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 unsigned output_slot_to_attr
[VARYING_SLOT_MAX
] = {0};
381 ubyte output_semantic_name
[VARYING_SLOT_MAX
] = {0};
382 ubyte output_semantic_index
[VARYING_SLOT_MAX
] = {0};
384 stvp
->num_inputs
= 0;
386 if (stvp
->Base
.arb
.IsPositionInvariant
)
387 _mesa_insert_mvp_code(st
->ctx
, &stvp
->Base
);
390 * Determine number of inputs, the mappings between VERT_ATTRIB_x
391 * and TGSI generic input indexes, plus input attrib semantic info.
393 for (attr
= 0; attr
< VERT_ATTRIB_MAX
; attr
++) {
394 if ((stvp
->Base
.info
.inputs_read
& BITFIELD64_BIT(attr
)) != 0) {
395 input_to_index
[attr
] = stvp
->num_inputs
;
396 stvp
->index_to_input
[stvp
->num_inputs
] = attr
;
398 if ((stvp
->Base
.info
.double_inputs_read
&
399 BITFIELD64_BIT(attr
)) != 0) {
400 /* add placeholder for second part of a double attribute */
401 stvp
->index_to_input
[stvp
->num_inputs
] = ST_DOUBLE_ATTRIB_PLACEHOLDER
;
406 /* bit of a hack, presetup potentially unused edgeflag input */
407 input_to_index
[VERT_ATTRIB_EDGEFLAG
] = stvp
->num_inputs
;
408 stvp
->index_to_input
[stvp
->num_inputs
] = VERT_ATTRIB_EDGEFLAG
;
410 /* Compute mapping of vertex program outputs to slots.
412 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
413 if ((stvp
->Base
.info
.outputs_written
& BITFIELD64_BIT(attr
)) == 0) {
414 stvp
->result_to_output
[attr
] = ~0;
417 unsigned slot
= num_outputs
++;
419 stvp
->result_to_output
[attr
] = slot
;
420 output_slot_to_attr
[slot
] = attr
;
423 case VARYING_SLOT_POS
:
424 output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
425 output_semantic_index
[slot
] = 0;
427 case VARYING_SLOT_COL0
:
428 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
429 output_semantic_index
[slot
] = 0;
431 case VARYING_SLOT_COL1
:
432 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
433 output_semantic_index
[slot
] = 1;
435 case VARYING_SLOT_BFC0
:
436 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
437 output_semantic_index
[slot
] = 0;
439 case VARYING_SLOT_BFC1
:
440 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
441 output_semantic_index
[slot
] = 1;
443 case VARYING_SLOT_FOGC
:
444 output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
445 output_semantic_index
[slot
] = 0;
447 case VARYING_SLOT_PSIZ
:
448 output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
449 output_semantic_index
[slot
] = 0;
451 case VARYING_SLOT_CLIP_DIST0
:
452 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
453 output_semantic_index
[slot
] = 0;
455 case VARYING_SLOT_CLIP_DIST1
:
456 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
457 output_semantic_index
[slot
] = 1;
459 case VARYING_SLOT_CULL_DIST0
:
460 case VARYING_SLOT_CULL_DIST1
:
461 /* these should have been lowered by GLSL */
464 case VARYING_SLOT_EDGE
:
467 case VARYING_SLOT_CLIP_VERTEX
:
468 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
469 output_semantic_index
[slot
] = 0;
471 case VARYING_SLOT_LAYER
:
472 output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
473 output_semantic_index
[slot
] = 0;
475 case VARYING_SLOT_VIEWPORT
:
476 output_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
477 output_semantic_index
[slot
] = 0;
480 case VARYING_SLOT_TEX0
:
481 case VARYING_SLOT_TEX1
:
482 case VARYING_SLOT_TEX2
:
483 case VARYING_SLOT_TEX3
:
484 case VARYING_SLOT_TEX4
:
485 case VARYING_SLOT_TEX5
:
486 case VARYING_SLOT_TEX6
:
487 case VARYING_SLOT_TEX7
:
488 if (st
->needs_texcoord_semantic
) {
489 output_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
490 output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
494 case VARYING_SLOT_VAR0
:
496 assert(attr
>= VARYING_SLOT_VAR0
||
497 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
498 output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
499 output_semantic_index
[slot
] =
500 st_get_generic_varying_index(st
, attr
);
505 /* similar hack to above, presetup potentially unused edgeflag output */
506 stvp
->result_to_output
[VARYING_SLOT_EDGE
] = num_outputs
;
507 output_semantic_name
[num_outputs
] = TGSI_SEMANTIC_EDGEFLAG
;
508 output_semantic_index
[num_outputs
] = 0;
511 if (!stvp
->glsl_to_tgsi
&& !stvp
->shader_program
) {
512 _mesa_remove_output_reads(&stvp
->Base
, PROGRAM_OUTPUT
);
514 /* This determines which states will be updated when the assembly
517 stvp
->affected_states
= ST_NEW_VS_STATE
|
519 ST_NEW_VERTEX_ARRAYS
;
521 if (stvp
->Base
.Parameters
->NumParameters
)
522 stvp
->affected_states
|= ST_NEW_VS_CONSTANTS
;
524 /* No samplers are allowed in ARB_vp. */
527 if (stvp
->shader_program
) {
528 nir_shader
*nir
= st_glsl_to_nir(st
, &stvp
->Base
, stvp
->shader_program
,
531 stvp
->tgsi
.type
= PIPE_SHADER_IR_NIR
;
532 stvp
->tgsi
.ir
.nir
= nir
;
534 struct gl_program
*prog
= stvp
->shader_program
->last_vert_prog
;
536 st_translate_stream_output_info2(prog
->sh
.LinkedTransformFeedback
,
537 stvp
->result_to_output
,
538 &stvp
->tgsi
.stream_output
);
544 ureg
= ureg_create_with_screen(PIPE_SHADER_VERTEX
, st
->pipe
->screen
);
548 if (stvp
->Base
.info
.clip_distance_array_size
)
549 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
550 stvp
->Base
.info
.clip_distance_array_size
);
551 if (stvp
->Base
.info
.cull_distance_array_size
)
552 ureg_property(ureg
, TGSI_PROPERTY_NUM_CULLDIST_ENABLED
,
553 stvp
->Base
.info
.cull_distance_array_size
);
555 if (ST_DEBUG
& DEBUG_MESA
) {
556 _mesa_print_program(&stvp
->Base
);
557 _mesa_print_program_parameters(st
->ctx
, &stvp
->Base
);
561 if (stvp
->glsl_to_tgsi
) {
562 error
= st_translate_program(st
->ctx
,
570 NULL
, /* inputSlotToAttr */
571 NULL
, /* input semantic name */
572 NULL
, /* input semantic index */
573 NULL
, /* interp mode */
576 stvp
->result_to_output
,
578 output_semantic_name
,
579 output_semantic_index
);
581 st_translate_stream_output_info(stvp
->glsl_to_tgsi
,
582 stvp
->result_to_output
,
583 &stvp
->tgsi
.stream_output
);
585 free_glsl_to_tgsi_visitor(stvp
->glsl_to_tgsi
);
587 error
= st_translate_mesa_program(st
->ctx
,
594 NULL
, /* input semantic name */
595 NULL
, /* input semantic index */
599 stvp
->result_to_output
,
600 output_semantic_name
,
601 output_semantic_index
);
604 debug_printf("%s: failed to translate Mesa program:\n", __func__
);
605 _mesa_print_program(&stvp
->Base
);
611 stvp
->tgsi
.tokens
= ureg_get_tokens(ureg
, &num_tokens
);
614 if (stvp
->glsl_to_tgsi
) {
615 stvp
->glsl_to_tgsi
= NULL
;
616 st_store_tgsi_in_disk_cache(st
, &stvp
->Base
, NULL
, num_tokens
);
619 return stvp
->tgsi
.tokens
!= NULL
;
622 static struct st_vp_variant
*
623 st_create_vp_variant(struct st_context
