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/errors.h"
35 #include "main/imports.h"
36 #include "main/hash.h"
37 #include "main/mtypes.h"
38 #include "program/prog_parameter.h"
39 #include "program/prog_print.h"
40 #include "program/prog_to_nir.h"
41 #include "program/programopt.h"
43 #include "compiler/nir/nir.h"
45 #include "pipe/p_context.h"
46 #include "pipe/p_defines.h"
47 #include "pipe/p_shader_tokens.h"
48 #include "draw/draw_context.h"
49 #include "tgsi/tgsi_dump.h"
50 #include "tgsi/tgsi_emulate.h"
51 #include "tgsi/tgsi_parse.h"
52 #include "tgsi/tgsi_ureg.h"
55 #include "st_cb_bitmap.h"
56 #include "st_cb_drawpixels.h"
57 #include "st_context.h"
58 #include "st_tgsi_lower_depth_clamp.h"
59 #include "st_tgsi_lower_yuv.h"
60 #include "st_program.h"
61 #include "st_mesa_to_tgsi.h"
62 #include "st_atifs_to_tgsi.h"
64 #include "st_shader_cache.h"
65 #include "cso_cache/cso_context.h"
70 set_affected_state_flags(uint64_t *states
,
71 struct gl_program
*prog
,
72 uint64_t new_constants
,
73 uint64_t new_sampler_views
,
74 uint64_t new_samplers
,
80 if (prog
->Parameters
->NumParameters
)
81 *states
|= new_constants
;
83 if (prog
->info
.num_textures
)
84 *states
|= new_sampler_views
| new_samplers
;
86 if (prog
->info
.num_images
)
87 *states
|= new_images
;
89 if (prog
->info
.num_ubos
)
92 if (prog
->info
.num_ssbos
)
95 if (prog
->info
.num_abos
)
96 *states
|= new_atomics
;
100 * This determines which states will be updated when the shader is bound.
103 st_set_prog_affected_state_flags(struct gl_program
*prog
)
107 switch (prog
->info
.stage
) {
108 case MESA_SHADER_VERTEX
:
109 states
= &((struct st_vertex_program
*)prog
)->affected_states
;
111 *states
= ST_NEW_VS_STATE
|
113 ST_NEW_VERTEX_ARRAYS
;
115 set_affected_state_flags(states
, prog
,
117 ST_NEW_VS_SAMPLER_VIEWS
,
125 case MESA_SHADER_TESS_CTRL
:
126 states
= &(st_common_program(prog
))->affected_states
;
128 *states
= ST_NEW_TCS_STATE
;
130 set_affected_state_flags(states
, prog
,
131 ST_NEW_TCS_CONSTANTS
,
132 ST_NEW_TCS_SAMPLER_VIEWS
,
140 case MESA_SHADER_TESS_EVAL
:
141 states
= &(st_common_program(prog
))->affected_states
;
143 *states
= ST_NEW_TES_STATE
|
146 set_affected_state_flags(states
, prog
,
147 ST_NEW_TES_CONSTANTS
,
148 ST_NEW_TES_SAMPLER_VIEWS
,
156 case MESA_SHADER_GEOMETRY
:
157 states
= &(st_common_program(prog
))->affected_states
;
159 *states
= ST_NEW_GS_STATE
|
162 set_affected_state_flags(states
, prog
,
164 ST_NEW_GS_SAMPLER_VIEWS
,
172 case MESA_SHADER_FRAGMENT
:
173 states
= &((struct st_fragment_program
*)prog
)->affected_states
;
175 /* gl_FragCoord and glDrawPixels always use constants. */
176 *states
= ST_NEW_FS_STATE
|
177 ST_NEW_SAMPLE_SHADING
|
180 set_affected_state_flags(states
, prog
,
182 ST_NEW_FS_SAMPLER_VIEWS
,
190 case MESA_SHADER_COMPUTE
:
191 states
= &((struct st_compute_program
*)prog
)->affected_states
;
193 *states
= ST_NEW_CS_STATE
;
195 set_affected_state_flags(states
, prog
,
197 ST_NEW_CS_SAMPLER_VIEWS
,
206 unreachable("unhandled shader stage");
211 delete_ir(struct pipe_shader_state
*ir
)
214 ureg_free_tokens(ir
->tokens
);
216 /* Note: Any setup of ->ir.nir that has had pipe->create_*_state called on
217 * it has resulted in the driver taking ownership of the NIR. Those
218 * callers should be NULLing out the nir field in any pipe_shader_state
219 * that might have this called in order to indicate that.
221 * GLSL IR and ARB programs will have set gl_program->nir to the same
222 * shader as ir->ir.nir, so it will be freed by _mesa_delete_program().
227 * Delete a vertex program variant. Note the caller must unlink
228 * the variant from the linked list.
231 delete_vp_variant(struct st_context
*st
, struct st_vp_variant
*vpv
)
233 if (vpv
->driver_shader
) {
234 if (st
->has_shareable_shaders
|| vpv
->key
.st
== st
) {
235 cso_delete_vertex_shader(st
->cso_context
, vpv
->driver_shader
);
237 st_save_zombie_shader(vpv
->key
.st
, PIPE_SHADER_VERTEX
,
242 if (vpv
->draw_shader
)
243 draw_delete_vertex_shader( st
->draw
, vpv
->draw_shader
);
245 delete_ir(&vpv
->tgsi
);
253 * Clean out any old compilations:
256 st_release_vp_variants( struct st_context
*st
,
257 struct st_vertex_program
*stvp
)
259 struct st_vp_variant
*vpv
;
261 for (vpv
= stvp
->variants
; vpv
; ) {
262 struct st_vp_variant
*next
= vpv
->next
;
263 delete_vp_variant(st
, vpv
);
267 stvp
->variants
= NULL
;
269 delete_ir(&stvp
->tgsi
);
275 * Delete a fragment program variant. Note the caller must unlink
276 * the variant from the linked list.
279 delete_fp_variant(struct st_context
*st
, struct st_fp_variant
*fpv
)
281 if (fpv
->driver_shader
) {
282 if (st
->has_shareable_shaders
|| fpv
->key
.st
== st
) {
283 cso_delete_fragment_shader(st
->cso_context
, fpv
->driver_shader
);
285 st_save_zombie_shader(fpv
->key
.st
, PIPE_SHADER_FRAGMENT
,
295 * Free all variants of a fragment program.
298 st_release_fp_variants(struct st_context
*st
, struct st_fragment_program
*stfp
)
300 struct st_fp_variant
*fpv
;
302 for (fpv
= stfp
->variants
; fpv
; ) {
303 struct st_fp_variant
*next
= fpv
->next
;
304 delete_fp_variant(st
, fpv
);
308 stfp
->variants
= NULL
;
310 delete_ir(&stfp
->tgsi
);
315 * Delete a basic program variant. Note the caller must unlink
316 * the variant from the linked list.
319 delete_basic_variant(struct st_context
*st
, struct st_basic_variant
*v
,
322 if (v
->driver_shader
) {
323 if (st
->has_shareable_shaders
|| v
->key
.st
== st
) {
324 /* The shader's context matches the calling context, or we
328 case GL_TESS_CONTROL_PROGRAM_NV
:
329 cso_delete_tessctrl_shader(st
->cso_context
, v
->driver_shader
);
331 case GL_TESS_EVALUATION_PROGRAM_NV
:
332 cso_delete_tesseval_shader(st
->cso_context
, v
->driver_shader
);
334 case GL_GEOMETRY_PROGRAM_NV
:
335 cso_delete_geometry_shader(st
->cso_context
, v
->driver_shader
);
337 case GL_COMPUTE_PROGRAM_NV
:
338 cso_delete_compute_shader(st
->cso_context
, v
->driver_shader
);
341 unreachable("bad shader type in delete_basic_variant");
344 /* We can't delete a shader with a context different from the one
345 * that created it. Add it to the creating context's zombie list.
347 enum pipe_shader_type type
;
349 case GL_TESS_CONTROL_PROGRAM_NV
:
350 type
= PIPE_SHADER_TESS_CTRL
;
352 case GL_TESS_EVALUATION_PROGRAM_NV
:
353 type
= PIPE_SHADER_TESS_EVAL
;
355 case GL_GEOMETRY_PROGRAM_NV
:
356 type
= PIPE_SHADER_GEOMETRY
;
361 st_save_zombie_shader(v
->key
.st
, type
, v
->driver_shader
);
370 * Free all basic program variants.
