1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 * Keith Whitwell <keithw@vmware.com>
34 #include "main/imports.h"
35 #include "main/hash.h"
36 #include "main/mtypes.h"
37 #include "program/prog_parameter.h"
38 #include "program/prog_print.h"
39 #include "program/programopt.h"
41 #include "compiler/nir/nir.h"
43 #include "pipe/p_context.h"
44 #include "pipe/p_defines.h"
45 #include "pipe/p_shader_tokens.h"
46 #include "draw/draw_context.h"
47 #include "tgsi/tgsi_dump.h"
48 #include "tgsi/tgsi_emulate.h"
49 #include "tgsi/tgsi_parse.h"
50 #include "tgsi/tgsi_ureg.h"
53 #include "st_cb_bitmap.h"
54 #include "st_cb_drawpixels.h"
55 #include "st_context.h"
56 #include "st_tgsi_lower_yuv.h"
57 #include "st_program.h"
58 #include "st_mesa_to_tgsi.h"
59 #include "st_atifs_to_tgsi.h"
61 #include "st_shader_cache.h"
62 #include "cso_cache/cso_context.h"
67 set_affected_state_flags(uint64_t *states
,
68 struct gl_program
*prog
,
69 uint64_t new_constants
,
70 uint64_t new_sampler_views
,
71 uint64_t new_samplers
,
77 if (prog
->Parameters
->NumParameters
)
78 *states
|= new_constants
;
80 if (prog
->info
.num_textures
)
81 *states
|= new_sampler_views
| new_samplers
;
83 if (prog
->info
.num_images
)
84 *states
|= new_images
;
86 if (prog
->info
.num_ubos
)
89 if (prog
->info
.num_ssbos
)
92 if (prog
->info
.num_abos
)
93 *states
|= new_atomics
;
97 * This determines which states will be updated when the shader is bound.
100 st_set_prog_affected_state_flags(struct gl_program
*prog
)
104 switch (prog
->info
.stage
) {
105 case MESA_SHADER_VERTEX
:
106 states
= &((struct st_vertex_program
*)prog
)->affected_states
;
108 *states
= ST_NEW_VS_STATE
|
110 ST_NEW_VERTEX_ARRAYS
;
112 set_affected_state_flags(states
, prog
,
114 ST_NEW_VS_SAMPLER_VIEWS
,
122 case MESA_SHADER_TESS_CTRL
:
123 states
= &(st_common_program(prog
))->affected_states
;
125 *states
= ST_NEW_TCS_STATE
;
127 set_affected_state_flags(states
, prog
,
128 ST_NEW_TCS_CONSTANTS
,
129 ST_NEW_TCS_SAMPLER_VIEWS
,
137 case MESA_SHADER_TESS_EVAL
:
138 states
= &(st_common_program(prog
))->affected_states
;
140 *states
= ST_NEW_TES_STATE
|
143 set_affected_state_flags(states
, prog
,
144 ST_NEW_TES_CONSTANTS
,
145 ST_NEW_TES_SAMPLER_VIEWS
,
153 case MESA_SHADER_GEOMETRY
:
154 states
= &(st_common_program(prog
))->affected_states
;
156 *states
= ST_NEW_GS_STATE
|
159 set_affected_state_flags(states
, prog
,
161 ST_NEW_GS_SAMPLER_VIEWS
,
169 case MESA_SHADER_FRAGMENT
:
170 states
= &((struct st_fragment_program
*)prog
)->affected_states
;
172 /* gl_FragCoord and glDrawPixels always use constants. */
173 *states
= ST_NEW_FS_STATE
|
174 ST_NEW_SAMPLE_SHADING
|
177 set_affected_state_flags(states
, prog
,
179 ST_NEW_FS_SAMPLER_VIEWS
,
187 case MESA_SHADER_COMPUTE
:
188 states
= &((struct st_compute_program
*)prog
)->affected_states
;
190 *states
= ST_NEW_CS_STATE
;
192 set_affected_state_flags(states
, prog
,
194 ST_NEW_CS_SAMPLER_VIEWS
,
203 unreachable("unhandled shader stage");
208 * Delete a vertex program variant. Note the caller must unlink
209 * the variant from the linked list.
212 delete_vp_variant(struct st_context
*st
, struct st_vp_variant
*vpv
)
214 if (vpv
->driver_shader
)
215 cso_delete_vertex_shader(st
->cso_context
, vpv
->driver_shader
);
217 if (vpv
->draw_shader
)
218 draw_delete_vertex_shader( st
->draw
, vpv
->draw_shader
);
220 if (((vpv
->tgsi
.type
== PIPE_SHADER_IR_TGSI
)) && vpv
->tgsi
.tokens
)
221 ureg_free_tokens(vpv
->tgsi
.tokens
);
229 * Clean out any old compilations:
232 st_release_vp_variants( struct st_context
*st
,
233 struct st_vertex_program
*stvp
)
235 struct st_vp_variant
*vpv
;
237 for (vpv
= stvp
->variants
; vpv
; ) {
238 struct st_vp_variant
*next
= vpv
->next
;
239 delete_vp_variant(st
, vpv
);
243 stvp
->variants
= NULL
;
245 if ((stvp
->tgsi
.type
== PIPE_SHADER_IR_TGSI
) && stvp
->tgsi
.tokens
) {
246 tgsi_free_tokens(stvp
->tgsi
.tokens
);
247 stvp
->tgsi
.tokens
= NULL
;
254 * Delete a fragment program variant. Note the caller must unlink
255 * the variant from the linked list.
258 delete_fp_variant(struct st_context
*st
, struct st_fp_variant
*fpv
)
260 if (fpv
->driver_shader
)
261 cso_delete_fragment_shader(st
->cso_context
, fpv
->driver_shader
);
267 * Free all variants of a fragment program.
270 st_release_fp_variants(struct st_context
*st
, struct st_fragment_program
*stfp
)
272 struct st_fp_variant
*fpv
;
274 for (fpv
= stfp
->variants
; fpv
; ) {
275 struct st_fp_variant
*next
= fpv
->next
;
276 delete_fp_variant(st
, fpv
);
280 stfp
->variants
= NULL
;
282 if ((stfp
->tgsi
.type
== PIPE_SHADER_IR_TGSI
) && stfp
->tgsi
.tokens
) {
283 ureg_free_tokens(stfp
->tgsi
.tokens
);
284 stfp
->tgsi
.tokens
= NULL
;
290 * Delete a basic program variant. Note the caller must unlink
291 * the variant from the linked list.
294 delete_basic_variant(struct st_context
*st
, struct st_basic_variant
*v
,
297 if (v
->driver_shader
) {
299 case GL_TESS_CONTROL_PROGRAM_NV
:
300 cso_delete_tessctrl_shader(st
->cso_context
, v
->driver_shader
);
302 case GL_TESS_EVALUATION_PROGRAM_NV
:
303 cso_delete_tesseval_shader(st
->cso_context
, v
->driver_shader
);
305 case GL_GEOMETRY_PROGRAM_NV
:
306 cso_delete_geometry_shader(st
->cso_context
, v
->driver_shader
);
308 case GL_COMPUTE_PROGRAM_NV
:
309 cso_delete_compute_shader(st
->cso_context
, v
->driver_shader
);
312 assert(!"this shouldn't occur");
321 * Free all basic program variants.