*st
,
624 struct st_vertex_program
*stvp
,
625 const struct st_vp_variant_key
*key
)
627 struct st_vp_variant
*vpv
= CALLOC_STRUCT(st_vp_variant
);
628 struct pipe_context
*pipe
= st
->pipe
;
631 vpv
->tgsi
.stream_output
= stvp
->tgsi
.stream_output
;
632 vpv
->num_inputs
= stvp
->num_inputs
;
634 if (stvp
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
635 vpv
->tgsi
.type
= PIPE_SHADER_IR_NIR
;
636 vpv
->tgsi
.ir
.nir
= nir_shader_clone(NULL
, stvp
->tgsi
.ir
.nir
);
637 if (key
->clamp_color
)
638 NIR_PASS_V(vpv
->tgsi
.ir
.nir
, nir_lower_clamp_color_outputs
);
639 if (key
->passthrough_edgeflags
)
640 NIR_PASS_V(vpv
->tgsi
.ir
.nir
, nir_lower_passthrough_edgeflags
);
642 st_finalize_nir(st
, &stvp
->Base
, vpv
->tgsi
.ir
.nir
);
644 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
645 /* driver takes ownership of IR: */
646 vpv
->tgsi
.ir
.nir
= NULL
;
650 vpv
->tgsi
.tokens
= tgsi_dup_tokens(stvp
->tgsi
.tokens
);
652 /* Emulate features. */
653 if (key
->clamp_color
|| key
->passthrough_edgeflags
) {
654 const struct tgsi_token
*tokens
;
656 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
657 (key
->passthrough_edgeflags
? TGSI_EMU_PASSTHROUGH_EDGEFLAG
: 0);
659 tokens
= tgsi_emulate(vpv
->tgsi
.tokens
, flags
);
662 tgsi_free_tokens(vpv
->tgsi
.tokens
);
663 vpv
->tgsi
.tokens
= tokens
;
665 if (key
->passthrough_edgeflags
)
668 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
671 if (ST_DEBUG
& DEBUG_TGSI
) {
672 tgsi_dump(vpv
->tgsi
.tokens
, 0);
676 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
682 * Find/create a vertex program variant.
684 struct st_vp_variant
*
685 st_get_vp_variant(struct st_context
*st
,
686 struct st_vertex_program
*stvp
,
687 const struct st_vp_variant_key
*key
)
689 struct st_vp_variant
*vpv
;
691 /* Search for existing variant */
692 for (vpv
= stvp
->variants
; vpv
; vpv
= vpv
->next
) {
693 if (memcmp(&vpv
->key
, key
, sizeof(*key
)) == 0) {
700 vpv
= st_create_vp_variant(st
, stvp
, key
);
702 /* insert into list */
703 vpv
->next
= stvp
->variants
;
704 stvp
->variants
= vpv
;
713 * Translate a Mesa fragment shader into a TGSI shader.
716 st_translate_fragment_program(struct st_context
*st
,
717 struct st_fragment_program
*stfp
)
719 ubyte outputMapping
[2 * FRAG_RESULT_MAX
];
720 ubyte inputMapping
[VARYING_SLOT_MAX
];
721 GLuint inputSlotToAttr
[VARYING_SLOT_MAX
];
722 GLuint interpMode
[PIPE_MAX_SHADER_INPUTS
]; /* XXX size? */
724 GLbitfield64 inputsRead
;
725 struct ureg_program
*ureg
;
727 GLboolean write_all
= GL_FALSE
;
729 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
730 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
731 uint fs_num_inputs
= 0;
733 ubyte fs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
734 ubyte fs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
735 uint fs_num_outputs
= 0;
737 memset(inputSlotToAttr
, ~0, sizeof(inputSlotToAttr
));
739 /* Non-GLSL programs: */
740 if (!stfp
->glsl_to_tgsi
&& !stfp
->shader_program
) {
741 _mesa_remove_output_reads(&stfp
->Base
, PROGRAM_OUTPUT
);
742 if (st
->ctx
->Const
.GLSLFragCoordIsSysVal
)
743 _mesa_program_fragment_position_to_sysval(&stfp
->Base
);
745 /* This determines which states will be updated when the assembly
748 * fragment.position and glDrawPixels always use constants.
750 stfp
->affected_states
= ST_NEW_FS_STATE
|
751 ST_NEW_SAMPLE_SHADING
|
755 /* Just set them for ATI_fs unconditionally. */
756 stfp
->affected_states
|= ST_NEW_FS_SAMPLER_VIEWS
|
760 if (stfp
->Base
.SamplersUsed
)
761 stfp
->affected_states
|= ST_NEW_FS_SAMPLER_VIEWS
|
767 * Convert Mesa program inputs to TGSI input register semantics.
769 inputsRead
= stfp
->Base
.info
.inputs_read
;
770 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
771 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
772 const GLuint slot
= fs_num_inputs
++;
774 inputMapping
[attr
] = slot
;
775 inputSlotToAttr
[slot
] = attr
;
778 case VARYING_SLOT_POS
:
779 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
780 input_semantic_index
[slot
] = 0;
781 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
783 case VARYING_SLOT_COL0
:
784 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
785 input_semantic_index
[slot
] = 0;
786 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
787 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_COLOR
;
789 case VARYING_SLOT_COL1
:
790 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
791 input_semantic_index
[slot
] = 1;
792 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
793 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_COLOR
;
795 case VARYING_SLOT_FOGC
:
796 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
797 input_semantic_index
[slot
] = 0;
798 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
800 case VARYING_SLOT_FACE
:
801 input_semantic_name
[slot
] = TGSI_SEMANTIC_FACE
;
802 input_semantic_index
[slot
] = 0;
803 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
805 case VARYING_SLOT_PRIMITIVE_ID
:
806 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
807 input_semantic_index
[slot
] = 0;
808 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
810 case VARYING_SLOT_LAYER
:
811 input_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
812 input_semantic_index
[slot
] = 0;
813 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
815 case VARYING_SLOT_VIEWPORT
:
816 input_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
817 input_semantic_index
[slot
] = 0;
818 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
820 case VARYING_SLOT_CLIP_DIST0
:
821 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
822 input_semantic_index
[slot
] = 0;
823 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
825 case VARYING_SLOT_CLIP_DIST1
:
826 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
827 input_semantic_index
[slot
] = 1;
828 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
830 case VARYING_SLOT_CULL_DIST0
:
831 case VARYING_SLOT_CULL_DIST1
:
832 /* these should have been lowered by GLSL */
835 /* In most cases, there is nothing special about these
836 * inputs, so adopt a convention to use the generic
837 * semantic name and the mesa VARYING_SLOT_ number as the
840 * All that is required is that the vertex shader labels
841 * its own outputs similarly, and that the vertex shader
842 * generates at least every output required by the
843 * fragment shader plus fixed-function hardware (such as
846 * However, some drivers may need us to identify the PNTC and TEXi
847 * varyings if, for example, their capability to replace them with
848 * sprite coordinates is limited.