373 st_release_basic_variants(struct st_context
*st
, struct st_common_program
*p
)
375 struct st_basic_variant
*v
;
377 for (v
= p
->variants
; v
; ) {
378 struct st_basic_variant
*next
= v
->next
;
379 delete_basic_variant(st
, v
, p
->Base
.Target
);
389 * Free all variants of a compute program.
392 st_release_cp_variants(struct st_context
*st
, struct st_compute_program
*stcp
)
394 struct st_basic_variant
**variants
= &stcp
->variants
;
395 struct st_basic_variant
*v
;
397 for (v
= *variants
; v
; ) {
398 struct st_basic_variant
*next
= v
->next
;
399 delete_basic_variant(st
, v
, stcp
->Base
.Target
);
405 if (stcp
->tgsi
.prog
) {
406 switch (stcp
->tgsi
.ir_type
) {
407 case PIPE_SHADER_IR_TGSI
:
408 ureg_free_tokens(stcp
->tgsi
.prog
);
409 stcp
->tgsi
.prog
= NULL
;
411 case PIPE_SHADER_IR_NIR
:
412 /* pipe driver took ownership of prog */
414 case PIPE_SHADER_IR_NATIVE
:
416 stcp
->tgsi
.prog
= NULL
;
418 case PIPE_SHADER_IR_NIR_SERIALIZED
:
419 unreachable("serialized nirs aren't passed through st/mesa");
426 * Translate ARB (asm) program to NIR
429 st_translate_prog_to_nir(struct st_context
*st
, struct gl_program
*prog
,
430 gl_shader_stage stage
)
432 const struct gl_shader_compiler_options
*options
=
433 &st
->ctx
->Const
.ShaderCompilerOptions
[stage
];
435 /* Translate to NIR */
436 nir_shader
*nir
= prog_to_nir(prog
, options
->NirOptions
);
437 NIR_PASS_V(nir
, nir_lower_regs_to_ssa
); /* turn registers into SSA */
438 nir_validate_shader(nir
, "after st/ptn lower_regs_to_ssa");
440 NIR_PASS_V(nir
, st_nir_lower_wpos_ytransform
, prog
, st
->pipe
->screen
);
441 NIR_PASS_V(nir
, nir_lower_system_values
);
444 NIR_PASS_V(nir
, nir_opt_constant_folding
);
446 nir_validate_shader(nir
, "after st/ptn NIR opts");
452 * Translate a vertex program.
455 st_translate_vertex_program(struct st_context
*st
,
456 struct st_vertex_program
*stvp
)
458 struct ureg_program
*ureg
;
459 enum pipe_error error
;
460 unsigned num_outputs
= 0;
462 ubyte output_semantic_name
[VARYING_SLOT_MAX
] = {0};
463 ubyte output_semantic_index
[VARYING_SLOT_MAX
] = {0};
465 stvp
->num_inputs
= 0;
466 memset(stvp
->input_to_index
, ~0, sizeof(stvp
->input_to_index
));
468 if (stvp
->Base
.arb
.IsPositionInvariant
)
469 _mesa_insert_mvp_code(st
->ctx
, &stvp
->Base
);
472 * Determine number of inputs, the mappings between VERT_ATTRIB_x
473 * and TGSI generic input indexes, plus input attrib semantic info.
475 for (attr
= 0; attr
< VERT_ATTRIB_MAX
; attr
++) {
476 if ((stvp
->Base
.info
.inputs_read
& BITFIELD64_BIT(attr
)) != 0) {
477 stvp
->input_to_index
[attr
] = stvp
->num_inputs
;
478 stvp
->index_to_input
[stvp
->num_inputs
] = attr
;
480 if ((stvp
->Base
.DualSlotInputs
& BITFIELD64_BIT(attr
)) != 0) {
481 /* add placeholder for second part of a double attribute */
482 stvp
->index_to_input
[stvp
->num_inputs
] = ST_DOUBLE_ATTRIB_PLACEHOLDER
;
487 /* bit of a hack, presetup potentially unused edgeflag input */
488 stvp
->input_to_index
[VERT_ATTRIB_EDGEFLAG
] = stvp
->num_inputs
;
489 stvp
->index_to_input
[stvp
->num_inputs
] = VERT_ATTRIB_EDGEFLAG
;
491 /* Compute mapping of vertex program outputs to slots.
493 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
494 if ((stvp
->Base
.info
.outputs_written
& BITFIELD64_BIT(attr
)) == 0) {
495 stvp
->result_to_output
[attr
] = ~0;
498 unsigned slot
= num_outputs
++;
500 stvp
->result_to_output
[attr
] = slot
;
502 unsigned semantic_name
, semantic_index
;
503 tgsi_get_gl_varying_semantic(attr
, st
->needs_texcoord_semantic
,
504 &semantic_name
, &semantic_index
);
505 output_semantic_name
[slot
] = semantic_name
;
506 output_semantic_index
[slot
] = semantic_index
;
509 /* similar hack to above, presetup potentially unused edgeflag output */
510 stvp
->result_to_output
[VARYING_SLOT_EDGE
] = num_outputs
;
511 output_semantic_name
[num_outputs
] = TGSI_SEMANTIC_EDGEFLAG
;
512 output_semantic_index
[num_outputs
] = 0;
515 if (!stvp
->glsl_to_tgsi
&& !stvp
->shader_program
) {
516 _mesa_remove_output_reads(&stvp
->Base
, PROGRAM_OUTPUT
);
518 /* This determines which states will be updated when the assembly
521 stvp
->affected_states
= ST_NEW_VS_STATE
|
523 ST_NEW_VERTEX_ARRAYS
;
525 if (stvp
->Base
.Parameters
->NumParameters
)
526 stvp
->affected_states
|= ST_NEW_VS_CONSTANTS
;
528 /* No samplers are allowed in ARB_vp. */
531 if (stvp
->shader_program
) {
532 st_translate_stream_output_info(stvp
->Base
.sh
.LinkedTransformFeedback
,
533 stvp
->result_to_output
,
534 &stvp
->tgsi
.stream_output
);
536 st_store_ir_in_disk_cache(st
, &stvp
->Base
, true);
540 ureg
= ureg_create_with_screen(PIPE_SHADER_VERTEX
, st
->pipe
->screen
);
544 if (stvp
->Base
.info
.clip_distance_array_size
)
545 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
546 stvp
->Base
.info
.clip_distance_array_size
);
547 if (stvp
->Base
.info
.cull_distance_array_size
)
548 ureg_property(ureg
, TGSI_PROPERTY_NUM_CULLDIST_ENABLED
,
549 stvp
->Base
.info
.cull_distance_array_size
);
551 if (ST_DEBUG
& DEBUG_MESA
) {
552 _mesa_print_program(&stvp
->Base
);
553 _mesa_print_program_parameters(st
->ctx
, &stvp
->Base
);
557 if (stvp
->glsl_to_tgsi
) {
558 error
= st_translate_program(st
->ctx
,
565 stvp
->input_to_index
,
566 NULL
, /* inputSlotToAttr */
567 NULL
, /* input semantic name */
568 NULL
, /* input semantic index */
569 NULL
, /* interp mode */
572 stvp
->result_to_output
,
573 output_semantic_name
,
574 output_semantic_index
);
576 st_translate_stream_output_info(stvp
->Base
.sh
.LinkedTransformFeedback
,
577 stvp
->result_to_output
,
578 &stvp
->tgsi
.stream_output
);
580 free_glsl_to_tgsi_visitor(stvp
->glsl_to_tgsi
);
582 error
= st_translate_mesa_program(st
->ctx
,
588 stvp
->input_to_index
,
589 NULL
, /* input semantic name */
590 NULL
, /* input semantic index */
594 stvp
->result_to_output
,
595 output_semantic_name
,
596 output_semantic_index
);
599 debug_printf("%s: failed to translate Mesa program:\n", __func__
);
600 _mesa_print_program(&stvp
->Base
);
605 stvp
->tgsi
.tokens
= ureg_get_tokens(ureg
, &stvp
->num_tgsi_tokens
);
608 if (stvp
->glsl_to_tgsi
) {
609 stvp
->glsl_to_tgsi
= NULL
;
610 st_store_ir_in_disk_cache(st
, &stvp
->Base
, false);
613 bool use_nir
= PIPE_SHADER_IR_NIR
==
614 st
->pipe
->screen
->get_shader_param(st
->pipe
->screen
, PIPE_SHADER_VERTEX
,
615 PIPE_SHADER_CAP_PREFERRED_IR
);
619 st_translate_prog_to_nir(st
, &stvp
->Base
, MESA_SHADER_VERTEX
);
621 if (stvp
->tgsi
.ir
.nir
)
622 ralloc_free(stvp
->tgsi
.ir
.nir
);
623 stvp
->tgsi
.type
= PIPE_SHADER_IR_NIR
;
624 stvp
->tgsi
.ir
.nir
= nir
;
625 stvp
->Base
.nir
= nir
;
629 return stvp
->tgsi
.tokens
!= NULL
;
632 static const gl_state_index16 depth_range_state
[STATE_LENGTH
] =
633 { STATE_DEPTH_RANGE
};
635 static struct st_vp_variant
*
636 st_create_vp_variant(struct st_context
*st
,
637 struct st_vertex_program
*stvp
,
638 const struct st_vp_variant_key
*key
)
640 struct st_vp_variant
*vpv
= CALLOC_STRUCT(st_vp_variant
);
641 struct pipe_context
*pipe
= st
->pipe
;
642 struct gl_program_parameter_list
*params
= stvp
->Base
.Parameters
;
645 vpv
->tgsi
.stream_output
= stvp
->tgsi
.stream_output
;
646 vpv
->num_inputs
= stvp
->num_inputs
;
648 /* When generating a NIR program, we usually don't have TGSI tokens.
