source(ctx, unpack); + + return pt; +} + + +/** + * Draw quad with texcoords and optional color. + * Coords are gallium window coords with y=0=top. + * \param color may be null + * \param invertTex if true, flip texcoords vertically + */ +static void +draw_quad(struct gl_context *ctx, GLfloat x0, GLfloat y0, GLfloat z, + GLfloat x1, GLfloat y1, const GLfloat *color, + GLboolean invertTex, GLfloat maxXcoord, GLfloat maxYcoord) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + GLfloat verts[4][3][4]; /* four verts, three attribs, XYZW */ + + /* setup vertex data */ + { + const struct gl_framebuffer *fb = st->ctx->DrawBuffer; + const GLfloat fb_width = (GLfloat) fb->Width; + const GLfloat fb_height = (GLfloat) fb->Height; + const GLfloat clip_x0 = x0 / fb_width * 2.0f - 1.0f; + const GLfloat clip_y0 = y0 / fb_height * 2.0f - 1.0f; + const GLfloat clip_x1 = x1 / fb_width * 2.0f - 1.0f; + const GLfloat clip_y1 = y1 / fb_height * 2.0f - 1.0f; + const GLfloat sLeft = 0.0f, sRight = maxXcoord; + const GLfloat tTop = invertTex ? maxYcoord : 0.0f; + const GLfloat tBot = invertTex ? 0.0f : maxYcoord; + GLuint i; + + /* upper-left */ + verts[0][0][0] = clip_x0; /* v[0].attr[0].x */ + verts[0][0][1] = clip_y0; /* v[0].attr[0].y */ + + /* upper-right */ + verts[1][0][0] = clip_x1; + verts[1][0][1] = clip_y0; + + /* lower-right */ + verts[2][0][0] = clip_x1; + verts[2][0][1] = clip_y1; + + /* lower-left */ + verts[3][0][0] = clip_x0; + verts[3][0][1] = clip_y1; + + verts[0][1][0] = sLeft; /* v[0].attr[1].S */ + verts[0][1][1] = tTop; /* v[0].attr[1].T */ + verts[1][1][0] = sRight; + verts[1][1][1] = tTop; + verts[2][1][0] = sRight; + verts[2][1][1] = tBot; + verts[3][1][0] = sLeft; + verts[3][1][1] = tBot; + + /* same for all verts: */ + if (color) { + for (i = 0; i < 4; i++) { + verts[i][0][2] = z; /* v[i].attr[0].z */ + verts[i][0][3] = 1.0f; /* v[i].attr[0].w */ + verts[i][2][0] = color[0]; /* v[i].attr[2].r */ + verts[i][2][1] = color[1]; /* v[i].attr[2].g */ + verts[i][2][2] = color[2]; /* v[i].attr[2].b */ + verts[i][2][3] = color[3]; /* v[i].attr[2].a */ + verts[i][1][2] = 0.0f; /* v[i].attr[1].R */ + verts[i][1][3] = 1.0f; /* v[i].attr[1].Q */ + } + } + else { + for (i = 0; i < 4; i++) { + verts[i][0][2] = z; /*Z*/ + verts[i][0][3] = 1.0f; /*W*/ + verts[i][1][2] = 0.0f; /*R*/ + verts[i][1][3] = 1.0f; /*Q*/ + } + } + } + + { + struct pipe_resource *buf; + + /* allocate/load buffer object with vertex data */ + buf = pipe_buffer_create(pipe->screen, + PIPE_BIND_VERTEX_BUFFER, + sizeof(verts)); + pipe_buffer_write(st->pipe, buf, 0, sizeof(verts), verts); + + util_draw_vertex_buffer(pipe, buf, 0, + PIPE_PRIM_QUADS, + 4, /* verts */ + 3); /* attribs/vert */ + pipe_resource_reference(&buf, NULL); + } +} + + + +static void +draw_textured_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z, + GLsizei width, GLsizei height, + GLfloat zoomX, GLfloat zoomY, + struct pipe_sampler_view **sv, + int num_sampler_view, + void *driver_vp, + void *driver_fp, + const GLfloat *color, + GLboolean invertTex, + GLboolean write_depth, GLboolean write_stencil) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct cso_context *cso = st->cso_context; + GLfloat x0, y0, x1, y1; + GLsizei maxSize; + boolean normalized = sv[0]->texture->target != PIPE_TEXTURE_RECT; + + /* limit checks */ + /* XXX if DrawPixels image is larger than max texture size, break + * it up into chunks. + */ + maxSize = 1 << (pipe->screen->get_param(pipe->screen, + PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1); + assert(width <= maxSize); + assert(height <= maxSize); + + cso_save_rasterizer(cso); + cso_save_viewport(cso); + cso_save_samplers(cso); + cso_save_fragment_sampler_views(cso); + cso_save_fragment_shader(cso); + cso_save_vertex_shader(cso); + cso_save_vertex_elements(cso); + if (write_stencil) { + cso_save_depth_stencil_alpha(cso); + cso_save_blend(cso); + } + + /* rasterizer state: just scissor */ + { + struct pipe_rasterizer_state rasterizer; + memset(&rasterizer, 0, sizeof(rasterizer)); + rasterizer.gl_rasterization_rules = 1; + rasterizer.scissor = ctx->Scissor.Enabled; + cso_set_rasterizer(cso, &rasterizer); + } + + if (write_stencil) { + /* Stencil writing bypasses the normal fragment pipeline to + * disable color writing and set stencil test to always pass. + */ + struct pipe_depth_stencil_alpha_state dsa; + struct pipe_blend_state blend; + + /* depth/stencil */ + memset(&dsa, 0, sizeof(dsa)); + dsa.stencil[0].enabled = 1; + dsa.stencil[0].func = PIPE_FUNC_ALWAYS; + dsa.stencil[0].writemask = ctx->Stencil.WriteMask[0] & 0xff; + dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE; + if (write_depth) { + /* writing depth+stencil: depth test always passes */ + dsa.depth.enabled = 1; + dsa.depth.writemask = ctx->Depth.Mask; + dsa.depth.func = PIPE_FUNC_ALWAYS; + } + cso_set_depth_stencil_alpha(cso, &dsa); + + /* blend (colormask) */ + memset(&blend, 0, sizeof(blend)); + cso_set_blend(cso, &blend); + } + + /* fragment shader state: TEX lookup program */ + cso_set_fragment_shader_handle(cso, driver_fp); + + /* vertex shader state: position + texcoord pass-through */ + cso_set_vertex_shader_handle(cso, driver_vp); + + + /* texture sampling state: */ + { + struct pipe_sampler_state sampler; + memset(&sampler, 0, sizeof(sampler)); + sampler.wrap_s = PIPE_TEX_WRAP_CLAMP; + sampler.wrap_t = PIPE_TEX_WRAP_CLAMP; + sampler.wrap_r = PIPE_TEX_WRAP_CLAMP; + sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; + sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; + sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; + sampler.normalized_coords = normalized; + + cso_single_sampler(cso, 0, &sampler); + if (num_sampler_view > 1) { + cso_single_sampler(cso, 1, &sampler); + } + cso_single_sampler_done(cso); + } + + /* viewport state: viewport matching window dims */ + { + const float w = (float) ctx->DrawBuffer->Width; + const float h = (float) ctx->DrawBuffer->Height; + struct pipe_viewport_state vp; + vp.scale[0] = 0.5f * w; + vp.scale[1] = -0.5f * h; + vp.scale[2] = 0.5f; + vp.scale[3] = 1.0f; + vp.translate[0] = 0.5f * w; + vp.translate[1] = 0.5f * h; + vp.translate[2] = 0.5f; + vp.translate[3] = 0.0f; + cso_set_viewport(cso, &vp); + } + + cso_set_vertex_elements(cso, 3, st->velems_util_draw); + + /* texture state: */ + cso_set_fragment_sampler_views(cso, num_sampler_view, sv); + + /* Compute Gallium window coords (y=0=top) with pixel zoom. + * Recall that these coords are transformed by the current + * vertex shader and viewport transformation. + */ + if (st_fb_orientation(ctx->DrawBuffer) == Y_0_BOTTOM) { + y = ctx->DrawBuffer->Height - (int) (y + height * ctx->Pixel.ZoomY); + invertTex = !invertTex; + } + + x0 = (GLfloat) x; + x1 = x + width * ctx->Pixel.ZoomX; + y0 = (GLfloat) y; + y1 = y + height * ctx->Pixel.ZoomY; + + /* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */ + z = z * 2.0 - 1.0; + + draw_quad(ctx, x0, y0, z, x1, y1, color, invertTex, + normalized ? ((GLfloat) width / sv[0]->texture->width0) : (GLfloat)width, + normalized ? ((GLfloat) height / sv[0]->texture->height0) : (GLfloat)height); + + /* restore state */ + cso_restore_rasterizer(cso); + cso_restore_viewport(cso); + cso_restore_samplers(cso); + cso_restore_fragment_sampler_views(cso); + cso_restore_fragment_shader(cso); + cso_restore_vertex_shader(cso); + cso_restore_vertex_elements(cso); + if (write_stencil) { + cso_restore_depth_stencil_alpha(cso); + cso_restore_blend(cso); + } +} + + +/** + * Software fallback to do glDrawPixels(GL_STENCIL_INDEX) when we + * can't use a fragment shader to write stencil values. + */ +static void +draw_stencil_pixels(struct gl_context *ctx, GLint x, GLint y, + GLsizei width, GLsizei height, GLenum format, GLenum type, + const struct gl_pixelstore_attrib *unpack, + const GLvoid *pixels) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct st_renderbuffer *strb; + enum pipe_transfer_usage usage; + struct pipe_transfer *pt; + const GLboolean zoom = ctx->Pixel.ZoomX != 1.0 || ctx->Pixel.ZoomY != 1.0; + GLint skipPixels; + ubyte *stmap; + struct gl_pixelstore_attrib clippedUnpack = *unpack; + + if (!zoom) { + if (!_mesa_clip_drawpixels(ctx, &x, &y, &width, &height, + &clippedUnpack)) { + /* totally clipped */ + return; + } + } + + strb = st_renderbuffer(ctx->DrawBuffer-> + Attachment[BUFFER_STENCIL].Renderbuffer); + + if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) { + y = ctx->DrawBuffer->Height - y - height; + } + + if(format != GL_DEPTH_STENCIL && + util_format_get_component_bits(strb->format, + UTIL_FORMAT_COLORSPACE_ZS, 0) != 0) + usage = PIPE_TRANSFER_READ_WRITE; + else + usage = PIPE_TRANSFER_WRITE; + + pt = pipe_get_transfer(st_context(ctx)->pipe, strb->texture, 0, 0, + usage, x, y, + width, height); + + stmap = pipe_transfer_map(pipe, pt); + + pixels = _mesa_map_pbo_source(ctx, &clippedUnpack, pixels); + assert(pixels); + + /* if width > MAX_WIDTH, have to process image in chunks */ + skipPixels = 0; + while (skipPixels < width) { + const GLint spanX = skipPixels; + const GLint spanWidth = MIN2(width - skipPixels, MAX_WIDTH); + GLint row; + for (row = 0; row < height; row++) { + GLubyte sValues[MAX_WIDTH]; + GLuint zValues[MAX_WIDTH]; + GLenum destType = GL_UNSIGNED_BYTE; + const GLvoid *source = _mesa_image_address2d(&clippedUnpack, pixels, + width, height, + format, type, + row, skipPixels); + _mesa_unpack_stencil_span(ctx, spanWidth, destType, sValues, + type, source, &clippedUnpack, + ctx->_ImageTransferState); + + if (format == GL_DEPTH_STENCIL) { + _mesa_unpack_depth_span(ctx, spanWidth, GL_UNSIGNED_INT, zValues, + (1 << 24) - 1, type, source, + &clippedUnpack); + } + + if (zoom) { + _mesa_problem(ctx, "Gallium glDrawPixels(GL_STENCIL) with " + "zoom not complete"); + } + + { + GLint spanY; + + if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) { + spanY = height - row - 1; + } + else { + spanY = row; + } + + /* now pack the stencil (and Z) values in the dest format */ + switch (pt->resource->format) { + case PIPE_FORMAT_S8_USCALED: + { + ubyte *dest = stmap + spanY * pt->stride + spanX; + assert(usage == PIPE_TRANSFER_WRITE); + memcpy(dest, sValues, spanWidth); + } + break; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + if (format == GL_DEPTH_STENCIL) { + uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4); + GLint k; + assert(usage == PIPE_TRANSFER_WRITE); + for (k = 0; k < spanWidth; k++) { + dest[k] = zValues[k] | (sValues[k] << 24); + } + } + else { + uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4); + GLint k; + assert(usage == PIPE_TRANSFER_READ_WRITE); + for (k = 0; k < spanWidth; k++) { + dest[k] = (dest[k] & 0xffffff) | (sValues[k] << 24); + } + } + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + if (format == GL_DEPTH_STENCIL) { + uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4); + GLint k; + assert(usage == PIPE_TRANSFER_WRITE); + for (k = 0; k < spanWidth; k++) { + dest[k] = (zValues[k] << 8) | (sValues[k] & 0xff); + } + } + else { + uint *dest = (uint *) (stmap + spanY * pt->stride + spanX*4); + GLint k; + assert(usage == PIPE_TRANSFER_READ_WRITE); + for (k = 0; k < spanWidth; k++) { + dest[k] = (dest[k] & 0xffffff00) | (sValues[k] & 0xff); + } + } + break; + default: + assert(0); + } + } + } + skipPixels += spanWidth; + } + + _mesa_unmap_pbo_source(ctx, &clippedUnpack); + + /* unmap the stencil buffer */ + pipe_transfer_unmap(pipe, pt); + pipe->transfer_destroy(pipe, pt); +} + + +/** + * Get fragment program variant for a glDrawPixels or glCopyPixels + * command for RGBA data. + */ +static struct st_fp_variant * +get_color_fp_variant(struct st_context *st) +{ + struct gl_context *ctx = st->ctx; + struct st_fp_variant_key key; + struct st_fp_variant *fpv; + + memset(&key, 0, sizeof(key)); + + key.st = st; + key.drawpixels = 1; + key.scaleAndBias = (ctx->Pixel.RedBias != 0.0 || + ctx->Pixel.RedScale != 1.0 || + ctx->Pixel.GreenBias != 0.0 || + ctx->Pixel.GreenScale != 1.0 || + ctx->Pixel.BlueBias != 0.0 || + ctx->Pixel.BlueScale != 1.0 || + ctx->Pixel.AlphaBias != 0.0 || + ctx->Pixel.AlphaScale != 1.0); + key.pixelMaps = ctx->Pixel.MapColorFlag; + + fpv = st_get_fp_variant(st, st->fp, &key); + + return fpv; +} + + +/** + * Get fragment program variant for a glDrawPixels or glCopyPixels + * command for depth/stencil data. + */ +static struct st_fp_variant * +get_depth_stencil_fp_variant(struct st_context *st, GLboolean write_depth, + GLboolean write_stencil) +{ + struct st_fp_variant_key key; + struct st_fp_variant *fpv; + + memset(&key, 0, sizeof(key)); + + key.st = st; + key.drawpixels = 1; + key.drawpixels_z = write_depth; + key.drawpixels_stencil = write_stencil; + + fpv = st_get_fp_variant(st, st->fp, &key); + + return fpv; +} + + +/** + * Called via ctx->Driver.DrawPixels() + */ +static void +st_DrawPixels(struct gl_context *ctx, GLint x, GLint y, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *unpack, const GLvoid *pixels) +{ + void *driver_vp, *driver_fp; + struct st_context *st = st_context(ctx); + const GLfloat *color; + struct pipe_context *pipe = st->pipe; + GLboolean write_stencil = GL_FALSE, write_depth = GL_FALSE; + struct pipe_sampler_view *sv[2]; + int num_sampler_view = 1; + enum pipe_format stencil_format = PIPE_FORMAT_NONE; + struct st_fp_variant *fpv; + + if (format == GL_DEPTH_STENCIL) + write_stencil = write_depth = GL_TRUE; + else if (format == GL_STENCIL_INDEX) + write_stencil = GL_TRUE; + else if (format == GL_DEPTH_COMPONENT) + write_depth = GL_TRUE; + + if (write_stencil) { + enum pipe_format tex_format; + /* can we write to stencil if not fallback */ + if (!pipe->screen->get_param(pipe->screen, PIPE_CAP_SHADER_STENCIL_EXPORT)) + goto stencil_fallback; + + tex_format = st_choose_format(st->pipe->screen, base_format(format), + PIPE_TEXTURE_2D, + 0, PIPE_BIND_SAMPLER_VIEW); + if (tex_format == PIPE_FORMAT_Z24_UNORM_S8_USCALED) + stencil_format = PIPE_FORMAT_X24S8_USCALED; + else if (tex_format == PIPE_FORMAT_S8_USCALED_Z24_UNORM) + stencil_format = PIPE_FORMAT_S8X24_USCALED; + else + stencil_format = PIPE_FORMAT_S8_USCALED; + if (stencil_format == PIPE_FORMAT_NONE) + goto stencil_fallback; + } + + /* Mesa state should be up to date by now */ + assert(ctx->NewState == 0x0); + + st_validate_state(st); + + /* + * Get vertex/fragment shaders + */ + if (write_depth || write_stencil) { + fpv = get_depth_stencil_fp_variant(st, write_depth, write_stencil); + + driver_fp = fpv->driver_shader; + + driver_vp = make_passthrough_vertex_shader(st, GL_TRUE); + + color = ctx->Current.RasterColor; + } + else { + fpv = get_color_fp_variant(st); + + driver_fp = fpv->driver_shader; + + driver_vp = make_passthrough_vertex_shader(st, GL_FALSE); + + color = NULL; + if (st->pixel_xfer.pixelmap_enabled) { + sv[1] = st->pixel_xfer.pixelmap_sampler_view; + num_sampler_view++; + } + } + + /* update fragment program constants */ + st_upload_constants(st, fpv->parameters, PIPE_SHADER_FRAGMENT); + + /* draw with textured quad */ + { + struct pipe_resource *pt + = make_texture(st, width, height, format, type, unpack, pixels); + if (pt) { + sv[0] = st_create_texture_sampler_view(st->pipe, pt); + + if (sv[0]) { + if (write_stencil) { + sv[1] = st_create_texture_sampler_view_format(st->pipe, pt, + stencil_format); + num_sampler_view++; + } + + draw_textured_quad(ctx, x, y, ctx->Current.RasterPos[2], + width, height, + ctx->Pixel.ZoomX, ctx->Pixel.ZoomY, + sv, + num_sampler_view, + driver_vp, + driver_fp, + color, GL_FALSE, write_depth, write_stencil); + pipe_sampler_view_reference(&sv[0], NULL); + if (num_sampler_view > 1) + pipe_sampler_view_reference(&sv[1], NULL); + } + pipe_resource_reference(&pt, NULL); + } + } + return; + +stencil_fallback: + draw_stencil_pixels(ctx, x, y, width, height, format, type, + unpack, pixels); +} + + + +/** + * Software fallback for glCopyPixels(GL_STENCIL). + */ +static void +copy_stencil_pixels(struct gl_context *ctx, GLint srcx, GLint srcy, + GLsizei width, GLsizei height, + GLint dstx, GLint dsty) +{ + struct st_renderbuffer *rbDraw; + struct pipe_context *pipe = st_context(ctx)->pipe; + enum pipe_transfer_usage usage; + struct pipe_transfer *ptDraw; + ubyte *drawMap; + ubyte *buffer; + int i; + + buffer = malloc(width * height * sizeof(ubyte)); + if (!buffer) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels(stencil)"); + return; + } + + /* Get the dest renderbuffer. If there's a wrapper, use the + * underlying renderbuffer. + */ + rbDraw = st_renderbuffer(ctx->DrawBuffer->_StencilBuffer); + if (rbDraw->Base.Wrapped) + rbDraw = st_renderbuffer(rbDraw->Base.Wrapped); + + /* this will do stencil pixel transfer ops */ + st_read_stencil_pixels(ctx, srcx, srcy, width, height, + GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, + &ctx->DefaultPacking, buffer); + + if (0) { + /* debug code: dump stencil values */ + GLint row, col; + for (row = 0; row < height; row++) { + printf("%3d: ", row); + for (col = 0; col < width; col++) { + printf("%02x ", buffer[col + row * width]); + } + printf("\n"); + } + } + + if (util_format_get_component_bits(rbDraw->format, + UTIL_FORMAT_COLORSPACE_ZS, 0) != 0) + usage = PIPE_TRANSFER_READ_WRITE; + else + usage = PIPE_TRANSFER_WRITE; + + if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) { + dsty = rbDraw->Base.Height - dsty - height; + } + + ptDraw = pipe_get_transfer(st_context(ctx)->pipe, + rbDraw->texture, 0, 0, + usage, dstx, dsty, + width, height); + + assert(util_format_get_blockwidth(ptDraw->resource->format) == 1); + assert(util_format_get_blockheight(ptDraw->resource->format) == 1); + + /* map the stencil buffer */ + drawMap = pipe_transfer_map(pipe, ptDraw); + + /* draw */ + /* XXX PixelZoom not handled yet */ + for (i = 0; i < height; i++) { + ubyte *dst; + const ubyte *src; + int y; + + y = i; + + if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) { + y = height - y - 1; + } + + dst = drawMap + y * ptDraw->stride; + src = buffer + i * width; + + switch (ptDraw->resource->format) { + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + { + uint *dst4 = (uint *) dst; + int j; + assert(usage == PIPE_TRANSFER_READ_WRITE); + for (j = 0; j < width; j++) { + *dst4 = (*dst4 & 0xffffff) | (src[j] << 24); + dst4++; + } + } + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + { + uint *dst4 = (uint *) dst; + int j; + assert(usage == PIPE_TRANSFER_READ_WRITE); + for (j = 0; j < width; j++) { + *dst4 = (*dst4 & 0xffffff00) | (src[j] & 0xff); + dst4++; + } + } + break; + case PIPE_FORMAT_S8_USCALED: + assert(usage == PIPE_TRANSFER_WRITE); + memcpy(dst, src, width); + break; + default: + assert(0); + } + } + + free(buffer); + + /* unmap the stencil buffer */ + pipe_transfer_unmap(pipe, ptDraw); + pipe->transfer_destroy(pipe, ptDraw); +} + + +static void +st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy, + GLsizei width, GLsizei height, + GLint dstx, GLint dsty, GLenum type) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct pipe_screen *screen = pipe->screen; + struct st_renderbuffer *rbRead; + void *driver_vp, *driver_fp; + struct pipe_resource *pt; + struct pipe_sampler_view *sv[2]; + int num_sampler_view = 1; + GLfloat *color; + enum pipe_format srcFormat, texFormat; + GLboolean invertTex = GL_FALSE; + GLint readX, readY, readW, readH; + GLuint sample_count; + struct gl_pixelstore_attrib pack = ctx->DefaultPacking; + struct st_fp_variant *fpv; + + st_validate_state(st); + + if (type == GL_STENCIL) { + /* can't use texturing to do stencil */ + copy_stencil_pixels(ctx, srcx, srcy, width, height, dstx, dsty); + return; + } + + /* + * Get vertex/fragment shaders + */ + if (type == GL_COLOR) { + rbRead = st_get_color_read_renderbuffer(ctx); + color = NULL; + + fpv = get_color_fp_variant(st); + driver_fp = fpv->driver_shader; + + driver_vp = make_passthrough_vertex_shader(st, GL_FALSE); + + if (st->pixel_xfer.pixelmap_enabled) { + sv[1] = st->pixel_xfer.pixelmap_sampler_view; + num_sampler_view++; + } + } + else { + assert(type == GL_DEPTH); + rbRead = st_renderbuffer(ctx->ReadBuffer->_DepthBuffer); + color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0]; + + fpv = get_depth_stencil_fp_variant(st, GL_TRUE, GL_FALSE); + driver_fp = fpv->driver_shader; + + driver_vp = make_passthrough_vertex_shader(st, GL_TRUE); + } + + /* update fragment program constants */ + st_upload_constants(st, fpv->parameters, PIPE_SHADER_FRAGMENT); + + + if (rbRead->Base.Wrapped) + rbRead = st_renderbuffer(rbRead->Base.Wrapped); + + sample_count = rbRead->texture->nr_samples; + /* I believe this would be legal, presumably would need to do a resolve + for color, and for depth/stencil spec says to just use one of the + depth/stencil samples per pixel? Need some transfer clarifications. */ + assert(sample_count < 2); + + srcFormat = rbRead->texture->format; + + if (screen->is_format_supported(screen, srcFormat, st->internal_target, + sample_count, + PIPE_BIND_SAMPLER_VIEW, 0)) { + texFormat = srcFormat; + } + else { + /* srcFormat can't be used as a texture format */ + if (type == GL_DEPTH) { + texFormat = st_choose_format(screen, GL_DEPTH_COMPONENT, + st->internal_target, sample_count, + PIPE_BIND_DEPTH_STENCIL); + assert(texFormat != PIPE_FORMAT_NONE); + } + else { + /* default color format */ + texFormat = st_choose_format(screen, GL_RGBA, st->internal_target, + sample_count, PIPE_BIND_SAMPLER_VIEW); + assert(texFormat != PIPE_FORMAT_NONE); + } + } + + /* Invert src region if needed */ + if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { + srcy = ctx->ReadBuffer->Height - srcy - height; + invertTex = !invertTex; + } + + /* Clip the read region against the src buffer bounds. + * We'll still allocate a temporary buffer/texture for the original + * src region size but we'll only read the region which is on-screen. + * This may mean that we draw garbage pixels into the dest region, but + * that's expected. + */ + readX = srcx; + readY = srcy; + readW = width; + readH = height; + _mesa_clip_readpixels(ctx, &readX, &readY, &readW, &readH, &pack); + readW = MAX2(0, readW); + readH = MAX2(0, readH); + + /* alloc temporary texture */ + pt = alloc_texture(st, width, height, texFormat); + if (!pt) + return; + + sv[0] = st_create_texture_sampler_view(st->pipe, pt); + if (!sv[0]) { + pipe_resource_reference(&pt, NULL); + return; + } + + /* Make temporary texture which is a copy of the src region. + */ + if (srcFormat == texFormat) { + struct pipe_box src_box; + u_box_2d(readX, readY, readW, readH, &src_box); + /* copy source framebuffer surface into mipmap/texture */ + pipe->resource_copy_region(pipe, + pt, /* dest tex */ + 0, + pack.SkipPixels, pack.SkipRows, 0, /* dest pos */ + rbRead->texture, /* src tex */ + 0, + &src_box); + + } + else { + /* CPU-based fallback/conversion */ + struct pipe_transfer *ptRead = + pipe_get_transfer(st->pipe, rbRead->texture, 0, 0, + PIPE_TRANSFER_READ, + readX, readY, readW, readH); + struct pipe_transfer *ptTex; + enum pipe_transfer_usage transfer_usage; + + if (ST_DEBUG & DEBUG_FALLBACK) + debug_printf("%s: fallback processing\n", __FUNCTION__); + + if (type == GL_DEPTH && util_format_is_depth_and_stencil(pt->format)) + transfer_usage = PIPE_TRANSFER_READ_WRITE; + else + transfer_usage = PIPE_TRANSFER_WRITE; + + ptTex = pipe_get_transfer(st->pipe, pt, 0, 0, transfer_usage, + 0, 0, width, height); + + /* copy image from ptRead surface to ptTex surface */ + if (type == GL_COLOR) { + /* alternate path using get/put_tile() */ + GLfloat *buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); + pipe_get_tile_rgba(pipe, ptRead, readX, readY, readW, readH, buf); + pipe_put_tile_rgba(pipe, ptTex, pack.SkipPixels, pack.SkipRows, + readW, readH, buf); + free(buf); + } + else { + /* GL_DEPTH */ + GLuint *buf = (GLuint *) malloc(width * height * sizeof(GLuint)); + pipe_get_tile_z(pipe, ptRead, readX, readY, readW, readH, buf); + pipe_put_tile_z(pipe, ptTex, pack.SkipPixels, pack.SkipRows, + readW, readH, buf); + free(buf); + } + + pipe->transfer_destroy(pipe, ptRead); + pipe->transfer_destroy(pipe, ptTex); + } + + /* OK, the texture 'pt' contains the src image/pixels. Now draw a + * textured quad with that texture. + */ + draw_textured_quad(ctx, dstx, dsty, ctx->Current.RasterPos[2], + width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY, + sv, + num_sampler_view, + driver_vp, + driver_fp, + color, invertTex, GL_FALSE, GL_FALSE); + + pipe_resource_reference(&pt, NULL); + pipe_sampler_view_reference(&sv[0], NULL); +} + + + +void st_init_drawpixels_functions(struct dd_function_table *functions) +{ + functions->DrawPixels = st_DrawPixels; + functions->CopyPixels = st_CopyPixels; +} + + +void +st_destroy_drawpix(struct st_context *st) +{ + GLuint i; + + for (i = 0; i < Elements(st->drawpix.shaders); i++) { + if (st->drawpix.shaders[i]) + _mesa_reference_fragprog(st->ctx, &st->drawpix.shaders[i], NULL); + } + + st_reference_fragprog(st, &st->pixel_xfer.combined_prog, NULL); + if (st->drawpix.vert_shaders[0]) + ureg_free_tokens(st->drawpix.vert_shaders[0]); + if (st->drawpix.vert_shaders[1]) + ureg_free_tokens(st->drawpix.vert_shaders[1]); +} + +#endif /* FEATURE_drawpix */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.h b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.h new file mode 100644 index 000000000..aa0f491fe --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.h @@ -0,0 +1,69 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_CB_DRAWPIXELS_H +#define ST_CB_DRAWPIXELS_H + + +#include "main/compiler.h" + +struct dd_function_table; +struct st_context; + +#if FEATURE_drawpix + +extern void st_init_drawpixels_functions(struct dd_function_table *functions); + +extern void +st_destroy_drawpix(struct st_context *st); + +extern void +st_make_drawpix_fragment_program(struct st_context *st, + struct gl_fragment_program *fpIn, + struct gl_fragment_program **fpOut); + +extern struct gl_fragment_program * +st_make_drawpix_z_stencil_program(struct st_context *st, + GLboolean write_depth, + GLboolean write_stencil); + +#else + +static INLINE void +st_init_drawpixels_functions(struct dd_function_table *functions) +{ +} + +static INLINE void +st_destroy_drawpix(struct st_context *st) +{ +} + +#endif /* FEATURE_drawpix */ + +#endif /* ST_CB_DRAWPIXELS_H */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawtex.c b/mesalib/src/mesa/state_tracker/st_cb_drawtex.c new file mode 100644 index 000000000..083742b1c --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_drawtex.c @@ -0,0 +1,303 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + **************************************************************************/ + + +/** + * Implementation of glDrawTex() for GL_OES_draw_tex + */ + + + +#include "main/imports.h" +#include "main/image.h" +#include "main/macros.h" +#include "program/program.h" +#include "program/prog_print.h" + +#include "st_context.h" +#include "st_atom.h" +#include "st_cb_drawtex.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "util/u_inlines.h" +#include "pipe/p_shader_tokens.h" +#include "util/u_draw_quad.h" +#include "util/u_simple_shaders.h" + +#include "cso_cache/cso_context.h" + + +#if FEATURE_OES_draw_texture + + +struct cached_shader +{ + void *handle; + + uint num_attribs; + uint semantic_names[2 + MAX_TEXTURE_UNITS]; + uint semantic_indexes[2 + MAX_TEXTURE_UNITS]; +}; + +#define MAX_SHADERS (2 * MAX_TEXTURE_UNITS) + +/** + * Simple linear list cache. + * Most of the time there'll only be one cached shader. + */ +static struct cached_shader CachedShaders[MAX_SHADERS]; +static GLuint NumCachedShaders = 0; + + +static void * +lookup_shader(struct pipe_context *pipe, + uint num_attribs, + const uint *semantic_names, + const uint *semantic_indexes) +{ + GLuint i, j; + + /* look for existing shader with same attributes */ + for (i = 0; i < NumCachedShaders; i++) { + if (CachedShaders[i].num_attribs == num_attribs) { + GLboolean match = GL_TRUE; + for (j = 0; j < num_attribs; j++) { + if (semantic_names[j] != CachedShaders[i].semantic_names[j] || + semantic_indexes[j] != CachedShaders[i].semantic_indexes[j]) { + match = GL_FALSE; + break; + } + } + if (match) + return CachedShaders[i].handle; + } + } + + /* not found - create new one now */ + if (NumCachedShaders >= MAX_SHADERS) { + return NULL; + } + + CachedShaders[i].num_attribs = num_attribs; + for (j = 0; j < num_attribs; j++) { + CachedShaders[i].semantic_names[j] = semantic_names[j]; + CachedShaders[i].semantic_indexes[j] = semantic_indexes[j]; + } + + CachedShaders[i].handle = + util_make_vertex_passthrough_shader(pipe, + num_attribs, + semantic_names, + semantic_indexes); + NumCachedShaders++; + + return CachedShaders[i].handle; +} + +static void +st_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z, + GLfloat width, GLfloat height) +{ + struct st_context *st = ctx->st; + struct pipe_context *pipe = st->pipe; + struct cso_context *cso = ctx->st->cso_context; + struct pipe_resource *vbuffer; + struct pipe_transfer *vbuffer_transfer; + GLuint i, numTexCoords, numAttribs; + GLboolean emitColor; + uint semantic_names[2 + MAX_TEXTURE_UNITS]; + uint semantic_indexes[2 + MAX_TEXTURE_UNITS]; + struct pipe_vertex_element velements[2 + MAX_TEXTURE_UNITS]; + GLbitfield inputs = VERT_BIT_POS; + + st_validate_state(st); + + /* determine if we need vertex color */ + if (ctx->FragmentProgram._Current->Base.InputsRead & FRAG_BIT_COL0) + emitColor = GL_TRUE; + else + emitColor = GL_FALSE; + + /* determine how many enabled sets of texcoords */ + numTexCoords = 0; + for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { + if (ctx->Texture.Unit[i]._ReallyEnabled & TEXTURE_2D_BIT) { + inputs |= VERT_BIT_TEX(i); + numTexCoords++; + } + } + + /* total number of attributes per vertex */ + numAttribs = 1 + emitColor + numTexCoords; + + + /* create the vertex buffer */ + vbuffer = pipe_buffer_create(pipe->screen, PIPE_BIND_VERTEX_BUFFER, + numAttribs * 4 * 4 * sizeof(GLfloat)); + + /* load vertex buffer */ + { +#define SET_ATTRIB(VERT, ATTR, X, Y, Z, W) \ + do { \ + GLuint k = (((VERT) * numAttribs + (ATTR)) * 4); \ + assert(k < 4 * 4 * numAttribs); \ + vbuf[k + 0] = X; \ + vbuf[k + 1] = Y; \ + vbuf[k + 2] = Z; \ + vbuf[k + 3] = W; \ + } while (0) + + const GLfloat x0 = x, y0 = y, x1 = x + width, y1 = y + height; + GLfloat *vbuf = (GLfloat *) pipe_buffer_map(pipe, vbuffer, + PIPE_TRANSFER_WRITE, + &vbuffer_transfer); + GLuint attr; + + z = CLAMP(z, 0.0f, 1.0f); + + /* positions (in clip coords) */ + { + const struct gl_framebuffer *fb = st->ctx->DrawBuffer; + const GLfloat fb_width = (GLfloat)fb->Width; + const GLfloat fb_height = (GLfloat)fb->Height; + + const GLfloat clip_x0 = (GLfloat)(x0 / fb_width * 2.0 - 1.0); + const GLfloat clip_y0 = (GLfloat)(y0 / fb_height * 2.0 - 1.0); + const GLfloat clip_x1 = (GLfloat)(x1 / fb_width * 2.0 - 1.0); + const GLfloat clip_y1 = (GLfloat)(y1 / fb_height * 2.0 - 1.0); + + SET_ATTRIB(0, 0, clip_x0, clip_y0, z, 1.0f); /* lower left */ + SET_ATTRIB(1, 0, clip_x1, clip_y0, z, 1.0f); /* lower right */ + SET_ATTRIB(2, 0, clip_x1, clip_y1, z, 1.0f); /* upper right */ + SET_ATTRIB(3, 0, clip_x0, clip_y1, z, 1.0f); /* upper left */ + + semantic_names[0] = TGSI_SEMANTIC_POSITION; + semantic_indexes[0] = 0; + } + + /* colors */ + if (emitColor) { + const GLfloat *c = ctx->Current.Attrib[VERT_ATTRIB_COLOR0]; + SET_ATTRIB(0, 1, c[0], c[1], c[2], c[3]); + SET_ATTRIB(1, 1, c[0], c[1], c[2], c[3]); + SET_ATTRIB(2, 1, c[0], c[1], c[2], c[3]); + SET_ATTRIB(3, 1, c[0], c[1], c[2], c[3]); + semantic_names[1] = TGSI_SEMANTIC_COLOR; + semantic_indexes[1] = 0; + attr = 2; + } + else { + attr = 1; + } + + /* texcoords */ + for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { + if (ctx->Texture.Unit[i]._ReallyEnabled & TEXTURE_2D_BIT) { + struct gl_texture_object *obj = ctx->Texture.Unit[i]._Current; + struct gl_texture_image *img = obj->Image[0][obj->BaseLevel]; + const GLfloat wt = (GLfloat) img->Width; + const GLfloat ht = (GLfloat) img->Height; + const GLfloat s0 = obj->CropRect[0] / wt; + const GLfloat t0 = obj->CropRect[1] / ht; + const GLfloat s1 = (obj->CropRect[0] + obj->CropRect[2]) / wt; + const GLfloat t1 = (obj->CropRect[1] + obj->CropRect[3]) / ht; + + /*printf("crop texcoords: %g, %g .. %g, %g\n", s0, t0, s1, t1);*/ + SET_ATTRIB(0, attr, s0, t0, 0.0f, 1.0f); /* lower left */ + SET_ATTRIB(1, attr, s1, t0, 0.0f, 1.0f); /* lower right */ + SET_ATTRIB(2, attr, s1, t1, 0.0f, 1.0f); /* upper right */ + SET_ATTRIB(3, attr, s0, t1, 0.0f, 1.0f); /* upper left */ + + semantic_names[attr] = TGSI_SEMANTIC_GENERIC; + semantic_indexes[attr] = 0; + + attr++; + } + } + + pipe_buffer_unmap(pipe, vbuffer_transfer); + +#undef SET_ATTRIB + } + + + cso_save_viewport(cso); + cso_save_vertex_shader(cso); + cso_save_vertex_elements(cso); + + { + void *vs = lookup_shader(pipe, numAttribs, + semantic_names, semantic_indexes); + cso_set_vertex_shader_handle(cso, vs); + } + + for (i = 0; i < numAttribs; i++) { + velements[i].src_offset = i * 4 * sizeof(float); + velements[i].instance_divisor = 0; + velements[i].vertex_buffer_index = 0; + velements[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; + } + cso_set_vertex_elements(cso, numAttribs, velements); + + /* viewport state: viewport matching window dims */ + { + const struct gl_framebuffer *fb = st->ctx->DrawBuffer; + const GLboolean invert = (st_fb_orientation(fb) == Y_0_TOP); + const GLfloat width = (GLfloat)fb->Width; + const GLfloat height = (GLfloat)fb->Height; + struct pipe_viewport_state vp; + vp.scale[0] = 0.5f * width; + vp.scale[1] = height * (invert ? -0.5f : 0.5f); + vp.scale[2] = 1.0f; + vp.scale[3] = 1.0f; + vp.translate[0] = 0.5f * width; + vp.translate[1] = 0.5f * height; + vp.translate[2] = 0.0f; + vp.translate[3] = 0.0f; + cso_set_viewport(cso, &vp); + } + + + util_draw_vertex_buffer(pipe, vbuffer, + 0, /* offset */ + PIPE_PRIM_TRIANGLE_FAN, + 4, /* verts */ + numAttribs); /* attribs/vert */ + + + pipe_resource_reference(&vbuffer, NULL); + + /* restore state */ + cso_restore_viewport(cso); + cso_restore_vertex_shader(cso); + cso_restore_vertex_elements(cso); +} + + +void +st_init_drawtex_functions(struct dd_function_table *functions) +{ + functions->DrawTex = st_DrawTex; +} + + +/** + * Free any cached shaders + */ +void +st_destroy_drawtex(struct st_context *st) +{ + GLuint i; + for (i = 0; i < NumCachedShaders; i++) { + cso_delete_vertex_shader(st->cso_context, CachedShaders[i].handle); + } + NumCachedShaders = 0; +} + + +#endif /* FEATURE_OES_draw_texture */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawtex.h b/mesalib/src/mesa/state_tracker/st_cb_drawtex.h new file mode 100644 index 000000000..48cf45e1f --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_drawtex.h @@ -0,0 +1,40 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + **************************************************************************/ + + +#ifndef ST_CB_DRAWTEX_H +#define ST_CB_DRAWTEX_H + + +#include "main/compiler.h" + +struct dd_function_table; +struct st_context; + +#if FEATURE_OES_draw_texture + +extern void +st_init_drawtex_functions(struct dd_function_table *functions); + +extern void +st_destroy_drawtex(struct st_context *st); + +#else + +static INLINE void +st_init_drawtex_functions(struct dd_function_table *functions) +{ +} + +static INLINE void +st_destroy_drawtex(struct st_context *st) +{ +} + +#endif /* FEATURE_OES_draw_texture */ + +#endif /* ST_CB_DRAWTEX_H */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_eglimage.c b/mesalib/src/mesa/state_tracker/st_cb_eglimage.c new file mode 100644 index 000000000..0f5175713 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_eglimage.c @@ -0,0 +1,169 @@ +/* + * Mesa 3-D graphics library + * Version: 7.9 + * + * Copyright (C) 2010 LunarG Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Chia-I Wu + */ + +#include "main/texobj.h" +#include "main/texfetch.h" +#include "main/teximage.h" +#include "util/u_inlines.h" +#include "util/u_format.h" +#include "st_cb_eglimage.h" +#include "st_cb_fbo.h" +#include "st_context.h" +#include "st_texture.h" +#include "st_format.h" +#include "st_manager.h" + +#if FEATURE_OES_EGL_image + +/** + * Return the base format just like _mesa_base_fbo_format does. + */ +static GLenum +st_pipe_format_to_base_format(enum pipe_format format) +{ + GLenum base_format; + + if (util_format_is_depth_or_stencil(format)) { + if (util_format_is_depth_and_stencil(format)) { + base_format = GL_DEPTH_STENCIL; + } + else { + if (format == PIPE_FORMAT_S8_USCALED) + base_format = GL_STENCIL_INDEX; + else + base_format = GL_DEPTH_COMPONENT; + } + } + else { + /* is this enough? */ + if (util_format_has_alpha(format)) + base_format = GL_RGBA; + else + base_format = GL_RGB; + } + + return base_format; +} + +static void +st_egl_image_target_renderbuffer_storage(struct gl_context *ctx, + struct gl_renderbuffer *rb, + GLeglImageOES image_handle) +{ + struct st_context *st = st_context(ctx); + struct st_renderbuffer *strb = st_renderbuffer(rb); + struct pipe_surface *ps; + unsigned usage; + + usage = PIPE_BIND_RENDER_TARGET; + ps = st_manager_get_egl_image_surface(st, (void *) image_handle, usage); + if (ps) { + strb->Base.Width = ps->width; + strb->Base.Height = ps->height; + strb->Base.Format = st_pipe_format_to_mesa_format(ps->format); + strb->Base.DataType = st_format_datatype(ps->format); + strb->Base._BaseFormat = st_pipe_format_to_base_format(ps->format); + strb->Base.InternalFormat = strb->Base._BaseFormat; + + pipe_surface_reference(&strb->surface, ps); + pipe_resource_reference(&strb->texture, ps->texture); + + pipe_surface_reference(&ps, NULL); + } +} + +static void +st_bind_surface(struct gl_context *ctx, GLenum target, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage, + struct pipe_surface *ps) +{ + struct st_texture_object *stObj; + struct st_texture_image *stImage; + GLenum internalFormat; + gl_format texFormat; + + /* map pipe format to base format */ + if (util_format_get_component_bits(ps->format, UTIL_FORMAT_COLORSPACE_RGB, 3) > 0) + internalFormat = GL_RGBA; + else + internalFormat = GL_RGB; + + stObj = st_texture_object(texObj); + stImage = st_texture_image(texImage); + + /* switch to surface based */ + if (!stObj->surface_based) { + _mesa_clear_texture_object(ctx, texObj); + stObj->surface_based = GL_TRUE; + } + + texFormat = st_pipe_format_to_mesa_format(ps->format); + + _mesa_init_teximage_fields(ctx, target, texImage, + ps->width, ps->height, 1, 0, internalFormat, + texFormat); + + /* FIXME create a non-default sampler view from the pipe_surface? */ + pipe_resource_reference(&stObj->pt, ps->texture); + pipe_sampler_view_reference(&stObj->sampler_view, NULL); + pipe_resource_reference(&stImage->pt, stObj->pt); + + stObj->width0 = ps->width; + stObj->height0 = ps->height; + stObj->depth0 = 1; + + _mesa_dirty_texobj(ctx, texObj, GL_TRUE); +} + +static void +st_egl_image_target_texture_2d(struct gl_context *ctx, GLenum target, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage, + GLeglImageOES image_handle) +{ + struct st_context *st = st_context(ctx); + struct pipe_surface *ps; + unsigned usage; + + usage = PIPE_BIND_SAMPLER_VIEW; + ps = st_manager_get_egl_image_surface(st, (void *) image_handle, usage); + if (ps) { + st_bind_surface(ctx, target, texObj, texImage, ps); + pipe_surface_reference(&ps, NULL); + } +} + +void +st_init_eglimage_functions(struct dd_function_table *functions) +{ + functions->EGLImageTargetTexture2D = st_egl_image_target_texture_2d; + functions->EGLImageTargetRenderbufferStorage = st_egl_image_target_renderbuffer_storage; +} + +#endif /* FEATURE_OES_EGL_image */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_eglimage.h b/mesalib/src/mesa/state_tracker/st_cb_eglimage.h new file mode 100644 index 000000000..8757d08ff --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_eglimage.h @@ -0,0 +1,50 @@ +/* + * Mesa 3-D graphics library + * Version: 7.9 + * + * Copyright (C) 2010 LunarG Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Chia-I Wu + */ + +#ifndef ST_CB_EGLIMAGE_H +#define ST_CB_EGLIMAGE_H + +#include "main/compiler.h" + +struct dd_function_table; + +#if FEATURE_OES_EGL_image + +extern void +st_init_eglimage_functions(struct dd_function_table *functions); + +#else + +static INLINE void +st_init_eglimage_functions(struct dd_function_table *functions) +{ +} + +#endif + +#endif /* ST_CB_EGLIMAGE_H */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_fbo.c b/mesalib/src/mesa/state_tracker/st_cb_fbo.c new file mode 100644 index 000000000..4bc01100a --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_fbo.c @@ -0,0 +1,617 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/** + * Framebuffer/renderbuffer functions. + * + * \author Brian Paul + */ + + +#include "main/imports.h" +#include "main/context.h" +#include "main/fbobject.h" +#include "main/framebuffer.h" +#include "main/macros.h" +#include "main/renderbuffer.