diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_atom_sampler.c')
-rw-r--r-- | mesalib/src/mesa/state_tracker/st_atom_sampler.c | 550 |
1 files changed, 279 insertions, 271 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_sampler.c b/mesalib/src/mesa/state_tracker/st_atom_sampler.c index 627a13387..731338f9b 100644 --- a/mesalib/src/mesa/state_tracker/st_atom_sampler.c +++ b/mesalib/src/mesa/state_tracker/st_atom_sampler.c @@ -1,271 +1,279 @@ -/**************************************************************************
- *
- * 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 <keith@tungstengraphics.com>
- * Brian Paul
- */
-
-
-#include "main/macros.h"
-#include "main/mtypes.h"
-#include "main/samplerobj.h"
-
-#include "st_context.h"
-#include "st_cb_texture.h"
-#include "st_format.h"
-#include "st_atom.h"
-#include "st_texture.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 convert_sampler(struct st_context *st,
- struct pipe_sampler_state *sampler,
- GLuint texUnit)
-{
- struct gl_texture_object *texobj;
- struct gl_sampler_object *msamp;
-
- texobj = st->ctx->Texture.Unit[texUnit]._Current;
- if (!texobj) {
- texobj = st_get_default_texture(st);
- }
-
- msamp = _mesa_get_samplerobj(st->ctx, texUnit);
-
- memset(sampler, 0, sizeof(*sampler));
- sampler->wrap_s = gl_wrap_xlate(msamp->WrapS);
- sampler->wrap_t = gl_wrap_xlate(msamp->WrapT);
- sampler->wrap_r = gl_wrap_xlate(msamp->WrapR);
-
- sampler->min_img_filter = gl_filter_to_img_filter(msamp->MinFilter);
- sampler->min_mip_filter = gl_filter_to_mip_filter(msamp->MinFilter);
- sampler->mag_img_filter = gl_filter_to_img_filter(msamp->MagFilter);
-
- if (texobj->Target != GL_TEXTURE_RECTANGLE_ARB)
- sampler->normalized_coords = 1;
-
- sampler->lod_bias = st->ctx->Texture.Unit[texUnit].LodBias +
- msamp->LodBias;
-
- sampler->min_lod = CLAMP(msamp->MinLod,
- 0.0f,
- (GLfloat) texobj->MaxLevel - texobj->BaseLevel);
- sampler->max_lod = MIN2((GLfloat) texobj->MaxLevel - texobj->BaseLevel,
- msamp->MaxLod);
- 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);
- }
-
- if (msamp->BorderColor.ui[0] ||
- msamp->BorderColor.ui[1] ||
- msamp->BorderColor.ui[2] ||
- msamp->BorderColor.ui[3]) {
- struct gl_texture_image *teximg;
-
- teximg = texobj->Image[0][texobj->BaseLevel];
-
- st_translate_color(msamp->BorderColor.f,
- teximg ? teximg->_BaseFormat : GL_RGBA,
- sampler->border_color);
- }
-
- sampler->max_anisotropy = (msamp->MaxAnisotropy == 1.0 ?
- 0 : (GLuint) msamp->MaxAnisotropy);
-
- /* only care about ARB_shadow, not SGI shadow */
- if (msamp->CompareMode == GL_COMPARE_R_TO_TEXTURE) {
- sampler->compare_mode = PIPE_TEX_COMPARE_R_TO_TEXTURE;
- sampler->compare_func
- = st_compare_func_to_pipe(msamp->CompareFunc);
- }
-
- sampler->seamless_cube_map =
- st->ctx->Texture.CubeMapSeamless || msamp->CubeMapSeamless;
-}
-
-static void
-update_vertex_samplers(struct st_context *st)
-{
- struct gl_vertex_program *vprog = st->ctx->VertexProgram._Current;
- GLuint su;
-
- st->state.num_vertex_samplers = 0;
-
- /* loop over sampler units (aka tex image units) */
- for (su = 0; su < st->ctx->Const.MaxVertexTextureImageUnits; su++) {
- struct pipe_sampler_state *sampler = st->state.vertex_samplers + su;
-
- if (vprog->Base.SamplersUsed & (1 << su)) {
- GLuint texUnit;
-
- texUnit = vprog->Base.SamplerUnits[su];
-
- convert_sampler(st, sampler, texUnit);
-
- st->state.num_vertex_samplers = su + 1;
-
- cso_single_vertex_sampler(st->cso_context, su, sampler);
- } else {
- cso_single_vertex_sampler(st->cso_context, su, NULL);
- }
- }
- cso_single_vertex_sampler_done(st->cso_context);
-}
-
-static void
-update_fragment_samplers(struct st_context *st)
-{
- struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current;
- 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;
-
-
- if (fprog->Base.SamplersUsed & (1 << su)) {
- GLuint texUnit;
-
- texUnit = fprog->Base.SamplerUnits[su];
-
- convert_sampler(st, sampler, texUnit);
-
- st->state.num_samplers = su + 1;
-
- /*printf("%s su=%u non-null\n", __FUNCTION__, su);*/
- cso_single_sampler(st->cso_context, su, sampler);
- }
- else {
- /*printf("%s su=%u null\n", __FUNCTION__, su);*/
- cso_single_sampler(st->cso_context, su, NULL);
- }
- }
-
- cso_single_sampler_done(st->cso_context);
-}
-
-static void
-update_samplers(struct st_context *st)
-{
- update_fragment_samplers(st);
- update_vertex_samplers(st);
-}
-
-const struct st_tracked_state st_update_sampler = {
- "st_update_sampler", /* name */