649 * However, we do create them for ARB_vertex_program / fixed-function VS
650 * programs which we may need to use with the draw module for legacy
651 * feedback/select emulation. If they exist, copy them.
653 if (stvp
->tgsi
.tokens
)
654 vpv
->tgsi
.tokens
= tgsi_dup_tokens(stvp
->tgsi
.tokens
);
656 if (stvp
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
657 vpv
->tgsi
.type
= PIPE_SHADER_IR_NIR
;
658 vpv
->tgsi
.ir
.nir
= nir_shader_clone(NULL
, stvp
->tgsi
.ir
.nir
);
659 if (key
->clamp_color
)
660 NIR_PASS_V(vpv
->tgsi
.ir
.nir
, nir_lower_clamp_color_outputs
);
661 if (key
->passthrough_edgeflags
) {
662 NIR_PASS_V(vpv
->tgsi
.ir
.nir
, nir_lower_passthrough_edgeflags
);
666 st_finalize_nir(st
, &stvp
->Base
, stvp
->shader_program
,
669 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
670 /* driver takes ownership of IR: */
671 vpv
->tgsi
.ir
.nir
= NULL
;
675 /* Emulate features. */
676 if (key
->clamp_color
|| key
->passthrough_edgeflags
) {
677 const struct tgsi_token
*tokens
;
679 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
680 (key
->passthrough_edgeflags
? TGSI_EMU_PASSTHROUGH_EDGEFLAG
: 0);
682 tokens
= tgsi_emulate(vpv
->tgsi
.tokens
, flags
);
685 tgsi_free_tokens(vpv
->tgsi
.tokens
);
686 vpv
->tgsi
.tokens
= tokens
;
688 if (key
->passthrough_edgeflags
)
691 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
694 if (key
->lower_depth_clamp
) {
695 unsigned depth_range_const
=
696 _mesa_add_state_reference(params
, depth_range_state
);
698 const struct tgsi_token
*tokens
;
699 tokens
= st_tgsi_lower_depth_clamp(vpv
->tgsi
.tokens
, depth_range_const
,
700 key
->clip_negative_one_to_one
);
701 if (tokens
!= vpv
->tgsi
.tokens
)
702 tgsi_free_tokens(vpv
->tgsi
.tokens
);
703 vpv
->tgsi
.tokens
= tokens
;
706 if (ST_DEBUG
& DEBUG_TGSI
) {
707 tgsi_dump(vpv
->tgsi
.tokens
, 0);
711 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
717 * Find/create a vertex program variant.
719 struct st_vp_variant
*
720 st_get_vp_variant(struct st_context
*st
,
721 struct st_vertex_program
*stvp
,
722 const struct st_vp_variant_key
*key
)
724 struct st_vp_variant
*vpv
;
726 /* Search for existing variant */
727 for (vpv
= stvp
->variants
; vpv
; vpv
= vpv
->next
) {
728 if (memcmp(&vpv
->key
, key
, sizeof(*key
)) == 0) {
735 vpv
= st_create_vp_variant(st
, stvp
, key
);
737 for (unsigned index
= 0; index
< vpv
->num_inputs
; ++index
) {
738 unsigned attr
= stvp
->index_to_input
[index
];
739 if (attr
== ST_DOUBLE_ATTRIB_PLACEHOLDER
)
741 vpv
->vert_attrib_mask
|= 1u << attr
;
744 /* insert into list */
745 vpv
->next
= stvp
->variants
;
746 stvp
->variants
= vpv
;
755 * Translate a Mesa fragment shader into a TGSI shader.
758 st_translate_fragment_program(struct st_context
*st
,
759 struct st_fragment_program
*stfp
)
761 /* We have already compiled to NIR so just return */
762 if (stfp
->shader_program
) {
763 st_store_ir_in_disk_cache(st
, &stfp
->Base
, true);
767 ubyte outputMapping
[2 * FRAG_RESULT_MAX
];
768 ubyte inputMapping
[VARYING_SLOT_MAX
];
769 ubyte inputSlotToAttr
[VARYING_SLOT_MAX
];
770 ubyte interpMode
[PIPE_MAX_SHADER_INPUTS
]; /* XXX size? */
772 GLbitfield64 inputsRead
;
773 struct ureg_program
*ureg
;
775 GLboolean write_all
= GL_FALSE
;
777 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
778 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
779 uint fs_num_inputs
= 0;
781 ubyte fs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
782 ubyte fs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
783 uint fs_num_outputs
= 0;
785 memset(inputSlotToAttr
, ~0, sizeof(inputSlotToAttr
));
787 /* Non-GLSL programs: */
788 if (!stfp
->glsl_to_tgsi
&& !stfp
->shader_program
) {
789 _mesa_remove_output_reads(&stfp
->Base
, PROGRAM_OUTPUT
);
790 if (st
->ctx
->Const
.GLSLFragCoordIsSysVal
)
791 _mesa_program_fragment_position_to_sysval(&stfp
->Base
);
793 /* This determines which states will be updated when the assembly
796 * fragment.position and glDrawPixels always use constants.
798 stfp
->affected_states
= ST_NEW_FS_STATE
|
799 ST_NEW_SAMPLE_SHADING
|
803 /* Just set them for ATI_fs unconditionally. */
804 stfp
->affected_states
|= ST_NEW_FS_SAMPLER_VIEWS
|
808 if (stfp
->Base
.SamplersUsed
)
809 stfp
->affected_states
|= ST_NEW_FS_SAMPLER_VIEWS
|
815 bool use_nir
= PIPE_SHADER_IR_NIR
==
816 st
->pipe
->screen
->get_shader_param(st
->pipe
->screen
,
817 PIPE_SHADER_FRAGMENT
,
818 PIPE_SHADER_CAP_PREFERRED_IR
);
820 if (use_nir
&& !stfp
->ati_fs
) {
822 st_translate_prog_to_nir(st
, &stfp
->Base
, MESA_SHADER_FRAGMENT
);
824 if (stfp
->tgsi
.ir
.nir
)
825 ralloc_free(stfp
->tgsi
.ir
.nir
);
826 stfp
->tgsi
.type
= PIPE_SHADER_IR_NIR
;
827 stfp
->tgsi
.ir
.nir
= nir
;
828 stfp
->Base
.nir
= nir
;
833 * Convert Mesa program inputs to TGSI input register semantics.