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_screen.h" +#include "st_context.h" +#include "st_cb_fbo.h" +#include "st_cb_flush.h" +#include "st_format.h" +#include "st_texture.h" +#include "st_manager.h" + +#include "util/u_format.h" +#include "util/u_inlines.h" +#include "util/u_surface.h" + + +/** + * gl_renderbuffer::AllocStorage() + * This is called to allocate the original drawing surface, and + * during window resize. + */ +static GLboolean +st_renderbuffer_alloc_storage(struct gl_context * ctx, struct gl_renderbuffer *rb, + GLenum internalFormat, + GLuint width, GLuint height) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct pipe_screen *screen = st->pipe->screen; + struct st_renderbuffer *strb = st_renderbuffer(rb); + enum pipe_format format; + struct pipe_surface surf_tmpl; + + if (strb->format != PIPE_FORMAT_NONE) + format = strb->format; + else + format = st_choose_renderbuffer_format(screen, internalFormat, rb->NumSamples); + + /* init renderbuffer fields */ + strb->Base.Width = width; + strb->Base.Height = height; + strb->Base.Format = st_pipe_format_to_mesa_format(format); + strb->Base.DataType = st_format_datatype(format); + + strb->defined = GL_FALSE; /* undefined contents now */ + + if (strb->software) { + size_t size; + + free(strb->data); + + assert(strb->format != PIPE_FORMAT_NONE); + + strb->stride = util_format_get_stride(strb->format, width); + size = util_format_get_2d_size(strb->format, strb->stride, height); + + strb->data = malloc(size); + + return strb->data != NULL; + } + else { + struct pipe_resource template; + + /* Free the old surface and texture + */ + pipe_surface_reference( &strb->surface, NULL ); + pipe_resource_reference( &strb->texture, NULL ); + pipe_sampler_view_reference(&strb->sampler_view, NULL); + + /* Setup new texture template. + */ + memset(&template, 0, sizeof(template)); + template.target = st->internal_target; + template.format = format; + template.width0 = width; + template.height0 = height; + template.depth0 = 1; + template.array_size = 1; + template.last_level = 0; + template.nr_samples = rb->NumSamples; + if (util_format_is_depth_or_stencil(format)) { + template.bind = PIPE_BIND_DEPTH_STENCIL; + } + else { + template.bind = (PIPE_BIND_DISPLAY_TARGET | + PIPE_BIND_RENDER_TARGET); + } + + strb->texture = screen->resource_create(screen, &template); + + if (!strb->texture) + return FALSE; + + memset(&surf_tmpl, 0, sizeof(surf_tmpl)); + u_surface_default_template(&surf_tmpl, strb->texture, template.bind); + strb->surface = pipe->create_surface(pipe, + strb->texture, + &surf_tmpl); + if (strb->surface) { + assert(strb->surface->texture); + assert(strb->surface->format); + assert(strb->surface->width == width); + assert(strb->surface->height == height); + } + + return strb->surface != NULL; + } +} + + +/** + * gl_renderbuffer::Delete() + */ +static void +st_renderbuffer_delete(struct gl_renderbuffer *rb) +{ + struct st_renderbuffer *strb = st_renderbuffer(rb); + ASSERT(strb); + pipe_surface_reference(&strb->surface, NULL); + pipe_resource_reference(&strb->texture, NULL); + pipe_sampler_view_reference(&strb->sampler_view, NULL); + free(strb->data); + free(strb); +} + + +/** + * gl_renderbuffer::GetPointer() + */ +static void * +null_get_pointer(struct gl_context * ctx, struct gl_renderbuffer *rb, + GLint x, GLint y) +{ + /* By returning NULL we force all software rendering to go through + * the span routines. + */ +#if 0 + assert(0); /* Should never get called with softpipe */ +#endif + return NULL; +} + + +/** + * Called via ctx->Driver.NewFramebuffer() + */ +static struct gl_framebuffer * +st_new_framebuffer(struct gl_context *ctx, GLuint name) +{ + /* XXX not sure we need to subclass gl_framebuffer for pipe */ + return _mesa_new_framebuffer(ctx, name); +} + + +/** + * Called via ctx->Driver.NewRenderbuffer() + */ +static struct gl_renderbuffer * +st_new_renderbuffer(struct gl_context *ctx, GLuint name) +{ + struct st_renderbuffer *strb = ST_CALLOC_STRUCT(st_renderbuffer); + if (strb) { + _mesa_init_renderbuffer(&strb->Base, name); + strb->Base.Delete = st_renderbuffer_delete; + strb->Base.AllocStorage = st_renderbuffer_alloc_storage; + strb->Base.GetPointer = null_get_pointer; + strb->format = PIPE_FORMAT_NONE; + return &strb->Base; + } + return NULL; +} + + +/** + * Allocate a renderbuffer for a an on-screen window (not a user-created + * renderbuffer). The window system code determines the format. + */ +struct gl_renderbuffer * +st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw) +{ + struct st_renderbuffer *strb; + + strb = ST_CALLOC_STRUCT(st_renderbuffer); + if (!strb) { + _mesa_error(NULL, GL_OUT_OF_MEMORY, "creating renderbuffer"); + return NULL; + } + + _mesa_init_renderbuffer(&strb->Base, 0); + strb->Base.ClassID = 0x4242; /* just a unique value */ + strb->Base.NumSamples = samples; + strb->Base.Format = st_pipe_format_to_mesa_format(format); + strb->Base.DataType = st_format_datatype(format); + strb->format = format; + strb->software = sw; + + switch (format) { + case PIPE_FORMAT_R8G8B8A8_UNORM: + case PIPE_FORMAT_B8G8R8A8_UNORM: + case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_R8G8B8X8_UNORM: + case PIPE_FORMAT_B8G8R8X8_UNORM: + case PIPE_FORMAT_X8R8G8B8_UNORM: + case PIPE_FORMAT_B5G5R5A1_UNORM: + case PIPE_FORMAT_B4G4R4A4_UNORM: + case PIPE_FORMAT_B5G6R5_UNORM: + strb->Base.InternalFormat = GL_RGBA; + break; + case PIPE_FORMAT_Z16_UNORM: + strb->Base.InternalFormat = GL_DEPTH_COMPONENT16; + break; + case PIPE_FORMAT_Z32_UNORM: + strb->Base.InternalFormat = GL_DEPTH_COMPONENT32; + break; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: + strb->Base.InternalFormat = GL_DEPTH24_STENCIL8_EXT; + break; + case PIPE_FORMAT_S8_USCALED: + strb->Base.InternalFormat = GL_STENCIL_INDEX8_EXT; + break; + case PIPE_FORMAT_R16G16B16A16_SNORM: + strb->Base.InternalFormat = GL_RGBA16; + break; + case PIPE_FORMAT_R8_UNORM: + strb->Base.InternalFormat = GL_R8; + break; + case PIPE_FORMAT_R8G8_UNORM: + strb->Base.InternalFormat = GL_RG8; + break; + case PIPE_FORMAT_R16_UNORM: + strb->Base.InternalFormat = GL_R16; + break; + case PIPE_FORMAT_R16G16_UNORM: + strb->Base.InternalFormat = GL_RG16; + break; + default: + _mesa_problem(NULL, + "Unexpected format in st_new_renderbuffer_fb"); + free(strb); + return NULL; + } + + /* st-specific methods */ + strb->Base.Delete = st_renderbuffer_delete; + strb->Base.AllocStorage = st_renderbuffer_alloc_storage; + strb->Base.GetPointer = null_get_pointer; + + /* surface is allocated in st_renderbuffer_alloc_storage() */ + strb->surface = NULL; + + return &strb->Base; +} + + + + +/** + * Called via ctx->Driver.BindFramebufferEXT(). + */ +static void +st_bind_framebuffer(struct gl_context *ctx, GLenum target, + struct gl_framebuffer *fb, struct gl_framebuffer *fbread) +{ + +} + +/** + * Called by ctx->Driver.FramebufferRenderbuffer + */ +static void +st_framebuffer_renderbuffer(struct gl_context *ctx, + struct gl_framebuffer *fb, + GLenum attachment, + struct gl_renderbuffer *rb) +{ + /* XXX no need for derivation? */ + _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb); +} + + +/** + * Called by ctx->Driver.RenderTexture + */ +static void +st_render_texture(struct gl_context *ctx, + struct gl_framebuffer *fb, + struct gl_renderbuffer_attachment *att) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct st_renderbuffer *strb; + struct gl_renderbuffer *rb; + struct pipe_resource *pt = st_get_texobj_resource(att->Texture); + struct st_texture_object *stObj; + const struct gl_texture_image *texImage; + struct pipe_surface surf_tmpl; + + /* When would this fail? Perhaps assert? */ + if (!pt) + return; + + /* get pointer to texture image we're rendeing to */ + texImage = att->Texture->Image[att->CubeMapFace][att->TextureLevel]; + + /* create new renderbuffer which wraps the texture image */ + rb = st_new_renderbuffer(ctx, 0); + if (!rb) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glFramebufferTexture()"); + return; + } + + _mesa_reference_renderbuffer(&att->Renderbuffer, rb); + assert(rb->RefCount == 1); + rb->AllocStorage = NULL; /* should not get called */ + strb = st_renderbuffer(rb); + + assert(strb->Base.RefCount > 0); + + /* get the texture for the texture object */ + stObj = st_texture_object(att->Texture); + + /* point renderbuffer at texobject */ + strb->rtt = stObj; + strb->rtt_level = att->TextureLevel; + strb->rtt_face = att->CubeMapFace; + strb->rtt_slice = att->Zoffset; + + rb->Width = texImage->Width2; + rb->Height = texImage->Height2; + rb->_BaseFormat = texImage->_BaseFormat; + /*printf("***** render to texture level %d: %d x %d\n", att->TextureLevel, rb->Width, rb->Height);*/ + + /*printf("***** pipe texture %d x %d\n", pt->width0, pt->height0);*/ + + pipe_resource_reference( &strb->texture, pt ); + + pipe_surface_reference(&strb->surface, NULL); + + pipe_sampler_view_reference(&strb->sampler_view, + st_get_texture_sampler_view(stObj, pipe)); + + assert(strb->rtt_level <= strb->texture->last_level); + + /* new surface for rendering into the texture */ + memset(&surf_tmpl, 0, sizeof(surf_tmpl)); + surf_tmpl.format = strb->texture->format; + surf_tmpl.usage = PIPE_BIND_RENDER_TARGET; + surf_tmpl.u.tex.level = strb->rtt_level; + surf_tmpl.u.tex.first_layer = strb->rtt_face + strb->rtt_slice; + surf_tmpl.u.tex.last_layer = strb->rtt_face + strb->rtt_slice; + strb->surface = pipe->create_surface(pipe, + strb->texture, + &surf_tmpl); + + strb->format = pt->format; + + strb->Base.Format = st_pipe_format_to_mesa_format(pt->format); + strb->Base.DataType = st_format_datatype(pt->format); + + /* + printf("RENDER TO TEXTURE obj=%p pt=%p surf=%p %d x %d\n", + att->Texture, pt, strb->surface, rb->Width, rb->Height); + */ + + /* Invalidate buffer state so that the pipe's framebuffer state + * gets updated. + * That's where the new renderbuffer (which we just created) gets + * passed to the pipe as a (color/depth) render target. + */ + st_invalidate_state(ctx, _NEW_BUFFERS); +} + + +/** + * Called via ctx->Driver.FinishRenderTexture. + */ +static void +st_finish_render_texture(struct gl_context *ctx, + struct gl_renderbuffer_attachment *att) +{ + struct st_context *st = st_context(ctx); + struct st_renderbuffer *strb = st_renderbuffer(att->Renderbuffer); + + if (!strb) + return; + + st_flush(st, PIPE_FLUSH_RENDER_CACHE, NULL); + + strb->rtt = NULL; + + /* + printf("FINISH RENDER TO TEXTURE surf=%p\n", strb->surface); + */ + + /* restore previous framebuffer state */ + st_invalidate_state(ctx, _NEW_BUFFERS); +} + + +/** + * Validate a renderbuffer attachment for a particular set of bindings. + */ +static GLboolean +st_validate_attachment(struct pipe_screen *screen, + const struct gl_renderbuffer_attachment *att, + unsigned bindings) +{ + const struct st_texture_object *stObj = st_texture_object(att->Texture); + + /* Only validate texture attachments for now, since + * st_renderbuffer_alloc_storage makes sure that + * the format is supported. + */ + if (att->Type != GL_TEXTURE) + return GL_TRUE; + + if (!stObj) + return GL_FALSE; + + return screen->is_format_supported(screen, stObj->pt->format, + PIPE_TEXTURE_2D, + stObj->pt->nr_samples, bindings, 0); +} + + +/** + * Check if two renderbuffer attachments name a combined depth/stencil + * renderbuffer. + */ +GLboolean +st_is_depth_stencil_combined(const struct gl_renderbuffer_attachment *depth, + const struct gl_renderbuffer_attachment *stencil) +{ + assert(depth && stencil); + + if (depth->Type == stencil->Type) { + if (depth->Type == GL_RENDERBUFFER_EXT && + depth->Renderbuffer == stencil->Renderbuffer) + return GL_TRUE; + + if (depth->Type == GL_TEXTURE && + depth->Texture == stencil->Texture) + return GL_TRUE; + } + + return GL_FALSE; +} + + +/** + * Check that the framebuffer configuration is valid in terms of what + * the driver can support. + * + * For Gallium we only supports combined Z+stencil, not separate buffers. + */ +static void +st_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb) +{ + struct st_context *st = st_context(ctx); + struct pipe_screen *screen = st->pipe->screen; + const struct gl_renderbuffer_attachment *depth = + &fb->Attachment[BUFFER_DEPTH]; + const struct gl_renderbuffer_attachment *stencil = + &fb->Attachment[BUFFER_STENCIL]; + GLuint i; + + if (depth->Type && stencil->Type && depth->Type != stencil->Type) { + fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; + return; + } + if (depth->Type == GL_RENDERBUFFER_EXT && + stencil->Type == GL_RENDERBUFFER_EXT && + depth->Renderbuffer != stencil->Renderbuffer) { + fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; + return; + } + if (depth->Type == GL_TEXTURE && + stencil->Type == GL_TEXTURE && + depth->Texture != stencil->Texture) { + fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; + return; + } + + if (!st_validate_attachment(screen, + depth, + PIPE_BIND_DEPTH_STENCIL)) { + fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; + return; + } + if (!st_validate_attachment(screen, + stencil, + PIPE_BIND_DEPTH_STENCIL)) { + fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; + return; + } + for (i = 0; i < ctx->Const.MaxColorAttachments; i++) { + if (!st_validate_attachment(screen, + &fb->Attachment[BUFFER_COLOR0 + i], + PIPE_BIND_RENDER_TARGET)) { + fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT; + return; + } + } +} + + +/** + * Called via glDrawBuffer. + */ +static void +st_DrawBuffers(struct gl_context *ctx, GLsizei count, const GLenum *buffers) +{ + struct st_context *st = st_context(ctx); + struct gl_framebuffer *fb = ctx->DrawBuffer; + GLuint i; + + (void) count; + (void) buffers; + + /* add the renderbuffers on demand */ + for (i = 0; i < fb->_NumColorDrawBuffers; i++) { + gl_buffer_index idx = fb->_ColorDrawBufferIndexes[i]; + st_manager_add_color_renderbuffer(st, fb, idx); + } +} + + +/** + * Called via glReadBuffer. + */ +static void +st_ReadBuffer(struct gl_context *ctx, GLenum buffer) +{ + struct st_context *st = st_context(ctx); + struct gl_framebuffer *fb = ctx->ReadBuffer; + + (void) buffer; + + /* add the renderbuffer on demand */ + st_manager_add_color_renderbuffer(st, fb, fb->_ColorReadBufferIndex); +} + + +void st_init_fbo_functions(struct dd_function_table *functions) +{ +#if FEATURE_EXT_framebuffer_object + functions->NewFramebuffer = st_new_framebuffer; + functions->NewRenderbuffer = st_new_renderbuffer; + functions->BindFramebuffer = st_bind_framebuffer; + functions->FramebufferRenderbuffer = st_framebuffer_renderbuffer; + functions->RenderTexture = st_render_texture; + functions->FinishRenderTexture = st_finish_render_texture; + functions->ValidateFramebuffer = st_validate_framebuffer; +#endif + /* no longer needed by core Mesa, drivers handle resizes... + functions->ResizeBuffers = st_resize_buffers; + */ + + functions->DrawBuffers = st_DrawBuffers; + functions->ReadBuffer = st_ReadBuffer; +} + +/* XXX unused ? */ +struct pipe_sampler_view * +st_get_renderbuffer_sampler_view(struct st_renderbuffer *rb, + struct pipe_context *pipe) +{ + if (!rb->sampler_view) { + rb->sampler_view = st_create_texture_sampler_view(pipe, rb->texture); + } + + return rb->sampler_view; +} diff --git a/mesalib/src/mesa/state_tracker/st_cb_fbo.h b/mesalib/src/mesa/state_tracker/st_cb_fbo.h new file mode 100644 index 000000000..228be8fed --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_fbo.h @@ -0,0 +1,96 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_CB_FBO_H +#define ST_CB_FBO_H + +#include "main/compiler.h" +#include "main/glheader.h" +#include "main/mtypes.h" + +#include "pipe/p_compiler.h" +#include "pipe/p_format.h" + +struct dd_function_table; +struct pipe_context; + +/** + * Derived renderbuffer class. Just need to add a pointer to the + * pipe surface. + */ +struct st_renderbuffer +{ + struct gl_renderbuffer Base; + struct pipe_resource *texture; + struct pipe_surface *surface; /* temporary view into texture */ + struct pipe_sampler_view *sampler_view; + enum pipe_format format; /** preferred format, or PIPE_FORMAT_NONE */ + GLboolean defined; /**< defined contents? */ + + /** + * Used only when hardware accumulation buffers are not supported. + */ + boolean software; + size_t stride; + void *data; + + struct st_texture_object *rtt; /**< GL render to texture's texture */ + int rtt_level, rtt_face, rtt_slice; + + /** Render to texture state */ + struct pipe_resource *texture_save; + struct pipe_surface *surface_save; + struct pipe_sampler_view *sampler_view_save; +}; + + +static INLINE struct st_renderbuffer * +st_renderbuffer(struct gl_renderbuffer *rb) +{ + return (struct st_renderbuffer *) rb; +} + + +extern struct gl_renderbuffer * +st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw); + +extern void +st_init_fbo_functions(struct dd_function_table *functions); + +/* XXX unused ? */ +extern struct pipe_sampler_view * +st_get_renderbuffer_sampler_view(struct st_renderbuffer *rb, + struct pipe_context *pipe); + + +extern GLboolean +st_is_depth_stencil_combined(const struct gl_renderbuffer_attachment *depth, + const struct gl_renderbuffer_attachment *stencil); + + +#endif /* ST_CB_FBO_H */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_feedback.c b/mesalib/src/mesa/state_tracker/st_cb_feedback.c new file mode 100644 index 000000000..6717c4c7a --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_feedback.c @@ -0,0 +1,308 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * GL_SELECT and GL_FEEDBACK render modes. + * Basically, we use a private instance of the 'draw' module for doing + * selection/feedback. It would be nice to use the transform_feedback + * hardware feature, but it's defined as happening pre-clip and we want + * post-clipped primitives. Also, there's concerns about the efficiency + * of using the hardware for this anyway. + * + * Authors: + * Brian Paul + */ + +#include "main/imports.h" +#include "main/context.h" +#include "main/feedback.h" + +#include "vbo/vbo.h" + +#include "st_context.h" +#include "st_draw.h" +#include "st_cb_feedback.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" + +#include "draw/draw_context.h" +#include "draw/draw_pipe.h" + + +#if FEATURE_feedback + +/** + * This is actually used for both feedback and selection. + */ +struct feedback_stage +{ + struct draw_stage stage; /**< Base class */ + struct gl_context *ctx; /**< Rendering context */ + GLboolean reset_stipple_counter; +}; + + +/********************************************************************** + * GL Feedback functions + **********************************************************************/ + +static INLINE struct feedback_stage * +feedback_stage( struct draw_stage *stage ) +{ + return (struct feedback_stage *)stage; +} + + +static void +feedback_vertex(struct gl_context *ctx, const struct draw_context *draw, + const struct vertex_header *v) +{ + const struct st_context *st = st_context(ctx); + GLfloat win[4]; + const GLfloat *color, *texcoord; + GLuint slot; + + /* Recall that Y=0=Top of window for Gallium wincoords */ + win[0] = v->data[0][0]; + win[1] = ctx->DrawBuffer->Height - v->data[0][1]; + win[2] = v->data[0][2]; + win[3] = 1.0F / v->data[0][3]; + + /* XXX + * When we compute vertex layout, save info about position of the + * color and texcoord attribs to use here. + */ + + slot = st->vertex_result_to_slot[VERT_RESULT_COL0]; + if (slot != ~0U) + color = v->data[slot]; + else + color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0]; + + slot = st->vertex_result_to_slot[VERT_RESULT_TEX0]; + if (slot != ~0U) + texcoord = v->data[slot]; + else + texcoord = ctx->Current.Attrib[VERT_ATTRIB_TEX0]; + + _mesa_feedback_vertex(ctx, win, color, texcoord); +} + + +static void +feedback_tri( struct draw_stage *stage, struct prim_header *prim ) +{ + struct feedback_stage *fs = feedback_stage(stage); + struct draw_context *draw = stage->draw; + _mesa_feedback_token(fs->ctx, (GLfloat) GL_POLYGON_TOKEN); + _mesa_feedback_token(fs->ctx, (GLfloat) 3); /* three vertices */ + feedback_vertex(fs->ctx, draw, prim->v[0]); + feedback_vertex(fs->ctx, draw, prim->v[1]); + feedback_vertex(fs->ctx, draw, prim->v[2]); +} + + +static void +feedback_line( struct draw_stage *stage, struct prim_header *prim ) +{ + struct feedback_stage *fs = feedback_stage(stage); + struct draw_context *draw = stage->draw; + if (fs->reset_stipple_counter) { + _mesa_feedback_token(fs->ctx, (GLfloat) GL_LINE_RESET_TOKEN); + fs->reset_stipple_counter = GL_FALSE; + } + else { + _mesa_feedback_token(fs->ctx, (GLfloat) GL_LINE_TOKEN); + } + feedback_vertex(fs->ctx, draw, prim->v[0]); + feedback_vertex(fs->ctx, draw, prim->v[1]); +} + + +static void +feedback_point( struct draw_stage *stage, struct prim_header *prim ) +{ + struct feedback_stage *fs = feedback_stage(stage); + struct draw_context *draw = stage->draw; + _mesa_feedback_token(fs->ctx, (GLfloat) GL_POINT_TOKEN); + feedback_vertex(fs->ctx, draw, prim->v[0]); +} + + +static void +feedback_flush( struct draw_stage *stage, unsigned flags ) +{ + /* no-op */ +} + + +static void +feedback_reset_stipple_counter( struct draw_stage *stage ) +{ + struct feedback_stage *fs = feedback_stage(stage); + fs->reset_stipple_counter = GL_TRUE; +} + + +static void +feedback_destroy( struct draw_stage *stage ) +{ + /* no-op */ +} + +/** + * Create GL feedback drawing stage. + */ +static struct draw_stage * +draw_glfeedback_stage(struct gl_context *ctx, struct draw_context *draw) +{ + struct feedback_stage *fs = ST_CALLOC_STRUCT(feedback_stage); + + fs->stage.draw = draw; + fs->stage.next = NULL; + fs->stage.point = feedback_point; + fs->stage.line = feedback_line; + fs->stage.tri = feedback_tri; + fs->stage.flush = feedback_flush; + fs->stage.reset_stipple_counter = feedback_reset_stipple_counter; + fs->stage.destroy = feedback_destroy; + fs->ctx = ctx; + + return &fs->stage; +} + + + +/********************************************************************** + * GL Selection functions + **********************************************************************/ + +static void +select_tri( struct draw_stage *stage, struct prim_header *prim ) +{ + struct feedback_stage *fs = feedback_stage(stage); + _mesa_update_hitflag( fs->ctx, prim->v[0]->data[0][2] ); + _mesa_update_hitflag( fs->ctx, prim->v[1]->data[0][2] ); + _mesa_update_hitflag( fs->ctx, prim->v[2]->data[0][2] ); +} + +static void +select_line( struct draw_stage *stage, struct prim_header *prim ) +{ + struct feedback_stage *fs = feedback_stage(stage); + _mesa_update_hitflag( fs->ctx, prim->v[0]->data[0][2] ); + _mesa_update_hitflag( fs->ctx, prim->v[1]->data[0][2] ); +} + + +static void +select_point( struct draw_stage *stage, struct prim_header *prim ) +{ + struct feedback_stage *fs = feedback_stage(stage); + _mesa_update_hitflag( fs->ctx, prim->v[0]->data[0][2] ); +} + + +static void +select_flush( struct draw_stage *stage, unsigned flags ) +{ + /* no-op */ +} + + +static void +select_reset_stipple_counter( struct draw_stage *stage ) +{ + /* no-op */ +} + +static void +select_destroy( struct draw_stage *stage ) +{ + /* no-op */ +} + + +/** + * Create GL selection mode drawing stage. + */ +static struct draw_stage * +draw_glselect_stage(struct gl_context *ctx, struct draw_context *draw) +{ + struct feedback_stage *fs = ST_CALLOC_STRUCT(feedback_stage); + + fs->stage.draw = draw; + fs->stage.next = NULL; + fs->stage.point = select_point; + fs->stage.line = select_line; + fs->stage.tri = select_tri; + fs->stage.flush = select_flush; + fs->stage.reset_stipple_counter = select_reset_stipple_counter; + fs->stage.destroy = select_destroy; + fs->ctx = ctx; + + return &fs->stage; +} + + +static void +st_RenderMode(struct gl_context *ctx, GLenum newMode ) +{ + struct st_context *st = st_context(ctx); + struct draw_context *draw = st->draw; + + if (newMode == GL_RENDER) { + /* restore normal VBO draw function */ + vbo_set_draw_func(ctx, st_draw_vbo); + } + else if (newMode == GL_SELECT) { + if (!st->selection_stage) + st->selection_stage = draw_glselect_stage(ctx, draw); + draw_set_rasterize_stage(draw, st->selection_stage); + /* Plug in new vbo draw function */ + vbo_set_draw_func(ctx, st_feedback_draw_vbo); + } + else { + if (!st->feedback_stage) + st->feedback_stage = draw_glfeedback_stage(ctx, draw); + draw_set_rasterize_stage(draw, st->feedback_stage); + /* Plug in new vbo draw function */ + vbo_set_draw_func(ctx, st_feedback_draw_vbo); + /* need to generate/use a vertex program that emits pos/color/tex */ + st->dirty.st |= ST_NEW_VERTEX_PROGRAM; + } +} + + + +void st_init_feedback_functions(struct dd_function_table *functions) +{ + functions->RenderMode = st_RenderMode; +} + +#endif /* FEATURE_feedback */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_feedback.h b/mesalib/src/mesa/state_tracker/st_cb_feedback.h new file mode 100644 index 000000000..761542dcd --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_feedback.h @@ -0,0 +1,51 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_CB_FEEDBACK_H +#define ST_CB_FEEDBACK_H + + +#include "main/compiler.h" + +struct dd_function_table; + +#if FEATURE_feedback + +extern void +st_init_feedback_functions(struct dd_function_table *functions); + +#else + +static INLINE void +st_init_feedback_functions(struct dd_function_table *functions) +{ +} + +#endif /* FEATURE_feedback */ + +#endif /* ST_CB_FEEDBACK_H */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_flush.c b/mesalib/src/mesa/state_tracker/st_cb_flush.c new file mode 100644 index 000000000..31189f360 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_flush.c @@ -0,0 +1,164 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + * Brian Paul + */ + +#include "main/glheader.h" +#include "main/macros.h" +#include "main/context.h" +#include "st_context.h" +#include "st_cb_bitmap.h" +#include "st_cb_flush.h" +#include "st_cb_clear.h" +#include "st_cb_fbo.h" +#include "st_manager.h" +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_screen.h" +#include "util/u_gen_mipmap.h" +#include "util/u_blit.h" + + +/** Check if we have a front color buffer and if it's been drawn to. */ +static INLINE GLboolean +is_front_buffer_dirty(struct st_context *st) +{ + struct gl_framebuffer *fb = st->ctx->DrawBuffer; + struct st_renderbuffer *strb + = st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer); + return strb && strb->defined; +} + + +/** + * Tell the screen to display the front color buffer on-screen. + */ +static void +display_front_buffer(struct st_context *st) +{ + struct gl_framebuffer *fb = st->ctx->DrawBuffer; + struct st_renderbuffer *strb + = st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer); + + if (strb) { + /* Hook for copying "fake" frontbuffer if necessary: + */ + st_manager_flush_frontbuffer(st); + } +} + + +void st_flush( struct st_context *st, uint pipeFlushFlags, + struct pipe_fence_handle **fence ) +{ + FLUSH_CURRENT(st->ctx, 0); + + /* Release any vertex buffers that might potentially be accessed in + * successive frames: + */ + st_flush_bitmap(st); + st_flush_clear(st); + util_blit_flush(st->blit); + util_gen_mipmap_flush(st->gen_mipmap); + + st->pipe->flush( st->pipe, pipeFlushFlags, fence ); +} + + +/** + * Flush, and wait for completion. + */ +void st_finish( struct st_context *st ) +{ + struct pipe_fence_handle *fence = NULL; + + st_flush(st, PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, &fence); + + if(fence) { + st->pipe->screen->fence_finish(st->pipe->screen, fence, 0); + st->pipe->screen->fence_reference(st->pipe->screen, &fence, NULL); + } +} + + + +/** + * Called via ctx->Driver.Flush() + */ +static void st_glFlush(struct gl_context *ctx) +{ + struct st_context *st = st_context(ctx); + + /* Don't call st_finish() here. It is not the state tracker's + * responsibilty to inject sleeps in the hope of avoiding buffer + * synchronization issues. Calling finish() here will just hide + * problems that need to be fixed elsewhere. + */ + st_flush(st, PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL); + + if (is_front_buffer_dirty(st)) { + display_front_buffer(st); + } +} + + +/** + * Called via ctx->Driver.Finish() + */ +static void st_glFinish(struct gl_context *ctx) +{ + struct st_context *st = st_context(ctx); + + st_finish(st); + + if (is_front_buffer_dirty(st)) { + display_front_buffer(st); + } +} + + +void st_init_flush_functions(struct dd_function_table *functions) +{ + functions->Flush = st_glFlush; + functions->Finish = st_glFinish; + + /* Windows opengl32.dll calls glFinish prior to every swapbuffers. + * This is unnecessary and degrades performance. Luckily we have some + * scope to work around this, as the externally-visible behaviour of + * Finish() is identical to Flush() in all cases - no differences in + * rendering or ReadPixels are visible if we opt not to wait here. + * + * Only set this up on windows to avoid suprise elsewhere. + */ +#ifdef PIPE_OS_WINDOWS + functions->Finish = st_glFlush; +#endif +} diff --git a/mesalib/src/mesa/state_tracker/st_cb_flush.h b/mesalib/src/mesa/state_tracker/st_cb_flush.h new file mode 100644 index 000000000..234713675 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_flush.h @@ -0,0 +1,51 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_CB_FLUSH_H +#define ST_CB_FLUSH_H + + +#include "pipe/p_compiler.h" + +struct dd_function_table; +struct pipe_fence_handle; +struct st_context; + +extern void +st_init_flush_functions(struct dd_function_table *functions); + +extern void +st_flush(struct st_context *st, uint pipeFlushFlags, + struct pipe_fence_handle **fence); + +extern void +st_finish(struct st_context *st); + + +#endif /* ST_CB_FLUSH_H */ + diff --git a/mesalib/src/mesa/state_tracker/st_cb_program.c b/mesalib/src/mesa/state_tracker/st_cb_program.c new file mode 100644 index 000000000..5096528a3 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_program.c @@ -0,0 +1,245 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + */ + +#include "main/glheader.h" +#include "main/macros.h" +#include "main/enums.h" +#include "main/shaderapi.h" +#include "program/prog_instruction.h" +#include "program/program.h" + +#include "cso_cache/cso_context.h" +#include "draw/draw_context.h" + +#include "st_context.h" +#include "st_program.h" +#include "st_mesa_to_tgsi.h" +#include "st_cb_program.h" + + + +/** + * Called via ctx->Driver.BindProgram() to bind an ARB vertex or + * fragment program. + */ +static void +st_bind_program(struct gl_context *ctx, GLenum target, struct gl_program *prog) +{ + struct st_context *st = st_context(ctx); + + switch (target) { + case GL_VERTEX_PROGRAM_ARB: + st->dirty.st |= ST_NEW_VERTEX_PROGRAM; + break; + case GL_FRAGMENT_PROGRAM_ARB: + st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM; + break; + case MESA_GEOMETRY_PROGRAM: + st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM; + break; + } +} + + +/** + * Called via ctx->Driver.UseProgram() to bind a linked GLSL program + * (vertex shader + fragment shader). + */ +static void +st_use_program(struct gl_context *ctx, struct gl_shader_program *shProg) +{ + struct st_context *st = st_context(ctx); + + st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM; + st->dirty.st |= ST_NEW_VERTEX_PROGRAM; + st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM; +} + + +/** + * Called via ctx->Driver.NewProgram() to allocate a new vertex or + * fragment program. + */ +static struct gl_program * +st_new_program(struct gl_context *ctx, GLenum target, GLuint id) +{ + switch (target) { + case GL_VERTEX_PROGRAM_ARB: { + struct st_vertex_program *prog = ST_CALLOC_STRUCT(st_vertex_program); + return _mesa_init_vertex_program(ctx, &prog->Base, target, id); + } + + case GL_FRAGMENT_PROGRAM_ARB: + case GL_FRAGMENT_PROGRAM_NV: { + struct st_fragment_program *prog = ST_CALLOC_STRUCT(st_fragment_program); + return _mesa_init_fragment_program(ctx, &prog->Base, target, id); + } + + case MESA_GEOMETRY_PROGRAM: { + struct st_geometry_program *prog = ST_CALLOC_STRUCT(st_geometry_program); + return _mesa_init_geometry_program(ctx, &prog->Base, target, id); + } + + default: + assert(0); + return NULL; + } +} + + +/** + * Called via ctx->Driver.DeleteProgram() + */ +static void +st_delete_program(struct gl_context *ctx, struct gl_program *prog) +{ + struct st_context *st = st_context(ctx); + + switch( prog->Target ) { + case GL_VERTEX_PROGRAM_ARB: + { + struct st_vertex_program *stvp = (struct st_vertex_program *) prog; + st_release_vp_variants( st, stvp ); + } + break; + case MESA_GEOMETRY_PROGRAM: + { + struct st_geometry_program *stgp = + (struct st_geometry_program *) prog; + + st_release_gp_variants(st, stgp); + + if (stgp->tgsi.tokens) { + st_free_tokens((void *) stgp->tgsi.tokens); + stgp->tgsi.tokens = NULL; + } + } + break; + case GL_FRAGMENT_PROGRAM_ARB: + { + struct st_fragment_program *stfp = + (struct st_fragment_program *) prog; + + st_release_fp_variants(st, stfp); + + if (stfp->tgsi.tokens) { + st_free_tokens(stfp->tgsi.tokens); + stfp->tgsi.tokens = NULL; + } + } + break; + default: + assert(0); /* problem */ + } + + /* delete base class */ + _mesa_delete_program( ctx, prog ); +} + + +/** + * Called via ctx->Driver.IsProgramNative() + */ +static GLboolean +st_is_program_native(struct gl_context *ctx, + GLenum target, + struct gl_program *prog) +{ + return GL_TRUE; +} + + +/** + * Called via ctx->Driver.ProgramStringNotify() + * Called when the program's text/code is changed. We have to free + * all shader variants and corresponding gallium shaders when this happens. + */ +static GLboolean +st_program_string_notify( struct gl_context *ctx, + GLenum target, + struct gl_program *prog ) +{ + struct st_context *st = st_context(ctx); + + if (target == GL_FRAGMENT_PROGRAM_ARB) { + struct st_fragment_program *stfp = (struct st_fragment_program *) prog; + + st_release_fp_variants(st, stfp); + + if (stfp->tgsi.tokens) { + st_free_tokens(stfp->tgsi.tokens); + stfp->tgsi.tokens = NULL; + } + + if (st->fp == stfp) + st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM; + } + else if (target == MESA_GEOMETRY_PROGRAM) { + struct st_geometry_program *stgp = (struct st_geometry_program *) prog; + + st_release_gp_variants(st, stgp); + + if (stgp->tgsi.tokens) { + st_free_tokens((void *) stgp->tgsi.tokens); + stgp->tgsi.tokens = NULL; + } + + if (st->gp == stgp) + st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM; + } + else if (target == GL_VERTEX_PROGRAM_ARB) { + struct st_vertex_program *stvp = (struct st_vertex_program *) prog; + + st_release_vp_variants( st, stvp ); + + if (st->vp == stvp) + st->dirty.st |= ST_NEW_VERTEX_PROGRAM; + } + + /* XXX check if program is legal, within limits */ + return GL_TRUE; +} + + +/** + * Plug in the program and shader-related device driver functions. + */ +void +st_init_program_functions(struct dd_function_table *functions) +{ + functions->BindProgram = st_bind_program; + functions->UseProgram = st_use_program; + functions->NewProgram = st_new_program; + functions->DeleteProgram = st_delete_program; + functions->IsProgramNative = st_is_program_native; + functions->ProgramStringNotify = st_program_string_notify; +} diff --git a/mesalib/src/mesa/state_tracker/st_cb_program.h b/mesalib/src/mesa/state_tracker/st_cb_program.h new file mode 100644 index 000000000..05d03e1e6 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_program.h @@ -0,0 +1,38 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef ST_CB_PROGRAM_H +#define ST_CB_PROGRAM_H + + +struct dd_function_table; + +extern void +st_init_program_functions(struct dd_function_table *functions); + + +#endif diff --git a/mesalib/src/mesa/state_tracker/st_cb_queryobj.c b/mesalib/src/mesa/state_tracker/st_cb_queryobj.c new file mode 100644 index 000000000..c589d7568 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_queryobj.c @@ -0,0 +1,176 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/** + * glBegin/EndQuery interface to pipe + * + * \author Brian Paul + */ + + +#include "main/imports.h" +#include "main/context.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "st_context.h" +#include "st_cb_queryobj.h" + + +#if FEATURE_queryobj + +static struct gl_query_object * +st_NewQueryObject(struct gl_context *ctx, GLuint id) +{ + struct st_query_object *stq = ST_CALLOC_STRUCT(st_query_object); + if (stq) { + stq->base.Id = id; + stq->base.Ready = GL_TRUE; + stq->pq = NULL; + stq->type = PIPE_QUERY_TYPES; /* an invalid value */ + return &stq->base; + } + return NULL; +} + + + +static void +st_DeleteQuery(struct gl_context *ctx, struct gl_query_object *q) +{ + struct pipe_context *pipe = st_context(ctx)->pipe; + struct st_query_object *stq = st_query_object(q); + + if (stq->pq) { + pipe->destroy_query(pipe, stq->pq); + stq->pq = NULL; + } + + free(stq); +} + + +static void +st_BeginQuery(struct gl_context *ctx, struct gl_query_object *q) +{ + struct pipe_context *pipe = st_context(ctx)->pipe; + struct st_query_object *stq = st_query_object(q); + unsigned type; + + /* convert GL query type to Gallium query type */ + switch (q->Target) { + case GL_SAMPLES_PASSED_ARB: + type = PIPE_QUERY_OCCLUSION_COUNTER; + break; + case GL_PRIMITIVES_GENERATED: + type = PIPE_QUERY_PRIMITIVES_GENERATED; + break; + case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN: + type = PIPE_QUERY_PRIMITIVES_EMITTED; + break; + case GL_TIME_ELAPSED_EXT: + type = PIPE_QUERY_TIME_ELAPSED; + break; + default: + assert(0 && "unexpected query target in st_BeginQuery()"); + return; + } + + if (stq->pq && stq->type != type) { + /* free old query of different type */ + pipe->destroy_query(pipe, stq->pq); + stq->pq = NULL; + stq->type = PIPE_QUERY_TYPES; /* an invalid value */ + } + + if (!stq->pq) { + stq->pq = pipe->create_query(pipe, type); + stq->type = type; + } + + assert(stq->type == type); + + pipe->begin_query(pipe, stq->pq); +} + + +static void +st_EndQuery(struct gl_context *ctx, struct gl_query_object *q) +{ + struct pipe_context *pipe = st_context(ctx)->pipe; + struct st_query_object *stq = st_query_object(q); + + pipe->end_query(pipe, stq->pq); +} + + +static void +st_WaitQuery(struct gl_context *ctx, struct gl_query_object *q) +{ + struct pipe_context *pipe = st_context(ctx)->pipe; + struct st_query_object *stq = st_query_object(q); + + /* this function should only be called if we don't have a ready result */ + assert(!stq->base.Ready); + + while (!stq->base.Ready && + !pipe->get_query_result(pipe, + stq->pq, + TRUE, + &q->Result)) + { + /* nothing */ + } + + q->Ready = GL_TRUE; +} + + +static void +st_CheckQuery(struct gl_context *ctx, struct gl_query_object *q) +{ + struct pipe_context *pipe = st_context(ctx)->pipe; + struct st_query_object *stq = st_query_object(q); + assert(!q->Ready); /* we should not get called if Ready is TRUE */ + q->Ready = pipe->get_query_result(pipe, stq->pq, FALSE, &q->Result); +} + + + + +void st_init_query_functions(struct dd_function_table *functions) +{ + functions->NewQueryObject = st_NewQueryObject; + functions->DeleteQuery = st_DeleteQuery; + functions->BeginQuery = st_BeginQuery; + functions->EndQuery = st_EndQuery; + functions->WaitQuery = st_WaitQuery; + functions->CheckQuery = st_CheckQuery; +} + +#endif /* FEATURE_queryobj */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_queryobj.h b/mesalib/src/mesa/state_tracker/st_cb_queryobj.h new file mode 100644 index 000000000..c755211b2 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_queryobj.h @@ -0,0 +1,69 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef ST_CB_QUERYOBJ_H +#define ST_CB_QUERYOBJ_H + + +#include "main/mtypes.h" + +/** + * Subclass of gl_query_object + */ +struct st_query_object +{ + struct gl_query_object base; + struct pipe_query *pq; + unsigned type; /**< PIPE_QUERY_x */ +}; + + +/** + * Cast wrapper + */ +static INLINE struct st_query_object * +st_query_object(struct gl_query_object *q) +{ + return (struct st_query_object *) q; +} + + +#if FEATURE_queryobj + +extern void +st_init_query_functions(struct dd_function_table *functions); + +#else + +static INLINE void +st_init_query_functions(struct dd_function_table *functions) +{ +} + +#endif /* FEATURE_queryobj */ + +#endif diff --git a/mesalib/src/mesa/state_tracker/st_cb_rasterpos.c b/mesalib/src/mesa/state_tracker/st_cb_rasterpos.c new file mode 100644 index 000000000..873560f45 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_rasterpos.c @@ -0,0 +1,271 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * glRasterPos implementation. Basically render a GL_POINT with our + * private draw module. Plug in a special "rasterpos" stage at the end + * of the 'draw' pipeline to capture the results and update the current + * raster pos attributes. + * + * Authors: + * Brian Paul + */ + + +#include "main/imports.h" +#include "main/macros.h" +#include "main/feedback.h" + +#include "st_context.h" +#include "st_atom.h" +#include "st_draw.h" +#include "st_cb_rasterpos.h" +#include "draw/draw_context.h" +#include "draw/draw_pipe.h" +#include "vbo/vbo.h" + + +#if FEATURE_rastpos + +/** + * Our special drawing pipeline stage (replaces rasterization). + */ +struct rastpos_stage +{ + struct draw_stage stage; /**< Base class */ + struct gl_context *ctx; /**< Rendering context */ + + /* vertex attrib info we can setup once and re-use */ + struct gl_client_array array[VERT_ATTRIB_MAX]; + const struct gl_client_array *arrays[VERT_ATTRIB_MAX]; + struct _mesa_prim prim; +}; + + +static INLINE struct rastpos_stage * +rastpos_stage( struct draw_stage *stage ) +{ + return (struct rastpos_stage *) stage; +} + +static void +rastpos_flush( struct draw_stage *stage, unsigned flags ) +{ + /* no-op */ +} + +static void +rastpos_reset_stipple_counter( struct draw_stage *stage ) +{ + /* no-op */ +} + +static void +rastpos_tri( struct draw_stage *stage, struct prim_header *prim ) +{ + /* should never get here */ + assert(0); +} + +static void +rastpos_line( struct draw_stage *stage, struct prim_header *prim ) +{ + /* should never get here */ + assert(0); +} + +static void +rastpos_destroy(struct draw_stage *stage) +{ + free(stage); +} + + +/** + * Update a raster pos attribute from the vertex result if it's present, + * else copy the current attrib. + */ +static void +update_attrib(struct gl_context *ctx, const GLuint *outputMapping, + const struct vertex_header *vert, + GLfloat *dest, + GLuint result, GLuint defaultAttrib) +{ + const GLfloat *src; + const GLuint k = outputMapping[result]; + if (k != ~0U) + src = vert->data[k]; + else + src = ctx->Current.Attrib[defaultAttrib]; + COPY_4V(dest, src); +} + + +/** + * Normally, this function would render a GL_POINT. + */ +static void +rastpos_point(struct draw_stage *stage, struct prim_header *prim) +{ + struct rastpos_stage *rs = rastpos_stage(stage); + struct gl_context *ctx = rs->ctx; + struct st_context *st = st_context(ctx); + const GLfloat height = (GLfloat) ctx->DrawBuffer->Height; + const GLuint *outputMapping = st->vertex_result_to_slot; + const GLfloat *pos; + GLuint i; + + /* if we get here, we didn't get clipped */ + ctx->Current.RasterPosValid = GL_TRUE; + + /* update raster pos */ + pos = prim->v[0]->data[0]; + ctx->Current.RasterPos[0] = pos[0]; + if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) + ctx->Current.RasterPos[1] = height - pos[1]; /* invert Y */ + else + ctx->Current.RasterPos[1] = pos[1]; + ctx->Current.RasterPos[2] = pos[2]; + ctx->Current.RasterPos[3] = pos[3]; + + /* update other raster attribs */ + update_attrib(ctx, outputMapping, prim->v[0], + ctx->Current.RasterColor, + VERT_RESULT_COL0, VERT_ATTRIB_COLOR0); + + update_attrib(ctx, outputMapping, prim->v[0], + ctx->Current.RasterSecondaryColor, + VERT_RESULT_COL1, VERT_ATTRIB_COLOR1); + + for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) { + update_attrib(ctx, outputMapping, prim->v[0], + ctx->Current.RasterTexCoords[i], + VERT_RESULT_TEX0 + i, VERT_ATTRIB_TEX0 + i); + } + + if (ctx->RenderMode == GL_SELECT) { + _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] ); + } +} + + +/** + * Create rasterpos "drawing" stage. + */ +static struct rastpos_stage * +new_draw_rastpos_stage(struct gl_context *ctx, struct draw_context *draw) +{ + struct rastpos_stage *rs = ST_CALLOC_STRUCT(rastpos_stage); + GLuint i; + + rs->stage.draw = draw; + rs->stage.next = NULL; + rs->stage.point = rastpos_point; + rs->stage.line = rastpos_line; + rs->stage.tri = rastpos_tri; + rs->stage.flush = rastpos_flush; + rs->stage.destroy = rastpos_destroy; + rs->stage.reset_stipple_counter = rastpos_reset_stipple_counter; + rs->stage.destroy = rastpos_destroy; + rs->ctx = ctx; + + for (i = 0; i < Elements(rs->array); i++) { + rs->array[i].Size = 4; + rs->array[i].Type = GL_FLOAT; + rs->array[i].Format = GL_RGBA; + rs->array[i].Stride = 0; + rs->array[i].StrideB = 0; + rs->array[i].Ptr = (GLubyte *) ctx->Current.Attrib[i]; + rs->array[i].Enabled = GL_TRUE; + rs->array[i].Normalized = GL_TRUE; + rs->array[i].BufferObj = NULL; + rs->arrays[i] = &rs->array[i]; + } + + rs->prim.mode = GL_POINTS; + rs->prim.indexed = 0; + rs->prim.begin = 1; + rs->prim.end = 1; + rs->prim.weak = 0; + rs->prim.start = 0; + rs->prim.count = 1; + + return rs; +} + + +static void +st_RasterPos(struct gl_context *ctx, const GLfloat v[4]) +{ + struct st_context *st = st_context(ctx); + struct draw_context *draw = st->draw; + struct rastpos_stage *rs; + + if (st->rastpos_stage) { + /* get rastpos stage info */ + rs = rastpos_stage(st->rastpos_stage); + } + else { + /* create rastpos draw stage */ + rs = new_draw_rastpos_stage(ctx, draw); + st->rastpos_stage = &rs->stage; + } + + /* plug our rastpos stage into the draw module */ + draw_set_rasterize_stage(st->draw, st->rastpos_stage); + + /* make sure everything's up to date */ + st_validate_state(st); + + /* This will get set only if rastpos_point(), above, gets called */ + ctx->Current.RasterPosValid = GL_FALSE; + + /* All vertex attribs but position were previously initialized above. + * Just plug in position pointer now. + */ + rs->array[0].Ptr = (GLubyte *) v; + + /* draw the point */ + st_feedback_draw_vbo(ctx, rs->arrays, &rs->prim, 1, NULL, GL_TRUE, 0, 1); + + /* restore draw's rasterization stage depending on rendermode */ + if (ctx->RenderMode == GL_FEEDBACK) { + draw_set_rasterize_stage(draw, st->feedback_stage); + } + else if (ctx->RenderMode == GL_SELECT) { + draw_set_rasterize_stage(draw, st->selection_stage); + } +} + + + +void st_init_rasterpos_functions(struct dd_function_table *functions) +{ + functions->RasterPos = st_RasterPos; +} + +#endif /* FEATURE_rastpos */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_rasterpos.h b/mesalib/src/mesa/state_tracker/st_cb_rasterpos.h new file mode 100644 index 000000000..35fe92046 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_rasterpos.h @@ -0,0 +1,49 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef ST_CB_RASTERPOS_H +#define ST_CB_RASTERPOS_H + + +#include "main/compiler.h" + +struct dd_function_table; + +#if FEATURE_rastpos + +extern void st_init_rasterpos_functions(struct dd_function_table *functions); + +#else + +static INLINE void +st_init_rasterpos_functions(struct dd_function_table *functions) +{ +} + +#endif /* FEATURE_rastpos */ + +#endif /* ST_CB_RASTERPOS_H */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c new file mode 100644 index 000000000..a03e53a50 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c @@ -0,0 +1,554 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/** + * glReadPixels interface to pipe + * + * \author Brian Paul + */ + + +#include "main/imports.h" +#include "main/bufferobj.h" +#include "main/context.h" +#include "main/image.h" +#include "main/pack.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "util/u_inlines.h" +#include "util/u_tile.h" + +#include "st_debug.h" +#include "st_context.h" +#include "st_atom.h" +#include "st_cb_bitmap.h" +#include "st_cb_readpixels.h" +#include "st_cb_fbo.h" + +/** + * Special case for reading stencil buffer. + * For color/depth we use get_tile(). For stencil, map the stencil buffer. + */ +void +st_read_stencil_pixels(struct gl_context *ctx, GLint x, GLint y, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *packing, + GLvoid *pixels) +{ + struct gl_framebuffer *fb = ctx->ReadBuffer; + struct pipe_context *pipe = st_context(ctx)->pipe; + struct st_renderbuffer *strb = st_renderbuffer(fb->_StencilBuffer); + struct pipe_transfer *pt; + ubyte *stmap; + GLint j; + + if (strb->Base.Wrapped) { + strb = st_renderbuffer(strb->Base.Wrapped); + } + + if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) { + y = ctx->DrawBuffer->Height - y - height; + } + + /* Create a read transfer from the renderbuffer's texture */ + + pt = pipe_get_transfer(pipe, strb->texture, + 0, 0, + PIPE_TRANSFER_READ, + x, y, width, height); + + /* map the stencil buffer */ + stmap = pipe_transfer_map(pipe, pt); + + /* width should never be > MAX_WIDTH since we did clipping earlier */ + ASSERT(width <= MAX_WIDTH); + + /* process image row by row */ + for (j = 0; j < height; j++) { + GLvoid *dest; + GLstencil sValues[MAX_WIDTH]; + GLfloat zValues[MAX_WIDTH]; + GLint srcY; + + if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) { + srcY = height - j - 1; + } + else { + srcY = j; + } + + /* get stencil (and Z) values */ + switch (pt->resource->format) { + case PIPE_FORMAT_S8_USCALED: + { + const ubyte *src = stmap + srcY * pt->stride; + memcpy(sValues, src, width); + } + break; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + if (format == GL_DEPTH_STENCIL) { + const uint *src = (uint *) (stmap + srcY * pt->stride); + const GLfloat scale = 1.0f / (0xffffff); + GLint k; + for (k = 0; k < width; k++) { + sValues[k] = src[k] >> 24; + zValues[k] = (src[k] & 0xffffff) * scale; + } + } + else { + const uint *src = (uint *) (stmap + srcY * pt->stride); + GLint k; + for (k = 0; k < width; k++) { + sValues[k] = src[k] >> 24; + } + } + break; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + if (format == GL_DEPTH_STENCIL) { + const uint *src = (uint *) (stmap + srcY * pt->stride); + const GLfloat scale = 1.0f / (0xffffff); + GLint k; + for (k = 0; k < width; k++) { + sValues[k] = src[k] & 0xff; + zValues[k] = (src[k] >> 8) * scale; + } + } + else { + const uint *src = (uint *) (stmap + srcY * pt->stride); + GLint k; + for (k = 0; k < width; k++) { + sValues[k] = src[k] & 0xff; + } + } + break; + default: + assert(0); + } + + /* store */ + dest = _mesa_image_address2d(packing, pixels, width, height, + format, type, j, 0); + if (format == GL_DEPTH_STENCIL) { + _mesa_pack_depth_stencil_span(ctx, width, dest, + zValues, sValues, packing); + } + else { + _mesa_pack_stencil_span(ctx, width, type, dest, sValues, packing); + } + } + + /* unmap the stencil buffer */ + pipe_transfer_unmap(pipe, pt); + pipe->transfer_destroy(pipe, pt); +} + + +/** + * Return renderbuffer to use for reading color pixels for glRead/CopyPixel + * commands. + */ +struct st_renderbuffer * +st_get_color_read_renderbuffer(struct gl_context *ctx) +{ + struct gl_framebuffer *fb = ctx->ReadBuffer; + struct st_renderbuffer *strb = + st_renderbuffer(fb->_ColorReadBuffer); + + return strb; +} + + +/** + * Try to do glReadPixels in a fast manner for common cases. + * \return GL_TRUE for success, GL_FALSE for failure + */ +static GLboolean +st_fast_readpixels(struct gl_context *ctx, struct st_renderbuffer *strb, + GLint x, GLint y, GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *pack, + GLvoid *dest) +{ + enum combination { + A8R8G8B8_UNORM_TO_RGBA_UBYTE, + A8R8G8B8_UNORM_TO_RGB_UBYTE, + A8R8G8B8_UNORM_TO_BGRA_UINT + } combo; + + if (ctx->_ImageTransferState) + return GL_FALSE; + + if (strb->format == PIPE_FORMAT_B8G8R8A8_UNORM && + format == GL_RGBA && type == GL_UNSIGNED_BYTE) { + combo = A8R8G8B8_UNORM_TO_RGBA_UBYTE; + } + else if (strb->format == PIPE_FORMAT_B8G8R8A8_UNORM && + format == GL_RGB && type == GL_UNSIGNED_BYTE) { + combo = A8R8G8B8_UNORM_TO_RGB_UBYTE; + } + else if (strb->format == PIPE_FORMAT_B8G8R8A8_UNORM && + format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8_REV) { + combo = A8R8G8B8_UNORM_TO_BGRA_UINT; + } + else { + return GL_FALSE; + } + + /*printf("st_fast_readpixels combo %d\n", (GLint) combo);*/ + + { + struct pipe_context *pipe = st_context(ctx)->pipe; + struct pipe_transfer *trans; + const GLubyte *map; + GLubyte *dst; + GLint row, col, dy, dstStride; + + if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { + /* convert GL Y to Gallium Y */ + y = strb->texture->height0 - y - height; + } + + trans = pipe_get_transfer(pipe, strb->texture, + 0, 0, + PIPE_TRANSFER_READ, + x, y, width, height); + if (!trans) { + return GL_FALSE; + } + + map = pipe_transfer_map(pipe, trans); + if (!map) { + pipe->transfer_destroy(pipe, trans); + return GL_FALSE; + } + + /* We always write to the user/dest buffer from low addr to high addr + * but the read order depends on renderbuffer orientation + */ + if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { + /* read source rows from bottom to top */ + y = height - 1; + dy = -1; + } + else { + /* read source rows from top to bottom */ + y = 0; + dy = 1; + } + + dst = _mesa_image_address2d(pack, dest, width, height, + format, type, 0, 0); + dstStride = _mesa_image_row_stride(pack, width, format, type); + + switch (combo) { + case A8R8G8B8_UNORM_TO_RGBA_UBYTE: + for (row = 0; row < height; row++) { + const GLubyte *src = map + y * trans->stride; + for (col = 0; col < width; col++) { + GLuint pixel = ((GLuint *) src)[col]; + dst[col*4+0] = (pixel >> 16) & 0xff; + dst[col*4+1] = (pixel >> 8) & 0xff; + dst[col*4+2] = (pixel >> 0) & 0xff; + dst[col*4+3] = (pixel >> 24) & 0xff; + } + dst += dstStride; + y += dy; + } + break; + case A8R8G8B8_UNORM_TO_RGB_UBYTE: + for (row = 0; row < height; row++) { + const GLubyte *src = map + y * trans->stride; + for (col = 0; col < width; col++) { + GLuint pixel = ((GLuint *) src)[col]; + dst[col*3+0] = (pixel >> 16) & 0xff; + dst[col*3+1] = (pixel >> 8) & 0xff; + dst[col*3+2] = (pixel >> 0) & 0xff; + } + dst += dstStride; + y += dy; + } + break; + case A8R8G8B8_UNORM_TO_BGRA_UINT: + for (row = 0; row < height; row++) { + const GLubyte *src = map + y * trans->stride; + memcpy(dst, src, 4 * width); + dst += dstStride; + y += dy; + } + break; + default: + ; /* nothing */ + } + + pipe_transfer_unmap(pipe, trans); + pipe->transfer_destroy(pipe, trans); + } + + return GL_TRUE; +} + + +/** + * Do glReadPixels by getting rows from the framebuffer transfer with + * get_tile(). Convert to requested format/type with Mesa image routines. + * Image transfer ops are done in software too. + */ +static void +st_readpixels(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *pack, + GLvoid *dest) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + GLfloat (*temp)[4]; + const GLbitfield transferOps = ctx->_ImageTransferState; + GLsizei i, j; + GLint yStep, dfStride; + GLfloat *df; + struct st_renderbuffer *strb; + struct gl_pixelstore_attrib clippedPacking = *pack; + struct pipe_transfer *trans; + + assert(ctx->ReadBuffer->Width > 0); + + st_validate_state(st); + + /* Do all needed clipping here, so that we can forget about it later */ + if (!