1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
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 VMWARE 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 <keithw@vmware.com>
34 #include "main/imports.h"
35 #include "main/hash.h"
36 #include "main/mtypes.h"
37 #include "program/prog_parameter.h"
38 #include "program/prog_print.h"
39 #include "program/programopt.h"
41 #include "compiler/nir/nir.h"
43 #include "pipe/p_context.h"
44 #include "pipe/p_defines.h"
45 #include "pipe/p_shader_tokens.h"
46 #include "draw/draw_context.h"
47 #include "tgsi/tgsi_dump.h"
48 #include "tgsi/tgsi_emulate.h"
49 #include "tgsi/tgsi_parse.h"
50 #include "tgsi/tgsi_ureg.h"
53 #include "st_cb_bitmap.h"
54 #include "st_cb_drawpixels.h"
55 #include "st_context.h"
56 #include "st_tgsi_lower_yuv.h"
57 #include "st_program.h"
58 #include "st_mesa_to_tgsi.h"
59 #include "st_atifs_to_tgsi.h"
61 #include "st_shader_cache.h"
62 #include "cso_cache/cso_context.h"
67 set_affected_state_flags(uint64_t *states
,
68 struct gl_program
*prog
,
69 uint64_t new_constants
,
70 uint64_t new_sampler_views
,
71 uint64_t new_samplers
,
77 if (prog
->Parameters
->NumParameters
)
78 *states
|= new_constants
;
80 if (prog
->info
.num_textures
)
81 *states
|= new_sampler_views
| new_samplers
;
83 if (prog
->info
.num_images
)
84 *states
|= new_images
;
86 if (prog
->info
.num_ubos
)
89 if (prog
->info
.num_ssbos
)
92 if (prog
->info
.num_abos
)
93 *states
|= new_atomics
;
97 * This determines which states will be updated when the shader is bound.
100 st_set_prog_affected_state_flags(struct gl_program
*prog
)
104 switch (prog
->info
.stage
) {
105 case MESA_SHADER_VERTEX
:
106 states
= &((struct st_vertex_program
*)prog
)->affected_states
;
108 *states
= ST_NEW_VS_STATE
|
110 ST_NEW_VERTEX_ARRAYS
;
112 set_affected_state_flags(states
, prog
,
114 ST_NEW_VS_SAMPLER_VIEWS
,
122 case MESA_SHADER_TESS_CTRL
:
123 states
= &((struct st_tessctrl_program
*)prog
)->affected_states
;
125 *states
= ST_NEW_TCS_STATE
;
127 set_affected_state_flags(states
, prog
,
128 ST_NEW_TCS_CONSTANTS
,
129 ST_NEW_TCS_SAMPLER_VIEWS
,
137 case MESA_SHADER_TESS_EVAL
:
138 states
= &((struct st_tesseval_program
*)prog
)->affected_states
;
140 *states
= ST_NEW_TES_STATE
|
143 set_affected_state_flags(states
, prog
,
144 ST_NEW_TES_CONSTANTS
,
145 ST_NEW_TES_SAMPLER_VIEWS
,
153 case MESA_SHADER_GEOMETRY
:
154 states
= &((struct st_geometry_program
*)prog
)->affected_states
;
156 *states
= ST_NEW_GS_STATE
|
159 set_affected_state_flags(states
, prog
,
161 ST_NEW_GS_SAMPLER_VIEWS
,
169 case MESA_SHADER_FRAGMENT
:
170 states
= &((struct st_fragment_program
*)prog
)->affected_states
;
172 /* gl_FragCoord and glDrawPixels always use constants. */
173 *states
= ST_NEW_FS_STATE
|
174 ST_NEW_SAMPLE_SHADING
|
177 set_affected_state_flags(states
, prog
,
179 ST_NEW_FS_SAMPLER_VIEWS
,
187 case MESA_SHADER_COMPUTE
:
188 states
= &((struct st_compute_program
*)prog
)->affected_states
;
190 *states
= ST_NEW_CS_STATE
;
192 set_affected_state_flags(states
, prog
,
194 ST_NEW_CS_SAMPLER_VIEWS
,
203 unreachable("unhandled shader stage");
208 * Delete a vertex program variant. Note the caller must unlink
209 * the variant from the linked list.
212 delete_vp_variant(struct st_context
*st
, struct st_vp_variant
*vpv
)
214 if (vpv
->driver_shader
)
215 cso_delete_vertex_shader(st
->cso_context
, vpv
->driver_shader
);
217 if (vpv
->draw_shader
)
218 draw_delete_vertex_shader( st
->draw
, vpv
->draw_shader
);
220 if (((vpv
->tgsi
.type
== PIPE_SHADER_IR_TGSI
)) && vpv
->tgsi
.tokens
)
221 ureg_free_tokens(vpv
->tgsi
.tokens
);
229 * Clean out any old compilations:
232 st_release_vp_variants( struct st_context
*st
,
233 struct st_vertex_program
*stvp
)
235 struct st_vp_variant
*vpv
;
237 for (vpv
= stvp
->variants
; vpv
; ) {
238 struct st_vp_variant
*next
= vpv
->next
;
239 delete_vp_variant(st
, vpv
);
243 stvp
->variants
= NULL
;
245 if ((stvp
->tgsi
.type
== PIPE_SHADER_IR_TGSI
) && stvp
->tgsi
.tokens
) {
246 tgsi_free_tokens(stvp
->tgsi
.tokens
);
247 stvp
->tgsi
.tokens
= NULL
;
254 * Delete a fragment program variant. Note the caller must unlink
255 * the variant from the linked list.
258 delete_fp_variant(struct st_context
*st
, struct st_fp_variant
*fpv
)
260 if (fpv
->driver_shader
)
261 cso_delete_fragment_shader(st
->cso_context
, fpv
->driver_shader
);
267 * Free all variants of a fragment program.
270 st_release_fp_variants(struct st_context
*st
, struct st_fragment_program
*stfp
)
272 struct st_fp_variant
*fpv
;
274 for (fpv
= stfp
->variants
; fpv
; ) {
275 struct st_fp_variant
*next
= fpv
->next
;
276 delete_fp_variant(st
, fpv
);
280 stfp
->variants
= NULL
;
282 if ((stfp
->tgsi
.type
== PIPE_SHADER_IR_TGSI
) && stfp
->tgsi
.tokens
) {
283 ureg_free_tokens(stfp
->tgsi
.tokens
);
284 stfp
->tgsi
.tokens
= NULL
;
290 * Delete a basic program variant. Note the caller must unlink
291 * the variant from the linked list.
294 delete_basic_variant(struct st_context
*st
, struct st_basic_variant
*v
,
297 if (v
->driver_shader
) {
299 case GL_TESS_CONTROL_PROGRAM_NV
:
300 cso_delete_tessctrl_shader(st
->cso_context
, v
->driver_shader
);
302 case GL_TESS_EVALUATION_PROGRAM_NV
:
303 cso_delete_tesseval_shader(st
->cso_context
, v
->driver_shader
);
305 case GL_GEOMETRY_PROGRAM_NV
:
306 cso_delete_geometry_shader(st
->cso_context
, v
->driver_shader
);
308 case GL_COMPUTE_PROGRAM_NV
:
309 cso_delete_compute_shader(st
->cso_context
, v
->driver_shader
);
312 assert(!"this shouldn't occur");
321 * Free all basic program variants.
324 st_release_basic_variants(struct st_context
*st
, GLenum target
,
325 struct st_basic_variant
**variants
,
326 struct pipe_shader_state
*tgsi
)
328 struct st_basic_variant
*v
;
330 for (v
= *variants
; v
; ) {
331 struct st_basic_variant
*next
= v
->next
;
332 delete_basic_variant(st
, v
, target
);
339 ureg_free_tokens(tgsi
->tokens
);
346 * Free all variants of a compute program.