324 st_release_basic_variants(struct st_context
*st
, GLenum target
,
325 struct st_basic_variant
**variants
,
326 struct pipe_shader_state
*tgsi
)
328 struct st_basic_variant
*v
;
330 for (v
= *variants
; v
; ) {
331 struct st_basic_variant
*next
= v
->next
;
332 delete_basic_variant(st
, v
, target
);
339 ureg_free_tokens(tgsi
->tokens
);
346 * Free all variants of a compute program.
349 st_release_cp_variants(struct st_context
*st
, struct st_compute_program
*stcp
)
351 struct st_basic_variant
**variants
= &stcp
->variants
;
352 struct st_basic_variant
*v
;
354 for (v
= *variants
; v
; ) {
355 struct st_basic_variant
*next
= v
->next
;
356 delete_basic_variant(st
, v
, stcp
->Base
.Target
);
362 if (stcp
->tgsi
.prog
) {
363 switch (stcp
->tgsi
.ir_type
) {
364 case PIPE_SHADER_IR_TGSI
:
365 ureg_free_tokens(stcp
->tgsi
.prog
);
366 stcp
->tgsi
.prog
= NULL
;
368 case PIPE_SHADER_IR_NIR
:
369 /* pipe driver took ownership of prog */
371 case PIPE_SHADER_IR_LLVM
:
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
.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
);
472 ureg
= ureg_create_with_screen(PIPE_SHADER_VERTEX
, st
->pipe
->screen
);
476 if (stvp
->Base
.info
.clip_distance_array_size
)
477 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
478 stvp
->Base
.info
.clip_distance_array_size
);
479 if (stvp
->Base
.info
.cull_distance_array_size
)
480 ureg_property(ureg
, TGSI_PROPERTY_NUM_CULLDIST_ENABLED
,
481 stvp
->Base
.info
.cull_distance_array_size
);
483 if (ST_DEBUG
& DEBUG_MESA
) {
484 _mesa_print_program(&stvp
->Base
);
485 _mesa_print_program_parameters(st
->ctx
, &stvp
->Base
);
489 if (stvp
->glsl_to_tgsi
) {
490 error
= st_translate_program(st
->ctx
,
498 NULL
, /* inputSlotToAttr */
499 NULL
, /* input semantic name */
500 NULL
, /* input semantic index */
501 NULL
, /* interp mode */
504 stvp
->result_to_output
,
505 output_semantic_name
,
506 output_semantic_index
);
508 st_translate_stream_output_info(stvp
->glsl_to_tgsi
,
509 stvp
->result_to_output
,
510 &stvp
->tgsi
.stream_output
);
512 free_glsl_to_tgsi_visitor(stvp
->glsl_to_tgsi
);
514 error
= st_translate_mesa_program(st
->ctx
,
521 NULL
, /* input semantic name */
522 NULL
, /* input semantic index */
526 stvp
->result_to_output
,
527 output_semantic_name
,
528 output_semantic_index
);
531 debug_printf("%s: failed to translate Mesa program:\n", __func__
);
532 _mesa_print_program(&stvp
->Base
);
537 stvp
->tgsi
.tokens
= ureg_get_tokens(ureg
, &stvp
->num_tgsi_tokens
);
540 if (stvp
->glsl_to_tgsi
) {
541 stvp
->glsl_to_tgsi
= NULL
;
542 st_store_tgsi_in_disk_cache(st
, &stvp
->Base
);
545 return stvp
->tgsi
.tokens
!= NULL
;
548 static struct st_vp_variant
*
549 st_create_vp_variant(struct st_context
*st
,
550 struct st_vertex_program
*stvp
,
551 const struct st_vp_variant_key
*key
)
553 struct st_vp_variant
*vpv
= CALLOC_STRUCT(st_vp_variant
);
554 struct pipe_context
*pipe
= st
->pipe
;
557 vpv
->tgsi
.stream_output
= stvp
->tgsi
.stream_output
;
558 vpv
->num_inputs
= stvp
->num_inputs
;
560 if (stvp
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
561 vpv
->tgsi
.type
= PIPE_SHADER_IR_NIR
;
562 vpv
->tgsi
.ir
.nir
= nir_shader_clone(NULL
, stvp
->tgsi
.ir
.nir
);
563 if (key
->clamp_color
)
564 NIR_PASS_V(vpv
->tgsi
.ir
.nir
, nir_lower_clamp_color_outputs
);
565 if (key
->passthrough_edgeflags
) {
566 NIR_PASS_V(vpv
->tgsi
.ir
.nir
, nir_lower_passthrough_edgeflags
);
570 st_finalize_nir(st
, &stvp
->Base
, stvp
->shader_program
,
573 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
574 /* driver takes ownership of IR: */
575 vpv
->tgsi
.ir
.nir
= NULL
;
579 vpv
->tgsi
.tokens
= tgsi_dup_tokens(stvp
->tgsi
.tokens
);
581 /* Emulate features. */
582 if (key
->clamp_color
|| key
->passthrough_edgeflags
) {
583 const struct tgsi_token
*tokens
;
585 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
586 (key
->passthrough_edgeflags
? TGSI_EMU_PASSTHROUGH_EDGEFLAG
: 0);
588 tokens
= tgsi_emulate(vpv
->tgsi
.tokens
, flags
);
591 tgsi_free_tokens(vpv
->tgsi
.tokens
);
592 vpv
->tgsi
.tokens
= tokens
;
594 if (key
->passthrough_edgeflags
)
597 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
600 if (ST_DEBUG
& DEBUG_TGSI
) {
601 tgsi_dump(vpv
->tgsi
.tokens
, 0);
605 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
611 * Find/create a vertex program variant.
613 struct st_vp_variant
*
614 st_get_vp_variant(struct st_context
*st
,
615 struct st_vertex_program
*stvp
,
616 const struct st_vp_variant_key
*key
)
618 struct st_vp_variant
*vpv
;
620 /* Search for existing variant */
621 for (vpv
= stvp
->variants
; vpv
; vpv
= vpv
->next
) {
622 if (memcmp(&vpv
->key
, key
, sizeof(*key
)) == 0) {
629 vpv
= st_create_vp_variant(st
, stvp
, key
);
631 /* insert into list */
632 vpv
->next
= stvp
->variants
;
633 stvp
->variants
= vpv
;
642 * Translate a Mesa fragment shader into a TGSI shader.