850 case VARYING_SLOT_PNTC
:
851 if (st
->needs_texcoord_semantic
) {
852 input_semantic_name
[slot
] = TGSI_SEMANTIC_PCOORD
;
853 input_semantic_index
[slot
] = 0;
854 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
858 case VARYING_SLOT_TEX0
:
859 case VARYING_SLOT_TEX1
:
860 case VARYING_SLOT_TEX2
:
861 case VARYING_SLOT_TEX3
:
862 case VARYING_SLOT_TEX4
:
863 case VARYING_SLOT_TEX5
:
864 case VARYING_SLOT_TEX6
:
865 case VARYING_SLOT_TEX7
:
866 if (st
->needs_texcoord_semantic
) {
867 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
868 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
869 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
870 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_PERSPECTIVE
;
874 case VARYING_SLOT_VAR0
:
876 /* Semantic indices should be zero-based because drivers may choose
877 * to assign a fixed slot determined by that index.
878 * This is useful because ARB_separate_shader_objects uses location
879 * qualifiers for linkage, and if the semantic index corresponds to
880 * these locations, linkage passes in the driver become unecessary.
882 * If needs_texcoord_semantic is true, no semantic indices will be
883 * consumed for the TEXi varyings, and we can base the locations of
884 * the user varyings on VAR0. Otherwise, we use TEX0 as base index.
886 assert(attr
>= VARYING_SLOT_VAR0
|| attr
== VARYING_SLOT_PNTC
||
887 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
888 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
889 input_semantic_index
[slot
] = st_get_generic_varying_index(st
, attr
);
890 if (attr
== VARYING_SLOT_PNTC
)
891 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
893 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
894 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_PERSPECTIVE
;
900 inputMapping
[attr
] = -1;
905 * Semantics and mapping for outputs
907 GLbitfield64 outputsWritten
= stfp
->Base
.info
.outputs_written
;
909 /* if z is written, emit that first */
910 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
911 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_POSITION
;
912 fs_output_semantic_index
[fs_num_outputs
] = 0;
913 outputMapping
[FRAG_RESULT_DEPTH
] = fs_num_outputs
;
915 outputsWritten
&= ~(1 << FRAG_RESULT_DEPTH
);
918 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_STENCIL
)) {
919 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_STENCIL
;
920 fs_output_semantic_index
[fs_num_outputs
] = 0;
921 outputMapping
[FRAG_RESULT_STENCIL
] = fs_num_outputs
;
923 outputsWritten
&= ~(1 << FRAG_RESULT_STENCIL
);
926 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK
)) {
927 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_SAMPLEMASK
;
928 fs_output_semantic_index
[fs_num_outputs
] = 0;
929 outputMapping
[FRAG_RESULT_SAMPLE_MASK
] = fs_num_outputs
;
931 outputsWritten
&= ~(1 << FRAG_RESULT_SAMPLE_MASK
);
934 /* handle remaining outputs (color) */
935 for (attr
= 0; attr
< ARRAY_SIZE(outputMapping
); attr
++) {
936 const GLbitfield64 written
= attr
< FRAG_RESULT_MAX
? outputsWritten
:
937 stfp
->Base
.SecondaryOutputsWritten
;
938 const unsigned loc
= attr
% FRAG_RESULT_MAX
;
940 if (written
& BITFIELD64_BIT(loc
)) {
942 case FRAG_RESULT_DEPTH
:
943 case FRAG_RESULT_STENCIL
:
944 case FRAG_RESULT_SAMPLE_MASK
:
948 case FRAG_RESULT_COLOR
:
949 write_all
= GL_TRUE
; /* fallthrough */
952 assert(loc
== FRAG_RESULT_COLOR
||
953 (FRAG_RESULT_DATA0
<= loc
&& loc
< FRAG_RESULT_MAX
));
955 index
= (loc
== FRAG_RESULT_COLOR
) ? 0 : (loc
- FRAG_RESULT_DATA0
);
957 if (attr
>= FRAG_RESULT_MAX
) {
958 /* Secondary color for dual source blending. */
963 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_COLOR
;
964 fs_output_semantic_index
[fs_num_outputs
] = index
;
965 outputMapping
[attr
] = fs_num_outputs
;
974 if (stfp
->shader_program
) {
975 nir_shader
*nir
= st_glsl_to_nir(st
, &stfp
->Base
, stfp
->shader_program
,
976 MESA_SHADER_FRAGMENT
);
978 stfp
->tgsi
.type
= PIPE_SHADER_IR_NIR
;
979 stfp
->tgsi
.ir
.nir
= nir
;
984 ureg
= ureg_create_with_screen(PIPE_SHADER_FRAGMENT
, st
->pipe
->screen
);
988 if (ST_DEBUG
& DEBUG_MESA
) {
989 _mesa_print_program(&stfp
->Base
);
990 _mesa_print_program_parameters(st
->ctx
, &stfp
->Base
);
993 if (write_all
== GL_TRUE
)
994 ureg_property(ureg
, TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS
, 1);
996 if (stfp
->Base
.info
.fs
.depth_layout
!= FRAG_DEPTH_LAYOUT_NONE
) {
997 switch (stfp
->Base
.info
.fs
.depth_layout
) {
998 case FRAG_DEPTH_LAYOUT_ANY
:
999 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1000 TGSI_FS_DEPTH_LAYOUT_ANY
);
1002 case FRAG_DEPTH_LAYOUT_GREATER
:
1003 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1004 TGSI_FS_DEPTH_LAYOUT_GREATER
);
1006 case FRAG_DEPTH_LAYOUT_LESS
:
1007 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1008 TGSI_FS_DEPTH_LAYOUT_LESS
);
1010 case FRAG_DEPTH_LAYOUT_UNCHANGED
:
1011 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1012 TGSI_FS_DEPTH_LAYOUT_UNCHANGED
);
1019 if (stfp
->glsl_to_tgsi
) {
1020 st_translate_program(st
->ctx
,
1021 PIPE_SHADER_FRAGMENT
,
1029 input_semantic_name
,
1030 input_semantic_index
,
1036 fs_output_semantic_name
,
1037 fs_output_semantic_index
);
1039 free_glsl_to_tgsi_visitor(stfp
->glsl_to_tgsi
);
1040 } else if (stfp
->ati_fs
)
1041 st_translate_atifs_program(ureg
,
1047 input_semantic_name
,
1048 input_semantic_index
,
1053 fs_output_semantic_name
,
1054 fs_output_semantic_index
);
1056 st_translate_mesa_program(st
->ctx
,
1057 PIPE_SHADER_FRAGMENT
,
1063 input_semantic_name
,
1064 input_semantic_index
,
1069 fs_output_semantic_name
,
1070 fs_output_semantic_index
);
1072 unsigned num_tokens
;
1073 stfp
->tgsi
.tokens
= ureg_get_tokens(ureg
, &num_tokens
);
1076 if (stfp
->glsl_to_tgsi
) {
1077 stfp
->glsl_to_tgsi
= NULL
;
1078 st_store_tgsi_in_disk_cache(st
, &stfp
->Base
, NULL
, num_tokens
);
1081 return stfp
->tgsi
.tokens
!= NULL
;
1084 static struct st_fp_variant
*
1085 st_create_fp_variant(struct st_context
*st
,
1086 struct st_fragment_program
*stfp
,
1087 const struct st_fp_variant_key
*key
)
1089 struct pipe_context
*pipe
= st
->pipe
;
1090 struct st_fp_variant
*variant
= CALLOC_STRUCT(st_fp_variant
);
1091 struct pipe_shader_state tgsi
= {0};
1092 struct gl_program_parameter_list
*params
= stfp
->Base
.Parameters
;
1093 static const gl_state_index texcoord_state
[STATE_LENGTH
] =
1094 { STATE_INTERNAL
, STATE_CURRENT_ATTRIB
