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/programopt.h"
42 #include "compiler/nir/nir.h"
44 #include "pipe/p_context.h"
45 #include "pipe/p_defines.h"
46 #include "pipe/p_shader_tokens.h"
47 #include "draw/draw_context.h"
48 #include "tgsi/tgsi_dump.h"
49 #include "tgsi/tgsi_emulate.h"
50 #include "tgsi/tgsi_parse.h"
51 #include "tgsi/tgsi_ureg.h"
54 #include "st_cb_bitmap.h"
55 #include "st_cb_drawpixels.h"
56 #include "st_context.h"
57 #include "st_tgsi_lower_yuv.h"
58 #include "st_program.h"
59 #include "st_mesa_to_tgsi.h"
60 #include "st_atifs_to_tgsi.h"
62 #include "st_shader_cache.h"
63 #include "cso_cache/cso_context.h"
68 set_affected_state_flags(uint64_t *states
,
69 struct gl_program
*prog
,
70 uint64_t new_constants
,
71 uint64_t new_sampler_views
,
72 uint64_t new_samplers
,
78 if (prog
->Parameters
->NumParameters
)
79 *states
|= new_constants
;
81 if (prog
->info
.num_textures
)
82 *states
|= new_sampler_views
| new_samplers
;
84 if (prog
->info
.num_images
)
85 *states
|= new_images
;
87 if (prog
->info
.num_ubos
)
90 if (prog
->info
.num_ssbos
)
93 if (prog
->info
.num_abos
)
94 *states
|= new_atomics
;
98 * This determines which states will be updated when the shader is bound.
101 st_set_prog_affected_state_flags(struct gl_program
*prog
)
105 switch (prog
->info
.stage
) {
106 case MESA_SHADER_VERTEX
:
107 states
= &((struct st_vertex_program
*)prog
)->affected_states
;
109 *states
= ST_NEW_VS_STATE
|
111 ST_NEW_VERTEX_ARRAYS
;
113 set_affected_state_flags(states
, prog
,
115 ST_NEW_VS_SAMPLER_VIEWS
,
123 case MESA_SHADER_TESS_CTRL
:
124 states
= &(st_common_program(prog
))->affected_states
;
126 *states
= ST_NEW_TCS_STATE
;
128 set_affected_state_flags(states
, prog
,
129 ST_NEW_TCS_CONSTANTS
,
130 ST_NEW_TCS_SAMPLER_VIEWS
,
138 case MESA_SHADER_TESS_EVAL
:
139 states
= &(st_common_program(prog
))->affected_states
;
141 *states
= ST_NEW_TES_STATE
|
144 set_affected_state_flags(states
, prog
,
145 ST_NEW_TES_CONSTANTS
,
146 ST_NEW_TES_SAMPLER_VIEWS
,
154 case MESA_SHADER_GEOMETRY
:
155 states
= &(st_common_program(prog
))->affected_states
;
157 *states
= ST_NEW_GS_STATE
|
160 set_affected_state_flags(states
, prog
,
162 ST_NEW_GS_SAMPLER_VIEWS
,
170 case MESA_SHADER_FRAGMENT
:
171 states
= &((struct st_fragment_program
*)prog
)->affected_states
;
173 /* gl_FragCoord and glDrawPixels always use constants. */
174 *states
= ST_NEW_FS_STATE
|
175 ST_NEW_SAMPLE_SHADING
|
178 set_affected_state_flags(states
, prog
,
180 ST_NEW_FS_SAMPLER_VIEWS
,
188 case MESA_SHADER_COMPUTE
:
189 states
= &((struct st_compute_program
*)prog
)->affected_states
;
191 *states
= ST_NEW_CS_STATE
;
193 set_affected_state_flags(states
, prog
,
195 ST_NEW_CS_SAMPLER_VIEWS
,
204 unreachable("unhandled shader stage");
209 * Delete a vertex program variant. Note the caller must unlink
210 * the variant from the linked list.
213 delete_vp_variant(struct st_context
*st
, struct st_vp_variant
*vpv
)
215 if (vpv
->driver_shader
)
216 cso_delete_vertex_shader(st
->cso_context
, vpv
->driver_shader
);
218 if (vpv
->draw_shader
)
219 draw_delete_vertex_shader( st
->draw
, vpv
->draw_shader
);
221 if (((vpv
->tgsi
.type
== PIPE_SHADER_IR_TGSI
)) && vpv
->tgsi
.tokens
)
222 ureg_free_tokens(vpv
->tgsi
.tokens
);
230 * Clean out any old compilations:
233 st_release_vp_variants( struct st_context
*st
,
234 struct st_vertex_program
*stvp
)
236 struct st_vp_variant
*vpv
;
238 for (vpv
= stvp
->variants
; vpv
; ) {
239 struct st_vp_variant
*next
= vpv
->next
;
240 delete_vp_variant(st
, vpv
);
244 stvp
->variants
= NULL
;
246 if ((stvp
->tgsi
.type
== PIPE_SHADER_IR_TGSI
) && stvp
->tgsi
.tokens
) {
247 tgsi_free_tokens(stvp
->tgsi
.tokens
);
248 stvp
->tgsi
.tokens
= NULL
;
255 * Delete a fragment program variant. Note the caller must unlink
256 * the variant from the linked list.
259 delete_fp_variant(struct st_context
*st
, struct st_fp_variant
*fpv
)
261 if (fpv
->driver_shader
)
262 cso_delete_fragment_shader(st
->cso_context
, fpv
->driver_shader
);
268 * Free all variants of a fragment program.
271 st_release_fp_variants(struct st_context
*st
, struct st_fragment_program
*stfp
)
273 struct st_fp_variant
*fpv
;
275 for (fpv
= stfp
->variants
; fpv
; ) {
276 struct st_fp_variant
*next
= fpv
->next
;
277 delete_fp_variant(st
, fpv
);
281 stfp
->variants
= NULL
;
283 if ((stfp
->tgsi
.type
== PIPE_SHADER_IR_TGSI
) && stfp
->tgsi
.tokens
) {
284 ureg_free_tokens(stfp
->tgsi
.tokens
);
285 stfp
->tgsi
.tokens
= NULL
;
291 * Delete a basic program variant. Note the caller must unlink
292 * the variant from the linked list.
295 delete_basic_variant(struct st_context
*st
, struct st_basic_variant
*v
,
298 if (v
->driver_shader
) {
300 case GL_TESS_CONTROL_PROGRAM_NV
:
301 cso_delete_tessctrl_shader(st
->cso_context
, v
->driver_shader
);
303 case GL_TESS_EVALUATION_PROGRAM_NV
:
304 cso_delete_tesseval_shader(st
->cso_context
, v
->driver_shader
);
306 case GL_GEOMETRY_PROGRAM_NV
:
307 cso_delete_geometry_shader(st
->cso_context
, v
->driver_shader
);
309 case GL_COMPUTE_PROGRAM_NV
:
310 cso_delete_compute_shader(st
->cso_context
, v
->driver_shader
);
313 assert(!"this shouldn't occur");
322 * Free all basic program variants.
325 st_release_basic_variants(struct st_context
*st
, GLenum target
,
326 struct st_basic_variant
**variants
,
327 struct pipe_shader_state
*tgsi
)
329 struct st_basic_variant
*v
;
331 for (v
= *variants
; v
; ) {
332 struct st_basic_variant
*next
= v
->next
;
333 delete_basic_variant(st
, v
, target
);
340 ureg_free_tokens(tgsi
->tokens
);
347 * Free all variants of a compute program.