645 st_translate_fragment_program(struct st_context
*st
,
646 struct st_fragment_program
*stfp
)
648 ubyte outputMapping
[2 * FRAG_RESULT_MAX
];
649 ubyte inputMapping
[VARYING_SLOT_MAX
];
650 ubyte inputSlotToAttr
[VARYING_SLOT_MAX
];
651 ubyte interpMode
[PIPE_MAX_SHADER_INPUTS
]; /* XXX size? */
653 GLbitfield64 inputsRead
;
654 struct ureg_program
*ureg
;
656 GLboolean write_all
= GL_FALSE
;
658 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
659 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
660 uint fs_num_inputs
= 0;
662 ubyte fs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
663 ubyte fs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
664 uint fs_num_outputs
= 0;
666 memset(inputSlotToAttr
, ~0, sizeof(inputSlotToAttr
));
668 /* Non-GLSL programs: */
669 if (!stfp
->glsl_to_tgsi
&& !stfp
->shader_program
) {
670 _mesa_remove_output_reads(&stfp
->Base
, PROGRAM_OUTPUT
);
671 if (st
->ctx
->Const
.GLSLFragCoordIsSysVal
)
672 _mesa_program_fragment_position_to_sysval(&stfp
->Base
);
674 /* This determines which states will be updated when the assembly
677 * fragment.position and glDrawPixels always use constants.
679 stfp
->affected_states
= ST_NEW_FS_STATE
|
680 ST_NEW_SAMPLE_SHADING
|
684 /* Just set them for ATI_fs unconditionally. */
685 stfp
->affected_states
|= ST_NEW_FS_SAMPLER_VIEWS
|
689 if (stfp
->Base
.SamplersUsed
)
690 stfp
->affected_states
|= ST_NEW_FS_SAMPLER_VIEWS
|
696 * Convert Mesa program inputs to TGSI input register semantics.
698 inputsRead
= stfp
->Base
.info
.inputs_read
;
699 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
700 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
701 const GLuint slot
= fs_num_inputs
++;
703 inputMapping
[attr
] = slot
;
704 inputSlotToAttr
[slot
] = attr
;
707 case VARYING_SLOT_POS
:
708 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
709 input_semantic_index
[slot
] = 0;
710 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
712 case VARYING_SLOT_COL0
:
713 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
714 input_semantic_index
[slot
] = 0;
715 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
716 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_COLOR
;
718 case VARYING_SLOT_COL1
:
719 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
720 input_semantic_index
[slot
] = 1;
721 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
722 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_COLOR
;
724 case VARYING_SLOT_FOGC
:
725 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
726 input_semantic_index
[slot
] = 0;
727 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
729 case VARYING_SLOT_FACE
:
730 input_semantic_name
[slot
] = TGSI_SEMANTIC_FACE
;
731 input_semantic_index
[slot
] = 0;
732 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
734 case VARYING_SLOT_PRIMITIVE_ID
:
735 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
736 input_semantic_index
[slot
] = 0;
737 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
739 case VARYING_SLOT_LAYER
:
740 input_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
741 input_semantic_index
[slot
] = 0;
742 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
744 case VARYING_SLOT_VIEWPORT
:
745 input_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
746 input_semantic_index
[slot
] = 0;
747 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
749 case VARYING_SLOT_CLIP_DIST0
:
750 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
751 input_semantic_index
[slot
] = 0;
752 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
754 case VARYING_SLOT_CLIP_DIST1
:
755 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
756 input_semantic_index
[slot
] = 1;
757 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
759 case VARYING_SLOT_CULL_DIST0
:
760 case VARYING_SLOT_CULL_DIST1
:
761 /* these should have been lowered by GLSL */
764 /* In most cases, there is nothing special about these
765 * inputs, so adopt a convention to use the generic
766 * semantic name and the mesa VARYING_SLOT_ number as the
769 * All that is required is that the vertex shader labels
770 * its own outputs similarly, and that the vertex shader
771 * generates at least every output required by the
772 * fragment shader plus fixed-function hardware (such as
775 * However, some drivers may need us to identify the PNTC and TEXi
776 * varyings if, for example, their capability to replace them with
777 * sprite coordinates is limited.
779 case VARYING_SLOT_PNTC
:
780 if (st
->needs_texcoord_semantic
) {
781 input_semantic_name
[slot
] = TGSI_SEMANTIC_PCOORD
;
782 input_semantic_index
[slot
] = 0;
783 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
787 case VARYING_SLOT_TEX0
:
788 case VARYING_SLOT_TEX1
:
789 case VARYING_SLOT_TEX2
:
790 case VARYING_SLOT_TEX3
:
791 case VARYING_SLOT_TEX4
:
792 case VARYING_SLOT_TEX5
:
793 case VARYING_SLOT_TEX6
:
794 case VARYING_SLOT_TEX7
:
795 if (st
->needs_texcoord_semantic
) {
796 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
797 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
798 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
799 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_PERSPECTIVE
;
803 case VARYING_SLOT_VAR0
:
805 /* Semantic indices should be zero-based because drivers may choose
806 * to assign a fixed slot determined by that index.
807 * This is useful because ARB_separate_shader_objects uses location
808 * qualifiers for linkage, and if the semantic index corresponds to
809 * these locations, linkage passes in the driver become unecessary.
811 * If needs_texcoord_semantic is true, no semantic indices will be
812 * consumed for the TEXi varyings, and we can base the locations of
813 * the user varyings on VAR0. Otherwise, we use TEX0 as base index.