, VERT_ATTRIB_TEX0
};
1095 static const gl_state_index scale_state
[STATE_LENGTH
] =
1096 { STATE_INTERNAL
, STATE_PT_SCALE
};
1097 static const gl_state_index bias_state
[STATE_LENGTH
] =
1098 { STATE_INTERNAL
, STATE_PT_BIAS
};
1103 if (stfp
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
1104 tgsi
.type
= PIPE_SHADER_IR_NIR
;
1105 tgsi
.ir
.nir
= nir_shader_clone(NULL
, stfp
->tgsi
.ir
.nir
);
1107 if (key
->clamp_color
)
1108 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_clamp_color_outputs
);
1110 if (key
->persample_shading
) {
1111 nir_shader
*shader
= tgsi
.ir
.nir
;
1112 nir_foreach_variable(var
, &shader
->inputs
)
1113 var
->data
.sample
= true;
1116 assert(!(key
->bitmap
&& key
->drawpixels
));
1120 nir_lower_bitmap_options options
= {0};
1122 variant
->bitmap_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1123 options
.sampler
= variant
->bitmap_sampler
;
1124 options
.swizzle_xxxx
= (st
->bitmap
.tex_format
== PIPE_FORMAT_L8_UNORM
);
1126 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_bitmap
, &options
);
1129 /* glDrawPixels (color only) */
1130 if (key
->drawpixels
) {
1131 nir_lower_drawpixels_options options
= {{0}};
1132 unsigned samplers_used
= stfp
->Base
.SamplersUsed
;
1134 /* Find the first unused slot. */
1135 variant
->drawpix_sampler
= ffs(~samplers_used
) - 1;
1136 options
.drawpix_sampler
= variant
->drawpix_sampler
;
1137 samplers_used
|= (1 << variant
->drawpix_sampler
);
1139 options
.pixel_maps
= key
->pixelMaps
;
1140 if (key
->pixelMaps
) {
1141 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
1142 options
.pixelmap_sampler
= variant
->pixelmap_sampler
;
1145 options
.scale_and_bias
= key
->scaleAndBias
;
1146 if (key
->scaleAndBias
) {
1147 _mesa_add_state_reference(params
, scale_state
);
1148 memcpy(options
.scale_state_tokens
, scale_state
,
1149 sizeof(options
.scale_state_tokens
));
1150 _mesa_add_state_reference(params
, bias_state
);
1151 memcpy(options
.bias_state_tokens
, bias_state
,
1152 sizeof(options
.bias_state_tokens
));
1155 _mesa_add_state_reference(params
, texcoord_state
);
1156 memcpy(options
.texcoord_state_tokens
, texcoord_state
,
1157 sizeof(options
.texcoord_state_tokens
));
1159 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_drawpixels
, &options
);
1162 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1163 nir_lower_tex_options options
= {0};
1164 options
.lower_y_uv_external
= key
->external
.lower_nv12
;
1165 options
.lower_y_u_v_external
= key
->external
.lower_iyuv
;
1166 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_tex
, &options
);
1169 st_finalize_nir(st
, &stfp
->Base
, tgsi
.ir
.nir
);
1171 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1172 /* This pass needs to happen *after* nir_lower_sampler */
1173 NIR_PASS_V(tgsi
.ir
.nir
, st_nir_lower_tex_src_plane
,
1174 ~stfp
->Base
.SamplersUsed
,
1175 key
->external
.lower_nv12
,
1176 key
->external
.lower_iyuv
);
1179 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
1180 variant
->key
= *key
;
1185 tgsi
.tokens
= stfp
->tgsi
.tokens
;
1187 assert(!(key
->bitmap
&& key
->drawpixels
));
1189 /* Fix texture targets and add fog for ATI_fs */
1191 const struct tgsi_token
*tokens
= st_fixup_atifs(tgsi
.tokens
, key
);
1194 tgsi
.tokens
= tokens
;
1196 fprintf(stderr
, "mesa: cannot post-process ATI_fs\n");
1199 /* Emulate features. */
1200 if (key
->clamp_color
|| key
->persample_shading
) {
1201 const struct tgsi_token
*tokens
;
1203 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
1204 (key
->persample_shading
? TGSI_EMU_FORCE_PERSAMPLE_INTERP
: 0);
1206 tokens
= tgsi_emulate(tgsi
.tokens
, flags
);
1209 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1210 tgsi_free_tokens(tgsi
.tokens
);
1211 tgsi
.tokens
= tokens
;
1213 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
1218 const struct tgsi_token
*tokens
;
1220 variant
->bitmap_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1222 tokens
= st_get_bitmap_shader(tgsi
.tokens
,
1223 st
->internal_target
,
1224 variant
->bitmap_sampler
,
1225 st
->needs_texcoord_semantic
,
1226 st
->bitmap
.tex_format
==
1227 PIPE_FORMAT_L8_UNORM
);
1230 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1231 tgsi_free_tokens(tgsi
.tokens
);
1232 tgsi
.tokens
= tokens
;
1234 fprintf(stderr
, "mesa: cannot create a shader for glBitmap\n");
1237 /* glDrawPixels (color only) */
1238 if (key
->drawpixels
) {
1239 const struct tgsi_token
*tokens
;
1240 unsigned scale_const
= 0, bias_const
= 0, texcoord_const
= 0;
1242 /* Find the first unused slot. */
1243 variant
->drawpix_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1245 if (key
->pixelMaps
) {
1246 unsigned samplers_used
= stfp
->Base
.SamplersUsed
|
1247 (1 << variant
->drawpix_sampler
);
1249 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
1252 if (key
->scaleAndBias
) {
1253 scale_const
= _mesa_add_state_reference(params
, scale_state
);
1254 bias_const
= _mesa_add_state_reference(params
, bias_state
);
1257 texcoord_const
= _mesa_add_state_reference(params
, texcoord_state
);
1259 tokens
= st_get_drawpix_shader(tgsi
.tokens
,
1260 st
->needs_texcoord_semantic
,
1261 key
->scaleAndBias
, scale_const
,
1262 bias_const
, key
->pixelMaps
,
1263 variant
->drawpix_sampler
,
1264 variant
->pixelmap_sampler
,
1265 texcoord_const
, st
->internal_target
);
1268 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1269 tgsi_free_tokens(tgsi
.tokens
);
1270 tgsi
.tokens
= tokens
;
1272 fprintf(stderr
, "mesa: cannot create a shader for glDrawPixels\n");
1275 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1276 const struct tgsi_token
*tokens
;
1278 /* samplers inserted would conflict, but this should be unpossible: */
1279 assert(!(key
->bitmap
|| key
->drawpixels
));
1281 tokens
= st_tgsi_lower_yuv(tgsi
.tokens
,
1282 ~stfp
->Base
.SamplersUsed
,
1283 key
->external
.lower_nv12
,
1284 key
->external
.lower_iyuv
);
1286 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1287 tgsi_free_tokens(tgsi
.tokens
);
1288 tgsi
.tokens
= tokens
;
1290 fprintf(stderr
, "mesa: cannot create a shader for samplerExternalOES\n");
1294 if (ST_DEBUG
& DEBUG_TGSI
) {
1295 tgsi_dump(tgsi
.tokens
, 0);
1299 /* fill in variant */
1300 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
1301 variant
->key
= *key
;
1303 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1304 tgsi_free_tokens(tgsi
.tokens
);
1309 * Translate fragment program if needed.