350 st_release_cp_variants(struct st_context
*st
, struct st_compute_program
*stcp
)
352 struct st_basic_variant
**variants
= &stcp
->variants
;
353 struct st_basic_variant
*v
;
355 for (v
= *variants
; v
; ) {
356 struct st_basic_variant
*next
= v
->next
;
357 delete_basic_variant(st
, v
, stcp
->Base
.Target
);
363 if (stcp
->tgsi
.prog
) {
364 switch (stcp
->tgsi
.ir_type
) {
365 case PIPE_SHADER_IR_TGSI
:
366 ureg_free_tokens(stcp
->tgsi
.prog
);
367 stcp
->tgsi
.prog
= NULL
;
369 case PIPE_SHADER_IR_NIR
:
370 /* pipe driver took ownership of prog */
372 case PIPE_SHADER_IR_NATIVE
:
374 stcp
->tgsi
.prog
= NULL
;
381 * Translate a vertex program.
384 st_translate_vertex_program(struct st_context
*st
,
385 struct st_vertex_program
*stvp
)
387 struct ureg_program
*ureg
;
388 enum pipe_error error
;
389 unsigned num_outputs
= 0;
391 ubyte input_to_index
[VERT_ATTRIB_MAX
] = {0};
392 ubyte output_semantic_name
[VARYING_SLOT_MAX
] = {0};
393 ubyte output_semantic_index
[VARYING_SLOT_MAX
] = {0};
395 stvp
->num_inputs
= 0;
397 if (stvp
->Base
.arb
.IsPositionInvariant
)
398 _mesa_insert_mvp_code(st
->ctx
, &stvp
->Base
);
401 * Determine number of inputs, the mappings between VERT_ATTRIB_x
402 * and TGSI generic input indexes, plus input attrib semantic info.
404 for (attr
= 0; attr
< VERT_ATTRIB_MAX
; attr
++) {
405 if ((stvp
->Base
.info
.inputs_read
& BITFIELD64_BIT(attr
)) != 0) {
406 input_to_index
[attr
] = stvp
->num_inputs
;
407 stvp
->index_to_input
[stvp
->num_inputs
] = attr
;
409 if ((stvp
->Base
.info
.vs
.double_inputs_read
&
410 BITFIELD64_BIT(attr
)) != 0) {
411 /* add placeholder for second part of a double attribute */
412 stvp
->index_to_input
[stvp
->num_inputs
] = ST_DOUBLE_ATTRIB_PLACEHOLDER
;
417 /* bit of a hack, presetup potentially unused edgeflag input */
418 input_to_index
[VERT_ATTRIB_EDGEFLAG
] = stvp
->num_inputs
;
419 stvp
->index_to_input
[stvp
->num_inputs
] = VERT_ATTRIB_EDGEFLAG
;
421 /* Compute mapping of vertex program outputs to slots.
423 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
424 if ((stvp
->Base
.info
.outputs_written
& BITFIELD64_BIT(attr
)) == 0) {
425 stvp
->result_to_output
[attr
] = ~0;
428 unsigned slot
= num_outputs
++;
430 stvp
->result_to_output
[attr
] = slot
;
432 unsigned semantic_name
, semantic_index
;
433 tgsi_get_gl_varying_semantic(attr
, st
->needs_texcoord_semantic
,
434 &semantic_name
, &semantic_index
);
435 output_semantic_name
[slot
] = semantic_name
;
436 output_semantic_index
[slot
] = semantic_index
;
439 /* similar hack to above, presetup potentially unused edgeflag output */
440 stvp
->result_to_output
[VARYING_SLOT_EDGE
] = num_outputs
;
441 output_semantic_name
[num_outputs
] = TGSI_SEMANTIC_EDGEFLAG
;
442 output_semantic_index
[num_outputs
] = 0;
445 if (!stvp
->glsl_to_tgsi
&& !stvp
->shader_program
) {
446 _mesa_remove_output_reads(&stvp
->Base
, PROGRAM_OUTPUT
);
448 /* This determines which states will be updated when the assembly
451 stvp
->affected_states
= ST_NEW_VS_STATE
|
453 ST_NEW_VERTEX_ARRAYS
;
455 if (stvp
->Base
.Parameters
->NumParameters
)
456 stvp
->affected_states
|= ST_NEW_VS_CONSTANTS
;
458 /* No samplers are allowed in ARB_vp. */
461 if (stvp
->shader_program
) {
462 struct gl_program
*prog
= stvp
->shader_program
->last_vert_prog
;
464 st_translate_stream_output_info2(prog
->sh
.LinkedTransformFeedback
,
465 stvp
->result_to_output
,
466 &stvp
->tgsi
.stream_output
);
469 st_store_ir_in_disk_cache(st
, &stvp
->Base
, true);
473 ureg
= ureg_create_with_screen(PIPE_SHADER_VERTEX
, st
->pipe
->screen
);
477 if (stvp
->Base
.info
.clip_distance_array_size
)
478 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
479 stvp
->Base
.info
.clip_distance_array_size
);
480 if (stvp
->Base
.info
.cull_distance_array_size
)
481 ureg_property(ureg
, TGSI_PROPERTY_NUM_CULLDIST_ENABLED
,
482 stvp
->Base
.info
.cull_distance_array_size
);
484 if (ST_DEBUG
& DEBUG_MESA
) {
485 _mesa_print_program(&stvp
->Base
);
486 _mesa_print_program_parameters(st
->ctx
, &stvp
->Base
);
490 if (stvp
->glsl_to_tgsi
) {
491 error
= st_translate_program(st
->ctx
,
499 NULL
, /* inputSlotToAttr */
500 NULL
, /* input semantic name */
501 NULL
, /* input semantic index */
502 NULL
, /* interp mode */
505 stvp
->result_to_output
,
506 output_semantic_name
,
507 output_semantic_index
);
509 st_translate_stream_output_info(stvp
->glsl_to_tgsi
,
510 stvp
->result_to_output
,
511 &stvp
->tgsi
.stream_output
);
513 free_glsl_to_tgsi_visitor(stvp
->glsl_to_tgsi
);
515 error
= st_translate_mesa_program(st
->ctx
,
522 NULL
, /* input semantic name */
523 NULL
, /* input semantic index */
527 stvp
->result_to_output
,
528 output_semantic_name
,
529 output_semantic_index
);
532 debug_printf("%s: failed to translate Mesa program:\n", __func__
);
533 _mesa_print_program(&stvp
->Base
);
538 stvp
->tgsi
.tokens
= ureg_get_tokens(ureg
, &stvp
->num_tgsi_tokens
);
541 if (stvp
->glsl_to_tgsi
) {
542 stvp
->glsl_to_tgsi
= NULL
;
543 st_store_ir_in_disk_cache(st
, &stvp
->Base
, false);
546 return stvp
->tgsi
.tokens
!= NULL
;
549 static struct st_vp_variant
*
550 st_create_vp_variant(struct st_context
*st
,
551 struct st_vertex_program
*stvp
,
552 const struct st_vp_variant_key
*key
)
554 struct st_vp_variant
*vpv
= CALLOC_STRUCT(st_vp_variant
);
555 struct pipe_context
*pipe
= st
->pipe
;
558 vpv
->tgsi
.stream_output
= stvp
->tgsi
.stream_output
;
559 vpv
->num_inputs
= stvp
->num_inputs
;
561 if (stvp
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
562 vpv
->tgsi
.type
= PIPE_SHADER_IR_NIR
;
563 vpv
->tgsi
.ir
.nir
= nir_shader_clone(NULL
, stvp
->tgsi
.ir
.nir
);
564 if (key
->clamp_color
)
565 NIR_PASS_V(vpv
->tgsi
.ir
.nir
, nir_lower_clamp_color_outputs
);
566 if (key
->passthrough_edgeflags
) {
567 NIR_PASS_V(vpv
->tgsi
.ir
.nir
, nir_lower_passthrough_edgeflags
);
571 st_finalize_nir(st
, &stvp
->Base
, stvp
->shader_program
,
574 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
575 /* driver takes ownership of IR: */
576 vpv
->tgsi
.ir
.nir
= NULL
;
580 vpv
->tgsi
.tokens
= tgsi_dup_tokens(stvp
->tgsi
.tokens
);
582 /* Emulate features. */
583 if (key
->clamp_color
|| key
->passthrough_edgeflags
) {
584 const struct tgsi_token
*tokens
;
586 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
587 (key
->passthrough_edgeflags
? TGSI_EMU_PASSTHROUGH_EDGEFLAG
: 0);
589 tokens
= tgsi_emulate(vpv
->tgsi
.tokens
, flags
);
592 tgsi_free_tokens(vpv
->tgsi
.tokens
);
593 vpv
->tgsi
.tokens
= tokens
;
595 if (key
->passthrough_edgeflags
)
598 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
601 if (ST_DEBUG
& DEBUG_TGSI
) {
602 tgsi_dump(vpv
->tgsi
.tokens
, 0);
606 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
612 * Find/create a vertex program variant.