815 assert(attr
>= VARYING_SLOT_VAR0
|| attr
== VARYING_SLOT_PNTC
||
816 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
817 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
818 input_semantic_index
[slot
] = st_get_generic_varying_index(st
, attr
);
819 if (attr
== VARYING_SLOT_PNTC
)
820 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
822 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
823 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_PERSPECTIVE
;
829 inputMapping
[attr
] = -1;
834 * Semantics and mapping for outputs
836 GLbitfield64 outputsWritten
= stfp
->Base
.info
.outputs_written
;
838 /* if z is written, emit that first */
839 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
840 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_POSITION
;
841 fs_output_semantic_index
[fs_num_outputs
] = 0;
842 outputMapping
[FRAG_RESULT_DEPTH
] = fs_num_outputs
;
844 outputsWritten
&= ~(1 << FRAG_RESULT_DEPTH
);
847 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_STENCIL
)) {
848 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_STENCIL
;
849 fs_output_semantic_index
[fs_num_outputs
] = 0;
850 outputMapping
[FRAG_RESULT_STENCIL
] = fs_num_outputs
;
852 outputsWritten
&= ~(1 << FRAG_RESULT_STENCIL
);
855 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK
)) {
856 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_SAMPLEMASK
;
857 fs_output_semantic_index
[fs_num_outputs
] = 0;
858 outputMapping
[FRAG_RESULT_SAMPLE_MASK
] = fs_num_outputs
;
860 outputsWritten
&= ~(1 << FRAG_RESULT_SAMPLE_MASK
);
863 /* handle remaining outputs (color) */
864 for (attr
= 0; attr
< ARRAY_SIZE(outputMapping
); attr
++) {
865 const GLbitfield64 written
= attr
< FRAG_RESULT_MAX
? outputsWritten
:
866 stfp
->Base
.SecondaryOutputsWritten
;
867 const unsigned loc
= attr
% FRAG_RESULT_MAX
;
869 if (written
& BITFIELD64_BIT(loc
)) {
871 case FRAG_RESULT_DEPTH
:
872 case FRAG_RESULT_STENCIL
:
873 case FRAG_RESULT_SAMPLE_MASK
:
877 case FRAG_RESULT_COLOR
:
878 write_all
= GL_TRUE
; /* fallthrough */
881 assert(loc
== FRAG_RESULT_COLOR
||
882 (FRAG_RESULT_DATA0
<= loc
&& loc
< FRAG_RESULT_MAX
));
884 index
= (loc
== FRAG_RESULT_COLOR
) ? 0 : (loc
- FRAG_RESULT_DATA0
);
886 if (attr
>= FRAG_RESULT_MAX
) {
887 /* Secondary color for dual source blending. */
892 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_COLOR
;
893 fs_output_semantic_index
[fs_num_outputs
] = index
;
894 outputMapping
[attr
] = fs_num_outputs
;
903 /* We have already compiler to NIR so just return */
904 if (stfp
->shader_program
)
907 ureg
= ureg_create_with_screen(PIPE_SHADER_FRAGMENT
, st
->pipe
->screen
);
911 if (ST_DEBUG
& DEBUG_MESA
) {
912 _mesa_print_program(&stfp
->Base
);
913 _mesa_print_program_parameters(st
->ctx
, &stfp
->Base
);
916 if (write_all
== GL_TRUE
)
917 ureg_property(ureg
, TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS
, 1);
919 if (stfp
->Base
.info
.fs
.depth_layout
!= FRAG_DEPTH_LAYOUT_NONE
) {
920 switch (stfp
->Base
.info
.fs
.depth_layout
) {
921 case FRAG_DEPTH_LAYOUT_ANY
:
922 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
923 TGSI_FS_DEPTH_LAYOUT_ANY
);
925 case FRAG_DEPTH_LAYOUT_GREATER
:
926 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
927 TGSI_FS_DEPTH_LAYOUT_GREATER
);
929 case FRAG_DEPTH_LAYOUT_LESS
:
930 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
931 TGSI_FS_DEPTH_LAYOUT_LESS
);
933 case FRAG_DEPTH_LAYOUT_UNCHANGED
:
934 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
935 TGSI_FS_DEPTH_LAYOUT_UNCHANGED
);
942 if (stfp
->glsl_to_tgsi
) {
943 st_translate_program(st
->ctx
,
944 PIPE_SHADER_FRAGMENT
,
953 input_semantic_index
,
958 fs_output_semantic_name
,
959 fs_output_semantic_index
);
961 free_glsl_to_tgsi_visitor(stfp
->glsl_to_tgsi
);
962 } else if (stfp
->ati_fs
)
963 st_translate_atifs_program(ureg
,
970 input_semantic_index
,
975 fs_output_semantic_name
,
976 fs_output_semantic_index
);
978 st_translate_mesa_program(st
->ctx
,
979 PIPE_SHADER_FRAGMENT
,
986 input_semantic_index
,
991 fs_output_semantic_name
,
992 fs_output_semantic_index
);
994 stfp
->tgsi
.tokens
= ureg_get_tokens(ureg
, &stfp
->num_tgsi_tokens
);
997 if (stfp
->glsl_to_tgsi
) {
998 stfp
->glsl_to_tgsi
= NULL
;
999 st_store_tgsi_in_disk_cache(st
, &stfp
->Base
);
1002 return stfp
->tgsi
.tokens
!= NULL
;
1005 static struct st_fp_variant
*
1006 st_create_fp_variant(struct st_context
*st
,
1007 struct st_fragment_program
*stfp
,
1008 const struct st_fp_variant_key
*key
)
1010 struct pipe_context
*pipe
= st
->pipe
;
1011 struct st_fp_variant
*variant
= CALLOC_STRUCT(st_fp_variant
);
1012 struct pipe_shader_state tgsi
= {0};
1013 struct gl_program_parameter_list
*params
= stfp
->Base
.Parameters
;
1014 static const gl_state_index texcoord_state
[STATE_LENGTH
] =
1015 { STATE_INTERNAL
, STATE_CURRENT_ATTRIB
, VERT_ATTRIB_TEX0
};
1016 static const gl_state_index scale_state
[STATE_LENGTH
] =
1017 { STATE_INTERNAL
, STATE_PT_SCALE
};
1018 static const gl_state_index bias_state
[STATE_LENGTH
] =
1019 { STATE_INTERNAL
, STATE_PT_BIAS
};
1024 if (stfp
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
1025 tgsi
.type
= PIPE_SHADER_IR_NIR
;
1026 tgsi
.ir
.nir
= nir_shader_clone(NULL
, stfp
->tgsi
.ir
.nir
);
1028 if (key
->clamp_color
)
1029 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_clamp_color_outputs
);
1031 if (key
->persample_shading
) {
1032 nir_shader
*shader
= tgsi
.ir
.nir
;
1033 nir_foreach_variable(var
, &shader
->inputs
)
1034 var
->data
.sample
= true;
1037 assert(!(key
->bitmap
&& key
->drawpixels
));
1041 nir_lower_bitmap_options options
= {0};
1043 variant
->bitmap_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1044 options
.sampler
= variant
->bitmap_sampler
;
1045 options
.swizzle_xxxx
= (st
->bitmap
.tex_format
== PIPE_FORMAT_L8_UNORM
);
1047 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_bitmap
, &options
);
1050 /* glDrawPixels (color only) */
1051 if (key
->drawpixels
) {
1052 nir_lower_drawpixels_options options
= {{0}};
1053 unsigned samplers_used
= stfp
->Base
.SamplersUsed
;
1055 /* Find the first unused slot. */
1056 variant
->drawpix_sampler
= ffs(~samplers_used
) - 1;
1057 options
.drawpix_sampler
= variant
->drawpix_sampler
;
1058 samplers_used
|= (1 << variant
->drawpix_sampler
);
1060 options
.pixel_maps
= key
->pixelMaps
;
1061 if (key
->pixelMaps
) {
1062 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
1063 options
.pixelmap_sampler
= variant
->pixelmap_sampler
;
1066 options
.scale_and_bias
= key
->scaleAndBias
;
1067 if (key
->scaleAndBias
) {
1068 _mesa_add_state_reference(params
, scale_state
);
1069 memcpy(options
.scale_state_tokens
, scale_state
,
1070 sizeof(options
.scale_state_tokens
));
1071 _mesa_add_state_reference(params
, bias_state
);
1072 memcpy(options
.bias_state_tokens
, bias_state