349 st_release_cp_variants(struct st_context
*st
, struct st_compute_program
*stcp
)
351 struct st_basic_variant
**variants
= &stcp
->variants
;
352 struct st_basic_variant
*v
;
354 for (v
= *variants
; v
; ) {
355 struct st_basic_variant
*next
= v
->next
;
356 delete_basic_variant(st
, v
, stcp
->Base
.Target
);
362 if (stcp
->tgsi
.prog
) {
363 ureg_free_tokens(stcp
->tgsi
.prog
);
364 stcp
->tgsi
.prog
= NULL
;
369 * Translate a vertex program.
372 st_translate_vertex_program(struct st_context
*st
,
373 struct st_vertex_program
*stvp
)
375 struct ureg_program
*ureg
;
376 enum pipe_error error
;
377 unsigned num_outputs
= 0;
379 ubyte input_to_index
[VERT_ATTRIB_MAX
] = {0};
380 ubyte output_semantic_name
[VARYING_SLOT_MAX
] = {0};
381 ubyte output_semantic_index
[VARYING_SLOT_MAX
] = {0};
383 stvp
->num_inputs
= 0;
385 if (stvp
->Base
.arb
.IsPositionInvariant
)
386 _mesa_insert_mvp_code(st
->ctx
, &stvp
->Base
);
389 * Determine number of inputs, the mappings between VERT_ATTRIB_x
390 * and TGSI generic input indexes, plus input attrib semantic info.
392 for (attr
= 0; attr
< VERT_ATTRIB_MAX
; attr
++) {
393 if ((stvp
->Base
.info
.inputs_read
& BITFIELD64_BIT(attr
)) != 0) {
394 input_to_index
[attr
] = stvp
->num_inputs
;
395 stvp
->index_to_input
[stvp
->num_inputs
] = attr
;
397 if ((stvp
->Base
.info
.double_inputs_read
&
398 BITFIELD64_BIT(attr
)) != 0) {
399 /* add placeholder for second part of a double attribute */
400 stvp
->index_to_input
[stvp
->num_inputs
] = ST_DOUBLE_ATTRIB_PLACEHOLDER
;
405 /* bit of a hack, presetup potentially unused edgeflag input */
406 input_to_index
[VERT_ATTRIB_EDGEFLAG
] = stvp
->num_inputs
;
407 stvp
->index_to_input
[stvp
->num_inputs
] = VERT_ATTRIB_EDGEFLAG
;
409 /* Compute mapping of vertex program outputs to slots.
411 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
412 if ((stvp
->Base
.info
.outputs_written
& BITFIELD64_BIT(attr
)) == 0) {
413 stvp
->result_to_output
[attr
] = ~0;
416 unsigned slot
= num_outputs
++;
418 stvp
->result_to_output
[attr
] = slot
;
421 case VARYING_SLOT_POS
:
422 output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
423 output_semantic_index
[slot
] = 0;
425 case VARYING_SLOT_COL0
:
426 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
427 output_semantic_index
[slot
] = 0;
429 case VARYING_SLOT_COL1
:
430 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
431 output_semantic_index
[slot
] = 1;
433 case VARYING_SLOT_BFC0
:
434 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
435 output_semantic_index
[slot
] = 0;
437 case VARYING_SLOT_BFC1
:
438 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
439 output_semantic_index
[slot
] = 1;
441 case VARYING_SLOT_FOGC
:
442 output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
443 output_semantic_index
[slot
] = 0;
445 case VARYING_SLOT_PSIZ
:
446 output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
447 output_semantic_index
[slot
] = 0;
449 case VARYING_SLOT_CLIP_DIST0
:
450 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
451 output_semantic_index
[slot
] = 0;
453 case VARYING_SLOT_CLIP_DIST1
:
454 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
455 output_semantic_index
[slot
] = 1;
457 case VARYING_SLOT_CULL_DIST0
:
458 case VARYING_SLOT_CULL_DIST1
:
459 /* these should have been lowered by GLSL */
462 case VARYING_SLOT_EDGE
:
465 case VARYING_SLOT_CLIP_VERTEX
:
466 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
467 output_semantic_index
[slot
] = 0;
469 case VARYING_SLOT_LAYER
:
470 output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
471 output_semantic_index
[slot
] = 0;
473 case VARYING_SLOT_VIEWPORT
:
474 output_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
475 output_semantic_index
[slot
] = 0;
478 case VARYING_SLOT_TEX0
:
479 case VARYING_SLOT_TEX1
:
480 case VARYING_SLOT_TEX2
:
481 case VARYING_SLOT_TEX3
:
482 case VARYING_SLOT_TEX4
:
483 case VARYING_SLOT_TEX5
:
484 case VARYING_SLOT_TEX6
:
485 case VARYING_SLOT_TEX7
:
486 if (st
->needs_texcoord_semantic
) {
487 output_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
488 output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
492 case VARYING_SLOT_VAR0
:
494 assert(attr
>= VARYING_SLOT_VAR0
||
495 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
496 output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
497 output_semantic_index
[slot
] =
498 st_get_generic_varying_index(st
, attr
);
503 /* similar hack to above, presetup potentially unused edgeflag output */
504 stvp
->result_to_output
[VARYING_SLOT_EDGE
] = num_outputs
;
505 output_semantic_name
[num_outputs
] = TGSI_SEMANTIC_EDGEFLAG
;
506 output_semantic_index
[num_outputs
] = 0;
509 if (!stvp
->glsl_to_tgsi
&& !stvp
->shader_program
) {
510 _mesa_remove_output_reads(&stvp
->Base
, PROGRAM_OUTPUT
);
512 /* This determines which states will be updated when the assembly
515 stvp
->affected_states
= ST_NEW_VS_STATE
|
517 ST_NEW_VERTEX_ARRAYS
;
519 if (stvp
->Base
.Parameters
->NumParameters
)
520 stvp
->affected_states
|= ST_NEW_VS_CONSTANTS
;
522 /* No samplers are allowed in ARB_vp. */
525 if (stvp
->shader_program
) {
526 nir_shader
*nir
= st_glsl_to_nir(st
, &stvp
->Base
, stvp
->shader_program
,
529 stvp
->tgsi
.type
= PIPE_SHADER_IR_NIR
;
530 stvp
->tgsi
.ir
.nir
= nir
;
532 struct gl_program
*prog
= stvp
->shader_program
->last_vert_prog
;
534 st_translate_stream_output_info2(prog
->sh
.LinkedTransformFeedback
,
535 stvp
->result_to_output
,
536 &stvp
->tgsi
.stream_output
);
542 ureg
= ureg_create_with_screen(PIPE_SHADER_VERTEX
, st
->pipe
->screen
);
546 if (stvp
->Base
.info
.clip_distance_array_size
)
547 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
548 stvp
->Base
.info
.clip_distance_array_size
);
549 if (stvp
->Base
.info
.cull_distance_array_size
)
550 ureg_property(ureg
, TGSI_PROPERTY_NUM_CULLDIST_ENABLED
,
551 stvp
->Base
.info
.cull_distance_array_size
);
553 if (ST_DEBUG
& DEBUG_MESA
) {
554 _mesa_print_program(&stvp
->Base
);
555 _mesa_print_program_parameters(st
->ctx
, &stvp
->Base
);
559 if (stvp
->glsl_to_tgsi
) {
560 error
= st_translate_program(st
->ctx
,
568 NULL
, /* inputSlotToAttr */
569 NULL
, /* input semantic name */
570 NULL
, /* input semantic index */
571 NULL
, /* interp mode */
574 stvp
->result_to_output
,
575 output_semantic_name
,
576 output_semantic_index
);
578 st_translate_stream_output_info(stvp
->glsl_to_tgsi
,
579 stvp
->result_to_output
,
580 &stvp
->tgsi
.stream_output
);
582 free_glsl_to_tgsi_visitor(stvp
->glsl_to_tgsi
);
584 error
= st_translate_mesa_program(st
->ctx
,
591 NULL
, /* input semantic name */
592 NULL
, /* input semantic index */
596 stvp
->result_to_output
,
597 output_semantic_name
,
598 output_semantic_index
);
601 debug_printf("%s: failed to translate Mesa program:\n", __func__
);
602 _mesa_print_program(&stvp
->Base
);
608 stvp
->tgsi
.tokens
= ureg_get_tokens(ureg
, &num_tokens
);
611 if (stvp
->glsl_to_tgsi
) {
612 stvp
->glsl_to_tgsi
= NULL
;
613 st_store_tgsi_in_disk_cache(st
, &stvp
->Base
, NULL
, num_tokens
);
616 return stvp
->tgsi
.tokens
!= NULL
;
619 static struct st_vp_variant
*
620 st_create_vp_variant(struct st_context
*st
,
621 struct st_vertex_program
*stvp
,
622 const struct st_vp_variant_key
*key
)
624 struct st_vp_variant
*vpv
= CALLOC_STRUCT(st_vp_variant
);
625 struct pipe_context
