diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_program.c')
| -rw-r--r-- | mesalib/src/mesa/state_tracker/st_program.c | 2319 |
1 files changed, 1165 insertions, 1154 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_program.c b/mesalib/src/mesa/state_tracker/st_program.c index f70e5005f..fc1dfb3ef 100644 --- a/mesalib/src/mesa/state_tracker/st_program.c +++ b/mesalib/src/mesa/state_tracker/st_program.c @@ -1,1154 +1,1165 @@ -/**************************************************************************
- *
- * 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 "main/hash.h"
-#include "main/mfeatures.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 FEATURE_drawpix
- 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);
- }
-#endif
-
- 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);
-}
+/************************************************************************** + * + * 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 "main/hash.h" +#include "main/mfeatures.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); + if (fpv->parameters) + _mesa_free_parameter_list(fpv->parameters); + + 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); + GLboolean deleteFP = GL_FALSE; + + if (!variant) + return NULL; + + assert(!(key->bitmap && key->drawpixels)); + +#if FEATURE_drawpix + if (key->bitmap) { + /* glBitmap drawing */ + struct gl_fragment_program *fp; /* we free this temp program below */ + + 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); + deleteFP = GL_TRUE; + } + else if (key->drawpixels) { + /* glDrawPixels drawing */ + struct gl_fragment_program *fp; /* we free this temp program below */ + + 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); + deleteFP = GL_TRUE; + } + stfp = st_fragment_program(fp); + } +#endif + + 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"); + } + + if (deleteFP) { + /* Free the temporary program made above */ + struct gl_fragment_program *fp = &stfp->Base; + _mesa_reference_fragprog(st->ctx, &fp, NULL); + } + + 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); +} |