1311 struct st_fp_variant
*
1312 st_get_fp_variant(struct st_context
*st
,
1313 struct st_fragment_program
*stfp
,
1314 const struct st_fp_variant_key
*key
)
1316 struct st_fp_variant
*fpv
;
1318 /* Search for existing variant */
1319 for (fpv
= stfp
->variants
; fpv
; fpv
= fpv
->next
) {
1320 if (memcmp(&fpv
->key
, key
, sizeof(*key
)) == 0) {
1327 fpv
= st_create_fp_variant(st
, stfp
, key
);
1329 /* insert into list */
1330 fpv
->next
= stfp
->variants
;
1331 stfp
->variants
= fpv
;
1340 * Translate a program. This is common code for geometry and tessellation
1344 st_translate_program_common(struct st_context
*st
,
1345 struct gl_program
*prog
,
1346 struct glsl_to_tgsi_visitor
*glsl_to_tgsi
,
1347 struct ureg_program
*ureg
,
1348 unsigned tgsi_processor
,
1349 struct pipe_shader_state
*out_state
)
1351 GLuint inputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
1352 ubyte inputMapping
[VARYING_SLOT_TESS_MAX
];
1353 GLuint outputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
1354 ubyte outputMapping
[VARYING_SLOT_TESS_MAX
];
1357 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
1358 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
1359 uint num_inputs
= 0;
1361 ubyte output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
1362 ubyte output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
1363 uint num_outputs
= 0;
1367 memset(inputSlotToAttr
, 0, sizeof(inputSlotToAttr
));
1368 memset(inputMapping
, 0, sizeof(inputMapping
));
1369 memset(outputSlotToAttr
, 0, sizeof(outputSlotToAttr
));
1370 memset(outputMapping
, 0, sizeof(outputMapping
));
1371 memset(out_state
, 0, sizeof(*out_state
));
1373 if (prog
->info
.clip_distance_array_size
)
1374 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
1375 prog
->info
.clip_distance_array_size
);
1376 if (prog
->info
.cull_distance_array_size
)
1377 ureg_property(ureg
, TGSI_PROPERTY_NUM_CULLDIST_ENABLED
,
1378 prog
->info
.cull_distance_array_size
);
1381 * Convert Mesa program inputs to TGSI input register semantics.
1383 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1384 if ((prog
->info
.inputs_read
& BITFIELD64_BIT(attr
)) != 0) {
1385 const GLuint slot
= num_inputs
++;
1387 inputMapping
[attr
] = slot
;
1388 inputSlotToAttr
[slot
] = attr
;
1391 case VARYING_SLOT_PRIMITIVE_ID
:
1392 assert(tgsi_processor
== PIPE_SHADER_GEOMETRY
);
1393 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
1394 input_semantic_index
[slot
] = 0;
1396 case VARYING_SLOT_POS
:
1397 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
1398 input_semantic_index
[slot
] = 0;
1400 case VARYING_SLOT_COL0
:
1401 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1402 input_semantic_index
[slot
] = 0;
1404 case VARYING_SLOT_COL1
:
1405 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1406 input_semantic_index
[slot
] = 1;
1408 case VARYING_SLOT_FOGC
:
1409 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1410 input_semantic_index
[slot
] = 0;
1412 case VARYING_SLOT_CLIP_VERTEX
:
1413 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1414 input_semantic_index
[slot
] = 0;
1416 case VARYING_SLOT_CLIP_DIST0
:
1417 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1418 input_semantic_index
[slot
] = 0;
1420 case VARYING_SLOT_CLIP_DIST1
:
1421 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1422 input_semantic_index
[slot
] = 1;
1424 case VARYING_SLOT_CULL_DIST0
:
1425 case VARYING_SLOT_CULL_DIST1
:
1426 /* these should have been lowered by GLSL */
1429 case VARYING_SLOT_PSIZ
:
1430 input_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1431 input_semantic_index
[slot
] = 0;
1433 case VARYING_SLOT_TEX0
:
1434 case VARYING_SLOT_TEX1
:
1435 case VARYING_SLOT_TEX2
:
1436 case VARYING_SLOT_TEX3
:
1437 case VARYING_SLOT_TEX4
:
1438 case VARYING_SLOT_TEX5
:
1439 case VARYING_SLOT_TEX6
:
1440 case VARYING_SLOT_TEX7
:
1441 if (st
->needs_texcoord_semantic
) {
1442 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1443 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1447 case VARYING_SLOT_VAR0
:
1449 assert(attr
>= VARYING_SLOT_VAR0
||
1450 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1451 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1452 input_semantic_index
[slot
] =
1453 st_get_generic_varying_index(st
, attr
);
1459 /* Also add patch inputs. */
1460 for (attr
= 0; attr
< 32; attr
++) {
1461 if (prog
->info
.patch_inputs_read
& (1u << attr
)) {
1462 GLuint slot
= num_inputs
++;
1463 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1465 inputMapping
[patch_attr
] = slot
;
1466 inputSlotToAttr
[slot
] = patch_attr
;
1467 input_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1468 input_semantic_index
[slot
] = attr
;
1472 /* initialize output semantics to defaults */
1473 for (i
= 0; i
< PIPE_MAX_SHADER_OUTPUTS
; i
++) {
1474 output_semantic_name
[i
] = TGSI_SEMANTIC_GENERIC
;
1475 output_semantic_index
[i
] = 0;
1479 * Determine number of outputs, the (default) output register
1480 * mapping and the semantic information for each output.