*pipe
= st
->pipe
;
628 vpv
->tgsi
.stream_output
= stvp
->tgsi
.stream_output
;
629 vpv
->num_inputs
= stvp
->num_inputs
;
631 if (stvp
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
632 vpv
->tgsi
.type
= PIPE_SHADER_IR_NIR
;
633 vpv
->tgsi
.ir
.nir
= nir_shader_clone(NULL
, stvp
->tgsi
.ir
.nir
);
634 if (key
->clamp_color
)
635 NIR_PASS_V(vpv
->tgsi
.ir
.nir
, nir_lower_clamp_color_outputs
);
636 if (key
->passthrough_edgeflags
)
637 NIR_PASS_V(vpv
->tgsi
.ir
.nir
, nir_lower_passthrough_edgeflags
);
639 st_finalize_nir(st
, &stvp
->Base
, vpv
->tgsi
.ir
.nir
);
641 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
642 /* driver takes ownership of IR: */
643 vpv
->tgsi
.ir
.nir
= NULL
;
647 vpv
->tgsi
.tokens
= tgsi_dup_tokens(stvp
->tgsi
.tokens
);
649 /* Emulate features. */
650 if (key
->clamp_color
|| key
->passthrough_edgeflags
) {
651 const struct tgsi_token
*tokens
;
653 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
654 (key
->passthrough_edgeflags
? TGSI_EMU_PASSTHROUGH_EDGEFLAG
: 0);
656 tokens
= tgsi_emulate(vpv
->tgsi
.tokens
, flags
);
659 tgsi_free_tokens(vpv
->tgsi
.tokens
);
660 vpv
->tgsi
.tokens
= tokens
;
662 if (key
->passthrough_edgeflags
)
665 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
668 if (ST_DEBUG
& DEBUG_TGSI
) {
669 tgsi_dump(vpv
->tgsi
.tokens
, 0);
673 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
679 * Find/create a vertex program variant.
681 struct st_vp_variant
*
682 st_get_vp_variant(struct st_context
*st
,
683 struct st_vertex_program
*stvp
,
684 const struct st_vp_variant_key
*key
)
686 struct st_vp_variant
*vpv
;
688 /* Search for existing variant */
689 for (vpv
= stvp
->variants
; vpv
; vpv
= vpv
->next
) {
690 if (memcmp(&vpv
->key
, key
, sizeof(*key
)) == 0) {
697 vpv
= st_create_vp_variant(st
, stvp
, key
);
699 /* insert into list */
700 vpv
->next
= stvp
->variants
;
701 stvp
->variants
= vpv
;
710 * Translate a Mesa fragment shader into a TGSI shader.
713 st_translate_fragment_program(struct st_context
*st
,
714 struct st_fragment_program
*stfp
)
716 ubyte outputMapping
[2 * FRAG_RESULT_MAX
];
717 ubyte inputMapping
[VARYING_SLOT_MAX
];
718 ubyte inputSlotToAttr
[VARYING_SLOT_MAX
];
719 ubyte interpMode
[PIPE_MAX_SHADER_INPUTS
]; /* XXX size? */
721 GLbitfield64 inputsRead
;
722 struct ureg_program
*ureg
;
724 GLboolean write_all
= GL_FALSE
;
726 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
727 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
728 uint fs_num_inputs
= 0;
730 ubyte fs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
731 ubyte fs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
732 uint fs_num_outputs
= 0;
734 memset(inputSlotToAttr
, ~0, sizeof(inputSlotToAttr
));
736 /* Non-GLSL programs: */
737 if (!stfp
->glsl_to_tgsi
&& !stfp
->shader_program
) {
738 _mesa_remove_output_reads(&stfp
->Base
, PROGRAM_OUTPUT
);
739 if (st
->ctx
->Const
.GLSLFragCoordIsSysVal
)
740 _mesa_program_fragment_position_to_sysval(&stfp
->Base
);
742 /* This determines which states will be updated when the assembly
745 * fragment.position and glDrawPixels always use constants.
747 stfp
->affected_states
= ST_NEW_FS_STATE
|
748 ST_NEW_SAMPLE_SHADING
|
752 /* Just set them for ATI_fs unconditionally. */
753 stfp
->affected_states
|= ST_NEW_FS_SAMPLER_VIEWS
|
757 if (stfp
->Base
.SamplersUsed
)
758 stfp
->affected_states
|= ST_NEW_FS_SAMPLER_VIEWS
|
764 * Convert Mesa program inputs to TGSI input register semantics.
766 inputsRead
= stfp
->Base
.info
.inputs_read
;
767 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
768 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
769 const GLuint slot
= fs_num_inputs
++;
771 inputMapping
[attr
] = slot
;
772 inputSlotToAttr
[slot
] = attr
;
775 case VARYING_SLOT_POS
:
776 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
777 input_semantic_index
[slot
] = 0;
778 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
780 case VARYING_SLOT_COL0
:
781 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
782 input_semantic_index
[slot
] = 0;
783 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
784 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_COLOR
;
786 case VARYING_SLOT_COL1
:
787 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
788 input_semantic_index
[slot
] = 1;
789 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
790 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_COLOR
;
792 case VARYING_SLOT_FOGC
:
793 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
794 input_semantic_index
[slot
] = 0;
795 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
797 case VARYING_SLOT_FACE
:
798 input_semantic_name
[slot
] = TGSI_SEMANTIC_FACE
;
799 input_semantic_index
[slot
] = 0;
800 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
802 case VARYING_SLOT_PRIMITIVE_ID
:
803 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
804 input_semantic_index
[slot
] = 0;
805 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
807 case VARYING_SLOT_LAYER
:
808 input_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
809 input_semantic_index
[slot
] = 0;
810 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
812 case VARYING_SLOT_VIEWPORT
:
813 input_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
814 input_semantic_index
[slot
] = 0;
815 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
817 case VARYING_SLOT_CLIP_DIST0
:
818 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
819 input_semantic_index
[slot
] = 0;
820 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
822 case VARYING_SLOT_CLIP_DIST1
:
823 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
824 input_semantic_index
[slot
] = 1;
825 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
827 case VARYING_SLOT_CULL_DIST0
:
828 case VARYING_SLOT_CULL_DIST1
:
829 /* these should have been lowered by GLSL */
832 /* In most cases, there is nothing special about these
833 * inputs, so adopt a convention to use the generic
834 * semantic name and the mesa VARYING_SLOT_ number as the
837 * All that is required is that the vertex shader labels
838 * its own outputs similarly, and that the vertex shader
839 * generates at least every output required by the
840 * fragment shader plus fixed-function hardware (such as
843 * However, some drivers may need us to identify the PNTC and TEXi
844 * varyings if, for example, their capability to replace them with
845 * sprite coordinates is limited.
847 case VARYING_SLOT_PNTC
:
848 if (st
->needs_texcoord_semantic
) {
849 input_semantic_name
[slot
] = TGSI_SEMANTIC_PCOORD
;
850 input_semantic_index
[slot
] = 0;
851 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
855 case VARYING_SLOT_TEX0
:
856 case VARYING_SLOT_TEX1
:
857 case VARYING_SLOT_TEX2
:
858 case VARYING_SLOT_TEX3
:
859 case VARYING_SLOT_TEX4
:
860 case VARYING_SLOT_TEX5
:
861 case VARYING_SLOT_TEX6
:
862 case VARYING_SLOT_TEX7
:
863 if (st
->needs_texcoord_semantic
) {
864 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
865 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
866 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
867 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_PERSPECTIVE
;
871 case VARYING_SLOT_VAR0
:
873 /* Semantic indices should be zero-based because drivers may choose
874 * to assign a fixed slot determined by that index.