_mesa_clip_readpixels(ctx, &x, &y, &width, &height, &clippedPacking)) { + /* The ReadPixels transfer is totally outside the window bounds */ + return; + } + + st_flush_bitmap_cache(st); + + dest = _mesa_map_pbo_dest(ctx, &clippedPacking, dest); + if (!dest) + return; + + if (format == GL_STENCIL_INDEX || + format == GL_DEPTH_STENCIL) { + st_read_stencil_pixels(ctx, x, y, width, height, + format, type, pack, dest); + return; + } + else if (format == GL_DEPTH_COMPONENT) { + strb = st_renderbuffer(ctx->ReadBuffer->_DepthBuffer); + if (strb->Base.Wrapped) { + strb = st_renderbuffer(strb->Base.Wrapped); + } + } + else { + /* Read color buffer */ + strb = st_get_color_read_renderbuffer(ctx); + } + + if (!strb) + return; + + /* try a fast-path readpixels before anything else */ + if (st_fast_readpixels(ctx, strb, x, y, width, height, + format, type, pack, dest)) { + /* success! */ + _mesa_unmap_pbo_dest(ctx, &clippedPacking); + return; + } + + /* allocate temp pixel row buffer */ + temp = (GLfloat (*)[4]) malloc(4 * width * sizeof(GLfloat)); + if (!temp) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glReadPixels"); + return; + } + + if (format == GL_RGBA && type == GL_FLOAT) { + /* write tile(row) directly into user's buffer */ + df = (GLfloat *) _mesa_image_address2d(&clippedPacking, dest, width, + height, format, type, 0, 0); + dfStride = width * 4; + } + else { + /* write tile(row) into temp row buffer */ + df = (GLfloat *) temp; + dfStride = 0; + } + + if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { + /* convert GL Y to Gallium Y */ + y = strb->Base.Height - y - height; + } + + /* Create a read transfer from the renderbuffer's texture */ + trans = pipe_get_transfer(pipe, strb->texture, + 0, 0, + PIPE_TRANSFER_READ, + x, y, width, height); + + /* determine bottom-to-top vs. top-to-bottom order */ + if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { + y = height - 1; + yStep = -1; + } + else { + y = 0; + yStep = 1; + } + + if (ST_DEBUG & DEBUG_FALLBACK) + debug_printf("%s: fallback processing\n", __FUNCTION__); + + /* + * Copy pixels from pipe_transfer to user memory + */ + { + /* dest of first pixel in client memory */ + GLubyte *dst = _mesa_image_address2d(&clippedPacking, dest, width, + height, format, type, 0, 0); + /* dest row stride */ + const GLint dstStride = _mesa_image_row_stride(&clippedPacking, width, + format, type); + + if (trans->resource->format == PIPE_FORMAT_Z24_UNORM_S8_USCALED || + trans->resource->format == PIPE_FORMAT_Z24X8_UNORM) { + if (format == GL_DEPTH_COMPONENT) { + for (i = 0; i < height; i++) { + GLuint ztemp[MAX_WIDTH]; + GLfloat zfloat[MAX_WIDTH]; + const double scale = 1.0 / ((1 << 24) - 1); + pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0); + y += yStep; + for (j = 0; j < width; j++) { + zfloat[j] = (float) (scale * (ztemp[j] & 0xffffff)); + } + _mesa_pack_depth_span(ctx, width, dst, type, + zfloat, &clippedPacking); + dst += dstStride; + } + } + else { + /* XXX: unreachable code -- should be before st_read_stencil_pixels */ + assert(format == GL_DEPTH_STENCIL_EXT); + for (i = 0; i < height; i++) { + GLuint *zshort = (GLuint *)dst; + pipe_get_tile_raw(pipe, trans, 0, y, width, 1, dst, 0); + y += yStep; + /* Reverse into 24/8 */ + for (j = 0; j < width; j++) { + zshort[j] = (zshort[j] << 8) | (zshort[j] >> 24); + } + dst += dstStride; + } + } + } + else if (trans->resource->format == PIPE_FORMAT_S8_USCALED_Z24_UNORM || + trans->resource->format == PIPE_FORMAT_X8Z24_UNORM) { + if (format == GL_DEPTH_COMPONENT) { + for (i = 0; i < height; i++) { + GLuint ztemp[MAX_WIDTH]; + GLfloat zfloat[MAX_WIDTH]; + const double scale = 1.0 / ((1 << 24) - 1); + pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0); + y += yStep; + for (j = 0; j < width; j++) { + zfloat[j] = (float) (scale * ((ztemp[j] >> 8) & 0xffffff)); + } + _mesa_pack_depth_span(ctx, width, dst, type, + zfloat, &clippedPacking); + dst += dstStride; + } + } + else { + /* XXX: unreachable code -- should be before st_read_stencil_pixels */ + assert(format == GL_DEPTH_STENCIL_EXT); + for (i = 0; i < height; i++) { + pipe_get_tile_raw(pipe, trans, 0, y, width, 1, dst, 0); + y += yStep; + dst += dstStride; + } + } + } + else if (trans->resource->format == PIPE_FORMAT_Z16_UNORM) { + for (i = 0; i < height; i++) { + GLushort ztemp[MAX_WIDTH]; + GLfloat zfloat[MAX_WIDTH]; + const double scale = 1.0 / 0xffff; + pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0); + y += yStep; + for (j = 0; j < width; j++) { + zfloat[j] = (float) (scale * ztemp[j]); + } + _mesa_pack_depth_span(ctx, width, dst, type, + zfloat, &clippedPacking); + dst += dstStride; + } + } + else if (trans->resource->format == PIPE_FORMAT_Z32_UNORM) { + for (i = 0; i < height; i++) { + GLuint ztemp[MAX_WIDTH]; + GLfloat zfloat[MAX_WIDTH]; + const double scale = 1.0 / 0xffffffff; + pipe_get_tile_raw(pipe, trans, 0, y, width, 1, ztemp, 0); + y += yStep; + for (j = 0; j < width; j++) { + zfloat[j] = (float) (scale * ztemp[j]); + } + _mesa_pack_depth_span(ctx, width, dst, type, + zfloat, &clippedPacking); + dst += dstStride; + } + } + else { + /* RGBA format */ + /* Do a row at a time to flip image data vertically */ + for (i = 0; i < height; i++) { + pipe_get_tile_rgba(pipe, trans, 0, y, width, 1, df); + y += yStep; + df += dfStride; + if (!dfStride) { + _mesa_pack_rgba_span_float(ctx, width, temp, format, type, dst, + &clippedPacking, transferOps); + dst += dstStride; + } + } + } + } + + free(temp); + + pipe->transfer_destroy(pipe, trans); + + _mesa_unmap_pbo_dest(ctx, &clippedPacking); +} + + +void st_init_readpixels_functions(struct dd_function_table *functions) +{ + functions->ReadPixels = st_readpixels; +} diff --git a/mesalib/src/mesa/state_tracker/st_cb_readpixels.h b/mesalib/src/mesa/state_tracker/st_cb_readpixels.h new file mode 100644 index 000000000..fba1a6540 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_readpixels.h @@ -0,0 +1,52 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_CB_READPIXELS_H +#define ST_CB_READPIXELS_H + +#include "main/glheader.h" + +struct dd_function_table; +struct gl_context; +struct gl_pixelstore_attrib; + +extern struct st_renderbuffer * +st_get_color_read_renderbuffer(struct gl_context *ctx); + +extern void +st_read_stencil_pixels(struct gl_context *ctx, GLint x, GLint y, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *packing, + GLvoid *pixels); + +extern void +st_init_readpixels_functions(struct dd_function_table *functions); + + +#endif /* ST_CB_READPIXELS_H */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_strings.c b/mesalib/src/mesa/state_tracker/st_cb_strings.c new file mode 100644 index 000000000..b382273ea --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_strings.c @@ -0,0 +1,73 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + * Brian Paul + */ + +#include "main/glheader.h" +#include "main/macros.h" +#include "pipe/p_context.h" +#include "pipe/p_screen.h" +#include "util/u_string.h" +#include "st_context.h" +#include "st_cb_strings.h" + +#define ST_VERSION_STRING "0.4" + +static const GLubyte * +st_get_string(struct gl_context * ctx, GLenum name) +{ + struct st_context *st = st_context(ctx); + struct pipe_screen *screen = st->pipe->screen; + + switch (name) { + case GL_VENDOR: { + const char *vendor = screen->get_vendor( screen ); + util_snprintf(st->vendor, sizeof(st->vendor), "%s", vendor); + return (GLubyte *) st->vendor; + } + + case GL_RENDERER: + util_snprintf(st->renderer, sizeof(st->renderer), "Gallium %s on %s", + ST_VERSION_STRING, + screen->get_name( screen )); + + return (GLubyte *) st->renderer; + + default: + return NULL; + } +} + + +void st_init_string_functions(struct dd_function_table *functions) +{ + functions->GetString = st_get_string; +} diff --git a/mesalib/src/mesa/state_tracker/st_cb_strings.h b/mesalib/src/mesa/state_tracker/st_cb_strings.h new file mode 100644 index 000000000..5b4fc2a72 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_strings.h @@ -0,0 +1,40 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_CB_STRINGS_H +#define ST_CB_STRINGS_H + + +struct dd_function_table; + +extern void +st_init_string_functions(struct dd_function_table *functions); + + +#endif /* ST_CB_CLEAR_H */ + diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c new file mode 100644 index 000000000..0bd312154 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c @@ -0,0 +1,2016 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "main/mfeatures.h" +#include "main/bufferobj.h" +#include "main/enums.h" +#include "main/fbobject.h" +#include "main/formats.h" +#include "main/image.h" +#include "main/imports.h" +#include "main/macros.h" +#include "main/mipmap.h" +#include "main/pack.h" +#include "main/pixeltransfer.h" +#include "main/texcompress.h" +#include "main/texfetch.h" +#include "main/texgetimage.h" +#include "main/teximage.h" +#include "main/texobj.h" +#include "main/texstore.h" + +#include "state_tracker/st_debug.h" +#include "state_tracker/st_context.h" +#include "state_tracker/st_cb_fbo.h" +#include "state_tracker/st_cb_flush.h" +#include "state_tracker/st_cb_texture.h" +#include "state_tracker/st_format.h" +#include "state_tracker/st_texture.h" +#include "state_tracker/st_gen_mipmap.h" +#include "state_tracker/st_atom.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "util/u_inlines.h" +#include "pipe/p_shader_tokens.h" +#include "util/u_tile.h" +#include "util/u_blit.h" +#include "util/u_format.h" +#include "util/u_surface.h" +#include "util/u_sampler.h" +#include "util/u_math.h" +#include "util/u_box.h" + +#define DBG if (0) printf + + +static enum pipe_texture_target +gl_target_to_pipe(GLenum target) +{ + switch (target) { + case GL_TEXTURE_1D: + return PIPE_TEXTURE_1D; + + case GL_TEXTURE_2D: + return PIPE_TEXTURE_2D; + + case GL_TEXTURE_RECTANGLE_NV: + return PIPE_TEXTURE_RECT; + + case GL_TEXTURE_3D: + return PIPE_TEXTURE_3D; + + case GL_TEXTURE_CUBE_MAP_ARB: + return PIPE_TEXTURE_CUBE; + + default: + assert(0); + return 0; + } +} + + +/** called via ctx->Driver.NewTextureImage() */ +static struct gl_texture_image * +st_NewTextureImage(struct gl_context * ctx) +{ + DBG("%s\n", __FUNCTION__); + (void) ctx; + return (struct gl_texture_image *) ST_CALLOC_STRUCT(st_texture_image); +} + + +/** called via ctx->Driver.NewTextureObject() */ +static struct gl_texture_object * +st_NewTextureObject(struct gl_context * ctx, GLuint name, GLenum target) +{ + struct st_texture_object *obj = ST_CALLOC_STRUCT(st_texture_object); + + DBG("%s\n", __FUNCTION__); + _mesa_initialize_texture_object(&obj->base, name, target); + + return &obj->base; +} + +/** called via ctx->Driver.DeleteTextureObject() */ +static void +st_DeleteTextureObject(struct gl_context *ctx, + struct gl_texture_object *texObj) +{ + struct st_context *st = st_context(ctx); + struct st_texture_object *stObj = st_texture_object(texObj); + if (stObj->pt) + pipe_resource_reference(&stObj->pt, NULL); + if (stObj->sampler_view) { + if (stObj->sampler_view->context != st->pipe) { + /* Take "ownership" of this texture sampler view by setting + * its context pointer to this context. This avoids potential + * crashes when the texture object is shared among contexts + * and the original/owner context has already been destroyed. + */ + stObj->sampler_view->context = st->pipe; + } + pipe_sampler_view_reference(&stObj->sampler_view, NULL); + } + _mesa_delete_texture_object(ctx, texObj); +} + + +/** called via ctx->Driver.FreeTexImageData() */ +static void +st_FreeTextureImageData(struct gl_context * ctx, struct gl_texture_image *texImage) +{ + struct st_texture_image *stImage = st_texture_image(texImage); + + DBG("%s\n", __FUNCTION__); + + if (stImage->pt) { + pipe_resource_reference(&stImage->pt, NULL); + } + + if (texImage->Data) { + _mesa_align_free(texImage->Data); + texImage->Data = NULL; + } +} + + +/** + * From linux kernel i386 header files, copes with odd sizes better + * than COPY_DWORDS would: + * XXX Put this in src/mesa/main/imports.h ??? + */ +#if defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86) +static INLINE void * +__memcpy(void *to, const void *from, size_t n) +{ + int d0, d1, d2; + __asm__ __volatile__("rep ; movsl\n\t" + "testb $2,%b4\n\t" + "je 1f\n\t" + "movsw\n" + "1:\ttestb $1,%b4\n\t" + "je 2f\n\t" + "movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2) + :"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from) + :"memory"); + return (to); +} +#else +#define __memcpy(a,b,c) memcpy(a,b,c) +#endif + + +/** + * The system memcpy (at least on ubuntu 5.10) has problems copying + * to agp (writecombined) memory from a source which isn't 64-byte + * aligned - there is a 4x performance falloff. + * + * The x86 __memcpy is immune to this but is slightly slower + * (10%-ish) than the system memcpy. + * + * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but + * isn't much faster than x86_memcpy for agp copies. + * + * TODO: switch dynamically. + */ +static void * +do_memcpy(void *dest, const void *src, size_t n) +{ + if ((((unsigned long) src) & 63) || (((unsigned long) dest) & 63)) { + return __memcpy(dest, src, n); + } + else + return memcpy(dest, src, n); +} + + +/** + * Return default texture resource binding bitmask for the given format. + */ +static GLuint +default_bindings(struct st_context *st, enum pipe_format format) +{ + struct pipe_screen *screen = st->pipe->screen; + const unsigned target = PIPE_TEXTURE_2D; + const unsigned geom = 0x0; + unsigned bindings; + + if (util_format_is_depth_or_stencil(format)) + bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_DEPTH_STENCIL; + else + bindings = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET; + + if (screen->is_format_supported(screen, format, target, 0, bindings, geom)) + return bindings; + else + return PIPE_BIND_SAMPLER_VIEW; +} + + +/** Return number of image dimensions (1, 2 or 3) for a texture target. */ +static GLuint +get_texture_dims(GLenum target) +{ + switch (target) { + case GL_TEXTURE_1D: + case GL_TEXTURE_1D_ARRAY_EXT: + return 1; + case GL_TEXTURE_2D: + case GL_TEXTURE_CUBE_MAP_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: + case GL_TEXTURE_RECTANGLE_NV: + case GL_TEXTURE_2D_ARRAY_EXT: + return 2; + case GL_TEXTURE_3D: + return 3; + default: + assert(0 && "invalid texture target in get_texture_dims()"); + return 1; + } +} + + +/** + * Try to allocate a pipe_resource object for the given st_texture_object. + * + * We use the given st_texture_image as a clue to determine the size of the + * mipmap image at level=0. + * + * \return GL_TRUE for success, GL_FALSE if out of memory. + */ +static GLboolean +guess_and_alloc_texture(struct st_context *st, + struct st_texture_object *stObj, + const struct st_texture_image *stImage) +{ + const GLuint dims = get_texture_dims(stObj->base.Target); + GLuint level, lastLevel, width, height, depth; + GLuint bindings; + enum pipe_format fmt; + + DBG("%s\n", __FUNCTION__); + + assert(!stObj->pt); + + level = stImage->level; + width = stImage->base.Width2; /* size w/out border */ + height = stImage->base.Height2; + depth = stImage->base.Depth2; + + assert(width > 0); + assert(height > 0); + assert(depth > 0); + + /* Depending on the image's size, we can't always make a guess here. + */ + if (level > 0) { + if ( (dims >= 1 && width == 1) || + (dims >= 2 && height == 1) || + (dims >= 3 && depth == 1) ) { + /* we can't determine the image size at level=0 */ + stObj->width0 = stObj->height0 = stObj->depth0 = 0; + /* this is not an out of memory error */ + return GL_TRUE; + } + } + + /* grow the image size until we hit level = 0 */ + while (level > 0) { + if (width != 1) + width <<= 1; + if (height != 1) + height <<= 1; + if (depth != 1) + depth <<= 1; + level--; + } + + assert(level == 0); + + /* At this point, (width x height x depth) is the expected size of + * the level=0 mipmap image. + */ + + /* Guess a reasonable value for lastLevel. With OpenGL we have no + * idea how many mipmap levels will be in a texture until we start + * to render with it. Make an educated guess here but be prepared + * to re-allocating a texture buffer with space for more (or fewer) + * mipmap levels later. + */ + if ((stObj->base.MinFilter == GL_NEAREST || + stObj->base.MinFilter == GL_LINEAR || + stImage->base._BaseFormat == GL_DEPTH_COMPONENT || + stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) && + !stObj->base.GenerateMipmap && + stImage->level == 0) { + /* only alloc space for a single mipmap level */ + lastLevel = 0; + } + else { + /* alloc space for a full mipmap */ + GLuint l2width = util_logbase2(width); + GLuint l2height = util_logbase2(height); + GLuint l2depth = util_logbase2(depth); + lastLevel = MAX2(MAX2(l2width, l2height), l2depth); + } + + /* Save the level=0 dimensions */ + stObj->width0 = width; + stObj->height0 = height; + stObj->depth0 = depth; + + fmt = st_mesa_format_to_pipe_format(stImage->base.TexFormat); + + bindings = default_bindings(st, fmt); + + stObj->pt = st_texture_create(st, + gl_target_to_pipe(stObj->base.Target), + fmt, + lastLevel, + width, + height, + depth, + bindings); + + DBG("%s returning %d\n", __FUNCTION__, (stObj->pt != NULL)); + + return stObj->pt != NULL; +} + + +/** + * Adjust pixel unpack params and image dimensions to strip off the + * texture border. + * Gallium doesn't support texture borders. They've seldem been used + * and seldom been implemented correctly anyway. + * \param unpackNew returns the new pixel unpack parameters + */ +static void +strip_texture_border(GLint border, + GLint *width, GLint *height, GLint *depth, + const struct gl_pixelstore_attrib *unpack, + struct gl_pixelstore_attrib *unpackNew) +{ + assert(border > 0); /* sanity check */ + + *unpackNew = *unpack; + + if (unpackNew->RowLength == 0) + unpackNew->RowLength = *width; + + if (depth && unpackNew->ImageHeight == 0) + unpackNew->ImageHeight = *height; + + unpackNew->SkipPixels += border; + if (height) + unpackNew->SkipRows += border; + if (depth) + unpackNew->SkipImages += border; + + assert(*width >= 3); + *width = *width - 2 * border; + if (height && *height >= 3) + *height = *height - 2 * border; + if (depth && *depth >= 3) + *depth = *depth - 2 * border; +} + + +/** + * Try to do texture compression via rendering. If the Gallium driver + * can render into a compressed surface this will allow us to do texture + * compression. + * \return GL_TRUE for success, GL_FALSE for failure + */ +static GLboolean +compress_with_blit(struct gl_context * ctx, + GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLint width, GLint height, GLint depth, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *unpack, + struct gl_texture_image *texImage) +{ + const GLuint dstImageOffsets[1] = {0}; + struct st_texture_image *stImage = st_texture_image(texImage); + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct pipe_screen *screen = pipe->screen; + gl_format mesa_format; + struct pipe_resource templ; + struct pipe_resource *src_tex; + struct pipe_sampler_view view_templ; + struct pipe_sampler_view *src_view; + struct pipe_surface *dst_surface, surf_tmpl; + struct pipe_transfer *tex_xfer; + void *map; + + if (!stImage->pt) { + /* XXX: Can this happen? Should we assert? */ + return GL_FALSE; + } + + /* get destination surface (in the compressed texture) */ + memset(&surf_tmpl, 0, sizeof(surf_tmpl)); + surf_tmpl.format = stImage->pt->format; + surf_tmpl.usage = PIPE_BIND_RENDER_TARGET; + surf_tmpl.u.tex.level = stImage->level; + surf_tmpl.u.tex.first_layer = stImage->face; + surf_tmpl.u.tex.last_layer = stImage->face; + dst_surface = pipe->create_surface(pipe, stImage->pt, &surf_tmpl); + if (!dst_surface) { + /* can't render into this format (or other problem) */ + return GL_FALSE; + } + + /* Choose format for the temporary RGBA texture image. + */ + mesa_format = st_ChooseTextureFormat(ctx, GL_RGBA, format, type); + assert(mesa_format); + if (!mesa_format) + return GL_FALSE; + + /* Create the temporary source texture + */ + memset(&templ, 0, sizeof(templ)); + templ.target = st->internal_target; + templ.format = st_mesa_format_to_pipe_format(mesa_format); + templ.width0 = width; + templ.height0 = height; + templ.depth0 = 1; + templ.array_size = 1; + templ.last_level = 0; + templ.usage = PIPE_USAGE_DEFAULT; + templ.bind = PIPE_BIND_SAMPLER_VIEW; + src_tex = screen->resource_create(screen, &templ); + + if (!src_tex) + return GL_FALSE; + + /* Put user's tex data into the temporary texture + */ + tex_xfer = pipe_get_transfer(st_context(ctx)->pipe, src_tex, + 0, 0, /* layer, level are zero */ + PIPE_TRANSFER_WRITE, + 0, 0, width, height); /* x, y, w, h */ + map = pipe_transfer_map(pipe, tex_xfer); + + _mesa_texstore(ctx, 2, GL_RGBA, mesa_format, + map, /* dest ptr */ + 0, 0, 0, /* dest x/y/z offset */ + tex_xfer->stride, /* dest row stride (bytes) */ + dstImageOffsets, /* image offsets (for 3D only) */ + width, height, 1, /* size */ + format, type, /* source format/type */ + pixels, /* source data */ + unpack); /* source data packing */ + + pipe_transfer_unmap(pipe, tex_xfer); + pipe->transfer_destroy(pipe, tex_xfer); + + /* Create temporary sampler view */ + u_sampler_view_default_template(&view_templ, + src_tex, + src_tex->format); + src_view = pipe->create_sampler_view(pipe, src_tex, &view_templ); + + + /* copy / compress image */ + util_blit_pixels_tex(st->blit, + src_view, /* sampler view (src) */ + 0, 0, /* src x0, y0 */ + width, height, /* src x1, y1 */ + dst_surface, /* pipe_surface (dst) */ + xoffset, yoffset, /* dst x0, y0 */ + xoffset + width, /* dst x1 */ + yoffset + height, /* dst y1 */ + 0.0, /* z */ + PIPE_TEX_MIPFILTER_NEAREST); + + pipe_surface_reference(&dst_surface, NULL); + pipe_resource_reference(&src_tex, NULL); + pipe_sampler_view_reference(&src_view, NULL); + + return GL_TRUE; +} + + +/** + * Do glTexImage1/2/3D(). + */ +static void +st_TexImage(struct gl_context * ctx, + GLint dims, + GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint depth, + GLint border, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *unpack, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage, + GLsizei imageSize, GLboolean compressed_src) +{ + struct st_context *st = st_context(ctx); + struct pipe_screen *screen = st->pipe->screen; + struct st_texture_object *stObj = st_texture_object(texObj); + struct st_texture_image *stImage = st_texture_image(texImage); + GLuint dstRowStride = 0; + struct gl_pixelstore_attrib unpackNB; + enum pipe_transfer_usage transfer_usage = 0; + + DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__, + _mesa_lookup_enum_by_nr(target), level, width, height, depth, border); + + /* switch to "normal" */ + if (stObj->surface_based) { + gl_format texFormat; + + _mesa_clear_texture_object(ctx, texObj); + pipe_resource_reference(&stObj->pt, NULL); + + /* oops, need to init this image again */ + texFormat = _mesa_choose_texture_format(ctx, texObj, target, level, + internalFormat, format, type); + + _mesa_init_teximage_fields(ctx, target, texImage, + width, height, depth, border, + internalFormat, texFormat); + + stObj->surface_based = GL_FALSE; + } + + /* gallium does not support texture borders, strip it off */ + if (border) { + strip_texture_border(border, &width, &height, &depth, unpack, &unpackNB); + unpack = &unpackNB; + texImage->Width = width; + texImage->Height = height; + texImage->Depth = depth; + texImage->Border = 0; + border = 0; + } + else { + assert(texImage->Width == width); + assert(texImage->Height == height); + assert(texImage->Depth == depth); + } + + stImage->face = _mesa_tex_target_to_face(target); + stImage->level = level; + + _mesa_set_fetch_functions(texImage, dims); + + /* Release the reference to a potentially orphaned buffer. + * Release any old malloced memory. + */ + if (stImage->pt) { + pipe_resource_reference(&stImage->pt, NULL); + assert(!texImage->Data); + } + else if (texImage->Data) { + _mesa_align_free(texImage->Data); + } + + /* + * See if the new image is somehow incompatible with the existing + * mipmap. If so, free the old mipmap. + */ + if (stObj->pt) { + if (level > (GLint) stObj->pt->last_level || + !st_texture_match_image(stObj->pt, &stImage->base, + stImage->face, stImage->level)) { + DBG("release it\n"); + pipe_resource_reference(&stObj->pt, NULL); + assert(!stObj->pt); + pipe_sampler_view_reference(&stObj->sampler_view, NULL); + } + } + + if (width == 0 || height == 0 || depth == 0) { + /* stop after freeing old image */ + return; + } + + if (!stObj->pt) { + if (!guess_and_alloc_texture(st, stObj, stImage)) { + /* Probably out of memory. + * Try flushing any pending rendering, then retry. + */ + st_finish(st); + if (!guess_and_alloc_texture(st, stObj, stImage)) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); + return; + } + } + } + + assert(!stImage->pt); + + /* Check if this texture image can live inside the texture object's buffer. + * If so, store the image there. Otherwise the image will temporarily live + * in its own buffer. + */ + if (stObj->pt && + st_texture_match_image(stObj->pt, &stImage->base, + stImage->face, stImage->level)) { + + pipe_resource_reference(&stImage->pt, stObj->pt); + assert(stImage->pt); + } + + if (!stImage->pt) + DBG("XXX: Image did not fit into texture - storing in local memory!\n"); + + /* Pixel data may come from regular user memory or a PBO. For the later, + * do bounds checking and map the PBO to read pixels data from it. + * + * XXX we should try to use a GPU-accelerated path to copy the image data + * from the PBO to the texture. + */ + if (compressed_src) { + pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels, + unpack, + "glCompressedTexImage"); + } + else { + pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1, + format, type, + pixels, unpack, "glTexImage"); + } + + /* See if we can do texture compression with a blit/render. + */ + if (!compressed_src && + !ctx->Mesa_DXTn && + _mesa_is_format_compressed(texImage->TexFormat) && + screen->is_format_supported(screen, + stImage->pt->format, + stImage->pt->target, 0, + PIPE_BIND_RENDER_TARGET, 0)) { + if (!pixels) + goto done; + + if (compress_with_blit(ctx, target, level, 0, 0, 0, width, height, depth, + format, type, pixels, unpack, texImage)) { + goto done; + } + } + + /* + * Prepare to store the texture data. Either map the gallium texture buffer + * memory or malloc space for it. + */ + if (stImage->pt) { + /* Store the image in the gallium texture memory buffer */ + if (format == GL_DEPTH_COMPONENT && + util_format_is_depth_and_stencil(stImage->pt->format)) + transfer_usage = PIPE_TRANSFER_READ_WRITE; + else + transfer_usage = PIPE_TRANSFER_WRITE; + + texImage->Data = st_texture_image_map(st, stImage, 0, + transfer_usage, 0, 0, width, height); + if(stImage->transfer) + dstRowStride = stImage->transfer->stride; + } + else { + /* Allocate regular memory and store the image there temporarily. */ + GLuint imageSize = _mesa_format_image_size(texImage->TexFormat, + width, height, depth); + dstRowStride = _mesa_format_row_stride(texImage->TexFormat, width); + + texImage->Data = _mesa_align_malloc(imageSize, 16); + } + + if (!texImage->Data) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); + return; + } + + if (!pixels) { + /* We've allocated texture memory, but have no pixel data - all done. */ + goto done; + } + + DBG("Upload image %dx%dx%d row_len %x pitch %x\n", + width, height, depth, width, dstRowStride); + + /* Copy user texture image into the texture buffer. + */ + if (compressed_src) { + const GLuint srcRowStride = + _mesa_format_row_stride(texImage->TexFormat, width); + if (dstRowStride == srcRowStride) { + memcpy(texImage->Data, pixels, imageSize); + } + else { + char *dst = texImage->Data; + const char *src = pixels; + GLuint i, bw, bh, lines; + _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh); + lines = (height + bh - 1) / bh; + + for (i = 0; i < lines; ++i) { + memcpy(dst, src, srcRowStride); + dst += dstRowStride; + src += srcRowStride; + } + } + } + else { + const GLuint srcImageStride = + _mesa_image_image_stride(unpack, width, height, format, type); + GLint i; + const GLubyte *src = (const GLubyte *) pixels; + + for (i = 0; i < depth; i++) { + if (!_mesa_texstore(ctx, dims, + texImage->_BaseFormat, + texImage->TexFormat, + texImage->Data, + 0, 0, 0, /* dstX/Y/Zoffset */ + dstRowStride, + texImage->ImageOffsets, + width, height, 1, + format, type, src, unpack)) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); + } + + if (stImage->pt && i + 1 < depth) { + /* unmap this slice */ + st_texture_image_unmap(st, stImage); + /* map next slice of 3D texture */ + texImage->Data = st_texture_image_map(st, stImage, i + 1, + transfer_usage, 0, 0, + width, height); + src += srcImageStride; + } + } + } + +done: + _mesa_unmap_teximage_pbo(ctx, unpack); + + if (stImage->pt && texImage->Data) { + st_texture_image_unmap(st, stImage); + texImage->Data = NULL; + } +} + + +static void +st_TexImage3D(struct gl_context * ctx, + GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint depth, + GLint border, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *unpack, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + st_TexImage(ctx, 3, target, level, internalFormat, width, height, depth, + border, format, type, pixels, unpack, texObj, texImage, + 0, GL_FALSE); +} + + +static void +st_TexImage2D(struct gl_context * ctx, + GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint border, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *unpack, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border, + format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE); +} + + +static void +st_TexImage1D(struct gl_context * ctx, + GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint border, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *unpack, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + st_TexImage(ctx, 1, target, level, internalFormat, width, 1, 1, border, + format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE); +} + + +static void +st_CompressedTexImage2D(struct gl_context *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border, + 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, GL_TRUE); +} + + + +/** + * glGetTexImage() helper: decompress a compressed texture by rendering + * a textured quad. Store the results in the user's buffer. + */ +static void +decompress_with_blit(struct gl_context * ctx, GLenum target, GLint level, + GLenum format, GLenum type, GLvoid *pixels, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct st_texture_image *stImage = st_texture_image(texImage); + struct st_texture_object *stObj = st_texture_object(texObj); + struct pipe_sampler_view *src_view = + st_get_texture_sampler_view(stObj, pipe); + const GLuint width = texImage->Width; + const GLuint height = texImage->Height; + struct pipe_surface *dst_surface; + struct pipe_resource *dst_texture; + struct pipe_transfer *tex_xfer; + unsigned bind = (PIPE_BIND_RENDER_TARGET | /* util_blit may choose to render */ + PIPE_BIND_TRANSFER_READ); + + /* create temp / dest surface */ + if (!util_create_rgba_surface(pipe, width, height, bind, + &dst_texture, &dst_surface)) { + _mesa_problem(ctx, "util_create_rgba_surface() failed " + "in decompress_with_blit()"); + return; + } + + /* blit/render/decompress */ + util_blit_pixels_tex(st->blit, + src_view, /* pipe_resource (src) */ + 0, 0, /* src x0, y0 */ + width, height, /* src x1, y1 */ + dst_surface, /* pipe_surface (dst) */ + 0, 0, /* dst x0, y0 */ + width, height, /* dst x1, y1 */ + 0.0, /* z */ + PIPE_TEX_MIPFILTER_NEAREST); + + /* map the dst_surface so we can read from it */ + tex_xfer = pipe_get_transfer(st_context(ctx)->pipe, + dst_texture, 0, 0, + PIPE_TRANSFER_READ, + 0, 0, width, height); + + pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels); + + /* copy/pack data into user buffer */ + if (st_equal_formats(stImage->pt->format, format, type)) { + /* memcpy */ + const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format); + ubyte *map = pipe_transfer_map(pipe, tex_xfer); + GLuint row; + for (row = 0; row < height; row++) { + GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, + height, format, type, row, 0); + memcpy(dest, map, bytesPerRow); + map += tex_xfer->stride; + } + pipe_transfer_unmap(pipe, tex_xfer); + } + else { + /* format translation via floats */ + GLuint row; + for (row = 0; row < height; row++) { + const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */ + GLfloat rgba[4 * MAX_WIDTH]; + GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width, + height, format, type, row, 0); + + if (ST_DEBUG & DEBUG_FALLBACK) + debug_printf("%s: fallback format translation\n", __FUNCTION__); + + /* get float[4] rgba row from surface */ + pipe_get_tile_rgba(pipe, tex_xfer, 0, row, width, 1, rgba); + + _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format, + type, dest, &ctx->Pack, transferOps); + } + } + + _mesa_unmap_pbo_dest(ctx, &ctx->Pack); + + pipe->transfer_destroy(pipe, tex_xfer); + + /* destroy the temp / dest surface */ + util_destroy_rgba_surface(dst_texture, dst_surface); +} + + + +/** + * Need to map texture image into memory before copying image data, + * then unmap it. + */ +static void +st_get_tex_image(struct gl_context * ctx, GLenum target, GLint level, + GLenum format, GLenum type, GLvoid * pixels, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage, GLboolean compressed_dst) +{ + struct st_context *st = st_context(ctx); + struct st_texture_image *stImage = st_texture_image(texImage); + const GLuint dstImageStride = + _mesa_image_image_stride(&ctx->Pack, texImage->Width, texImage->Height, + format, type); + GLuint depth, i; + GLubyte *dest; + + if (stImage->pt && + util_format_is_s3tc(stImage->pt->format) && + !compressed_dst) { + /* Need to decompress the texture. + * We'll do this by rendering a textured quad. + * Note that we only expect RGBA formats (no Z/depth formats). + */ + decompress_with_blit(ctx, target, level, format, type, pixels, + texObj, texImage); + return; + } + + /* Map */ + if (stImage->pt) { + /* Image is stored in hardware format in a buffer managed by the + * kernel. Need to explicitly map and unmap it. + */ + texImage->Data = st_texture_image_map(st, stImage, 0, + PIPE_TRANSFER_READ, 0, 0, + stImage->base.Width, + stImage->base.Height); + /* compute stride in texels from stride in bytes */ + texImage->RowStride = stImage->transfer->stride + * util_format_get_blockwidth(stImage->pt->format) + / util_format_get_blocksize(stImage->pt->format); + } + else { + /* Otherwise, the image should actually be stored in + * texImage->Data. This is pretty confusing for + * everybody, I'd much prefer to separate the two functions of + * texImage->Data - storage for texture images in main memory + * and access (ie mappings) of images. In other words, we'd + * create a new texImage->Map field and leave Data simply for + * storage. + */ + assert(texImage->Data); + } + + depth = texImage->Depth; + texImage->Depth = 1; + + dest = (GLubyte *) pixels; + + _mesa_set_fetch_functions(texImage, get_texture_dims(target)); + + for (i = 0; i < depth; i++) { + if (compressed_dst) { + _mesa_get_compressed_teximage(ctx, target, level, dest, + texObj, texImage); + } + else { + _mesa_get_teximage(ctx, target, level, format, type, dest, + texObj, texImage); + } + + if (stImage->pt && i + 1 < depth) { + /* unmap this slice */ + st_texture_image_unmap(st, stImage); + /* map next slice of 3D texture */ + texImage->Data = st_texture_image_map(st, stImage, i + 1, + PIPE_TRANSFER_READ, 0, 0, + stImage->base.Width, + stImage->base.Height); + dest += dstImageStride; + } + } + + texImage->Depth = depth; + + /* Unmap */ + if (stImage->pt) { + st_texture_image_unmap(st, stImage); + texImage->Data = NULL; + } +} + + +static void +st_GetTexImage(struct gl_context * ctx, GLenum target, GLint level, + GLenum format, GLenum type, GLvoid * pixels, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + st_get_tex_image(ctx, target, level, format, type, pixels, texObj, texImage, + GL_FALSE); +} + + +static void +st_GetCompressedTexImage(struct gl_context *ctx, GLenum target, GLint level, + GLvoid *pixels, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + st_get_tex_image(ctx, target, level, 0, 0, pixels, texObj, texImage, + GL_TRUE); +} + + + +static void +st_TexSubimage(struct gl_context *ctx, GLint dims, GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLint width, GLint height, GLint depth, + GLenum format, GLenum type, const void *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + struct st_context *st = st_context(ctx); + struct pipe_screen *screen = st->pipe->screen; + struct st_texture_image *stImage = st_texture_image(texImage); + GLuint dstRowStride; + const GLuint srcImageStride = + _mesa_image_image_stride(packing, width, height, format, type); + GLint i; + const GLubyte *src; + /* init to silence warning only: */ + enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE; + + DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__, + _mesa_lookup_enum_by_nr(target), + level, xoffset, yoffset, width, height); + + pixels = + _mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format, + type, pixels, packing, "glTexSubImage2D"); + if (!pixels) + return; + + /* See if we can do texture compression with a blit/render. + */ + if (!ctx->Mesa_DXTn && + _mesa_is_format_compressed(texImage->TexFormat) && + screen->is_format_supported(screen, + stImage->pt->format, + stImage->pt->target, 0, + PIPE_BIND_RENDER_TARGET, 0)) { + if (compress_with_blit(ctx, target, level, + xoffset, yoffset, zoffset, + width, height, depth, + format, type, pixels, packing, texImage)) { + goto done; + } + } + + /* Map buffer if necessary. Need to lock to prevent other contexts + * from uploading the buffer under us. + */ + if (stImage->pt) { + if (format == GL_DEPTH_COMPONENT && + util_format_is_depth_and_stencil(stImage->pt->format)) + transfer_usage = PIPE_TRANSFER_READ_WRITE; + else + transfer_usage = PIPE_TRANSFER_WRITE; + + texImage->Data = st_texture_image_map(st, stImage, zoffset, + transfer_usage, + xoffset, yoffset, + width, height); + } + + if (!texImage->Data) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); + goto done; + } + + src = (const GLubyte *) pixels; + dstRowStride = stImage->transfer->stride; + + for (i = 0; i < depth; i++) { + if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat, + texImage->TexFormat, + texImage->Data, + 0, 0, 0, + dstRowStride, + texImage->ImageOffsets, + width, height, 1, + format, type, src, packing)) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); + } + + if (stImage->pt && i + 1 < depth) { + /* unmap this slice */ + st_texture_image_unmap(st, stImage); + /* map next slice of 3D texture */ + texImage->Data = st_texture_image_map(st, stImage, + zoffset + i + 1, + transfer_usage, + xoffset, yoffset, + width, height); + src += srcImageStride; + } + } + +done: + _mesa_unmap_teximage_pbo(ctx, packing); + + if (stImage->pt && texImage->Data) { + st_texture_image_unmap(st, stImage); + texImage->Data = NULL; + } +} + + + +static void +st_TexSubImage3D(struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLsizei height, GLsizei depth, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + st_TexSubimage(ctx, 3, target, level, xoffset, yoffset, zoffset, + width, height, depth, format, type, + pixels, packing, texObj, texImage); +} + + +static void +st_TexSubImage2D(struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, + GLenum format, GLenum type, const GLvoid * pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + st_TexSubimage(ctx, 2, target, level, xoffset, yoffset, 0, + width, height, 1, format, type, + pixels, packing, texObj, texImage); +} + + +static void +st_TexSubImage1D(struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, GLsizei width, GLenum format, GLenum type, + const GLvoid * pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + st_TexSubimage(ctx, 1, target, level, xoffset, 0, 0, width, 1, 1, + format, type, pixels, packing, texObj, texImage); +} + + +static void +st_CompressedTexSubImage1D(struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, GLsizei width, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + assert(0); +} + + +static void +st_CompressedTexSubImage2D(struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLint height, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + struct st_context *st = st_context(ctx); + struct st_texture_image *stImage = st_texture_image(texImage); + int srcBlockStride; + int dstBlockStride; + int y; + enum pipe_format pformat; + + if (stImage->pt) { + pformat = stImage->pt->format; + + texImage->Data = st_texture_image_map(st, stImage, 0, + PIPE_TRANSFER_WRITE, + xoffset, yoffset, + width, height); + + srcBlockStride = util_format_get_stride(pformat, width); + dstBlockStride = stImage->transfer->stride; + } else { + assert(stImage->pt); + /* TODO find good values for block and strides */ + /* TODO also adjust texImage->data for yoffset/xoffset */ + return; + } + + if (!texImage->Data) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage"); + return; + } + + assert(xoffset % util_format_get_blockwidth(pformat) == 0); + assert(yoffset % util_format_get_blockheight(pformat) == 0); + + for (y = 0; y < height; y += util_format_get_blockheight(pformat)) { + /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */ + const char *src = (const char*)data + srcBlockStride * util_format_get_nblocksy(pformat, y); + char *dst = (char*)texImage->Data + dstBlockStride * util_format_get_nblocksy(pformat, y); + memcpy(dst, src, util_format_get_stride(pformat, width)); + } + + if (stImage->pt) { + st_texture_image_unmap(st, stImage); + texImage->Data = NULL; + } +} + + +static void +st_CompressedTexSubImage3D(struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLint height, GLint depth, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage) +{ + assert(0); +} + + + +/** + * Do a CopyTexSubImage operation using a read transfer from the source, + * a write transfer to the destination and get_tile()/put_tile() to access + * the pixels/texels. + * + * Note: srcY=0=TOP of renderbuffer + */ +static void +fallback_copy_texsubimage(struct gl_context *ctx, GLenum target, GLint level, + struct st_renderbuffer *strb, + struct st_texture_image *stImage, + GLenum baseFormat, + GLint destX, GLint destY, GLint destZ, + GLint srcX, GLint srcY, + GLsizei width, GLsizei height) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct pipe_transfer *src_trans; + GLvoid *texDest; + enum pipe_transfer_usage transfer_usage; + + if (ST_DEBUG & DEBUG_FALLBACK) + debug_printf("%s: fallback processing\n", __FUNCTION__); + + assert(width <= MAX_WIDTH); + + if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { + srcY = strb->Base.Height - srcY - height; + } + + src_trans = pipe_get_transfer(st_context(ctx)->pipe, + strb->texture, + 0, 0, + PIPE_TRANSFER_READ, + srcX, srcY, + width, height); + + if ((baseFormat == GL_DEPTH_COMPONENT || + baseFormat == GL_DEPTH_STENCIL) && + util_format_is_depth_and_stencil(stImage->pt->format)) + transfer_usage = PIPE_TRANSFER_READ_WRITE; + else + transfer_usage = PIPE_TRANSFER_WRITE; + + /* XXX this used to ignore destZ param */ + texDest = st_texture_image_map(st, stImage, destZ, transfer_usage, + destX, destY, width, height); + + if (baseFormat == GL_DEPTH_COMPONENT || + baseFormat == GL_DEPTH_STENCIL) { + const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F || + ctx->Pixel.DepthBias != 0.0F); + GLint row, yStep; + + /* determine bottom-to-top vs. top-to-bottom order for src buffer */ + if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { + srcY = height - 1; + yStep = -1; + } + else { + srcY = 0; + yStep = 1; + } + + /* To avoid a large temp memory allocation, do copy row by row */ + for (row = 0; row < height; row++, srcY += yStep) { + uint data[MAX_WIDTH]; + pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data); + if (scaleOrBias) { + _mesa_scale_and_bias_depth_uint(ctx, width, data); + } + pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data); + } + } + else { + /* RGBA format */ + GLfloat *tempSrc = + (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); + + if (tempSrc && texDest) { + const GLint dims = 2; + const GLint dstRowStride = stImage->transfer->stride; + struct gl_texture_image *texImage = &stImage->base; + struct