,
1073 sizeof(options
.bias_state_tokens
));
1076 _mesa_add_state_reference(params
, texcoord_state
);
1077 memcpy(options
.texcoord_state_tokens
, texcoord_state
,
1078 sizeof(options
.texcoord_state_tokens
));
1080 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_drawpixels
, &options
);
1083 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1084 nir_lower_tex_options options
= {0};
1085 options
.lower_y_uv_external
= key
->external
.lower_nv12
;
1086 options
.lower_y_u_v_external
= key
->external
.lower_iyuv
;
1087 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_tex
, &options
);
1090 st_finalize_nir(st
, &stfp
->Base
, stfp
->shader_program
, tgsi
.ir
.nir
);
1092 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1093 /* This pass needs to happen *after* nir_lower_sampler */
1094 NIR_PASS_V(tgsi
.ir
.nir
, st_nir_lower_tex_src_plane
,
1095 ~stfp
->Base
.SamplersUsed
,
1096 key
->external
.lower_nv12
,
1097 key
->external
.lower_iyuv
);
1100 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
1101 variant
->key
= *key
;
1106 tgsi
.tokens
= stfp
->tgsi
.tokens
;
1108 assert(!(key
->bitmap
&& key
->drawpixels
));
1110 /* Fix texture targets and add fog for ATI_fs */
1112 const struct tgsi_token
*tokens
= st_fixup_atifs(tgsi
.tokens
, key
);
1115 tgsi
.tokens
= tokens
;
1117 fprintf(stderr
, "mesa: cannot post-process ATI_fs\n");
1120 /* Emulate features. */
1121 if (key
->clamp_color
|| key
->persample_shading
) {
1122 const struct tgsi_token
*tokens
;
1124 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
1125 (key
->persample_shading
? TGSI_EMU_FORCE_PERSAMPLE_INTERP
: 0);
1127 tokens
= tgsi_emulate(tgsi
.tokens
, flags
);
1130 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1131 tgsi_free_tokens(tgsi
.tokens
);
1132 tgsi
.tokens
= tokens
;
1134 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
1139 const struct tgsi_token
*tokens
;
1141 variant
->bitmap_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1143 tokens
= st_get_bitmap_shader(tgsi
.tokens
,
1144 st
->internal_target
,
1145 variant
->bitmap_sampler
,
1146 st
->needs_texcoord_semantic
,
1147 st
->bitmap
.tex_format
==
1148 PIPE_FORMAT_L8_UNORM
);
1151 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1152 tgsi_free_tokens(tgsi
.tokens
);
1153 tgsi
.tokens
= tokens
;
1155 fprintf(stderr
, "mesa: cannot create a shader for glBitmap\n");
1158 /* glDrawPixels (color only) */
1159 if (key
->drawpixels
) {
1160 const struct tgsi_token
*tokens
;
1161 unsigned scale_const
= 0, bias_const
= 0, texcoord_const
= 0;
1163 /* Find the first unused slot. */
1164 variant
->drawpix_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1166 if (key
->pixelMaps
) {
1167 unsigned samplers_used
= stfp
->Base
.SamplersUsed
|
1168 (1 << variant
->drawpix_sampler
);
1170 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
1173 if (key
->scaleAndBias
) {
1174 scale_const
= _mesa_add_state_reference(params
, scale_state
);
1175 bias_const
= _mesa_add_state_reference(params
, bias_state
);
1178 texcoord_const
= _mesa_add_state_reference(params
, texcoord_state
);
1180 tokens
= st_get_drawpix_shader(tgsi
.tokens
,
1181 st
->needs_texcoord_semantic
,
1182 key
->scaleAndBias
, scale_const
,
1183 bias_const
, key
->pixelMaps
,
1184 variant
->drawpix_sampler
,
1185 variant
->pixelmap_sampler
,
1186 texcoord_const
, st
->internal_target
);
1189 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1190 tgsi_free_tokens(tgsi
.tokens
);
1191 tgsi
.tokens
= tokens
;
1193 fprintf(stderr
, "mesa: cannot create a shader for glDrawPixels\n");
1196 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1197 const struct tgsi_token
*tokens
;
1199 /* samplers inserted would conflict, but this should be unpossible: */
1200 assert(!(key
->bitmap
|| key
->drawpixels
));
1202 tokens
= st_tgsi_lower_yuv(tgsi
.tokens
,
1203 ~stfp
->Base
.SamplersUsed
,
1204 key
->external
.lower_nv12
,
1205 key
->external
.lower_iyuv
);
1207 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1208 tgsi_free_tokens(tgsi
.tokens
);
1209 tgsi
.tokens
= tokens
;
1211 fprintf(stderr
, "mesa: cannot create a shader for samplerExternalOES\n");
1215 if (ST_DEBUG
& DEBUG_TGSI
) {
1216 tgsi_dump(tgsi
.tokens
, 0);
1220 /* fill in variant */
1221 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
1222 variant
->key
= *key
;
1224 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1225 tgsi_free_tokens(tgsi
.tokens
);
1230 * Translate fragment program if needed.
1232 struct st_fp_variant
*
1233 st_get_fp_variant(struct st_context
*st
,
1234 struct st_fragment_program
*stfp
,
1235 const struct st_fp_variant_key
*key
)
1237 struct st_fp_variant
*fpv
;
1239 /* Search for existing variant */
1240 for (fpv
= stfp
->variants
; fpv
; fpv
= fpv
->next
) {
1241 if (memcmp(&fpv
->key
, key
, sizeof(*key
)) == 0) {
1248 fpv
= st_create_fp_variant(st
, stfp
, key
);
1250 if (key
->bitmap
|| key
->drawpixels
) {
1251 /* Regular variants should always come before the
1252 * bitmap & drawpixels variants, (unless there
1253 * are no regular variants) so that
1254 * st_update_fp can take a fast path when
1255 * shader_has_one_variant is set.
1257 if (!stfp
->variants
) {
1258 stfp
->variants
= fpv
;
1260 /* insert into list after the first one */
1261 fpv
->next
= stfp
->variants
->next
;
1262 stfp
->variants
->next
= fpv
;
1265 /* insert into list */
1266 fpv
->next
= stfp
->variants
;
1267 stfp
->variants
= fpv
;
1277 * Translate a program. This is common code for geometry and tessellation
1281 st_translate_program_common(struct st_context
*st
,
1282 struct gl_program
*prog
,
1283 struct glsl_to_tgsi_visitor
*glsl_to_tgsi
,
1284 struct ureg_program
*ureg
,
1285 unsigned tgsi_processor
,
1286 struct pipe_shader_state
*out_state
)
1288 ubyte inputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
1289 ubyte inputMapping
[VARYING_SLOT_TESS_MAX
];
1290 ubyte outputMapping
[VARYING_SLOT_TESS_MAX
];
1293 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
1294 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
1295 uint num_inputs
= 0;
1297 ubyte output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
1298 ubyte output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
1299 uint num_outputs
= 0;
1303 memset(inputSlotToAttr
, 0, sizeof(inputSlotToAttr
));
1304 memset(inputMapping
, 0, sizeof(inputMapping
));
1305 memset(outputMapping
, 0, sizeof(outputMapping
));
1306 memset(out_state
, 0, sizeof(*out_state
));
1308 if (prog
->info
.clip_distance_array_size
)
1309 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
1310 prog
->info
.clip_distance_array_size
);
1311 if (prog
->info
.cull_distance_array_size
)
1312 ureg_property(ureg
, TGSI_PROPERTY_NUM_CULLDIST_ENABLED
,
1313 prog
->info
.cull_distance_array_size
);
1316 * Convert Mesa program inputs to TGSI input register semantics.