875 * This is useful because ARB_separate_shader_objects uses location
876 * qualifiers for linkage, and if the semantic index corresponds to
877 * these locations, linkage passes in the driver become unecessary.
879 * If needs_texcoord_semantic is true, no semantic indices will be
880 * consumed for the TEXi varyings, and we can base the locations of
881 * the user varyings on VAR0. Otherwise, we use TEX0 as base index.
883 assert(attr
>= VARYING_SLOT_VAR0
|| attr
== VARYING_SLOT_PNTC
||
884 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
885 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
886 input_semantic_index
[slot
] = st_get_generic_varying_index(st
, attr
);
887 if (attr
== VARYING_SLOT_PNTC
)
888 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
890 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
891 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_PERSPECTIVE
;
897 inputMapping
[attr
] = -1;
902 * Semantics and mapping for outputs
904 GLbitfield64 outputsWritten
= stfp
->Base
.info
.outputs_written
;
906 /* if z is written, emit that first */
907 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
908 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_POSITION
;
909 fs_output_semantic_index
[fs_num_outputs
] = 0;
910 outputMapping
[FRAG_RESULT_DEPTH
] = fs_num_outputs
;
912 outputsWritten
&= ~(1 << FRAG_RESULT_DEPTH
);
915 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_STENCIL
)) {
916 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_STENCIL
;
917 fs_output_semantic_index
[fs_num_outputs
] = 0;
918 outputMapping
[FRAG_RESULT_STENCIL
] = fs_num_outputs
;
920 outputsWritten
&= ~(1 << FRAG_RESULT_STENCIL
);
923 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK
)) {
924 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_SAMPLEMASK
;
925 fs_output_semantic_index
[fs_num_outputs
] = 0;
926 outputMapping
[FRAG_RESULT_SAMPLE_MASK
] = fs_num_outputs
;
928 outputsWritten
&= ~(1 << FRAG_RESULT_SAMPLE_MASK
);
931 /* handle remaining outputs (color) */
932 for (attr
= 0; attr
< ARRAY_SIZE(outputMapping
); attr
++) {
933 const GLbitfield64 written
= attr
< FRAG_RESULT_MAX
? outputsWritten
:
934 stfp
->Base
.SecondaryOutputsWritten
;
935 const unsigned loc
= attr
% FRAG_RESULT_MAX
;
937 if (written
& BITFIELD64_BIT(loc
)) {
939 case FRAG_RESULT_DEPTH
:
940 case FRAG_RESULT_STENCIL
:
941 case FRAG_RESULT_SAMPLE_MASK
:
945 case FRAG_RESULT_COLOR
:
946 write_all
= GL_TRUE
; /* fallthrough */
949 assert(loc
== FRAG_RESULT_COLOR
||
950 (FRAG_RESULT_DATA0
<= loc
&& loc
< FRAG_RESULT_MAX
));
952 index
= (loc
== FRAG_RESULT_COLOR
) ? 0 : (loc
- FRAG_RESULT_DATA0
);
954 if (attr
>= FRAG_RESULT_MAX
) {
955 /* Secondary color for dual source blending. */
960 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_COLOR
;
961 fs_output_semantic_index
[fs_num_outputs
] = index
;
962 outputMapping
[attr
] = fs_num_outputs
;
971 if (stfp
->shader_program
) {
972 nir_shader
*nir
= st_glsl_to_nir(st
, &stfp
->Base
, stfp
->shader_program
,
973 MESA_SHADER_FRAGMENT
);
975 stfp
->tgsi
.type
= PIPE_SHADER_IR_NIR
;
976 stfp
->tgsi
.ir
.nir
= nir
;
981 ureg
= ureg_create_with_screen(PIPE_SHADER_FRAGMENT
, st
->pipe
->screen
);
985 if (ST_DEBUG
& DEBUG_MESA
) {
986 _mesa_print_program(&stfp
->Base
);
987 _mesa_print_program_parameters(st
->ctx
, &stfp
->Base
);
990 if (write_all
== GL_TRUE
)
991 ureg_property(ureg
, TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS
, 1);
993 if (stfp
->Base
.info
.fs
.depth_layout
!= FRAG_DEPTH_LAYOUT_NONE
) {
994 switch (stfp
->Base
.info
.fs
.depth_layout
) {
995 case FRAG_DEPTH_LAYOUT_ANY
:
996 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
997 TGSI_FS_DEPTH_LAYOUT_ANY
);
999 case FRAG_DEPTH_LAYOUT_GREATER
:
1000 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1001 TGSI_FS_DEPTH_LAYOUT_GREATER
);
1003 case FRAG_DEPTH_LAYOUT_LESS
:
1004 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1005 TGSI_FS_DEPTH_LAYOUT_LESS
);
1007 case FRAG_DEPTH_LAYOUT_UNCHANGED
:
1008 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1009 TGSI_FS_DEPTH_LAYOUT_UNCHANGED
);
1016 if (stfp
->glsl_to_tgsi
) {
1017 st_translate_program(st
->ctx
,
1018 PIPE_SHADER_FRAGMENT
,
1026 input_semantic_name
,
1027 input_semantic_index
,
1032 fs_output_semantic_name
,
1033 fs_output_semantic_index
);
1035 free_glsl_to_tgsi_visitor(stfp
->glsl_to_tgsi
);
1036 } else if (stfp
->ati_fs
)
1037 st_translate_atifs_program(ureg
,
1043 input_semantic_name
,
1044 input_semantic_index
,
1049 fs_output_semantic_name
,
1050 fs_output_semantic_index
);
1052 st_translate_mesa_program(st
->ctx
,
1053 PIPE_SHADER_FRAGMENT
,
1059 input_semantic_name
,
1060 input_semantic_index
,
1065 fs_output_semantic_name
,
1066 fs_output_semantic_index
);
1068 unsigned num_tokens
;
1069 stfp
->tgsi
.tokens
= ureg_get_tokens(ureg
, &num_tokens
);
1072 if (stfp
->glsl_to_tgsi
) {
1073 stfp
->glsl_to_tgsi
= NULL
;
1074 st_store_tgsi_in_disk_cache(st
, &stfp
->Base
, NULL
, num_tokens
);
1077 return stfp
->tgsi
.tokens
!= NULL
;
1080 static struct st_fp_variant
*
1081 st_create_fp_variant(struct st_context
*st
,
1082 struct st_fragment_program
*stfp
,
1083 const struct st_fp_variant_key
*key
)
1085 struct pipe_context
*pipe
= st
->pipe
;
1086 struct st_fp_variant
*variant
= CALLOC_STRUCT(st_fp_variant
);
1087 struct pipe_shader_state tgsi
= {0};
1088 struct gl_program_parameter_list
*params
= stfp
->Base
.Parameters
;
1089 static const gl_state_index texcoord_state
[STATE_LENGTH
] =
1090 { STATE_INTERNAL
, STATE_CURRENT_ATTRIB
, VERT_ATTRIB_TEX0
};
1091 static const gl_state_index scale_state
[STATE_LENGTH
] =
1092 { STATE_INTERNAL
, STATE_PT_SCALE
};
1093 static const gl_state_index bias_state
[STATE_LENGTH
] =
1094 { STATE_INTERNAL
, STATE_PT_BIAS
};
1099 if (stfp
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
1100 tgsi
.type
= PIPE_SHADER_IR_NIR
;
1101 tgsi
.ir
.nir
= nir_shader_clone(NULL
, stfp
->tgsi
.ir
.nir
);
1103 if (key
->clamp_color
)
1104 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_clamp_color_outputs
);
1106 if (key
->persample_shading
) {
1107 nir_shader
*shader
= tgsi
.ir
.nir
;
1108 nir_foreach_variable(var
, &shader
->inputs
)
1109 var
->data
.sample
= true;
1112 assert(!(key
->bitmap
&& key
->drawpixels
));
1116 nir_lower_bitmap_options options
= {0};
1118 variant
->bitmap_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1119 options
.sampler
= variant
->bitmap_sampler
;
1120 options
.swizzle_xxxx
= (st
->bitmap
.tex_format
== PIPE_FORMAT_L8_UNORM
);
1122 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_bitmap
, &options
);
1125 /* glDrawPixels (color only) */
1126 if (key
->drawpixels
) {
1127 nir_lower_drawpixels_options options
= {{0}};
1128 unsigned samplers_used
= stfp
->Base
.SamplersUsed
;
1130 /* Find the first unused slot. */
1131 variant
->drawpix_sampler
= ffs(~samplers_used
) - 1;
1132 options
.drawpix_sampler
= variant
->drawpix_sampler
;