835 inputsRead
= stfp
->Base
.info
.inputs_read
;
836 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
837 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
838 const GLuint slot
= fs_num_inputs
++;
840 inputMapping
[attr
] = slot
;
841 inputSlotToAttr
[slot
] = attr
;
844 case VARYING_SLOT_POS
:
845 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
846 input_semantic_index
[slot
] = 0;
847 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
849 case VARYING_SLOT_COL0
:
850 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
851 input_semantic_index
[slot
] = 0;
852 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
853 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_COLOR
;
855 case VARYING_SLOT_COL1
:
856 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
857 input_semantic_index
[slot
] = 1;
858 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
859 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_COLOR
;
861 case VARYING_SLOT_FOGC
:
862 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
863 input_semantic_index
[slot
] = 0;
864 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
866 case VARYING_SLOT_FACE
:
867 input_semantic_name
[slot
] = TGSI_SEMANTIC_FACE
;
868 input_semantic_index
[slot
] = 0;
869 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
871 case VARYING_SLOT_PRIMITIVE_ID
:
872 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
873 input_semantic_index
[slot
] = 0;
874 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
876 case VARYING_SLOT_LAYER
:
877 input_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
878 input_semantic_index
[slot
] = 0;
879 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
881 case VARYING_SLOT_VIEWPORT
:
882 input_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
883 input_semantic_index
[slot
] = 0;
884 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
886 case VARYING_SLOT_CLIP_DIST0
:
887 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
888 input_semantic_index
[slot
] = 0;
889 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
891 case VARYING_SLOT_CLIP_DIST1
:
892 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
893 input_semantic_index
[slot
] = 1;
894 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
896 case VARYING_SLOT_CULL_DIST0
:
897 case VARYING_SLOT_CULL_DIST1
:
898 /* these should have been lowered by GLSL */
901 /* In most cases, there is nothing special about these
902 * inputs, so adopt a convention to use the generic
903 * semantic name and the mesa VARYING_SLOT_ number as the
906 * All that is required is that the vertex shader labels
907 * its own outputs similarly, and that the vertex shader
908 * generates at least every output required by the
909 * fragment shader plus fixed-function hardware (such as
912 * However, some drivers may need us to identify the PNTC and TEXi
913 * varyings if, for example, their capability to replace them with
914 * sprite coordinates is limited.
916 case VARYING_SLOT_PNTC
:
917 if (st
->needs_texcoord_semantic
) {
918 input_semantic_name
[slot
] = TGSI_SEMANTIC_PCOORD
;
919 input_semantic_index
[slot
] = 0;
920 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
924 case VARYING_SLOT_TEX0
:
925 case VARYING_SLOT_TEX1
:
926 case VARYING_SLOT_TEX2
:
927 case VARYING_SLOT_TEX3
:
928 case VARYING_SLOT_TEX4
:
929 case VARYING_SLOT_TEX5
:
930 case VARYING_SLOT_TEX6
:
931 case VARYING_SLOT_TEX7
:
932 if (st
->needs_texcoord_semantic
) {
933 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
934 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
935 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
936 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_PERSPECTIVE
;
940 case VARYING_SLOT_VAR0
:
942 /* Semantic indices should be zero-based because drivers may choose
943 * to assign a fixed slot determined by that index.
944 * This is useful because ARB_separate_shader_objects uses location
945 * qualifiers for linkage, and if the semantic index corresponds to
946 * these locations, linkage passes in the driver become unecessary.
948 * If needs_texcoord_semantic is true, no semantic indices will be
949 * consumed for the TEXi varyings, and we can base the locations of
950 * the user varyings on VAR0. Otherwise, we use TEX0 as base index.
952 assert(attr
>= VARYING_SLOT_VAR0
|| attr
== VARYING_SLOT_PNTC
||
953 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
954 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
955 input_semantic_index
[slot
] = st_get_generic_varying_index(st
, attr
);
956 if (attr
== VARYING_SLOT_PNTC
)
957 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
959 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
960 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_PERSPECTIVE
;
966 inputMapping
[attr
] = -1;
971 * Semantics and mapping for outputs
973 GLbitfield64 outputsWritten
= stfp
->Base
.info
.outputs_written
;
975 /* if z is written, emit that first */
976 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
977 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_POSITION
;
978 fs_output_semantic_index
[fs_num_outputs
] = 0;
979 outputMapping
[FRAG_RESULT_DEPTH
] = fs_num_outputs
;
981 outputsWritten
&= ~(1 << FRAG_RESULT_DEPTH
);
984 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_STENCIL
)) {
985 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_STENCIL
;
986 fs_output_semantic_index
[fs_num_outputs
] = 0;
987 outputMapping
[FRAG_RESULT_STENCIL
] = fs_num_outputs
;
989 outputsWritten
&= ~(1 << FRAG_RESULT_STENCIL
);
992 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK
)) {
993 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_SAMPLEMASK
;
994 fs_output_semantic_index
[fs_num_outputs
] = 0;
995 outputMapping
[FRAG_RESULT_SAMPLE_MASK
] = fs_num_outputs
;
997 outputsWritten
&= ~(1 << FRAG_RESULT_SAMPLE_MASK
);
1000 /* handle remaining outputs (color) */
1001 for (attr
= 0; attr
< ARRAY_SIZE(outputMapping
); attr
++) {
1002 const GLbitfield64 written
= attr
< FRAG_RESULT_MAX
? outputsWritten
:
1003 stfp
->Base
.SecondaryOutputsWritten
;
1004 const unsigned loc
= attr
% FRAG_RESULT_MAX
;
1006 if (written
& BITFIELD64_BIT(loc
)) {
1008 case FRAG_RESULT_DEPTH
:
1009 case FRAG_RESULT_STENCIL
:
1010 case FRAG_RESULT_SAMPLE_MASK
:
1014 case FRAG_RESULT_COLOR
:
1015 write_all
= GL_TRUE
; /* fallthrough */
1018 assert(loc
== FRAG_RESULT_COLOR
||
1019 (FRAG_RESULT_DATA0
<= loc
&& loc
< FRAG_RESULT_MAX
));
1021 index
= (loc
== FRAG_RESULT_COLOR
) ? 0 : (loc
- FRAG_RESULT_DATA0
);
1023 if (attr
>= FRAG_RESULT_MAX
) {
1024 /* Secondary color for dual source blending. */
1029 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_COLOR
;
1030 fs_output_semantic_index
[fs_num_outputs
] = index
;
1031 outputMapping
[attr
] = fs_num_outputs
;
1040 ureg
= ureg_create_with_screen(PIPE_SHADER_FRAGMENT
, st
->pipe
->screen
);
1044 if (ST_DEBUG
& DEBUG_MESA
) {
1045 _mesa_print_program(&stfp
->Base
);
1046 _mesa_print_program_parameters(st
->ctx
, &stfp
->Base
);
1049 if (write_all
== GL_TRUE
)
1050 ureg_property(ureg
, TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS
, 1);
1052 if (stfp
->Base
.info
.fs
.depth_layout
!= FRAG_DEPTH_LAYOUT_NONE
) {
1053 switch (stfp
->Base
.info
.fs
.depth_layout
) {
1054 case FRAG_DEPTH_LAYOUT_ANY
:
1055 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1056 TGSI_FS_DEPTH_LAYOUT_ANY
);
1058 case FRAG_DEPTH_LAYOUT_GREATER
:
1059 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1060 TGSI_FS_DEPTH_LAYOUT_GREATER
);
1062 case FRAG_DEPTH_LAYOUT_LESS
:
1063 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1064 TGSI_FS_DEPTH_LAYOUT_LESS
);
1066 case FRAG_DEPTH_LAYOUT_UNCHANGED
:
1067 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1068 TGSI_FS_DEPTH_LAYOUT_UNCHANGED
);
1075 if (stfp
->glsl_to_tgsi
) {
1076 st_translate_program(st
->ctx
,
1077 PIPE_SHADER_FRAGMENT
,
1085 input_semantic_name
,
1086 input_semantic_index
,
1091 fs_output_semantic_name
,
1092 fs_output_semantic_index
);
1094 free_glsl_to_tgsi_visitor(stfp
->glsl_to_tgsi
);
1095 } else if (stfp
->ati_fs
)
1096 st_translate_atifs_program(ureg
,
1102 input_semantic_name
,
1103 input_semantic_index
,
1108 fs_output_semantic_name
,
1109 fs_output_semantic_index
);
1111 st_translate_mesa_program(st
->ctx
,
1112 PIPE_SHADER_FRAGMENT
,
1118 input_semantic_name
,
1119 input_semantic_index
,
1124 fs_output_semantic_name
,
1125 fs_output_semantic_index
);
1127 stfp
->tgsi