gl_pixelstore_attrib unpack = ctx->DefaultPacking; + + if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) { + unpack.Invert = GL_TRUE; + } + + /* get float/RGBA image from framebuffer */ + /* XXX this usually involves a lot of int/float conversion. + * try to avoid that someday. + */ + pipe_get_tile_rgba(pipe, src_trans, 0, 0, width, height, tempSrc); + + /* Store into texture memory. + * Note that this does some special things such as pixel transfer + * ops and format conversion. In particular, if the dest tex format + * is actually RGBA but the user created the texture as GL_RGB we + * need to fill-in/override the alpha channel with 1.0. + */ + _mesa_texstore(ctx, dims, + texImage->_BaseFormat, + texImage->TexFormat, + texDest, + 0, 0, 0, + dstRowStride, + texImage->ImageOffsets, + width, height, 1, + GL_RGBA, GL_FLOAT, tempSrc, /* src */ + &unpack); + } + else { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage"); + } + + if (tempSrc) + free(tempSrc); + } + + st_texture_image_unmap(st, stImage); + pipe->transfer_destroy(pipe, src_trans); +} + + + +/** + * If the format of the src renderbuffer and the format of the dest + * texture are compatible (in terms of blitting), return a TGSI writemask + * to be used during the blit. + * If the src/dest are incompatible, return 0. + */ +static unsigned +compatible_src_dst_formats(struct gl_context *ctx, + const struct gl_renderbuffer *src, + const struct gl_texture_image *dst) +{ + /* Get logical base formats for the src and dest. + * That is, use the user-requested formats and not the actual, device- + * chosen formats. + * For example, the user may have requested an A8 texture but the + * driver may actually be using an RGBA texture format. When we + * copy/blit to that texture, we only want to copy the Alpha channel + * and not the RGB channels. + * + * Similarly, when the src FBO was created an RGB format may have been + * requested but the driver actually chose an RGBA format. In that case, + * we don't want to copy the undefined Alpha channel to the dest texture + * (it should be 1.0). + */ + const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat); + const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat); + + /** + * XXX when we have red-only and red/green renderbuffers we'll need + * to add more cases here (or implement a general-purpose routine that + * queries the existance of the R,G,B,A channels in the src and dest). + */ + if (srcFormat == dstFormat) { + /* This is the same as matching_base_formats, which should + * always pass, as it did previously. + */ + return TGSI_WRITEMASK_XYZW; + } + else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) { + /* Make sure that A in the dest is 1. The actual src format + * may be RGBA and have undefined A values. + */ + return TGSI_WRITEMASK_XYZ; + } + else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) { + /* Make sure that A in the dest is 1. The actual dst format + * may be RGBA and will need A=1 to provide proper alpha values + * when sampled later. + */ + return TGSI_WRITEMASK_XYZ; + } + else { + if (ST_DEBUG & DEBUG_FALLBACK) + debug_printf("%s failed for src %s, dst %s\n", + __FUNCTION__, + _mesa_lookup_enum_by_nr(srcFormat), + _mesa_lookup_enum_by_nr(dstFormat)); + + /* Otherwise fail. + */ + return 0; + } +} + + + +/** + * Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible. + * Note that the region to copy has already been clipped so we know we + * won't read from outside the source renderbuffer's bounds. + * + * Note: srcY=0=Bottom of renderbuffer (GL convention) + */ +static void +st_copy_texsubimage(struct gl_context *ctx, + GLenum target, GLint level, + GLint destX, GLint destY, GLint destZ, + GLint srcX, GLint srcY, + GLsizei width, GLsizei height) +{ + struct gl_texture_unit *texUnit = + &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_object *texObj = + _mesa_select_tex_object(ctx, texUnit, target); + struct gl_texture_image *texImage = + _mesa_select_tex_image(ctx, texObj, target, level); + struct st_texture_image *stImage = st_texture_image(texImage); + const GLenum texBaseFormat = texImage->_BaseFormat; + struct gl_framebuffer *fb = ctx->ReadBuffer; + struct st_renderbuffer *strb; + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct pipe_screen *screen = pipe->screen; + enum pipe_format dest_format, src_format; + GLboolean use_fallback = GL_TRUE; + GLboolean matching_base_formats; + GLuint format_writemask, sample_count; + struct pipe_surface *dest_surface = NULL; + GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP); + + /* make sure finalize_textures has been called? + */ + if (0) st_validate_state(st); + + /* determine if copying depth or color data */ + if (texBaseFormat == GL_DEPTH_COMPONENT || + texBaseFormat == GL_DEPTH_STENCIL) { + strb = st_renderbuffer(fb->_DepthBuffer); + } + else { + /* texBaseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */ + strb = st_renderbuffer(fb->_ColorReadBuffer); + } + + if (!strb || !strb->surface || !stImage->pt) { + debug_printf("%s: null strb or stImage\n", __FUNCTION__); + return; + } + + sample_count = strb->surface->texture->nr_samples; + /* I believe this would be legal, presumably would need to do a resolve + for color, and for depth/stencil spec says to just use one of the + depth/stencil samples per pixel? Need some transfer clarifications. */ + assert(sample_count < 2); + + if (srcX < 0) { + width -= -srcX; + destX += -srcX; + srcX = 0; + } + + if (srcY < 0) { + height -= -srcY; + destY += -srcY; + srcY = 0; + } + + if (destX < 0) { + width -= -destX; + srcX += -destX; + destX = 0; + } + + if (destY < 0) { + height -= -destY; + srcY += -destY; + destY = 0; + } + + if (width < 0 || height < 0) + return; + + + assert(strb); + assert(strb->surface); + assert(stImage->pt); + + src_format = strb->surface->format; + dest_format = stImage->pt->format; + + /* + * Determine if the src framebuffer and dest texture have the same + * base format. We need this to detect a case such as the framebuffer + * being GL_RGBA but the texture being GL_RGB. If the actual hardware + * texture format stores RGBA we need to set A=1 (overriding the + * framebuffer's alpha values). We can't do that with the blit or + * textured-quad paths. + */ + matching_base_formats = + (_mesa_get_format_base_format(strb->Base.Format) == + _mesa_get_format_base_format(texImage->TexFormat)); + format_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage); + + if (ctx->_ImageTransferState == 0x0) { + + if (matching_base_formats && + src_format == dest_format && + !do_flip) + { + /* use surface_copy() / blit */ + struct pipe_box src_box; + u_box_2d_zslice(srcX, srcY, strb->surface->u.tex.first_layer, + width, height, &src_box); + + /* for resource_copy_region(), y=0=top, always */ + pipe->resource_copy_region(pipe, + /* dest */ + stImage->pt, + stImage->level, + destX, destY, destZ + stImage->face, + /* src */ + strb->texture, + strb->surface->u.tex.level, + &src_box); + use_fallback = GL_FALSE; + } + else if (format_writemask && + texBaseFormat != GL_DEPTH_COMPONENT && + texBaseFormat != GL_DEPTH_STENCIL && + screen->is_format_supported(screen, src_format, + PIPE_TEXTURE_2D, sample_count, + PIPE_BIND_SAMPLER_VIEW, + 0) && + screen->is_format_supported(screen, dest_format, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_RENDER_TARGET, + 0)) { + /* draw textured quad to do the copy */ + GLint srcY0, srcY1; + struct pipe_surface surf_tmpl; + memset(&surf_tmpl, 0, sizeof(surf_tmpl)); + surf_tmpl.format = stImage->pt->format; + surf_tmpl.usage = PIPE_BIND_RENDER_TARGET; + surf_tmpl.u.tex.level = stImage->level; + surf_tmpl.u.tex.first_layer = stImage->face + destZ; + surf_tmpl.u.tex.last_layer = stImage->face + destZ; + + dest_surface = pipe->create_surface(pipe, stImage->pt, + &surf_tmpl); + + if (do_flip) { + srcY1 = strb->Base.Height - srcY - height; + srcY0 = srcY1 + height; + } + else { + srcY0 = srcY; + srcY1 = srcY0 + height; + } + + util_blit_pixels_writemask(st->blit, + strb->texture, + strb->surface->u.tex.level, + srcX, srcY0, + srcX + width, srcY1, + strb->surface->u.tex.first_layer, + dest_surface, + destX, destY, + destX + width, destY + height, + 0.0, PIPE_TEX_MIPFILTER_NEAREST, + format_writemask); + use_fallback = GL_FALSE; + } + + if (dest_surface) + pipe_surface_reference(&dest_surface, NULL); + } + + if (use_fallback) { + /* software fallback */ + fallback_copy_texsubimage(ctx, target, level, + strb, stImage, texBaseFormat, + destX, destY, destZ, + srcX, srcY, width, height); + } +} + + + +static void +st_CopyTexImage1D(struct gl_context * ctx, GLenum target, GLint level, + GLenum internalFormat, + GLint x, GLint y, GLsizei width, GLint border) +{ + struct gl_texture_unit *texUnit = + &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_object *texObj = + _mesa_select_tex_object(ctx, texUnit, target); + struct gl_texture_image *texImage = + _mesa_select_tex_image(ctx, texObj, target, level); + + /* Setup or redefine the texture object, texture and texture + * image. Don't populate yet. + */ + ctx->Driver.TexImage1D(ctx, target, level, internalFormat, + width, border, + GL_RGBA, CHAN_TYPE, NULL, + &ctx->DefaultPacking, texObj, texImage); + + st_copy_texsubimage(ctx, target, level, + 0, 0, 0, /* destX,Y,Z */ + x, y, width, 1); /* src X, Y, size */ +} + + +static void +st_CopyTexImage2D(struct gl_context * ctx, GLenum target, GLint level, + GLenum internalFormat, + GLint x, GLint y, GLsizei width, GLsizei height, + GLint border) +{ + struct gl_texture_unit *texUnit = + &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_object *texObj = + _mesa_select_tex_object(ctx, texUnit, target); + struct gl_texture_image *texImage = + _mesa_select_tex_image(ctx, texObj, target, level); + + /* Setup or redefine the texture object, texture and texture + * image. Don't populate yet. + */ + ctx->Driver.TexImage2D(ctx, target, level, internalFormat, + width, height, border, + GL_RGBA, CHAN_TYPE, NULL, + &ctx->DefaultPacking, texObj, texImage); + + st_copy_texsubimage(ctx, target, level, + 0, 0, 0, /* destX,Y,Z */ + x, y, width, height); /* src X, Y, size */ +} + + +static void +st_CopyTexSubImage1D(struct gl_context * ctx, GLenum target, GLint level, + GLint xoffset, GLint x, GLint y, GLsizei width) +{ + const GLint yoffset = 0, zoffset = 0; + const GLsizei height = 1; + st_copy_texsubimage(ctx, target, level, + xoffset, yoffset, zoffset, /* destX,Y,Z */ + x, y, width, height); /* src X, Y, size */ +} + + +static void +st_CopyTexSubImage2D(struct gl_context * ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLint x, GLint y, GLsizei width, GLsizei height) +{ + const GLint zoffset = 0; + st_copy_texsubimage(ctx, target, level, + xoffset, yoffset, zoffset, /* destX,Y,Z */ + x, y, width, height); /* src X, Y, size */ +} + + +static void +st_CopyTexSubImage3D(struct gl_context * ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLint x, GLint y, GLsizei width, GLsizei height) +{ + st_copy_texsubimage(ctx, target, level, + xoffset, yoffset, zoffset, /* destX,Y,Z */ + x, y, width, height); /* src X, Y, size */ +} + + +/** + * Copy image data from stImage into the texture object 'stObj' at level + * 'dstLevel'. + */ +static void +copy_image_data_to_texture(struct st_context *st, + struct st_texture_object *stObj, + GLuint dstLevel, + struct st_texture_image *stImage) +{ + /* debug checks */ + { + const struct gl_texture_image *dstImage = + stObj->base.Image[stImage->face][stImage->level]; + assert(dstImage); + assert(dstImage->Width == stImage->base.Width); + assert(dstImage->Height == stImage->base.Height); + assert(dstImage->Depth == stImage->base.Depth); + } + + if (stImage->pt) { + /* Copy potentially with the blitter: + */ + st_texture_image_copy(st->pipe, + stObj->pt, dstLevel, /* dest texture, level */ + stImage->pt, stImage->level, /* src texture, level */ + stImage->face); + + pipe_resource_reference(&stImage->pt, NULL); + } + else if (stImage->base.Data) { + st_texture_image_data(st, + stObj->pt, + stImage->face, + dstLevel, + stImage->base.Data, + stImage->base.RowStride * + util_format_get_blocksize(stObj->pt->format), + stImage->base.RowStride * + stImage->base.Height * + util_format_get_blocksize(stObj->pt->format)); + _mesa_align_free(stImage->base.Data); + stImage->base.Data = NULL; + } + + pipe_resource_reference(&stImage->pt, stObj->pt); +} + + +/** + * Called during state validation. When this function is finished, + * the texture object should be ready for rendering. + * \return GL_TRUE for success, GL_FALSE for failure (out of mem) + */ +GLboolean +st_finalize_texture(struct gl_context *ctx, + struct pipe_context *pipe, + struct gl_texture_object *tObj) +{ + struct st_context *st = st_context(ctx); + struct st_texture_object *stObj = st_texture_object(tObj); + const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; + GLuint face; + struct st_texture_image *firstImage; + enum pipe_format firstImageFormat; + + if (stObj->base._Complete) { + /* The texture is complete and we know exactly how many mipmap levels + * are present/needed. This is conditional because we may be called + * from the st_generate_mipmap() function when the texture object is + * incomplete. In that case, we'll have set stObj->lastLevel before + * we get here. + */ + if (stObj->base.MinFilter == GL_LINEAR || + stObj->base.MinFilter == GL_NEAREST) + stObj->lastLevel = stObj->base.BaseLevel; + else + stObj->lastLevel = stObj->base._MaxLevel; + } + + firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]); + assert(firstImage); + + /* If both firstImage and stObj point to a texture which can contain + * all active images, favour firstImage. Note that because of the + * completeness requirement, we know that the image dimensions + * will match. + */ + if (firstImage->pt && + stObj->pt && + firstImage->pt != stObj->pt && + firstImage->pt->last_level >= stObj->pt->last_level) { + pipe_resource_reference(&stObj->pt, firstImage->pt); + pipe_sampler_view_reference(&stObj->sampler_view, NULL); + } + + /* Find gallium format for the Mesa texture */ + firstImageFormat = st_mesa_format_to_pipe_format(firstImage->base.TexFormat); + + /* If we already have a gallium texture, check that it matches the texture + * object's format, target, size, num_levels, etc. + */ + if (stObj->pt) { + if (stObj->pt->target != gl_target_to_pipe(stObj->base.Target) || + !st_sampler_compat_formats(stObj->pt->format, firstImageFormat) || + stObj->pt->last_level < stObj->lastLevel || + stObj->pt->width0 != stObj->width0 || + stObj->pt->height0 != stObj->height0 || + stObj->pt->depth0 != stObj->depth0) + { + /* The gallium texture does not match the Mesa texture so delete the + * gallium texture now. We'll make a new one below. + */ + pipe_resource_reference(&stObj->pt, NULL); + pipe_sampler_view_reference(&stObj->sampler_view, NULL); + st->dirty.st |= ST_NEW_FRAMEBUFFER; + } + } + + /* May need to create a new gallium texture: + */ + if (!stObj->pt) { + GLuint bindings = default_bindings(st, firstImageFormat); + + stObj->pt = st_texture_create(st, + gl_target_to_pipe(stObj->base.Target), + firstImageFormat, + stObj->lastLevel, + stObj->width0, + stObj->height0, + stObj->depth0, + bindings); + + if (!stObj->pt) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage"); + return GL_FALSE; + } + } + + /* Pull in any images not in the object's texture: + */ + for (face = 0; face < nr_faces; face++) { + GLuint level; + for (level = stObj->base.BaseLevel; level <= stObj->lastLevel; level++) { + struct st_texture_image *stImage = + st_texture_image(stObj->base.Image[face][level]); + + /* Need to import images in main memory or held in other textures. + */ + if (stImage && stObj->pt != stImage->pt) { + copy_image_data_to_texture(st, stObj, level, stImage); + } + } + } + + return GL_TRUE; +} + + +/** + * Returns pointer to a default/dummy texture. + * This is typically used when the current shader has tex/sample instructions + * but the user has not provided a (any) texture(s). + */ +struct gl_texture_object * +st_get_default_texture(struct st_context *st) +{ + if (!st->default_texture) { + static const GLenum target = GL_TEXTURE_2D; + GLubyte pixels[16][16][4]; + struct gl_texture_object *texObj; + struct gl_texture_image *texImg; + GLuint i, j; + + /* The ARB_fragment_program spec says (0,0,0,1) should be returned + * when attempting to sample incomplete textures. + */ + for (i = 0; i < 16; i++) { + for (j = 0; j < 16; j++) { + pixels[i][j][0] = 0; + pixels[i][j][1] = 0; + pixels[i][j][2] = 0; + pixels[i][j][3] = 255; + } + } + + texObj = st->ctx->Driver.NewTextureObject(st->ctx, 0, target); + + texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0); + + _mesa_init_teximage_fields(st->ctx, target, texImg, + 16, 16, 1, 0, /* w, h, d, border */ + GL_RGBA, MESA_FORMAT_RGBA8888); + + st_TexImage(st->ctx, 2, target, + 0, GL_RGBA, /* level, intformat */ + 16, 16, 1, 0, /* w, h, d, border */ + GL_RGBA, GL_UNSIGNED_BYTE, pixels, + &st->ctx->DefaultPacking, + texObj, texImg, + 0, 0); + + texObj->MinFilter = GL_NEAREST; + texObj->MagFilter = GL_NEAREST; + texObj->_Complete = GL_TRUE; + + st->default_texture = texObj; + } + return st->default_texture; +} + + +void +st_init_texture_functions(struct dd_function_table *functions) +{ + functions->ChooseTextureFormat = st_ChooseTextureFormat; + functions->TexImage1D = st_TexImage1D; + functions->TexImage2D = st_TexImage2D; + functions->TexImage3D = st_TexImage3D; + functions->TexSubImage1D = st_TexSubImage1D; + functions->TexSubImage2D = st_TexSubImage2D; + functions->TexSubImage3D = st_TexSubImage3D; + functions->CompressedTexSubImage1D = st_CompressedTexSubImage1D; + functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D; + functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D; + functions->CopyTexImage1D = st_CopyTexImage1D; + functions->CopyTexImage2D = st_CopyTexImage2D; + functions->CopyTexSubImage1D = st_CopyTexSubImage1D; + functions->CopyTexSubImage2D = st_CopyTexSubImage2D; + functions->CopyTexSubImage3D = st_CopyTexSubImage3D; + functions->GenerateMipmap = st_generate_mipmap; + + functions->GetTexImage = st_GetTexImage; + + /* compressed texture functions */ + functions->CompressedTexImage2D = st_CompressedTexImage2D; + functions->GetCompressedTexImage = st_GetCompressedTexImage; + + functions->NewTextureObject = st_NewTextureObject; + functions->NewTextureImage = st_NewTextureImage; + functions->DeleteTexture = st_DeleteTextureObject; + functions->FreeTexImageData = st_FreeTextureImageData; + + functions->TextureMemCpy = do_memcpy; + + /* XXX Temporary until we can query pipe's texture sizes */ + functions->TestProxyTexImage = _mesa_test_proxy_teximage; +} diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.h b/mesalib/src/mesa/state_tracker/st_cb_texture.h new file mode 100644 index 000000000..81671b074 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_texture.h @@ -0,0 +1,55 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_CB_TEXTURE_H +#define ST_CB_TEXTURE_H + + +#include "main/glheader.h" + +struct dd_function_table; +struct gl_context; +struct gl_texture_object; +struct pipe_context; +struct st_context; + +extern GLboolean +st_finalize_texture(struct gl_context *ctx, + struct pipe_context *pipe, + struct gl_texture_object *tObj); + + +extern struct gl_texture_object * +st_get_default_texture(struct st_context *st); + + +extern void +st_init_texture_functions(struct dd_function_table *functions); + + +#endif /* ST_CB_TEXTURE_H */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_viewport.c b/mesalib/src/mesa/state_tracker/st_cb_viewport.c new file mode 100644 index 000000000..a61e3d4d4 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_viewport.c @@ -0,0 +1,71 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "main/glheader.h" +#include "st_context.h" +#include "st_cb_viewport.h" + +#include "pipe/p_state.h" +#include "pipe/p_defines.h" +#include "util/u_atomic.h" + +/** + * Cast wrapper to convert a struct gl_framebuffer to an st_framebuffer. + * Return NULL if the struct gl_framebuffer is a user-created framebuffer. + * We'll only return non-null for window system framebuffers. + * Note that this function may fail. + */ +static INLINE struct st_framebuffer * +st_ws_framebuffer(struct gl_framebuffer *fb) +{ + /* FBO cannot be casted. See st_new_framebuffer */ + return (struct st_framebuffer *) ((fb && !fb->Name) ? fb : NULL); +} + +static void st_viewport(struct gl_context * ctx, GLint x, GLint y, + GLsizei width, GLsizei height) +{ + struct st_context *st = ctx->st; + struct st_framebuffer *stdraw; + struct st_framebuffer *stread; + + if (!st->invalidate_on_gl_viewport) + return; + + stdraw = st_ws_framebuffer(st->ctx->DrawBuffer); + stread = st_ws_framebuffer(st->ctx->ReadBuffer); + + if (stdraw) + p_atomic_set(&stdraw->revalidate, TRUE); + if (stread && stread != stdraw) + p_atomic_set(&stread->revalidate, TRUE); +} + +void st_init_viewport_functions(struct dd_function_table *functions) +{ + functions->Viewport = st_viewport; +} diff --git a/mesalib/src/mesa/state_tracker/st_cb_viewport.h b/mesalib/src/mesa/state_tracker/st_cb_viewport.h new file mode 100644 index 000000000..7307aba1b --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_viewport.h @@ -0,0 +1,36 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef ST_CB_VIEWPORT_H +#define ST_CB_VIEWPORT_H + +struct dd_function_table; + +extern void +st_init_viewport_functions(struct dd_function_table *functions); + +#endif /* ST_CB_VIEW_PORT_H */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_xformfb.c b/mesalib/src/mesa/state_tracker/st_cb_xformfb.c new file mode 100644 index 000000000..f4440a5f5 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_xformfb.c @@ -0,0 +1,133 @@ +/************************************************************************** + * + * Copyright 2010 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/** + * Transform feedback functions. + * + * \author Brian Paul + */ + + +#include "main/imports.h" +#include "main/context.h" +#include "main/transformfeedback.h" + +#include "st_cb_xformfb.h" + + +#if FEATURE_EXT_transform_feedback + +#if 0 +static struct gl_transform_feedback_object * +st_new_transform_feedback(struct gl_context *ctx, GLuint name) +{ + struct gl_transform_feedback_object *obj; + obj = CALLOC_STRUCT(gl_transform_feedback_object); + if (obj) { + obj->Name = name; + obj->RefCount = 1; + } + return obj; +} +#endif + +#if 0 +static void +st_delete_transform_feedback(struct gl_context *ctx, + struct gl_transform_feedback_object *obj) +{ + GLuint i; + + for (i = 0; i < Elements(obj->Buffers); i++) { + _mesa_reference_buffer_object(ctx, &obj->Buffers[i], NULL); + } + + free(obj); +} +#endif + + +static void +st_begin_transform_feedback(struct gl_context *ctx, GLenum mode, + struct gl_transform_feedback_object *obj) +{ + /* to-do */ +} + + +static void +st_end_transform_feedback(struct gl_context *ctx, + struct gl_transform_feedback_object *obj) +{ + /* to-do */ +} + + +static void +st_pause_transform_feedback(struct gl_context *ctx, + struct gl_transform_feedback_object *obj) +{ + /* to-do */ +} + + +static void +st_resume_transform_feedback(struct gl_context *ctx, + struct gl_transform_feedback_object *obj) +{ + /* to-do */ +} + + +static void +st_draw_transform_feedback(struct gl_context *ctx, GLenum mode, + struct gl_transform_feedback_object *obj) +{ + /* XXX to do */ + /* + * Get number of vertices in obj's feedback buffer. + * Call ctx->Exec.DrawArrays(mode, 0, count); + */ +} + + +void +st_init_xformfb_functions(struct dd_function_table *functions) +{ + /* let core Mesa plug in its functions */ + _mesa_init_transform_feedback_functions(functions); + + /* then override a few: */ + functions->BeginTransformFeedback = st_begin_transform_feedback; + functions->EndTransformFeedback = st_end_transform_feedback; + functions->PauseTransformFeedback = st_pause_transform_feedback; + functions->ResumeTransformFeedback = st_resume_transform_feedback; + functions->DrawTransformFeedback = st_draw_transform_feedback; +} + +#endif /* FEATURE_EXT_transform_feedback */ diff --git a/mesalib/src/mesa/state_tracker/st_cb_xformfb.h b/mesalib/src/mesa/state_tracker/st_cb_xformfb.h new file mode 100644 index 000000000..f18b68bdb --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_cb_xformfb.h @@ -0,0 +1,50 @@ +/************************************************************************** + * + * Copyright 2010 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef ST_CB_XFORMFB_H +#define ST_CB_XFORMFB_H + + +#include "main/compiler.h" + +struct dd_function_table; + +#if FEATURE_EXT_transform_feedback + +extern void +st_init_xformfb_functions(struct dd_function_table *functions); + +#else + +static INLINE void +st_init_xformfb_functions(struct dd_function_table *functions) +{ +} + +#endif /* FEATURE_EXT_transform_feedback */ + +#endif /* ST_CB_XFORMFB_H */ diff --git a/mesalib/src/mesa/state_tracker/st_context.c b/mesalib/src/mesa/state_tracker/st_context.c new file mode 100644 index 000000000..4656930ac --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_context.c @@ -0,0 +1,299 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "main/imports.h" +#include "main/context.h" +#include "main/shaderobj.h" +#include "program/prog_cache.h" +#include "vbo/vbo.h" +#include "glapi/glapi.h" +#include "st_context.h" +#include "st_debug.h" +#include "st_cb_accum.h" +#include "st_cb_bitmap.h" +#include "st_cb_blit.h" +#include "st_cb_bufferobjects.h" +#include "st_cb_clear.h" +#include "st_cb_condrender.h" +#include "st_cb_drawpixels.h" +#include "st_cb_rasterpos.h" +#include "st_cb_drawtex.h" +#include "st_cb_eglimage.h" +#include "st_cb_fbo.h" +#include "st_cb_feedback.h" +#include "st_cb_program.h" +#include "st_cb_queryobj.h" +#include "st_cb_readpixels.h" +#include "st_cb_texture.h" +#include "st_cb_xformfb.h" +#include "st_cb_flush.h" +#include "st_cb_strings.h" +#include "st_cb_viewport.h" +#include "st_atom.h" +#include "st_draw.h" +#include "st_extensions.h" +#include "st_gen_mipmap.h" +#include "st_program.h" +#include "pipe/p_context.h" +#include "util/u_inlines.h" +#include "cso_cache/cso_context.h" + + +DEBUG_GET_ONCE_BOOL_OPTION(mesa_mvp_dp4, "MESA_MVP_DP4", FALSE) + + +/** + * Called via ctx->Driver.UpdateState() + */ +void st_invalidate_state(struct gl_context * ctx, GLuint new_state) +{ + struct st_context *st = st_context(ctx); + + st->dirty.mesa |= new_state; + st->dirty.st |= ST_NEW_MESA; + + /* This is the only core Mesa module we depend upon. + * No longer use swrast, swsetup, tnl. + */ + _vbo_InvalidateState(ctx, new_state); +} + + +/** + * Check for multisample env var override. + */ +int +st_get_msaa(void) +{ + const char *msaa = _mesa_getenv("__GL_FSAA_MODE"); + if (msaa) + return atoi(msaa); + return 0; +} + + +static struct st_context * +st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe ) +{ + uint i; + struct st_context *st = ST_CALLOC_STRUCT( st_context ); + + ctx->st = st; + + st->ctx = ctx; + st->pipe = pipe; + + /* XXX: this is one-off, per-screen init: */ + st_debug_init(); + + /* state tracker needs the VBO module */ + _vbo_CreateContext(ctx); + + st->dirty.mesa = ~0; + st->dirty.st = ~0; + + st->cso_context = cso_create_context(pipe); + + st_init_atoms( st ); + st_init_bitmap(st); + st_init_clear(st); + st_init_draw( st ); + st_init_generate_mipmap(st); + st_init_blit(st); + + if(pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES)) + st->internal_target = PIPE_TEXTURE_2D; + else + st->internal_target = PIPE_TEXTURE_RECT; + + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) + st->state.sampler_list[i] = &st->state.samplers[i]; + + for (i = 0; i < 3; i++) { + memset(&st->velems_util_draw[i], 0, sizeof(struct pipe_vertex_element)); + st->velems_util_draw[i].src_offset = i * 4 * sizeof(float); + st->velems_util_draw[i].instance_divisor = 0; + st->velems_util_draw[i].vertex_buffer_index = 0; + st->velems_util_draw[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; + } + + /* we want all vertex data to be placed in buffer objects */ + vbo_use_buffer_objects(ctx); + + /* Need these flags: + */ + st->ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE; + + st->ctx->VertexProgram._MaintainTnlProgram = GL_TRUE; + + st->pixel_xfer.cache = _mesa_new_program_cache(); + + st->force_msaa = st_get_msaa(); + + /* GL limits and extensions */ + st_init_limits(st); + st_init_extensions(st); + + return st; +} + + +struct st_context *st_create_context(gl_api api, struct pipe_context *pipe, + const struct gl_config *visual, + struct st_context *share) +{ + struct gl_context *ctx; + struct gl_context *shareCtx = share ? share->ctx : NULL; + struct dd_function_table funcs; + + /* Sanity checks */ + assert(MESA_SHADER_VERTEX == PIPE_SHADER_VERTEX); + assert(MESA_SHADER_FRAGMENT == PIPE_SHADER_FRAGMENT); + assert(MESA_SHADER_GEOMETRY == PIPE_SHADER_GEOMETRY); + + memset(&funcs, 0, sizeof(funcs)); + st_init_driver_functions(&funcs); + + ctx = _mesa_create_context_for_api(api, visual, shareCtx, &funcs, NULL); + + /* XXX: need a capability bit in gallium to query if the pipe + * driver prefers DP4 or MUL/MAD for vertex transformation. + */ + if (debug_get_option_mesa_mvp_dp4()) + _mesa_set_mvp_with_dp4( ctx, GL_TRUE ); + + return st_create_context_priv(ctx, pipe); +} + + +static void st_destroy_context_priv( struct st_context *st ) +{ + uint i; + + st_destroy_atoms( st ); + st_destroy_draw( st ); + st_destroy_generate_mipmap(st); + st_destroy_blit(st); + st_destroy_clear(st); + st_destroy_bitmap(st); + st_destroy_drawpix(st); + st_destroy_drawtex(st); + + for (i = 0; i < Elements(st->state.sampler_views); i++) { + pipe_sampler_view_reference(&st->state.sampler_views[i], NULL); + } + + for (i = 0; i < Elements(st->state.constants); i++) { + if (st->state.constants[i]) { + pipe_resource_reference(&st->state.constants[i], NULL); + } + } + + if (st->default_texture) { + st->ctx->Driver.DeleteTexture(st->ctx, st->default_texture); + st->default_texture = NULL; + } + + free( st ); +} + + +void st_destroy_context( struct st_context *st ) +{ + struct pipe_context *pipe = st->pipe; + struct cso_context *cso = st->cso_context; + struct gl_context *ctx = st->ctx; + GLuint i; + + /* need to unbind and destroy CSO objects before anything else */ + cso_release_all(st->cso_context); + + st_reference_fragprog(st, &st->fp, NULL); + st_reference_vertprog(st, &st->vp, NULL); + + /* release framebuffer surfaces */ + for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { + pipe_surface_reference(&st->state.framebuffer.cbufs[i], NULL); + } + pipe_surface_reference(&st->state.framebuffer.zsbuf, NULL); + + pipe->set_index_buffer(pipe, NULL); + + for (i = 0; i < PIPE_SHADER_TYPES; i++) { + pipe->set_constant_buffer(pipe, i, 0, NULL); + pipe_resource_reference(&st->state.constants[i], NULL); + } + + _mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache); + + _vbo_DestroyContext(st->ctx); + + st_destroy_program_variants(st); + + _mesa_free_context_data(ctx); + + st_destroy_context_priv(st); + + cso_destroy_context(cso); + + pipe->destroy( pipe ); + + free(ctx); +} + + +void st_init_driver_functions(struct dd_function_table *functions) +{ + _mesa_init_shader_object_functions(functions); + + st_init_accum_functions(functions); + st_init_blit_functions(functions); + st_init_bufferobject_functions(functions); + st_init_clear_functions(functions); + st_init_bitmap_functions(functions); + st_init_drawpixels_functions(functions); + st_init_rasterpos_functions(functions); + + st_init_drawtex_functions(functions); + + st_init_eglimage_functions(functions); + + st_init_fbo_functions(functions); + st_init_feedback_functions(functions); + st_init_program_functions(functions); + st_init_query_functions(functions); + st_init_cond_render_functions(functions); + st_init_readpixels_functions(functions); + st_init_texture_functions(functions); + st_init_flush_functions(functions); + st_init_string_functions(functions); + st_init_viewport_functions(functions); + + st_init_xformfb_functions(functions); + + functions->UpdateState = st_invalidate_state; +} diff --git a/mesalib/src/mesa/state_tracker/st_context.h b/mesalib/src/mesa/state_tracker/st_context.h new file mode 100644 index 000000000..348a5827d --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_context.h @@ -0,0 +1,271 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef ST_CONTEXT_H +#define ST_CONTEXT_H + +#include "main/mtypes.h" +#include "pipe/p_state.h" +#include "state_tracker/st_api.h" + +struct bitmap_cache; +struct blit_state; +struct dd_function_table; +struct draw_context; +struct draw_stage; +struct gen_mipmap_state; +struct st_context; +struct st_fragment_program; + + +#define ST_NEW_MESA 0x1 /* Mesa state has changed */ +#define ST_NEW_FRAGMENT_PROGRAM 0x2 +#define ST_NEW_VERTEX_PROGRAM 0x4 +#define ST_NEW_FRAMEBUFFER 0x8 +#define ST_NEW_EDGEFLAGS_DATA 0x10 +#define ST_NEW_GEOMETRY_PROGRAM 0x20 + + +struct st_state_flags { + GLuint mesa; + GLuint st; +}; + +struct st_tracked_state { + const char *name; + struct st_state_flags dirty; + void (*update)( struct st_context *st ); +}; + + + +struct st_context +{ + struct st_context_iface iface; + + struct gl_context *ctx; + + struct pipe_context *pipe; + + struct draw_context *draw; /**< For selection/feedback/rastpos only */ + struct draw_stage *feedback_stage; /**< For GL_FEEDBACK rendermode */ + struct draw_stage *selection_stage; /**< For GL_SELECT rendermode */ + struct draw_stage *rastpos_stage; /**< For glRasterPos */ + + + /* On old libGL's for linux we need to invalidate the drawables + * on glViewpport calls, this is set via a option. + */ + boolean invalidate_on_gl_viewport; + + /* Some state is contained in constant objects. + * Other state is just parameter values. + */ + struct { + struct pipe_blend_state blend; + struct pipe_depth_stencil_alpha_state depth_stencil; + struct pipe_rasterizer_state rasterizer; + struct pipe_sampler_state samplers[PIPE_MAX_SAMPLERS]; + struct pipe_sampler_state *sampler_list[PIPE_MAX_SAMPLERS]; + struct pipe_clip_state clip; + struct pipe_resource *constants[PIPE_SHADER_TYPES]; + struct pipe_framebuffer_state framebuffer; + struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS]; + struct pipe_scissor_state scissor; + struct pipe_viewport_state viewport; + unsigned sample_mask; + + GLuint num_samplers; + GLuint num_textures; + + GLuint poly_stipple[32]; /**< In OpenGL's bottom-to-top order */ + } state; + + struct { + struct st_tracked_state tracked_state[PIPE_SHADER_TYPES]; + } constants; + + /* XXX unused: */ + struct { + struct gl_fragment_program *fragment_program; + } cb; + + char vendor[100]; + char renderer[100]; + + struct st_state_flags dirty; + + GLboolean missing_textures; + GLboolean vertdata_edgeflags; + + /** Mapping from VERT_RESULT_x to post-transformed vertex slot */ + const GLuint *vertex_result_to_slot; + + struct st_vertex_program *vp; /**< Currently bound vertex program */ + struct st_fragment_program *fp; /**< Currently bound fragment program */ + struct st_geometry_program *gp; /**< Currently bound geometry program */ + + struct st_vp_variant *vp_variant; + struct st_fp_variant *fp_variant; + struct st_gp_variant *gp_variant; + + struct gl_texture_object *default_texture; + + struct { + struct gl_program_cache *cache; + struct st_fragment_program *program; /**< cur pixel transfer prog */ + GLuint xfer_prog_sn; /**< pixel xfer program serial no. */ + GLuint user_prog_sn; /**< user fragment program serial no. */ + struct st_fragment_program *combined_prog; + GLuint combined_prog_sn; + struct pipe_resource *pixelmap_texture; + struct pipe_sampler_view *pixelmap_sampler_view; + boolean pixelmap_enabled; /**< use the pixelmap texture? */ + } pixel_xfer; + + /** for glBitmap */ + struct { + struct pipe_rasterizer_state rasterizer; + struct pipe_sampler_state samplers[2]; + enum pipe_format tex_format; + void *vs; + float vertices[4][3][4]; /**< vertex pos + color + texcoord */ + struct pipe_resource *vbuf; + unsigned vbuf_slot; /* next free slot in vbuf */ + struct bitmap_cache *cache; + } bitmap; + + /** for glDraw/CopyPixels */ + struct { + struct gl_fragment_program *shaders[4]; + void *vert_shaders[2]; /**< ureg shaders */ + } drawpix; + + /** for glClear */ + struct { + struct pipe_rasterizer_state raster; + struct pipe_viewport_state viewport; + struct pipe_clip_state clip; + void *vs; + void *fs; + float vertices[4][2][4]; /**< vertex pos + color */ + struct pipe_resource *vbuf; + unsigned vbuf_slot; + boolean enable_ds_separate; + } clear; + + /** used for anything using util_draw_vertex_buffer */ + struct pipe_vertex_element velems_util_draw[3]; + + void *passthrough_fs; /**< simple pass-through frag shader */ + + enum pipe_texture_target internal_target; + struct gen_mipmap_state *gen_mipmap; + struct blit_state *blit; + + struct cso_context *cso_context; + + int force_msaa; + void *winsys_drawable_handle; +}; + + +/* Need this so that we can implement Mesa callbacks in this module. + */ +static INLINE struct st_context *st_context(struct gl_context *ctx) +{ + return ctx->st; +} + + +/** + * Wrapper for struct gl_framebuffer. + * This is an opaque type to the outside world. + */ +struct st_framebuffer +{ + struct gl_framebuffer Base; + void *Private; + + struct st_framebuffer_iface *iface; + enum st_attachment_type statts[ST_ATTACHMENT_COUNT]; + unsigned num_statts; + int32_t revalidate; +}; + + +extern void st_init_driver_functions(struct dd_function_table *functions); + +void st_invalidate_state(struct gl_context * ctx, GLuint new_state); + + + +#define Y_0_TOP 1 +#define Y_0_BOTTOM 2 + +static INLINE GLuint +st_fb_orientation(const struct gl_framebuffer *fb) +{ + if (fb && fb->Name == 0) { + /* Drawing into a window (on-screen buffer). + * + * Negate Y scale to flip image vertically. + * The NDC Y coords prior to viewport transformation are in the range + * [y=-1=bottom, y=1=top] + * Hardware window coords are in the range [y=0=top, y=H-1=bottom] where + * H is the window height. + * Use the viewport transformation to invert Y. + */ + return Y_0_TOP; + } + else { + /* Drawing into user-created FBO (very likely a texture). + * + * For textures, T=0=Bottom, so by extension Y=0=Bottom for rendering. + */ + return Y_0_BOTTOM; + } +} + + +/** clear-alloc a struct-sized object, with casting */ +#define ST_CALLOC_STRUCT(T) (struct T *) calloc(1, sizeof(struct T)) + + +extern int +st_get_msaa(void); + +extern struct st_context * +st_create_context(gl_api api, struct pipe_context *pipe, + const struct gl_config *visual, + struct st_context *share); + +extern void +st_destroy_context(struct st_context *st); + + +#endif diff --git a/mesalib/src/mesa/state_tracker/st_debug.c b/mesalib/src/mesa/state_tracker/st_debug.c new file mode 100644 index 000000000..ee7d78a4f --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_debug.c @@ -0,0 +1,102 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include "main/context.h" +#include "program/prog_print.h" + +#include "pipe/p_state.h" +#include "pipe/p_shader_tokens.h" +#include "tgsi/tgsi_dump.h" + +#include "cso_cache/cso_cache.h" + +#include "st_context.h" +#include "st_debug.h" +#include "st_program.h" + + + +#ifdef DEBUG +int ST_DEBUG = 0; + +static const struct debug_named_value st_debug_flags[] = { + { "mesa", DEBUG_MESA, NULL }, + { "tgsi", DEBUG_TGSI, NULL }, + { "constants",DEBUG_CONSTANTS, NULL }, + { "pipe", DEBUG_PIPE, NULL }, + { "tex", DEBUG_TEX, NULL }, + { "fallback", DEBUG_FALLBACK, NULL }, + { "screen", DEBUG_SCREEN, NULL }, + { "query", DEBUG_QUERY, NULL }, + DEBUG_NAMED_VALUE_END +}; + +DEBUG_GET_ONCE_FLAGS_OPTION(st_debug, "ST_DEBUG", st_debug_flags, 0) +#endif + + +void +st_debug_init(void) +{ +#ifdef DEBUG + ST_DEBUG = debug_get_option_st_debug(); +#endif +} + + + +/** + * Print current state. May be called from inside gdb to see currently + * bound vertex/fragment shaders and associated constants. + */ +void +st_print_current(void) +{ + GET_CURRENT_CONTEXT(ctx); + struct st_context *st = st_context(ctx); + +#if 0 + int i; + + printf("Vertex Transform Inputs:\n"); + for (i = 0; i < st->vp->state.num_inputs; i++) { + printf(" Slot %d: VERT_ATTRIB_%d\n", i, st->vp->index_to_input[i]); + } +#endif + + if (st->vp->variants) + tgsi_dump( st->vp->variants[0].tgsi.tokens, 0 ); + if (st->vp->Base.Base.Parameters) + _mesa_print_parameter_list(st->vp->Base.Base.Parameters); + + tgsi_dump( st->fp->tgsi.tokens, 0 ); + if (st->fp->Base.Base.Parameters) + _mesa_print_parameter_list(st->fp->Base.Base.Parameters); +} + + diff --git a/mesalib/src/mesa/state_tracker/st_debug.h b/mesalib/src/mesa/state_tracker/st_debug.h new file mode 100644 index 000000000..07864845f --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_debug.h @@ -0,0 +1,72 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_DEBUG_H +#define ST_DEBUG_H + +#include "pipe/p_compiler.h" +#include "util/u_debug.h" + +extern void +st_print_current(void); + + +#define DEBUG_MESA 0x1 +#define DEBUG_TGSI 0x2 +#define DEBUG_CONSTANTS 0x4 +#define DEBUG_PIPE 0x8 +#define DEBUG_TEX 0x10 +#define DEBUG_FALLBACK 0x20 +#define DEBUG_QUERY 0x40 +#define DEBUG_SCREEN 0x80 + +#ifdef DEBUG +extern int ST_DEBUG; +#define DBSTR(x) x +#else +#define ST_DEBUG 0 +#define DBSTR(x) "" +#endif + +void st_debug_init( void ); + +static INLINE void +ST_DBG( unsigned flag, const char *fmt, ... ) +{ + if (ST_DEBUG & flag) + { + va_list args; + + va_start( args, fmt ); + debug_vprintf( fmt, args ); + va_end( args ); + } +} + + +#endif /* ST_DEBUG_H */ diff --git a/mesalib/src/mesa/state_tracker/st_draw.c b/mesalib/src/mesa/state_tracker/st_draw.c new file mode 100644 index 000000000..163d2d36e --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_draw.c @@ -0,0 +1,777 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/* + * This file implements the st_draw_vbo() function which is called from + * Mesa's VBO module. All point/line/triangle rendering is done through + * this function whether the user called glBegin/End, glDrawArrays, + * glDrawElements, glEvalMesh, or glCalList, etc. + * + * We basically convert the VBO's vertex attribute/array information into + * Gallium vertex state, bind the vertex buffer objects and call + * pipe->draw_elements(), pipe->draw_range_elements() or pipe->draw_arrays(). + * + * Authors: + * Keith Whitwell + */ + + +#include "main/imports.h" +#include "main/image.h" +#include "main/macros.h" +#include "program/prog_uniform.h" + +#include "vbo/vbo.h" + +#include "st_context.h" +#include "st_atom.h" +#include "st_cb_bufferobjects.h" +#include "st_draw.h" +#include "st_program.