1133 samplers_used
|= (1 << variant
->drawpix_sampler
);
1135 options
.pixel_maps
= key
->pixelMaps
;
1136 if (key
->pixelMaps
) {
1137 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
1138 options
.pixelmap_sampler
= variant
->pixelmap_sampler
;
1141 options
.scale_and_bias
= key
->scaleAndBias
;
1142 if (key
->scaleAndBias
) {
1143 _mesa_add_state_reference(params
, scale_state
);
1144 memcpy(options
.scale_state_tokens
, scale_state
,
1145 sizeof(options
.scale_state_tokens
));
1146 _mesa_add_state_reference(params
, bias_state
);
1147 memcpy(options
.bias_state_tokens
, bias_state
,
1148 sizeof(options
.bias_state_tokens
));
1151 _mesa_add_state_reference(params
, texcoord_state
);
1152 memcpy(options
.texcoord_state_tokens
, texcoord_state
,
1153 sizeof(options
.texcoord_state_tokens
));
1155 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_drawpixels
, &options
);
1158 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1159 nir_lower_tex_options options
= {0};
1160 options
.lower_y_uv_external
= key
->external
.lower_nv12
;
1161 options
.lower_y_u_v_external
= key
->external
.lower_iyuv
;
1162 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_tex
, &options
);
1165 st_finalize_nir(st
, &stfp
->Base
, tgsi
.ir
.nir
);
1167 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1168 /* This pass needs to happen *after* nir_lower_sampler */
1169 NIR_PASS_V(tgsi
.ir
.nir
, st_nir_lower_tex_src_plane
,
1170 ~stfp
->Base
.SamplersUsed
,
1171 key
->external
.lower_nv12
,
1172 key
->external
.lower_iyuv
);
1175 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
1176 variant
->key
= *key
;
1181 tgsi
.tokens
= stfp
->tgsi
.tokens
;
1183 assert(!(key
->bitmap
&& key
->drawpixels
));
1185 /* Fix texture targets and add fog for ATI_fs */
1187 const struct tgsi_token
*tokens
= st_fixup_atifs(tgsi
.tokens
, key
);
1190 tgsi
.tokens
= tokens
;
1192 fprintf(stderr
, "mesa: cannot post-process ATI_fs\n");
1195 /* Emulate features. */
1196 if (key
->clamp_color
|| key
->persample_shading
) {
1197 const struct tgsi_token
*tokens
;
1199 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
1200 (key
->persample_shading
? TGSI_EMU_FORCE_PERSAMPLE_INTERP
: 0);
1202 tokens
= tgsi_emulate(tgsi
.tokens
, flags
);
1205 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1206 tgsi_free_tokens(tgsi
.tokens
);
1207 tgsi
.tokens
= tokens
;
1209 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
1214 const struct tgsi_token
*tokens
;
1216 variant
->bitmap_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1218 tokens
= st_get_bitmap_shader(tgsi
.tokens
,
1219 st
->internal_target
,
1220 variant
->bitmap_sampler
,
1221 st
->needs_texcoord_semantic
,
1222 st
->bitmap
.tex_format
==
1223 PIPE_FORMAT_L8_UNORM
);
1226 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1227 tgsi_free_tokens(tgsi
.tokens
);
1228 tgsi
.tokens
= tokens
;
1230 fprintf(stderr
, "mesa: cannot create a shader for glBitmap\n");
1233 /* glDrawPixels (color only) */
1234 if (key
->drawpixels
) {
1235 const struct tgsi_token
*tokens
;
1236 unsigned scale_const
= 0, bias_const
= 0, texcoord_const
= 0;
1238 /* Find the first unused slot. */
1239 variant
->drawpix_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1241 if (key
->pixelMaps
) {
1242 unsigned samplers_used
= stfp
->Base
.SamplersUsed
|
1243 (1 << variant
->drawpix_sampler
);
1245 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
1248 if (key
->scaleAndBias
) {
1249 scale_const
= _mesa_add_state_reference(params
, scale_state
);
1250 bias_const
= _mesa_add_state_reference(params
, bias_state
);
1253 texcoord_const
= _mesa_add_state_reference(params
, texcoord_state
);
1255 tokens
= st_get_drawpix_shader(tgsi
.tokens
,
1256 st
->needs_texcoord_semantic
,
1257 key
->scaleAndBias
, scale_const
,
1258 bias_const
, key
->pixelMaps
,
1259 variant
->drawpix_sampler
,
1260 variant
->pixelmap_sampler
,
1261 texcoord_const
, st
->internal_target
);
1264 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1265 tgsi_free_tokens(tgsi
.tokens
);
1266 tgsi
.tokens
= tokens
;
1268 fprintf(stderr
, "mesa: cannot create a shader for glDrawPixels\n");
1271 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1272 const struct tgsi_token
*tokens
;
1274 /* samplers inserted would conflict, but this should be unpossible: */
1275 assert(!(key
->bitmap
|| key
->drawpixels
));
1277 tokens
= st_tgsi_lower_yuv(tgsi
.tokens
,
1278 ~stfp
->Base
.SamplersUsed
,
1279 key
->external
.lower_nv12
,
1280 key
->external
.lower_iyuv
);
1282 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1283 tgsi_free_tokens(tgsi
.tokens
);
1284 tgsi
.tokens
= tokens
;
1286 fprintf(stderr
, "mesa: cannot create a shader for samplerExternalOES\n");
1290 if (ST_DEBUG
& DEBUG_TGSI
) {
1291 tgsi_dump(tgsi
.tokens
, 0);
1295 /* fill in variant */
1296 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
1297 variant
->key
= *key
;
1299 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1300 tgsi_free_tokens(tgsi
.tokens
);
1305 * Translate fragment program if needed.
1307 struct st_fp_variant
*
1308 st_get_fp_variant(struct st_context
*st
,
1309 struct st_fragment_program
*stfp
,
1310 const struct st_fp_variant_key
*key
)
1312 struct st_fp_variant
*fpv
;
1314 /* Search for existing variant */
1315 for (fpv
= stfp
->variants
; fpv
; fpv
= fpv
->next
) {
1316 if (memcmp(&fpv
->key
, key
, sizeof(*key
)) == 0) {
1323 fpv
= st_create_fp_variant(st
, stfp
, key
);
1325 /* insert into list */
1326 fpv
->next
= stfp
->variants
;
1327 stfp
->variants
= fpv
;
1336 * Translate a program. This is common code for geometry and tessellation
1340 st_translate_program_common(struct st_context
*st
,
1341 struct gl_program
*prog
,
1342 struct glsl_to_tgsi_visitor
*glsl_to_tgsi
,
1343 struct ureg_program
*ureg
,
1344 unsigned tgsi_processor
,
1345 struct pipe_shader_state
*out_state
)
1347 ubyte inputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
1348 ubyte inputMapping
[VARYING_SLOT_TESS_MAX
];
1349 ubyte outputMapping
[VARYING_SLOT_TESS_MAX
];
1352 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
1353 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
1354 uint num_inputs
= 0;
1356 ubyte output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
1357 ubyte output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
1358 uint num_outputs
= 0;
1362 memset(inputSlotToAttr
, 0, sizeof(inputSlotToAttr
));
1363 memset(inputMapping
, 0, sizeof(inputMapping
));
1364 memset(outputMapping
, 0, sizeof(outputMapping
));
1365 memset(out_state
, 0, sizeof(*out_state
));
1367 if (prog
->info
.clip_distance_array_size
)
1368 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
1369 prog
->info
.clip_distance_array_size
);
1370 if (prog
->info
.cull_distance_array_size
)
1371 ureg_property(ureg
, TGSI_PROPERTY_NUM_CULLDIST_ENABLED
,
1372 prog
->info
.cull_distance_array_size
);
1375 * Convert Mesa program inputs to TGSI input register semantics.