1318 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1319 if ((prog
->info
.inputs_read
& BITFIELD64_BIT(attr
)) == 0)
1322 unsigned slot
= num_inputs
++;
1324 inputMapping
[attr
] = slot
;
1325 inputSlotToAttr
[slot
] = attr
;
1327 unsigned semantic_name
, semantic_index
;
1328 tgsi_get_gl_varying_semantic(attr
, st
->needs_texcoord_semantic
,
1329 &semantic_name
, &semantic_index
);
1330 input_semantic_name
[slot
] = semantic_name
;
1331 input_semantic_index
[slot
] = semantic_index
;
1334 /* Also add patch inputs. */
1335 for (attr
= 0; attr
< 32; attr
++) {
1336 if (prog
->info
.patch_inputs_read
& (1u << attr
)) {
1337 GLuint slot
= num_inputs
++;
1338 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1340 inputMapping
[patch_attr
] = slot
;
1341 inputSlotToAttr
[slot
] = patch_attr
;
1342 input_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1343 input_semantic_index
[slot
] = attr
;
1347 /* initialize output semantics to defaults */
1348 for (i
= 0; i
< PIPE_MAX_SHADER_OUTPUTS
; i
++) {
1349 output_semantic_name
[i
] = TGSI_SEMANTIC_GENERIC
;
1350 output_semantic_index
[i
] = 0;
1354 * Determine number of outputs, the (default) output register
1355 * mapping and the semantic information for each output.
1357 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1358 if (prog
->info
.outputs_written
& BITFIELD64_BIT(attr
)) {
1359 GLuint slot
= num_outputs
++;
1361 outputMapping
[attr
] = slot
;
1363 unsigned semantic_name
, semantic_index
;
1364 tgsi_get_gl_varying_semantic(attr
, st
->needs_texcoord_semantic
,
1365 &semantic_name
, &semantic_index
);
1366 output_semantic_name
[slot
] = semantic_name
;
1367 output_semantic_index
[slot
] = semantic_index
;
1371 /* Also add patch outputs. */
1372 for (attr
= 0; attr
< 32; attr
++) {
1373 if (prog
->info
.patch_outputs_written
& (1u << attr
)) {
1374 GLuint slot
= num_outputs
++;
1375 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1377 outputMapping
[patch_attr
] = slot
;
1378 output_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1379 output_semantic_index
[slot
] = attr
;
1383 st_translate_program(st
->ctx
,
1392 input_semantic_name
,
1393 input_semantic_index
,
1398 output_semantic_name
,
1399 output_semantic_index
);
1401 if (tgsi_processor
== PIPE_SHADER_COMPUTE
) {
1402 struct st_compute_program
*stcp
= (struct st_compute_program
*) prog
;
1403 out_state
->tokens
= ureg_get_tokens(ureg
, &stcp
->num_tgsi_tokens
);
1404 stcp
->tgsi
.prog
= out_state
->tokens
;
1406 struct st_common_program
*stcp
= (struct st_common_program
*) prog
;
1407 out_state
->tokens
= ureg_get_tokens(ureg
, &stcp
->num_tgsi_tokens
);
1411 st_translate_stream_output_info(glsl_to_tgsi
,
1413 &out_state
->stream_output
);
1415 st_store_tgsi_in_disk_cache(st
, prog
);
1417 if ((ST_DEBUG
& DEBUG_TGSI
) && (ST_DEBUG
& DEBUG_MESA
)) {
1418 _mesa_print_program(prog
);
1422 if (ST_DEBUG
& DEBUG_TGSI
) {
1423 tgsi_dump(out_state
->tokens
, 0);
1429 * Update stream-output info for GS/TCS/TES. Normally this is done in
1430 * st_translate_program_common() but that is not called for glsl_to_nir
1434 st_translate_program_stream_output(struct gl_program
*prog
,
1435 struct pipe_stream_output_info
*stream_output
)
1437 if (!prog
->sh
.LinkedTransformFeedback
)
1440 ubyte outputMapping
[VARYING_SLOT_TESS_MAX
];
1442 uint num_outputs
= 0;
1444 memset(outputMapping
, 0, sizeof(outputMapping
));
1447 * Determine number of outputs, the (default) output register
1448 * mapping and the semantic information for each output.
1450 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1451 if (prog
->info
.outputs_written
& BITFIELD64_BIT(attr
)) {
1452 GLuint slot
= num_outputs
++;
1454 outputMapping
[attr
] = slot
;
1458 st_translate_stream_output_info2(prog
->sh
.LinkedTransformFeedback
,
1464 * Translate a geometry program to create a new variant.
1467 st_translate_geometry_program(struct st_context
*st
,
1468 struct st_common_program
*stgp
)
1470 struct ureg_program
*ureg
;
1472 /* We have already compiled to NIR so just return */
1473 if (stgp
->shader_program
) {
1474 st_translate_program_stream_output(&stgp
->Base
, &stgp
->tgsi
.stream_output
);
1478 ureg
= ureg_create_with_screen(PIPE_SHADER_GEOMETRY
, st
->pipe
->screen
);
1482 ureg_property(ureg
, TGSI_PROPERTY_GS_INPUT_PRIM
,
1483 stgp
->Base
.info
.gs
.input_primitive
);
1484 ureg_property(ureg
, TGSI_PROPERTY_GS_OUTPUT_PRIM
,
1485 stgp
->Base
.info
.gs
.output_primitive
);
1486 ureg_property(ureg
, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES
,
1487 stgp
->Base
.info
.gs
.vertices_out
);
1488 ureg_property(ureg
, TGSI_PROPERTY_GS_INVOCATIONS
,
1489 stgp
->Base
.info
.gs
.invocations
);
1491 st_translate_program_common(st
, &stgp
->Base
, stgp
->glsl_to_tgsi
, ureg
,
1492 PIPE_SHADER_GEOMETRY
, &stgp
->tgsi
);
1494 free_glsl_to_tgsi_visitor(stgp
->glsl_to_tgsi
);
1495 stgp
->glsl_to_tgsi
= NULL
;
1501 * Get/create a basic program variant.
