1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 * Keith Whitwell <keith@tungstengraphics.com>
34 #include "main/imports.h"
35 #include "main/hash.h"
36 #include "main/mfeatures.h"
37 #include "main/mtypes.h"
38 #include "program/prog_parameter.h"
39 #include "program/prog_print.h"
40 #include "program/programopt.h"
42 #include "pipe/p_context.h"
43 #include "pipe/p_defines.h"
44 #include "pipe/p_shader_tokens.h"
45 #include "draw/draw_context.h"
46 #include "tgsi/tgsi_dump.h"
47 #include "tgsi/tgsi_ureg.h"
50 #include "st_cb_bitmap.h"
51 #include "st_cb_drawpixels.h"
52 #include "st_context.h"
53 #include "st_program.h"
54 #include "st_mesa_to_tgsi.h"
55 #include "cso_cache/cso_context.h"
60 * Delete a vertex program variant. Note the caller must unlink
61 * the variant from the linked list.
64 delete_vp_variant(struct st_context *st, struct st_vp_variant *vpv)
66 if (vpv->driver_shader)
67 cso_delete_vertex_shader(st->cso_context, vpv->driver_shader);
69 #if FEATURE_feedback || FEATURE_rastpos
71 draw_delete_vertex_shader( st->draw, vpv->draw_shader );
75 st_free_tokens(vpv->tgsi.tokens);
83 * Clean out any old compilations:
86 st_release_vp_variants( struct st_context *st,
87 struct st_vertex_program *stvp )
89 struct st_vp_variant *vpv;
91 for (vpv = stvp->variants; vpv; ) {
92 struct st_vp_variant *next = vpv->next;
93 delete_vp_variant(st, vpv);
97 stvp->variants = NULL;
103 * Delete a fragment program variant. Note the caller must unlink
104 * the variant from the linked list.
107 delete_fp_variant(struct st_context *st, struct st_fp_variant *fpv)
109 if (fpv->driver_shader)
110 cso_delete_fragment_shader(st->cso_context, fpv->driver_shader);
112 _mesa_free_parameter_list(fpv->parameters);
119 * Free all variants of a fragment program.
122 st_release_fp_variants(struct st_context *st, struct st_fragment_program *stfp)
124 struct st_fp_variant *fpv;
126 for (fpv = stfp->variants; fpv; ) {
127 struct st_fp_variant *next = fpv->next;
128 delete_fp_variant(st, fpv);
132 stfp->variants = NULL;
137 * Delete a geometry program variant. Note the caller must unlink
138 * the variant from the linked list.
141 delete_gp_variant(struct st_context *st, struct st_gp_variant *gpv)
143 if (gpv->driver_shader)
144 cso_delete_geometry_shader(st->cso_context, gpv->driver_shader);
151 * Free all variants of a geometry program.
154 st_release_gp_variants(struct st_context *st, struct st_geometry_program *stgp)
156 struct st_gp_variant *gpv;
158 for (gpv = stgp->variants; gpv; ) {
159 struct st_gp_variant *next = gpv->next;
160 delete_gp_variant(st, gpv);
164 stgp->variants = NULL;
171 * Translate a Mesa vertex shader into a TGSI shader.
172 * \param outputMapping to map vertex program output registers (VERT_RESULT_x)
173 * to TGSI output slots
174 * \param tokensOut destination for TGSI tokens
175 * \return pointer to cached pipe_shader object.
178 st_prepare_vertex_program(struct st_context *st,
179 struct st_vertex_program *stvp)
183 stvp->num_inputs = 0;
184 stvp->num_outputs = 0;
186 if (stvp->Base.IsPositionInvariant)
187 _mesa_insert_mvp_code(st->ctx, &stvp->Base);
189 assert(stvp->Base.Base.NumInstructions > 1);
192 * Determine number of inputs, the mappings between VERT_ATTRIB_x
193 * and TGSI generic input indexes, plus input attrib semantic info.
195 for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) {
196 if (stvp->Base.Base.InputsRead & (1 << attr)) {
197 stvp->input_to_index[attr] = stvp->num_inputs;
198 stvp->index_to_input[stvp->num_inputs] = attr;
202 /* bit of a hack, presetup potentially unused edgeflag input */
203 stvp->input_to_index[VERT_ATTRIB_EDGEFLAG] = stvp->num_inputs;
204 stvp->index_to_input[stvp->num_inputs] = VERT_ATTRIB_EDGEFLAG;
206 /* Compute mapping of vertex program outputs to slots.