1482 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1483 if (prog
->info
.outputs_written
& BITFIELD64_BIT(attr
)) {
1484 GLuint slot
= num_outputs
++;
1486 outputMapping
[attr
] = slot
;
1487 outputSlotToAttr
[slot
] = attr
;
1490 case VARYING_SLOT_POS
:
1492 output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
1493 output_semantic_index
[slot
] = 0;
1495 case VARYING_SLOT_COL0
:
1496 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1497 output_semantic_index
[slot
] = 0;
1499 case VARYING_SLOT_COL1
:
1500 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1501 output_semantic_index
[slot
] = 1;
1503 case VARYING_SLOT_BFC0
:
1504 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1505 output_semantic_index
[slot
] = 0;
1507 case VARYING_SLOT_BFC1
:
1508 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1509 output_semantic_index
[slot
] = 1;
1511 case VARYING_SLOT_FOGC
:
1512 output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1513 output_semantic_index
[slot
] = 0;
1515 case VARYING_SLOT_PSIZ
:
1516 output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1517 output_semantic_index
[slot
] = 0;
1519 case VARYING_SLOT_CLIP_VERTEX
:
1520 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1521 output_semantic_index
[slot
] = 0;
1523 case VARYING_SLOT_CLIP_DIST0
:
1524 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1525 output_semantic_index
[slot
] = 0;
1527 case VARYING_SLOT_CLIP_DIST1
:
1528 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1529 output_semantic_index
[slot
] = 1;
1531 case VARYING_SLOT_CULL_DIST0
:
1532 case VARYING_SLOT_CULL_DIST1
:
1533 /* these should have been lowered by GLSL */
1536 case VARYING_SLOT_LAYER
:
1537 output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
1538 output_semantic_index
[slot
] = 0;
1540 case VARYING_SLOT_PRIMITIVE_ID
:
1541 output_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
1542 output_semantic_index
[slot
] = 0;
1544 case VARYING_SLOT_VIEWPORT
:
1545 output_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
1546 output_semantic_index
[slot
] = 0;
1548 case VARYING_SLOT_TESS_LEVEL_OUTER
:
1549 output_semantic_name
[slot
] = TGSI_SEMANTIC_TESSOUTER
;
1550 output_semantic_index
[slot
] = 0;
1552 case VARYING_SLOT_TESS_LEVEL_INNER
:
1553 output_semantic_name
[slot
] = TGSI_SEMANTIC_TESSINNER
;
1554 output_semantic_index
[slot
] = 0;
1556 case VARYING_SLOT_TEX0
:
1557 case VARYING_SLOT_TEX1
:
1558 case VARYING_SLOT_TEX2
:
1559 case VARYING_SLOT_TEX3
:
1560 case VARYING_SLOT_TEX4
:
1561 case VARYING_SLOT_TEX5
:
1562 case VARYING_SLOT_TEX6
:
1563 case VARYING_SLOT_TEX7
:
1564 if (st
->needs_texcoord_semantic
) {
1565 output_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1566 output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1570 case VARYING_SLOT_VAR0
:
1572 assert(slot
< ARRAY_SIZE(output_semantic_name
));
1573 assert(attr
>= VARYING_SLOT_VAR0
||
1574 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1575 output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1576 output_semantic_index
[slot
] =
1577 st_get_generic_varying_index(st
, attr
);
1583 /* Also add patch outputs. */
1584 for (attr
= 0; attr
< 32; attr
++) {
1585 if (prog
->info
.patch_outputs_written
& (1u << attr
)) {
1586 GLuint slot
= num_outputs
++;
1587 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1589 outputMapping
[patch_attr
] = slot
;
1590 outputSlotToAttr
[slot
] = patch_attr
;
1591 output_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1592 output_semantic_index
[slot
] = attr
;
1596 st_translate_program(st
->ctx
,
1605 input_semantic_name
,
1606 input_semantic_index
,
1612 output_semantic_name
,
1613 output_semantic_index
);
1615 unsigned num_tokens
;
1616 out_state
->tokens
= ureg_get_tokens(ureg
, &num_tokens
);
1619 st_translate_stream_output_info(glsl_to_tgsi
,
1621 &out_state
->stream_output
);
1623 st_store_tgsi_in_disk_cache(st
, prog
, out_state
, num_tokens
);
1625 if ((ST_DEBUG
& DEBUG_TGSI
) && (ST_DEBUG
& DEBUG_MESA
)) {
1626 _mesa_print_program(prog
);
1630 if (ST_DEBUG
& DEBUG_TGSI
) {
1631 tgsi_dump(out_state
->tokens
, 0);
1638 * Translate a geometry program to create a new variant.
1641 st_translate_geometry_program(struct st_context
*st
,
1642 struct st_geometry_program
*stgp
)
1644 struct ureg_program
*ureg
;
1646 ureg
= ureg_create_with_screen(PIPE_SHADER_GEOMETRY
, st
->pipe
->screen
);
1650 ureg_property(ureg
, TGSI_PROPERTY_GS_INPUT_PRIM
,
1651 stgp
->Base
.info
.gs
.input_primitive
);
1652 ureg_property(ureg
, TGSI_PROPERTY_GS_OUTPUT_PRIM
,
1653 stgp
->Base
.info
.gs
.output_primitive
);
1654 ureg_property(ureg
, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES
,
1655 stgp
->Base
.info
.gs
.vertices_out
);
1656 ureg_property(ureg
, TGSI_PROPERTY_GS_INVOCATIONS
,
1657 stgp
->Base
.info
.gs
.invocations
);
1659 st_translate_program_common(st
, &stgp
->Base
, stgp
->glsl_to_tgsi
, ureg
,
1660 PIPE_SHADER_GEOMETRY
, &stgp
->tgsi
);
1662 free_glsl_to_tgsi_visitor(stgp
->glsl_to_tgsi
);
1663 stgp
->glsl_to_tgsi
= NULL
;
1669 * Get/create a basic program variant.