.tokens
= ureg_get_tokens(ureg
, &stfp
->num_tgsi_tokens
);
1130 if (stfp
->glsl_to_tgsi
) {
1131 stfp
->glsl_to_tgsi
= NULL
;
1132 st_store_ir_in_disk_cache(st
, &stfp
->Base
, false);
1135 return stfp
->tgsi
.tokens
!= NULL
;
1138 static struct st_fp_variant
*
1139 st_create_fp_variant(struct st_context
*st
,
1140 struct st_fragment_program
*stfp
,
1141 const struct st_fp_variant_key
*key
)
1143 struct pipe_context
*pipe
= st
->pipe
;
1144 struct st_fp_variant
*variant
= CALLOC_STRUCT(st_fp_variant
);
1145 struct pipe_shader_state tgsi
= {0};
1146 struct gl_program_parameter_list
*params
= stfp
->Base
.Parameters
;
1147 static const gl_state_index16 texcoord_state
[STATE_LENGTH
] =
1148 { STATE_INTERNAL
, STATE_CURRENT_ATTRIB
, VERT_ATTRIB_TEX0
};
1149 static const gl_state_index16 scale_state
[STATE_LENGTH
] =
1150 { STATE_INTERNAL
, STATE_PT_SCALE
};
1151 static const gl_state_index16 bias_state
[STATE_LENGTH
] =
1152 { STATE_INTERNAL
, STATE_PT_BIAS
};
1157 if (stfp
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
1158 tgsi
.type
= PIPE_SHADER_IR_NIR
;
1159 tgsi
.ir
.nir
= nir_shader_clone(NULL
, stfp
->tgsi
.ir
.nir
);
1161 if (key
->clamp_color
)
1162 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_clamp_color_outputs
);
1164 if (key
->persample_shading
) {
1165 nir_shader
*shader
= tgsi
.ir
.nir
;
1166 nir_foreach_variable(var
, &shader
->inputs
)
1167 var
->data
.sample
= true;
1170 assert(!(key
->bitmap
&& key
->drawpixels
));
1174 nir_lower_bitmap_options options
= {0};
1176 variant
->bitmap_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1177 options
.sampler
= variant
->bitmap_sampler
;
1178 options
.swizzle_xxxx
= st
->bitmap
.tex_format
== PIPE_FORMAT_R8_UNORM
;
1180 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_bitmap
, &options
);
1183 /* glDrawPixels (color only) */
1184 if (key
->drawpixels
) {
1185 nir_lower_drawpixels_options options
= {{0}};
1186 unsigned samplers_used
= stfp
->Base
.SamplersUsed
;
1188 /* Find the first unused slot. */
1189 variant
->drawpix_sampler
= ffs(~samplers_used
) - 1;
1190 options
.drawpix_sampler
= variant
->drawpix_sampler
;
1191 samplers_used
|= (1 << variant
->drawpix_sampler
);
1193 options
.pixel_maps
= key
->pixelMaps
;
1194 if (key
->pixelMaps
) {
1195 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
1196 options
.pixelmap_sampler
= variant
->pixelmap_sampler
;
1199 options
.scale_and_bias
= key
->scaleAndBias
;
1200 if (key
->scaleAndBias
) {
1201 _mesa_add_state_reference(params
, scale_state
);
1202 memcpy(options
.scale_state_tokens
, scale_state
,
1203 sizeof(options
.scale_state_tokens
));
1204 _mesa_add_state_reference(params
, bias_state
);
1205 memcpy(options
.bias_state_tokens
, bias_state
,
1206 sizeof(options
.bias_state_tokens
));
1209 _mesa_add_state_reference(params
, texcoord_state
);
1210 memcpy(options
.texcoord_state_tokens
, texcoord_state
,
1211 sizeof(options
.texcoord_state_tokens
));
1213 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_drawpixels
, &options
);
1216 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
||
1217 key
->external
.lower_xy_uxvx
|| key
->external
.lower_yx_xuxv
||
1218 key
->external
.lower_ayuv
|| key
->external
.lower_xyuv
)) {
1219 nir_lower_tex_options options
= {0};
1220 options
.lower_y_uv_external
= key
->external
.lower_nv12
;
1221 options
.lower_y_u_v_external
= key
->external
.lower_iyuv
;
1222 options
.lower_xy_uxvx_external
= key
->external
.lower_xy_uxvx
;
1223 options
.lower_yx_xuxv_external
= key
->external
.lower_yx_xuxv
;
1224 options
.lower_ayuv_external
= key
->external
.lower_ayuv
;
1225 options
.lower_xyuv_external
= key
->external
.lower_xyuv
;
1226 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_tex
, &options
);
1229 st_finalize_nir(st
, &stfp
->Base
, stfp
->shader_program
, tgsi
.ir
.nir
);
1231 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
||
1232 key
->external
.lower_xy_uxvx
|| key
->external
.lower_yx_xuxv
)) {
1233 /* This pass needs to happen *after* nir_lower_sampler */
1234 NIR_PASS_V(tgsi
.ir
.nir
, st_nir_lower_tex_src_plane
,
1235 ~stfp
->Base
.SamplersUsed
,
1236 key
->external
.lower_nv12
|| key
->external
.lower_xy_uxvx
||
1237 key
->external
.lower_yx_xuxv
,
1238 key
->external
.lower_iyuv
);
1241 /* Some of the lowering above may have introduced new varyings */
1242 nir_shader_gather_info(tgsi
.ir
.nir
,
1243 nir_shader_get_entrypoint(tgsi
.ir
.nir
));
1245 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
1246 variant
->key
= *key
;
1251 tgsi
.tokens
= stfp
->tgsi
.tokens
;
1253 assert(!(key
->bitmap
&& key
->drawpixels
));
1255 /* Fix texture targets and add fog for ATI_fs */
1257 const struct tgsi_token
*tokens
= st_fixup_atifs(tgsi
.tokens
, key
);
1260 tgsi
.tokens
= tokens
;
1262 fprintf(stderr
, "mesa: cannot post-process ATI_fs\n");
1265 /* Emulate features. */
1266 if (key
->clamp_color
|| key
->persample_shading
) {
1267 const struct tgsi_token
*tokens
;
1269 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
1270 (key
->persample_shading
? TGSI_EMU_FORCE_PERSAMPLE_INTERP
: 0);
1272 tokens
= tgsi_emulate(tgsi
.tokens
, flags
);
1275 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1276 tgsi_free_tokens(tgsi
.tokens
);
1277 tgsi
.tokens
= tokens
;
1279 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
1284 const struct tgsi_token
*tokens
;
1286 variant
->bitmap_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1288 tokens
= st_get_bitmap_shader(tgsi
.tokens
,
1289 st
->internal_target
,
1290 variant
->bitmap_sampler
,
1291 st
->needs_texcoord_semantic
,
1292 st
->bitmap
.tex_format
==
1293 PIPE_FORMAT_R8_UNORM
);
1296 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1297 tgsi_free_tokens(tgsi
.tokens
);
1298 tgsi
.tokens
= tokens
;
1300 fprintf(stderr
, "mesa: cannot create a shader for glBitmap\n");
1303 /* glDrawPixels (color only) */
1304 if (key
->drawpixels
) {
1305 const struct tgsi_token
*tokens
;
1306 unsigned scale_const
= 0, bias_const
= 0, texcoord_const
= 0;
1308 /* Find the first unused slot. */
1309 variant
->drawpix_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1311 if (key
->pixelMaps
) {
1312 unsigned samplers_used
= stfp
->Base
.SamplersUsed
|
1313 (1 << variant
->drawpix_sampler
);
1315 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
1318 if (key
->scaleAndBias
) {
1319 scale_const
= _mesa_add_state_reference(params
, scale_state
);
1320 bias_const
= _mesa_add_state_reference(params
, bias_state
);
1323 texcoord_const
= _mesa_add_state_reference(params
, texcoord_state
);
1325 tokens
= st_get_drawpix_shader(tgsi
.tokens
,
1326 st
->needs_texcoord_semantic
,
1327 key
->scaleAndBias
, scale_const
,
1328 bias_const
, key
->pixelMaps
,
1329 variant
->drawpix_sampler
,
1330 variant
->pixelmap_sampler
,
1331 texcoord_const
, st
->internal_target
);
1334 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1335 tgsi_free_tokens(tgsi
.tokens
);
1336 tgsi
.tokens
= tokens
;
1338 fprintf(stderr
, "mesa: cannot create a shader for glDrawPixels\n");
1341 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
||
1342 key
->external
.lower_xy_uxvx
|| key
->external
.lower_yx_xuxv
)) {
1343 const struct tgsi_token
*tokens
;
1345 /* samplers inserted would conflict, but this should be unpossible: */
1346 assert(!(key
->bitmap
|| key
->drawpixels
));
1348 tokens
= st_tgsi_lower_yuv(tgsi
.tokens
,
1349 ~stfp
->Base
.SamplersUsed
,
1350 key
->external
.lower_nv12
||
1351 key
->external
.lower_xy_uxvx
||
1352 key
->external
.lower_yx_xuxv
,
1353 key
->external
.lower_iyuv
);
1355 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1356 tgsi_free_tokens(tgsi
.tokens
);
1357 tgsi
.tokens
= tokens
;
1359 fprintf(stderr
, "mesa: cannot create a shader for samplerExternalOES\n");
1363 if (key
->lower_depth_clamp
) {
1364 unsigned depth_range_const
= _mesa_add_state_reference(params
, depth_range_state
);
1366 const struct tgsi_token
*tokens
;
1367 tokens
= st_tgsi_lower_depth_clamp_fs(tgsi
.tokens
, depth_range_const
);
1368 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1369 tgsi_free_tokens(tgsi
.tokens
);
1370 tgsi
.tokens
= tokens
;
1373 if (ST_DEBUG
& DEBUG_TGSI
) {
1374 tgsi_dump(tgsi
.tokens
, 0);
1378 /* fill in variant */
1379 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
1380 variant
->key
= *key
;
1382 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1383 tgsi_free_tokens(tgsi
.tokens
);
1388 * Translate fragment program if needed.