208 for (attr = 0; attr < VERT_RESULT_MAX; attr++) {
209 if ((stvp->Base.Base.OutputsWritten & BITFIELD64_BIT(attr)) == 0) {
210 stvp->result_to_output[attr] = ~0;
213 unsigned slot = stvp->num_outputs++;
215 stvp->result_to_output[attr] = slot;
218 case VERT_RESULT_HPOS:
219 stvp->output_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
220 stvp->output_semantic_index[slot] = 0;
222 case VERT_RESULT_COL0:
223 stvp->output_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
224 stvp->output_semantic_index[slot] = 0;
226 case VERT_RESULT_COL1:
227 stvp->output_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
228 stvp->output_semantic_index[slot] = 1;
230 case VERT_RESULT_BFC0:
231 stvp->output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR;
232 stvp->output_semantic_index[slot] = 0;
234 case VERT_RESULT_BFC1:
235 stvp->output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR;
236 stvp->output_semantic_index[slot] = 1;
238 case VERT_RESULT_FOGC:
239 stvp->output_semantic_name[slot] = TGSI_SEMANTIC_FOG;
240 stvp->output_semantic_index[slot] = 0;
242 case VERT_RESULT_PSIZ:
243 stvp->output_semantic_name[slot] = TGSI_SEMANTIC_PSIZE;
244 stvp->output_semantic_index[slot] = 0;
246 case VERT_RESULT_EDGE:
250 case VERT_RESULT_TEX0:
251 case VERT_RESULT_TEX1:
252 case VERT_RESULT_TEX2:
253 case VERT_RESULT_TEX3:
254 case VERT_RESULT_TEX4:
255 case VERT_RESULT_TEX5:
256 case VERT_RESULT_TEX6:
257 case VERT_RESULT_TEX7:
258 stvp->output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
259 stvp->output_semantic_index[slot] = attr - VERT_RESULT_TEX0;
262 case VERT_RESULT_VAR0:
264 assert(attr < VERT_RESULT_MAX);
265 stvp->output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
266 stvp->output_semantic_index[slot] = (FRAG_ATTRIB_VAR0 -
274 /* similar hack to above, presetup potentially unused edgeflag output */
275 stvp->result_to_output[VERT_RESULT_EDGE] = stvp->num_outputs;
276 stvp->output_semantic_name[stvp->num_outputs] = TGSI_SEMANTIC_EDGEFLAG;
277 stvp->output_semantic_index[stvp->num_outputs] = 0;
282 * Translate a vertex program to create a new variant.
284 static struct st_vp_variant *
285 st_translate_vertex_program(struct st_context *st,
286 struct st_vertex_program *stvp,
287 const struct st_vp_variant_key *key)
289 struct st_vp_variant *vpv = CALLOC_STRUCT(st_vp_variant);
290 struct pipe_context *pipe = st->pipe;
291 struct ureg_program *ureg;
292 enum pipe_error error;
293 unsigned num_outputs;
295 st_prepare_vertex_program( st, stvp );
297 _mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_OUTPUT);
298 _mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_VARYING);
300 ureg = ureg_create( TGSI_PROCESSOR_VERTEX );
308 vpv->num_inputs = stvp->num_inputs;
309 num_outputs = stvp->num_outputs;
310 if (key->passthrough_edgeflags) {
315 if (ST_DEBUG & DEBUG_MESA) {
316 _mesa_print_program(&stvp->Base.Base);
317 _mesa_print_program_parameters(st->ctx, &stvp->Base.Base);
321 error = st_translate_mesa_program(st->ctx,
322 TGSI_PROCESSOR_VERTEX,
327 stvp->input_to_index,
328 NULL, /* input semantic name */
329 NULL, /* input semantic index */
333 stvp->result_to_output,
334 stvp->output_semantic_name,
335 stvp->output_semantic_index,
336 key->passthrough_edgeflags );
341 vpv->tgsi.tokens = ureg_get_tokens( ureg, NULL );
342 if (!vpv->tgsi.tokens)
345 ureg_destroy( ureg );
347 vpv->driver_shader = pipe->create_vs_state(pipe, &vpv->tgsi);
349 if (ST_DEBUG & DEBUG_TGSI) {
350 tgsi_dump( vpv->tgsi.tokens, 0 );
357 debug_printf("%s: failed to translate Mesa program:\n", __FUNCTION__);
358 _mesa_print_program(&stvp->Base.Base);
361 ureg_destroy( ureg );
367 * Find/create a vertex program variant.