1671 struct st_basic_variant
*
1672 st_get_basic_variant(struct st_context
*st
,
1673 unsigned pipe_shader
,
1674 struct pipe_shader_state
*tgsi
,
1675 struct st_basic_variant
**variants
)
1677 struct pipe_context
*pipe
= st
->pipe
;
1678 struct st_basic_variant
*v
;
1679 struct st_basic_variant_key key
;
1681 memset(&key
, 0, sizeof(key
));
1682 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1684 /* Search for existing variant */
1685 for (v
= *variants
; v
; v
= v
->next
) {
1686 if (memcmp(&v
->key
, &key
, sizeof(key
)) == 0) {
1693 v
= CALLOC_STRUCT(st_basic_variant
);
1695 /* fill in new variant */
1696 switch (pipe_shader
) {
1697 case PIPE_SHADER_TESS_CTRL
:
1698 v
->driver_shader
= pipe
->create_tcs_state(pipe
, tgsi
);
1700 case PIPE_SHADER_TESS_EVAL
:
1701 v
->driver_shader
= pipe
->create_tes_state(pipe
, tgsi
);
1703 case PIPE_SHADER_GEOMETRY
:
1704 v
->driver_shader
= pipe
->create_gs_state(pipe
, tgsi
);
1707 assert(!"unhandled shader type");
1714 /* insert into list */
1715 v
->next
= *variants
;
1725 * Translate a tessellation control program to create a new variant.
1728 st_translate_tessctrl_program(struct st_context
*st
,
1729 struct st_tessctrl_program
*sttcp
)
1731 struct ureg_program
*ureg
;
1733 ureg
= ureg_create_with_screen(PIPE_SHADER_TESS_CTRL
, st
->pipe
->screen
);
1737 ureg_property(ureg
, TGSI_PROPERTY_TCS_VERTICES_OUT
,
1738 sttcp
->Base
.info
.tess
.tcs_vertices_out
);
1740 st_translate_program_common(st
, &sttcp
->Base
, sttcp
->glsl_to_tgsi
, ureg
,
1741 PIPE_SHADER_TESS_CTRL
, &sttcp
->tgsi
);
1743 free_glsl_to_tgsi_visitor(sttcp
->glsl_to_tgsi
);
1744 sttcp
->glsl_to_tgsi
= NULL
;
1750 * Translate a tessellation evaluation program to create a new variant.
1753 st_translate_tesseval_program(struct st_context
*st
,
1754 struct st_tesseval_program
*sttep
)
1756 struct ureg_program
*ureg
;
1758 ureg
= ureg_create_with_screen(PIPE_SHADER_TESS_EVAL
, st
->pipe
->screen
);
1762 if (sttep
->Base
.info
.tess
.primitive_mode
== GL_ISOLINES
)
1763 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, GL_LINES
);
1765 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
,
1766 sttep
->Base
.info
.tess
.primitive_mode
);
1768 STATIC_ASSERT((TESS_SPACING_EQUAL
+ 1) % 3 == PIPE_TESS_SPACING_EQUAL
);
1769 STATIC_ASSERT((TESS_SPACING_FRACTIONAL_ODD
+ 1) % 3 ==
1770 PIPE_TESS_SPACING_FRACTIONAL_ODD
);
1771 STATIC_ASSERT((TESS_SPACING_FRACTIONAL_EVEN
+ 1) % 3 ==
1772 PIPE_TESS_SPACING_FRACTIONAL_EVEN
);
1774 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1775 (sttep
->Base
.info
.tess
.spacing
+ 1) % 3);
1777 ureg_property(ureg
, TGSI_PROPERTY_TES_VERTEX_ORDER_CW
,
1778 !sttep
->Base
.info
.tess
.ccw
);
1779 ureg_property(ureg
, TGSI_PROPERTY_TES_POINT_MODE
,
1780 sttep
->Base
.info
.tess
.point_mode
);
1782 st_translate_program_common(st
, &sttep
->Base
, sttep
->glsl_to_tgsi
,
1783 ureg
, PIPE_SHADER_TESS_EVAL
, &sttep
->tgsi
);
1785 free_glsl_to_tgsi_visitor(sttep
->glsl_to_tgsi
);
1786 sttep
->glsl_to_tgsi
= NULL
;
1792 * Translate a compute program to create a new variant.
1795 st_translate_compute_program(struct st_context
*st
,
1796 struct st_compute_program
*stcp
)
1798 struct ureg_program
*ureg
;
1799 struct pipe_shader_state prog
;
1801 if (stcp
->shader_program
) {
1802 nir_shader
*nir
= st_glsl_to_nir(st
, &stcp
->Base
, stcp
->shader_program
,
1803 MESA_SHADER_COMPUTE
);
1805 /* no compute variants: */
1806 st_finalize_nir(st
, &stcp
->Base
, nir
);
1808 stcp
->tgsi
.ir_type
= PIPE_SHADER_IR_NIR
;
1809 stcp
->tgsi
.prog
= nir
;
1814 ureg
= ureg_create_with_screen(PIPE_SHADER_COMPUTE
, st
->pipe
->screen
);
1818 st_translate_program_common(st
, &stcp
->Base
, stcp
->glsl_to_tgsi
, ureg
,
1819 PIPE_SHADER_COMPUTE
, &prog
);
1821 stcp
->tgsi
.ir_type
= PIPE_SHADER_IR_TGSI
;
1822 stcp
->tgsi
.prog
= prog
.tokens
;
1823 stcp
->tgsi
.req_local_mem
= stcp
->Base
.info
.cs
.shared_size
;
1824 stcp
->tgsi
.req_private_mem
= 0;
1825 stcp
->tgsi
.req_input_mem
= 0;
1827 free_glsl_to_tgsi_visitor(stcp
->glsl_to_tgsi
);
1828 stcp
->glsl_to_tgsi
= NULL
;
1834 * Get/create compute program variant.
1836 struct st_basic_variant
*
1837 st_get_cp_variant(struct st_context
*st
,
1838 struct pipe_compute_state
*tgsi
,
1839 struct st_basic_variant
**variants
)
1841 struct pipe_context
*pipe
= st
->pipe
;
1842 struct st_basic_variant
*v
;
1843 struct st_basic_variant_key key
;
1845 memset(&key
, 0, sizeof(key
));
1846 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1848 /* Search for existing variant */
1849 for (v
= *variants
; v
; v
= v
->next
) {
1850 if (memcmp(&v
->key
, &key
, sizeof(key
)) == 0) {
1857 v
= CALLOC_STRUCT(st_basic_variant
);
1859 /* fill in new variant */
1860 v
->driver_shader
= pipe
->create_compute_state(pipe
, tgsi
);
1863 /* insert into list */
1864 v
->next
= *variants
;
1874 * Vert/Geom/Frag programs have per-context variants. Free all the
1875 * variants attached to the given program which match the given context.