1390 struct st_fp_variant
*
1391 st_get_fp_variant(struct st_context
*st
,
1392 struct st_fragment_program
*stfp
,
1393 const struct st_fp_variant_key
*key
)
1395 struct st_fp_variant
*fpv
;
1397 /* Search for existing variant */
1398 for (fpv
= stfp
->variants
; fpv
; fpv
= fpv
->next
) {
1399 if (memcmp(&fpv
->key
, key
, sizeof(*key
)) == 0) {
1406 fpv
= st_create_fp_variant(st
, stfp
, key
);
1408 if (key
->bitmap
|| key
->drawpixels
) {
1409 /* Regular variants should always come before the
1410 * bitmap & drawpixels variants, (unless there
1411 * are no regular variants) so that
1412 * st_update_fp can take a fast path when
1413 * shader_has_one_variant is set.
1415 if (!stfp
->variants
) {
1416 stfp
->variants
= fpv
;
1418 /* insert into list after the first one */
1419 fpv
->next
= stfp
->variants
->next
;
1420 stfp
->variants
->next
= fpv
;
1423 /* insert into list */
1424 fpv
->next
= stfp
->variants
;
1425 stfp
->variants
= fpv
;
1435 * Translate a program. This is common code for geometry and tessellation
1439 st_translate_program_common(struct st_context
*st
,
1440 struct gl_program
*prog
,
1441 struct glsl_to_tgsi_visitor
*glsl_to_tgsi
,
1442 struct ureg_program
*ureg
,
1443 unsigned tgsi_processor
,
1444 struct pipe_shader_state
*out_state
)
1446 ubyte inputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
1447 ubyte inputMapping
[VARYING_SLOT_TESS_MAX
];
1448 ubyte outputMapping
[VARYING_SLOT_TESS_MAX
];
1451 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
1452 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
1453 uint num_inputs
= 0;
1455 ubyte output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
1456 ubyte output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
1457 uint num_outputs
= 0;
1461 memset(inputSlotToAttr
, 0, sizeof(inputSlotToAttr
));
1462 memset(inputMapping
, 0, sizeof(inputMapping
));
1463 memset(outputMapping
, 0, sizeof(outputMapping
));
1464 memset(out_state
, 0, sizeof(*out_state
));
1466 if (prog
->info
.clip_distance_array_size
)
1467 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
1468 prog
->info
.clip_distance_array_size
);
1469 if (prog
->info
.cull_distance_array_size
)
1470 ureg_property(ureg
, TGSI_PROPERTY_NUM_CULLDIST_ENABLED
,
1471 prog
->info
.cull_distance_array_size
);
1474 * Convert Mesa program inputs to TGSI input register semantics.
1476 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1477 if ((prog
->info
.inputs_read
& BITFIELD64_BIT(attr
)) == 0)
1480 unsigned slot
= num_inputs
++;
1482 inputMapping
[attr
] = slot
;
1483 inputSlotToAttr
[slot
] = attr
;
1485 unsigned semantic_name
, semantic_index
;
1486 tgsi_get_gl_varying_semantic(attr
, st
->needs_texcoord_semantic
,
1487 &semantic_name
, &semantic_index
);
1488 input_semantic_name
[slot
] = semantic_name
;
1489 input_semantic_index
[slot
] = semantic_index
;
1492 /* Also add patch inputs. */
1493 for (attr
= 0; attr
< 32; attr
++) {
1494 if (prog
->info
.patch_inputs_read
& (1u << attr
)) {
1495 GLuint slot
= num_inputs
++;
1496 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1498 inputMapping
[patch_attr
] = slot
;
1499 inputSlotToAttr
[slot
] = patch_attr
;
1500 input_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1501 input_semantic_index
[slot
] = attr
;
1505 /* initialize output semantics to defaults */
1506 for (i
= 0; i
< PIPE_MAX_SHADER_OUTPUTS
; i
++) {
1507 output_semantic_name
[i
] = TGSI_SEMANTIC_GENERIC
;
1508 output_semantic_index
[i
] = 0;
1512 * Determine number of outputs, the (default) output register
1513 * mapping and the semantic information for each output.
1515 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1516 if (prog
->info
.outputs_written
& BITFIELD64_BIT(attr
)) {
1517 GLuint slot
= num_outputs
++;
1519 outputMapping
[attr
] = slot
;
1521 unsigned semantic_name
, semantic_index
;
1522 tgsi_get_gl_varying_semantic(attr
, st
->needs_texcoord_semantic
,
1523 &semantic_name
, &semantic_index
);
1524 output_semantic_name
[slot
] = semantic_name
;
1525 output_semantic_index
[slot
] = semantic_index
;
1529 /* Also add patch outputs. */
1530 for (attr
= 0; attr
< 32; attr
++) {
1531 if (prog
->info
.patch_outputs_written
& (1u << attr
)) {
1532 GLuint slot
= num_outputs
++;
1533 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1535 outputMapping
[patch_attr
] = slot
;
1536 output_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1537 output_semantic_index
[slot
] = attr
;
1541 st_translate_program(st
->ctx
,
1550 input_semantic_name
,
1551 input_semantic_index
,
1556 output_semantic_name
,
1557 output_semantic_index
);
1559 if (tgsi_processor
== PIPE_SHADER_COMPUTE
) {
1560 struct st_compute_program
*stcp
= (struct st_compute_program
*) prog
;
1561 out_state
->tokens
= ureg_get_tokens(ureg
, &stcp
->num_tgsi_tokens
);
1562 stcp
->tgsi
.prog
= out_state
->tokens
;
1564 struct st_common_program
*stcp
= (struct st_common_program
*) prog
;
1565 out_state
->tokens
= ureg_get_tokens(ureg
, &stcp
->num_tgsi_tokens
);
1569 st_translate_stream_output_info(prog
->sh
.LinkedTransformFeedback
,
1571 &out_state
->stream_output
);
1573 st_store_ir_in_disk_cache(st
, prog
, false);
1575 if ((ST_DEBUG
& DEBUG_TGSI
) && (ST_DEBUG
& DEBUG_MESA
)) {
1576 _mesa_print_program(prog
);
1580 if (ST_DEBUG
& DEBUG_TGSI
) {
1581 tgsi_dump(out_state
->tokens
, 0);
1587 * Update stream-output info for GS/TCS/TES. Normally this is done in
1588 * st_translate_program_common() but that is not called for glsl_to_nir
1592 st_translate_program_stream_output(struct gl_program
*prog
,
1593 struct pipe_stream_output_info
*stream_output
)
1595 if (!prog
->sh
.LinkedTransformFeedback
)
1598 ubyte outputMapping
[VARYING_SLOT_TESS_MAX
];
1600 uint num_outputs
= 0;
1602 memset(outputMapping
, 0, sizeof(outputMapping
));
1605 * Determine number of outputs, the (default) output register
1606 * mapping and the semantic information for each output.
1608 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1609 if (prog
->info
.outputs_written
& BITFIELD64_BIT(attr
)) {
1610 GLuint slot
= num_outputs
++;
1612 outputMapping
[attr
] = slot
;
1616 st_translate_stream_output_info(prog
->sh
.LinkedTransformFeedback
,
1622 * Translate a geometry program to create a new variant.
