| /************************************************************************** |
| * |
| * 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); |
| if (fpv->tgsi.tokens) |
| st_free_tokens(fpv->tgsi.tokens); |
| 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. |
| */ |
| void |
| st_prepare_vertex_program(struct gl_context *ctx, |
| struct st_vertex_program *stvp) |
| { |
| GLuint attr; |
| |
| stvp->num_inputs = 0; |
| stvp->num_outputs = 0; |
| |
| if (stvp->Base.IsPositionInvariant) |
| _mesa_insert_mvp_code(ctx, &stvp->Base); |
| |
| if (!stvp->glsl_to_tgsi) |
| 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 & BITFIELD64_BIT(attr)) != 0) { |
| 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_CLIP_DIST0: |
| stvp->output_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST; |
| stvp->output_semantic_index[slot] = 0; |
| break; |
| case VERT_RESULT_CLIP_DIST1: |
| stvp->output_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST; |
| stvp->output_semantic_index[slot] = 1; |
| break; |
| case VERT_RESULT_EDGE: |
| assert(0); |
| break; |
| case VERT_RESULT_CLIP_VERTEX: |
| stvp->output_semantic_name[slot] = TGSI_SEMANTIC_CLIPVERTEX; |
| stvp->output_semantic_index[slot] = 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->ctx, stvp); |
| |
| if (!stvp->glsl_to_tgsi) |
| { |
| _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"); |
| } |
| |
| if (stvp->glsl_to_tgsi) |
| error = st_translate_program(st->ctx, |
| TGSI_PROCESSOR_VERTEX, |
| ureg, |
| stvp->glsl_to_tgsi, |
| &stvp->Base.Base, |
| /* inputs */ |
| stvp->num_inputs, |
| stvp->input_to_index, |
| NULL, /* input semantic name */ |
| NULL, /* input semantic index */ |
| NULL, /* interp mode */ |
| NULL, /* is centroid */ |
| /* outputs */ |
| stvp->num_outputs, |
| stvp->result_to_output, |
| stvp->output_semantic_name, |
| stvp->output_semantic_index, |
| key->passthrough_edgeflags, |
| key->clamp_color); |
| else |
| 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, |
| key->clamp_color); |
| |
| if (error) |
| goto fail; |
| |
| vpv->tgsi.tokens = ureg_get_tokens( ureg, NULL ); |
| if (!vpv->tgsi.tokens) |
| goto fail; |
| |
| ureg_destroy( ureg ); |
| |
| if (stvp->glsl_to_tgsi) { |
| st_translate_stream_output_info(stvp->glsl_to_tgsi, |
| stvp->result_to_output, |
| &vpv->tgsi.stream_output); |
| } |
| |
| 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; |
| } |
| |
| |
| static unsigned |
| st_translate_interp(enum glsl_interp_qualifier glsl_qual, bool is_color) |
| { |
| switch (glsl_qual) { |
| case INTERP_QUALIFIER_NONE: |
| if (is_color) |
| return TGSI_INTERPOLATE_COLOR; |
| return TGSI_INTERPOLATE_PERSPECTIVE; |
| case INTERP_QUALIFIER_SMOOTH: |
| return TGSI_INTERPOLATE_PERSPECTIVE; |
| case INTERP_QUALIFIER_FLAT: |
| return TGSI_INTERPOLATE_CONSTANT; |
| case INTERP_QUALIFIER_NOPERSPECTIVE: |
| return TGSI_INTERPOLATE_LINEAR; |
| default: |
| assert(0 && "unexpected interp mode in st_translate_interp()"); |
| return TGSI_INTERPOLATE_PERSPECTIVE; |
| } |
| } |
| |
| |
| /** |
| * 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; |
| |
| GLuint outputMapping[FRAG_RESULT_MAX]; |
| GLuint inputMapping[FRAG_ATTRIB_MAX]; |
| GLuint interpMode[PIPE_MAX_SHADER_INPUTS]; /* XXX size? */ |
| GLuint attr; |
| GLbitfield64 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]; |
| GLboolean is_centroid[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; |
| |
| 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->glsl_to_tgsi) |
| _mesa_remove_output_reads(&stfp->Base.Base, PROGRAM_OUTPUT); |
| |
| /* |
| * Convert Mesa program inputs to TGSI input register semantics. |
| */ |
| inputsRead = stfp->Base.Base.InputsRead; |
| for (attr = 0; attr < FRAG_ATTRIB_MAX; attr++) { |
| if ((inputsRead & BITFIELD64_BIT(attr)) != 0) { |
| const GLuint slot = fs_num_inputs++; |
| |
| inputMapping[attr] = slot; |
| is_centroid[slot] = (stfp->Base.IsCentroid & BITFIELD64_BIT(attr)) != 0; |
| |
| 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] = st_translate_interp(stfp->Base.InterpQualifier[attr], |
| TRUE); |
| break; |
| case FRAG_ATTRIB_COL1: |
| input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; |