1377 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1378 if ((prog
->info
.inputs_read
& BITFIELD64_BIT(attr
)) != 0) {
1379 const GLuint slot
= num_inputs
++;
1381 inputMapping
[attr
] = slot
;
1382 inputSlotToAttr
[slot
] = attr
;
1385 case VARYING_SLOT_PRIMITIVE_ID
:
1386 assert(tgsi_processor
== PIPE_SHADER_GEOMETRY
);
1387 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
1388 input_semantic_index
[slot
] = 0;
1390 case VARYING_SLOT_POS
:
1391 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
1392 input_semantic_index
[slot
] = 0;
1394 case VARYING_SLOT_COL0
:
1395 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1396 input_semantic_index
[slot
] = 0;
1398 case VARYING_SLOT_COL1
:
1399 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1400 input_semantic_index
[slot
] = 1;
1402 case VARYING_SLOT_FOGC
:
1403 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1404 input_semantic_index
[slot
] = 0;
1406 case VARYING_SLOT_CLIP_VERTEX
:
1407 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1408 input_semantic_index
[slot
] = 0;
1410 case VARYING_SLOT_CLIP_DIST0
:
1411 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1412 input_semantic_index
[slot
] = 0;
1414 case VARYING_SLOT_CLIP_DIST1
:
1415 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1416 input_semantic_index
[slot
] = 1;
1418 case VARYING_SLOT_CULL_DIST0
:
1419 case VARYING_SLOT_CULL_DIST1
:
1420 /* these should have been lowered by GLSL */
1423 case VARYING_SLOT_PSIZ
:
1424 input_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1425 input_semantic_index
[slot
] = 0;
1427 case VARYING_SLOT_TEX0
:
1428 case VARYING_SLOT_TEX1
:
1429 case VARYING_SLOT_TEX2
:
1430 case VARYING_SLOT_TEX3
:
1431 case VARYING_SLOT_TEX4
:
1432 case VARYING_SLOT_TEX5
:
1433 case VARYING_SLOT_TEX6
:
1434 case VARYING_SLOT_TEX7
:
1435 if (st
->needs_texcoord_semantic
) {
1436 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1437 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1441 case VARYING_SLOT_VAR0
:
1443 assert(attr
>= VARYING_SLOT_VAR0
||
1444 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1445 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1446 input_semantic_index
[slot
] =
1447 st_get_generic_varying_index(st
, attr
);
1453 /* Also add patch inputs. */
1454 for (attr
= 0; attr
< 32; attr
++) {
1455 if (prog
->info
.patch_inputs_read
& (1u << attr
)) {
1456 GLuint slot
= num_inputs
++;
1457 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1459 inputMapping
[patch_attr
] = slot
;
1460 inputSlotToAttr
[slot
] = patch_attr
;
1461 input_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1462 input_semantic_index
[slot
] = attr
;
1466 /* initialize output semantics to defaults */
1467 for (i
= 0; i
< PIPE_MAX_SHADER_OUTPUTS
; i
++) {
1468 output_semantic_name
[i
] = TGSI_SEMANTIC_GENERIC
;
1469 output_semantic_index
[i
] = 0;
1473 * Determine number of outputs, the (default) output register
1474 * mapping and the semantic information for each output.
1476 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1477 if (prog
->info
.outputs_written
& BITFIELD64_BIT(attr
)) {
1478 GLuint slot
= num_outputs
++;
1480 outputMapping
[attr
] = slot
;
1483 case VARYING_SLOT_POS
:
1485 output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
1486 output_semantic_index
[slot
] = 0;
1488 case VARYING_SLOT_COL0
:
1489 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1490 output_semantic_index
[slot
] = 0;
1492 case VARYING_SLOT_COL1
:
1493 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1494 output_semantic_index
[slot
] = 1;
1496 case VARYING_SLOT_BFC0
:
1497 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1498 output_semantic_index
[slot
] = 0;
1500 case VARYING_SLOT_BFC1
:
1501 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1502 output_semantic_index
[slot
] = 1;
1504 case VARYING_SLOT_FOGC
:
1505 output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1506 output_semantic_index
[slot
] = 0;
1508 case VARYING_SLOT_PSIZ
:
1509 output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1510 output_semantic_index
[slot
] = 0;
1512 case VARYING_SLOT_CLIP_VERTEX
:
1513 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1514 output_semantic_index
[slot
] = 0;
1516 case VARYING_SLOT_CLIP_DIST0
:
1517 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1518 output_semantic_index
[slot
] = 0;
1520 case VARYING_SLOT_CLIP_DIST1
:
1521 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1522 output_semantic_index
[slot
] = 1;
1524 case VARYING_SLOT_CULL_DIST0
:
1525 case VARYING_SLOT_CULL_DIST1
:
1526 /* these should have been lowered by GLSL */
1529 case VARYING_SLOT_LAYER
:
1530 output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
1531 output_semantic_index
[slot
] = 0;
1533 case VARYING_SLOT_PRIMITIVE_ID
:
1534 output_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
1535 output_semantic_index
[slot
] = 0;
1537 case VARYING_SLOT_VIEWPORT
:
1538 output_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
1539 output_semantic_index
[slot
] = 0;
1541 case VARYING_SLOT_TESS_LEVEL_OUTER
:
1542 output_semantic_name
[slot
] = TGSI_SEMANTIC_TESSOUTER
;
1543 output_semantic_index
[slot
] = 0;
1545 case VARYING_SLOT_TESS_LEVEL_INNER
:
1546 output_semantic_name
[slot
] = TGSI_SEMANTIC_TESSINNER
;
1547 output_semantic_index
[slot
] = 0;
1549 case VARYING_SLOT_TEX0
:
1550 case VARYING_SLOT_TEX1
:
1551 case VARYING_SLOT_TEX2
:
1552 case VARYING_SLOT_TEX3
:
1553 case VARYING_SLOT_TEX4
:
1554 case VARYING_SLOT_TEX5
:
1555 case VARYING_SLOT_TEX6
:
1556 case VARYING_SLOT_TEX7
:
1557 if (st
->needs_texcoord_semantic
) {
1558 output_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1559 output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1563 case VARYING_SLOT_VAR0
:
1565 assert(slot
< ARRAY_SIZE(output_semantic_name
));
1566 assert(attr
>= VARYING_SLOT_VAR0
||
1567 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1568 output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1569 output_semantic_index
[slot
] =
1570 st_get_generic_varying_index(st
, attr
);
1576 /* Also add patch outputs. */
1577 for (attr
= 0; attr
< 32; attr
++) {
1578 if (prog
->info
.patch_outputs_written
& (1u << attr
)) {
1579 GLuint slot
= num_outputs
++;
1580 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1582 outputMapping
[patch_attr
] = slot
;
1583 output_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1584 output_semantic_index
[slot
] = attr
;
1588 st_translate_program(st
->ctx
,
1597 input_semantic_name
,
1598 input_semantic_index
,
1603 output_semantic_name
,
1604 output_semantic_index
);
1606 unsigned num_tokens
;
1607 out_state
->tokens
= ureg_get_tokens(ureg
, &num_tokens
);
1610 st_translate_stream_output_info(glsl_to_tgsi
,
1612 &out_state
->stream_output
);
1614 st_store_tgsi_in_disk_cache(st
, prog
, out_state
, num_tokens
);
1616 if ((ST_DEBUG
& DEBUG_TGSI
) && (ST_DEBUG
& DEBUG_MESA
)) {
1617 _mesa_print_program(prog
);
1621 if (ST_DEBUG
& DEBUG_TGSI
) {
1622 tgsi_dump(out_state
->tokens
, 0);
1629 * Translate a geometry program to create a new variant.