369 struct st_vp_variant *
370 st_get_vp_variant(struct st_context *st,
371 struct st_vertex_program *stvp,
372 const struct st_vp_variant_key *key)
374 struct st_vp_variant *vpv;
376 /* Search for existing variant */
377 for (vpv = stvp->variants; vpv; vpv = vpv->next) {
378 if (memcmp(&vpv->key, key, sizeof(*key)) == 0) {
385 vpv = st_translate_vertex_program(st, stvp, key);
387 /* insert into list */
388 vpv->next = stvp->variants;
389 stvp->variants = vpv;
398 * Translate a Mesa fragment shader into a TGSI shader using extra info in
400 * \return new fragment program variant
402 static struct st_fp_variant *
403 st_translate_fragment_program(struct st_context *st,
404 struct st_fragment_program *stfp,
405 const struct st_fp_variant_key *key)
407 struct pipe_context *pipe = st->pipe;
408 struct st_fp_variant *variant = CALLOC_STRUCT(st_fp_variant);
409 GLboolean deleteFP = GL_FALSE;
414 assert(!(key->bitmap && key->drawpixels));
418 /* glBitmap drawing */
419 struct gl_fragment_program *fp; /* we free this temp program below */
421 st_make_bitmap_fragment_program(st, &stfp->Base,
422 &fp, &variant->bitmap_sampler);
424 variant->parameters = _mesa_clone_parameter_list(fp->Base.Parameters);
425 stfp = st_fragment_program(fp);
428 else if (key->drawpixels) {
429 /* glDrawPixels drawing */
430 struct gl_fragment_program *fp; /* we free this temp program below */
432 if (key->drawpixels_z || key->drawpixels_stencil) {
433 fp = st_make_drawpix_z_stencil_program(st, key->drawpixels_z,
434 key->drawpixels_stencil);
438 st_make_drawpix_fragment_program(st, &stfp->Base, &fp);
439 variant->parameters = _mesa_clone_parameter_list(fp->Base.Parameters);
442 stfp = st_fragment_program(fp);
446 if (!stfp->tgsi.tokens) {
447 /* need to translate Mesa instructions to TGSI now */
448 GLuint outputMapping[FRAG_RESULT_MAX];
449 GLuint inputMapping[FRAG_ATTRIB_MAX];
450 GLuint interpMode[PIPE_MAX_SHADER_INPUTS]; /* XXX size? */
452 enum pipe_error error;
453 const GLbitfield inputsRead = stfp->Base.Base.InputsRead;
454 struct ureg_program *ureg;
455 GLboolean write_all = GL_FALSE;
457 ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS];
458 ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS];
459 uint fs_num_inputs = 0;
461 ubyte fs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS];
462 ubyte fs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];
463 uint fs_num_outputs = 0;
466 _mesa_remove_output_reads(&stfp->Base.Base, PROGRAM_OUTPUT);
469 * Convert Mesa program inputs to TGSI input register semantics.
471 for (attr = 0; attr < FRAG_ATTRIB_MAX; attr++) {
472 if (inputsRead & (1 << attr)) {
473 const GLuint slot = fs_num_inputs++;
475 inputMapping[attr] = slot;
478 case FRAG_ATTRIB_WPOS:
479 input_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
480 input_semantic_index[slot] = 0;
481 interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
483 case FRAG_ATTRIB_COL0:
484 input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
485 input_semantic_index[slot] = 0;
486 interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
488 case FRAG_ATTRIB_COL1:
489 input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
490 input_semantic_index[slot] = 1;
491 interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
493 case FRAG_ATTRIB_FOGC:
494 input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
495 input_semantic_index[slot] = 0;
496 interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
498 case FRAG_ATTRIB_FACE:
499 input_semantic_name[slot] = TGSI_SEMANTIC_FACE;
500 input_semantic_index[slot] = 0;
501 interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
503 /* In most cases, there is nothing special about these
504 * inputs, so adopt a convention to use the generic
505 * semantic name and the mesa FRAG_ATTRIB_ number as the
508 * All that is required is that the vertex shader labels
509 * its own outputs similarly, and that the vertex shader
510 * generates at least every output required by the
511 * fragment shader plus fixed-function hardware (such as
514 * There is no requirement that semantic indexes start at
515 * zero or be restricted to a particular range -- nobody
516 * should be building tables based on semantic index.