1625 st_translate_geometry_program(struct st_context
*st
,
1626 struct st_common_program
*stgp
)
1628 struct ureg_program
*ureg
;
1630 /* We have already compiled to NIR so just return */
1631 if (stgp
->shader_program
) {
1633 st_finalize_nir(st
, &stgp
->Base
, stgp
->shader_program
,
1635 st_translate_program_stream_output(&stgp
->Base
, &stgp
->tgsi
.stream_output
);
1636 st_store_ir_in_disk_cache(st
, &stgp
->Base
, true);
1640 ureg
= ureg_create_with_screen(PIPE_SHADER_GEOMETRY
, st
->pipe
->screen
);
1644 ureg_property(ureg
, TGSI_PROPERTY_GS_INPUT_PRIM
,
1645 stgp
->Base
.info
.gs
.input_primitive
);
1646 ureg_property(ureg
, TGSI_PROPERTY_GS_OUTPUT_PRIM
,
1647 stgp
->Base
.info
.gs
.output_primitive
);
1648 ureg_property(ureg
, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES
,
1649 stgp
->Base
.info
.gs
.vertices_out
);
1650 ureg_property(ureg
, TGSI_PROPERTY_GS_INVOCATIONS
,
1651 stgp
->Base
.info
.gs
.invocations
);
1653 st_translate_program_common(st
, &stgp
->Base
, stgp
->glsl_to_tgsi
, ureg
,
1654 PIPE_SHADER_GEOMETRY
, &stgp
->tgsi
);
1656 free_glsl_to_tgsi_visitor(stgp
->glsl_to_tgsi
);
1657 stgp
->glsl_to_tgsi
= NULL
;
1663 * Get/create a basic program variant.
1665 struct st_basic_variant
*
1666 st_get_basic_variant(struct st_context
*st
,
1667 unsigned pipe_shader
,
1668 struct st_common_program
*prog
,
1669 const struct st_basic_variant_key
*key
)
1671 struct pipe_context
*pipe
= st
->pipe
;
1672 struct st_basic_variant
*v
;
1673 struct pipe_shader_state tgsi
= {0};
1675 /* Search for existing variant */
1676 for (v
= prog
->variants
; v
; v
= v
->next
) {
1677 if (memcmp(&v
->key
, key
, sizeof(*key
)) == 0) {
1684 v
= CALLOC_STRUCT(st_basic_variant
);
1687 if (prog
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
1688 tgsi
.type
= PIPE_SHADER_IR_NIR
;
1689 tgsi
.ir
.nir
= nir_shader_clone(NULL
, prog
->tgsi
.ir
.nir
);
1691 if (key
->clamp_color
)
1692 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_clamp_color_outputs
);
1694 tgsi
.stream_output
= prog
->tgsi
.stream_output
;
1696 if (key
->lower_depth_clamp
) {
1697 struct gl_program_parameter_list
*params
= prog
->Base
.Parameters
;
1699 unsigned depth_range_const
=
1700 _mesa_add_state_reference(params
, depth_range_state
);
1702 const struct tgsi_token
*tokens
;
1704 st_tgsi_lower_depth_clamp(prog
->tgsi
.tokens
,
1706 key
->clip_negative_one_to_one
);
1708 if (tokens
!= prog
->tgsi
.tokens
)
1709 tgsi_free_tokens(prog
->tgsi
.tokens
);
1711 prog
->tgsi
.tokens
= tokens
;
1712 prog
->num_tgsi_tokens
= tgsi_num_tokens(tokens
);
1716 /* fill in new variant */
1717 switch (pipe_shader
) {
1718 case PIPE_SHADER_TESS_CTRL
:
1719 v
->driver_shader
= pipe
->create_tcs_state(pipe
, &tgsi
);
1721 case PIPE_SHADER_TESS_EVAL
:
1722 v
->driver_shader
= pipe
->create_tes_state(pipe
, &tgsi
);
1724 case PIPE_SHADER_GEOMETRY
:
1725 v
->driver_shader
= pipe
->create_gs_state(pipe
, &tgsi
);
1728 assert(!"unhandled shader type");
1735 /* insert into list */
1736 v
->next
= prog
->variants
;
1746 * Translate a tessellation control program to create a new variant.
1749 st_translate_tessctrl_program(struct st_context
*st
,
1750 struct st_common_program
*sttcp
)
1752 struct ureg_program
*ureg
;
1754 /* We have already compiled to NIR so just return */
1755 if (sttcp
->shader_program
) {
1757 st_finalize_nir(st
, &sttcp
->Base
, sttcp
->shader_program
,
1758 sttcp
->tgsi
.ir
.nir
);
1759 st_store_ir_in_disk_cache(st
, &sttcp
->Base
, true);
1763 ureg
= ureg_create_with_screen(PIPE_SHADER_TESS_CTRL
, st
->pipe
->screen
);
1767 ureg_property(ureg
, TGSI_PROPERTY_TCS_VERTICES_OUT
,
1768 sttcp
->Base
.info
.tess
.tcs_vertices_out
);
1770 st_translate_program_common(st
, &sttcp
->Base
, sttcp
->glsl_to_tgsi
, ureg
,
1771 PIPE_SHADER_TESS_CTRL
, &sttcp
->tgsi
);
1773 free_glsl_to_tgsi_visitor(sttcp
->glsl_to_tgsi
);
1774 sttcp
->glsl_to_tgsi
= NULL
;
1780 * Translate a tessellation evaluation program to create a new variant.
1783 st_translate_tesseval_program(struct st_context
*st
,
1784 struct st_common_program
*sttep
)
1786 struct ureg_program
*ureg
;
1788 /* We have already compiled to NIR so just return */
1789 if (sttep
->shader_program
) {
1791 st_finalize_nir(st
, &sttep
->Base
, sttep
->shader_program
,
1792 sttep
->tgsi
.ir
.nir
);
1793 st_translate_program_stream_output(&sttep
->Base
, &sttep
->tgsi
.stream_output
);
1794 st_store_ir_in_disk_cache(st
, &sttep
->Base
, true);
1798 ureg
= ureg_create_with_screen(PIPE_SHADER_TESS_EVAL
, st
->pipe
->screen
);
1802 if (sttep
->Base
.info
.tess
.primitive_mode
== GL_ISOLINES
)
1803 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, GL_LINES
);
1805 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
,
1806 sttep
->Base
.info
.tess
.primitive_mode
);
1808 STATIC_ASSERT((TESS_SPACING_EQUAL
+ 1) % 3 == PIPE_TESS_SPACING_EQUAL
);
1809 STATIC_ASSERT((TESS_SPACING_FRACTIONAL_ODD
+ 1) % 3 ==
1810 PIPE_TESS_SPACING_FRACTIONAL_ODD
);
1811 STATIC_ASSERT((TESS_SPACING_FRACTIONAL_EVEN
+ 1) % 3 ==
1812 PIPE_TESS_SPACING_FRACTIONAL_EVEN
);
1814 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1815 (sttep
->Base
.info
.tess
.spacing
+ 1) % 3);
1817 ureg_property(ureg
, TGSI_PROPERTY_TES_VERTEX_ORDER_CW
,
1818 !sttep
->Base
.info
.tess
.ccw
);
1819 ureg_property(ureg
, TGSI_PROPERTY_TES_POINT_MODE
,
1820 sttep
->Base
.info
.tess
.point_mode
);
1822 st_translate_program_common(st
, &sttep
->Base
, sttep
->glsl_to_tgsi
,
1823 ureg
, PIPE_SHADER_TESS_EVAL
, &sttep
->tgsi
);
1825 free_glsl_to_tgsi_visitor(sttep
->glsl_to_tgsi
);
1826 sttep
->glsl_to_tgsi
= NULL
;
1832 * Translate a compute program to create a new variant.
1835 st_translate_compute_program(struct st_context
*st
,
1836 struct st_compute_program
*stcp
)
1838 struct ureg_program
*ureg
;
1839 struct pipe_shader_state prog
;
1841 stcp
->tgsi
.req_local_mem
= stcp
->Base
.info
.cs
.shared_size
;
1843 if (stcp
->shader_program
) {
1844 /* no compute variants: */
1845 st_finalize_nir(st
, &stcp
->Base
, stcp
->shader_program
,
1846 (struct nir_shader
*) stcp
->tgsi
.prog
);
1847 st_store_ir_in_disk_cache(st
, &stcp
->Base
, true);
1851 ureg
= ureg_create_with_screen(PIPE_SHADER_COMPUTE
, st
->pipe
->screen
);
1855 st_translate_program_common(st
, &stcp
->Base
, stcp
->glsl_to_tgsi
, ureg
,
1856 PIPE_SHADER_COMPUTE
, &prog
);
1858 stcp
->tgsi
.ir_type
= PIPE_SHADER_IR_TGSI
;
1859 stcp
->tgsi
.req_private_mem
= 0;
1860 stcp
->tgsi
.req_input_mem
= 0;
1862 free_glsl_to_tgsi_visitor(stcp
->glsl_to_tgsi
);
1863 stcp
->glsl_to_tgsi
= NULL
;
1869 * Get/create compute program variant.
