diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_atom_constbuf.c')
-rw-r--r-- | mesalib/src/mesa/state_tracker/st_atom_constbuf.c | 347 |
1 files changed, 177 insertions, 170 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_constbuf.c b/mesalib/src/mesa/state_tracker/st_atom_constbuf.c index 87a479a22..fd9228583 100644 --- a/mesalib/src/mesa/state_tracker/st_atom_constbuf.c +++ b/mesalib/src/mesa/state_tracker/st_atom_constbuf.c @@ -1,170 +1,177 @@ -/**************************************************************************
- *
- * 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/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;
-
- assert(shader_type == PIPE_SHADER_VERTEX ||
- shader_type == PIPE_SHADER_FRAGMENT ||
- shader_type == PIPE_SHADER_GEOMETRY);
-
- /* update constants */
- if (params && params->NumParameters) {
- struct pipe_resource *cbuf;
- 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.
- * Let's use a user buffer to avoid an unnecessary copy.
- */
- cbuf = pipe_user_buffer_create(pipe->screen,
- params->ParameterValues,
- paramBytes,
- PIPE_BIND_CONSTANT_BUFFER);
-
- 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);
- }
-
- st->pipe->set_constant_buffer(st->pipe, shader_type, 0, cbuf);
- pipe_resource_reference(&cbuf, NULL);
-
- st->state.constants[shader_type].ptr = params->ParameterValues;
- st->state.constants[shader_type].size = paramBytes;
- }
- else if (st->state.constants[shader_type].ptr) {
- st->state.constants[shader_type].ptr = NULL;
- st->state.constants[shader_type].size = 0;
- 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 */
-};
+/************************************************************************** + * + * 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/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 "util/u_upload_mgr.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) +{ + assert(shader_type == PIPE_SHADER_VERTEX || + shader_type == PIPE_SHADER_FRAGMENT || + shader_type == PIPE_SHADER_GEOMETRY); + + /* update constants */ + if (params && params->NumParameters) { + struct pipe_constant_buffer cb; + 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. + * Let's use a user buffer to avoid an unnecessary copy. + */ + if (st->constbuf_uploader) { + cb.buffer = NULL; + cb.user_buffer = NULL; + u_upload_data(st->constbuf_uploader, 0, paramBytes, + params->ParameterValues, &cb.buffer_offset, &cb.buffer); + u_upload_unmap(st->constbuf_uploader); + } else { + cb.buffer = NULL; + cb.user_buffer = params->ParameterValues; + cb.buffer_offset = 0; + } + cb.buffer_size = 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); + } + + st->pipe->set_constant_buffer(st->pipe, shader_type, 0, &cb); + pipe_resource_reference(&cb.buffer, NULL); + + st->state.constants[shader_type].ptr = params->ParameterValues; + st->state.constants[shader_type].size = paramBytes; + } + else if (st->state.constants[shader_type].ptr) { + st->state.constants[shader_type].ptr = NULL; + st->state.constants[shader_type].size = 0; + 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 */ +}; |