518 case FRAG_ATTRIB_PNTC:
519 case FRAG_ATTRIB_TEX0:
520 case FRAG_ATTRIB_TEX1:
521 case FRAG_ATTRIB_TEX2:
522 case FRAG_ATTRIB_TEX3:
523 case FRAG_ATTRIB_TEX4:
524 case FRAG_ATTRIB_TEX5:
525 case FRAG_ATTRIB_TEX6:
526 case FRAG_ATTRIB_TEX7:
527 case FRAG_ATTRIB_VAR0:
529 /* Actually, let's try and zero-base this just for
530 * readability of the generated TGSI.
532 assert(attr >= FRAG_ATTRIB_TEX0);
533 input_semantic_index[slot] = (attr - FRAG_ATTRIB_TEX0);
534 input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
535 if (attr == FRAG_ATTRIB_PNTC)
536 interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
538 interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
543 inputMapping[attr] = -1;
548 * Semantics and mapping for outputs
552 GLbitfield64 outputsWritten = stfp->Base.Base.OutputsWritten;
554 /* if z is written, emit that first */
555 if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
556 fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_POSITION;
557 fs_output_semantic_index[fs_num_outputs] = 0;
558 outputMapping[FRAG_RESULT_DEPTH] = fs_num_outputs;
560 outputsWritten &= ~(1 << FRAG_RESULT_DEPTH);
563 if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_STENCIL)) {
564 fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_STENCIL;
565 fs_output_semantic_index[fs_num_outputs] = 0;
566 outputMapping[FRAG_RESULT_STENCIL] = fs_num_outputs;
568 outputsWritten &= ~(1 << FRAG_RESULT_STENCIL);
571 /* handle remaning outputs (color) */
572 for (attr = 0; attr < FRAG_RESULT_MAX; attr++) {
573 if (outputsWritten & BITFIELD64_BIT(attr)) {
575 case FRAG_RESULT_DEPTH:
576 case FRAG_RESULT_STENCIL:
580 case FRAG_RESULT_COLOR:
581 write_all = GL_TRUE; /* fallthrough */
583 assert(attr == FRAG_RESULT_COLOR ||
584 (FRAG_RESULT_DATA0 <= attr && attr < FRAG_RESULT_MAX));
585 fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_COLOR;
586 fs_output_semantic_index[fs_num_outputs] = numColors;
587 outputMapping[attr] = fs_num_outputs;
597 ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT );
601 if (ST_DEBUG & DEBUG_MESA) {
602 _mesa_print_program(&stfp->Base.Base);
603 _mesa_print_program_parameters(st->ctx, &stfp->Base.Base);
606 if (write_all == GL_TRUE)
607 ureg_property_fs_color0_writes_all_cbufs(ureg, 1);
609 error = st_translate_mesa_program(st->ctx,
610 TGSI_PROCESSOR_FRAGMENT,
617 input_semantic_index,
622 fs_output_semantic_name,
623 fs_output_semantic_index, FALSE );
625 stfp->tgsi.tokens = ureg_get_tokens( ureg, NULL );
626 ureg_destroy( ureg );
629 /* fill in variant */
630 variant->driver_shader = pipe->create_fs_state(pipe, &stfp->tgsi);
633 if (ST_DEBUG & DEBUG_TGSI) {
634 tgsi_dump( stfp->tgsi.tokens, 0/*TGSI_DUMP_VERBOSE*/ );
639 /* Free the temporary program made above */
640 struct gl_fragment_program *fp = &stfp->Base;
641 _mesa_reference_fragprog(st->ctx, &fp, NULL);
649 * Translate fragment program if needed.
651 struct st_fp_variant *
652 st_get_fp_variant(struct st_context *st,
653 struct st_fragment_program *stfp,
654 const struct st_fp_variant_key *key)
656 struct st_fp_variant *fpv;
658 /* Search for existing variant */
659 for (fpv = stfp->variants; fpv; fpv = fpv->next) {
660 if (memcmp(&fpv->key, key, sizeof(*key)) == 0) {
667 fpv = st_translate_fragment_program(st, stfp, key);
669 /* insert into list */
670 fpv->next = stfp->variants;
671 stfp->variants = fpv;
680 * Translate a geometry program to create a new variant.