1503 struct st_basic_variant
*
1504 st_get_basic_variant(struct st_context
*st
,
1505 unsigned pipe_shader
,
1506 struct st_common_program
*prog
)
1508 struct pipe_context
*pipe
= st
->pipe
;
1509 struct st_basic_variant
*v
;
1510 struct st_basic_variant_key key
;
1511 struct pipe_shader_state tgsi
= {0};
1512 memset(&key
, 0, sizeof(key
));
1513 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1515 /* Search for existing variant */
1516 for (v
= prog
->variants
; v
; v
= v
->next
) {
1517 if (memcmp(&v
->key
, &key
, sizeof(key
)) == 0) {
1524 v
= CALLOC_STRUCT(st_basic_variant
);
1527 if (prog
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
1528 tgsi
.type
= PIPE_SHADER_IR_NIR
;
1529 tgsi
.ir
.nir
= nir_shader_clone(NULL
, prog
->tgsi
.ir
.nir
);
1530 st_finalize_nir(st
, &prog
->Base
, prog
->shader_program
,
1532 tgsi
.stream_output
= prog
->tgsi
.stream_output
;
1535 /* fill in new variant */
1536 switch (pipe_shader
) {
1537 case PIPE_SHADER_TESS_CTRL
:
1538 v
->driver_shader
= pipe
->create_tcs_state(pipe
, &tgsi
);
1540 case PIPE_SHADER_TESS_EVAL
:
1541 v
->driver_shader
= pipe
->create_tes_state(pipe
, &tgsi
);
1543 case PIPE_SHADER_GEOMETRY
:
1544 v
->driver_shader
= pipe
->create_gs_state(pipe
, &tgsi
);
1547 assert(!"unhandled shader type");
1554 /* insert into list */
1555 v
->next
= prog
->variants
;
1565 * Translate a tessellation control program to create a new variant.
1568 st_translate_tessctrl_program(struct st_context
*st
,
1569 struct st_common_program
*sttcp
)
1571 struct ureg_program
*ureg
;
1573 /* We have already compiled to NIR so just return */
1574 if (sttcp
->shader_program
)
1577 ureg
= ureg_create_with_screen(PIPE_SHADER_TESS_CTRL
, st
->pipe
->screen
);
1581 ureg_property(ureg
, TGSI_PROPERTY_TCS_VERTICES_OUT
,
1582 sttcp
->Base
.info
.tess
.tcs_vertices_out
);
1584 st_translate_program_common(st
, &sttcp
->Base
, sttcp
->glsl_to_tgsi
, ureg
,
1585 PIPE_SHADER_TESS_CTRL
, &sttcp
->tgsi
);
1587 free_glsl_to_tgsi_visitor(sttcp
->glsl_to_tgsi
);
1588 sttcp
->glsl_to_tgsi
= NULL
;
1594 * Translate a tessellation evaluation program to create a new variant.
1597 st_translate_tesseval_program(struct st_context
*st
,
1598 struct st_common_program
*sttep
)
1600 struct ureg_program
*ureg
;
1602 /* We have already compiled to NIR so just return */
1603 if (sttep
->shader_program
) {
1604 st_translate_program_stream_output(&sttep
->Base
, &sttep
->tgsi
.stream_output
);
1608 ureg
= ureg_create_with_screen(PIPE_SHADER_TESS_EVAL
, st
->pipe
->screen
);
1612 if (sttep
->Base
.info
.tess
.primitive_mode
== GL_ISOLINES
)
1613 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, GL_LINES
);
1615 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
,
1616 sttep
->Base
.info
.tess
.primitive_mode
);
1618 STATIC_ASSERT((TESS_SPACING_EQUAL
+ 1) % 3 == PIPE_TESS_SPACING_EQUAL
);
1619 STATIC_ASSERT((TESS_SPACING_FRACTIONAL_ODD
+ 1) % 3 ==
1620 PIPE_TESS_SPACING_FRACTIONAL_ODD
);
1621 STATIC_ASSERT((TESS_SPACING_FRACTIONAL_EVEN
+ 1) % 3 ==
1622 PIPE_TESS_SPACING_FRACTIONAL_EVEN
);
1624 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1625 (sttep
->Base
.info
.tess
.spacing
+ 1) % 3);
1627 ureg_property(ureg
, TGSI_PROPERTY_TES_VERTEX_ORDER_CW
,
1628 !sttep
->Base
.info
.tess
.ccw
);
1629 ureg_property(ureg
, TGSI_PROPERTY_TES_POINT_MODE
,
1630 sttep
->Base
.info
.tess
.point_mode
);
1632 st_translate_program_common(st
, &sttep
->Base
, sttep
->glsl_to_tgsi
,
1633 ureg
, PIPE_SHADER_TESS_EVAL
, &sttep
->tgsi
);
1635 free_glsl_to_tgsi_visitor(sttep
->glsl_to_tgsi
);
1636 sttep
->glsl_to_tgsi
= NULL
;
1642 * Translate a compute program to create a new variant.
1645 st_translate_compute_program(struct st_context
*st
,
1646 struct st_compute_program
*stcp
)
1648 struct ureg_program
*ureg
;
1649 struct pipe_shader_state prog
;
1651 if (stcp
->shader_program
) {
1652 /* no compute variants: */
1653 st_finalize_nir(st
, &stcp
->Base
, stcp
->shader_program
,
1654 (struct nir_shader
*) stcp
->tgsi
.prog
);
1659 ureg
= ureg_create_with_screen(PIPE_SHADER_COMPUTE
, st
->pipe
->screen
);
1663 st_translate_program_common(st
, &stcp
->Base
, stcp
->glsl_to_tgsi
, ureg
,
1664 PIPE_SHADER_COMPUTE
, &prog
);
1666 stcp
->tgsi
.ir_type
= PIPE_SHADER_IR_TGSI
;
1667 stcp
->tgsi
.req_local_mem
= stcp
->Base
.info
.cs
.shared_size
;
1668 stcp
->tgsi
.req_private_mem
= 0;
1669 stcp
->tgsi
.req_input_mem
= 0;
1671 free_glsl_to_tgsi_visitor(stcp
->glsl_to_tgsi
);
1672 stcp
->glsl_to_tgsi
= NULL
;
1678 * Get/create compute program variant.
1680 struct st_basic_variant
*
1681 st_get_cp_variant(struct st_context
*st
,
1682 struct pipe_compute_state
*tgsi
,
1683 struct st_basic_variant
**variants
)
1685 struct pipe_context
*pipe
= st
->pipe
;
1686 struct st_basic_variant
*v
;
1687 struct st_basic_variant_key key
;
1689 memset(&key
, 0, sizeof(key
));
1690 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1692 /* Search for existing variant */
1693 for (v
= *variants
; v
; v
= v
->next
) {
1694 if (memcmp(&v
->key
, &key
, sizeof(key
)) == 0) {
1701 v
= CALLOC_STRUCT(st_basic_variant
);
1703 /* fill in new variant */
1704 struct pipe_compute_state cs
= *tgsi
;
1705 if (tgsi
->ir_type
== PIPE_SHADER_IR_NIR
)
1706 cs
.prog
= nir_shader_clone(NULL
, tgsi
->prog
);
1707 v
->driver_shader
= pipe
->create_compute_state(pipe
, &cs
);
1710 /* insert into list */
1711 v
->next
= *variants
;
1721 * Vert/Geom/Frag programs have per-context variants. Free all the
1722 * variants attached to the given program which match the given context.