1878 destroy_program_variants(struct st_context
*st
, struct gl_program
*target
)
1880 if (!target
|| target
== &_mesa_DummyProgram
)
1883 switch (target
->Target
) {
1884 case GL_VERTEX_PROGRAM_ARB
:
1886 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) target
;
1887 struct st_vp_variant
*vpv
, **prevPtr
= &stvp
->variants
;
1889 for (vpv
= stvp
->variants
; vpv
; ) {
1890 struct st_vp_variant
*next
= vpv
->next
;
1891 if (vpv
->key
.st
== st
) {
1892 /* unlink from list */
1894 /* destroy this variant */
1895 delete_vp_variant(st
, vpv
);
1898 prevPtr
= &vpv
->next
;
1904 case GL_FRAGMENT_PROGRAM_ARB
:
1906 struct st_fragment_program
*stfp
=
1907 (struct st_fragment_program
*) target
;
1908 struct st_fp_variant
*fpv
, **prevPtr
= &stfp
->variants
;
1910 for (fpv
= stfp
->variants
; fpv
; ) {
1911 struct st_fp_variant
*next
= fpv
->next
;
1912 if (fpv
->key
.st
== st
) {
1913 /* unlink from list */
1915 /* destroy this variant */
1916 delete_fp_variant(st
, fpv
);
1919 prevPtr
= &fpv
->next
;
1925 case GL_GEOMETRY_PROGRAM_NV
:
1926 case GL_TESS_CONTROL_PROGRAM_NV
:
1927 case GL_TESS_EVALUATION_PROGRAM_NV
:
1928 case GL_COMPUTE_PROGRAM_NV
:
1930 struct st_geometry_program
*gp
= (struct st_geometry_program
*)target
;
1931 struct st_tessctrl_program
*tcp
= (struct st_tessctrl_program
*)target
;
1932 struct st_tesseval_program
*tep
= (struct st_tesseval_program
*)target
;
1933 struct st_compute_program
*cp
= (struct st_compute_program
*)target
;
1934 struct st_basic_variant
**variants
=
1935 target
->Target
== GL_GEOMETRY_PROGRAM_NV
? &gp
->variants
:
1936 target
->Target
== GL_TESS_CONTROL_PROGRAM_NV
? &tcp
->variants
:
1937 target
->Target
== GL_TESS_EVALUATION_PROGRAM_NV
? &tep
->variants
:
1938 target
->Target
== GL_COMPUTE_PROGRAM_NV
? &cp
->variants
:
1940 struct st_basic_variant
*v
, **prevPtr
= variants
;
1942 for (v
= *variants
; v
; ) {
1943 struct st_basic_variant
*next
= v
->next
;
1944 if (v
->key
.st
== st
) {
1945 /* unlink from list */
1947 /* destroy this variant */
1948 delete_basic_variant(st
, v
, target
->Target
);
1958 _mesa_problem(NULL
, "Unexpected program target 0x%x in "
1959 "destroy_program_variants_cb()", target
->Target
);
1965 * Callback for _mesa_HashWalk. Free all the shader's program variants
1966 * which match the given context.
1969 destroy_shader_program_variants_cb(GLuint key
, void *data
, void *userData
)
1971 struct st_context
*st
= (struct st_context
*) userData
;
1972 struct gl_shader
*shader
= (struct gl_shader
*) data
;
1974 switch (shader
->Type
) {
1975 case GL_SHADER_PROGRAM_MESA
:
1977 struct gl_shader_program
*shProg
= (struct gl_shader_program
*) data
;
1980 for (i
= 0; i
< ARRAY_SIZE(shProg
->_LinkedShaders
); i
++) {
1981 if (shProg
->_LinkedShaders
[i
])
1982 destroy_program_variants(st
, shProg
->_LinkedShaders
[i
]->Program
);
1986 case GL_VERTEX_SHADER
:
1987 case GL_FRAGMENT_SHADER
:
1988 case GL_GEOMETRY_SHADER
:
1989 case GL_TESS_CONTROL_SHADER
:
1990 case GL_TESS_EVALUATION_SHADER
:
1991 case GL_COMPUTE_SHADER
:
2000 * Callback for _mesa_HashWalk. Free all the program variants which match
2001 * the given context.
2004 destroy_program_variants_cb(GLuint key
, void *data
, void *userData
)
2006 struct st_context
*st
= (struct st_context
*) userData
;
2007 struct gl_program
*program
= (struct gl_program
*) data
;
2008 destroy_program_variants(st
, program
);
2013 * Walk over all shaders and programs to delete any variants which
2014 * belong to the given context.
2015 * This is called during context tear-down.
2018 st_destroy_program_variants(struct st_context
*st
)
2020 /* If shaders can be shared with other contexts, the last context will
2021 * call DeleteProgram on all shaders, releasing everything.
2023 if (st
->has_shareable_shaders
)
2026 /* ARB vert/frag program */
2027 _mesa_HashWalk(st
->ctx
->Shared
->Programs
,
2028 destroy_program_variants_cb
, st
);
2030 /* GLSL vert/frag/geom shaders */
2031 _mesa_HashWalk(st
->ctx
->Shared
->ShaderObjects
,
2032 destroy_shader_program_variants_cb
, st
);
2037 * For debugging, print/dump the current vertex program.
2040 st_print_current_vertex_program(void)
2042 GET_CURRENT_CONTEXT(ctx
);
2044 if (ctx
->VertexProgram
._Current
) {
2045 struct st_vertex_program
*stvp
=
2046 (struct st_vertex_program
*) ctx
->VertexProgram
._Current
;
2047 struct st_vp_variant
*stv
;
2049 debug_printf("Vertex program %u\n", stvp
->Base
.Id
);
2051 for (stv
= stvp
->variants
; stv
; stv
= stv
->next
) {
2052 debug_printf("variant %p\n", stv
);
2053 tgsi_dump(stv
->tgsi
.tokens
, 0);
2060 * Compile one shader variant.
2063 st_precompile_shader_variant(struct st_context
*st
,
2064 struct gl_program
*prog
)
2066 switch (prog
->Target
) {
2067 case GL_VERTEX_PROGRAM_ARB
: {
2068 struct st_vertex_program
*p
= (struct st_vertex_program
*)prog
;
2069 struct st_vp_variant_key key
;
2071 memset(&key
, 0, sizeof(key
));
2072 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
2073 st_get_vp_variant(st
, p
, &key
);
2077 case GL_TESS_CONTROL_PROGRAM_NV
: {
2078 struct st_tessctrl_program
*p
= (struct st_tessctrl_program
*)prog
;
2079 st_get_basic_variant(st
, PIPE_SHADER_TESS_CTRL
, &p
->tgsi
, &p
->variants
);
2083 case GL_TESS_EVALUATION_PROGRAM_NV
: {
2084 struct st_tesseval_program
*p
= (struct st_tesseval_program
*)prog
;
2085 st_get_basic_variant(st
, PIPE_SHADER_TESS_EVAL
, &p
->tgsi
, &p
->variants
);
2089 case GL_GEOMETRY_PROGRAM_NV
: {
2090 struct st_geometry_program
*p
= (struct st_geometry_program
*)prog
;
2091 st_get_basic_variant(st
, PIPE_SHADER_GEOMETRY
, &p
->tgsi
, &p
->variants
);
2095 case GL_FRAGMENT_PROGRAM_ARB
: {
2096 struct st_fragment_program
*p
= (struct st_fragment_program
*)prog
;
2097 struct st_fp_variant_key key
;
2099 memset(&key
, 0, sizeof(key
));
2100 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
2101 st_get_fp_variant(st
, p
, &key
);
2105 case GL_COMPUTE_PROGRAM_NV
: {
2106 struct st_compute_program
*p
= (struct st_compute_program
*)prog
;
2107 st_get_cp_variant(st
, &p
->tgsi
, &p
->variants
);