| input_semantic_index[slot] = 1; |
| interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr], |
| TRUE); |
| 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; |
| case FRAG_ATTRIB_CLIP_DIST0: |
| input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST; |
| input_semantic_index[slot] = 0; |
| interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; |
| break; |
| case FRAG_ATTRIB_CLIP_DIST1: |
| input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST; |
| input_semantic_index[slot] = 1; |
| interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; |
| 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] = st_translate_interp(stfp->Base.InterpQualifier[attr], |
| FALSE); |
| 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 remaining 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) { |
| FREE(variant); |
| 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); |
| |
| if (stfp->Base.FragDepthLayout != FRAG_DEPTH_LAYOUT_NONE) { |
| switch (stfp->Base.FragDepthLayout) { |
| case FRAG_DEPTH_LAYOUT_ANY: |
| ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_ANY); |
| break; |
| case FRAG_DEPTH_LAYOUT_GREATER: |
| ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_GREATER); |
| break; |
| case FRAG_DEPTH_LAYOUT_LESS: |
| ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_LESS); |
| break; |
| case FRAG_DEPTH_LAYOUT_UNCHANGED: |
| ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_UNCHANGED); |
| break; |
| default: |
| assert(0); |
| } |
| } |
| |
| if (stfp->glsl_to_tgsi) |
| st_translate_program(st->ctx, |
| TGSI_PROCESSOR_FRAGMENT, |
| ureg, |
| stfp->glsl_to_tgsi, |
| &stfp->Base.Base, |
| /* inputs */ |
| fs_num_inputs, |
| inputMapping, |
| input_semantic_name, |
| input_semantic_index, |
| interpMode, |
| is_centroid, |
| /* outputs */ |
| fs_num_outputs, |
| outputMapping, |
| fs_output_semantic_name, |
| fs_output_semantic_index, FALSE, |
| key->clamp_color ); |
| else |
| 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, |
| key->clamp_color); |
| |
| variant->tgsi.tokens = ureg_get_tokens( ureg, NULL ); |
| ureg_destroy( ureg ); |
| |
| /* fill in variant */ |
| variant->driver_shader = pipe->create_fs_state(pipe, &variant->tgsi); |
| variant->key = *key; |
| |
| if (ST_DEBUG & DEBUG_TGSI) { |
| tgsi_dump( variant->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; |
| GLuint attr; |
| GLbitfield64 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. |
| */ |
| inputsRead = stgp->Base.Base.InputsRead; |
| for (attr = 0; attr < GEOM_ATTRIB_MAX; attr++) { |
| if ((inputsRead & BITFIELD64_BIT(attr)) != 0) { |
| 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 & BITFIELD64_BIT(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); |
| |
| 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, |
| FALSE); |
| |
| stgp->num_inputs = gs_num_inputs; |
| stgp->tgsi.tokens = ureg_get_tokens( ureg, NULL ); |
| ureg_destroy( ureg ); |
| |
| if (stgp->glsl_to_tgsi) { |
| st_translate_stream_output_info(stgp->glsl_to_tgsi, |
| outputMapping, |
| &stgp->tgsi.stream_output); |
| } |
| |
| /* 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 0x%x in " |
| "destroy_program_variants_cb()", program->Target); |
| } |
| } |
| |
| |
| /** |
| * 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); |
| } |
| |
| for (i = 0; i < Elements(shProg->_LinkedShaders); i++) { |
| if (shProg->_LinkedShaders[i]) |
| destroy_program_variants(st, shProg->_LinkedShaders[i]->Program); |
| } |
| } |
| 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); |
| } |
| |
| |
| /** |
| * For debugging, print/dump the current vertex program. |
| */ |
| void |
| st_print_current_vertex_program(void) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| |
| if (ctx->VertexProgram._Current) { |
| struct st_vertex_program *stvp = |
| (struct st_vertex_program *) ctx->VertexProgram._Current; |
| struct st_vp_variant *stv; |
| |
| debug_printf("Vertex program %u\n", stvp->Base.Base.Id); |
| |
| for (stv = stvp->variants; stv; stv = stv->next) { |
| debug_printf("variant %p\n", stv); |
| tgsi_dump(stv->tgsi.tokens, 0); |
| } |
| } |
| } |