1632 st_translate_geometry_program(struct st_context
*st
,
1633 struct st_geometry_program
*stgp
)
1635 struct ureg_program
*ureg
;
1637 ureg
= ureg_create_with_screen(PIPE_SHADER_GEOMETRY
, st
->pipe
->screen
);
1641 ureg_property(ureg
, TGSI_PROPERTY_GS_INPUT_PRIM
,
1642 stgp
->Base
.info
.gs
.input_primitive
);
1643 ureg_property(ureg
, TGSI_PROPERTY_GS_OUTPUT_PRIM
,
1644 stgp
->Base
.info
.gs
.output_primitive
);
1645 ureg_property(ureg
, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES
,
1646 stgp
->Base
.info
.gs
.vertices_out
);
1647 ureg_property(ureg
, TGSI_PROPERTY_GS_INVOCATIONS
,
1648 stgp
->Base
.info
.gs
.invocations
);
1650 st_translate_program_common(st
, &stgp
->Base
, stgp
->glsl_to_tgsi
, ureg
,
1651 PIPE_SHADER_GEOMETRY
, &stgp
->tgsi
);
1653 free_glsl_to_tgsi_visitor(stgp
->glsl_to_tgsi
);
1654 stgp
->glsl_to_tgsi
= NULL
;
1660 * Get/create a basic program variant.
1662 struct st_basic_variant
*
1663 st_get_basic_variant(struct st_context
*st
,
1664 unsigned pipe_shader
,
1665 struct pipe_shader_state
*tgsi
,
1666 struct st_basic_variant
**variants
)
1668 struct pipe_context
*pipe
= st
->pipe
;
1669 struct st_basic_variant
*v
;
1670 struct st_basic_variant_key key
;
1672 memset(&key
, 0, sizeof(key
));
1673 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1675 /* Search for existing variant */
1676 for (v
= *variants
; v
; v
= v
->next
) {
1677 if (memcmp(&v
->key
, &key
, sizeof(key
)) == 0) {
1684 v
= CALLOC_STRUCT(st_basic_variant
);
1686 /* fill in new variant */
1687 switch (pipe_shader
) {
1688 case PIPE_SHADER_TESS_CTRL
:
1689 v
->driver_shader
= pipe
->create_tcs_state(pipe
, tgsi
);
1691 case PIPE_SHADER_TESS_EVAL
:
1692 v
->driver_shader
= pipe
->create_tes_state(pipe
, tgsi
);
1694 case PIPE_SHADER_GEOMETRY
:
1695 v
->driver_shader
= pipe
->create_gs_state(pipe
, tgsi
);
1698 assert(!"unhandled shader type");
1705 /* insert into list */
1706 v
->next
= *variants
;
1716 * Translate a tessellation control program to create a new variant.
1719 st_translate_tessctrl_program(struct st_context
*st
,
1720 struct st_tessctrl_program
*sttcp
)
1722 struct ureg_program
*ureg
;
1724 ureg
= ureg_create_with_screen(PIPE_SHADER_TESS_CTRL
, st
->pipe
->screen
);
1728 ureg_property(ureg
, TGSI_PROPERTY_TCS_VERTICES_OUT
,
1729 sttcp
->Base
.info
.tess
.tcs_vertices_out
);
1731 st_translate_program_common(st
, &sttcp
->Base
, sttcp
->glsl_to_tgsi
, ureg
,
1732 PIPE_SHADER_TESS_CTRL
, &sttcp
->tgsi
);
1734 free_glsl_to_tgsi_visitor(sttcp
->glsl_to_tgsi
);
1735 sttcp
->glsl_to_tgsi
= NULL
;
1741 * Translate a tessellation evaluation program to create a new variant.
1744 st_translate_tesseval_program(struct st_context
*st
,
1745 struct st_tesseval_program
*sttep
)
1747 struct ureg_program
*ureg
;
1749 ureg
= ureg_create_with_screen(PIPE_SHADER_TESS_EVAL
, st
->pipe
->screen
);
1753 if (sttep
->Base
.info
.tess
.primitive_mode
== GL_ISOLINES
)
1754 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, GL_LINES
);
1756 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
,
1757 sttep
->Base
.info
.tess
.primitive_mode
);
1759 STATIC_ASSERT((TESS_SPACING_EQUAL
+ 1) % 3 == PIPE_TESS_SPACING_EQUAL
);
1760 STATIC_ASSERT((TESS_SPACING_FRACTIONAL_ODD
+ 1) % 3 ==
1761 PIPE_TESS_SPACING_FRACTIONAL_ODD
);
1762 STATIC_ASSERT((TESS_SPACING_FRACTIONAL_EVEN
+ 1) % 3 ==
1763 PIPE_TESS_SPACING_FRACTIONAL_EVEN
);
1765 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1766 (sttep
->Base
.info
.tess
.spacing
+ 1) % 3);
1768 ureg_property(ureg
, TGSI_PROPERTY_TES_VERTEX_ORDER_CW
,
1769 !sttep
->Base
.info
.tess
.ccw
);
1770 ureg_property(ureg
, TGSI_PROPERTY_TES_POINT_MODE
,
1771 sttep
->Base
.info
.tess
.point_mode
);
1773 st_translate_program_common(st
, &sttep
->Base
, sttep
->glsl_to_tgsi
,
1774 ureg
, PIPE_SHADER_TESS_EVAL
, &sttep
->tgsi
);
1776 free_glsl_to_tgsi_visitor(sttep
->glsl_to_tgsi
);
1777 sttep
->glsl_to_tgsi
= NULL
;
1783 * Translate a compute program to create a new variant.
1786 st_translate_compute_program(struct st_context
*st
,
1787 struct st_compute_program
*stcp
)
1789 struct ureg_program
*ureg
;
1790 struct pipe_shader_state prog
;
1792 if (stcp
->shader_program
) {
1793 nir_shader
*nir
= st_glsl_to_nir(st
, &stcp
->Base
, stcp
->shader_program
,
1794 MESA_SHADER_COMPUTE
);
1796 /* no compute variants: */
1797 st_finalize_nir(st
, &stcp
->Base
, nir
);
1799 stcp
->tgsi
.ir_type
= PIPE_SHADER_IR_NIR
;
1800 stcp
->tgsi
.prog
= nir
;
1805 ureg
= ureg_create_with_screen(PIPE_SHADER_COMPUTE
, st
->pipe
->screen
);
1809 st_translate_program_common(st
, &stcp
->Base
, stcp
->glsl_to_tgsi
, ureg
,
1810 PIPE_SHADER_COMPUTE
, &prog
);
1812 stcp
->tgsi
.ir_type
= PIPE_SHADER_IR_TGSI
;
1813 stcp
->tgsi
.prog
= prog
.tokens
;
1814 stcp
->tgsi
.req_local_mem
= stcp
->Base
.info
.cs
.shared_size
;
1815 stcp
->tgsi
.req_private_mem
= 0;
1816 stcp
->tgsi
.req_input_mem
= 0;
1818 free_glsl_to_tgsi_visitor(stcp
->glsl_to_tgsi
);
1819 stcp
->glsl_to_tgsi
= NULL
;
1825 * Get/create compute program variant.
1827 struct st_basic_variant
*
1828 st_get_cp_variant(struct st_context
*st
,
1829 struct pipe_compute_state
*tgsi
,
1830 struct st_basic_variant
**variants
)
1832 struct pipe_context
*pipe
= st
->pipe
;
1833 struct st_basic_variant
*v
;
1834 struct st_basic_variant_key key
;
1836 memset(&key
, 0, sizeof(key
));
1837 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1839 /* Search for existing variant */
1840 for (v
= *variants
; v
; v
= v
->next
) {
1841 if (memcmp(&v
->key
, &key
, sizeof(key
)) == 0) {
1848 v
= CALLOC_STRUCT(st_basic_variant
);
1850 /* fill in new variant */
1851 v
->driver_shader
= pipe
->create_compute_state(pipe
, tgsi
);
1854 /* insert into list */
1855 v
->next
= *variants
;
1865 * Vert/Geom/Frag programs have per-context variants. Free all the
1866 * variants attached to the given program which match the given context.