- { /* dirty */
- _NEW_TEXTURE, /* mesa */
- 0, /* st */
- },
- update_samplers /* update */
-};
+/************************************************************************** + * + * 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 <keith@tungstengraphics.com> + * Brian Paul + */ + + +#include "main/macros.h" +#include "main/mtypes.h" +#include "main/samplerobj.h" + +#include "st_context.h" +#include "st_cb_texture.h" +#include "st_format.h" +#include "st_atom.h" +#include "st_texture.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 +convert_sampler(struct st_context *st, + struct pipe_sampler_state *sampler, + GLuint texUnit) +{ + struct gl_texture_object *texobj; + struct gl_context *ctx = st->ctx; + struct gl_sampler_object *msamp; + + texobj = ctx->Texture.Unit[texUnit]._Current; + if (!texobj) { + texobj = st_get_default_texture(st); + } + + msamp = _mesa_get_samplerobj(ctx, texUnit); + + memset(sampler, 0, sizeof(*sampler)); + sampler->wrap_s = gl_wrap_xlate(msamp->WrapS); + sampler->wrap_t = gl_wrap_xlate(msamp->WrapT); + sampler->wrap_r = gl_wrap_xlate(msamp->WrapR); + + sampler->min_img_filter = gl_filter_to_img_filter(msamp->MinFilter); + sampler->min_mip_filter = gl_filter_to_mip_filter(msamp->MinFilter); + sampler->mag_img_filter = gl_filter_to_img_filter(msamp->MagFilter); + + if (texobj->Target != GL_TEXTURE_RECTANGLE_ARB) + sampler->normalized_coords = 1; + + sampler->lod_bias = ctx->Texture.Unit[texUnit].LodBias + msamp->LodBias; + + sampler->min_lod = CLAMP(msamp->MinLod, + 0.0f, + (GLfloat) texobj->MaxLevel - texobj->BaseLevel); + sampler->max_lod = MIN2((GLfloat) texobj->MaxLevel - texobj->BaseLevel, + msamp->MaxLod); + 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); + } + + if (msamp->BorderColor.ui[0] || + msamp->BorderColor.ui[1] || + msamp->BorderColor.ui[2] || + msamp->BorderColor.ui[3]) { + struct gl_texture_image *teximg; + + teximg = texobj->Image[0][texobj->BaseLevel]; + + st_translate_color(msamp->BorderColor.f, + teximg ? teximg->_BaseFormat : GL_RGBA, + sampler->border_color); + } + + sampler->max_anisotropy = (msamp->MaxAnisotropy == 1.0 ? + 0 : (GLuint) msamp->MaxAnisotropy); + + /* only care about ARB_shadow, not SGI shadow */ + if (msamp->CompareMode == GL_COMPARE_R_TO_TEXTURE) { + sampler->compare_mode = PIPE_TEX_COMPARE_R_TO_TEXTURE; + sampler->compare_func + = st_compare_func_to_pipe(msamp->CompareFunc); + } + + sampler->seamless_cube_map = + ctx->Texture.CubeMapSeamless || msamp->CubeMapSeamless; +} + + +static void +update_vertex_samplers(struct st_context *st) +{ + const struct gl_context *ctx = st->ctx; + struct gl_vertex_program *vprog = ctx->VertexProgram._Current; + GLuint su; + + st->state.num_vertex_samplers = 0; + + /* loop over sampler units (aka tex image units) */ + for (su = 0; su < ctx->Const.MaxVertexTextureImageUnits; su++) { + struct pipe_sampler_state *sampler = st->state.vertex_samplers + su; + + if (vprog->Base.SamplersUsed & (1 << su)) { + GLuint texUnit; + + texUnit = vprog->Base.SamplerUnits[su]; + + convert_sampler(st, sampler, texUnit); + + st->state.num_vertex_samplers = su + 1; + + cso_single_vertex_sampler(st->cso_context, su, sampler); + } else { + cso_single_vertex_sampler(st->cso_context, su, NULL); + } + } + cso_single_vertex_sampler_done(st->cso_context); +} + + +static void +update_fragment_samplers(struct st_context *st) +{ + const struct gl_context *ctx = st->ctx; + struct gl_fragment_program *fprog = ctx->FragmentProgram._Current; + GLuint su; + + st->state.num_samplers = 0; + + /* loop over sampler units (aka tex image units) */ + for (su = 0; su < ctx->Const.MaxTextureImageUnits; su++) { + struct pipe_sampler_state *sampler = st->state.samplers + su; + + + if (fprog->Base.SamplersUsed & (1 << su)) { + GLuint texUnit; + + texUnit = fprog->Base.SamplerUnits[su]; + + convert_sampler(st, sampler, texUnit); + + st->state.num_samplers = su + 1; + + /*printf("%s su=%u non-null\n", __FUNCTION__, su);*/ + cso_single_sampler(st->cso_context, su, sampler); + } + else { + /*printf("%s su=%u null\n", __FUNCTION__, su);*/ + cso_single_sampler(st->cso_context, su, NULL); + } + } + + cso_single_sampler_done(st->cso_context); +} + + +static void +update_samplers(struct st_context *st) +{ + update_fragment_samplers(st); + update_vertex_samplers(st); +} + + +const struct st_tracked_state st_update_sampler = { + "st_update_sampler", /* name */ + { /* dirty */ + _NEW_TEXTURE, /* mesa */ + 0, /* st */ + }, + update_samplers /* update */ +}; |