614 struct st_vp_variant
*
615 st_get_vp_variant(struct st_context
*st
,
616 struct st_vertex_program
*stvp
,
617 const struct st_vp_variant_key
*key
)
619 struct st_vp_variant
*vpv
;
621 /* Search for existing variant */
622 for (vpv
= stvp
->variants
; vpv
; vpv
= vpv
->next
) {
623 if (memcmp(&vpv
->key
, key
, sizeof(*key
)) == 0) {
630 vpv
= st_create_vp_variant(st
, stvp
, key
);
632 /* insert into list */
633 vpv
->next
= stvp
->variants
;
634 stvp
->variants
= vpv
;
643 * Translate a Mesa fragment shader into a TGSI shader.
646 st_translate_fragment_program(struct st_context
*st
,
647 struct st_fragment_program
*stfp
)
649 /* We have already compiled to NIR so just return */
650 if (stfp
->shader_program
) {
651 st_store_ir_in_disk_cache(st
, &stfp
->Base
, true);
655 ubyte outputMapping
[2 * FRAG_RESULT_MAX
];
656 ubyte inputMapping
[VARYING_SLOT_MAX
];
657 ubyte inputSlotToAttr
[VARYING_SLOT_MAX
];
658 ubyte interpMode
[PIPE_MAX_SHADER_INPUTS
]; /* XXX size? */
660 GLbitfield64 inputsRead
;
661 struct ureg_program
*ureg
;
663 GLboolean write_all
= GL_FALSE
;
665 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
666 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
667 uint fs_num_inputs
= 0;
669 ubyte fs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
670 ubyte fs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
671 uint fs_num_outputs
= 0;
673 memset(inputSlotToAttr
, ~0, sizeof(inputSlotToAttr
));
675 /* Non-GLSL programs: */
676 if (!stfp
->glsl_to_tgsi
&& !stfp
->shader_program
) {
677 _mesa_remove_output_reads(&stfp
->Base
, PROGRAM_OUTPUT
);
678 if (st
->ctx
->Const
.GLSLFragCoordIsSysVal
)
679 _mesa_program_fragment_position_to_sysval(&stfp
->Base
);
681 /* This determines which states will be updated when the assembly
684 * fragment.position and glDrawPixels always use constants.
686 stfp
->affected_states
= ST_NEW_FS_STATE
|
687 ST_NEW_SAMPLE_SHADING
|
691 /* Just set them for ATI_fs unconditionally. */
692 stfp
->affected_states
|= ST_NEW_FS_SAMPLER_VIEWS
|
696 if (stfp
->Base
.SamplersUsed
)
697 stfp
->affected_states
|= ST_NEW_FS_SAMPLER_VIEWS
|
703 * Convert Mesa program inputs to TGSI input register semantics.
705 inputsRead
= stfp
->Base
.info
.inputs_read
;
706 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
707 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
708 const GLuint slot
= fs_num_inputs
++;
710 inputMapping
[attr
] = slot
;
711 inputSlotToAttr
[slot
] = attr
;
714 case VARYING_SLOT_POS
:
715 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
716 input_semantic_index
[slot
] = 0;
717 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
719 case VARYING_SLOT_COL0
:
720 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
721 input_semantic_index
[slot
] = 0;
722 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
723 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_COLOR
;
725 case VARYING_SLOT_COL1
:
726 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
727 input_semantic_index
[slot
] = 1;
728 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
729 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_COLOR
;
731 case VARYING_SLOT_FOGC
:
732 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
733 input_semantic_index
[slot
] = 0;
734 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
736 case VARYING_SLOT_FACE
:
737 input_semantic_name
[slot
] = TGSI_SEMANTIC_FACE
;
738 input_semantic_index
[slot
] = 0;
739 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
741 case VARYING_SLOT_PRIMITIVE_ID
:
742 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
743 input_semantic_index
[slot
] = 0;
744 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
746 case VARYING_SLOT_LAYER
:
747 input_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
748 input_semantic_index
[slot
] = 0;
749 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
751 case VARYING_SLOT_VIEWPORT
:
752 input_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
753 input_semantic_index
[slot
] = 0;
754 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
756 case VARYING_SLOT_CLIP_DIST0
:
757 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
758 input_semantic_index
[slot
] = 0;
759 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
761 case VARYING_SLOT_CLIP_DIST1
:
762 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
763 input_semantic_index
[slot
] = 1;
764 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
766 case VARYING_SLOT_CULL_DIST0
:
767 case VARYING_SLOT_CULL_DIST1
:
768 /* these should have been lowered by GLSL */
771 /* In most cases, there is nothing special about these
772 * inputs, so adopt a convention to use the generic
773 * semantic name and the mesa VARYING_SLOT_ number as the
776 * All that is required is that the vertex shader labels
777 * its own outputs similarly, and that the vertex shader
778 * generates at least every output required by the
779 * fragment shader plus fixed-function hardware (such as
782 * However, some drivers may need us to identify the PNTC and TEXi
783 * varyings if, for example, their capability to replace them with
784 * sprite coordinates is limited.
786 case VARYING_SLOT_PNTC
:
787 if (st
->needs_texcoord_semantic
) {
788 input_semantic_name
[slot
] = TGSI_SEMANTIC_PCOORD
;
789 input_semantic_index
[slot
] = 0;
790 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
794 case VARYING_SLOT_TEX0
:
795 case VARYING_SLOT_TEX1
:
796 case VARYING_SLOT_TEX2
:
797 case VARYING_SLOT_TEX3
:
798 case VARYING_SLOT_TEX4
:
799 case VARYING_SLOT_TEX5
:
800 case VARYING_SLOT_TEX6
:
801 case VARYING_SLOT_TEX7
:
802 if (st
->needs_texcoord_semantic
) {
803 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
804 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
805 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
806 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_PERSPECTIVE
;
810 case VARYING_SLOT_VAR0
:
812 /* Semantic indices should be zero-based because drivers may choose
813 * to assign a fixed slot determined by that index.