1869 destroy_program_variants(struct st_context
*st
, struct gl_program
*target
)
1871 if (!target
|| target
== &_mesa_DummyProgram
)
1874 switch (target
->Target
) {
1875 case GL_VERTEX_PROGRAM_ARB
:
1877 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) target
;
1878 struct st_vp_variant
*vpv
, **prevPtr
= &stvp
->variants
;
1880 for (vpv
= stvp
->variants
; vpv
; ) {
1881 struct st_vp_variant
*next
= vpv
->next
;
1882 if (vpv
->key
.st
== st
) {
1883 /* unlink from list */
1885 /* destroy this variant */
1886 delete_vp_variant(st
, vpv
);
1889 prevPtr
= &vpv
->next
;
1895 case GL_FRAGMENT_PROGRAM_ARB
:
1897 struct st_fragment_program
*stfp
=
1898 (struct st_fragment_program
*) target
;
1899 struct st_fp_variant
*fpv
, **prevPtr
= &stfp
->variants
;
1901 for (fpv
= stfp
->variants
; fpv
; ) {
1902 struct st_fp_variant
*next
= fpv
->next
;
1903 if (fpv
->key
.st
== st
) {
1904 /* unlink from list */
1906 /* destroy this variant */
1907 delete_fp_variant(st
, fpv
);
1910 prevPtr
= &fpv
->next
;
1916 case GL_GEOMETRY_PROGRAM_NV
:
1917 case GL_TESS_CONTROL_PROGRAM_NV
:
1918 case GL_TESS_EVALUATION_PROGRAM_NV
:
1919 case GL_COMPUTE_PROGRAM_NV
:
1921 struct st_geometry_program
*gp
= (struct st_geometry_program
*)target
;
1922 struct st_tessctrl_program
*tcp
= (struct st_tessctrl_program
*)target
;
1923 struct st_tesseval_program
*tep
= (struct st_tesseval_program
*)target
;
1924 struct st_compute_program
*cp
= (struct st_compute_program
*)target
;
1925 struct st_basic_variant
**variants
=
1926 target
->Target
== GL_GEOMETRY_PROGRAM_NV
? &gp
->variants
:
1927 target
->Target
== GL_TESS_CONTROL_PROGRAM_NV
? &tcp
->variants
:
1928 target
->Target
== GL_TESS_EVALUATION_PROGRAM_NV
? &tep
->variants
:
1929 target
->Target
== GL_COMPUTE_PROGRAM_NV
? &cp
->variants
:
1931 struct st_basic_variant
*v
, **prevPtr
= variants
;
1933 for (v
= *variants
; v
; ) {
1934 struct st_basic_variant
*next
= v
->next
;
1935 if (v
->key
.st
== st
) {
1936 /* unlink from list */
1938 /* destroy this variant */
1939 delete_basic_variant(st
, v
, target
->Target
);
1949 _mesa_problem(NULL
, "Unexpected program target 0x%x in "
1950 "destroy_program_variants_cb()", target
->Target
);
1956 * Callback for _mesa_HashWalk. Free all the shader's program variants
1957 * which match the given context.
1960 destroy_shader_program_variants_cb(GLuint key
, void *data
, void *userData
)
1962 struct st_context
*st
= (struct st_context
*) userData
;
1963 struct gl_shader
*shader
= (struct gl_shader
*) data
;
1965 switch (shader
->Type
) {
1966 case GL_SHADER_PROGRAM_MESA
:
1968 struct gl_shader_program
*shProg
= (struct gl_shader_program
*) data
;
1971 for (i
= 0; i
< ARRAY_SIZE(shProg
->_LinkedShaders
); i
++) {
1972 if (shProg
->_LinkedShaders
[i
])
1973 destroy_program_variants(st
, shProg
->_LinkedShaders
[i
]->Program
);
1977 case GL_VERTEX_SHADER
:
1978 case GL_FRAGMENT_SHADER
:
1979 case GL_GEOMETRY_SHADER
:
1980 case GL_TESS_CONTROL_SHADER
:
1981 case GL_TESS_EVALUATION_SHADER
:
1982 case GL_COMPUTE_SHADER
:
1991 * Callback for _mesa_HashWalk. Free all the program variants which match
1992 * the given context.
1995 destroy_program_variants_cb(GLuint key
, void *data
, void *userData
)
1997 struct st_context
*st
= (struct st_context
*) userData
;
1998 struct gl_program
*program
= (struct gl_program
*) data
;
1999 destroy_program_variants(st
, program
);
2004 * Walk over all shaders and programs to delete any variants which
2005 * belong to the given context.
2006 * This is called during context tear-down.
2009 st_destroy_program_variants(struct st_context
*st
)
2011 /* If shaders can be shared with other contexts, the last context will
2012 * call DeleteProgram on all shaders, releasing everything.
2014 if (st
->has_shareable_shaders
)
2017 /* ARB vert/frag program */
2018 _mesa_HashWalk(st
->ctx
->Shared
->Programs
,
2019 destroy_program_variants_cb
, st
);
2021 /* GLSL vert/frag/geom shaders */
2022 _mesa_HashWalk(st
->ctx
->Shared
->ShaderObjects
,
2023 destroy_shader_program_variants_cb
, st
);
2028 * For debugging, print/dump the current vertex program.
2031 st_print_current_vertex_program(void)
2033 GET_CURRENT_CONTEXT(ctx
);
2035 if (ctx
->VertexProgram
._Current
) {
2036 struct st_vertex_program
*stvp
=
2037 (struct st_vertex_program
*) ctx
->VertexProgram
._Current
;
2038 struct st_vp_variant
*stv
;
2040 debug_printf("Vertex program %u\n", stvp
->Base
.Id
);
2042 for (stv
= stvp
->variants
; stv
; stv
= stv
->next
) {
2043 debug_printf("variant %p\n", stv
);
2044 tgsi_dump(stv
->tgsi
.tokens
, 0);
2051 * Compile one shader variant.
2054 st_precompile_shader_variant(struct st_context
*st
,
2055 struct gl_program
*prog
)
2057 switch (prog
->Target
) {
2058 case GL_VERTEX_PROGRAM_ARB
: {
2059 struct st_vertex_program
*p
= (struct st_vertex_program
*)prog
;
2060 struct st_vp_variant_key key
;
2062 memset(&key
, 0, sizeof(key
));
2063 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
2064 st_get_vp_variant(st
, p
, &key
);
2068 case GL_TESS_CONTROL_PROGRAM_NV
: {
2069 struct st_tessctrl_program
*p
= (struct st_tessctrl_program
*)prog
;
2070 st_get_basic_variant(st
, PIPE_SHADER_TESS_CTRL
, &p
->tgsi
, &p
->variants
);
2074 case GL_TESS_EVALUATION_PROGRAM_NV
: {
2075 struct st_tesseval_program
*p
= (struct st_tesseval_program
*)prog
;
2076 st_get_basic_variant(st
, PIPE_SHADER_TESS_EVAL
, &p
->tgsi
, &p
->variants
);
2080 case GL_GEOMETRY_PROGRAM_NV
: {
2081 struct st_geometry_program
*p
= (struct st_geometry_program
*)prog
;
2082 st_get_basic_variant(st
, PIPE_SHADER_GEOMETRY
, &p
->tgsi
, &p
->variants
);
2086 case GL_FRAGMENT_PROGRAM_ARB
: {
2087 struct st_fragment_program
*p
= (struct st_fragment_program
*)prog
;
2088 struct st_fp_variant_key key
;
2090 memset(&key
, 0, sizeof(key
));
2091 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
2092 st_get_fp_variant(st
, p
, &key
);
2096 case GL_COMPUTE_PROGRAM_NV
: {
2097 struct st_compute_program
*p
= (struct st_compute_program
*)prog
;
2098 st_get_cp_variant(st
, &p
->tgsi
, &p
->variants
);