682 static struct st_gp_variant *
683 st_translate_geometry_program(struct st_context *st,
684 struct st_geometry_program *stgp,
685 const struct st_gp_variant_key *key)
687 GLuint inputMapping[GEOM_ATTRIB_MAX];
688 GLuint outputMapping[GEOM_RESULT_MAX];
689 struct pipe_context *pipe = st->pipe;
690 enum pipe_error error;
692 const GLbitfield inputsRead = stgp->Base.Base.InputsRead;
694 GLuint num_generic = 0;
696 uint gs_num_inputs = 0;
697 uint gs_builtin_inputs = 0;
698 uint gs_array_offset = 0;
700 ubyte gs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS];
701 ubyte gs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];
702 uint gs_num_outputs = 0;
706 struct ureg_program *ureg;
708 struct st_gp_variant *gpv;
710 gpv = CALLOC_STRUCT(st_gp_variant);
714 _mesa_remove_output_reads(&stgp->Base.Base, PROGRAM_OUTPUT);
715 _mesa_remove_output_reads(&stgp->Base.Base, PROGRAM_VARYING);
717 ureg = ureg_create( TGSI_PROCESSOR_GEOMETRY );
723 /* which vertex output goes to the first geometry input */
726 memset(inputMapping, 0, sizeof(inputMapping));
727 memset(outputMapping, 0, sizeof(outputMapping));
730 * Convert Mesa program inputs to TGSI input register semantics.
732 for (attr = 0; attr < GEOM_ATTRIB_MAX; attr++) {
733 if (inputsRead & (1 << attr)) {
734 const GLuint slot = gs_num_inputs;
738 inputMapping[attr] = slot;
740 stgp->input_map[slot + gs_array_offset] = vslot - gs_builtin_inputs;
741 stgp->input_to_index[attr] = vslot;
742 stgp->index_to_input[vslot] = attr;
745 if (attr != GEOM_ATTRIB_PRIMITIVE_ID) {
746 gs_array_offset += 2;
751 debug_printf("input map at %d = %d\n",
752 slot + gs_array_offset, stgp->input_map[slot + gs_array_offset]);
756 case GEOM_ATTRIB_PRIMITIVE_ID:
757 stgp->input_semantic_name[slot] = TGSI_SEMANTIC_PRIMID;
758 stgp->input_semantic_index[slot] = 0;
760 case GEOM_ATTRIB_POSITION:
761 stgp->input_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
762 stgp->input_semantic_index[slot] = 0;
764 case GEOM_ATTRIB_COLOR0:
765 stgp->input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
766 stgp->input_semantic_index[slot] = 0;
768 case GEOM_ATTRIB_COLOR1:
769 stgp->input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
770 stgp->input_semantic_index[slot] = 1;
772 case GEOM_ATTRIB_FOG_FRAG_COORD:
773 stgp->input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
774 stgp->input_semantic_index[slot] = 0;
776 case GEOM_ATTRIB_TEX_COORD:
777 stgp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
778 stgp->input_semantic_index[slot] = num_generic++;
780 case GEOM_ATTRIB_VAR0:
783 stgp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
784 stgp->input_semantic_index[slot] = num_generic++;
789 /* initialize output semantics to defaults */
790 for (i = 0; i < PIPE_MAX_SHADER_OUTPUTS; i++) {
791 gs_output_semantic_name[i] = TGSI_SEMANTIC_GENERIC;
792 gs_output_semantic_index[i] = 0;
797 * Determine number of outputs, the (default) output register
798 * mapping and the semantic information for each output.