1725 destroy_program_variants(struct st_context
*st
, struct gl_program
*target
)
1727 if (!target
|| target
== &_mesa_DummyProgram
)
1730 switch (target
->Target
) {
1731 case GL_VERTEX_PROGRAM_ARB
:
1733 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) target
;
1734 struct st_vp_variant
*vpv
, **prevPtr
= &stvp
->variants
;
1736 for (vpv
= stvp
->variants
; vpv
; ) {
1737 struct st_vp_variant
*next
= vpv
->next
;
1738 if (vpv
->key
.st
== st
) {
1739 /* unlink from list */
1741 /* destroy this variant */
1742 delete_vp_variant(st
, vpv
);
1745 prevPtr
= &vpv
->next
;
1751 case GL_FRAGMENT_PROGRAM_ARB
:
1753 struct st_fragment_program
*stfp
=
1754 (struct st_fragment_program
*) target
;
1755 struct st_fp_variant
*fpv
, **prevPtr
= &stfp
->variants
;
1757 for (fpv
= stfp
->variants
; fpv
; ) {
1758 struct st_fp_variant
*next
= fpv
->next
;
1759 if (fpv
->key
.st
== st
) {
1760 /* unlink from list */
1762 /* destroy this variant */
1763 delete_fp_variant(st
, fpv
);
1766 prevPtr
= &fpv
->next
;
1772 case GL_GEOMETRY_PROGRAM_NV
:
1773 case GL_TESS_CONTROL_PROGRAM_NV
:
1774 case GL_TESS_EVALUATION_PROGRAM_NV
:
1775 case GL_COMPUTE_PROGRAM_NV
:
1777 struct st_common_program
*p
= st_common_program(target
);
1778 struct st_compute_program
*cp
= (struct st_compute_program
*)target
;
1779 struct st_basic_variant
**variants
=
1780 target
->Target
== GL_COMPUTE_PROGRAM_NV
? &cp
->variants
:
1782 struct st_basic_variant
*v
, **prevPtr
= variants
;
1784 for (v
= *variants
; v
; ) {
1785 struct st_basic_variant
*next
= v
->next
;
1786 if (v
->key
.st
== st
) {
1787 /* unlink from list */
1789 /* destroy this variant */
1790 delete_basic_variant(st
, v
, target
->Target
);
1800 _mesa_problem(NULL
, "Unexpected program target 0x%x in "
1801 "destroy_program_variants_cb()", target
->Target
);
1807 * Callback for _mesa_HashWalk. Free all the shader's program variants
1808 * which match the given context.
1811 destroy_shader_program_variants_cb(GLuint key
, void *data
, void *userData
)
1813 struct st_context
*st
= (struct st_context
*) userData
;
1814 struct gl_shader
*shader
= (struct gl_shader
*) data
;
1816 switch (shader
->Type
) {
1817 case GL_SHADER_PROGRAM_MESA
:
1819 struct gl_shader_program
*shProg
= (struct gl_shader_program
*) data
;
1822 for (i
= 0; i
< ARRAY_SIZE(shProg
->_LinkedShaders
); i
++) {
1823 if (shProg
->_LinkedShaders
[i
])
1824 destroy_program_variants(st
, shProg
->_LinkedShaders
[i
]->Program
);
1828 case GL_VERTEX_SHADER
:
1829 case GL_FRAGMENT_SHADER
:
1830 case GL_GEOMETRY_SHADER
:
1831 case GL_TESS_CONTROL_SHADER
:
1832 case GL_TESS_EVALUATION_SHADER
:
1833 case GL_COMPUTE_SHADER
:
1842 * Callback for _mesa_HashWalk. Free all the program variants which match
1843 * the given context.
1846 destroy_program_variants_cb(GLuint key
, void *data
, void *userData
)
1848 struct st_context
*st
= (struct st_context
*) userData
;
1849 struct gl_program
*program
= (struct gl_program
*) data
;
1850 destroy_program_variants(st
, program
);
1855 * Walk over all shaders and programs to delete any variants which
1856 * belong to the given context.
1857 * This is called during context tear-down.
1860 st_destroy_program_variants(struct st_context
*st
)
1862 /* If shaders can be shared with other contexts, the last context will
1863 * call DeleteProgram on all shaders, releasing everything.
1865 if (st
->has_shareable_shaders
)
1868 /* ARB vert/frag program */
1869 _mesa_HashWalk(st
->ctx
->Shared
->Programs
,
1870 destroy_program_variants_cb
, st
);
1872 /* GLSL vert/frag/geom shaders */
1873 _mesa_HashWalk(st
->ctx
->Shared
->ShaderObjects
,
1874 destroy_shader_program_variants_cb
, st
);
1879 * For debugging, print/dump the current vertex program.
1882 st_print_current_vertex_program(void)
1884 GET_CURRENT_CONTEXT(ctx
);
1886 if (ctx
->VertexProgram
._Current
) {
1887 struct st_vertex_program
*stvp
=
1888 (struct st_vertex_program
*) ctx
->VertexProgram
._Current
;
1889 struct st_vp_variant
*stv
;
1891 debug_printf("Vertex program %u\n", stvp
->Base
.Id
);
1893 for (stv
= stvp
->variants
; stv
; stv
= stv
->next
) {
1894 debug_printf("variant %p\n", stv
);
1895 tgsi_dump(stv
->tgsi
.tokens
, 0);
1902 * Compile one shader variant.
1905 st_precompile_shader_variant(struct st_context
*st
,
1906 struct gl_program
*prog
)
1908 switch (prog
->Target
) {
1909 case GL_VERTEX_PROGRAM_ARB
: {
1910 struct st_vertex_program
*p
= (struct st_vertex_program
*)prog
;
1911 struct st_vp_variant_key key
;
1913 memset(&key
, 0, sizeof(key
));
1914 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1915 st_get_vp_variant(st
, p
, &key
);
1919 case GL_TESS_CONTROL_PROGRAM_NV
: {
1920 struct st_common_program
*p
= st_common_program(prog
);
1921 st_get_basic_variant(st
, PIPE_SHADER_TESS_CTRL
, p
);
1925 case GL_TESS_EVALUATION_PROGRAM_NV
: {
1926 struct st_common_program
*p
= st_common_program(prog
);
1927 st_get_basic_variant(st
, PIPE_SHADER_TESS_EVAL
, p
);
1931 case GL_GEOMETRY_PROGRAM_NV
: {
1932 struct st_common_program
*p
= st_common_program(prog
);
1933 st_get_basic_variant(st
, PIPE_SHADER_GEOMETRY
, p
);
1937 case GL_FRAGMENT_PROGRAM_ARB
: {
1938 struct st_fragment_program
*p
= (struct st_fragment_program
*)prog
;
1939 struct st_fp_variant_key key
;
1941 memset(&key
, 0, sizeof(key
));
1942 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1943 st_get_fp_variant(st
, p
, &key
);
1947 case GL_COMPUTE_PROGRAM_NV
: {
1948 struct st_compute_program
*p
= (struct st_compute_program
*)prog
;
1949 st_get_cp_variant(st
, &p
->tgsi
, &p
->variants
);