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "util/u_inlines.h" +#include "util/u_format.h" +#include "util/u_prim.h" +#include "util/u_draw_quad.h" +#include "draw/draw_context.h" +#include "cso_cache/cso_context.h" + + +static GLuint double_types[4] = { + PIPE_FORMAT_R64_FLOAT, + PIPE_FORMAT_R64G64_FLOAT, + PIPE_FORMAT_R64G64B64_FLOAT, + PIPE_FORMAT_R64G64B64A64_FLOAT +}; + +static GLuint float_types[4] = { + PIPE_FORMAT_R32_FLOAT, + PIPE_FORMAT_R32G32_FLOAT, + PIPE_FORMAT_R32G32B32_FLOAT, + PIPE_FORMAT_R32G32B32A32_FLOAT +}; + +static GLuint half_float_types[4] = { + PIPE_FORMAT_R16_FLOAT, + PIPE_FORMAT_R16G16_FLOAT, + PIPE_FORMAT_R16G16B16_FLOAT, + PIPE_FORMAT_R16G16B16A16_FLOAT +}; + +static GLuint uint_types_norm[4] = { + PIPE_FORMAT_R32_UNORM, + PIPE_FORMAT_R32G32_UNORM, + PIPE_FORMAT_R32G32B32_UNORM, + PIPE_FORMAT_R32G32B32A32_UNORM +}; + +static GLuint uint_types_scale[4] = { + PIPE_FORMAT_R32_USCALED, + PIPE_FORMAT_R32G32_USCALED, + PIPE_FORMAT_R32G32B32_USCALED, + PIPE_FORMAT_R32G32B32A32_USCALED +}; + +static GLuint int_types_norm[4] = { + PIPE_FORMAT_R32_SNORM, + PIPE_FORMAT_R32G32_SNORM, + PIPE_FORMAT_R32G32B32_SNORM, + PIPE_FORMAT_R32G32B32A32_SNORM +}; + +static GLuint int_types_scale[4] = { + PIPE_FORMAT_R32_SSCALED, + PIPE_FORMAT_R32G32_SSCALED, + PIPE_FORMAT_R32G32B32_SSCALED, + PIPE_FORMAT_R32G32B32A32_SSCALED +}; + +static GLuint ushort_types_norm[4] = { + PIPE_FORMAT_R16_UNORM, + PIPE_FORMAT_R16G16_UNORM, + PIPE_FORMAT_R16G16B16_UNORM, + PIPE_FORMAT_R16G16B16A16_UNORM +}; + +static GLuint ushort_types_scale[4] = { + PIPE_FORMAT_R16_USCALED, + PIPE_FORMAT_R16G16_USCALED, + PIPE_FORMAT_R16G16B16_USCALED, + PIPE_FORMAT_R16G16B16A16_USCALED +}; + +static GLuint short_types_norm[4] = { + PIPE_FORMAT_R16_SNORM, + PIPE_FORMAT_R16G16_SNORM, + PIPE_FORMAT_R16G16B16_SNORM, + PIPE_FORMAT_R16G16B16A16_SNORM +}; + +static GLuint short_types_scale[4] = { + PIPE_FORMAT_R16_SSCALED, + PIPE_FORMAT_R16G16_SSCALED, + PIPE_FORMAT_R16G16B16_SSCALED, + PIPE_FORMAT_R16G16B16A16_SSCALED +}; + +static GLuint ubyte_types_norm[4] = { + PIPE_FORMAT_R8_UNORM, + PIPE_FORMAT_R8G8_UNORM, + PIPE_FORMAT_R8G8B8_UNORM, + PIPE_FORMAT_R8G8B8A8_UNORM +}; + +static GLuint ubyte_types_scale[4] = { + PIPE_FORMAT_R8_USCALED, + PIPE_FORMAT_R8G8_USCALED, + PIPE_FORMAT_R8G8B8_USCALED, + PIPE_FORMAT_R8G8B8A8_USCALED +}; + +static GLuint byte_types_norm[4] = { + PIPE_FORMAT_R8_SNORM, + PIPE_FORMAT_R8G8_SNORM, + PIPE_FORMAT_R8G8B8_SNORM, + PIPE_FORMAT_R8G8B8A8_SNORM +}; + +static GLuint byte_types_scale[4] = { + PIPE_FORMAT_R8_SSCALED, + PIPE_FORMAT_R8G8_SSCALED, + PIPE_FORMAT_R8G8B8_SSCALED, + PIPE_FORMAT_R8G8B8A8_SSCALED +}; + +static GLuint fixed_types[4] = { + PIPE_FORMAT_R32_FIXED, + PIPE_FORMAT_R32G32_FIXED, + PIPE_FORMAT_R32G32B32_FIXED, + PIPE_FORMAT_R32G32B32A32_FIXED +}; + + + +/** + * Return a PIPE_FORMAT_x for the given GL datatype and size. + */ +GLuint +st_pipe_vertex_format(GLenum type, GLuint size, GLenum format, + GLboolean normalized) +{ + assert((type >= GL_BYTE && type <= GL_DOUBLE) || + type == GL_FIXED || type == GL_HALF_FLOAT); + assert(size >= 1); + assert(size <= 4); + assert(format == GL_RGBA || format == GL_BGRA); + + if (format == GL_BGRA) { + /* this is an odd-ball case */ + assert(type == GL_UNSIGNED_BYTE); + assert(normalized); + return PIPE_FORMAT_B8G8R8A8_UNORM; + } + + if (normalized) { + switch (type) { + case GL_DOUBLE: return double_types[size-1]; + case GL_FLOAT: return float_types[size-1]; + case GL_HALF_FLOAT: return half_float_types[size-1]; + case GL_INT: return int_types_norm[size-1]; + case GL_SHORT: return short_types_norm[size-1]; + case GL_BYTE: return byte_types_norm[size-1]; + case GL_UNSIGNED_INT: return uint_types_norm[size-1]; + case GL_UNSIGNED_SHORT: return ushort_types_norm[size-1]; + case GL_UNSIGNED_BYTE: return ubyte_types_norm[size-1]; + case GL_FIXED: return fixed_types[size-1]; + default: assert(0); return 0; + } + } + else { + switch (type) { + case GL_DOUBLE: return double_types[size-1]; + case GL_FLOAT: return float_types[size-1]; + case GL_HALF_FLOAT: return half_float_types[size-1]; + case GL_INT: return int_types_scale[size-1]; + case GL_SHORT: return short_types_scale[size-1]; + case GL_BYTE: return byte_types_scale[size-1]; + case GL_UNSIGNED_INT: return uint_types_scale[size-1]; + case GL_UNSIGNED_SHORT: return ushort_types_scale[size-1]; + case GL_UNSIGNED_BYTE: return ubyte_types_scale[size-1]; + case GL_FIXED: return fixed_types[size-1]; + default: assert(0); return 0; + } + } + return 0; /* silence compiler warning */ +} + + + + + +/** + * Examine the active arrays to determine if we have interleaved + * vertex arrays all living in one VBO, or all living in user space. + * \param userSpace returns whether the arrays are in user space. + */ +static GLboolean +is_interleaved_arrays(const struct st_vertex_program *vp, + const struct st_vp_variant *vpv, + const struct gl_client_array **arrays, + GLboolean *userSpace) +{ + GLuint attr; + const struct gl_buffer_object *firstBufObj = NULL; + GLint firstStride = -1; + GLuint num_client_arrays = 0; + const GLubyte *client_addr = NULL; + + for (attr = 0; attr < vpv->num_inputs; attr++) { + const GLuint mesaAttr = vp->index_to_input[attr]; + const struct gl_buffer_object *bufObj = arrays[mesaAttr]->BufferObj; + const GLsizei stride = arrays[mesaAttr]->StrideB; /* in bytes */ + + if (firstStride < 0) { + firstStride = stride; + } + else if (firstStride != stride) { + return GL_FALSE; + } + + if (!bufObj || !bufObj->Name) { + num_client_arrays++; + /* Try to detect if the client-space arrays are + * "close" to each other. + */ + if (!client_addr) { + client_addr = arrays[mesaAttr]->Ptr; + } + else if (abs(arrays[mesaAttr]->Ptr - client_addr) > firstStride) { + /* arrays start too far apart */ + return GL_FALSE; + } + } + else if (!firstBufObj) { + firstBufObj = bufObj; + } + else if (bufObj != firstBufObj) { + return GL_FALSE; + } + } + + *userSpace = (num_client_arrays == vpv->num_inputs); + /* debug_printf("user space: %s (%d arrays, %d inputs)\n", + (int)*userSpace ? "Yes" : "No", num_client_arrays, vp->num_inputs); */ + + return GL_TRUE; +} + + +/** + * Compute the memory range occupied by the arrays. + */ +static void +get_arrays_bounds(const struct st_vertex_program *vp, + const struct st_vp_variant *vpv, + const struct gl_client_array **arrays, + GLuint max_index, + const GLubyte **low, const GLubyte **high) +{ + const GLubyte *low_addr = NULL; + const GLubyte *high_addr = NULL; + GLuint attr; + + /* debug_printf("get_arrays_bounds: Handling %u attrs\n", vpv->num_inputs); */ + + for (attr = 0; attr < vpv->num_inputs; attr++) { + const GLuint mesaAttr = vp->index_to_input[attr]; + const GLint stride = arrays[mesaAttr]->StrideB; + const GLubyte *start = arrays[mesaAttr]->Ptr; + const unsigned sz = (arrays[mesaAttr]->Size * + _mesa_sizeof_type(arrays[mesaAttr]->Type)); + const GLubyte *end = start + (max_index * stride) + sz; + + /* debug_printf("attr %u: stride %d size %u start %p end %p\n", + attr, stride, sz, start, end); */ + + if (attr == 0) { + low_addr = start; + high_addr = end; + } + else { + low_addr = MIN2(low_addr, start); + high_addr = MAX2(high_addr, end); + } + } + + *low = low_addr; + *high = high_addr; +} + + +/** + * Set up for drawing interleaved arrays that all live in one VBO + * or all live in user space. + * \param vbuffer returns vertex buffer info + * \param velements returns vertex element info + */ +static void +setup_interleaved_attribs(struct gl_context *ctx, + const struct st_vertex_program *vp, + const struct st_vp_variant *vpv, + const struct gl_client_array **arrays, + GLuint max_index, + GLboolean userSpace, + struct pipe_vertex_buffer *vbuffer, + struct pipe_vertex_element velements[]) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + GLuint attr; + const GLubyte *offset0 = NULL; + + for (attr = 0; attr < vpv->num_inputs; attr++) { + const GLuint mesaAttr = vp->index_to_input[attr]; + struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj; + struct st_buffer_object *stobj = st_buffer_object(bufobj); + GLsizei stride = arrays[mesaAttr]->StrideB; + + /*printf("stobj %u = %p\n", attr, (void*)stobj);*/ + + if (attr == 0) { + const GLubyte *low, *high; + + get_arrays_bounds(vp, vpv, arrays, max_index, &low, &high); + /* debug_printf("buffer range: %p %p range %d max index %u\n", + low, high, high - low, max_index); */ + + offset0 = low; + if (userSpace) { + vbuffer->buffer = + pipe_user_buffer_create(pipe->screen, (void *) low, high - low, + PIPE_BIND_VERTEX_BUFFER); + vbuffer->buffer_offset = 0; + } + else { + vbuffer->buffer = NULL; + pipe_resource_reference(&vbuffer->buffer, stobj->buffer); + vbuffer->buffer_offset = pointer_to_offset(low); + } + vbuffer->stride = stride; /* in bytes */ + vbuffer->max_index = max_index; + } + + velements[attr].src_offset = + (unsigned) (arrays[mesaAttr]->Ptr - offset0); + velements[attr].instance_divisor = 0; + velements[attr].vertex_buffer_index = 0; + velements[attr].src_format = + st_pipe_vertex_format(arrays[mesaAttr]->Type, + arrays[mesaAttr]->Size, + arrays[mesaAttr]->Format, + arrays[mesaAttr]->Normalized); + assert(velements[attr].src_format); + } +} + + +/** + * Set up a separate pipe_vertex_buffer and pipe_vertex_element for each + * vertex attribute. + * \param vbuffer returns vertex buffer info + * \param velements returns vertex element info + */ +static void +setup_non_interleaved_attribs(struct gl_context *ctx, + const struct st_vertex_program *vp, + const struct st_vp_variant *vpv, + const struct gl_client_array **arrays, + GLuint max_index, + GLboolean *userSpace, + struct pipe_vertex_buffer vbuffer[], + struct pipe_vertex_element velements[]) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + GLuint attr; + + for (attr = 0; attr < vpv->num_inputs; attr++) { + const GLuint mesaAttr = vp->index_to_input[attr]; + struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj; + GLsizei stride = arrays[mesaAttr]->StrideB; + + *userSpace = GL_FALSE; + + if (bufobj && bufobj->Name) { + /* Attribute data is in a VBO. + * Recall that for VBOs, the gl_client_array->Ptr field is + * really an offset from the start of the VBO, not a pointer. + */ + struct st_buffer_object *stobj = st_buffer_object(bufobj); + assert(stobj->buffer); + /*printf("stobj %u = %p\n", attr, (void*) stobj);*/ + + vbuffer[attr].buffer = NULL; + pipe_resource_reference(&vbuffer[attr].buffer, stobj->buffer); + vbuffer[attr].buffer_offset = pointer_to_offset(arrays[mesaAttr]->Ptr); + velements[attr].src_offset = 0; + } + else { + /* attribute data is in user-space memory, not a VBO */ + uint bytes; + /*printf("user-space array %d stride %d\n", attr, stride);*/ + + *userSpace = GL_TRUE; + + /* wrap user data */ + if (arrays[mesaAttr]->Ptr) { + /* user's vertex array */ + if (arrays[mesaAttr]->StrideB) { + bytes = arrays[mesaAttr]->StrideB * (max_index + 1); + } + else { + bytes = arrays[mesaAttr]->Size + * _mesa_sizeof_type(arrays[mesaAttr]->Type); + } + vbuffer[attr].buffer = + pipe_user_buffer_create(pipe->screen, + (void *) arrays[mesaAttr]->Ptr, bytes, + PIPE_BIND_VERTEX_BUFFER); + } + else { + /* no array, use ctx->Current.Attrib[] value */ + bytes = sizeof(ctx->Current.Attrib[0]); + vbuffer[attr].buffer = + pipe_user_buffer_create(pipe->screen, + (void *) ctx->Current.Attrib[mesaAttr], + bytes, + PIPE_BIND_VERTEX_BUFFER); + stride = 0; + } + + vbuffer[attr].buffer_offset = 0; + velements[attr].src_offset = 0; + } + + assert(velements[attr].src_offset <= 2048); /* 11-bit field */ + + /* common-case setup */ + vbuffer[attr].stride = stride; /* in bytes */ + vbuffer[attr].max_index = max_index; + velements[attr].instance_divisor = 0; + velements[attr].vertex_buffer_index = attr; + velements[attr].src_format + = st_pipe_vertex_format(arrays[mesaAttr]->Type, + arrays[mesaAttr]->Size, + arrays[mesaAttr]->Format, + arrays[mesaAttr]->Normalized); + assert(velements[attr].src_format); + } +} + + +static void +setup_index_buffer(struct gl_context *ctx, + const struct _mesa_index_buffer *ib, + struct pipe_index_buffer *ibuffer) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + + memset(ibuffer, 0, sizeof(*ibuffer)); + if (ib) { + struct gl_buffer_object *bufobj = ib->obj; + + switch (ib->type) { + case GL_UNSIGNED_INT: + ibuffer->index_size = 4; + break; + case GL_UNSIGNED_SHORT: + ibuffer->index_size = 2; + break; + case GL_UNSIGNED_BYTE: + ibuffer->index_size = 1; + break; + default: + assert(0); + return; + } + + /* get/create the index buffer object */ + if (bufobj && bufobj->Name) { + /* elements/indexes are in a real VBO */ + struct st_buffer_object *stobj = st_buffer_object(bufobj); + pipe_resource_reference(&ibuffer->buffer, stobj->buffer); + ibuffer->offset = pointer_to_offset(ib->ptr); + } + else { + /* element/indicies are in user space memory */ + ibuffer->buffer = + pipe_user_buffer_create(pipe->screen, (void *) ib->ptr, + ib->count * ibuffer->index_size, + PIPE_BIND_INDEX_BUFFER); + } + } +} + +/** + * Prior to drawing, check that any uniforms referenced by the + * current shader have been set. If a uniform has not been set, + * issue a warning. + */ +static void +check_uniforms(struct gl_context *ctx) +{ + struct gl_shader_program *shProg[3] = { + ctx->Shader.CurrentVertexProgram, + ctx->Shader.CurrentGeometryProgram, + ctx->Shader.CurrentFragmentProgram, + }; + unsigned j; + + for (j = 0; j < 3; j++) { + unsigned i; + + if (shProg[j] == NULL || !shProg[j]->LinkStatus) + continue; + + for (i = 0; i < shProg[j]->Uniforms->NumUniforms; i++) { + const struct gl_uniform *u = &shProg[j]->Uniforms->Uniforms[i]; + if (!u->Initialized) { + _mesa_warning(ctx, + "Using shader with uninitialized uniform: %s", + u->Name); + } + } + } +} + + +/** + * Translate OpenGL primtive type (GL_POINTS, GL_TRIANGLE_STRIP, etc) to + * the corresponding Gallium type. + */ +static unsigned +translate_prim(const struct gl_context *ctx, unsigned prim) +{ + /* GL prims should match Gallium prims, spot-check a few */ + assert(GL_POINTS == PIPE_PRIM_POINTS); + assert(GL_QUADS == PIPE_PRIM_QUADS); + assert(GL_TRIANGLE_STRIP_ADJACENCY == PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY); + + /* Avoid quadstrips if it's easy to do so: + * Note: it's imporant to do the correct trimming if we change the prim type! + * We do that wherever this function is called. + */ + if (prim == GL_QUAD_STRIP && + ctx->Light.ShadeModel != GL_FLAT && + ctx->Polygon.FrontMode == GL_FILL && + ctx->Polygon.BackMode == GL_FILL) + prim = GL_TRIANGLE_STRIP; + + return prim; +} + + + +/** + * This function gets plugged into the VBO module and is called when + * we have something to render. + * Basically, translate the information into the format expected by gallium. + */ +void +st_draw_vbo(struct gl_context *ctx, + const struct gl_client_array **arrays, + const struct _mesa_prim *prims, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLboolean index_bounds_valid, + GLuint min_index, + GLuint max_index) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + const struct st_vertex_program *vp; + const struct st_vp_variant *vpv; + struct pipe_vertex_buffer vbuffer[PIPE_MAX_SHADER_INPUTS]; + GLuint attr; + struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS]; + unsigned num_vbuffers, num_velements; + struct pipe_index_buffer ibuffer; + GLboolean userSpace = GL_FALSE; + GLboolean vertDataEdgeFlags; + struct pipe_draw_info info; + unsigned i; + + /* Mesa core state should have been validated already */ + assert(ctx->NewState == 0x0); + + /* Gallium probably doesn't want this in some cases. */ + if (!index_bounds_valid) + if (!vbo_all_varyings_in_vbos(arrays)) + vbo_get_minmax_index(ctx, prims, ib, &min_index, &max_index); + + /* sanity check for pointer arithmetic below */ + assert(sizeof(arrays[0]->Ptr[0]) == 1); + + vertDataEdgeFlags = arrays[VERT_ATTRIB_EDGEFLAG]->BufferObj && + arrays[VERT_ATTRIB_EDGEFLAG]->BufferObj->Name; + if (vertDataEdgeFlags != st->vertdata_edgeflags) { + st->vertdata_edgeflags = vertDataEdgeFlags; + st->dirty.st |= ST_NEW_EDGEFLAGS_DATA; + } + + st_validate_state(st); + + /* must get these after state validation! */ + vp = st->vp; + vpv = st->vp_variant; + +#if 0 + if (MESA_VERBOSE & VERBOSE_GLSL) { + check_uniforms(ctx); + } +#else + (void) check_uniforms; +#endif + + memset(velements, 0, sizeof(struct pipe_vertex_element) * vpv->num_inputs); + /* + * Setup the vbuffer[] and velements[] arrays. + */ + if (is_interleaved_arrays(vp, vpv, arrays, &userSpace)) { + /*printf("Draw interleaved\n");*/ + setup_interleaved_attribs(ctx, vp, vpv, arrays, max_index, userSpace, + vbuffer, velements); + num_vbuffers = 1; + num_velements = vpv->num_inputs; + if (num_velements == 0) + num_vbuffers = 0; + } + else { + /*printf("Draw non-interleaved\n");*/ + setup_non_interleaved_attribs(ctx, vp, vpv, arrays, max_index, + &userSpace, vbuffer, velements); + num_vbuffers = vpv->num_inputs; + num_velements = vpv->num_inputs; + } + +#if 0 + { + GLuint i; + for (i = 0; i < num_vbuffers; i++) { + printf("buffers[%d].stride = %u\n", i, vbuffer[i].stride); + printf("buffers[%d].max_index = %u\n", i, vbuffer[i].max_index); + printf("buffers[%d].buffer_offset = %u\n", i, vbuffer[i].buffer_offset); + printf("buffers[%d].buffer = %p\n", i, (void*) vbuffer[i].buffer); + } + for (i = 0; i < num_velements; i++) { + printf("vlements[%d].vbuffer_index = %u\n", i, velements[i].vertex_buffer_index); + printf("vlements[%d].src_offset = %u\n", i, velements[i].src_offset); + printf("vlements[%d].format = %s\n", i, util_format_name(velements[i].src_format)); + } + } +#endif + + pipe->set_vertex_buffers(pipe, num_vbuffers, vbuffer); + cso_set_vertex_elements(st->cso_context, num_velements, velements); + + setup_index_buffer(ctx, ib, &ibuffer); + pipe->set_index_buffer(pipe, &ibuffer); + + util_draw_init_info(&info); + if (ib) { + info.indexed = TRUE; + if (min_index != ~0 && max_index != ~0) { + info.min_index = min_index; + info.max_index = max_index; + } + } + + info.primitive_restart = st->ctx->Array.PrimitiveRestart; + info.restart_index = st->ctx->Array.RestartIndex; + + /* do actual drawing */ + for (i = 0; i < nr_prims; i++) { + info.mode = translate_prim( ctx, prims[i].mode ); + info.start = prims[i].start; + info.count = prims[i].count; + info.instance_count = prims[i].num_instances; + info.index_bias = prims[i].basevertex; + if (!ib) { + info.min_index = info.start; + info.max_index = info.start + info.count - 1; + } + + if (u_trim_pipe_prim(info.mode, &info.count)) + pipe->draw_vbo(pipe, &info); + } + + pipe_resource_reference(&ibuffer.buffer, NULL); + + /* unreference buffers (frees wrapped user-space buffer objects) */ + for (attr = 0; attr < num_vbuffers; attr++) { + pipe_resource_reference(&vbuffer[attr].buffer, NULL); + assert(!vbuffer[attr].buffer); + } + + if (userSpace) + { + pipe->set_vertex_buffers(pipe, 0, NULL); + } +} + + +void st_init_draw( struct st_context *st ) +{ + struct gl_context *ctx = st->ctx; + + vbo_set_draw_func(ctx, st_draw_vbo); + +#if FEATURE_feedback || FEATURE_rastpos + st->draw = draw_create(st->pipe); /* for selection/feedback */ + + /* Disable draw options that might convert points/lines to tris, etc. + * as that would foul-up feedback/selection mode. + */ + draw_wide_line_threshold(st->draw, 1000.0f); + draw_wide_point_threshold(st->draw, 1000.0f); + draw_enable_line_stipple(st->draw, FALSE); + draw_enable_point_sprites(st->draw, FALSE); +#endif +} + + +void st_destroy_draw( struct st_context *st ) +{ +#if FEATURE_feedback || FEATURE_rastpos + draw_destroy(st->draw); +#endif +} + + diff --git a/mesalib/src/mesa/state_tracker/st_draw.h b/mesalib/src/mesa/state_tracker/st_draw.h new file mode 100644 index 000000000..6c8b78c76 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_draw.h @@ -0,0 +1,91 @@ +/************************************************************************** + * + * Copyright 2004 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + */ + + +#ifndef ST_DRAW_H +#define ST_DRAW_H + +#include "main/compiler.h" +#include "main/glheader.h" + +struct _mesa_index_buffer; +struct _mesa_prim; +struct gl_client_array; +struct gl_context; +struct st_context; + +void st_init_draw( struct st_context *st ); + +void st_destroy_draw( struct st_context *st ); + +extern void +st_draw_vbo(struct gl_context *ctx, + const struct gl_client_array **arrays, + const struct _mesa_prim *prims, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLboolean index_bounds_valid, + GLuint min_index, + GLuint max_index); + +extern void +st_feedback_draw_vbo(struct gl_context *ctx, + const struct gl_client_array **arrays, + const struct _mesa_prim *prims, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLboolean index_bounds_valid, + GLuint min_index, + GLuint max_index); + +/* Internal function: + */ +extern GLuint +st_pipe_vertex_format(GLenum type, GLuint size, GLenum format, + GLboolean normalized); + + +/** + * When drawing with VBOs, the addresses specified with + * glVertex/Color/TexCoordPointer() are really offsets into the VBO, not real + * addresses. At some point we need to convert those pointers to offsets. + * This function is basically a cast wrapper to avoid warnings when building + * in 64-bit mode. + */ +static INLINE unsigned +pointer_to_offset(const void *ptr) +{ + return (unsigned) (((unsigned long) ptr) & 0xffffffffUL); +} + + +#endif diff --git a/mesalib/src/mesa/state_tracker/st_draw_feedback.c b/mesalib/src/mesa/state_tracker/st_draw_feedback.c new file mode 100644 index 000000000..b05e660ae --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_draw_feedback.c @@ -0,0 +1,286 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "main/imports.h" +#include "main/image.h" +#include "main/macros.h" + +#include "vbo/vbo.h" + +#include "st_context.h" +#include "st_atom.h" +#include "st_cb_bufferobjects.h" +#include "st_draw.h" +#include "st_program.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "util/u_inlines.h" + +#include "draw/draw_private.h" +#include "draw/draw_context.h" + + +#if FEATURE_feedback || FEATURE_rastpos + +/** + * Set the (private) draw module's post-transformed vertex format when in + * GL_SELECT or GL_FEEDBACK mode or for glRasterPos. + */ +static void +set_feedback_vertex_format(struct gl_context *ctx) +{ +#if 0 + struct st_context *st = st_context(ctx); + struct vertex_info vinfo; + GLuint i; + + memset(&vinfo, 0, sizeof(vinfo)); + + if (ctx->RenderMode == GL_SELECT) { + assert(ctx->RenderMode == GL_SELECT); + vinfo.num_attribs = 1; + vinfo.format[0] = FORMAT_4F; + vinfo.interp_mode[0] = INTERP_LINEAR; + } + else { + /* GL_FEEDBACK, or glRasterPos */ + /* emit all attribs (pos, color, texcoord) as GLfloat[4] */ + vinfo.num_attribs = st->state.vs->cso->state.num_outputs; + for (i = 0; i < vinfo.num_attribs; i++) { + vinfo.format[i] = FORMAT_4F; + vinfo.interp_mode[i] = INTERP_LINEAR; + } + } + + draw_set_vertex_info(st->draw, &vinfo); +#endif +} + + +/** + * Called by VBO to draw arrays when in selection or feedback mode and + * to implement glRasterPos. + * This is very much like the normal draw_vbo() function above. + * Look at code refactoring some day. + * Might move this into the failover module some day. + */ +void +st_feedback_draw_vbo(struct gl_context *ctx, + const struct gl_client_array **arrays, + const struct _mesa_prim *prims, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLboolean index_bounds_valid, + GLuint min_index, + GLuint max_index) +{ + struct st_context *st = st_context(ctx); + struct pipe_context *pipe = st->pipe; + struct draw_context *draw = st->draw; + const struct st_vertex_program *vp; + const struct pipe_shader_state *vs; + struct pipe_vertex_buffer vbuffers[PIPE_MAX_SHADER_INPUTS]; + struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS]; + struct pipe_index_buffer ibuffer; + struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS]; + struct pipe_transfer *ib_transfer = NULL; + struct pipe_transfer *cb_transfer; + GLuint attr, i; + ubyte *mapped_constants; + const void *mapped_indices = NULL; + + assert(draw); + + st_validate_state(st); + + if (!index_bounds_valid) + vbo_get_minmax_index(ctx, prims, ib, &min_index, &max_index); + + /* must get these after state validation! */ + vp = st->vp; + vs = &st->vp_variant->tgsi; + + if (!st->vp_variant->draw_shader) { + st->vp_variant->draw_shader = draw_create_vertex_shader(draw, vs); + } + + /* + * Set up the draw module's state. + * + * We'd like to do this less frequently, but the normal state-update + * code sends state updates to the pipe, not to our private draw module. + */ + assert(draw); + draw_set_viewport_state(draw, &st->state.viewport); + draw_set_clip_state(draw, &st->state.clip); + draw_set_rasterizer_state(draw, &st->state.rasterizer, NULL); + draw_bind_vertex_shader(draw, st->vp_variant->draw_shader); + set_feedback_vertex_format(ctx); + + /* loop over TGSI shader inputs to determine vertex buffer + * and attribute info + */ + for (attr = 0; attr < vp->num_inputs; attr++) { + const GLuint mesaAttr = vp->index_to_input[attr]; + struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj; + void *map; + + if (bufobj && bufobj->Name) { + /* Attribute data is in a VBO. + * Recall that for VBOs, the gl_client_array->Ptr field is + * really an offset from the start of the VBO, not a pointer. + */ + struct st_buffer_object *stobj = st_buffer_object(bufobj); + assert(stobj->buffer); + + vbuffers[attr].buffer = NULL; + pipe_resource_reference(&vbuffers[attr].buffer, stobj->buffer); + vbuffers[attr].buffer_offset = pointer_to_offset(arrays[0]->Ptr); + velements[attr].src_offset = arrays[mesaAttr]->Ptr - arrays[0]->Ptr; + } + else { + /* attribute data is in user-space memory, not a VBO */ + uint bytes = (arrays[mesaAttr]->Size + * _mesa_sizeof_type(arrays[mesaAttr]->Type) + * (max_index + 1)); + + /* wrap user data */ + vbuffers[attr].buffer + = pipe_user_buffer_create(pipe->screen, (void *) arrays[mesaAttr]->Ptr, + bytes, + PIPE_BIND_VERTEX_BUFFER); + vbuffers[attr].buffer_offset = 0; + velements[attr].src_offset = 0; + } + + /* common-case setup */ + vbuffers[attr].stride = arrays[mesaAttr]->StrideB; /* in bytes */ + vbuffers[attr].max_index = max_index; + velements[attr].instance_divisor = 0; + velements[attr].vertex_buffer_index = attr; + velements[attr].src_format = + st_pipe_vertex_format(arrays[mesaAttr]->Type, + arrays[mesaAttr]->Size, + arrays[mesaAttr]->Format, + arrays[mesaAttr]->Normalized); + assert(velements[attr].src_format); + + /* tell draw about this attribute */ +#if 0 + draw_set_vertex_buffer(draw, attr, &vbuffer[attr]); +#endif + + /* map the attrib buffer */ + map = pipe_buffer_map(pipe, vbuffers[attr].buffer, + PIPE_TRANSFER_READ, + &vb_transfer[attr]); + draw_set_mapped_vertex_buffer(draw, attr, map); + } + + draw_set_vertex_buffers(draw, vp->num_inputs, vbuffers); + draw_set_vertex_elements(draw, vp->num_inputs, velements); + + memset(&ibuffer, 0, sizeof(ibuffer)); + if (ib) { + struct gl_buffer_object *bufobj = ib->obj; + + switch (ib->type) { + case GL_UNSIGNED_INT: + ibuffer.index_size = 4; + break; + case GL_UNSIGNED_SHORT: + ibuffer.index_size = 2; + break; + case GL_UNSIGNED_BYTE: + ibuffer.index_size = 1; + break; + default: + assert(0); + return; + } + + if (bufobj && bufobj->Name) { + struct st_buffer_object *stobj = st_buffer_object(bufobj); + + pipe_resource_reference(&ibuffer.buffer, stobj->buffer); + ibuffer.offset = pointer_to_offset(ib->ptr); + + mapped_indices = pipe_buffer_map(pipe, stobj->buffer, + PIPE_TRANSFER_READ, &ib_transfer); + } + else { + /* skip setting ibuffer.buffer as the draw module does not use it */ + mapped_indices = ib->ptr; + } + + draw_set_index_buffer(draw, &ibuffer); + draw_set_mapped_index_buffer(draw, mapped_indices); + } + + /* map constant buffers */ + mapped_constants = pipe_buffer_map(pipe, + st->state.constants[PIPE_SHADER_VERTEX], + PIPE_TRANSFER_READ, + &cb_transfer); + draw_set_mapped_constant_buffer(st->draw, PIPE_SHADER_VERTEX, 0, + mapped_constants, + st->state.constants[PIPE_SHADER_VERTEX]->width0); + + + /* draw here */ + for (i = 0; i < nr_prims; i++) { + draw_arrays(draw, prims[i].mode, prims[i].start, prims[i].count); + } + + + /* unmap constant buffers */ + pipe_buffer_unmap(pipe, cb_transfer); + + /* + * unmap vertex/index buffers + */ + for (i = 0; i < PIPE_MAX_ATTRIBS; i++) { + if (draw->pt.vertex_buffer[i].buffer) { + pipe_buffer_unmap(pipe, vb_transfer[i]); + pipe_resource_reference(&draw->pt.vertex_buffer[i].buffer, NULL); + draw_set_mapped_vertex_buffer(draw, i, NULL); + } + } + + if (ib) { + draw_set_mapped_index_buffer(draw, NULL); + draw_set_index_buffer(draw, NULL); + + if (ib_transfer) + pipe_buffer_unmap(pipe, ib_transfer); + pipe_resource_reference(&ibuffer.buffer, NULL); + } +} + +#endif /* FEATURE_feedback || FEATURE_rastpos */ + diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c new file mode 100644 index 000000000..c80811a07 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_extensions.c @@ -0,0 +1,462 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * Copyright (c) 2008 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "main/imports.h" +#include "main/context.h" +#include "main/macros.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_screen.h" + +#include "st_context.h" +#include "st_extensions.h" + + +static int _min(int a, int b) +{ + return (a < b) ? a : b; +} + +static float _maxf(float a, float b) +{ + return (a > b) ? a : b; +} + +static int _clamp(int a, int min, int max) +{ + if (a < min) + return min; + else if (a > max) + return max; + else + return a; +} + + +/** + * Query driver to get implementation limits. + * Note that we have to limit/clamp against Mesa's internal limits too. + */ +void st_init_limits(struct st_context *st) +{ + struct pipe_screen *screen = st->pipe->screen; + struct gl_constants *c = &st->ctx->Const; + gl_shader_type sh; + + c->MaxTextureLevels + = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS), + MAX_TEXTURE_LEVELS); + + c->Max3DTextureLevels + = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_3D_LEVELS), + MAX_3D_TEXTURE_LEVELS); + + c->MaxCubeTextureLevels + = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS), + MAX_CUBE_TEXTURE_LEVELS); + + c->MaxTextureRectSize + = _min(1 << (c->MaxTextureLevels - 1), MAX_TEXTURE_RECT_SIZE); + + c->MaxTextureImageUnits + = _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS), + MAX_TEXTURE_IMAGE_UNITS); + + c->MaxVertexTextureImageUnits + = _min(screen->get_param(screen, PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS), + MAX_VERTEX_TEXTURE_IMAGE_UNITS); + + c->MaxCombinedTextureImageUnits + = _min(screen->get_param(screen, PIPE_CAP_MAX_COMBINED_SAMPLERS), + MAX_COMBINED_TEXTURE_IMAGE_UNITS); + + c->MaxTextureCoordUnits + = _min(c->MaxTextureImageUnits, MAX_TEXTURE_COORD_UNITS); + + c->MaxTextureUnits = _min(c->MaxTextureImageUnits, c->MaxTextureCoordUnits); + + c->MaxDrawBuffers + = _clamp(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS), + 1, MAX_DRAW_BUFFERS); + + c->MaxLineWidth + = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_LINE_WIDTH)); + c->MaxLineWidthAA + = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_LINE_WIDTH_AA)); + + c->MaxPointSize + = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_POINT_WIDTH)); + c->MaxPointSizeAA + = _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_POINT_WIDTH_AA)); + /* called after _mesa_create_context/_mesa_init_point, fix default user + * settable max point size up + */ + st->ctx->Point.MaxSize = MAX2(c->MaxPointSize, c->MaxPointSizeAA); + /* these are not queryable. Note that GL basically mandates a 1.0 minimum + * for non-aa sizes, but we can go down to 0.0 for aa points. + */ + c->MinPointSize = 1.0f; + c->MinPointSizeAA = 0.0f; + + c->MaxTextureMaxAnisotropy + = _maxf(2.0f, screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_ANISOTROPY)); + + c->MaxTextureLodBias + = screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_LOD_BIAS); + + c->MaxDrawBuffers + = CLAMP(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS), + 1, MAX_DRAW_BUFFERS); + + /* Quads always follow GL provoking rules. */ + c->QuadsFollowProvokingVertexConvention = GL_FALSE; + + for (sh = 0; sh < MESA_SHADER_TYPES; ++sh) { + struct gl_shader_compiler_options *options = + &st->ctx->ShaderCompilerOptions[sh]; + struct gl_program_constants *pc; + + switch (sh) { + case PIPE_SHADER_FRAGMENT: + pc = &c->FragmentProgram; + break; + case PIPE_SHADER_VERTEX: + pc = &c->VertexProgram; + break; + case PIPE_SHADER_GEOMETRY: + pc = &c->GeometryProgram; + break; + default: + assert(0); + continue; + } + + pc->MaxNativeInstructions = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS); + pc->MaxNativeAluInstructions = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS); + pc->MaxNativeTexInstructions = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS); + pc->MaxNativeTexIndirections = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS); + pc->MaxNativeAttribs = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INPUTS); + pc->MaxNativeTemps = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEMPS); + pc->MaxNativeAddressRegs = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_ADDRS); + pc->MaxNativeParameters = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONSTS); + pc->MaxUniformComponents = 4 * MIN2(pc->MaxNativeParameters, MAX_UNIFORMS); + + options->EmitNoNoise = TRUE; + + /* TODO: make these more fine-grained if anyone needs it */ + options->EmitNoIfs = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH); + options->EmitNoLoops = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH); + options->EmitNoFunctions = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES); + options->EmitNoMainReturn = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES); + + options->EmitNoCont = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED); + + options->EmitNoIndirectInput = !screen->get_shader_param(screen, sh, + PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR); + options->EmitNoIndirectOutput = !screen->get_shader_param(screen, sh, + PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR); + options->EmitNoIndirectTemp = !screen->get_shader_param(screen, sh, + PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR); + options->EmitNoIndirectUniform = !screen->get_shader_param(screen, sh, + PIPE_SHADER_CAP_INDIRECT_CONST_ADDR); + + if(options->EmitNoLoops) + options->MaxUnrollIterations = MIN2(screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS), 65536); + } + + /* PIPE_CAP_MAX_FS_INPUTS specifies the number of COLORn + GENERICn inputs + * and is set in MaxNativeAttribs. It's always 2 colors + N generic + * attributes. The GLSL compiler never uses COLORn for varyings, so we + * subtract the 2 colors to get the maximum number of varyings (generic + * attributes) supported by a driver. */ + c->MaxVarying = screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT, PIPE_SHADER_CAP_MAX_INPUTS) - 2; + c->MaxVarying = MIN2(c->MaxVarying, MAX_VARYING); + + /* XXX we'll need a better query here someday */ + if (screen->get_param(screen, PIPE_CAP_GLSL)) { + c->GLSLVersion = 120; + } +} + + +/** + * Use pipe_screen::get_param() to query PIPE_CAP_ values to determine + * which GL extensions are supported. + * Quite a few extensions are always supported because they are standard + * features or can be built on top of other gallium features. + * Some fine tuning may still be needed. + */ +void st_init_extensions(struct st_context *st) +{ + struct pipe_screen *screen = st->pipe->screen; + struct gl_context *ctx = st->ctx; + + /* + * Extensions that are supported by all Gallium drivers: + */ + ctx->Extensions.ARB_copy_buffer = GL_TRUE; + ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE; + ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE; + ctx->Extensions.ARB_fragment_program = GL_TRUE; + ctx->Extensions.ARB_map_buffer_range = GL_TRUE; + ctx->Extensions.ARB_multisample = GL_TRUE; + ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; /* XXX temp */ + ctx->Extensions.ARB_texture_compression = GL_TRUE; + ctx->Extensions.ARB_texture_cube_map = GL_TRUE; + ctx->Extensions.ARB_texture_env_combine = GL_TRUE; + ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE; + ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE; + ctx->Extensions.ARB_vertex_array_object = GL_TRUE; + ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE; + ctx->Extensions.ARB_vertex_program = GL_TRUE; + ctx->Extensions.ARB_window_pos = GL_TRUE; + + ctx->Extensions.EXT_blend_color = GL_TRUE; + ctx->Extensions.EXT_blend_func_separate = GL_TRUE; + ctx->Extensions.EXT_blend_logic_op = GL_TRUE; + ctx->Extensions.EXT_blend_minmax = GL_TRUE; + ctx->Extensions.EXT_blend_subtract = GL_TRUE; + ctx->Extensions.EXT_framebuffer_blit = GL_TRUE; + ctx->Extensions.EXT_framebuffer_object = GL_TRUE; + ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE; + ctx->Extensions.EXT_fog_coord = GL_TRUE; + ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE; + ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE; + ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE; + ctx->Extensions.EXT_point_parameters = GL_TRUE; + ctx->Extensions.EXT_provoking_vertex = GL_TRUE; + ctx->Extensions.EXT_secondary_color = GL_TRUE; + ctx->Extensions.EXT_stencil_wrap = GL_TRUE; + ctx->Extensions.EXT_texture_env_add = GL_TRUE; + ctx->Extensions.EXT_texture_env_combine = GL_TRUE; + ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE; + ctx->Extensions.EXT_texture_lod_bias = GL_TRUE; + ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE; + + ctx->Extensions.APPLE_vertex_array_object = GL_TRUE; + + ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE; + + ctx->Extensions.MESA_pack_invert = GL_TRUE; + + ctx->Extensions.NV_blend_square = GL_TRUE; + ctx->Extensions.NV_texgen_reflection = GL_TRUE; + ctx->Extensions.NV_texture_env_combine4 = GL_TRUE; + ctx->Extensions.NV_texture_rectangle = GL_TRUE; +#if 0 + /* possibly could support the following two */ + ctx->Extensions.NV_vertex_program = GL_TRUE; + ctx->Extensions.NV_vertex_program1_1 = GL_TRUE; +#endif + +#if FEATURE_OES_EGL_image + ctx->Extensions.OES_EGL_image = GL_TRUE; +#endif +#if FEATURE_OES_draw_texture + ctx->Extensions.OES_draw_texture = GL_TRUE; +#endif + + ctx->Extensions.SGIS_generate_mipmap = GL_TRUE; + + /* + * Extensions that depend on the driver/hardware: + */ + if (screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS) > 0) { + ctx->Extensions.ARB_draw_buffers = GL_TRUE; + } + + if (screen->get_param(screen, PIPE_CAP_TEXTURE_SWIZZLE) > 0) { + ctx->Extensions.EXT_texture_swizzle = GL_TRUE; + } + + if (screen->get_param(screen, PIPE_CAP_GLSL)) { + ctx->Extensions.ARB_fragment_shader = GL_TRUE; + ctx->Extensions.ARB_vertex_shader = GL_TRUE; + ctx->Extensions.ARB_shader_objects = GL_TRUE; + ctx->Extensions.ARB_shading_language_100 = GL_TRUE; + ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE; + ctx->Extensions.EXT_separate_shader_objects = GL_TRUE; + } + + if (screen->get_param(screen, PIPE_CAP_TEXTURE_MIRROR_REPEAT) > 0) { + ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE; + } + + if (screen->get_param(screen, PIPE_CAP_BLEND_EQUATION_SEPARATE)) { + ctx->Extensions.EXT_blend_equation_separate = GL_TRUE; + } + + if (screen->get_param(screen, PIPE_CAP_TEXTURE_MIRROR_CLAMP) > 0) { + ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE; + ctx->Extensions.ATI_texture_mirror_once = GL_TRUE; + } + + if (screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES)) { + ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE; + } + + if (screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS) > 1) { + ctx->Extensions.ARB_multitexture = GL_TRUE; + } + + if (screen->get_param(screen, PIPE_CAP_TWO_SIDED_STENCIL)) { + ctx->Extensions.ATI_separate_stencil = GL_TRUE; + ctx->Extensions.EXT_stencil_two_side = GL_TRUE; + } + + if (screen->get_param(screen, PIPE_CAP_ANISOTROPIC_FILTER)) { + ctx->Extensions.EXT_texture_filter_anisotropic = GL_TRUE; + } + + if (screen->get_param(screen, PIPE_CAP_POINT_SPRITE)) { + ctx->Extensions.ARB_point_sprite = GL_TRUE; + /* GL_NV_point_sprite is not supported by gallium because we don't + * support the GL_POINT_SPRITE_R_MODE_NV option. + */ + } + + if (screen->get_param(screen, PIPE_CAP_OCCLUSION_QUERY)) { + ctx->Extensions.ARB_occlusion_query = GL_TRUE; + ctx->Extensions.ARB_occlusion_query2 = GL_TRUE; + } + if (screen->get_param(screen, PIPE_CAP_TIMER_QUERY)) { + ctx->Extensions.EXT_timer_query = GL_TRUE; + } + + if (screen->get_param(screen, PIPE_CAP_TEXTURE_SHADOW_MAP)) { + ctx->Extensions.ARB_depth_texture = GL_TRUE; + ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE; + ctx->Extensions.ARB_shadow = GL_TRUE; + ctx->Extensions.EXT_shadow_funcs = GL_TRUE; + /*ctx->Extensions.ARB_shadow_ambient = GL_TRUE;*/ + } + + /* GL_EXT_packed_depth_stencil requires both the ability to render to + * a depth/stencil buffer and texture from depth/stencil source. + */ + if (screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_DEPTH_STENCIL, 0) && + screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0)) { + ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE; + } + else if (screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_DEPTH_STENCIL, 0) && + screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0)) { + ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE; + } + + /* sRGB support */ + if (screen->is_format_supported(screen, PIPE_FORMAT_A8B8G8R8_SRGB, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0) || + screen->is_format_supported(screen, PIPE_FORMAT_B8G8R8A8_SRGB, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0)) { + ctx->Extensions.EXT_texture_sRGB = GL_TRUE; + } + + if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0)) { + ctx->Extensions.ARB_texture_rg = GL_TRUE; + } + + /* s3tc support */ + if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0) && + (ctx->Mesa_DXTn || + screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_RENDER_TARGET, 0))) { + ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE; + ctx->Extensions.S3_s3tc = GL_TRUE; + } + + /* ycbcr support */ + if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0) || + screen->is_format_supported(screen, PIPE_FORMAT_YUYV, + PIPE_TEXTURE_2D, 0, + PIPE_BIND_SAMPLER_VIEW, 0)) { + ctx->Extensions.MESA_ycbcr_texture = GL_TRUE; + } + + /* GL_ARB_framebuffer_object */ + if (ctx->Extensions.EXT_packed_depth_stencil) { + /* we support always support GL_EXT_framebuffer_blit */ + ctx->Extensions.ARB_framebuffer_object = GL_TRUE; + } + + if (st->pipe->render_condition) { + ctx->Extensions.NV_conditional_render = GL_TRUE; + } + + if (screen->get_param(screen, PIPE_CAP_INDEP_BLEND_ENABLE)) { + ctx->Extensions.EXT_draw_buffers2 = GL_TRUE; + } + + /* GL_ARB_half_float_vertex */ + if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_FLOAT, + PIPE_BUFFER, 0, + PIPE_BIND_VERTEX_BUFFER, 0)) { + ctx->Extensions.ARB_half_float_vertex = GL_TRUE; + } + +#if 0 /* not yet */ + if (screen->get_param(screen, PIPE_CAP_INDEP_BLEND_FUNC)) { + ctx->Extensions.ARB_draw_buffers_blend = GL_TRUE; + } +#endif + + if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY, PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) { +#if 0 /* XXX re-enable when GLSL compiler again supports geometry shaders */ + ctx->Extensions.ARB_geometry_shader4 = GL_TRUE; +#endif + } + + if (screen->get_param(screen, PIPE_CAP_PRIMITIVE_RESTART)) { + ctx->Extensions.NV_primitive_restart = GL_TRUE; + } + + if (screen->get_param(screen, PIPE_CAP_DEPTH_CLAMP)) { + ctx->Extensions.ARB_depth_clamp = GL_TRUE; + } + + if (screen->get_param(screen, PIPE_CAP_SHADER_STENCIL_EXPORT)) { + ctx->Extensions.ARB_shader_stencil_export = GL_TRUE; + } +} diff --git a/mesalib/src/mesa/state_tracker/st_extensions.h b/mesalib/src/mesa/state_tracker/st_extensions.h new file mode 100644 index 000000000..f29f9e1cf --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_extensions.h @@ -0,0 +1,40 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_EXTENSIONS_H +#define ST_EXTENSIONS_H + + +struct st_context; + +extern void st_init_limits(struct st_context *st); + +extern void st_init_extensions(struct st_context *st); + + +#endif /* ST_EXTENSIONS_H */ diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c new file mode 100644 index 000000000..11253d11a --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_format.c @@ -0,0 +1,1090 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * Copyright (c) 2008-2010 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/** + * Mesa / Gallium format conversion and format selection code. + * \author Brian Paul + */ + +#include "main/imports.h" +#include "main/context.h" +#include "main/texstore.h" +#include "main/image.h" +#include "main/macros.