814 * This is useful because ARB_separate_shader_objects uses location
815 * qualifiers for linkage, and if the semantic index corresponds to
816 * these locations, linkage passes in the driver become unecessary.
818 * If needs_texcoord_semantic is true, no semantic indices will be
819 * consumed for the TEXi varyings, and we can base the locations of
820 * the user varyings on VAR0. Otherwise, we use TEX0 as base index.
822 assert(attr
>= VARYING_SLOT_VAR0
|| attr
== VARYING_SLOT_PNTC
||
823 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
824 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
825 input_semantic_index
[slot
] = st_get_generic_varying_index(st
, attr
);
826 if (attr
== VARYING_SLOT_PNTC
)
827 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
829 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
830 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_PERSPECTIVE
;
836 inputMapping
[attr
] = -1;
841 * Semantics and mapping for outputs
843 GLbitfield64 outputsWritten
= stfp
->Base
.info
.outputs_written
;
845 /* if z is written, emit that first */
846 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
847 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_POSITION
;
848 fs_output_semantic_index
[fs_num_outputs
] = 0;
849 outputMapping
[FRAG_RESULT_DEPTH
] = fs_num_outputs
;
851 outputsWritten
&= ~(1 << FRAG_RESULT_DEPTH
);
854 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_STENCIL
)) {
855 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_STENCIL
;
856 fs_output_semantic_index
[fs_num_outputs
] = 0;
857 outputMapping
[FRAG_RESULT_STENCIL
] = fs_num_outputs
;
859 outputsWritten
&= ~(1 << FRAG_RESULT_STENCIL
);
862 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK
)) {
863 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_SAMPLEMASK
;
864 fs_output_semantic_index
[fs_num_outputs
] = 0;
865 outputMapping
[FRAG_RESULT_SAMPLE_MASK
] = fs_num_outputs
;
867 outputsWritten
&= ~(1 << FRAG_RESULT_SAMPLE_MASK
);
870 /* handle remaining outputs (color) */
871 for (attr
= 0; attr
< ARRAY_SIZE(outputMapping
); attr
++) {
872 const GLbitfield64 written
= attr
< FRAG_RESULT_MAX
? outputsWritten
:
873 stfp
->Base
.SecondaryOutputsWritten
;
874 const unsigned loc
= attr
% FRAG_RESULT_MAX
;
876 if (written
& BITFIELD64_BIT(loc
)) {
878 case FRAG_RESULT_DEPTH
:
879 case FRAG_RESULT_STENCIL
:
880 case FRAG_RESULT_SAMPLE_MASK
:
884 case FRAG_RESULT_COLOR
:
885 write_all
= GL_TRUE
; /* fallthrough */
888 assert(loc
== FRAG_RESULT_COLOR
||
889 (FRAG_RESULT_DATA0
<= loc
&& loc
< FRAG_RESULT_MAX
));
891 index
= (loc
== FRAG_RESULT_COLOR
) ? 0 : (loc
- FRAG_RESULT_DATA0
);
893 if (attr
>= FRAG_RESULT_MAX
) {
894 /* Secondary color for dual source blending. */
899 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_COLOR
;
900 fs_output_semantic_index
[fs_num_outputs
] = index
;
901 outputMapping
[attr
] = fs_num_outputs
;
910 ureg
= ureg_create_with_screen(PIPE_SHADER_FRAGMENT
, st
->pipe
->screen
);
914 if (ST_DEBUG
& DEBUG_MESA
) {
915 _mesa_print_program(&stfp
->Base
);
916 _mesa_print_program_parameters(st
->ctx
, &stfp
->Base
);
919 if (write_all
== GL_TRUE
)
920 ureg_property(ureg
, TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS
, 1);
922 if (stfp
->Base
.info
.fs
.depth_layout
!= FRAG_DEPTH_LAYOUT_NONE
) {
923 switch (stfp
->Base
.info
.fs
.depth_layout
) {
924 case FRAG_DEPTH_LAYOUT_ANY
:
925 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
926 TGSI_FS_DEPTH_LAYOUT_ANY
);
928 case FRAG_DEPTH_LAYOUT_GREATER
:
929 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
930 TGSI_FS_DEPTH_LAYOUT_GREATER
);
932 case FRAG_DEPTH_LAYOUT_LESS
:
933 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
934 TGSI_FS_DEPTH_LAYOUT_LESS
);
936 case FRAG_DEPTH_LAYOUT_UNCHANGED
:
937 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
938 TGSI_FS_DEPTH_LAYOUT_UNCHANGED
);
945 if (stfp
->glsl_to_tgsi
) {
946 st_translate_program(st
->ctx
,
947 PIPE_SHADER_FRAGMENT
,
956 input_semantic_index
,
961 fs_output_semantic_name
,
962 fs_output_semantic_index
);
964 free_glsl_to_tgsi_visitor(stfp
->glsl_to_tgsi
);
965 } else if (stfp
->ati_fs
)
966 st_translate_atifs_program(ureg
,
973 input_semantic_index
,
978 fs_output_semantic_name
,
979 fs_output_semantic_index
);
981 st_translate_mesa_program(st
->ctx
,
982 PIPE_SHADER_FRAGMENT
,
989 input_semantic_index
,
994 fs_output_semantic_name
,
995 fs_output_semantic_index
);
997 stfp
->tgsi
.tokens
= ureg_get_tokens(ureg
, &stfp
->num_tgsi_tokens
);
1000 if (stfp
->glsl_to_tgsi
) {
1001 stfp
->glsl_to_tgsi
= NULL
;
1002 st_store_ir_in_disk_cache(st
, &stfp
->Base
, false);
1005 return stfp
->tgsi
.tokens
!= NULL
;
1008 static struct st_fp_variant
*
1009 st_create_fp_variant(struct st_context
*st
,
1010 struct st_fragment_program
*stfp
,
1011 const struct st_fp_variant_key
*key
)
1013 struct pipe_context
*pipe
= st
->pipe
;
1014 struct st_fp_variant
*variant
= CALLOC_STRUCT(st_fp_variant
);
1015 struct pipe_shader_state tgsi
= {0};
1016 struct gl_program_parameter_list
*params
= stfp
->Base
.Parameters
;
1017 static const gl_state_index16 texcoord_state
[STATE_LENGTH
] =
1018 { STATE_INTERNAL
, STATE_CURRENT_ATTRIB
, VERT_ATTRIB_TEX0
};
1019 static const gl_state_index16 scale_state
[STATE_LENGTH
] =
1020 { STATE_INTERNAL
, STATE_PT_SCALE
};
1021 static const gl_state_index16 bias_state
[STATE_LENGTH
] =
1022 { STATE_INTERNAL
, STATE_PT_BIAS
};
1027 if (stfp
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
1028 tgsi
.type
= PIPE_SHADER_IR_NIR
;
1029 tgsi
.ir
.nir
= nir_shader_clone(NULL
, stfp
->tgsi
.ir
.nir
);
1031 if (key
->clamp_color
)
1032 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_clamp_color_outputs
);
1034 if (key
->persample_shading
) {
1035 nir_shader
*shader
= tgsi
.ir
.nir
;
1036 nir_foreach_variable(var
, &shader
->inputs
)
1037 var
->data
.sample
= true;
1040 assert(!(key
->bitmap
&& key
->drawpixels
));
1044 nir_lower_bitmap_options options
= {0};
1046 variant
->bitmap_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1047 options
.sampler
= variant
->bitmap_sampler
;
1048 options
.swizzle_xxxx
= (st
->bitmap
.tex_format
== PIPE_FORMAT_L8_UNORM