800 for (attr = 0; attr < GEOM_RESULT_MAX; attr++) {
801 if (stgp->Base.Base.OutputsWritten & BITFIELD64_BIT(attr)) {
804 slot = gs_num_outputs;
806 outputMapping[attr] = slot;
809 case GEOM_RESULT_POS:
811 gs_output_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
812 gs_output_semantic_index[slot] = 0;
814 case GEOM_RESULT_COL0:
815 gs_output_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
816 gs_output_semantic_index[slot] = 0;
818 case GEOM_RESULT_COL1:
819 gs_output_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
820 gs_output_semantic_index[slot] = 1;
822 case GEOM_RESULT_SCOL0:
823 gs_output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR;
824 gs_output_semantic_index[slot] = 0;
826 case GEOM_RESULT_SCOL1:
827 gs_output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR;
828 gs_output_semantic_index[slot] = 1;
830 case GEOM_RESULT_FOGC:
831 gs_output_semantic_name[slot] = TGSI_SEMANTIC_FOG;
832 gs_output_semantic_index[slot] = 0;
834 case GEOM_RESULT_PSIZ:
835 gs_output_semantic_name[slot] = TGSI_SEMANTIC_PSIZE;
836 gs_output_semantic_index[slot] = 0;
838 case GEOM_RESULT_TEX0:
839 case GEOM_RESULT_TEX1:
840 case GEOM_RESULT_TEX2:
841 case GEOM_RESULT_TEX3:
842 case GEOM_RESULT_TEX4:
843 case GEOM_RESULT_TEX5:
844 case GEOM_RESULT_TEX6:
845 case GEOM_RESULT_TEX7:
847 case GEOM_RESULT_VAR0:
850 assert(slot < Elements(gs_output_semantic_name));
851 /* use default semantic info */
852 gs_output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
853 gs_output_semantic_index[slot] = num_generic++;
858 assert(gs_output_semantic_name[0] == TGSI_SEMANTIC_POSITION);
860 /* find max output slot referenced to compute gs_num_outputs */
861 for (attr = 0; attr < GEOM_RESULT_MAX; attr++) {
862 if (outputMapping[attr] != ~0 && outputMapping[attr] > maxSlot)
863 maxSlot = outputMapping[attr];
865 gs_num_outputs = maxSlot + 1;
870 printf("outputMapping? %d\n", outputMapping ? 1 : 0);
872 printf("attr -> slot\n");
873 for (i = 0; i < 16; i++) {
874 printf(" %2d %3d\n", i, outputMapping[i]);
877 printf("slot sem_name sem_index\n");
878 for (i = 0; i < gs_num_outputs; i++) {
879 printf(" %2d %d %d\n",
881 gs_output_semantic_name[i],
882 gs_output_semantic_index[i]);
887 /* free old shader state, if any */
888 if (stgp->tgsi.tokens) {
889 st_free_tokens(stgp->tgsi.tokens);
890 stgp->tgsi.tokens = NULL;
893 ureg_property_gs_input_prim(ureg, stgp->Base.InputType);
894 ureg_property_gs_output_prim(ureg, stgp->Base.OutputType);
895 ureg_property_gs_max_vertices(ureg, stgp->Base.VerticesOut);
897 error = st_translate_mesa_program(st->ctx,
898 TGSI_PROCESSOR_GEOMETRY,
904 stgp->input_semantic_name,
905 stgp->input_semantic_index,
910 gs_output_semantic_name,
911 gs_output_semantic_index,
914 stgp->num_inputs = gs_num_inputs;
915 stgp->tgsi.tokens = ureg_get_tokens( ureg, NULL );
916 ureg_destroy( ureg );
918 /* fill in new variant */
919 gpv->driver_shader = pipe->create_gs_state(pipe, &stgp->tgsi);
922 if ((ST_DEBUG & DEBUG_TGSI) && (ST_DEBUG & DEBUG_MESA)) {
923 _mesa_print_program(&stgp->Base.Base);
927 if (ST_DEBUG & DEBUG_TGSI) {
928 tgsi_dump(stgp->tgsi.tokens, 0);
937 * Get/create geometry program variant.
939 struct st_gp_variant *
940 st_get_gp_variant(struct st_context *st,
941 struct st_geometry_program *stgp,
942 const struct st_gp_variant_key *key)
944 struct st_gp_variant *gpv;
946 /* Search for existing variant */
947 for (gpv = stgp->variants; gpv; gpv = gpv->next) {
948 if (memcmp(&gpv->key, key, sizeof(*key)) == 0) {
955 gpv = st_translate_geometry_program(st, stgp, key);
957 /* insert into list */
958 gpv->next = stgp->variants;
959 stgp->variants = gpv;
970 * Debug- print current shader text
973 st_print_shaders(struct gl_context *ctx)
975 struct gl_shader_program *shProg[3] = {
976 ctx->Shader.CurrentVertexProgram,
977 ctx->Shader.CurrentGeometryProgram,
978 ctx->Shader.CurrentFragmentProgram,
982 for (j = 0; j < 3; j++) {
985 if (shProg[j] == NULL)
988 for (i = 0; i < shProg[j]->NumShaders; i++) {
989 struct gl_shader *sh;
991 switch (shProg[j]->Shaders[i]->Type) {
992 case GL_VERTEX_SHADER:
993 sh = (i != 0) ? NULL : shProg[j]->Shaders[i];
995 case GL_GEOMETRY_SHADER_ARB:
996 sh = (i != 1) ? NULL : shProg[j]->Shaders[i];
998 case GL_FRAGMENT_SHADER:
999 sh = (i != 2) ? NULL : shProg[j]->Shaders[i];
1008 printf("GLSL shader %u of %u:\n", i, shProg[j]->NumShaders);
1009 printf("%s\n", sh->Source);
1017 * Vert/Geom/Frag programs have per-context variants. Free all the
1018 * variants attached to the given program which match the given context.