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_screen.h" +#include "util/u_format.h" +#include "st_context.h" +#include "st_format.h" + + +static GLuint +format_max_bits(enum pipe_format format) +{ + GLuint size = util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0); + + size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 1)); + size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 2)); + size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 3)); + size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 0)); + size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 1)); + return size; +} + + +/** + * Return basic GL datatype for the given gallium format. + */ +GLenum +st_format_datatype(enum pipe_format format) +{ + const struct util_format_description *desc; + + desc = util_format_description(format); + assert(desc); + + if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN) { + if (format == PIPE_FORMAT_B5G5R5A1_UNORM || + format == PIPE_FORMAT_B5G6R5_UNORM) { + return GL_UNSIGNED_SHORT; + } + else if (format == PIPE_FORMAT_Z24_UNORM_S8_USCALED || + format == PIPE_FORMAT_S8_USCALED_Z24_UNORM || + format == PIPE_FORMAT_Z24X8_UNORM || + format == PIPE_FORMAT_X8Z24_UNORM) { + return GL_UNSIGNED_INT_24_8; + } + else { + const GLuint size = format_max_bits(format); + if (size == 8) { + if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED) + return GL_UNSIGNED_BYTE; + else + return GL_BYTE; + } + else if (size == 16) { + if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED) + return GL_UNSIGNED_SHORT; + else + return GL_SHORT; + } + else { + assert( size <= 32 ); + if (desc->channel[0].type == UTIL_FORMAT_TYPE_UNSIGNED) + return GL_UNSIGNED_INT; + else + return GL_INT; + } + } + } + else if (format == PIPE_FORMAT_UYVY) { + return GL_UNSIGNED_SHORT; + } + else if (format == PIPE_FORMAT_YUYV) { + return GL_UNSIGNED_SHORT; + } + else { + /* compressed format? */ + assert(0); + } + + assert(0); + return GL_NONE; +} + + +/** + * Translate Mesa format to Gallium format. + */ +enum pipe_format +st_mesa_format_to_pipe_format(gl_format mesaFormat) +{ + switch (mesaFormat) { + case MESA_FORMAT_RGBA8888: + return PIPE_FORMAT_A8B8G8R8_UNORM; + case MESA_FORMAT_RGBA8888_REV: + return PIPE_FORMAT_R8G8B8A8_UNORM; + case MESA_FORMAT_ARGB8888: + return PIPE_FORMAT_B8G8R8A8_UNORM; + case MESA_FORMAT_ARGB8888_REV: + return PIPE_FORMAT_A8R8G8B8_UNORM; + case MESA_FORMAT_XRGB8888: + return PIPE_FORMAT_B8G8R8X8_UNORM; + case MESA_FORMAT_XRGB8888_REV: + return PIPE_FORMAT_X8R8G8B8_UNORM; + case MESA_FORMAT_ARGB1555: + return PIPE_FORMAT_B5G5R5A1_UNORM; + case MESA_FORMAT_ARGB4444: + return PIPE_FORMAT_B4G4R4A4_UNORM; + case MESA_FORMAT_RGB565: + return PIPE_FORMAT_B5G6R5_UNORM; + case MESA_FORMAT_RGB332: + return PIPE_FORMAT_B2G3R3_UNORM; + case MESA_FORMAT_ARGB2101010: + return PIPE_FORMAT_B10G10R10A2_UNORM; + case MESA_FORMAT_AL44: + return PIPE_FORMAT_L4A4_UNORM; + case MESA_FORMAT_AL88: + return PIPE_FORMAT_L8A8_UNORM; + case MESA_FORMAT_AL1616: + return PIPE_FORMAT_L16A16_UNORM; + case MESA_FORMAT_A8: + return PIPE_FORMAT_A8_UNORM; + case MESA_FORMAT_A16: + return PIPE_FORMAT_A16_UNORM; + case MESA_FORMAT_L8: + return PIPE_FORMAT_L8_UNORM; + case MESA_FORMAT_L16: + return PIPE_FORMAT_L16_UNORM; + case MESA_FORMAT_I8: + return PIPE_FORMAT_I8_UNORM; + case MESA_FORMAT_I16: + return PIPE_FORMAT_I16_UNORM; + case MESA_FORMAT_Z16: + return PIPE_FORMAT_Z16_UNORM; + case MESA_FORMAT_Z32: + return PIPE_FORMAT_Z32_UNORM; + case MESA_FORMAT_Z24_S8: + return PIPE_FORMAT_S8_USCALED_Z24_UNORM; + case MESA_FORMAT_S8_Z24: + return PIPE_FORMAT_Z24_UNORM_S8_USCALED; + case MESA_FORMAT_Z24_X8: + return PIPE_FORMAT_X8Z24_UNORM; + case MESA_FORMAT_X8_Z24: + return PIPE_FORMAT_Z24X8_UNORM; + case MESA_FORMAT_S8: + return PIPE_FORMAT_S8_USCALED; + case MESA_FORMAT_YCBCR: + return PIPE_FORMAT_UYVY; +#if FEATURE_texture_s3tc + case MESA_FORMAT_RGB_DXT1: + return PIPE_FORMAT_DXT1_RGB; + case MESA_FORMAT_RGBA_DXT1: + return PIPE_FORMAT_DXT1_RGBA; + case MESA_FORMAT_RGBA_DXT3: + return PIPE_FORMAT_DXT3_RGBA; + case MESA_FORMAT_RGBA_DXT5: + return PIPE_FORMAT_DXT5_RGBA; +#if FEATURE_EXT_texture_sRGB + case MESA_FORMAT_SRGB_DXT1: + return PIPE_FORMAT_DXT1_SRGB; + case MESA_FORMAT_SRGBA_DXT1: + return PIPE_FORMAT_DXT1_SRGBA; + case MESA_FORMAT_SRGBA_DXT3: + return PIPE_FORMAT_DXT3_SRGBA; + case MESA_FORMAT_SRGBA_DXT5: + return PIPE_FORMAT_DXT5_SRGBA; +#endif +#endif +#if FEATURE_EXT_texture_sRGB + case MESA_FORMAT_SLA8: + return PIPE_FORMAT_L8A8_SRGB; + case MESA_FORMAT_SL8: + return PIPE_FORMAT_L8_SRGB; + case MESA_FORMAT_SRGB8: + return PIPE_FORMAT_R8G8B8_SRGB; + case MESA_FORMAT_SRGBA8: + return PIPE_FORMAT_A8B8G8R8_SRGB; + case MESA_FORMAT_SARGB8: + return PIPE_FORMAT_B8G8R8A8_SRGB; +#endif + case MESA_FORMAT_R8: + return PIPE_FORMAT_R8_UNORM; + case MESA_FORMAT_R16: + return PIPE_FORMAT_R16_UNORM; + case MESA_FORMAT_RG88: + return PIPE_FORMAT_R8G8_UNORM; + case MESA_FORMAT_RG1616: + return PIPE_FORMAT_R16G16_UNORM; + case MESA_FORMAT_RGBA_16: + return PIPE_FORMAT_R16G16B16A16_UNORM; + + /* signed int formats */ + case MESA_FORMAT_RGBA_INT8: + return PIPE_FORMAT_R8G8B8A8_SSCALED; + case MESA_FORMAT_RGBA_INT16: + return PIPE_FORMAT_R16G16B16A16_SSCALED; + case MESA_FORMAT_RGBA_INT32: + return PIPE_FORMAT_R32G32B32A32_SSCALED; + + /* unsigned int formats */ + case MESA_FORMAT_RGBA_UINT8: + return PIPE_FORMAT_R8G8B8A8_USCALED; + case MESA_FORMAT_RGBA_UINT16: + return PIPE_FORMAT_R16G16B16A16_USCALED; + case MESA_FORMAT_RGBA_UINT32: + return PIPE_FORMAT_R32G32B32A32_USCALED; + + default: + assert(0); + return PIPE_FORMAT_NONE; + } +} + + +/** + * Translate Gallium format to Mesa format. + */ +gl_format +st_pipe_format_to_mesa_format(enum pipe_format format) +{ + switch (format) { + case PIPE_FORMAT_A8B8G8R8_UNORM: + return MESA_FORMAT_RGBA8888; + case PIPE_FORMAT_R8G8B8A8_UNORM: + return MESA_FORMAT_RGBA8888_REV; + case PIPE_FORMAT_B8G8R8A8_UNORM: + return MESA_FORMAT_ARGB8888; + case PIPE_FORMAT_A8R8G8B8_UNORM: + return MESA_FORMAT_ARGB8888_REV; + case PIPE_FORMAT_B8G8R8X8_UNORM: + return MESA_FORMAT_XRGB8888; + case PIPE_FORMAT_X8R8G8B8_UNORM: + return MESA_FORMAT_XRGB8888_REV; + case PIPE_FORMAT_B5G5R5A1_UNORM: + return MESA_FORMAT_ARGB1555; + case PIPE_FORMAT_B4G4R4A4_UNORM: + return MESA_FORMAT_ARGB4444; + case PIPE_FORMAT_B5G6R5_UNORM: + return MESA_FORMAT_RGB565; + case PIPE_FORMAT_B2G3R3_UNORM: + return MESA_FORMAT_RGB332; + case PIPE_FORMAT_B10G10R10A2_UNORM: + return MESA_FORMAT_ARGB2101010; + case PIPE_FORMAT_L4A4_UNORM: + return MESA_FORMAT_AL44; + case PIPE_FORMAT_L8A8_UNORM: + return MESA_FORMAT_AL88; + case PIPE_FORMAT_L16A16_UNORM: + return MESA_FORMAT_AL1616; + case PIPE_FORMAT_A8_UNORM: + return MESA_FORMAT_A8; + case PIPE_FORMAT_A16_UNORM: + return MESA_FORMAT_A16; + case PIPE_FORMAT_L8_UNORM: + return MESA_FORMAT_L8; + case PIPE_FORMAT_L16_UNORM: + return MESA_FORMAT_L16; + case PIPE_FORMAT_I8_UNORM: + return MESA_FORMAT_I8; + case PIPE_FORMAT_I16_UNORM: + return MESA_FORMAT_I16; + case PIPE_FORMAT_S8_USCALED: + return MESA_FORMAT_S8; + + case PIPE_FORMAT_R16G16B16A16_UNORM: + return MESA_FORMAT_RGBA_16; + case PIPE_FORMAT_R16G16B16A16_SNORM: + return MESA_FORMAT_SIGNED_RGBA_16; + + case PIPE_FORMAT_Z16_UNORM: + return MESA_FORMAT_Z16; + case PIPE_FORMAT_Z32_UNORM: + return MESA_FORMAT_Z32; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + return MESA_FORMAT_Z24_S8; + case PIPE_FORMAT_X8Z24_UNORM: + return MESA_FORMAT_Z24_X8; + case PIPE_FORMAT_Z24X8_UNORM: + return MESA_FORMAT_X8_Z24; + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + return MESA_FORMAT_S8_Z24; + + case PIPE_FORMAT_UYVY: + return MESA_FORMAT_YCBCR; + case PIPE_FORMAT_YUYV: + return MESA_FORMAT_YCBCR_REV; + +#if FEATURE_texture_s3tc + case PIPE_FORMAT_DXT1_RGB: + return MESA_FORMAT_RGB_DXT1; + case PIPE_FORMAT_DXT1_RGBA: + return MESA_FORMAT_RGBA_DXT1; + case PIPE_FORMAT_DXT3_RGBA: + return MESA_FORMAT_RGBA_DXT3; + case PIPE_FORMAT_DXT5_RGBA: + return MESA_FORMAT_RGBA_DXT5; +#if FEATURE_EXT_texture_sRGB + case PIPE_FORMAT_DXT1_SRGB: + return MESA_FORMAT_SRGB_DXT1; + case PIPE_FORMAT_DXT1_SRGBA: + return MESA_FORMAT_SRGBA_DXT1; + case PIPE_FORMAT_DXT3_SRGBA: + return MESA_FORMAT_SRGBA_DXT3; + case PIPE_FORMAT_DXT5_SRGBA: + return MESA_FORMAT_SRGBA_DXT5; +#endif +#endif + +#if FEATURE_EXT_texture_sRGB + case PIPE_FORMAT_L8A8_SRGB: + return MESA_FORMAT_SLA8; + case PIPE_FORMAT_L8_SRGB: + return MESA_FORMAT_SL8; + case PIPE_FORMAT_R8G8B8_SRGB: + return MESA_FORMAT_SRGB8; + case PIPE_FORMAT_A8B8G8R8_SRGB: + return MESA_FORMAT_SRGBA8; + case PIPE_FORMAT_B8G8R8A8_SRGB: + return MESA_FORMAT_SARGB8; +#endif + + case PIPE_FORMAT_R8_UNORM: + return MESA_FORMAT_R8; + case PIPE_FORMAT_R16_UNORM: + return MESA_FORMAT_R16; + case PIPE_FORMAT_R8G8_UNORM: + return MESA_FORMAT_RG88; + case PIPE_FORMAT_R16G16_UNORM: + return MESA_FORMAT_RG1616; + + /* signed int formats */ + case PIPE_FORMAT_R8G8B8A8_SSCALED: + return MESA_FORMAT_RGBA_INT8; + case PIPE_FORMAT_R16G16B16A16_SSCALED: + return MESA_FORMAT_RGBA_INT16; + case PIPE_FORMAT_R32G32B32A32_SSCALED: + return MESA_FORMAT_RGBA_INT32; + + /* unsigned int formats */ + case PIPE_FORMAT_R8G8B8A8_USCALED: + return MESA_FORMAT_RGBA_UINT8; + case PIPE_FORMAT_R16G16B16A16_USCALED: + return MESA_FORMAT_RGBA_UINT16; + case PIPE_FORMAT_R32G32B32A32_USCALED: + return MESA_FORMAT_RGBA_UINT32; + + default: + assert(0); + return MESA_FORMAT_NONE; + } +} + + +/** + * Return first supported format from the given list. + */ +static enum pipe_format +find_supported_format(struct pipe_screen *screen, + const enum pipe_format formats[], + uint num_formats, + enum pipe_texture_target target, + unsigned sample_count, + unsigned tex_usage, + unsigned geom_flags) +{ + uint i; + for (i = 0; i < num_formats; i++) { + if (screen->is_format_supported(screen, formats[i], target, + sample_count, tex_usage, geom_flags)) { + return formats[i]; + } + } + return PIPE_FORMAT_NONE; +} + + +/** + * Find an RGBA format supported by the context/winsys. + */ +static enum pipe_format +default_rgba_format(struct pipe_screen *screen, + enum pipe_texture_target target, + unsigned sample_count, + unsigned tex_usage, + unsigned geom_flags) +{ + static const enum pipe_format colorFormats[] = { + PIPE_FORMAT_B8G8R8A8_UNORM, + PIPE_FORMAT_A8R8G8B8_UNORM, + PIPE_FORMAT_A8B8G8R8_UNORM, + PIPE_FORMAT_B5G6R5_UNORM + }; + return find_supported_format(screen, colorFormats, Elements(colorFormats), + target, sample_count, tex_usage, geom_flags); +} + + +/** + * Find an RGB format supported by the context/winsys. + */ +static enum pipe_format +default_rgb_format(struct pipe_screen *screen, + enum pipe_texture_target target, + unsigned sample_count, + unsigned tex_usage, + unsigned geom_flags) +{ + static const enum pipe_format colorFormats[] = { + PIPE_FORMAT_B8G8R8X8_UNORM, + PIPE_FORMAT_X8R8G8B8_UNORM, + PIPE_FORMAT_X8B8G8R8_UNORM, + PIPE_FORMAT_B8G8R8A8_UNORM, + PIPE_FORMAT_A8R8G8B8_UNORM, + PIPE_FORMAT_A8B8G8R8_UNORM, + PIPE_FORMAT_B5G6R5_UNORM + }; + return find_supported_format(screen, colorFormats, Elements(colorFormats), + target, sample_count, tex_usage, geom_flags); +} + +/** + * Find an sRGBA format supported by the context/winsys. + */ +static enum pipe_format +default_srgba_format(struct pipe_screen *screen, + enum pipe_texture_target target, + unsigned sample_count, + unsigned tex_usage, + unsigned geom_flags) +{ + static const enum pipe_format colorFormats[] = { + PIPE_FORMAT_B8G8R8A8_SRGB, + PIPE_FORMAT_A8R8G8B8_SRGB, + PIPE_FORMAT_A8B8G8R8_SRGB, + }; + return find_supported_format(screen, colorFormats, Elements(colorFormats), + target, sample_count, tex_usage, geom_flags); +} + + +/** + * Given an OpenGL internalFormat value for a texture or surface, return + * the best matching PIPE_FORMAT_x, or PIPE_FORMAT_NONE if there's no match. + * This is called during glTexImage2D, for example. + * + * The bindings parameter typically has PIPE_BIND_SAMPLER_VIEW set, plus + * either PIPE_BINDING_RENDER_TARGET or PIPE_BINDING_DEPTH_STENCIL if + * we want render-to-texture ability. + * + * \param internalFormat the user value passed to glTexImage2D + * \param target one of PIPE_TEXTURE_x + * \param bindings bitmask of PIPE_BIND_x flags. + */ +enum pipe_format +st_choose_format(struct pipe_screen *screen, GLenum internalFormat, + enum pipe_texture_target target, unsigned sample_count, + unsigned bindings) +{ + unsigned geom_flags = 0; /* we don't care about POT vs. NPOT here, yet */ + + switch (internalFormat) { + case GL_RGB10: + case GL_RGB10_A2: + if (screen->is_format_supported( screen, PIPE_FORMAT_B10G10R10A2_UNORM, + target, sample_count, bindings, + geom_flags )) + return PIPE_FORMAT_B10G10R10A2_UNORM; + /* Pass through. */ + case 4: + case GL_RGBA: + case GL_RGBA8: + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case 3: + case GL_RGB: + case GL_RGB8: + return default_rgb_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_RGB12: + case GL_RGB16: + case GL_RGBA12: + case GL_RGBA16: + if (screen->is_format_supported( screen, PIPE_FORMAT_R16G16B16A16_UNORM, + target, sample_count, bindings, + geom_flags )) + return PIPE_FORMAT_R16G16B16A16_UNORM; + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_RGBA4: + case GL_RGBA2: + if (screen->is_format_supported( screen, PIPE_FORMAT_B4G4R4A4_UNORM, + target, sample_count, bindings, + geom_flags )) + return PIPE_FORMAT_B4G4R4A4_UNORM; + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_RGB5_A1: + if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM, + target, sample_count, bindings, + geom_flags )) + return PIPE_FORMAT_B5G5R5A1_UNORM; + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_R3_G3_B2: + if (screen->is_format_supported( screen, PIPE_FORMAT_B2G3R3_UNORM, + target, sample_count, bindings, + geom_flags )) + return PIPE_FORMAT_B2G3R3_UNORM; + /* Pass through. */ + case GL_RGB5: + case GL_RGB4: + if (screen->is_format_supported( screen, PIPE_FORMAT_B5G6R5_UNORM, + target, sample_count, bindings, + geom_flags )) + return PIPE_FORMAT_B5G6R5_UNORM; + if (screen->is_format_supported( screen, PIPE_FORMAT_B5G5R5A1_UNORM, + target, sample_count, bindings, + geom_flags )) + return PIPE_FORMAT_B5G5R5A1_UNORM; + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_ALPHA12: + case GL_ALPHA16: + if (screen->is_format_supported( screen, PIPE_FORMAT_A16_UNORM, target, + sample_count, bindings, geom_flags )) + return PIPE_FORMAT_A16_UNORM; + /* Pass through. */ + case GL_ALPHA: + case GL_ALPHA4: + case GL_ALPHA8: + case GL_COMPRESSED_ALPHA: + if (screen->is_format_supported( screen, PIPE_FORMAT_A8_UNORM, target, + sample_count, bindings, geom_flags )) + return PIPE_FORMAT_A8_UNORM; + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_LUMINANCE12: + case GL_LUMINANCE16: + if (screen->is_format_supported( screen, PIPE_FORMAT_L16_UNORM, target, + sample_count, bindings, geom_flags )) + return PIPE_FORMAT_L16_UNORM; + /* Pass through. */ + case 1: + case GL_LUMINANCE: + case GL_LUMINANCE4: + case GL_LUMINANCE8: + case GL_COMPRESSED_LUMINANCE: + if (screen->is_format_supported( screen, PIPE_FORMAT_L8_UNORM, target, + sample_count, bindings, geom_flags )) + return PIPE_FORMAT_L8_UNORM; + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_LUMINANCE12_ALPHA4: + case GL_LUMINANCE12_ALPHA12: + case GL_LUMINANCE16_ALPHA16: + if (screen->is_format_supported( screen, PIPE_FORMAT_L16A16_UNORM, target, + sample_count, bindings, geom_flags )) + return PIPE_FORMAT_L16A16_UNORM; + /* Pass through. */ + case 2: + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE6_ALPHA2: + case GL_LUMINANCE8_ALPHA8: + case GL_COMPRESSED_LUMINANCE_ALPHA: + if (screen->is_format_supported( screen, PIPE_FORMAT_L8A8_UNORM, target, + sample_count, bindings, geom_flags )) + return PIPE_FORMAT_L8A8_UNORM; + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_LUMINANCE4_ALPHA4: + if (screen->is_format_supported( screen, PIPE_FORMAT_L4A4_UNORM, target, + sample_count, bindings, geom_flags )) + return PIPE_FORMAT_L4A4_UNORM; + if (screen->is_format_supported( screen, PIPE_FORMAT_L8A8_UNORM, target, + sample_count, bindings, geom_flags )) + return PIPE_FORMAT_L8A8_UNORM; + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_INTENSITY12: + case GL_INTENSITY16: + if (screen->is_format_supported( screen, PIPE_FORMAT_I16_UNORM, target, + sample_count, bindings, geom_flags )) + return PIPE_FORMAT_I16_UNORM; + /* Pass through. */ + case GL_INTENSITY: + case GL_INTENSITY4: + case GL_INTENSITY8: + case GL_COMPRESSED_INTENSITY: + if (screen->is_format_supported( screen, PIPE_FORMAT_I8_UNORM, target, + sample_count, bindings, geom_flags )) + return PIPE_FORMAT_I8_UNORM; + return default_rgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_YCBCR_MESA: + if (screen->is_format_supported(screen, PIPE_FORMAT_UYVY, target, + sample_count, bindings, geom_flags)) { + return PIPE_FORMAT_UYVY; + } + if (screen->is_format_supported(screen, PIPE_FORMAT_YUYV, target, + sample_count, bindings, geom_flags)) { + return PIPE_FORMAT_YUYV; + } + return PIPE_FORMAT_NONE; + + case GL_COMPRESSED_RED: + case GL_COMPRESSED_RG: + case GL_COMPRESSED_RGB: + /* can only sample from compressed formats */ + if (bindings & ~PIPE_BIND_SAMPLER_VIEW) + return PIPE_FORMAT_NONE; + else if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGB, + target, sample_count, bindings, + geom_flags)) + return PIPE_FORMAT_DXT1_RGB; + else + return default_rgb_format(screen, target, sample_count, bindings, + geom_flags); + + case GL_COMPRESSED_RGBA: + /* can only sample from compressed formats */ + if (bindings & ~PIPE_BIND_SAMPLER_VIEW) + return PIPE_FORMAT_NONE; + else if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_RGBA, + target, sample_count, bindings, + geom_flags)) + return PIPE_FORMAT_DXT3_RGBA; + else + return default_rgba_format(screen, target, sample_count, bindings, + geom_flags); + + case GL_RGB_S3TC: + case GL_RGB4_S3TC: + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGB, + target, sample_count, bindings, + geom_flags)) + return PIPE_FORMAT_DXT1_RGB; + else + return PIPE_FORMAT_NONE; + + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGBA, + target, sample_count, bindings, + geom_flags)) + return PIPE_FORMAT_DXT1_RGBA; + else + return PIPE_FORMAT_NONE; + + case GL_RGBA_S3TC: + case GL_RGBA4_S3TC: + case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: + if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_RGBA, + target, sample_count, bindings, + geom_flags)) + return PIPE_FORMAT_DXT3_RGBA; + else + return PIPE_FORMAT_NONE; + + case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: + if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA, + target, sample_count, bindings, + geom_flags)) + return PIPE_FORMAT_DXT5_RGBA; + else + return PIPE_FORMAT_NONE; + +#if 0 + case GL_COMPRESSED_RGB_FXT1_3DFX: + return PIPE_FORMAT_RGB_FXT1; + case GL_COMPRESSED_RGBA_FXT1_3DFX: + return PIPE_FORMAT_RGB_FXT1; +#endif + + case GL_DEPTH_COMPONENT16: + if (screen->is_format_supported(screen, PIPE_FORMAT_Z16_UNORM, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_Z16_UNORM; + /* fall-through */ + case GL_DEPTH_COMPONENT24: + if (screen->is_format_supported(screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED, + target, sample_count, bindings, geom_flags)) + return PIPE_FORMAT_Z24_UNORM_S8_USCALED; + if (screen->is_format_supported(screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM, + target, sample_count, bindings, geom_flags)) + return PIPE_FORMAT_S8_USCALED_Z24_UNORM; + /* fall-through */ + case GL_DEPTH_COMPONENT32: + if (screen->is_format_supported(screen, PIPE_FORMAT_Z32_UNORM, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_Z32_UNORM; + /* fall-through */ + case GL_DEPTH_COMPONENT: + { + static const enum pipe_format formats[] = { + PIPE_FORMAT_Z32_UNORM, + PIPE_FORMAT_Z24_UNORM_S8_USCALED, + PIPE_FORMAT_S8_USCALED_Z24_UNORM, + PIPE_FORMAT_Z16_UNORM + }; + return find_supported_format(screen, formats, Elements(formats), + target, sample_count, bindings, geom_flags); + } + + case GL_STENCIL_INDEX: + case GL_STENCIL_INDEX1_EXT: + case GL_STENCIL_INDEX4_EXT: + case GL_STENCIL_INDEX8_EXT: + case GL_STENCIL_INDEX16_EXT: + { + static const enum pipe_format formats[] = { + PIPE_FORMAT_S8_USCALED, + PIPE_FORMAT_Z24_UNORM_S8_USCALED, + PIPE_FORMAT_S8_USCALED_Z24_UNORM + }; + return find_supported_format(screen, formats, Elements(formats), + target, sample_count, bindings, geom_flags); + } + + case GL_DEPTH_STENCIL_EXT: + case GL_DEPTH24_STENCIL8_EXT: + { + static const enum pipe_format formats[] = { + PIPE_FORMAT_Z24_UNORM_S8_USCALED, + PIPE_FORMAT_S8_USCALED_Z24_UNORM + }; + return find_supported_format(screen, formats, Elements(formats), + target, sample_count, bindings, geom_flags); + } + + case GL_SRGB_EXT: + case GL_SRGB8_EXT: + case GL_SRGB_ALPHA_EXT: + case GL_SRGB8_ALPHA8_EXT: + return default_srgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_COMPRESSED_SRGB_EXT: + case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: + if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_SRGB, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_DXT1_SRGB; + return default_srgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: + return PIPE_FORMAT_DXT1_SRGBA; + + case GL_COMPRESSED_SRGB_ALPHA_EXT: + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: + if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_SRGBA, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_DXT3_SRGBA; + return default_srgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: + return PIPE_FORMAT_DXT5_SRGBA; + + case GL_SLUMINANCE_ALPHA_EXT: + case GL_SLUMINANCE8_ALPHA8_EXT: + case GL_COMPRESSED_SLUMINANCE_EXT: + case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT: + if (screen->is_format_supported(screen, PIPE_FORMAT_L8A8_SRGB, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_L8A8_SRGB; + return default_srgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_SLUMINANCE_EXT: + case GL_SLUMINANCE8_EXT: + if (screen->is_format_supported(screen, PIPE_FORMAT_L8_SRGB, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_L8_SRGB; + return default_srgba_format( screen, target, sample_count, bindings, + geom_flags ); + + case GL_RED: + case GL_R8: + if (screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_R8_UNORM; + return PIPE_FORMAT_NONE; + case GL_RG: + case GL_RG8: + if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_R8G8_UNORM; + return PIPE_FORMAT_NONE; + + case GL_R16: + if (screen->is_format_supported(screen, PIPE_FORMAT_R16_UNORM, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_R16_UNORM; + return PIPE_FORMAT_NONE; + + case GL_RG16: + if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_R16G16_UNORM; + return PIPE_FORMAT_NONE; + + case GL_COMPRESSED_RED_RGTC1: + if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_UNORM, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_RGTC1_UNORM; + return PIPE_FORMAT_NONE; + + case GL_COMPRESSED_SIGNED_RED_RGTC1: + if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_SNORM, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_RGTC1_SNORM; + return PIPE_FORMAT_NONE; + + case GL_COMPRESSED_RG_RGTC2: + if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_UNORM, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_RGTC2_UNORM; + return PIPE_FORMAT_NONE; + + case GL_COMPRESSED_SIGNED_RG_RGTC2: + if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_SNORM, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_RGTC2_SNORM; + return PIPE_FORMAT_NONE; + + /* signed/unsigned integer formats. + * XXX Mesa only has formats for RGBA signed/unsigned integer formats. + * If/when new formats are added this code should be updated. + */ + case GL_RED_INTEGER_EXT: + case GL_GREEN_INTEGER_EXT: + case GL_BLUE_INTEGER_EXT: + case GL_ALPHA_INTEGER_EXT: + case GL_RGB_INTEGER_EXT: + case GL_RGBA_INTEGER_EXT: + case GL_BGR_INTEGER_EXT: + case GL_BGRA_INTEGER_EXT: + case GL_LUMINANCE_INTEGER_EXT: + case GL_LUMINANCE_ALPHA_INTEGER_EXT: + /* fall-through */ + case GL_RGBA8I_EXT: + case GL_RGB8I_EXT: + case GL_ALPHA8I_EXT: + case GL_INTENSITY8I_EXT: + case GL_LUMINANCE8I_EXT: + case GL_LUMINANCE_ALPHA8I_EXT: + if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_SSCALED, + target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_R8G8B8A8_SSCALED; + return PIPE_FORMAT_NONE; + case GL_RGBA16I_EXT: + case GL_RGB16I_EXT: + case GL_ALPHA16I_EXT: + case GL_INTENSITY16I_EXT: + case GL_LUMINANCE16I_EXT: + case GL_LUMINANCE_ALPHA16I_EXT: + if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_SSCALED, + target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_R16G16B16A16_SSCALED; + return PIPE_FORMAT_NONE; + case GL_RGBA32I_EXT: + case GL_RGB32I_EXT: + case GL_ALPHA32I_EXT: + case GL_INTENSITY32I_EXT: + case GL_LUMINANCE32I_EXT: + case GL_LUMINANCE_ALPHA32I_EXT: + /* xxx */ + if (screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_SSCALED, + target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_R32G32B32A32_SSCALED; + return PIPE_FORMAT_NONE; + + case GL_RGBA8UI_EXT: + case GL_RGB8UI_EXT: + case GL_ALPHA8UI_EXT: + case GL_INTENSITY8UI_EXT: + case GL_LUMINANCE8UI_EXT: + case GL_LUMINANCE_ALPHA8UI_EXT: + if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8B8A8_USCALED, + target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_R8G8B8A8_USCALED; + return PIPE_FORMAT_NONE; + + case GL_RGBA16UI_EXT: + case GL_RGB16UI_EXT: + case GL_ALPHA16UI_EXT: + case GL_INTENSITY16UI_EXT: + case GL_LUMINANCE16UI_EXT: + case GL_LUMINANCE_ALPHA16UI_EXT: + if (screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_USCALED, + target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_R16G16B16A16_USCALED; + return PIPE_FORMAT_NONE; + + case GL_RGBA32UI_EXT: + case GL_RGB32UI_EXT: + case GL_ALPHA32UI_EXT: + case GL_INTENSITY32UI_EXT: + case GL_LUMINANCE32UI_EXT: + case GL_LUMINANCE_ALPHA32UI_EXT: + if (screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_USCALED, + target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_R32G32B32A32_USCALED; + return PIPE_FORMAT_NONE; + + default: + return PIPE_FORMAT_NONE; + } +} + + +/** + * Called by FBO code to choose a PIPE_FORMAT_ for drawing surfaces. + */ +enum pipe_format +st_choose_renderbuffer_format(struct pipe_screen *screen, + GLenum internalFormat, unsigned sample_count) +{ + uint usage; + if (_mesa_is_depth_or_stencil_format(internalFormat)) + usage = PIPE_BIND_DEPTH_STENCIL; + else + usage = PIPE_BIND_RENDER_TARGET; + return st_choose_format(screen, internalFormat, PIPE_TEXTURE_2D, + sample_count, usage); +} + + +/** + * Called via ctx->Driver.chooseTextureFormat(). + */ +gl_format +st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat, + GLenum format, GLenum type, GLboolean renderable) +{ + struct pipe_screen *screen = st_context(ctx)->pipe->screen; + enum pipe_format pFormat; + uint bindings; + + (void) format; + (void) type; + + /* GL textures may wind up being render targets, but we don't know + * that in advance. Specify potential render target flags now. + */ + bindings = PIPE_BIND_SAMPLER_VIEW; + if (renderable == GL_TRUE) { + if (_mesa_is_depth_format(internalFormat) || + _mesa_is_depth_or_stencil_format(internalFormat)) + bindings |= PIPE_BIND_DEPTH_STENCIL; + else + bindings |= PIPE_BIND_RENDER_TARGET; + } + + pFormat = st_choose_format(screen, internalFormat, + PIPE_TEXTURE_2D, 0, bindings); + + if (pFormat == PIPE_FORMAT_NONE) { + /* try choosing format again, this time without render target bindings */ + pFormat = st_choose_format(screen, internalFormat, + PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW); + } + + if (pFormat == PIPE_FORMAT_NONE) { + /* no luck at all */ + return MESA_FORMAT_NONE; + } + + return st_pipe_format_to_mesa_format(pFormat); +} + +gl_format +st_ChooseTextureFormat(struct gl_context *ctx, GLint internalFormat, + GLenum format, GLenum type) +{ + boolean want_renderable = + internalFormat == 3 || internalFormat == 4 || + internalFormat == GL_RGB || internalFormat == GL_RGBA || + internalFormat == GL_RGB8 || internalFormat == GL_RGBA8; + + return st_ChooseTextureFormat_renderable(ctx, internalFormat, + format, type, want_renderable); +} + +/** + * Test if a gallium format is equivalent to a GL format/type. + */ +GLboolean +st_equal_formats(enum pipe_format pFormat, GLenum format, GLenum type) +{ + switch (pFormat) { + case PIPE_FORMAT_A8B8G8R8_UNORM: + return format == GL_RGBA && type == GL_UNSIGNED_BYTE; + case PIPE_FORMAT_A8R8G8B8_UNORM: + return format == GL_BGRA && type == GL_UNSIGNED_BYTE; + case PIPE_FORMAT_B5G6R5_UNORM: + return format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5; + /* XXX more combos... */ + default: + return GL_FALSE; + } +} + +GLboolean +st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2) +{ + if (format1 == format2) + return GL_TRUE; + + if (format1 == PIPE_FORMAT_B8G8R8A8_UNORM && + format2 == PIPE_FORMAT_B8G8R8X8_UNORM) + return GL_TRUE; + + if (format1 == PIPE_FORMAT_B8G8R8X8_UNORM && + format2 == PIPE_FORMAT_B8G8R8A8_UNORM) + return GL_TRUE; + + if (format1 == PIPE_FORMAT_A8B8G8R8_UNORM && + format2 == PIPE_FORMAT_X8B8G8R8_UNORM) + return GL_TRUE; + + if (format1 == PIPE_FORMAT_X8B8G8R8_UNORM && + format2 == PIPE_FORMAT_A8B8G8R8_UNORM) + return GL_TRUE; + + if (format1 == PIPE_FORMAT_A8R8G8B8_UNORM && + format2 == PIPE_FORMAT_X8R8G8B8_UNORM) + return GL_TRUE; + + if (format1 == PIPE_FORMAT_X8R8G8B8_UNORM && + format2 == PIPE_FORMAT_A8R8G8B8_UNORM) + return GL_TRUE; + + return GL_FALSE; +} diff --git a/mesalib/src/mesa/state_tracker/st_format.h b/mesalib/src/mesa/state_tracker/st_format.h new file mode 100644 index 000000000..ffcaf402a --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_format.h @@ -0,0 +1,80 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * Copyright (c) 2010 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_FORMAT_H +#define ST_FORMAT_H + +#include "main/formats.h" +#include "main/glheader.h" + +#include "pipe/p_defines.h" +#include "pipe/p_format.h" + +struct gl_context; +struct pipe_screen; + +extern GLenum +st_format_datatype(enum pipe_format format); + + +extern enum pipe_format +st_mesa_format_to_pipe_format(gl_format mesaFormat); + +extern gl_format +st_pipe_format_to_mesa_format(enum pipe_format pipeFormat); + + +extern enum pipe_format +st_choose_format(struct pipe_screen *screen, GLenum internalFormat, + enum pipe_texture_target target, unsigned sample_count, + unsigned tex_usage); + +extern enum pipe_format +st_choose_renderbuffer_format(struct pipe_screen *screen, + GLenum internalFormat, unsigned sample_count); + + +gl_format +st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat, + GLenum format, GLenum type, GLboolean renderable); + +extern gl_format +st_ChooseTextureFormat(struct gl_context * ctx, GLint internalFormat, + GLenum format, GLenum type); + + +extern GLboolean +st_equal_formats(enum pipe_format pFormat, GLenum format, GLenum type); + +/* can we use a sampler view to translate these formats + only used to make TFP so far */ +extern GLboolean +st_sampler_compat_formats(enum pipe_format format1, enum pipe_format format2); + +#endif /* ST_FORMAT_H */ diff --git a/mesalib/src/mesa/state_tracker/st_gen_mipmap.c b/mesalib/src/mesa/state_tracker/st_gen_mipmap.c new file mode 100644 index 000000000..a7dfbea1a --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_gen_mipmap.c @@ -0,0 +1,423 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include "main/imports.h" +#include "main/mipmap.h" +#include "main/teximage.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "util/u_inlines.h" +#include "util/u_format.h" +#include "util/u_gen_mipmap.h" + +#include "st_debug.h" +#include "st_context.h" +#include "st_texture.h" +#include "st_gen_mipmap.h" +#include "st_cb_texture.h" + + +/** + * one-time init for generate mipmap + * XXX Note: there may be other times we need no-op/simple state like this. + * In that case, some code refactoring would be good. + */ +void +st_init_generate_mipmap(struct st_context *st) +{ + st->gen_mipmap = util_create_gen_mipmap(st->pipe, st->cso_context); +} + + +void +st_destroy_generate_mipmap(struct st_context *st) +{ + util_destroy_gen_mipmap(st->gen_mipmap); + st->gen_mipmap = NULL; +} + + +/** + * Generate mipmap levels using hardware rendering. + * \return TRUE if successful, FALSE if not possible + */ +static boolean +st_render_mipmap(struct st_context *st, + GLenum target, + struct st_texture_object *stObj, + uint baseLevel, uint lastLevel) +{ + struct pipe_context *pipe = st->pipe; + struct pipe_screen *screen = pipe->screen; + struct pipe_sampler_view *psv = st_get_texture_sampler_view(stObj, pipe); + const uint face = _mesa_tex_target_to_face(target); + + assert(psv->texture == stObj->pt); +#if 0 + assert(target != GL_TEXTURE_3D); /* implemented but untested */ +#endif + + /* check if we can render in the texture's format */ + /* XXX should probably kill this and always use util_gen_mipmap + since this implements a sw fallback as well */ + if (!screen->is_format_supported(screen, psv->format, psv->texture->target, + 0, PIPE_BIND_RENDER_TARGET, 0)) { + return FALSE; + } + + util_gen_mipmap(st->gen_mipmap, psv, face, baseLevel, lastLevel, + PIPE_TEX_FILTER_LINEAR); + + return TRUE; +} + + +/** + * Helper function to decompress an image. The result is a 32-bpp RGBA + * image with stride==width. + */ +static void +decompress_image(enum pipe_format format, + const uint8_t *src, uint8_t *dst, + unsigned width, unsigned height) +{ + const struct util_format_description *desc = util_format_description(format); + const uint bw = util_format_get_blockwidth(format); + const uint bh = util_format_get_blockheight(format); + const uint dst_stride = 4 * MAX2(width, bw); + const uint src_stride = util_format_get_stride(format, width); + + desc->unpack_rgba_8unorm(dst, dst_stride, src, src_stride, width, height); + + if (width < bw || height < bh) { + /* We're decompressing an image smaller than the compression + * block size. We don't want garbage pixel values in the region + * outside (width x height) so replicate pixels from the (width + * x height) region to fill out the (bw x bh) block size. + */ + uint x, y; + for (y = 0; y < bh; y++) { + for (x = 0; x < bw; x++) { + if (x >= width || y >= height) { + uint p = (y * bw + x) * 4; + dst[p + 0] = dst[0]; + dst[p + 1] = dst[1]; + dst[p + 2] = dst[2]; + dst[p + 3] = dst[3]; + } + } + } + } +} + + +/** + * Helper function to compress an image. The source is a 32-bpp RGBA image + * with stride==width. + */ +static void +compress_image(enum pipe_format format, + const uint8_t *src, uint8_t *dst, + unsigned width, unsigned height) +{ + const struct util_format_description *desc = util_format_description(format); + const uint dst_stride = util_format_get_stride(format, width); + const uint src_stride = 4 * width; + + desc->pack_rgba_8unorm(dst, dst_stride, src, src_stride, width, height); +} + + +/** + * Software fallback for generate mipmap levels. + */ +static void +fallback_generate_mipmap(struct gl_context *ctx, GLenum target, + struct gl_texture_object *texObj) +{ + struct pipe_context *pipe = st_context(ctx)->pipe; + struct pipe_resource *pt = st_get_texobj_resource(texObj); + const uint baseLevel = texObj->BaseLevel; + const uint lastLevel = pt->last_level; + const uint face = _mesa_tex_target_to_face(target); + uint dstLevel; + GLenum datatype; + GLuint comps; + GLboolean compressed; + + if (ST_DEBUG & DEBUG_FALLBACK) + debug_printf("%s: fallback processing\n", __FUNCTION__); + + assert(target != GL_TEXTURE_3D); /* not done yet */ + + compressed = + _mesa_is_format_compressed(texObj->Image[face][baseLevel]->TexFormat); + + if (compressed) { + datatype = GL_UNSIGNED_BYTE; + comps = 4; + } + else { + _mesa_format_to_type_and_comps(texObj->Image[face][baseLevel]->TexFormat, + &datatype, &comps); + assert(comps > 0 && "bad texture format in fallback_generate_mipmap()"); + } + + for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) { + const uint srcLevel = dstLevel - 1; + const uint srcWidth = u_minify(pt->width0, srcLevel); + const uint srcHeight = u_minify(pt->height0, srcLevel); + const uint srcDepth = u_minify(pt->depth0, srcLevel); + const uint dstWidth = u_minify(pt->width0, dstLevel); + const uint dstHeight = u_minify(pt->height0, dstLevel); + const uint dstDepth = u_minify(pt->depth0, dstLevel); + struct pipe_transfer *srcTrans, *dstTrans; + const ubyte *srcData; + ubyte *dstData; + int srcStride, dstStride; + + srcTrans = pipe_get_transfer(st_context(ctx)->pipe, pt, srcLevel, + face, + PIPE_TRANSFER_READ, 0, 0, + srcWidth, srcHeight); + + dstTrans = pipe_get_transfer(st_context(ctx)->pipe, pt, dstLevel, + face, + PIPE_TRANSFER_WRITE, 0, 0, + dstWidth, dstHeight); + + srcData = (ubyte *) pipe_transfer_map(pipe, srcTrans); + dstData = (ubyte *) pipe_transfer_map(pipe, dstTrans); + + srcStride = srcTrans->stride / util_format_get_blocksize(srcTrans->resource->format); + dstStride = dstTrans->stride / util_format_get_blocksize(dstTrans->resource->format); + + /* this cannot work correctly for 3d since it does + not respect layerStride. */ + if (compressed) { + const enum pipe_format format = pt->format; + const uint bw = util_format_get_blockwidth(format); + const uint bh = util_format_get_blockheight(format); + const uint srcWidth2 = align(srcWidth, bw); + const uint srcHeight2 = align(srcHeight, bh); + const uint dstWidth2 = align(dstWidth, bw); + const uint dstHeight2 = align(dstHeight, bh); + uint8_t *srcTemp, *dstTemp; + + assert(comps == 4); + + srcTemp = malloc(srcWidth2 * srcHeight2 * comps + 000); + dstTemp = malloc(dstWidth2 * dstHeight2 * comps + 000); + + /* decompress the src image: srcData -> srcTemp */ + decompress_image(format, srcData, srcTemp, srcWidth, srcHeight); + + _mesa_generate_mipmap_level(target, datatype, comps, + 0 /*border*/, + srcWidth2, srcHeight2, srcDepth, + srcTemp, + srcWidth2, /* stride in texels */ + dstWidth2, dstHeight2, dstDepth, + dstTemp, + dstWidth2); /* stride in texels */ + + /* compress the new image: dstTemp -> dstData */ + compress_image(format, dstTemp, dstData, dstWidth, dstHeight); + + free(srcTemp); + free(dstTemp); + } + else { + _mesa_generate_mipmap_level(target, datatype, comps, + 0 /*border*/, + srcWidth, srcHeight, srcDepth, + srcData, + srcStride, /* stride in texels */ + dstWidth, dstHeight, dstDepth, + dstData, + dstStride); /* stride in texels */ + } + + pipe_transfer_unmap(pipe, srcTrans); + pipe_transfer_unmap(pipe, dstTrans); + + pipe->transfer_destroy(pipe, srcTrans); + pipe->transfer_destroy(pipe, dstTrans); + } +} + + +/** + * Compute the expected number of mipmap levels in the texture given + * the width/height/depth of the base image and the GL_TEXTURE_BASE_LEVEL/ + * GL_TEXTURE_MAX_LEVEL settings. This will tell us how many mipmap + * levels should be generated. + */ +static GLuint +compute_num_levels(struct gl_context *ctx, + struct gl_texture_object *texObj, + GLenum target) +{ + if (target == GL_TEXTURE_RECTANGLE_ARB) { + return 1; + } + else { + const struct gl_texture_image *baseImage = + _mesa_get_tex_image(ctx, texObj, target, texObj->BaseLevel); + GLuint size, numLevels; + + size = MAX2(baseImage->Width2, baseImage->Height2); + size = MAX2(size, baseImage->Depth2); + + numLevels = texObj->BaseLevel; + + while (size > 0) { + numLevels++; + size >>= 1; + } + + numLevels = MIN2(numLevels, texObj->MaxLevel + 1); + + assert(numLevels >= 1); + + return numLevels; + } +} + + +/** + * Called via ctx->Driver.GenerateMipmap(). + */ +void +st_generate_mipmap(struct gl_context *ctx, GLenum target, + struct gl_texture_object *texObj) +{ + struct st_context *st = st_context(ctx); + struct st_texture_object *stObj = st_texture_object(texObj); + struct pipe_resource *pt = st_get_texobj_resource(texObj); + const uint baseLevel = texObj->BaseLevel; + uint lastLevel; + uint dstLevel; + + if (!pt) + return; + + /* not sure if this ultimately actually should work, + but we're not supporting multisampled textures yet. */ + assert(pt->nr_samples < 2); + + /* find expected last mipmap level to generate*/ + lastLevel = compute_num_levels(ctx, texObj, target) - 1; + + if (lastLevel == 0) + return; + + if (pt->last_level < lastLevel) { + /* The current gallium texture doesn't have space for all the + * mipmap levels we need to generate. So allocate a new texture. + */ + struct pipe_resource *oldTex = stObj->pt; + + /* create new texture with space for more levels */ + stObj->pt = st_texture_create(st, + oldTex->target, + oldTex->format, + lastLevel, + oldTex->width0, + oldTex->height0, + oldTex->depth0, + oldTex->bind); + + /* The texture isn't in a "complete" state yet so set the expected + * lastLevel here, since it won't get done in st_finalize_texture(). + */ + stObj->lastLevel = lastLevel; + + /* This will copy the old texture's base image into the new texture + * which we just allocated. + */ + st_finalize_texture(ctx, st->pipe, texObj); + + /* release the old tex (will likely be freed too) */ + pipe_resource_reference(&oldTex, NULL); + pipe_sampler_view_reference(&stObj->sampler_view, NULL); + + pt = stObj->pt; + } + else { + /* Make sure that the base texture image data is present in the + * texture buffer. + */ + st_finalize_texture(ctx, st->pipe, texObj); + } + + assert(pt->last_level >= lastLevel); + + /* Try to generate the mipmap by rendering/texturing. If that fails, + * use the software fallback. + */ + if (!st_render_mipmap(st, target, stObj, baseLevel, lastLevel)) { + /* since the util code actually also has a fallback, should + probably make it never fail and kill this */ + fallback_generate_mipmap(ctx, target, texObj); + } + + /* Fill in the Mesa gl_texture_image fields */ + for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) { + const uint srcLevel = dstLevel - 1; + const struct gl_texture_image *srcImage + = _mesa_get_tex_image(ctx, texObj, target, srcLevel); + struct gl_texture_image *dstImage; + struct st_texture_image *stImage; + uint dstWidth = u_minify(pt->width0, dstLevel); + uint dstHeight = u_minify(pt->height0, dstLevel); + uint dstDepth = u_minify(pt->depth0, dstLevel); + uint border = srcImage->Border; + + dstImage = _mesa_get_tex_image(ctx, texObj, target, dstLevel); + if (!dstImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps"); + return; + } + + /* Free old image data */ + if (dstImage->Data) + ctx->Driver.FreeTexImageData(ctx, dstImage); + + /* initialize new image */ + _mesa_init_teximage_fields(ctx, target, dstImage, dstWidth, dstHeight, + dstDepth, border, srcImage->InternalFormat, + srcImage->TexFormat); + + stImage = st_texture_image(dstImage); + stImage->level = dstLevel; + + pipe_resource_reference(&stImage->pt, pt); + } +} diff --git a/mesalib/src/mesa/state_tracker/st_gen_mipmap.h b/mesalib/src/mesa/state_tracker/st_gen_mipmap.h new file mode 100644 index 000000000..8a361a1f6 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_gen_mipmap.h @@ -0,0 +1,52 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_GEN_MIPMAP_H +#define ST_GEN_MIPMAP_H + + +#include "main/glheader.h" + +struct gl_context; +struct gl_texture_object; +struct st_context; + +extern void +st_init_generate_mipmap(struct st_context *st); + + +extern void +st_destroy_generate_mipmap(struct st_context *st); + + +extern void +st_generate_mipmap(struct gl_context *ctx, GLenum target, + struct gl_texture_object *texObj); + + +#endif /* ST_GEN_MIPMAP_H */ diff --git a/mesalib/src/mesa/state_tracker/st_gl_api.h b/mesalib/src/mesa/state_tracker/st_gl_api.h new file mode 100644 index 000000000..59782d0d5 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_gl_api.h @@ -0,0 +1,7 @@ + +#ifndef ST_GL_API_H +#define ST_GL_API_H + +struct st_api *st_gl_api_create(void); + +#endif diff --git a/mesalib/src/mesa/state_tracker/st_manager.c b/mesalib/src/mesa/state_tracker/st_manager.c new file mode 100644 index 000000000..74d402daa --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_manager.c @@ -0,0 +1,924 @@ +/* + * Mesa 3-D graphics library + * Version: 7.9 + * + * Copyright (C) 2010 LunarG Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Chia-I Wu + */ + +#include "state_tracker/st_gl_api.h" + +#include "pipe/p_context.h" +#include "pipe/p_screen.h" +#include "util/u_format.h" +#include "util/u_pointer.h" +#include "util/u_inlines.h" +#include "util/u_atomic.h" +#include "util/u_surface.h" + +#include "main/mtypes.h" +#include "main/context.h" +#include "main/texobj.h" +#include "main/teximage.h" +#include "main/texstate.h" +#include "main/framebuffer.h" +#include "main/fbobject.h" +#include "main/renderbuffer.h" +#include "main/version.h" +#include "st_texture.h" + +#include "st_context.h" +#include "st_format.h" +#include "st_cb_fbo.h" +#include "st_cb_flush.h" +#include "st_manager.h" + +/** + * Cast wrapper to convert a struct gl_framebuffer to an st_framebuffer. + * Return NULL if the struct gl_framebuffer is a user-created framebuffer. + * We'll only return non-null for window system framebuffers. + * Note that this function may fail. + */ +static INLINE struct st_framebuffer * +st_ws_framebuffer(struct gl_framebuffer *fb) +{ + /* FBO cannot be casted. See st_new_framebuffer */ + return (struct st_framebuffer *) ((fb && !fb->Name) ? fb : NULL); +} + +/** + * Map an attachment to a buffer index. + */ +static INLINE gl_buffer_index +attachment_to_buffer_index(enum st_attachment_type statt) +{ + gl_buffer_index index; + + switch (statt) { + case ST_ATTACHMENT_FRONT_LEFT: + index = BUFFER_FRONT_LEFT; + break; + case ST_ATTACHMENT_BACK_LEFT: + index = BUFFER_BACK_LEFT; + break; + case ST_ATTACHMENT_FRONT_RIGHT: + index = BUFFER_FRONT_RIGHT; + break; + case ST_ATTACHMENT_BACK_RIGHT: + index = BUFFER_BACK_RIGHT; + break; + case ST_ATTACHMENT_DEPTH_STENCIL: + index = BUFFER_DEPTH; + break; + case ST_ATTACHMENT_ACCUM: + index = BUFFER_ACCUM; + break; + case ST_ATTACHMENT_SAMPLE: + default: + index = BUFFER_COUNT; + break; + } + + return index; +} + +/** + * Map a buffer index to an attachment. + */ +static INLINE enum st_attachment_type +buffer_index_to_attachment(gl_buffer_index index) +{ + enum st_attachment_type statt; + + switch (index) { + case BUFFER_FRONT_LEFT: + statt = ST_ATTACHMENT_FRONT_LEFT; + break; + case BUFFER_BACK_LEFT: + statt = ST_ATTACHMENT_BACK_LEFT; + break; + case BUFFER_FRONT_RIGHT: + statt = ST_ATTACHMENT_FRONT_RIGHT; + break; + case BUFFER_BACK_RIGHT: + statt = ST_ATTACHMENT_BACK_RIGHT; + break; + case BUFFER_DEPTH: + statt = ST_ATTACHMENT_DEPTH_STENCIL; + break; + case BUFFER_ACCUM: + statt = ST_ATTACHMENT_ACCUM; + break; + default: + statt = ST_ATTACHMENT_INVALID; + break; + } + + return statt; +} + +/** + * Validate a framebuffer to make sure up-to-date pipe_textures are used. + */ +static void +st_framebuffer_validate(struct st_framebuffer *stfb, struct st_context *st) +{ + struct pipe_context *pipe = st->pipe; + struct pipe_resource *textures[ST_ATTACHMENT_COUNT]; + uint width, height; + unsigned i; + boolean changed = FALSE; + + if (!p_atomic_read(&stfb->revalidate)) + return; + + /* validate the fb */ + if (!stfb->iface->validate(stfb->iface, stfb->statts, stfb->num_statts, textures)) + return; + + width = stfb->Base.Width; + height = stfb->Base.Height; + + for (i = 0; i < stfb->num_statts; i++) { + struct st_renderbuffer *strb; + struct pipe_surface *ps, surf_tmpl; + gl_buffer_index idx; + + if (!textures[i]) + continue; + + idx = attachment_to_buffer_index(stfb->statts[i]); + if (idx >= BUFFER_COUNT) { + pipe_resource_reference(&textures[i], NULL); + continue; + } + + strb = st_renderbuffer(stfb->Base.Attachment[idx].Renderbuffer); + assert(strb); + if (strb->texture == textures[i]) { + pipe_resource_reference(&textures[i], NULL); + continue; + } + + memset(&surf_tmpl, 0, sizeof(surf_tmpl)); + u_surface_default_template(&surf_tmpl, textures[i], + PIPE_BIND_RENDER_TARGET); + ps = pipe->create_surface(pipe, textures[i], &surf_tmpl); + if (ps) { + pipe_surface_reference(&strb->surface, ps); + pipe_resource_reference(&strb->texture, ps->texture); + /* ownership transfered */ + pipe_surface_reference(&ps, NULL); + + changed = TRUE; + + strb->Base.Width = strb->surface->width; + strb->Base.Height = strb->surface->height; + + width = strb->Base.Width; + height = strb->Base.Height; + } + + pipe_resource_reference(&textures[i], NULL); + } + + if (changed) { + st->dirty.st |= ST_NEW_FRAMEBUFFER; + _mesa_resize_framebuffer(st->ctx, &stfb->Base, width, height); + + assert(stfb->Base.Width == width); + assert(stfb->Base.Height == height); + } + + p_atomic_set(&stfb->revalidate, FALSE); +} + +/** + * Update the attachments to validate by looping the existing renderbuffers. + */ +static void +st_framebuffer_update_attachments(struct st_framebuffer *stfb) +{ + gl_buffer_index idx; + + stfb->num_statts = 0; + for (idx = 0; idx < BUFFER_COUNT; idx++) { + struct st_renderbuffer *strb; + enum st_attachment_type statt; + + strb = st_renderbuffer(stfb->Base.Attachment[idx].Renderbuffer); + if (!strb || strb->software) + continue; + + statt = buffer_index_to_attachment(idx); + if (statt != ST_ATTACHMENT_INVALID && + st_visual_have_buffers(stfb->iface->visual, 1 << statt)) + stfb->statts[stfb->num_statts++] = statt; + } + + p_atomic_set(&stfb->revalidate, TRUE); +} + +/** + * Add a renderbuffer to the framebuffer. + */ +static boolean +st_framebuffer_add_renderbuffer(struct st_framebuffer *stfb, + gl_buffer_index idx) +{ + struct gl_renderbuffer *rb; + enum pipe_format format; + int samples; + boolean sw; + + if (!stfb->iface) + return FALSE; + + /* do not distinguish depth/stencil buffers */ + if (idx == BUFFER_STENCIL) + idx = BUFFER_DEPTH; + + switch (idx) { + case BUFFER_DEPTH: + format = stfb->iface->visual->depth_stencil_format; + sw = FALSE; + break; + case BUFFER_ACCUM: + format = stfb->iface->visual->accum_format; + sw = TRUE; + break; + default: + format = stfb->iface->visual->color_format; + sw = FALSE; + break; + } + + if (format == PIPE_FORMAT_NONE) + return FALSE; + + samples = stfb->iface->visual->samples; + if (!samples) + samples = st_get_msaa(); + + rb = st_new_renderbuffer_fb(format, samples, sw); + if (!rb) + return FALSE; + + if (idx != BUFFER_DEPTH) { + _mesa_add_renderbuffer(&stfb->Base, idx, rb); + } + else { + if (util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 0)) + _mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, rb); + if (util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 1)) + _mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL, rb); + } + + return TRUE; +} + +/** + * Intialize a struct gl_config from a visual. + */ +static void +st_visual_to_context_mode(const struct st_visual *visual, + struct gl_config *mode) +{ + memset(mode, 0, sizeof(*mode)); + + if (st_visual_have_buffers(visual, ST_ATTACHMENT_BACK_LEFT_MASK)) + mode->doubleBufferMode = GL_TRUE; + if (st_visual_have_buffers(visual, + ST_ATTACHMENT_FRONT_RIGHT_MASK | ST_ATTACHMENT_BACK_RIGHT_MASK)) + mode->stereoMode = GL_TRUE; + + if (visual->color_format != PIPE_FORMAT_NONE) { + mode->rgbMode = GL_TRUE; + + mode->redBits = + util_format_get_component_bits(visual->color_format, + UTIL_FORMAT_COLORSPACE_RGB, 0); + mode->greenBits = + util_format_get_component_bits(visual->color_format, + UTIL_FORMAT_COLORSPACE_RGB, 1); + mode->blueBits = + util_format_get_component_bits(visual->color_format, + UTIL_FORMAT_COLORSPACE_RGB, 2); + mode->alphaBits = + util_format_get_component_bits(visual->color_format, + UTIL_FORMAT_COLORSPACE_RGB, 3); + + mode->rgbBits = mode->redBits + + mode->greenBits + mode->blueBits + mode->alphaBits; + } + + if (visual->depth_stencil_format != PIPE_FORMAT_NONE) { + mode->depthBits = + util_format_get_component_bits(visual->depth_stencil_format, + UTIL_FORMAT_COLORSPACE_ZS, 0); + mode->stencilBits = + util_format_get_component_bits(visual->depth_stencil_format, + UTIL_FORMAT_COLORSPACE_ZS, 1); + + mode->haveDepthBuffer = mode->depthBits > 0; + mode->haveStencilBuffer = mode->stencilBits > 0; + } + + if (visual->accum_format != PIPE_FORMAT_NONE) { + mode->haveAccumBuffer = GL_TRUE; + + mode->accumRedBits = + util_format_get_component_bits(visual->accum_format, + UTIL_FORMAT_COLORSPACE_RGB, 0); + mode->accumGreenBits = + util_format_get_component_bits(visual->accum_format, + UTIL_FORMAT_COLORSPACE_RGB, 1); + mode->accumBlueBits = + util_format_get_component_bits(visual->accum_format, + UTIL_FORMAT_COLORSPACE_RGB, 2); + mode->accumAlphaBits = + util_format_get_component_bits(visual->accum_format, + UTIL_FORMAT_COLORSPACE_RGB, 3); + } + + if (visual->samples) { + mode->sampleBuffers = 1; + mode->samples = visual->samples; + } +} + +/** + * Determine the default