);
1050 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_bitmap
, &options
);
1053 /* glDrawPixels (color only) */
1054 if (key
->drawpixels
) {
1055 nir_lower_drawpixels_options options
= {{0}};
1056 unsigned samplers_used
= stfp
->Base
.SamplersUsed
;
1058 /* Find the first unused slot. */
1059 variant
->drawpix_sampler
= ffs(~samplers_used
) - 1;
1060 options
.drawpix_sampler
= variant
->drawpix_sampler
;
1061 samplers_used
|= (1 << variant
->drawpix_sampler
);
1063 options
.pixel_maps
= key
->pixelMaps
;
1064 if (key
->pixelMaps
) {
1065 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
1066 options
.pixelmap_sampler
= variant
->pixelmap_sampler
;
1069 options
.scale_and_bias
= key
->scaleAndBias
;
1070 if (key
->scaleAndBias
) {
1071 _mesa_add_state_reference(params
, scale_state
);
1072 memcpy(options
.scale_state_tokens
, scale_state
,
1073 sizeof(options
.scale_state_tokens
));
1074 _mesa_add_state_reference(params
, bias_state
);
1075 memcpy(options
.bias_state_tokens
, bias_state
,
1076 sizeof(options
.bias_state_tokens
));
1079 _mesa_add_state_reference(params
, texcoord_state
);
1080 memcpy(options
.texcoord_state_tokens
, texcoord_state
,
1081 sizeof(options
.texcoord_state_tokens
));
1083 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_drawpixels
, &options
);
1086 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1087 nir_lower_tex_options options
= {0};
1088 options
.lower_y_uv_external
= key
->external
.lower_nv12
;
1089 options
.lower_y_u_v_external
= key
->external
.lower_iyuv
;
1090 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_tex
, &options
);
1093 st_finalize_nir(st
, &stfp
->Base
, stfp
->shader_program
, tgsi
.ir
.nir
);
1095 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1096 /* This pass needs to happen *after* nir_lower_sampler */
1097 NIR_PASS_V(tgsi
.ir
.nir
, st_nir_lower_tex_src_plane
,
1098 ~stfp
->Base
.SamplersUsed
,
1099 key
->external
.lower_nv12
,
1100 key
->external
.lower_iyuv
);
1103 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
1104 variant
->key
= *key
;
1109 tgsi
.tokens
= stfp
->tgsi
.tokens
;
1111 assert(!(key
->bitmap
&& key
->drawpixels
));
1113 /* Fix texture targets and add fog for ATI_fs */
1115 const struct tgsi_token
*tokens
= st_fixup_atifs(tgsi
.tokens
, key
);
1118 tgsi
.tokens
= tokens
;
1120 fprintf(stderr
, "mesa: cannot post-process ATI_fs\n");
1123 /* Emulate features. */
1124 if (key
->clamp_color
|| key
->persample_shading
) {
1125 const struct tgsi_token
*tokens
;
1127 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
1128 (key
->persample_shading
? TGSI_EMU_FORCE_PERSAMPLE_INTERP
: 0);
1130 tokens
= tgsi_emulate(tgsi
.tokens
, flags
);
1133 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1134 tgsi_free_tokens(tgsi
.tokens
);
1135 tgsi
.tokens
= tokens
;
1137 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
1142 const struct tgsi_token
*tokens
;
1144 variant
->bitmap_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1146 tokens
= st_get_bitmap_shader(tgsi
.tokens
,
1147 st
->internal_target
,
1148 variant
->bitmap_sampler
,
1149 st
->needs_texcoord_semantic
,
1150 st
->bitmap
.tex_format
==
1151 PIPE_FORMAT_L8_UNORM
);
1154 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1155 tgsi_free_tokens(tgsi
.tokens
);
1156 tgsi
.tokens
= tokens
;
1158 fprintf(stderr
, "mesa: cannot create a shader for glBitmap\n");
1161 /* glDrawPixels (color only) */
1162 if (key
->drawpixels
) {
1163 const struct tgsi_token
*tokens
;
1164 unsigned scale_const
= 0, bias_const
= 0, texcoord_const
= 0;
1166 /* Find the first unused slot. */
1167 variant
->drawpix_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1169 if (key
->pixelMaps
) {
1170 unsigned samplers_used
= stfp
->Base
.SamplersUsed
|
1171 (1 << variant
->drawpix_sampler
);
1173 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
1176 if (key
->scaleAndBias
) {
1177 scale_const
= _mesa_add_state_reference(params
, scale_state
);
1178 bias_const
= _mesa_add_state_reference(params
, bias_state
);
1181 texcoord_const
= _mesa_add_state_reference(params
, texcoord_state
);
1183 tokens
= st_get_drawpix_shader(tgsi
.tokens
,
1184 st
->needs_texcoord_semantic
,
1185 key
->scaleAndBias
, scale_const
,
1186 bias_const
, key
->pixelMaps
,
1187 variant
->drawpix_sampler
,
1188 variant
->pixelmap_sampler
,
1189 texcoord_const
, st
->internal_target
);
1192 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1193 tgsi_free_tokens(tgsi
.tokens
);
1194 tgsi
.tokens
= tokens
;
1196 fprintf(stderr
, "mesa: cannot create a shader for glDrawPixels\n");
1199 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1200 const struct tgsi_token
*tokens
;
1202 /* samplers inserted would conflict, but this should be unpossible: */
1203 assert(!(key
->bitmap
|| key
->drawpixels
));
1205 tokens
= st_tgsi_lower_yuv(tgsi
.tokens
,
1206 ~stfp
->Base
.SamplersUsed
,
1207 key
->external
.lower_nv12
,
1208 key
->external
.lower_iyuv
);
1210 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1211 tgsi_free_tokens(tgsi
.tokens
);
1212 tgsi
.tokens
= tokens
;
1214 fprintf(stderr
, "mesa: cannot create a shader for samplerExternalOES\n");
1218 if (ST_DEBUG
& DEBUG_TGSI
) {
1219 tgsi_dump(tgsi
.tokens
, 0);
1223 /* fill in variant */
1224 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
1225 variant
->key
= *key
;
1227 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1228 tgsi_free_tokens(tgsi
.tokens
);
1233 * Translate fragment program if needed.
1235 struct st_fp_variant
*
1236 st_get_fp_variant(struct st_context
*st
,
1237 struct st_fragment_program
*stfp
,
1238 const struct st_fp_variant_key
*key
)
1240 struct st_fp_variant
*fpv
;
1242 /* Search for existing variant */
1243 for (fpv
= stfp
->variants
; fpv
; fpv
= fpv
->next
) {
1244 if (memcmp(&fpv
->key
, key
, sizeof(*key
)) == 0) {
1251 fpv
= st_create_fp_variant(st
, stfp
, key
);
1253 if (key
->bitmap
|| key
->drawpixels
) {
1254 /* Regular variants should always come before the
1255 * bitmap & drawpixels variants, (unless there
1256 * are no regular variants) so that
1257 * st_update_fp can take a fast path when
1258 * shader_has_one_variant is set.