1871 struct st_basic_variant
*
1872 st_get_cp_variant(struct st_context
*st
,
1873 struct pipe_compute_state
*tgsi
,
1874 struct st_basic_variant
**variants
)
1876 struct pipe_context
*pipe
= st
->pipe
;
1877 struct st_basic_variant
*v
;
1878 struct st_basic_variant_key key
;
1880 /* use memset, not an initializer to be sure all memory is zeroed */
1881 memset(&key
, 0, sizeof(key
));
1883 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1885 /* Search for existing variant */
1886 for (v
= *variants
; v
; v
= v
->next
) {
1887 if (memcmp(&v
->key
, &key
, sizeof(key
)) == 0) {
1894 v
= CALLOC_STRUCT(st_basic_variant
);
1896 /* fill in new variant */
1897 struct pipe_compute_state cs
= *tgsi
;
1898 if (tgsi
->ir_type
== PIPE_SHADER_IR_NIR
)
1899 cs
.prog
= nir_shader_clone(NULL
, tgsi
->prog
);
1900 v
->driver_shader
= pipe
->create_compute_state(pipe
, &cs
);
1903 /* insert into list */
1904 v
->next
= *variants
;
1914 * Vert/Geom/Frag programs have per-context variants. Free all the
1915 * variants attached to the given program which match the given context.
1918 destroy_program_variants(struct st_context
*st
, struct gl_program
*target
)
1920 if (!target
|| target
== &_mesa_DummyProgram
)
1923 switch (target
->Target
) {
1924 case GL_VERTEX_PROGRAM_ARB
:
1926 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) target
;
1927 struct st_vp_variant
*vpv
, **prevPtr
= &stvp
->variants
;
1929 for (vpv
= stvp
->variants
; vpv
; ) {
1930 struct st_vp_variant
*next
= vpv
->next
;
1931 if (vpv
->key
.st
== st
) {
1932 /* unlink from list */
1934 /* destroy this variant */
1935 delete_vp_variant(st
, vpv
);
1938 prevPtr
= &vpv
->next
;
1944 case GL_FRAGMENT_PROGRAM_ARB
:
1946 struct st_fragment_program
*stfp
=
1947 (struct st_fragment_program
*) target
;
1948 struct st_fp_variant
*fpv
, **prevPtr
= &stfp
->variants
;
1950 for (fpv
= stfp
->variants
; fpv
; ) {
1951 struct st_fp_variant
*next
= fpv
->next
;
1952 if (fpv
->key
.st
== st
) {
1953 /* unlink from list */
1955 /* destroy this variant */
1956 delete_fp_variant(st
, fpv
);
1959 prevPtr
= &fpv
->next
;
1965 case GL_GEOMETRY_PROGRAM_NV
:
1966 case GL_TESS_CONTROL_PROGRAM_NV
:
1967 case GL_TESS_EVALUATION_PROGRAM_NV
:
1968 case GL_COMPUTE_PROGRAM_NV
:
1970 struct st_common_program
*p
= st_common_program(target
);
1971 struct st_compute_program
*cp
= (struct st_compute_program
*)target
;
1972 struct st_basic_variant
**variants
=
1973 target
->Target
== GL_COMPUTE_PROGRAM_NV
? &cp
->variants
:
1975 struct st_basic_variant
*v
, **prevPtr
= variants
;
1977 for (v
= *variants
; v
; ) {
1978 struct st_basic_variant
*next
= v
->next
;
1979 if (v
->key
.st
== st
) {
1980 /* unlink from list */
1982 /* destroy this variant */
1983 delete_basic_variant(st
, v
, target
->Target
);
1993 _mesa_problem(NULL
, "Unexpected program target 0x%x in "
1994 "destroy_program_variants_cb()", target
->Target
);
2000 * Callback for _mesa_HashWalk. Free all the shader's program variants
2001 * which match the given context.
2004 destroy_shader_program_variants_cb(GLuint key
, void *data
, void *userData
)
2006 struct st_context
*st
= (struct st_context
*) userData
;
2007 struct gl_shader
*shader
= (struct gl_shader
*) data
;
2009 switch (shader
->Type
) {
2010 case GL_SHADER_PROGRAM_MESA
:
2012 struct gl_shader_program
*shProg
= (struct gl_shader_program
*) data
;
2015 for (i
= 0; i
< ARRAY_SIZE(shProg
->_LinkedShaders
); i
++) {
2016 if (shProg
->_LinkedShaders
[i
])
2017 destroy_program_variants(st
, shProg
->_LinkedShaders
[i
]->Program
);
2021 case GL_VERTEX_SHADER
:
2022 case GL_FRAGMENT_SHADER
:
2023 case GL_GEOMETRY_SHADER
:
2024 case GL_TESS_CONTROL_SHADER
:
2025 case GL_TESS_EVALUATION_SHADER
:
2026 case GL_COMPUTE_SHADER
:
2035 * Callback for _mesa_HashWalk. Free all the program variants which match
2036 * the given context.
2039 destroy_program_variants_cb(GLuint key
, void *data
, void *userData
)
2041 struct st_context
*st
= (struct st_context
*) userData
;
2042 struct gl_program
*program
= (struct gl_program
*) data
;
2043 destroy_program_variants(st
, program
);
2048 * Walk over all shaders and programs to delete any variants which
2049 * belong to the given context.
2050 * This is called during context tear-down.
2053 st_destroy_program_variants(struct st_context
*st
)
2055 /* If shaders can be shared with other contexts, the last context will
2056 * call DeleteProgram on all shaders, releasing everything.
2058 if (st
->has_shareable_shaders
)
2061 /* ARB vert/frag program */
2062 _mesa_HashWalk(st
->ctx
->Shared
->Programs
,
2063 destroy_program_variants_cb
, st
);
2065 /* GLSL vert/frag/geom shaders */
2066 _mesa_HashWalk(st
->ctx
->Shared
->ShaderObjects
,
2067 destroy_shader_program_variants_cb
, st
);
2072 * For debugging, print/dump the current vertex program.
2075 st_print_current_vertex_program(void)
2077 GET_CURRENT_CONTEXT(ctx
);
2079 if (ctx
->VertexProgram
._Current
) {
2080 struct st_vertex_program
*stvp
=
2081 (struct st_vertex_program
*) ctx
->VertexProgram
._Current
;
2082 struct st_vp_variant
*stv
;
2084 debug_printf("Vertex program %u\n", stvp
->Base
.Id
);
2086 for (stv
= stvp
->variants
; stv
; stv
= stv
->next
) {
2087 debug_printf("variant %p\n", stv
);
2088 tgsi_dump(stv
->tgsi
.tokens
, 0);
2095 * Compile one shader variant.
2098 st_precompile_shader_variant(struct st_context
*st
,
2099 struct gl_program
*prog
)
2101 switch (prog
->Target
) {
2102 case GL_VERTEX_PROGRAM_ARB
: {
2103 struct st_vertex_program
*p
= (struct st_vertex_program
*)prog
;
2104 struct st_vp_variant_key key
;
2106 memset(&key
, 0, sizeof(key
));
2108 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
2109 st_get_vp_variant(st
, p
, &key
);
2113 case GL_TESS_CONTROL_PROGRAM_NV
: {
2114 struct st_common_program
*p
= st_common_program(prog
);
2115 struct st_basic_variant_key key
;
2117 memset(&key
, 0, sizeof(key
));
2119 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
2120 st_get_basic_variant(st
, PIPE_SHADER_TESS_CTRL
, p
, &key
);
2124 case GL_TESS_EVALUATION_PROGRAM_NV
: {
2125 struct st_common_program
*p
= st_common_program(prog
);
2126 struct st_basic_variant_key key
;
2128 memset(&key
, 0, sizeof(key
));
2130 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
2131 st_get_basic_variant(st
, PIPE_SHADER_TESS_EVAL
, p
, &key
);
2135 case GL_GEOMETRY_PROGRAM_NV
: {
2136 struct st_common_program
*p
= st_common_program(prog
);
2137 struct st_basic_variant_key key
;
2139 memset(&key
, 0, sizeof(key
));
2141 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
2142 st_get_basic_variant(st
, PIPE_SHADER_GEOMETRY
, p
, &key
);
2146 case GL_FRAGMENT_PROGRAM_ARB
: {
2147 struct st_fragment_program
*p
= (struct st_fragment_program
*)prog
;
2148 struct st_fp_variant_key key
;
2150 memset(&key
, 0, sizeof(key
));
2152 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
2153 st_get_fp_variant(st
, p
, &key
);
2157 case GL_COMPUTE_PROGRAM_NV
: {
2158 struct st_compute_program
*p
= (struct st_compute_program
*)prog
;
2159 st_get_cp_variant(st
, &p
->tgsi
, &p
->variants
);