draw or read buffer from a visual. + */ +static void +st_visual_to_default_buffer(const struct st_visual *visual, + GLenum *buffer, GLint *index) +{ + enum st_attachment_type statt; + GLenum buf; + gl_buffer_index idx; + + statt = visual->render_buffer; + /* do nothing if an invalid render buffer is specified */ + if (statt == ST_ATTACHMENT_INVALID || + !st_visual_have_buffers(visual, 1 << statt)) + return; + + switch (statt) { + case ST_ATTACHMENT_FRONT_LEFT: + buf = GL_FRONT_LEFT; + idx = BUFFER_FRONT_LEFT; + break; + case ST_ATTACHMENT_BACK_LEFT: + buf = GL_BACK_LEFT; + idx = BUFFER_BACK_LEFT; + break; + case ST_ATTACHMENT_FRONT_RIGHT: + buf = GL_FRONT_RIGHT; + idx = BUFFER_FRONT_RIGHT; + break; + case ST_ATTACHMENT_BACK_RIGHT: + buf = GL_BACK_RIGHT; + idx = BUFFER_BACK_RIGHT; + break; + default: + buf = GL_NONE; + idx = BUFFER_COUNT; + break; + } + + if (buf != GL_NONE) { + if (buffer) + *buffer = buf; + if (index) + *index = idx; + } +} + +/** + * Create a framebuffer from a manager interface. + */ +static struct st_framebuffer * +st_framebuffer_create(struct st_framebuffer_iface *stfbi) +{ + struct st_framebuffer *stfb; + struct gl_config mode; + gl_buffer_index idx; + + stfb = CALLOC_STRUCT(st_framebuffer); + if (!stfb) + return NULL; + + /* for FBO-only context */ + if (!stfbi) { + struct gl_framebuffer *base = _mesa_get_incomplete_framebuffer(); + + stfb->Base = *base; + + return stfb; + } + + st_visual_to_context_mode(stfbi->visual, &mode); + _mesa_initialize_window_framebuffer(&stfb->Base, &mode); + + /* modify the draw/read buffers of the fb */ + st_visual_to_default_buffer(stfbi->visual, &stfb->Base.ColorDrawBuffer[0], + &stfb->Base._ColorDrawBufferIndexes[0]); + st_visual_to_default_buffer(stfbi->visual, &stfb->Base.ColorReadBuffer, + &stfb->Base._ColorReadBufferIndex); + + stfb->iface = stfbi; + + /* add the color buffer */ + idx = stfb->Base._ColorDrawBufferIndexes[0]; + if (!st_framebuffer_add_renderbuffer(stfb, idx)) { + FREE(stfb); + return NULL; + } + + st_framebuffer_add_renderbuffer(stfb, BUFFER_DEPTH); + st_framebuffer_add_renderbuffer(stfb, BUFFER_ACCUM); + + st_framebuffer_update_attachments(stfb); + + stfb->Base.Initialized = GL_TRUE; + + return stfb; +} + +/** + * Reference a framebuffer. + */ +static void +st_framebuffer_reference(struct st_framebuffer **ptr, + struct st_framebuffer *stfb) +{ + struct gl_framebuffer *fb = &stfb->Base; + _mesa_reference_framebuffer((struct gl_framebuffer **) ptr, fb); +} + +static void +st_context_notify_invalid_framebuffer(struct st_context_iface *stctxi, + struct st_framebuffer_iface *stfbi) +{ + struct st_context *st = (struct st_context *) stctxi; + struct st_framebuffer *stfb; + + /* either draw or read winsys fb */ + stfb = st_ws_framebuffer(st->ctx->WinSysDrawBuffer); + if (!stfb || stfb->iface != stfbi) + stfb = st_ws_framebuffer(st->ctx->WinSysReadBuffer); + + if (stfb && stfb->iface == stfbi) { + p_atomic_set(&stfb->revalidate, TRUE); + } + else { + /* This function is probably getting called when we've detected a + * change in a window's size but the currently bound context is + * not bound to that window. + * If the st_framebuffer_iface structure had a pointer to the + * corresponding st_framebuffer we'd be able to handle this. + */ + } +} + +static void +st_context_flush(struct st_context_iface *stctxi, unsigned flags, + struct pipe_fence_handle **fence) +{ + struct st_context *st = (struct st_context *) stctxi; + st_flush(st, flags, fence); + if (flags & PIPE_FLUSH_RENDER_CACHE) + st_manager_flush_frontbuffer(st); +} + +static boolean +st_context_teximage(struct st_context_iface *stctxi, enum st_texture_type target, + int level, enum pipe_format internal_format, + struct pipe_resource *tex, boolean mipmap) +{ + struct st_context *st = (struct st_context *) stctxi; + struct gl_context *ctx = st->ctx; + struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx); + struct gl_texture_object *texObj; + struct gl_texture_image *texImage; + struct st_texture_object *stObj; + struct st_texture_image *stImage; + GLenum internalFormat; + GLuint width, height, depth; + + switch (target) { + case ST_TEXTURE_1D: + target = GL_TEXTURE_1D; + break; + case ST_TEXTURE_2D: + target = GL_TEXTURE_2D; + break; + case ST_TEXTURE_3D: + target = GL_TEXTURE_3D; + break; + case ST_TEXTURE_RECT: + target = GL_TEXTURE_RECTANGLE_ARB; + break; + default: + return FALSE; + break; + } + + texObj = _mesa_select_tex_object(ctx, texUnit, target); + _mesa_lock_texture(ctx, texObj); + + stObj = st_texture_object(texObj); + /* switch to surface based */ + if (!stObj->surface_based) { + _mesa_clear_texture_object(ctx, texObj); + stObj->surface_based = GL_TRUE; + } + + texImage = _mesa_get_tex_image(ctx, texObj, target, level); + stImage = st_texture_image(texImage); + if (tex) { + gl_format texFormat; + + /* + * XXX When internal_format and tex->format differ, st_finalize_texture + * needs to allocate a new texture with internal_format and copy the + * texture here into the new one. It will result in surface_copy being + * called on surfaces whose formats differ. + * + * To avoid that, internal_format is (wrongly) ignored here. A sane fix + * is to use a sampler view. + */ + if (!st_sampler_compat_formats(tex->format, internal_format)) + internal_format = tex->format; + + if (util_format_get_component_bits(internal_format, + UTIL_FORMAT_COLORSPACE_RGB, 3) > 0) + internalFormat = GL_RGBA; + else + internalFormat = GL_RGB; + + texFormat = st_ChooseTextureFormat(ctx, internalFormat, + GL_RGBA, GL_UNSIGNED_BYTE); + + _mesa_init_teximage_fields(ctx, target, texImage, + tex->width0, tex->height0, 1, 0, + internalFormat, texFormat); + + width = tex->width0; + height = tex->height0; + depth = tex->depth0; + + /* grow the image size until we hit level = 0 */ + while (level > 0) { + if (width != 1) + width <<= 1; + if (height != 1) + height <<= 1; + if (depth != 1) + depth <<= 1; + level--; + } + } + else { + _mesa_clear_texture_image(ctx, texImage); + width = height = depth = 0; + } + + pipe_resource_reference(&stImage->pt, tex); + stObj->width0 = width; + stObj->height0 = height; + stObj->depth0 = depth; + + _mesa_dirty_texobj(ctx, texObj, GL_TRUE); + _mesa_unlock_texture(ctx, texObj); + + return TRUE; +} + +static void +st_context_copy(struct st_context_iface *stctxi, + struct st_context_iface *stsrci, unsigned mask) +{ + struct st_context *st = (struct st_context *) stctxi; + struct st_context *src = (struct st_context *) stsrci; + + _mesa_copy_context(src->ctx, st->ctx, mask); +} + +static boolean +st_context_share(struct st_context_iface *stctxi, + struct st_context_iface *stsrci) +{ + struct st_context *st = (struct st_context *) stctxi; + struct st_context *src = (struct st_context *) stsrci; + + return _mesa_share_state(st->ctx, src->ctx); +} + +static void +st_context_destroy(struct st_context_iface *stctxi) +{ + struct st_context *st = (struct st_context *) stctxi; + st_destroy_context(st); +} + +static struct st_context_iface * +st_api_create_context(struct st_api *stapi, struct st_manager *smapi, + const struct st_context_attribs *attribs, + struct st_context_iface *shared_stctxi) +{ + struct st_context *shared_ctx = (struct st_context *) shared_stctxi; + struct st_context *st; + struct pipe_context *pipe; + struct gl_config mode; + gl_api api; + + if (!(stapi->profile_mask & (1 << attribs->profile))) + return NULL; + + switch (attribs->profile) { + case ST_PROFILE_DEFAULT: + api = API_OPENGL; + break; + case ST_PROFILE_OPENGL_ES1: + api = API_OPENGLES; + break; + case ST_PROFILE_OPENGL_ES2: + api = API_OPENGLES2; + break; + case ST_PROFILE_OPENGL_CORE: + default: + return NULL; + break; + } + + pipe = smapi->screen->context_create(smapi->screen, NULL); + if (!pipe) + return NULL; + + st_visual_to_context_mode(&attribs->visual, &mode); + st = st_create_context(api, pipe, &mode, shared_ctx); + if (!st) { + pipe->destroy(pipe); + return NULL; + } + + /* need to perform version check */ + if (attribs->major > 1 || attribs->minor > 0) { + _mesa_compute_version(st->ctx); + + if (st->ctx->VersionMajor < attribs->major || + st->ctx->VersionMajor < attribs->minor) { + st_destroy_context(st); + return NULL; + } + } + + st->invalidate_on_gl_viewport = + smapi->get_param(smapi, ST_MANAGER_BROKEN_INVALIDATE); + + st->iface.destroy = st_context_destroy; + st->iface.notify_invalid_framebuffer = + st_context_notify_invalid_framebuffer; + st->iface.flush = st_context_flush; + st->iface.teximage = st_context_teximage; + st->iface.copy = st_context_copy; + st->iface.share = st_context_share; + st->iface.st_context_private = (void *) smapi; + + return &st->iface; +} + +static boolean +st_api_make_current(struct st_api *stapi, struct st_context_iface *stctxi, + struct st_framebuffer_iface *stdrawi, + struct st_framebuffer_iface *streadi) +{ + struct st_context *st = (struct st_context *) stctxi; + struct st_framebuffer *stdraw, *stread, *stfb; + boolean ret; + + _glapi_check_multithread(); + + if (st) { + /* reuse/create the draw fb */ + stfb = st_ws_framebuffer(st->ctx->WinSysDrawBuffer); + if (stfb && stfb->iface == stdrawi) { + stdraw = NULL; + st_framebuffer_reference(&stdraw, stfb); + } + else { + stdraw = st_framebuffer_create(stdrawi); + } + + /* reuse/create the read fb */ + stfb = st_ws_framebuffer(st->ctx->WinSysReadBuffer); + if (!stfb || stfb->iface != streadi) + stfb = stdraw; + if (stfb && stfb->iface == streadi) { + stread = NULL; + st_framebuffer_reference(&stread, stfb); + } + else { + stread = st_framebuffer_create(streadi); + } + + if (stdraw && stread) { + st_framebuffer_validate(stdraw, st); + if (stread != stdraw) + st_framebuffer_validate(stread, st); + + /* modify the draw/read buffers of the context */ + if (stdraw->iface) { + st_visual_to_default_buffer(stdraw->iface->visual, + &st->ctx->Color.DrawBuffer[0], NULL); + } + if (stread->iface) { + st_visual_to_default_buffer(stread->iface->visual, + &st->ctx->Pixel.ReadBuffer, NULL); + } + + ret = _mesa_make_current(st->ctx, &stdraw->Base, &stread->Base); + } + else { + ret = FALSE; + } + + st_framebuffer_reference(&stdraw, NULL); + st_framebuffer_reference(&stread, NULL); + } + else { + ret = _mesa_make_current(NULL, NULL, NULL); + } + + return ret; +} + +static struct st_context_iface * +st_api_get_current(struct st_api *stapi) +{ + GET_CURRENT_CONTEXT(ctx); + struct st_context *st = (ctx) ? ctx->st : NULL; + + return (st) ? &st->iface : NULL; +} + +static st_proc_t +st_api_get_proc_address(struct st_api *stapi, const char *procname) +{ + return (st_proc_t) _glapi_get_proc_address(procname); +} + +static void +st_api_destroy(struct st_api *stapi) +{ +} + +/** + * Flush the front buffer if the current context renders to the front buffer. + */ +void +st_manager_flush_frontbuffer(struct st_context *st) +{ + struct st_framebuffer *stfb = st_ws_framebuffer(st->ctx->DrawBuffer); + struct st_renderbuffer *strb = NULL; + + if (stfb) + strb = st_renderbuffer(stfb->Base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer); + if (!strb) + return; + + /* never a dummy fb */ + assert(stfb->iface); + stfb->iface->flush_front(stfb->iface, ST_ATTACHMENT_FRONT_LEFT); +} + +/** + * Return the surface of an EGLImage. + * FIXME: I think this should operate on resources, not surfaces + */ +struct pipe_surface * +st_manager_get_egl_image_surface(struct st_context *st, + void *eglimg, unsigned usage) +{ + struct st_manager *smapi = + (struct st_manager *) st->iface.st_context_private; + struct st_egl_image stimg; + struct pipe_surface *ps, surf_tmpl; + + if (!smapi || !smapi->get_egl_image) + return NULL; + + memset(&stimg, 0, sizeof(stimg)); + if (!smapi->get_egl_image(smapi, eglimg, &stimg)) + return NULL; + + memset(&surf_tmpl, 0, sizeof(surf_tmpl)); + surf_tmpl.format = stimg.texture->format; + surf_tmpl.usage = usage; + surf_tmpl.u.tex.level = stimg.level; + surf_tmpl.u.tex.first_layer = stimg.layer; + surf_tmpl.u.tex.last_layer = stimg.layer; + ps = st->pipe->create_surface(st->pipe, stimg.texture, &surf_tmpl); + pipe_resource_reference(&stimg.texture, NULL); + + return ps; +} + +/** + * Re-validate the framebuffers. + */ +void +st_manager_validate_framebuffers(struct st_context *st) +{ + struct st_framebuffer *stdraw = st_ws_framebuffer(st->ctx->DrawBuffer); + struct st_framebuffer *stread = st_ws_framebuffer(st->ctx->ReadBuffer); + + if (stdraw) + st_framebuffer_validate(stdraw, st); + if (stread && stread != stdraw) + st_framebuffer_validate(stread, st); +} + +/** + * Add a color renderbuffer on demand. + */ +boolean +st_manager_add_color_renderbuffer(struct st_context *st, struct gl_framebuffer *fb, + gl_buffer_index idx) +{ + struct st_framebuffer *stfb = st_ws_framebuffer(fb); + + /* FBO */ + if (!stfb) + return FALSE; + + if (stfb->Base.Attachment[idx].Renderbuffer) + return TRUE; + + switch (idx) { + case BUFFER_FRONT_LEFT: + case BUFFER_BACK_LEFT: + case BUFFER_FRONT_RIGHT: + case BUFFER_BACK_RIGHT: + break; + default: + return FALSE; + break; + } + + if (!st_framebuffer_add_renderbuffer(stfb, idx)) + return FALSE; + + st_framebuffer_update_attachments(stfb); + st_invalidate_state(st->ctx, _NEW_BUFFERS); + + return TRUE; +} + +static const struct st_api st_gl_api = { + "Mesa " MESA_VERSION_STRING, + ST_API_OPENGL, +#if FEATURE_GL + ST_PROFILE_DEFAULT_MASK | +#endif +#if FEATURE_ES1 + ST_PROFILE_OPENGL_ES1_MASK | +#endif +#if FEATURE_ES2 + ST_PROFILE_OPENGL_ES2_MASK | +#endif + 0, + st_api_destroy, + st_api_get_proc_address, + st_api_create_context, + st_api_make_current, + st_api_get_current, +}; + +struct st_api * +st_gl_api_create(void) +{ + return (struct st_api *) &st_gl_api; +} diff --git a/mesalib/src/mesa/state_tracker/st_manager.h b/mesalib/src/mesa/state_tracker/st_manager.h new file mode 100644 index 000000000..ffe394cc4 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_manager.h @@ -0,0 +1,52 @@ +/* + * Mesa 3-D graphics library + * Version: 7.9 + * + * Copyright (C) 2010 LunarG Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Chia-I Wu + */ + +#ifndef ST_MANAGER_H +#define ST_MANAGER_H + +#include "main/mtypes.h" + +#include "pipe/p_compiler.h" + +struct st_context; + +struct pipe_surface * +st_manager_get_egl_image_surface(struct st_context *st, + void *eglimg, unsigned usage); + +void +st_manager_flush_frontbuffer(struct st_context *st); + +void +st_manager_validate_framebuffers(struct st_context *st); + +boolean +st_manager_add_color_renderbuffer(struct st_context *st, struct gl_framebuffer *fb, + gl_buffer_index idx); + +#endif /* ST_MANAGER_H */ diff --git a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c new file mode 100644 index 000000000..1a64c503a --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.c @@ -0,0 +1,1206 @@ +/************************************************************************** + * + * Copyright 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/* + * \author + * Michal Krol, + * Keith Whitwell + */ + +#include "pipe/p_compiler.h" +#include "pipe/p_context.h" +#include "pipe/p_screen.h" +#include "pipe/p_shader_tokens.h" +#include "pipe/p_state.h" +#include "tgsi/tgsi_ureg.h" +#include "st_mesa_to_tgsi.h" +#include "st_context.h" +#include "program/prog_instruction.h" +#include "program/prog_parameter.h" +#include "util/u_debug.h" +#include "util/u_math.h" +#include "util/u_memory.h" + + +#define PROGRAM_ANY_CONST ((1 << PROGRAM_LOCAL_PARAM) | \ + (1 << PROGRAM_ENV_PARAM) | \ + (1 << PROGRAM_STATE_VAR) | \ + (1 << PROGRAM_NAMED_PARAM) | \ + (1 << PROGRAM_CONSTANT) | \ + (1 << PROGRAM_UNIFORM)) + + +struct label { + unsigned branch_target; + unsigned token; +}; + + +/** + * Intermediate state used during shader translation. + */ +struct st_translate { + struct ureg_program *ureg; + + struct ureg_dst temps[MAX_PROGRAM_TEMPS]; + struct ureg_src *constants; + struct ureg_dst outputs[PIPE_MAX_SHADER_OUTPUTS]; + struct ureg_src inputs[PIPE_MAX_SHADER_INPUTS]; + struct ureg_dst address[1]; + struct ureg_src samplers[PIPE_MAX_SAMPLERS]; + + /* Extra info for handling point size clamping in vertex shader */ + struct ureg_dst pointSizeResult; /**< Actual point size output register */ + struct ureg_src pointSizeConst; /**< Point size range constant register */ + GLint pointSizeOutIndex; /**< Temp point size output register */ + GLboolean prevInstWrotePointSize; + + const GLuint *inputMapping; + const GLuint *outputMapping; + + /* For every instruction that contains a label (eg CALL), keep + * details so that we can go back afterwards and emit the correct + * tgsi instruction number for each label. + */ + struct label *labels; + unsigned labels_size; + unsigned labels_count; + + /* Keep a record of the tgsi instruction number that each mesa + * instruction starts at, will be used to fix up labels after + * translation. + */ + unsigned *insn; + unsigned insn_size; + unsigned insn_count; + + unsigned procType; /**< TGSI_PROCESSOR_VERTEX/FRAGMENT */ + + boolean error; +}; + + +/** + * Make note of a branch to a label in the TGSI code. + * After we've emitted all instructions, we'll go over the list + * of labels built here and patch the TGSI code with the actual + * location of each label. + */ +static unsigned *get_label( struct st_translate *t, + unsigned branch_target ) +{ + unsigned i; + + if (t->labels_count + 1 >= t->labels_size) { + unsigned old_size = t->labels_size; + t->labels_size = 1 << (util_logbase2(t->labels_size) + 1); + t->labels = REALLOC( t->labels, + old_size * sizeof t->labels[0], + t->labels_size * sizeof t->labels[0] ); + if (t->labels == NULL) { + static unsigned dummy; + t->error = TRUE; + return &dummy; + } + } + + i = t->labels_count++; + t->labels[i].branch_target = branch_target; + return &t->labels[i].token; +} + + +/** + * Called prior to emitting the TGSI code for each Mesa instruction. + * Allocate additional space for instructions if needed. + * Update the insn[] array so the next Mesa instruction points to + * the next TGSI instruction. + */ +static void set_insn_start( struct st_translate *t, + unsigned start ) +{ + if (t->insn_count + 1 >= t->insn_size) { + unsigned old_size = t->insn_size; + t->insn_size = 1 << (util_logbase2(t->insn_size) + 1); + t->insn = REALLOC( t->insn, + old_size * sizeof t->insn[0], + t->insn_size * sizeof t->insn[0] ); + if (t->insn == NULL) { + t->error = TRUE; + return; + } + } + + t->insn[t->insn_count++] = start; +} + + +/** + * Map a Mesa dst register to a TGSI ureg_dst register. + */ +static struct ureg_dst +dst_register( struct st_translate *t, + gl_register_file file, + GLuint index ) +{ + switch( file ) { + case PROGRAM_UNDEFINED: + return ureg_dst_undef(); + + case PROGRAM_TEMPORARY: + if (ureg_dst_is_undef(t->temps[index])) + t->temps[index] = ureg_DECL_temporary( t->ureg ); + + return t->temps[index]; + + case PROGRAM_OUTPUT: + if (t->procType == TGSI_PROCESSOR_VERTEX && index == VERT_RESULT_PSIZ) + t->prevInstWrotePointSize = GL_TRUE; + + if (t->procType == TGSI_PROCESSOR_VERTEX) + assert(index < VERT_RESULT_MAX); + else if (t->procType == TGSI_PROCESSOR_FRAGMENT) + assert(index < FRAG_RESULT_MAX); + else + assert(index < GEOM_RESULT_MAX); + + assert(t->outputMapping[index] < Elements(t->outputs)); + + return t->outputs[t->outputMapping[index]]; + + case PROGRAM_ADDRESS: + return t->address[index]; + + default: + debug_assert( 0 ); + return ureg_dst_undef(); + } +} + + +/** + * Map a Mesa src register to a TGSI ureg_src register. + */ +static struct ureg_src +src_register( struct st_translate *t, + gl_register_file file, + GLint index ) +{ + switch( file ) { + case PROGRAM_UNDEFINED: + return ureg_src_undef(); + + case PROGRAM_TEMPORARY: + assert(index >= 0); + if (ureg_dst_is_undef(t->temps[index])) + t->temps[index] = ureg_DECL_temporary( t->ureg ); + assert(index < Elements(t->temps)); + return ureg_src(t->temps[index]); + + case PROGRAM_NAMED_PARAM: + case PROGRAM_ENV_PARAM: + case PROGRAM_LOCAL_PARAM: + case PROGRAM_UNIFORM: + assert(index >= 0); + return t->constants[index]; + case PROGRAM_STATE_VAR: + case PROGRAM_CONSTANT: /* ie, immediate */ + if (index < 0) + return ureg_DECL_constant( t->ureg, 0 ); + else + return t->constants[index]; + + case PROGRAM_INPUT: + assert(t->inputMapping[index] < Elements(t->inputs)); + return t->inputs[t->inputMapping[index]]; + + case PROGRAM_OUTPUT: + assert(t->outputMapping[index] < Elements(t->outputs)); + return ureg_src(t->outputs[t->outputMapping[index]]); /* not needed? */ + + case PROGRAM_ADDRESS: + return ureg_src(t->address[index]); + + default: + debug_assert( 0 ); + return ureg_src_undef(); + } +} + + +/** + * Map mesa texture target to TGSI texture target. + */ +static unsigned +translate_texture_target( GLuint textarget, + GLboolean shadow ) +{ + if (shadow) { + switch( textarget ) { + case TEXTURE_1D_INDEX: return TGSI_TEXTURE_SHADOW1D; + case TEXTURE_2D_INDEX: return TGSI_TEXTURE_SHADOW2D; + case TEXTURE_RECT_INDEX: return TGSI_TEXTURE_SHADOWRECT; + default: break; + } + } + + switch( textarget ) { + case TEXTURE_1D_INDEX: return TGSI_TEXTURE_1D; + case TEXTURE_2D_INDEX: return TGSI_TEXTURE_2D; + case TEXTURE_3D_INDEX: return TGSI_TEXTURE_3D; + case TEXTURE_CUBE_INDEX: return TGSI_TEXTURE_CUBE; + case TEXTURE_RECT_INDEX: return TGSI_TEXTURE_RECT; + default: + debug_assert( 0 ); + return TGSI_TEXTURE_1D; + } +} + + +/** + * Create a TGSI ureg_dst register from a Mesa dest register. + */ +static struct ureg_dst +translate_dst( struct st_translate *t, + const struct prog_dst_register *DstReg, + boolean saturate ) +{ + struct ureg_dst dst = dst_register( t, + DstReg->File, + DstReg->Index ); + + dst = ureg_writemask( dst, + DstReg->WriteMask ); + + if (saturate) + dst = ureg_saturate( dst ); + + if (DstReg->RelAddr) + dst = ureg_dst_indirect( dst, ureg_src(t->address[0]) ); + + return dst; +} + + +/** + * Create a TGSI ureg_src register from a Mesa src register. + */ +static struct ureg_src +translate_src( struct st_translate *t, + const struct prog_src_register *SrcReg ) +{ + struct ureg_src src = src_register( t, SrcReg->File, SrcReg->Index ); + + if (t->procType == TGSI_PROCESSOR_GEOMETRY && SrcReg->HasIndex2) { + src = src_register( t, SrcReg->File, SrcReg->Index2 ); + if (SrcReg->RelAddr2) + src = ureg_src_dimension_indirect( src, ureg_src(t->address[0]), + SrcReg->Index); + else + src = ureg_src_dimension( src, SrcReg->Index); + } + + src = ureg_swizzle( src, + GET_SWZ( SrcReg->Swizzle, 0 ) & 0x3, + GET_SWZ( SrcReg->Swizzle, 1 ) & 0x3, + GET_SWZ( SrcReg->Swizzle, 2 ) & 0x3, + GET_SWZ( SrcReg->Swizzle, 3 ) & 0x3); + + if (SrcReg->Negate == NEGATE_XYZW) + src = ureg_negate(src); + + if (SrcReg->Abs) + src = ureg_abs(src); + + if (SrcReg->RelAddr) { + src = ureg_src_indirect( src, ureg_src(t->address[0])); + if (SrcReg->File != PROGRAM_INPUT && + SrcReg->File != PROGRAM_OUTPUT) { + /* If SrcReg->Index was negative, it was set to zero in + * src_register(). Reassign it now. But don't do this + * for input/output regs since they get remapped while + * const buffers don't. + */ + src.Index = SrcReg->Index; + } + } + + return src; +} + + +static struct ureg_src swizzle_4v( struct ureg_src src, + const unsigned *swz ) +{ + return ureg_swizzle( src, swz[0], swz[1], swz[2], swz[3] ); +} + + +/** + * Translate a SWZ instruction into a MOV, MUL or MAD instruction. EG: + * + * SWZ dst, src.x-y10 + * + * becomes: + * + * MAD dst {1,-1,0,0}, src.xyxx, {0,0,1,0} + */ +static void emit_swz( struct st_translate *t, + struct ureg_dst dst, + const struct prog_src_register *SrcReg ) +{ + struct ureg_program *ureg = t->ureg; + struct ureg_src src = src_register( t, SrcReg->File, SrcReg->Index ); + + unsigned negate_mask = SrcReg->Negate; + + unsigned one_mask = ((GET_SWZ(SrcReg->Swizzle, 0) == SWIZZLE_ONE) << 0 | + (GET_SWZ(SrcReg->Swizzle, 1) == SWIZZLE_ONE) << 1 | + (GET_SWZ(SrcReg->Swizzle, 2) == SWIZZLE_ONE) << 2 | + (GET_SWZ(SrcReg->Swizzle, 3) == SWIZZLE_ONE) << 3); + + unsigned zero_mask = ((GET_SWZ(SrcReg->Swizzle, 0) == SWIZZLE_ZERO) << 0 | + (GET_SWZ(SrcReg->Swizzle, 1) == SWIZZLE_ZERO) << 1 | + (GET_SWZ(SrcReg->Swizzle, 2) == SWIZZLE_ZERO) << 2 | + (GET_SWZ(SrcReg->Swizzle, 3) == SWIZZLE_ZERO) << 3); + + unsigned negative_one_mask = one_mask & negate_mask; + unsigned positive_one_mask = one_mask & ~negate_mask; + + struct ureg_src imm; + unsigned i; + unsigned mul_swizzle[4] = {0,0,0,0}; + unsigned add_swizzle[4] = {0,0,0,0}; + unsigned src_swizzle[4] = {0,0,0,0}; + boolean need_add = FALSE; + boolean need_mul = FALSE; + + if (dst.WriteMask == 0) + return; + + /* Is this just a MOV? + */ + if (zero_mask == 0 && + one_mask == 0 && + (negate_mask == 0 || negate_mask == TGSI_WRITEMASK_XYZW)) + { + ureg_MOV( ureg, dst, translate_src( t, SrcReg )); + return; + } + +#define IMM_ZERO 0 +#define IMM_ONE 1 +#define IMM_NEG_ONE 2 + + imm = ureg_imm3f( ureg, 0, 1, -1 ); + + for (i = 0; i < 4; i++) { + unsigned bit = 1 << i; + + if (dst.WriteMask & bit) { + if (positive_one_mask & bit) { + mul_swizzle[i] = IMM_ZERO; + add_swizzle[i] = IMM_ONE; + need_add = TRUE; + } + else if (negative_one_mask & bit) { + mul_swizzle[i] = IMM_ZERO; + add_swizzle[i] = IMM_NEG_ONE; + need_add = TRUE; + } + else if (zero_mask & bit) { + mul_swizzle[i] = IMM_ZERO; + add_swizzle[i] = IMM_ZERO; + need_add = TRUE; + } + else { + add_swizzle[i] = IMM_ZERO; + src_swizzle[i] = GET_SWZ(SrcReg->Swizzle, i); + need_mul = TRUE; + if (negate_mask & bit) { + mul_swizzle[i] = IMM_NEG_ONE; + } + else { + mul_swizzle[i] = IMM_ONE; + } + } + } + } + + if (need_mul && need_add) { + ureg_MAD( ureg, + dst, + swizzle_4v( src, src_swizzle ), + swizzle_4v( imm, mul_swizzle ), + swizzle_4v( imm, add_swizzle ) ); + } + else if (need_mul) { + ureg_MUL( ureg, + dst, + swizzle_4v( src, src_swizzle ), + swizzle_4v( imm, mul_swizzle ) ); + } + else if (need_add) { + ureg_MOV( ureg, + dst, + swizzle_4v( imm, add_swizzle ) ); + } + else { + debug_assert(0); + } + +#undef IMM_ZERO +#undef IMM_ONE +#undef IMM_NEG_ONE +} + + +/** + * Negate the value of DDY to match GL semantics where (0,0) is the + * lower-left corner of the window. + * Note that the GL_ARB_fragment_coord_conventions extension will + * effect this someday. + */ +static void emit_ddy( struct st_translate *t, + struct ureg_dst dst, + const struct prog_src_register *SrcReg ) +{ + struct ureg_program *ureg = t->ureg; + struct ureg_src src = translate_src( t, SrcReg ); + src = ureg_negate( src ); + ureg_DDY( ureg, dst, src ); +} + + + +static unsigned +translate_opcode( unsigned op ) +{ + switch( op ) { + case OPCODE_ARL: + return TGSI_OPCODE_ARL; + case OPCODE_ABS: + return TGSI_OPCODE_ABS; + case OPCODE_ADD: + return TGSI_OPCODE_ADD; + case OPCODE_BGNLOOP: + return TGSI_OPCODE_BGNLOOP; + case OPCODE_BGNSUB: + return TGSI_OPCODE_BGNSUB; + case OPCODE_BRA: + return TGSI_OPCODE_BRA; + case OPCODE_BRK: + return TGSI_OPCODE_BRK; + case OPCODE_CAL: + return TGSI_OPCODE_CAL; + case OPCODE_CMP: + return TGSI_OPCODE_CMP; + case OPCODE_CONT: + return TGSI_OPCODE_CONT; + case OPCODE_COS: + return TGSI_OPCODE_COS; + case OPCODE_DDX: + return TGSI_OPCODE_DDX; + case OPCODE_DDY: + return TGSI_OPCODE_DDY; + case OPCODE_DP2: + return TGSI_OPCODE_DP2; + case OPCODE_DP2A: + return TGSI_OPCODE_DP2A; + case OPCODE_DP3: + return TGSI_OPCODE_DP3; + case OPCODE_DP4: + return TGSI_OPCODE_DP4; + case OPCODE_DPH: + return TGSI_OPCODE_DPH; + case OPCODE_DST: + return TGSI_OPCODE_DST; + case OPCODE_ELSE: + return TGSI_OPCODE_ELSE; + case OPCODE_EMIT_VERTEX: + return TGSI_OPCODE_EMIT; + case OPCODE_END_PRIMITIVE: + return TGSI_OPCODE_ENDPRIM; + case OPCODE_ENDIF: + return TGSI_OPCODE_ENDIF; + case OPCODE_ENDLOOP: + return TGSI_OPCODE_ENDLOOP; + case OPCODE_ENDSUB: + return TGSI_OPCODE_ENDSUB; + case OPCODE_EX2: + return TGSI_OPCODE_EX2; + case OPCODE_EXP: + return TGSI_OPCODE_EXP; + case OPCODE_FLR: + return TGSI_OPCODE_FLR; + case OPCODE_FRC: + return TGSI_OPCODE_FRC; + case OPCODE_IF: + return TGSI_OPCODE_IF; + case OPCODE_TRUNC: + return TGSI_OPCODE_TRUNC; + case OPCODE_KIL: + return TGSI_OPCODE_KIL; + case OPCODE_KIL_NV: + return TGSI_OPCODE_KILP; + case OPCODE_LG2: + return TGSI_OPCODE_LG2; + case OPCODE_LOG: + return TGSI_OPCODE_LOG; + case OPCODE_LIT: + return TGSI_OPCODE_LIT; + case OPCODE_LRP: + return TGSI_OPCODE_LRP; + case OPCODE_MAD: + return TGSI_OPCODE_MAD; + case OPCODE_MAX: + return TGSI_OPCODE_MAX; + case OPCODE_MIN: + return TGSI_OPCODE_MIN; + case OPCODE_MOV: + return TGSI_OPCODE_MOV; + case OPCODE_MUL: + return TGSI_OPCODE_MUL; + case OPCODE_NOP: + return TGSI_OPCODE_NOP; + case OPCODE_NRM3: + return TGSI_OPCODE_NRM; + case OPCODE_NRM4: + return TGSI_OPCODE_NRM4; + case OPCODE_POW: + return TGSI_OPCODE_POW; + case OPCODE_RCP: + return TGSI_OPCODE_RCP; + case OPCODE_RET: + return TGSI_OPCODE_RET; + case OPCODE_RSQ: + return TGSI_OPCODE_RSQ; + case OPCODE_SCS: + return TGSI_OPCODE_SCS; + case OPCODE_SEQ: + return TGSI_OPCODE_SEQ; + case OPCODE_SGE: + return TGSI_OPCODE_SGE; + case OPCODE_SGT: + return TGSI_OPCODE_SGT; + case OPCODE_SIN: + return TGSI_OPCODE_SIN; + case OPCODE_SLE: + return TGSI_OPCODE_SLE; + case OPCODE_SLT: + return TGSI_OPCODE_SLT; + case OPCODE_SNE: + return TGSI_OPCODE_SNE; + case OPCODE_SSG: + return TGSI_OPCODE_SSG; + case OPCODE_SUB: + return TGSI_OPCODE_SUB; + case OPCODE_TEX: + return TGSI_OPCODE_TEX; + case OPCODE_TXB: + return TGSI_OPCODE_TXB; + case OPCODE_TXD: + return TGSI_OPCODE_TXD; + case OPCODE_TXL: + return TGSI_OPCODE_TXL; + case OPCODE_TXP: + return TGSI_OPCODE_TXP; + case OPCODE_XPD: + return TGSI_OPCODE_XPD; + case OPCODE_END: + return TGSI_OPCODE_END; + default: + debug_assert( 0 ); + return TGSI_OPCODE_NOP; + } +} + + +static void +compile_instruction( + struct st_translate *t, + const struct prog_instruction *inst ) +{ + struct ureg_program *ureg = t->ureg; + GLuint i; + struct ureg_dst dst[1]; + struct ureg_src src[4]; + unsigned num_dst; + unsigned num_src; + + num_dst = _mesa_num_inst_dst_regs( inst->Opcode ); + num_src = _mesa_num_inst_src_regs( inst->Opcode ); + + if (num_dst) + dst[0] = translate_dst( t, + &inst->DstReg, + inst->SaturateMode ); + + for (i = 0; i < num_src; i++) + src[i] = translate_src( t, &inst->SrcReg[i] ); + + switch( inst->Opcode ) { + case OPCODE_SWZ: + emit_swz( t, dst[0], &inst->SrcReg[0] ); + return; + + case OPCODE_BGNLOOP: + case OPCODE_CAL: + case OPCODE_ELSE: + case OPCODE_ENDLOOP: + case OPCODE_IF: + debug_assert(num_dst == 0); + ureg_label_insn( ureg, + translate_opcode( inst->Opcode ), + src, num_src, + get_label( t, inst->BranchTarget )); + return; + + case OPCODE_TEX: + case OPCODE_TXB: + case OPCODE_TXD: + case OPCODE_TXL: + case OPCODE_TXP: + src[num_src++] = t->samplers[inst->TexSrcUnit]; + ureg_tex_insn( ureg, + translate_opcode( inst->Opcode ), + dst, num_dst, + translate_texture_target( inst->TexSrcTarget, + inst->TexShadow ), + src, num_src ); + return; + + case OPCODE_SCS: + dst[0] = ureg_writemask(dst[0], TGSI_WRITEMASK_XY ); + ureg_insn( ureg, + translate_opcode( inst->Opcode ), + dst, num_dst, + src, num_src ); + break; + + case OPCODE_XPD: + dst[0] = ureg_writemask(dst[0], TGSI_WRITEMASK_XYZ ); + ureg_insn( ureg, + translate_opcode( inst->Opcode ), + dst, num_dst, + src, num_src ); + break; + + case OPCODE_NOISE1: + case OPCODE_NOISE2: + case OPCODE_NOISE3: + case OPCODE_NOISE4: + /* At some point, a motivated person could add a better + * implementation of noise. Currently not even the nvidia + * binary drivers do anything more than this. In any case, the + * place to do this is in the GL state tracker, not the poor + * driver. + */ + ureg_MOV( ureg, dst[0], ureg_imm1f(ureg, 0.5) ); + break; + + case OPCODE_DDY: + emit_ddy( t, dst[0], &inst->SrcReg[0] ); + break; + + default: + ureg_insn( ureg, + translate_opcode( inst->Opcode ), + dst, num_dst, + src, num_src ); + break; + } +} + + +/** + * Emit the TGSI instructions to adjust the WPOS pixel center convention + */ +static void +emit_adjusted_wpos( struct st_translate *t, + const struct gl_program *program, GLfloat value) +{ + struct ureg_program *ureg = t->ureg; + struct ureg_dst wpos_temp = ureg_DECL_temporary(ureg); + struct ureg_src wpos_input = t->inputs[t->inputMapping[FRAG_ATTRIB_WPOS]]; + + /* Note that we bias X and Y and pass Z and W through unchanged. + * The shader might also use gl_FragCoord.w and .z. + */ + ureg_ADD(ureg, wpos_temp, wpos_input, + ureg_imm4f(ureg, value, value, 0.0f, 0.0f)); + + t->inputs[t->inputMapping[FRAG_ATTRIB_WPOS]] = ureg_src(wpos_temp); +} + + +/** + * Emit the TGSI instructions for inverting the WPOS y coordinate. + * This code is unavoidable because it also depends on whether + * a FBO is bound (STATE_FB_WPOS_Y_TRANSFORM). + */ +static void +emit_wpos_inversion( struct st_translate *t, + const struct gl_program *program, + boolean invert) +{ + struct ureg_program *ureg = t->ureg; + + /* Fragment program uses fragment position input. + * Need to replace instances of INPUT[WPOS] with temp T + * where T = INPUT[WPOS] by y is inverted. + */ + static const gl_state_index wposTransformState[STATE_LENGTH] + = { STATE_INTERNAL, STATE_FB_WPOS_Y_TRANSFORM, 0, 0, 0 }; + + /* XXX: note we are modifying the incoming shader here! Need to + * do this before emitting the constant decls below, or this + * will be missed: + */ + unsigned wposTransConst = _mesa_add_state_reference(program->Parameters, + wposTransformState); + + struct ureg_src wpostrans = ureg_DECL_constant( ureg, wposTransConst ); + struct ureg_dst wpos_temp; + struct ureg_src wpos_input = t->inputs[t->inputMapping[FRAG_ATTRIB_WPOS]]; + + /* MOV wpos_temp, input[wpos] + */ + if (wpos_input.File == TGSI_FILE_TEMPORARY) + wpos_temp = ureg_dst(wpos_input); + else { + wpos_temp = ureg_DECL_temporary( ureg ); + ureg_MOV( ureg, wpos_temp, wpos_input ); + } + + if (invert) { + /* MAD wpos_temp.y, wpos_input, wpostrans.xxxx, wpostrans.yyyy + */ + ureg_MAD( ureg, + ureg_writemask(wpos_temp, TGSI_WRITEMASK_Y ), + wpos_input, + ureg_scalar(wpostrans, 0), + ureg_scalar(wpostrans, 1)); + } else { + /* MAD wpos_temp.y, wpos_input, wpostrans.zzzz, wpostrans.wwww + */ + ureg_MAD( ureg, + ureg_writemask(wpos_temp, TGSI_WRITEMASK_Y ), + wpos_input, + ureg_scalar(wpostrans, 2), + ureg_scalar(wpostrans, 3)); + } + + /* Use wpos_temp as position input from here on: + */ + t->inputs[t->inputMapping[FRAG_ATTRIB_WPOS]] = ureg_src(wpos_temp); +} + + +/** + * Emit fragment position/ooordinate code. + */ +static void +emit_wpos(struct st_context *st, + struct st_translate *t, + const struct gl_program *program, + struct ureg_program *ureg) +{ + const struct gl_fragment_program *fp = + (const struct gl_fragment_program *) program; + struct pipe_screen *pscreen = st->pipe->screen; + boolean invert = FALSE; + + if (fp->OriginUpperLeft) { + if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT)) { + } + else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT)) { + ureg_property_fs_coord_origin(ureg, TGSI_FS_COORD_ORIGIN_LOWER_LEFT); + invert = TRUE; + } + else + assert(0); + } + else { + if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT)) + ureg_property_fs_coord_origin(ureg, TGSI_FS_COORD_ORIGIN_LOWER_LEFT); + else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT)) + invert = TRUE; + else + assert(0); + } + + if (fp->PixelCenterInteger) { + if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER)) + ureg_property_fs_coord_pixel_center(ureg, TGSI_FS_COORD_PIXEL_CENTER_INTEGER); + else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER)) + emit_adjusted_wpos(t, program, invert ? 0.5f : -0.5f); + else + assert(0); + } + else { + if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER)) { + } + else if (pscreen->get_param(pscreen, PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER)) { + ureg_property_fs_coord_pixel_center(ureg, TGSI_FS_COORD_PIXEL_CENTER_INTEGER); + emit_adjusted_wpos(t, program, invert ? -0.5f : 0.5f); + } + else + assert(0); + } + + /* we invert after adjustment so that we avoid the MOV to temporary, + * and reuse the adjustment ADD instead */ + emit_wpos_inversion(t, program, invert); +} + + +/** + * OpenGL's fragment gl_FrontFace input is 1 for front-facing, 0 for back. + * TGSI uses +1 for front, -1 for back. + * This function converts the TGSI value to the GL value. Simply clamping/ + * saturating the value to [0,1] does the job. + */ +static void +emit_face_var( struct st_translate *t, + const struct gl_program *program ) +{ + struct ureg_program *ureg = t->ureg; + struct ureg_dst face_temp = ureg_DECL_temporary( ureg ); + struct ureg_src face_input = t->inputs[t->inputMapping[FRAG_ATTRIB_FACE]]; + + /* MOV_SAT face_temp, input[face] + */ + face_temp = ureg_saturate( face_temp ); + ureg_MOV( ureg, face_temp, face_input ); + + /* Use face_temp as face input from here on: + */ + t->inputs[t->inputMapping[FRAG_ATTRIB_FACE]] = ureg_src(face_temp); +} + + +static void +emit_edgeflags( struct st_translate *t, + const struct gl_program *program ) +{ + struct ureg_program *ureg = t->ureg; + struct ureg_dst edge_dst = t->outputs[t->outputMapping[VERT_RESULT_EDGE]]; + struct ureg_src edge_src = t->inputs[t->inputMapping[VERT_ATTRIB_EDGEFLAG]]; + + ureg_MOV( ureg, edge_dst, edge_src ); +} + + +/** + * Translate Mesa program to TGSI format. + * \param program the program to translate + * \param numInputs number of input registers used + * \param inputMapping maps Mesa fragment program inputs to TGSI generic + * input indexes + * \param inputSemanticName the TGSI_SEMANTIC flag for each input + * \param inputSemanticIndex the semantic index (ex: which texcoord) for + * each input + * \param interpMode the TGSI_INTERPOLATE_LINEAR/PERSP mode for each input + * \param numOutputs number of output registers used + * \param outputMapping maps Mesa fragment program outputs to TGSI + * generic outputs + * \param outputSemanticName the TGSI_SEMANTIC flag for each output + * \param outputSemanticIndex the semantic index (ex: which texcoord) for + * each output + * + * \return PIPE_OK or PIPE_ERROR_OUT_OF_MEMORY + */ +enum pipe_error +st_translate_mesa_program( + struct gl_context *ctx, + uint procType, + struct ureg_program *ureg, + const struct gl_program *program, + GLuint numInputs, + const GLuint inputMapping[], + const ubyte inputSemanticName[], + const ubyte inputSemanticIndex[], + const GLuint interpMode[], + GLuint numOutputs, + const GLuint outputMapping[], + const ubyte outputSemanticName[], + const ubyte outputSemanticIndex[], + boolean passthrough_edgeflags ) +{ + struct st_translate translate, *t; + unsigned i; + enum pipe_error ret = PIPE_OK; + + assert(numInputs <= Elements(t->inputs)); + assert(numOutputs <= Elements(t->outputs)); + + t = &translate; + memset(t, 0, sizeof *t); + + t->procType = procType; + t->inputMapping = inputMapping; + t->outputMapping = outputMapping; + t->ureg = ureg; + t->pointSizeOutIndex = -1; + t->prevInstWrotePointSize = GL_FALSE; + + /*_mesa_print_program(program);*/ + + /* + * Declare input attributes. + */ + if (procType == TGSI_PROCESSOR_FRAGMENT) { + for (i = 0; i < numInputs; i++) { + if (program->InputFlags[0] & PROG_PARAM_BIT_CYL_WRAP) { + t->inputs[i] = ureg_DECL_fs_input_cyl(ureg, + inputSemanticName[i], + inputSemanticIndex[i], + interpMode[i], + TGSI_CYLINDRICAL_WRAP_X); + } + else { + t->inputs[i] = ureg_DECL_fs_input(ureg, + inputSemanticName[i], + inputSemanticIndex[i], + interpMode[i]); + } + } + + if (program->InputsRead & FRAG_BIT_WPOS) { + /* Must do this after setting up t->inputs, and before + * emitting constant references, below: + */ + emit_wpos(st_context(ctx), t, program, ureg); + } + + if (program->InputsRead & FRAG_BIT_FACE) { + emit_face_var( t, program ); + } + + /* + * Declare output attributes. + */ + for (i = 0; i < numOutputs; i++) { + switch (outputSemanticName[i]) { + case TGSI_SEMANTIC_POSITION: + t->outputs[i] = ureg_DECL_output( ureg, + TGSI_SEMANTIC_POSITION, /* Z / Depth */ + outputSemanticIndex[i] ); + + t->outputs[i] = ureg_writemask( t->outputs[i], + TGSI_WRITEMASK_Z ); + break; + case TGSI_SEMANTIC_STENCIL: + t->outputs[i] = ureg_DECL_output( ureg, + TGSI_SEMANTIC_STENCIL, /* Stencil */ + outputSemanticIndex[i] ); + t->outputs[i] = ureg_writemask( t->outputs[i], + TGSI_WRITEMASK_Y ); + break; + case TGSI_SEMANTIC_COLOR: + t->outputs[i] = ureg_DECL_output( ureg, + TGSI_SEMANTIC_COLOR, + outputSemanticIndex[i] ); + break; + default: + debug_assert(0); + return 0; + } + } + } + else if (procType == TGSI_PROCESSOR_GEOMETRY) { + for (i = 0; i < numInputs; i++) { + t->inputs[i] = ureg_DECL_gs_input(ureg, + i, + inputSemanticName[i], + inputSemanticIndex[i]); + } + + for (i = 0; i < numOutputs; i++) { + t->outputs[i] = ureg_DECL_output( ureg, + outputSemanticName[i], + outputSemanticIndex[i] ); + } + } + else { + assert(procType == TGSI_PROCESSOR_VERTEX); + + for (i = 0; i < numInputs; i++) { + t->inputs[i] = ureg_DECL_vs_input(ureg, i); + } + + for (i = 0; i < numOutputs; i++) { + t->outputs[i] = ureg_DECL_output( ureg, + outputSemanticName[i], + outputSemanticIndex[i] ); + if ((outputSemanticName[i] == TGSI_SEMANTIC_PSIZE) && program->Id) { + /* Writing to the point size result register requires special + * handling to implement clamping. + */ + static const gl_state_index pointSizeClampState[STATE_LENGTH] + = { STATE_INTERNAL, STATE_POINT_SIZE_IMPL_CLAMP, 0, 0, 0 }; + /* XXX: note we are modifying the incoming shader here! Need to + * do this before emitting the constant decls below, or this + * will be missed: + */ + unsigned pointSizeClampConst = + _mesa_add_state_reference(program->Parameters, + pointSizeClampState); + struct ureg_dst psizregtemp = ureg_DECL_temporary( ureg ); + t->pointSizeConst = ureg_DECL_constant( ureg, pointSizeClampConst ); + t->pointSizeResult = t->outputs[i]; + t->pointSizeOutIndex = i; + t->outputs[i] = psizregtemp; + } + } + if (passthrough_edgeflags) + emit_edgeflags( t, program ); + } + + /* Declare address register. + */ + if (program->NumAddressRegs > 0) { + debug_assert( program->NumAddressRegs == 1 ); + t->address[0] = ureg_DECL_address( ureg ); + } + + if (program->IndirectRegisterFiles & (1 << PROGRAM_TEMPORARY)) { + /* If temps are accessed with indirect addressing, declare temporaries + * in sequential order. Else, we declare them on demand elsewhere. + */ + for (i = 0; i < program->NumTemporaries; i++) { + /* XXX use TGSI_FILE_TEMPORARY_ARRAY when it's supported by ureg */ + t->temps[i] = ureg_DECL_temporary( t->ureg ); + } + } + + /* Emit constants and immediates. Mesa uses a single index space + * for these, so we put all the translated regs in t->constants. + */ + if (program->Parameters) { + t->constants = CALLOC( program->Parameters->NumParameters, + sizeof t->constants[0] ); + if (t->constants == NULL) { + ret = PIPE_ERROR_OUT_OF_MEMORY; + goto out; + } + + for (i = 0; i < program->Parameters->NumParameters; i++) { + switch (program->Parameters->Parameters[i].Type) { + case PROGRAM_ENV_PARAM: + case PROGRAM_LOCAL_PARAM: + case PROGRAM_STATE_VAR: + case PROGRAM_NAMED_PARAM: + case PROGRAM_UNIFORM: + t->constants[i] = ureg_DECL_constant( ureg, i ); + break; + + /* Emit immediates only when there's no indirect addressing of + * the const buffer. + * FIXME: Be smarter and recognize param arrays: + * indirect addressing is only valid within the referenced + * array. + */ + case PROGRAM_CONSTANT: + if (program->IndirectRegisterFiles & PROGRAM_ANY_CONST) + t->constants[i] = ureg_DECL_constant( ureg, i ); + else + t->constants[i] = + ureg_DECL_immediate( ureg, + program->Parameters->ParameterValues[i], + 4 ); + break; + default: + break; + } + } + } + + /* texture samplers */ + for (i = 0; i < ctx->Const.MaxTextureImageUnits; i++) { + if (program->SamplersUsed & (1 << i)) { + t->samplers[i] = ureg_DECL_sampler( ureg, i ); + } + } + + /* Emit each instruction in turn: + */ + for (i = 0; i < program->NumInstructions; i++) { + set_insn_start( t, ureg_get_instruction_number( ureg )); + compile_instruction( t, &program->Instructions[i] ); + + if (t->prevInstWrotePointSize && program->Id) { + /* The previous instruction wrote to the (fake) vertex point size + * result register. Now we need to clamp that value to the min/max + * point size range, putting the result into the real point size + * register. + * Note that we can't do this easily at the end of program due to + * possible early return. + */ + set_insn_start( t, ureg_get_instruction_number( ureg )); + ureg_MAX( t->ureg, + ureg_writemask(t->outputs[t->pointSizeOutIndex], WRITEMASK_X), + ureg_src(t->outputs[t->pointSizeOutIndex]), + ureg_swizzle(t->pointSizeConst, 1,1,1,1)); + ureg_MIN( t->ureg, ureg_writemask(t->pointSizeResult, WRITEMASK_X), + ureg_src(t->outputs[t->pointSizeOutIndex]), + ureg_swizzle(t->pointSizeConst, 2,2,2,2)); + } + t->prevInstWrotePointSize = GL_FALSE; + } + + /* Fix up all emitted labels: + */ + for (i = 0; i < t->labels_count; i++) { + ureg_fixup_label( ureg, + t->labels[i].token, + t->insn[t->labels[i].branch_target] ); + } + +out: + FREE(t->insn); + FREE(t->labels); + FREE(t->constants); + + if (t->error) { + debug_printf("%s: translate error flag set\n", __FUNCTION__); + } + + return ret; +} + + +/** + * Tokens cannot be free with free otherwise the builtin gallium + * malloc debugging will get confused. + */ +void +st_free_tokens(const struct tgsi_token *tokens) +{ + FREE((void *)tokens); +} diff --git a/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.h b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.h new file mode 100644 index 000000000..aa42fc0cc --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_mesa_to_tgsi.h @@ -0,0 +1,73 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef ST_MESA_TO_TGSI_H +#define ST_MESA_TO_TGSI_H + +#if defined __cplusplus +extern "C" { +#endif + +#include "main/glheader.h" + +#include "pipe/p_compiler.h" +#include "pipe/p_defines.h" + +struct gl_context; +struct gl_program; +struct tgsi_token; +struct ureg_program; + + +enum pipe_error +st_translate_mesa_program( + struct gl_context *ctx, + uint procType, + struct ureg_program *ureg, + const struct gl_program *program, + GLuint numInputs, + const GLuint inputMapping[], + const ubyte inputSemanticName[], + const ubyte inputSemanticIndex[], + const GLuint interpMode[], + GLuint numOutputs, + const GLuint outputMapping[], + const ubyte outputSemanticName[], + const ubyte outputSemanticIndex[], + boolean passthrough_edgeflags ); + +void +st_free_tokens(const struct tgsi_token *tokens); + + +#if defined __cplusplus +} /* extern "C" */ +#endif + +#endif /* ST_MESA_TO_TGSI_H */ + diff --git a/mesalib/src/mesa/state_tracker/st_program.c b/mesalib/src/mesa/state_tracker/st_program.c new file mode 100644 index 000000000..59165be04 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_program.c @@ -0,0 +1,1151 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + /* + * Authors: + * Keith Whitwell + * Brian Paul + */ + + +#include "main/imports.h" +#include "main/hash.h" +#include "main/mtypes.h" +#include "program/prog_parameter.h" +#include "program/prog_print.h" +#include "program/programopt.