1260 if (!stfp
->variants
) {
1261 stfp
->variants
= fpv
;
1263 /* insert into list after the first one */
1264 fpv
->next
= stfp
->variants
->next
;
1265 stfp
->variants
->next
= fpv
;
1268 /* insert into list */
1269 fpv
->next
= stfp
->variants
;
1270 stfp
->variants
= fpv
;
1280 * Translate a program. This is common code for geometry and tessellation
1284 st_translate_program_common(struct st_context
*st
,
1285 struct gl_program
*prog
,
1286 struct glsl_to_tgsi_visitor
*glsl_to_tgsi
,
1287 struct ureg_program
*ureg
,
1288 unsigned tgsi_processor
,
1289 struct pipe_shader_state
*out_state
)
1291 ubyte inputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
1292 ubyte inputMapping
[VARYING_SLOT_TESS_MAX
];
1293 ubyte outputMapping
[VARYING_SLOT_TESS_MAX
];
1296 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
1297 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
1298 uint num_inputs
= 0;
1300 ubyte output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
1301 ubyte output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
1302 uint num_outputs
= 0;
1306 memset(inputSlotToAttr
, 0, sizeof(inputSlotToAttr
));
1307 memset(inputMapping
, 0, sizeof(inputMapping
));
1308 memset(outputMapping
, 0, sizeof(outputMapping
));
1309 memset(out_state
, 0, sizeof(*out_state
));
1311 if (prog
->info
.clip_distance_array_size
)
1312 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
1313 prog
->info
.clip_distance_array_size
);
1314 if (prog
->info
.cull_distance_array_size
)
1315 ureg_property(ureg
, TGSI_PROPERTY_NUM_CULLDIST_ENABLED
,
1316 prog
->info
.cull_distance_array_size
);
1319 * Convert Mesa program inputs to TGSI input register semantics.
1321 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1322 if ((prog
->info
.inputs_read
& BITFIELD64_BIT(attr
)) == 0)
1325 unsigned slot
= num_inputs
++;
1327 inputMapping
[attr
] = slot
;
1328 inputSlotToAttr
[slot
] = attr
;
1330 unsigned semantic_name
, semantic_index
;
1331 tgsi_get_gl_varying_semantic(attr
, st
->needs_texcoord_semantic
,
1332 &semantic_name
, &semantic_index
);
1333 input_semantic_name
[slot
] = semantic_name
;
1334 input_semantic_index
[slot
] = semantic_index
;
1337 /* Also add patch inputs. */
1338 for (attr
= 0; attr
< 32; attr
++) {
1339 if (prog
->info
.patch_inputs_read
& (1u << attr
)) {
1340 GLuint slot
= num_inputs
++;
1341 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1343 inputMapping
[patch_attr
] = slot
;
1344 inputSlotToAttr
[slot
] = patch_attr
;
1345 input_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1346 input_semantic_index
[slot
] = attr
;
1350 /* initialize output semantics to defaults */
1351 for (i
= 0; i
< PIPE_MAX_SHADER_OUTPUTS
; i
++) {
1352 output_semantic_name
[i
] = TGSI_SEMANTIC_GENERIC
;
1353 output_semantic_index
[i
] = 0;
1357 * Determine number of outputs, the (default) output register
1358 * mapping and the semantic information for each output.
1360 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1361 if (prog
->info
.outputs_written
& BITFIELD64_BIT(attr
)) {
1362 GLuint slot
= num_outputs
++;
1364 outputMapping
[attr
] = slot
;
1366 unsigned semantic_name
, semantic_index
;
1367 tgsi_get_gl_varying_semantic(attr
, st
->needs_texcoord_semantic
,
1368 &semantic_name
, &semantic_index
);
1369 output_semantic_name
[slot
] = semantic_name
;
1370 output_semantic_index
[slot
] = semantic_index
;
1374 /* Also add patch outputs. */
1375 for (attr
= 0; attr
< 32; attr
++) {
1376 if (prog
->info
.patch_outputs_written
& (1u << attr
)) {
1377 GLuint slot
= num_outputs
++;
1378 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1380 outputMapping
[patch_attr
] = slot
;
1381 output_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1382 output_semantic_index
[slot
] = attr
;
1386 st_translate_program(st
->ctx
,
1395 input_semantic_name
,
1396 input_semantic_index
,
1401 output_semantic_name
,
1402 output_semantic_index
);
1404 if (tgsi_processor
== PIPE_SHADER_COMPUTE
) {
1405 struct st_compute_program
*stcp
= (struct st_compute_program
*) prog
;
1406 out_state
->tokens
= ureg_get_tokens(ureg
, &stcp
->num_tgsi_tokens
);
1407 stcp
->tgsi
.prog
= out_state
->tokens
;
1409 struct st_common_program
*stcp
= (struct st_common_program
*) prog
;
1410 out_state
->tokens
= ureg_get_tokens(ureg
, &stcp
->num_tgsi_tokens
);
1414 st_translate_stream_output_info(glsl_to_tgsi
,
1416 &out_state
->stream_output
);
1418 st_store_ir_in_disk_cache(st
, prog
, false);
1420 if ((ST_DEBUG
& DEBUG_TGSI
) && (ST_DEBUG
& DEBUG_MESA
)) {
1421 _mesa_print_program(prog
);
1425 if (ST_DEBUG
& DEBUG_TGSI
) {
1426 tgsi_dump(out_state
->tokens
, 0);
1432 * Update stream-output info for GS/TCS/TES. Normally this is done in
1433 * st_translate_program_common() but that is not called for glsl_to_nir
1437 st_translate_program_stream_output(struct gl_program
*prog
,
1438 struct pipe_stream_output_info
*stream_output
)
1440 if (!prog
->sh
.LinkedTransformFeedback
)
1443 ubyte outputMapping
[VARYING_SLOT_TESS_MAX
];
1445 uint num_outputs
= 0;
1447 memset(outputMapping
, 0, sizeof(outputMapping
));
1450 * Determine number of outputs, the (default) output register
1451 * mapping and the semantic information for each output.
1453 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1454 if (prog
->info
.outputs_written
& BITFIELD64_BIT(attr
)) {
1455 GLuint slot
= num_outputs
++;
1457 outputMapping
[attr
] = slot
;
1461 st_translate_stream_output_info2(prog
->sh
.LinkedTransformFeedback
,
1467 * Translate a geometry program to create a new variant.
1470 st_translate_geometry_program(struct st_context
*st
,
1471 struct st_common_program
*stgp
)
1473 struct ureg_program
*ureg
;
1475 /* We have already compiled to NIR so just return */
1476 if (stgp
->shader_program
) {
1478 st_finalize_nir(st
, &stgp
->Base
, stgp
->shader_program
,
1480 st_translate_program_stream_output(&stgp
->Base
, &stgp
->tgsi
.stream_output
);
1481 st_store_ir_in_disk_cache(st
, &stgp
->Base
, true);
1485 ureg
= ureg_create_with_screen(PIPE_SHADER_GEOMETRY
, st
->pipe
->screen
);
1489 ureg_property(ureg
, TGSI_PROPERTY_GS_INPUT_PRIM
,
1490 stgp
->Base
.info
.gs
.input_primitive
);
1491 ureg_property(ureg
, TGSI_PROPERTY_GS_OUTPUT_PRIM
,
1492 stgp
->Base
.info
.gs
.output_primitive
);
1493 ureg_property(ureg
, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES
,
1494 stgp
->Base
.info
.gs
.vertices_out
);
1495 ureg_property(ureg
, TGSI_PROPERTY_GS_INVOCATIONS
,
1496 stgp
->Base
.info
.gs
.invocations
);
1498 st_translate_program_common(st
, &stgp
->Base
, stgp
->glsl_to_tgsi
, ureg
,
1499 PIPE_SHADER_GEOMETRY
, &stgp
->tgsi
);
1501 free_glsl_to_tgsi_visitor(stgp
->glsl_to_tgsi
);
1502 stgp
->glsl_to_tgsi
= NULL
;
1508 * Get/create a basic program variant.