1021 destroy_program_variants(struct st_context *st, struct gl_program *program)
1026 switch (program->Target) {
1027 case GL_VERTEX_PROGRAM_ARB:
1029 struct st_vertex_program *stvp = (struct st_vertex_program *) program;
1030 struct st_vp_variant *vpv, **prevPtr = &stvp->variants;
1032 for (vpv = stvp->variants; vpv; ) {
1033 struct st_vp_variant *next = vpv->next;
1034 if (vpv->key.st == st) {
1035 /* unlink from list */
1037 /* destroy this variant */
1038 delete_vp_variant(st, vpv);
1041 prevPtr = &vpv->next;
1047 case GL_FRAGMENT_PROGRAM_ARB:
1049 struct st_fragment_program *stfp =
1050 (struct st_fragment_program *) program;
1051 struct st_fp_variant *fpv, **prevPtr = &stfp->variants;
1053 for (fpv = stfp->variants; fpv; ) {
1054 struct st_fp_variant *next = fpv->next;
1055 if (fpv->key.st == st) {
1056 /* unlink from list */
1058 /* destroy this variant */
1059 delete_fp_variant(st, fpv);
1062 prevPtr = &fpv->next;
1068 case MESA_GEOMETRY_PROGRAM:
1070 struct st_geometry_program *stgp =
1071 (struct st_geometry_program *) program;
1072 struct st_gp_variant *gpv, **prevPtr = &stgp->variants;
1074 for (gpv = stgp->variants; gpv; ) {
1075 struct st_gp_variant *next = gpv->next;
1076 if (gpv->key.st == st) {
1077 /* unlink from list */
1079 /* destroy this variant */
1080 delete_gp_variant(st, gpv);
1083 prevPtr = &gpv->next;
1090 _mesa_problem(NULL, "Unexpected program target 0x%x in "
1091 "destroy_program_variants_cb()", program->Target);
1097 * Callback for _mesa_HashWalk. Free all the shader's program variants
1098 * which match the given context.
1101 destroy_shader_program_variants_cb(GLuint key, void *data, void *userData)
1103 struct st_context *st = (struct st_context *) userData;
1104 struct gl_shader *shader = (struct gl_shader *) data;
1106 switch (shader->Type) {
1107 case GL_SHADER_PROGRAM_MESA:
1109 struct gl_shader_program *shProg = (struct gl_shader_program *) data;
1112 for (i = 0; i < shProg->NumShaders; i++) {
1113 destroy_program_variants(st, shProg->Shaders[i]->Program);
1116 destroy_program_variants(st, (struct gl_program *)
1117 shProg->VertexProgram);
1118 destroy_program_variants(st, (struct gl_program *)
1119 shProg->FragmentProgram);
1120 destroy_program_variants(st, (struct gl_program *)
1121 shProg->GeometryProgram);
1124 case GL_VERTEX_SHADER:
1125 case GL_FRAGMENT_SHADER:
1126 case GL_GEOMETRY_SHADER:
1128 destroy_program_variants(st, shader->Program);
1138 * Callback for _mesa_HashWalk. Free all the program variants which match
1139 * the given context.
1142 destroy_program_variants_cb(GLuint key, void *data, void *userData)
1144 struct st_context *st = (struct st_context *) userData;
1145 struct gl_program *program = (struct gl_program *) data;
1146 destroy_program_variants(st, program);
1151 * Walk over all shaders and programs to delete any variants which
1152 * belong to the given context.
1153 * This is called during context tear-down.
1156 st_destroy_program_variants(struct st_context *st)
1158 /* ARB vert/frag program */
1159 _mesa_HashWalk(st->ctx->Shared->Programs,
1160 destroy_program_variants_cb, st);
1162 /* GLSL vert/frag/geom shaders */
1163 _mesa_HashWalk(st->ctx->Shared->ShaderObjects,
1164 destroy_shader_program_variants_cb, st);