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_shader_tokens.h" +#include "draw/draw_context.h" +#include "tgsi/tgsi_dump.h" +#include "tgsi/tgsi_ureg.h" + +#include "st_debug.h" +#include "st_cb_bitmap.h" +#include "st_cb_drawpixels.h" +#include "st_context.h" +#include "st_program.h" +#include "st_mesa_to_tgsi.h" +#include "cso_cache/cso_context.h" + + + +/** + * Delete a vertex program variant. Note the caller must unlink + * the variant from the linked list. + */ +static void +delete_vp_variant(struct st_context *st, struct st_vp_variant *vpv) +{ + if (vpv->driver_shader) + cso_delete_vertex_shader(st->cso_context, vpv->driver_shader); + +#if FEATURE_feedback || FEATURE_rastpos + if (vpv->draw_shader) + draw_delete_vertex_shader( st->draw, vpv->draw_shader ); +#endif + + if (vpv->tgsi.tokens) + st_free_tokens(vpv->tgsi.tokens); + + FREE( vpv ); +} + + + +/** + * Clean out any old compilations: + */ +void +st_release_vp_variants( struct st_context *st, + struct st_vertex_program *stvp ) +{ + struct st_vp_variant *vpv; + + for (vpv = stvp->variants; vpv; ) { + struct st_vp_variant *next = vpv->next; + delete_vp_variant(st, vpv); + vpv = next; + } + + stvp->variants = NULL; +} + + + +/** + * Delete a fragment program variant. Note the caller must unlink + * the variant from the linked list. + */ +static void +delete_fp_variant(struct st_context *st, struct st_fp_variant *fpv) +{ + if (fpv->driver_shader) + cso_delete_fragment_shader(st->cso_context, fpv->driver_shader); + + FREE(fpv); +} + + +/** + * Free all variants of a fragment program. + */ +void +st_release_fp_variants(struct st_context *st, struct st_fragment_program *stfp) +{ + struct st_fp_variant *fpv; + + for (fpv = stfp->variants; fpv; ) { + struct st_fp_variant *next = fpv->next; + delete_fp_variant(st, fpv); + fpv = next; + } + + stfp->variants = NULL; +} + + +/** + * Delete a geometry program variant. Note the caller must unlink + * the variant from the linked list. + */ +static void +delete_gp_variant(struct st_context *st, struct st_gp_variant *gpv) +{ + if (gpv->driver_shader) + cso_delete_geometry_shader(st->cso_context, gpv->driver_shader); + + FREE(gpv); +} + + +/** + * Free all variants of a geometry program. + */ +void +st_release_gp_variants(struct st_context *st, struct st_geometry_program *stgp) +{ + struct st_gp_variant *gpv; + + for (gpv = stgp->variants; gpv; ) { + struct st_gp_variant *next = gpv->next; + delete_gp_variant(st, gpv); + gpv = next; + } + + stgp->variants = NULL; +} + + + + +/** + * Translate a Mesa vertex shader into a TGSI shader. + * \param outputMapping to map vertex program output registers (VERT_RESULT_x) + * to TGSI output slots + * \param tokensOut destination for TGSI tokens + * \return pointer to cached pipe_shader object. + */ +static void +st_prepare_vertex_program(struct st_context *st, + struct st_vertex_program *stvp) +{ + GLuint attr; + + stvp->num_inputs = 0; + stvp->num_outputs = 0; + + if (stvp->Base.IsPositionInvariant) + _mesa_insert_mvp_code(st->ctx, &stvp->Base); + + assert(stvp->Base.Base.NumInstructions > 1); + + /* + * Determine number of inputs, the mappings between VERT_ATTRIB_x + * and TGSI generic input indexes, plus input attrib semantic info. + */ + for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) { + if (stvp->Base.Base.InputsRead & (1 << attr)) { + stvp->input_to_index[attr] = stvp->num_inputs; + stvp->index_to_input[stvp->num_inputs] = attr; + stvp->num_inputs++; + } + } + /* bit of a hack, presetup potentially unused edgeflag input */ + stvp->input_to_index[VERT_ATTRIB_EDGEFLAG] = stvp->num_inputs; + stvp->index_to_input[stvp->num_inputs] = VERT_ATTRIB_EDGEFLAG; + + /* Compute mapping of vertex program outputs to slots. + */ + for (attr = 0; attr < VERT_RESULT_MAX; attr++) { + if ((stvp->Base.Base.OutputsWritten & BITFIELD64_BIT(attr)) == 0) { + stvp->result_to_output[attr] = ~0; + } + else { + unsigned slot = stvp->num_outputs++; + + stvp->result_to_output[attr] = slot; + + switch (attr) { + case VERT_RESULT_HPOS: + stvp->output_semantic_name[slot] = TGSI_SEMANTIC_POSITION; + stvp->output_semantic_index[slot] = 0; + break; + case VERT_RESULT_COL0: + stvp->output_semantic_name[slot] = TGSI_SEMANTIC_COLOR; + stvp->output_semantic_index[slot] = 0; + break; + case VERT_RESULT_COL1: + stvp->output_semantic_name[slot] = TGSI_SEMANTIC_COLOR; + stvp->output_semantic_index[slot] = 1; + break; + case VERT_RESULT_BFC0: + stvp->output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR; + stvp->output_semantic_index[slot] = 0; + break; + case VERT_RESULT_BFC1: + stvp->output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR; + stvp->output_semantic_index[slot] = 1; + break; + case VERT_RESULT_FOGC: + stvp->output_semantic_name[slot] = TGSI_SEMANTIC_FOG; + stvp->output_semantic_index[slot] = 0; + break; + case VERT_RESULT_PSIZ: + stvp->output_semantic_name[slot] = TGSI_SEMANTIC_PSIZE; + stvp->output_semantic_index[slot] = 0; + break; + case VERT_RESULT_EDGE: + assert(0); + break; + + case VERT_RESULT_TEX0: + case VERT_RESULT_TEX1: + case VERT_RESULT_TEX2: + case VERT_RESULT_TEX3: + case VERT_RESULT_TEX4: + case VERT_RESULT_TEX5: + case VERT_RESULT_TEX6: + case VERT_RESULT_TEX7: + stvp->output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; + stvp->output_semantic_index[slot] = attr - VERT_RESULT_TEX0; + break; + + case VERT_RESULT_VAR0: + default: + assert(attr < VERT_RESULT_MAX); + stvp->output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; + stvp->output_semantic_index[slot] = (FRAG_ATTRIB_VAR0 - + FRAG_ATTRIB_TEX0 + + attr - + VERT_RESULT_VAR0); + break; + } + } + } + /* similar hack to above, presetup potentially unused edgeflag output */ + stvp->result_to_output[VERT_RESULT_EDGE] = stvp->num_outputs; + stvp->output_semantic_name[stvp->num_outputs] = TGSI_SEMANTIC_EDGEFLAG; + stvp->output_semantic_index[stvp->num_outputs] = 0; +} + + +/** + * Translate a vertex program to create a new variant. + */ +static struct st_vp_variant * +st_translate_vertex_program(struct st_context *st, + struct st_vertex_program *stvp, + const struct st_vp_variant_key *key) +{ + struct st_vp_variant *vpv = CALLOC_STRUCT(st_vp_variant); + struct pipe_context *pipe = st->pipe; + struct ureg_program *ureg; + enum pipe_error error; + unsigned num_outputs; + + st_prepare_vertex_program( st, stvp ); + + _mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_OUTPUT); + _mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_VARYING); + + ureg = ureg_create( TGSI_PROCESSOR_VERTEX ); + if (ureg == NULL) { + FREE(vpv); + return NULL; + } + + vpv->key = *key; + + vpv->num_inputs = stvp->num_inputs; + num_outputs = stvp->num_outputs; + if (key->passthrough_edgeflags) { + vpv->num_inputs++; + num_outputs++; + } + + if (ST_DEBUG & DEBUG_MESA) { + _mesa_print_program(&stvp->Base.Base); + _mesa_print_program_parameters(st->ctx, &stvp->Base.Base); + debug_printf("\n"); + } + + error = st_translate_mesa_program(st->ctx, + TGSI_PROCESSOR_VERTEX, + ureg, + &stvp->Base.Base, + /* inputs */ + vpv->num_inputs, + stvp->input_to_index, + NULL, /* input semantic name */ + NULL, /* input semantic index */ + NULL, + /* outputs */ + num_outputs, + stvp->result_to_output, + stvp->output_semantic_name, + stvp->output_semantic_index, + key->passthrough_edgeflags ); + + if (error) + goto fail; + + vpv->tgsi.tokens = ureg_get_tokens( ureg, NULL ); + if (!vpv->tgsi.tokens) + goto fail; + + ureg_destroy( ureg ); + + vpv->driver_shader = pipe->create_vs_state(pipe, &vpv->tgsi); + + if (ST_DEBUG & DEBUG_TGSI) { + tgsi_dump( vpv->tgsi.tokens, 0 ); + debug_printf("\n"); + } + + return vpv; + +fail: + debug_printf("%s: failed to translate Mesa program:\n", __FUNCTION__); + _mesa_print_program(&stvp->Base.Base); + debug_assert(0); + + ureg_destroy( ureg ); + return NULL; +} + + +/** + * Find/create a vertex program variant. + */ +struct st_vp_variant * +st_get_vp_variant(struct st_context *st, + struct st_vertex_program *stvp, + const struct st_vp_variant_key *key) +{ + struct st_vp_variant *vpv; + + /* Search for existing variant */ + for (vpv = stvp->variants; vpv; vpv = vpv->next) { + if (memcmp(&vpv->key, key, sizeof(*key)) == 0) { + break; + } + } + + if (!vpv) { + /* create now */ + vpv = st_translate_vertex_program(st, stvp, key); + if (vpv) { + /* insert into list */ + vpv->next = stvp->variants; + stvp->variants = vpv; + } + } + + return vpv; +} + + +/** + * Translate a Mesa fragment shader into a TGSI shader using extra info in + * the key. + * \return new fragment program variant + */ +static struct st_fp_variant * +st_translate_fragment_program(struct st_context *st, + struct st_fragment_program *stfp, + const struct st_fp_variant_key *key) +{ + struct pipe_context *pipe = st->pipe; + struct st_fp_variant *variant = CALLOC_STRUCT(st_fp_variant); + + if (!variant) + return NULL; + + assert(!(key->bitmap && key->drawpixels)); + + if (key->bitmap) { + /* glBitmap drawing */ + struct gl_fragment_program *fp; + + st_make_bitmap_fragment_program(st, &stfp->Base, + &fp, &variant->bitmap_sampler); + + variant->parameters = _mesa_clone_parameter_list(fp->Base.Parameters); + stfp = st_fragment_program(fp); + } + else if (key->drawpixels) { + /* glDrawPixels drawing */ + struct gl_fragment_program *fp; + + if (key->drawpixels_z || key->drawpixels_stencil) { + fp = st_make_drawpix_z_stencil_program(st, key->drawpixels_z, + key->drawpixels_stencil); + } + else { + /* RGBA */ + st_make_drawpix_fragment_program(st, &stfp->Base, &fp); + variant->parameters = _mesa_clone_parameter_list(fp->Base.Parameters); + } + stfp = st_fragment_program(fp); + } + + if (!stfp->tgsi.tokens) { + /* need to translate Mesa instructions to TGSI now */ + GLuint outputMapping[FRAG_RESULT_MAX]; + GLuint inputMapping[FRAG_ATTRIB_MAX]; + GLuint interpMode[PIPE_MAX_SHADER_INPUTS]; /* XXX size? */ + GLuint attr; + enum pipe_error error; + const GLbitfield inputsRead = stfp->Base.Base.InputsRead; + struct ureg_program *ureg; + GLboolean write_all = GL_FALSE; + + ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS]; + ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS]; + uint fs_num_inputs = 0; + + ubyte fs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS]; + ubyte fs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS]; + uint fs_num_outputs = 0; + + + _mesa_remove_output_reads(&stfp->Base.Base, PROGRAM_OUTPUT); + + /* + * Convert Mesa program inputs to TGSI input register semantics. + */ + for (attr = 0; attr < FRAG_ATTRIB_MAX; attr++) { + if (inputsRead & (1 << attr)) { + const GLuint slot = fs_num_inputs++; + + inputMapping[attr] = slot; + + switch (attr) { + case FRAG_ATTRIB_WPOS: + input_semantic_name[slot] = TGSI_SEMANTIC_POSITION; + input_semantic_index[slot] = 0; + interpMode[slot] = TGSI_INTERPOLATE_LINEAR; + break; + case FRAG_ATTRIB_COL0: + input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; + input_semantic_index[slot] = 0; + interpMode[slot] = TGSI_INTERPOLATE_LINEAR; + break; + case FRAG_ATTRIB_COL1: + input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; + input_semantic_index[slot] = 1; + interpMode[slot] = TGSI_INTERPOLATE_LINEAR; + break; + case FRAG_ATTRIB_FOGC: + input_semantic_name[slot] = TGSI_SEMANTIC_FOG; + input_semantic_index[slot] = 0; + interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; + break; + case FRAG_ATTRIB_FACE: + input_semantic_name[slot] = TGSI_SEMANTIC_FACE; + input_semantic_index[slot] = 0; + interpMode[slot] = TGSI_INTERPOLATE_CONSTANT; + break; + /* In most cases, there is nothing special about these + * inputs, so adopt a convention to use the generic + * semantic name and the mesa FRAG_ATTRIB_ number as the + * index. + * + * All that is required is that the vertex shader labels + * its own outputs similarly, and that the vertex shader + * generates at least every output required by the + * fragment shader plus fixed-function hardware (such as + * BFC). + * + * There is no requirement that semantic indexes start at + * zero or be restricted to a particular range -- nobody + * should be building tables based on semantic index. + */ + case FRAG_ATTRIB_PNTC: + case FRAG_ATTRIB_TEX0: + case FRAG_ATTRIB_TEX1: + case FRAG_ATTRIB_TEX2: + case FRAG_ATTRIB_TEX3: + case FRAG_ATTRIB_TEX4: + case FRAG_ATTRIB_TEX5: + case FRAG_ATTRIB_TEX6: + case FRAG_ATTRIB_TEX7: + case FRAG_ATTRIB_VAR0: + default: + /* Actually, let's try and zero-base this just for + * readability of the generated TGSI. + */ + assert(attr >= FRAG_ATTRIB_TEX0); + input_semantic_index[slot] = (attr - FRAG_ATTRIB_TEX0); + input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; + if (attr == FRAG_ATTRIB_PNTC) + interpMode[slot] = TGSI_INTERPOLATE_LINEAR; + else + interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; + break; + } + } + else { + inputMapping[attr] = -1; + } + } + + /* + * Semantics and mapping for outputs + */ + { + uint numColors = 0; + GLbitfield64 outputsWritten = stfp->Base.Base.OutputsWritten; + + /* if z is written, emit that first */ + if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) { + fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_POSITION; + fs_output_semantic_index[fs_num_outputs] = 0; + outputMapping[FRAG_RESULT_DEPTH] = fs_num_outputs; + fs_num_outputs++; + outputsWritten &= ~(1 << FRAG_RESULT_DEPTH); + } + + if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_STENCIL)) { + fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_STENCIL; + fs_output_semantic_index[fs_num_outputs] = 0; + outputMapping[FRAG_RESULT_STENCIL] = fs_num_outputs; + fs_num_outputs++; + outputsWritten &= ~(1 << FRAG_RESULT_STENCIL); + } + + /* handle remaning outputs (color) */ + for (attr = 0; attr < FRAG_RESULT_MAX; attr++) { + if (outputsWritten & BITFIELD64_BIT(attr)) { + switch (attr) { + case FRAG_RESULT_DEPTH: + case FRAG_RESULT_STENCIL: + /* handled above */ + assert(0); + break; + case FRAG_RESULT_COLOR: + write_all = GL_TRUE; /* fallthrough */ + default: + assert(attr == FRAG_RESULT_COLOR || + (FRAG_RESULT_DATA0 <= attr && attr < FRAG_RESULT_MAX)); + fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_COLOR; + fs_output_semantic_index[fs_num_outputs] = numColors; + outputMapping[attr] = fs_num_outputs; + numColors++; + break; + } + + fs_num_outputs++; + } + } + } + + ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT ); + if (ureg == NULL) + return NULL; + + if (ST_DEBUG & DEBUG_MESA) { + _mesa_print_program(&stfp->Base.Base); + _mesa_print_program_parameters(st->ctx, &stfp->Base.Base); + debug_printf("\n"); + } + if (write_all == GL_TRUE) + ureg_property_fs_color0_writes_all_cbufs(ureg, 1); + + error = st_translate_mesa_program(st->ctx, + TGSI_PROCESSOR_FRAGMENT, + ureg, + &stfp->Base.Base, + /* inputs */ + fs_num_inputs, + inputMapping, + input_semantic_name, + input_semantic_index, + interpMode, + /* outputs */ + fs_num_outputs, + outputMapping, + fs_output_semantic_name, + fs_output_semantic_index, FALSE ); + + stfp->tgsi.tokens = ureg_get_tokens( ureg, NULL ); + ureg_destroy( ureg ); + } + + /* fill in variant */ + variant->driver_shader = pipe->create_fs_state(pipe, &stfp->tgsi); + variant->key = *key; + + if (ST_DEBUG & DEBUG_TGSI) { + tgsi_dump( stfp->tgsi.tokens, 0/*TGSI_DUMP_VERBOSE*/ ); + debug_printf("\n"); + } + + return variant; +} + + +/** + * Translate fragment program if needed. + */ +struct st_fp_variant * +st_get_fp_variant(struct st_context *st, + struct st_fragment_program *stfp, + const struct st_fp_variant_key *key) +{ + struct st_fp_variant *fpv; + + /* Search for existing variant */ + for (fpv = stfp->variants; fpv; fpv = fpv->next) { + if (memcmp(&fpv->key, key, sizeof(*key)) == 0) { + break; + } + } + + if (!fpv) { + /* create new */ + fpv = st_translate_fragment_program(st, stfp, key); + if (fpv) { + /* insert into list */ + fpv->next = stfp->variants; + stfp->variants = fpv; + } + } + + return fpv; +} + + +/** + * Translate a geometry program to create a new variant. + */ +static struct st_gp_variant * +st_translate_geometry_program(struct st_context *st, + struct st_geometry_program *stgp, + const struct st_gp_variant_key *key) +{ + GLuint inputMapping[GEOM_ATTRIB_MAX]; + GLuint outputMapping[GEOM_RESULT_MAX]; + struct pipe_context *pipe = st->pipe; + enum pipe_error error; + GLuint attr; + const GLbitfield inputsRead = stgp->Base.Base.InputsRead; + GLuint vslot = 0; + GLuint num_generic = 0; + + uint gs_num_inputs = 0; + uint gs_builtin_inputs = 0; + uint gs_array_offset = 0; + + ubyte gs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS]; + ubyte gs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS]; + uint gs_num_outputs = 0; + + GLint i; + GLuint maxSlot = 0; + struct ureg_program *ureg; + + struct st_gp_variant *gpv; + + gpv = CALLOC_STRUCT(st_gp_variant); + if (!gpv) + return NULL; + + _mesa_remove_output_reads(&stgp->Base.Base, PROGRAM_OUTPUT); + _mesa_remove_output_reads(&stgp->Base.Base, PROGRAM_VARYING); + + ureg = ureg_create( TGSI_PROCESSOR_GEOMETRY ); + if (ureg == NULL) { + FREE(gpv); + return NULL; + } + + /* which vertex output goes to the first geometry input */ + vslot = 0; + + memset(inputMapping, 0, sizeof(inputMapping)); + memset(outputMapping, 0, sizeof(outputMapping)); + + /* + * Convert Mesa program inputs to TGSI input register semantics. + */ + for (attr = 0; attr < GEOM_ATTRIB_MAX; attr++) { + if (inputsRead & (1 << attr)) { + const GLuint slot = gs_num_inputs; + + gs_num_inputs++; + + inputMapping[attr] = slot; + + stgp->input_map[slot + gs_array_offset] = vslot - gs_builtin_inputs; + stgp->input_to_index[attr] = vslot; + stgp->index_to_input[vslot] = attr; + ++vslot; + + if (attr != GEOM_ATTRIB_PRIMITIVE_ID) { + gs_array_offset += 2; + } else + ++gs_builtin_inputs; + +#if 0 + debug_printf("input map at %d = %d\n", + slot + gs_array_offset, stgp->input_map[slot + gs_array_offset]); +#endif + + switch (attr) { + case GEOM_ATTRIB_PRIMITIVE_ID: + stgp->input_semantic_name[slot] = TGSI_SEMANTIC_PRIMID; + stgp->input_semantic_index[slot] = 0; + break; + case GEOM_ATTRIB_POSITION: + stgp->input_semantic_name[slot] = TGSI_SEMANTIC_POSITION; + stgp->input_semantic_index[slot] = 0; + break; + case GEOM_ATTRIB_COLOR0: + stgp->input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; + stgp->input_semantic_index[slot] = 0; + break; + case GEOM_ATTRIB_COLOR1: + stgp->input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; + stgp->input_semantic_index[slot] = 1; + break; + case GEOM_ATTRIB_FOG_FRAG_COORD: + stgp->input_semantic_name[slot] = TGSI_SEMANTIC_FOG; + stgp->input_semantic_index[slot] = 0; + break; + case GEOM_ATTRIB_TEX_COORD: + stgp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; + stgp->input_semantic_index[slot] = num_generic++; + break; + case GEOM_ATTRIB_VAR0: + /* fall-through */ + default: + stgp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; + stgp->input_semantic_index[slot] = num_generic++; + } + } + } + + /* initialize output semantics to defaults */ + for (i = 0; i < PIPE_MAX_SHADER_OUTPUTS; i++) { + gs_output_semantic_name[i] = TGSI_SEMANTIC_GENERIC; + gs_output_semantic_index[i] = 0; + } + + num_generic = 0; + /* + * Determine number of outputs, the (default) output register + * mapping and the semantic information for each output. + */ + for (attr = 0; attr < GEOM_RESULT_MAX; attr++) { + if (stgp->Base.Base.OutputsWritten & (1 << attr)) { + GLuint slot; + + slot = gs_num_outputs; + gs_num_outputs++; + outputMapping[attr] = slot; + + switch (attr) { + case GEOM_RESULT_POS: + assert(slot == 0); + gs_output_semantic_name[slot] = TGSI_SEMANTIC_POSITION; + gs_output_semantic_index[slot] = 0; + break; + case GEOM_RESULT_COL0: + gs_output_semantic_name[slot] = TGSI_SEMANTIC_COLOR; + gs_output_semantic_index[slot] = 0; + break; + case GEOM_RESULT_COL1: + gs_output_semantic_name[slot] = TGSI_SEMANTIC_COLOR; + gs_output_semantic_index[slot] = 1; + break; + case GEOM_RESULT_SCOL0: + gs_output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR; + gs_output_semantic_index[slot] = 0; + break; + case GEOM_RESULT_SCOL1: + gs_output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR; + gs_output_semantic_index[slot] = 1; + break; + case GEOM_RESULT_FOGC: + gs_output_semantic_name[slot] = TGSI_SEMANTIC_FOG; + gs_output_semantic_index[slot] = 0; + break; + case GEOM_RESULT_PSIZ: + gs_output_semantic_name[slot] = TGSI_SEMANTIC_PSIZE; + gs_output_semantic_index[slot] = 0; + break; + case GEOM_RESULT_TEX0: + case GEOM_RESULT_TEX1: + case GEOM_RESULT_TEX2: + case GEOM_RESULT_TEX3: + case GEOM_RESULT_TEX4: + case GEOM_RESULT_TEX5: + case GEOM_RESULT_TEX6: + case GEOM_RESULT_TEX7: + /* fall-through */ + case GEOM_RESULT_VAR0: + /* fall-through */ + default: + assert(slot < Elements(gs_output_semantic_name)); + /* use default semantic info */ + gs_output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; + gs_output_semantic_index[slot] = num_generic++; + } + } + } + + assert(gs_output_semantic_name[0] == TGSI_SEMANTIC_POSITION); + + /* find max output slot referenced to compute gs_num_outputs */ + for (attr = 0; attr < GEOM_RESULT_MAX; attr++) { + if (outputMapping[attr] != ~0 && outputMapping[attr] > maxSlot) + maxSlot = outputMapping[attr]; + } + gs_num_outputs = maxSlot + 1; + +#if 0 /* debug */ + { + GLuint i; + printf("outputMapping? %d\n", outputMapping ? 1 : 0); + if (outputMapping) { + printf("attr -> slot\n"); + for (i = 0; i < 16; i++) { + printf(" %2d %3d\n", i, outputMapping[i]); + } + } + printf("slot sem_name sem_index\n"); + for (i = 0; i < gs_num_outputs; i++) { + printf(" %2d %d %d\n", + i, + gs_output_semantic_name[i], + gs_output_semantic_index[i]); + } + } +#endif + + /* free old shader state, if any */ + if (stgp->tgsi.tokens) { + st_free_tokens(stgp->tgsi.tokens); + stgp->tgsi.tokens = NULL; + } + + ureg_property_gs_input_prim(ureg, stgp->Base.InputType); + ureg_property_gs_output_prim(ureg, stgp->Base.OutputType); + ureg_property_gs_max_vertices(ureg, stgp->Base.VerticesOut); + + error = st_translate_mesa_program(st->ctx, + TGSI_PROCESSOR_GEOMETRY, + ureg, + &stgp->Base.Base, + /* inputs */ + gs_num_inputs, + inputMapping, + stgp->input_semantic_name, + stgp->input_semantic_index, + NULL, + /* outputs */ + gs_num_outputs, + outputMapping, + gs_output_semantic_name, + gs_output_semantic_index, + FALSE); + + stgp->num_inputs = gs_num_inputs; + stgp->tgsi.tokens = ureg_get_tokens( ureg, NULL ); + ureg_destroy( ureg ); + + /* fill in new variant */ + gpv->driver_shader = pipe->create_gs_state(pipe, &stgp->tgsi); + gpv->key = *key; + + if ((ST_DEBUG & DEBUG_TGSI) && (ST_DEBUG & DEBUG_MESA)) { + _mesa_print_program(&stgp->Base.Base); + debug_printf("\n"); + } + + if (ST_DEBUG & DEBUG_TGSI) { + tgsi_dump(stgp->tgsi.tokens, 0); + debug_printf("\n"); + } + + return gpv; +} + + +/** + * Get/create geometry program variant. + */ +struct st_gp_variant * +st_get_gp_variant(struct st_context *st, + struct st_geometry_program *stgp, + const struct st_gp_variant_key *key) +{ + struct st_gp_variant *gpv; + + /* Search for existing variant */ + for (gpv = stgp->variants; gpv; gpv = gpv->next) { + if (memcmp(&gpv->key, key, sizeof(*key)) == 0) { + break; + } + } + + if (!gpv) { + /* create new */ + gpv = st_translate_geometry_program(st, stgp, key); + if (gpv) { + /* insert into list */ + gpv->next = stgp->variants; + stgp->variants = gpv; + } + } + + return gpv; +} + + + + +/** + * Debug- print current shader text + */ +void +st_print_shaders(struct gl_context *ctx) +{ + struct gl_shader_program *shProg[3] = { + ctx->Shader.CurrentVertexProgram, + ctx->Shader.CurrentGeometryProgram, + ctx->Shader.CurrentFragmentProgram, + }; + unsigned j; + + for (j = 0; j < 3; j++) { + unsigned i; + + if (shProg[j] == NULL) + continue; + + for (i = 0; i < shProg[j]->NumShaders; i++) { + struct gl_shader *sh; + + switch (shProg[j]->Shaders[i]->Type) { + case GL_VERTEX_SHADER: + sh = (i != 0) ? NULL : shProg[j]->Shaders[i]; + break; + case GL_GEOMETRY_SHADER_ARB: + sh = (i != 1) ? NULL : shProg[j]->Shaders[i]; + break; + case GL_FRAGMENT_SHADER: + sh = (i != 2) ? NULL : shProg[j]->Shaders[i]; + break; + default: + assert(0); + sh = NULL; + break; + } + + if (sh != NULL) { + printf("GLSL shader %u of %u:\n", i, shProg[j]->NumShaders); + printf("%s\n", sh->Source); + } + } + } +} + + +/** + * Vert/Geom/Frag programs have per-context variants. Free all the + * variants attached to the given program which match the given context. + */ +static void +destroy_program_variants(struct st_context *st, struct gl_program *program) +{ + if (!program) + return; + + switch (program->Target) { + case GL_VERTEX_PROGRAM_ARB: + { + struct st_vertex_program *stvp = (struct st_vertex_program *) program; + struct st_vp_variant *vpv, **prevPtr = &stvp->variants; + + for (vpv = stvp->variants; vpv; ) { + struct st_vp_variant *next = vpv->next; + if (vpv->key.st == st) { + /* unlink from list */ + *prevPtr = next; + /* destroy this variant */ + delete_vp_variant(st, vpv); + } + else { + prevPtr = &vpv->next; + } + vpv = next; + } + } + break; + case GL_FRAGMENT_PROGRAM_ARB: + { + struct st_fragment_program *stfp = + (struct st_fragment_program *) program; + struct st_fp_variant *fpv, **prevPtr = &stfp->variants; + + for (fpv = stfp->variants; fpv; ) { + struct st_fp_variant *next = fpv->next; + if (fpv->key.st == st) { + /* unlink from list */ + *prevPtr = next; + /* destroy this variant */ + delete_fp_variant(st, fpv); + } + else { + prevPtr = &fpv->next; + } + fpv = next; + } + } + break; + case MESA_GEOMETRY_PROGRAM: + { + struct st_geometry_program *stgp = + (struct st_geometry_program *) program; + struct st_gp_variant *gpv, **prevPtr = &stgp->variants; + + for (gpv = stgp->variants; gpv; ) { + struct st_gp_variant *next = gpv->next; + if (gpv->key.st == st) { + /* unlink from list */ + *prevPtr = next; + /* destroy this variant */ + delete_gp_variant(st, gpv); + } + else { + prevPtr = &gpv->next; + } + gpv = next; + } + } + break; + default: + _mesa_problem(NULL, "Unexpected program target in " + "destroy_program_variants_cb()"); + } +} + + +/** + * Callback for _mesa_HashWalk. Free all the shader's program variants + * which match the given context. + */ +static void +destroy_shader_program_variants_cb(GLuint key, void *data, void *userData) +{ + struct st_context *st = (struct st_context *) userData; + struct gl_shader *shader = (struct gl_shader *) data; + + switch (shader->Type) { + case GL_SHADER_PROGRAM_MESA: + { + struct gl_shader_program *shProg = (struct gl_shader_program *) data; + GLuint i; + + for (i = 0; i < shProg->NumShaders; i++) { + destroy_program_variants(st, shProg->Shaders[i]->Program); + } + + destroy_program_variants(st, (struct gl_program *) + shProg->VertexProgram); + destroy_program_variants(st, (struct gl_program *) + shProg->FragmentProgram); + destroy_program_variants(st, (struct gl_program *) + shProg->GeometryProgram); + } + break; + case GL_VERTEX_SHADER: + case GL_FRAGMENT_SHADER: + case GL_GEOMETRY_SHADER: + { + destroy_program_variants(st, shader->Program); + } + break; + default: + assert(0); + } +} + + +/** + * Callback for _mesa_HashWalk. Free all the program variants which match + * the given context. + */ +static void +destroy_program_variants_cb(GLuint key, void *data, void *userData) +{ + struct st_context *st = (struct st_context *) userData; + struct gl_program *program = (struct gl_program *) data; + destroy_program_variants(st, program); +} + + +/** + * Walk over all shaders and programs to delete any variants which + * belong to the given context. + * This is called during context tear-down. + */ +void +st_destroy_program_variants(struct st_context *st) +{ + /* ARB vert/frag program */ + _mesa_HashWalk(st->ctx->Shared->Programs, + destroy_program_variants_cb, st); + + /* GLSL vert/frag/geom shaders */ + _mesa_HashWalk(st->ctx->Shared->ShaderObjects, + destroy_shader_program_variants_cb, st); +} diff --git a/mesalib/src/mesa/state_tracker/st_program.h b/mesalib/src/mesa/state_tracker/st_program.h new file mode 100644 index 000000000..a240d4ef4 --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_program.h @@ -0,0 +1,300 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell + */ + + +#ifndef ST_PROGRAM_H +#define ST_PROGRAM_H + +#include "main/mtypes.h" +#include "program/program.h" +#include "pipe/p_state.h" +#include "st_context.h" + + +/** Fragment program variant key */ +struct st_fp_variant_key +{ + struct st_context *st; /**< variants are per-context */ + + /** for glBitmap */ + GLuint bitmap:1; /**< glBitmap variant? */ + + /** for glDrawPixels */ + GLuint drawpixels:1; /**< glDrawPixels variant */ + GLuint scaleAndBias:1; /**< glDrawPixels w/ scale and/or bias? */ + GLuint pixelMaps:1; /**< glDrawPixels w/ pixel lookup map? */ + GLuint drawpixels_z:1; /**< glDrawPixels(GL_DEPTH) */ + GLuint drawpixels_stencil:1; /**< glDrawPixels(GL_STENCIL) */ +}; + + +/** + * Variant of a fragment program. + */ +struct st_fp_variant +{ + /** Parameters which generated this version of fragment program */ + struct st_fp_variant_key key; + + /** Driver's compiled shader */ + void *driver_shader; + + /** For glBitmap variants */ + struct gl_program_parameter_list *parameters; + uint bitmap_sampler; + + /** next in linked list */ + struct st_fp_variant *next; +}; + + +/** + * Derived from Mesa gl_fragment_program: + */ +struct st_fragment_program +{ + struct gl_fragment_program Base; + + struct pipe_shader_state tgsi; + + struct st_fp_variant *variants; +}; + + + +/** Vertex program variant key */ +struct st_vp_variant_key +{ + struct st_context *st; /**< variants are per-context */ + boolean passthrough_edgeflags; +}; + + +/** + * This represents a vertex program, especially translated to match + * the inputs of a particular fragment shader. + */ +struct st_vp_variant +{ + /* Parameters which generated this translated version of a vertex + * shader: + */ + struct st_vp_variant_key key; + + /** + * TGSI tokens (to later generate a 'draw' module shader for + * selection/feedback/rasterpos) + */ + struct pipe_shader_state tgsi; + + /** Driver's compiled shader */ + void *driver_shader; + + /** For using our private draw module (glRasterPos) */ + struct draw_vertex_shader *draw_shader; + + /** Next in linked list */ + struct st_vp_variant *next; + + /** similar to that in st_vertex_program, but with edgeflags info too */ + GLuint num_inputs; +}; + + +/** + * Derived from Mesa gl_fragment_program: + */ +struct st_vertex_program +{ + struct gl_vertex_program Base; /**< The Mesa vertex program */ + + /** maps a Mesa VERT_ATTRIB_x to a packed TGSI input index */ + GLuint input_to_index[VERT_ATTRIB_MAX]; + /** maps a TGSI input index back to a Mesa VERT_ATTRIB_x */ + GLuint index_to_input[PIPE_MAX_SHADER_INPUTS]; + GLuint num_inputs; + + /** Maps VERT_RESULT_x to slot */ + GLuint result_to_output[VERT_RESULT_MAX]; + ubyte output_semantic_name[VERT_RESULT_MAX]; + ubyte output_semantic_index[VERT_RESULT_MAX]; + GLuint num_outputs; + + /** List of translated variants of this vertex program. + */ + struct st_vp_variant *variants; +}; + + + +/** Geometry program variant key */ +struct st_gp_variant_key +{ + struct st_context *st; /**< variants are per-context */ + /* no other fields yet */ +}; + + +/** + * Geometry program variant. + */ +struct st_gp_variant +{ + /* Parameters which generated this translated version of a vertex */ + struct st_gp_variant_key key; + + void *driver_shader; + + struct st_gp_variant *next; +}; + + +/** + * Derived from Mesa gl_geometry_program: + */ +struct st_geometry_program +{ + struct gl_geometry_program Base; /**< The Mesa geometry program */ + + /** map GP input back to VP output */ + GLuint input_map[PIPE_MAX_SHADER_INPUTS]; + + /** maps a Mesa GEOM_ATTRIB_x to a packed TGSI input index */ + GLuint input_to_index[GEOM_ATTRIB_MAX]; + /** maps a TGSI input index back to a Mesa GEOM_ATTRIB_x */ + GLuint index_to_input[PIPE_MAX_SHADER_INPUTS]; + + GLuint num_inputs; + + GLuint input_to_slot[GEOM_ATTRIB_MAX]; /**< Maps GEOM_ATTRIB_x to slot */ + GLuint num_input_slots; + + ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS]; + ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS]; + + struct pipe_shader_state tgsi; + + struct st_gp_variant *variants; +}; + + + +static INLINE struct st_fragment_program * +st_fragment_program( struct gl_fragment_program *fp ) +{ + return (struct st_fragment_program *)fp; +} + + +static INLINE struct st_vertex_program * +st_vertex_program( struct gl_vertex_program *vp ) +{ + return (struct st_vertex_program *)vp; +} + +static INLINE struct st_geometry_program * +st_geometry_program( struct gl_geometry_program *gp ) +{ + return (struct st_geometry_program *)gp; +} + +static INLINE void +st_reference_vertprog(struct st_context *st, + struct st_vertex_program **ptr, + struct st_vertex_program *prog) +{ + _mesa_reference_program(st->ctx, + (struct gl_program **) ptr, + (struct gl_program *) prog); +} + +static INLINE void +st_reference_geomprog(struct st_context *st, + struct st_geometry_program **ptr, + struct st_geometry_program *prog) +{ + _mesa_reference_program(st->ctx, + (struct gl_program **) ptr, + (struct gl_program *) prog); +} + +static INLINE void +st_reference_fragprog(struct st_context *st, + struct st_fragment_program **ptr, + struct st_fragment_program *prog) +{ + _mesa_reference_program(st->ctx, + (struct gl_program **) ptr, + (struct gl_program *) prog); +} + + +extern struct st_vp_variant * +st_get_vp_variant(struct st_context *st, + struct st_vertex_program *stvp, + const struct st_vp_variant_key *key); + + +extern struct st_fp_variant * +st_get_fp_variant(struct st_context *st, + struct st_fragment_program *stfp, + const struct st_fp_variant_key *key); + + +extern struct st_gp_variant * +st_get_gp_variant(struct st_context *st, + struct st_geometry_program *stgp, + const struct st_gp_variant_key *key); + + + +extern void +st_release_vp_variants( struct st_context *st, + struct st_vertex_program *stvp ); + +extern void +st_release_fp_variants( struct st_context *st, + struct st_fragment_program *stfp ); + +extern void +st_release_gp_variants(struct st_context *st, + struct st_geometry_program *stgp); + + +extern void +st_print_shaders(struct gl_context *ctx); + +extern void +st_destroy_program_variants(struct st_context *st); + + +#endif diff --git a/mesalib/src/mesa/state_tracker/st_texture.c b/mesalib/src/mesa/state_tracker/st_texture.c new file mode 100644 index 000000000..4d4b238ef --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_texture.c @@ -0,0 +1,316 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include + +#include "st_context.h" +#include "st_format.h" +#include "st_texture.h" +#include "st_cb_fbo.h" +#include "main/enums.h" + +#include "pipe/p_state.h" +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "util/u_inlines.h" +#include "util/u_format.h" +#include "util/u_rect.h" +#include "util/u_math.h" + + +#define DBG if(0) printf + + +/** + * Allocate a new pipe_resource object + * width0, height0, depth0 are the dimensions of the level 0 image + * (the highest resolution). last_level indicates how many mipmap levels + * to allocate storage for. For non-mipmapped textures, this will be zero. + */ +struct pipe_resource * +st_texture_create(struct st_context *st, + enum pipe_texture_target target, + enum pipe_format format, + GLuint last_level, + GLuint width0, + GLuint height0, + GLuint depth0, + GLuint bind ) +{ + struct pipe_resource pt, *newtex; + struct pipe_screen *screen = st->pipe->screen; + + assert(target < PIPE_MAX_TEXTURE_TYPES); + assert(width0 > 0); + assert(height0 > 0); + assert(depth0 > 0); + + DBG("%s target %s format %s last_level %d\n", __FUNCTION__, + _mesa_lookup_enum_by_nr(target), + _mesa_lookup_enum_by_nr(format), last_level); + + assert(format); + assert(screen->is_format_supported(screen, format, target, 0, + PIPE_BIND_SAMPLER_VIEW, 0)); + + memset(&pt, 0, sizeof(pt)); + pt.target = target; + pt.format = format; + pt.last_level = last_level; + pt.width0 = width0; + pt.height0 = height0; + pt.depth0 = depth0; + pt.array_size = (target == PIPE_TEXTURE_CUBE ? 6 : 1); + pt.usage = PIPE_USAGE_DEFAULT; + pt.bind = bind; + pt.flags = 0; + + newtex = screen->resource_create(screen, &pt); + + assert(!newtex || pipe_is_referenced(&newtex->reference)); + + return newtex; +} + + +/** + * Check if a texture image can be pulled into a unified mipmap texture. + */ +GLboolean +st_texture_match_image(const struct pipe_resource *pt, + const struct gl_texture_image *image, + GLuint face, GLuint level) +{ + /* Images with borders are never pulled into mipmap textures. + */ + if (image->Border) + return GL_FALSE; + + /* Check if this image's format matches the established texture's format. + */ + if (st_mesa_format_to_pipe_format(image->TexFormat) != pt->format) + return GL_FALSE; + + /* Test if this image's size matches what's expected in the + * established texture. + */ + if (image->Width != u_minify(pt->width0, level) || + image->Height != u_minify(pt->height0, level) || + image->Depth != u_minify(pt->depth0, level)) + return GL_FALSE; + + return GL_TRUE; +} + + +/** + * Map a texture image and return the address for a particular 2D face/slice/ + * layer. The stImage indicates the cube face and mipmap level. The slice + * of the 3D texture is passed in 'zoffset'. + * \param usage one of the PIPE_TRANSFER_x values + * \param x, y, w, h the region of interest of the 2D image. + * \return address of mapping or NULL if any error + */ +GLubyte * +st_texture_image_map(struct st_context *st, struct st_texture_image *stImage, + GLuint zoffset, enum pipe_transfer_usage usage, + GLuint x, GLuint y, GLuint w, GLuint h) +{ + struct pipe_context *pipe = st->pipe; + struct pipe_resource *pt = stImage->pt; + + DBG("%s \n", __FUNCTION__); + + stImage->transfer = pipe_get_transfer(st->pipe, pt, stImage->level, + stImage->face + zoffset, + usage, x, y, w, h); + + if (stImage->transfer) + return pipe_transfer_map(pipe, stImage->transfer); + else + return NULL; +} + + +void +st_texture_image_unmap(struct st_context *st, + struct st_texture_image *stImage) +{ + struct pipe_context *pipe = st->pipe; + + DBG("%s\n", __FUNCTION__); + + pipe_transfer_unmap(pipe, stImage->transfer); + + pipe->transfer_destroy(pipe, stImage->transfer); +} + + + +/** + * Upload data to a rectangular sub-region. Lots of choices how to do this: + * + * - memcpy by span to current destination + * - upload data as new buffer and blit + * + * Currently always memcpy. + */ +static void +st_surface_data(struct pipe_context *pipe, + struct pipe_transfer *dst, + unsigned dstx, unsigned dsty, + const void *src, unsigned src_stride, + unsigned srcx, unsigned srcy, unsigned width, unsigned height) +{ + void *map = pipe_transfer_map(pipe, dst); + + assert(dst->resource); + util_copy_rect(map, + dst->resource->format, + dst->stride, + dstx, dsty, + width, height, + src, src_stride, + srcx, srcy); + + pipe_transfer_unmap(pipe, dst); +} + + +/* Upload data for a particular image. + */ +void +st_texture_image_data(struct st_context *st, + struct pipe_resource *dst, + GLuint face, + GLuint level, + void *src, + GLuint src_row_stride, GLuint src_image_stride) +{ + struct pipe_context *pipe = st->pipe; + GLuint depth = u_minify(dst->depth0, level); + GLuint i; + const GLubyte *srcUB = src; + struct pipe_transfer *dst_transfer; + + DBG("%s\n", __FUNCTION__); + + for (i = 0; i < depth; i++) { + dst_transfer = pipe_get_transfer(st->pipe, dst, level, face + i, + PIPE_TRANSFER_WRITE, 0, 0, + u_minify(dst->width0, level), + u_minify(dst->height0, level)); + + st_surface_data(pipe, dst_transfer, + 0, 0, /* dstx, dsty */ + srcUB, + src_row_stride, + 0, 0, /* source x, y */ + u_minify(dst->width0, level), + u_minify(dst->height0, level)); /* width, height */ + + pipe->transfer_destroy(pipe, dst_transfer); + + srcUB += src_image_stride; + } +} + + +/** + * For debug only: get/print center pixel in the src resource. + */ +static void +print_center_pixel(struct pipe_context *pipe, struct pipe_resource *src) +{ + struct pipe_transfer *xfer; + struct pipe_box region; + ubyte *map; + + region.x = src->width0 / 2; + region.y = src->height0 / 2; + region.z = 0; + region.width = 1; + region.height = 1; + region.depth = 1; + + xfer = pipe->get_transfer(pipe, src, 0, PIPE_TRANSFER_READ, ®ion); + map = pipe->transfer_map(pipe, xfer); + + printf("center pixel: %d %d %d %d\n", map[0], map[1], map[2], map[3]); + + pipe->transfer_unmap(pipe, xfer); + pipe->transfer_destroy(pipe, xfer); +} + + +/** + * Copy the image at level=0 in 'src' to the 'dst' resource at 'dstLevel'. + * This is used to copy mipmap images from one texture buffer to another. + * This typically happens when our initial guess at the total texture size + * is incorrect (see the guess_and_alloc_texture() function). + */ +void +st_texture_image_copy(struct pipe_context *pipe, + struct pipe_resource *dst, GLuint dstLevel, + struct pipe_resource *src, GLuint srcLevel, + GLuint face) +{ + GLuint width = u_minify(dst->width0, dstLevel); + GLuint height = u_minify(dst->height0, dstLevel); + GLuint depth = u_minify(dst->depth0, dstLevel); + struct pipe_box src_box; + GLuint i; + + assert(u_minify(src->width0, srcLevel) == width); + assert(u_minify(src->height0, srcLevel) == height); + assert(u_minify(src->depth0, srcLevel) == depth); + + src_box.x = 0; + src_box.y = 0; + src_box.width = width; + src_box.height = height; + src_box.depth = 1; + /* Loop over 3D image slices */ + /* could (and probably should) use "true" 3d box here - + but drivers can't quite handle it yet */ + for (i = face; i < face + depth; i++) { + src_box.z = i; + + if (0) { + print_center_pixel(pipe, src); + } + + pipe->resource_copy_region(pipe, + dst, + dstLevel, + 0, 0, i,/* destX, Y, Z */ + src, + srcLevel, + &src_box); + } +} + diff --git a/mesalib/src/mesa/state_tracker/st_texture.h b/mesalib/src/mesa/state_tracker/st_texture.h new file mode 100644 index 000000000..53d97101d --- /dev/null +++ b/mesalib/src/mesa/state_tracker/st_texture.h @@ -0,0 +1,225 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef ST_TEXTURE_H +#define ST_TEXTURE_H + + +#include "pipe/p_context.h" +#include "util/u_sampler.h" + +#include "main/mtypes.h" + + +struct pipe_resource; + + +/** + * Subclass of gl_texure_image. + */ +struct st_texture_image +{ + struct gl_texture_image base; + + /* These aren't stored in gl_texture_image + */ + GLuint level; + GLuint face; + + /* If stImage->pt != NULL, image data is stored here. + * Else if stImage->base.Data != NULL, image is stored there. + * Else there is no image data. + */ + struct pipe_resource *pt; + + struct pipe_transfer *transfer; +}; + + +/** + * Subclass of gl_texure_object. + */ +struct st_texture_object +{ + struct gl_texture_object base; /* The "parent" object */ + + /* The texture must include at levels [0..lastLevel] once validated: + */ + GLuint lastLevel; + + /** The size of the level=0 mipmap image */ + GLuint width0, height0, depth0; + + /* On validation any active images held in main memory or in other + * textures will be copied to this texture and the old storage freed. + */ + struct pipe_resource *pt; + + /* Default sampler view attached to this texture object. Created lazily + * on first binding. + */ + struct pipe_sampler_view *sampler_view; + + /* True if there is/was a surface bound to this texture object. It helps + * track whether the texture object is surface based or not. + */ + GLboolean surface_based; +}; + + +static INLINE struct st_texture_image * +st_texture_image(struct gl_texture_image *img) +{ + return (struct st_texture_image *) img; +} + +static INLINE struct st_texture_object * +st_texture_object(struct gl_texture_object *obj) +{ + return (struct st_texture_object *) obj; +} + + +static INLINE struct pipe_resource * +st_get_texobj_resource(struct gl_texture_object *texObj) +{ + struct st_texture_object *stObj = st_texture_object(texObj); + return stObj ? stObj->pt : NULL; +} + + +static INLINE struct pipe_resource * +st_get_stobj_resource(struct st_texture_object *stObj) +{ + return stObj ? stObj->pt : NULL; +} + + +static INLINE struct pipe_sampler_view * +st_create_texture_sampler_view(struct pipe_context *pipe, + struct pipe_resource *texture) +{ + struct pipe_sampler_view templ; + + u_sampler_view_default_template(&templ, + texture, + texture->format); + + return pipe->create_sampler_view(pipe, texture, &templ); +} + + +static INLINE struct pipe_sampler_view * +st_create_texture_sampler_view_format(struct pipe_context *pipe, + struct pipe_resource *texture, + enum pipe_format format) +{ + struct pipe_sampler_view templ; + + u_sampler_view_default_template(&templ, + texture, + format); + + return pipe->create_sampler_view(pipe, texture, &templ); +} + +static INLINE struct pipe_sampler_view * +st_get_texture_sampler_view(struct st_texture_object *stObj, + struct pipe_context *pipe) + +{ + if (!stObj || !stObj->pt) { + return NULL; + } + + if (!stObj->sampler_view) { + stObj->sampler_view = st_create_texture_sampler_view(pipe, stObj->pt); + } + + return stObj->sampler_view; +} + + +extern struct pipe_resource * +st_texture_create(struct st_context *st, + enum pipe_texture_target target, + enum pipe_format format, + GLuint last_level, + GLuint width0, + GLuint height0, + GLuint depth0, + GLuint tex_usage ); + + +/* Check if an image fits into an existing texture object. + */ +extern GLboolean +st_texture_match_image(const struct pipe_resource *pt, + const struct gl_texture_image *image, + GLuint face, GLuint level); + +/* Return a pointer to an image within a texture. Return image stride as + * well. + */ +extern GLubyte * +st_texture_image_map(struct st_context *st, + struct st_texture_image *stImage, + GLuint zoffset, + enum pipe_transfer_usage usage, + unsigned x, unsigned y, + unsigned w, unsigned h); + +extern void +st_texture_image_unmap(struct st_context *st, + struct st_texture_image *stImage); + + +/* Return pointers to each 2d slice within an image. Indexed by depth + * value. + */ +extern const GLuint * +st_texture_depth_offsets(struct pipe_resource *pt, GLuint level); + + +/* Upload an image into a texture + */ +extern void +st_texture_image_data(struct st_context *st, + struct pipe_resource *dst, + GLuint face, GLuint level, void *src, + GLuint src_row_pitch, GLuint src_image_pitch); + + +/* Copy an image between two textures + */ +extern void +st_texture_image_copy(struct pipe_context *pipe, + struct pipe_resource *dst, GLuint dstLevel, + struct pipe_resource *src, GLuint srcLevel, + GLuint face); + +#endif -- cgit v1.2.3