1510 struct st_basic_variant
*
1511 st_get_basic_variant(struct st_context
*st
,
1512 unsigned pipe_shader
,
1513 struct st_common_program
*prog
)
1515 struct pipe_context
*pipe
= st
->pipe
;
1516 struct st_basic_variant
*v
;
1517 struct st_basic_variant_key key
;
1518 struct pipe_shader_state tgsi
= {0};
1519 memset(&key
, 0, sizeof(key
));
1520 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1522 /* Search for existing variant */
1523 for (v
= prog
->variants
; v
; v
= v
->next
) {
1524 if (memcmp(&v
->key
, &key
, sizeof(key
)) == 0) {
1531 v
= CALLOC_STRUCT(st_basic_variant
);
1534 if (prog
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
1535 tgsi
.type
= PIPE_SHADER_IR_NIR
;
1536 tgsi
.ir
.nir
= nir_shader_clone(NULL
, prog
->tgsi
.ir
.nir
);
1537 tgsi
.stream_output
= prog
->tgsi
.stream_output
;
1540 /* fill in new variant */
1541 switch (pipe_shader
) {
1542 case PIPE_SHADER_TESS_CTRL
:
1543 v
->driver_shader
= pipe
->create_tcs_state(pipe
, &tgsi
);
1545 case PIPE_SHADER_TESS_EVAL
:
1546 v
->driver_shader
= pipe
->create_tes_state(pipe
, &tgsi
);
1548 case PIPE_SHADER_GEOMETRY
:
1549 v
->driver_shader
= pipe
->create_gs_state(pipe
, &tgsi
);
1552 assert(!"unhandled shader type");
1559 /* insert into list */
1560 v
->next
= prog
->variants
;
1570 * Translate a tessellation control program to create a new variant.
1573 st_translate_tessctrl_program(struct st_context
*st
,
1574 struct st_common_program
*sttcp
)
1576 struct ureg_program
*ureg
;
1578 /* We have already compiled to NIR so just return */
1579 if (sttcp
->shader_program
) {
1581 st_finalize_nir(st
, &sttcp
->Base
, sttcp
->shader_program
,
1582 sttcp
->tgsi
.ir
.nir
);
1583 st_store_ir_in_disk_cache(st
, &sttcp
->Base
, true);
1587 ureg
= ureg_create_with_screen(PIPE_SHADER_TESS_CTRL
, st
->pipe
->screen
);
1591 ureg_property(ureg
, TGSI_PROPERTY_TCS_VERTICES_OUT
,
1592 sttcp
->Base
.info
.tess
.tcs_vertices_out
);
1594 st_translate_program_common(st
, &sttcp
->Base
, sttcp
->glsl_to_tgsi
, ureg
,
1595 PIPE_SHADER_TESS_CTRL
, &sttcp
->tgsi
);
1597 free_glsl_to_tgsi_visitor(sttcp
->glsl_to_tgsi
);
1598 sttcp
->glsl_to_tgsi
= NULL
;
1604 * Translate a tessellation evaluation program to create a new variant.
1607 st_translate_tesseval_program(struct st_context
*st
,
1608 struct st_common_program
*sttep
)
1610 struct ureg_program
*ureg
;
1612 /* We have already compiled to NIR so just return */
1613 if (sttep
->shader_program
) {
1615 st_finalize_nir(st
, &sttep
->Base
, sttep
->shader_program
,
1616 sttep
->tgsi
.ir
.nir
);
1617 st_translate_program_stream_output(&sttep
->Base
, &sttep
->tgsi
.stream_output
);
1618 st_store_ir_in_disk_cache(st
, &sttep
->Base
, true);
1622 ureg
= ureg_create_with_screen(PIPE_SHADER_TESS_EVAL
, st
->pipe
->screen
);
1626 if (sttep
->Base
.info
.tess
.primitive_mode
== GL_ISOLINES
)
1627 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, GL_LINES
);
1629 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
,
1630 sttep
->Base
.info
.tess
.primitive_mode
);
1632 STATIC_ASSERT((TESS_SPACING_EQUAL
+ 1) % 3 == PIPE_TESS_SPACING_EQUAL
);
1633 STATIC_ASSERT((TESS_SPACING_FRACTIONAL_ODD
+ 1) % 3 ==
1634 PIPE_TESS_SPACING_FRACTIONAL_ODD
);
1635 STATIC_ASSERT((TESS_SPACING_FRACTIONAL_EVEN
+ 1) % 3 ==
1636 PIPE_TESS_SPACING_FRACTIONAL_EVEN
);
1638 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1639 (sttep
->Base
.info
.tess
.spacing
+ 1) % 3);
1641 ureg_property(ureg
, TGSI_PROPERTY_TES_VERTEX_ORDER_CW
,
1642 !sttep
->Base
.info
.tess
.ccw
);
1643 ureg_property(ureg
, TGSI_PROPERTY_TES_POINT_MODE
,
1644 sttep
->Base
.info
.tess
.point_mode
);
1646 st_translate_program_common(st
, &sttep
->Base
, sttep
->glsl_to_tgsi
,
1647 ureg
, PIPE_SHADER_TESS_EVAL
, &sttep
->tgsi
);
1649 free_glsl_to_tgsi_visitor(sttep
->glsl_to_tgsi
);
1650 sttep
->glsl_to_tgsi
= NULL
;
1656 * Translate a compute program to create a new variant.
1659 st_translate_compute_program(struct st_context
*st
,
1660 struct st_compute_program
*stcp
)
1662 struct ureg_program
*ureg
;
1663 struct pipe_shader_state prog
;
1665 stcp
->tgsi
.req_local_mem
= stcp
->Base
.info
.cs
.shared_size
;
1667 if (stcp
->shader_program
) {
1668 /* no compute variants: */
1669 st_finalize_nir(st
, &stcp
->Base
, stcp
->shader_program
,
1670 (struct nir_shader
*) stcp
->tgsi
.prog
);
1671 st_store_ir_in_disk_cache(st
, &stcp
->Base
, true);
1675 ureg
= ureg_create_with_screen(PIPE_SHADER_COMPUTE
, st
->pipe
->screen
);
1679 st_translate_program_common(st
, &stcp
->Base
, stcp
->glsl_to_tgsi
, ureg
,
1680 PIPE_SHADER_COMPUTE
, &prog
);
1682 stcp
->tgsi
.ir_type
= PIPE_SHADER_IR_TGSI
;
1683 stcp
->tgsi
.req_private_mem
= 0;
1684 stcp
->tgsi
.req_input_mem
= 0;
1686 free_glsl_to_tgsi_visitor(stcp
->glsl_to_tgsi
);
1687 stcp
->glsl_to_tgsi
= NULL
;
1693 * Get/create compute program variant.
1695 struct st_basic_variant
*
1696 st_get_cp_variant(struct st_context
*st
,
1697 struct pipe_compute_state
*tgsi
,
1698 struct st_basic_variant
**variants
)
1700 struct pipe_context
*pipe
= st
->pipe
;
1701 struct st_basic_variant
*v
;
1702 struct st_basic_variant_key key
;
1704 memset(&key
, 0, sizeof(key
));
1705 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1707 /* Search for existing variant */
1708 for (v
= *variants
; v
; v
= v
->next
) {
1709 if (memcmp(&v
->key
, &key
, sizeof(key
)) == 0) {
1716 v
= CALLOC_STRUCT(st_basic_variant
);
1718 /* fill in new variant */
1719 struct pipe_compute_state cs
= *tgsi
;
1720 if (tgsi
->ir_type
== PIPE_SHADER_IR_NIR
)
1721 cs
.prog
= nir_shader_clone(NULL
, tgsi
->prog
);
1722 v
->driver_shader
= pipe
->create_compute_state(pipe
, &cs
);
1725 /* insert into list */
1726 v
->next
= *variants
;
1736 * Vert/Geom/Frag programs have per-context variants. Free all the
1737 * variants attached to the given program which match the given context.
1740 destroy_program_variants(struct st_context
*st
, struct gl_program
*target
)
1742 if (!target
|| target
== &_mesa_DummyProgram
)
1745 switch (target
->Target
) {
1746 case GL_VERTEX_PROGRAM_ARB
:
1748 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) target
;
1749 struct st_vp_variant
*vpv
, **prevPtr
= &stvp
->variants
;
1751 for (vpv
= stvp
->variants
; vpv
; ) {
1752 struct st_vp_variant
*next
= vpv
->next
;
1753 if (vpv
->key
.st
== st
) {
1754 /* unlink from list */
1756 /* destroy this variant */
1757 delete_vp_variant(st
, vpv
);
1760 prevPtr
= &vpv
->next
;
1766 case GL_FRAGMENT_PROGRAM_ARB
:
1768 struct st_fragment_program
*stfp
=
1769 (struct st_fragment_program
*) target
;
1770 struct st_fp_variant
*fpv
, **prevPtr
= &stfp
->variants
;
1772 for (fpv
= stfp
->variants
; fpv
; ) {
1773 struct st_fp_variant
*next
= fpv
->next
;
1774 if (fpv
->key
.st
== st
) {
1775 /* unlink from list */
1777 /* destroy this variant */
1778 delete_fp_variant(st
, fpv
);
1781 prevPtr
= &fpv
->next
;
1787 case GL_GEOMETRY_PROGRAM_NV
:
1788 case GL_TESS_CONTROL_PROGRAM_NV
:
1789 case GL_TESS_EVALUATION_PROGRAM_NV
:
1790 case GL_COMPUTE_PROGRAM_NV
:
1792 struct st_common_program
*p
= st_common_program(target
);
1793 struct st_compute_program
*cp
= (struct st_compute_program
*)target
;
1794 struct st_basic_variant
**variants
=
1795 target
->Target
== GL_COMPUTE_PROGRAM_NV
? &cp
->variants
:
1797 struct st_basic_variant
*v
, **prevPtr
= variants
;
1799 for (v
= *variants
; v
; ) {
1800 struct st_basic_variant
*next
= v
->next
;
1801 if (v
->key
.st
== st
) {
1802 /* unlink from list */
1804 /* destroy this variant */
1805 delete_basic_variant(st
, v
, target
->Target
);
1815 _mesa_problem(NULL
, "Unexpected program target 0x%x in "
1816 "destroy_program_variants_cb()", target
->Target
);
1822 * Callback for _mesa_HashWalk. Free all the shader's program variants
1823 * which match the given context.
1826 destroy_shader_program_variants_cb(GLuint key
, void *data
, void *userData
)
1828 struct st_context
*st
= (struct st_context
*) userData
;
1829 struct gl_shader
*shader
= (struct gl_shader
*) data
;
1831 switch (shader
->Type
) {
1832 case GL_SHADER_PROGRAM_MESA
:
1834 struct gl_shader_program
*shProg
= (struct gl_shader_program
*) data
;
1837 for (i
= 0; i
< ARRAY_SIZE(shProg
->_LinkedShaders
); i
++) {
1838 if (shProg
->_LinkedShaders
[i
])
1839 destroy_program_variants(st
, shProg
->_LinkedShaders
[i
]->Program
);
1843 case GL_VERTEX_SHADER
:
1844 case GL_FRAGMENT_SHADER
:
1845 case GL_GEOMETRY_SHADER
:
1846 case GL_TESS_CONTROL_SHADER
:
1847 case GL_TESS_EVALUATION_SHADER
:
1848 case GL_COMPUTE_SHADER
:
1857 * Callback for _mesa_HashWalk. Free all the program variants which match
1858 * the given context.
1861 destroy_program_variants_cb(GLuint key
, void *data
, void *userData
)
1863 struct st_context
*st
= (struct st_context
*) userData
;
1864 struct gl_program
*program
= (struct gl_program
*) data
;
1865 destroy_program_variants(st
, program
);
1870 * Walk over all shaders and programs to delete any variants which
1871 * belong to the given context.
1872 * This is called during context tear-down.
1875 st_destroy_program_variants(struct st_context
*st
)
1877 /* If shaders can be shared with other contexts, the last context will
1878 * call DeleteProgram on all shaders, releasing everything.
1880 if (st
->has_shareable_shaders
)
1883 /* ARB vert/frag program */
1884 _mesa_HashWalk(st
->ctx
->Shared
->Programs
,
1885 destroy_program_variants_cb
, st
);
1887 /* GLSL vert/frag/geom shaders */
1888 _mesa_HashWalk(st
->ctx
->Shared
->ShaderObjects
,
1889 destroy_shader_program_variants_cb
, st
);
1894 * For debugging, print/dump the current vertex program.
1897 st_print_current_vertex_program(void)
1899 GET_CURRENT_CONTEXT(ctx
);
1901 if (ctx
->VertexProgram
._Current
) {
1902 struct st_vertex_program
*stvp
=
1903 (struct st_vertex_program
*) ctx
->VertexProgram
._Current
;
1904 struct st_vp_variant
*stv
;
1906 debug_printf("Vertex program %u\n", stvp
->Base
.Id
);
1908 for (stv
= stvp
->variants
; stv
; stv
= stv
->next
) {
1909 debug_printf("variant %p\n", stv
);
1910 tgsi_dump(stv
->tgsi
.tokens
, 0);
1917 * Compile one shader variant.
1920 st_precompile_shader_variant(struct st_context
*st
,
1921 struct gl_program
*prog
)
1923 switch (prog
->Target
) {
1924 case GL_VERTEX_PROGRAM_ARB
: {
1925 struct st_vertex_program
*p
= (struct st_vertex_program
*)prog
;
1926 struct st_vp_variant_key key
;
1928 memset(&key
, 0, sizeof(key
));
1929 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1930 st_get_vp_variant(st
, p
, &key
);
1934 case GL_TESS_CONTROL_PROGRAM_NV
: {
1935 struct st_common_program
*p
= st_common_program(prog
);
1936 st_get_basic_variant(st
, PIPE_SHADER_TESS_CTRL
, p
);
1940 case GL_TESS_EVALUATION_PROGRAM_NV
: {
1941 struct st_common_program
*p
= st_common_program(prog
);
1942 st_get_basic_variant(st
, PIPE_SHADER_TESS_EVAL
, p
);
1946 case GL_GEOMETRY_PROGRAM_NV
: {
1947 struct st_common_program
*p
= st_common_program(prog
);
1948 st_get_basic_variant(st
, PIPE_SHADER_GEOMETRY
, p
);
1952 case GL_FRAGMENT_PROGRAM_ARB
: {
1953 struct st_fragment_program
*p
= (struct st_fragment_program
*)prog
;
1954 struct st_fp_variant_key key
;
1956 memset(&key
, 0, sizeof(key
));
1957 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1958 st_get_fp_variant(st
, p
, &key
);
1962 case GL_COMPUTE_PROGRAM_NV
: {
1963 struct st_compute_program
*p
= (struct st_compute_program
*)prog
;
1964 st_get_cp_variant(st
, &p
->tgsi
, &p
->variants
);