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"
36 #include "main/hash.h"
37 #include "main/mtypes.h"
38 #include "program/prog_parameter.h"
39 #include "program/prog_print.h"
40 #include "program/prog_to_nir.h"
41 #include "program/programopt.h"
43 #include "compiler/nir/nir.h"
44 #include "compiler/nir/nir_serialize.h"
45 #include "draw/draw_context.h"
47 #include "pipe/p_context.h"
48 #include "pipe/p_defines.h"
49 #include "pipe/p_shader_tokens.h"
50 #include "draw/draw_context.h"
51 #include "tgsi/tgsi_dump.h"
52 #include "tgsi/tgsi_emulate.h"
53 #include "tgsi/tgsi_parse.h"
54 #include "tgsi/tgsi_ureg.h"
56 #include "util/u_memory.h"
59 #include "st_cb_bitmap.h"
60 #include "st_cb_drawpixels.h"
61 #include "st_context.h"
62 #include "st_tgsi_lower_depth_clamp.h"
63 #include "st_tgsi_lower_yuv.h"
64 #include "st_program.h"
65 #include "st_mesa_to_tgsi.h"
66 #include "st_atifs_to_tgsi.h"
68 #include "st_shader_cache.h"
70 #include "cso_cache/cso_context.h"
74 destroy_program_variants(struct st_context
*st
, struct gl_program
*target
);
77 set_affected_state_flags(uint64_t *states
,
78 struct gl_program
*prog
,
79 uint64_t new_constants
,
80 uint64_t new_sampler_views
,
81 uint64_t new_samplers
,
87 if (prog
->Parameters
->NumParameters
)
88 *states
|= new_constants
;
90 if (prog
->info
.num_textures
)
91 *states
|= new_sampler_views
| new_samplers
;
93 if (prog
->info
.num_images
)
94 *states
|= new_images
;
96 if (prog
->info
.num_ubos
)
99 if (prog
->info
.num_ssbos
)
100 *states
|= new_ssbos
;
102 if (prog
->info
.num_abos
)
103 *states
|= new_atomics
;
107 * This determines which states will be updated when the shader is bound.
110 st_set_prog_affected_state_flags(struct gl_program
*prog
)
114 switch (prog
->info
.stage
) {
115 case MESA_SHADER_VERTEX
:
116 states
= &((struct st_program
*)prog
)->affected_states
;
118 *states
= ST_NEW_VS_STATE
|
120 ST_NEW_VERTEX_ARRAYS
;
122 set_affected_state_flags(states
, prog
,
124 ST_NEW_VS_SAMPLER_VIEWS
,
132 case MESA_SHADER_TESS_CTRL
:
133 states
= &(st_program(prog
))->affected_states
;
135 *states
= ST_NEW_TCS_STATE
;
137 set_affected_state_flags(states
, prog
,
138 ST_NEW_TCS_CONSTANTS
,
139 ST_NEW_TCS_SAMPLER_VIEWS
,
147 case MESA_SHADER_TESS_EVAL
:
148 states
= &(st_program(prog
))->affected_states
;
150 *states
= ST_NEW_TES_STATE
|
153 set_affected_state_flags(states
, prog
,
154 ST_NEW_TES_CONSTANTS
,
155 ST_NEW_TES_SAMPLER_VIEWS
,
163 case MESA_SHADER_GEOMETRY
:
164 states
= &(st_program(prog
))->affected_states
;
166 *states
= ST_NEW_GS_STATE
|
169 set_affected_state_flags(states
, prog
,
171 ST_NEW_GS_SAMPLER_VIEWS
,
179 case MESA_SHADER_FRAGMENT
:
180 states
= &((struct st_program
*)prog
)->affected_states
;
182 /* gl_FragCoord and glDrawPixels always use constants. */
183 *states
= ST_NEW_FS_STATE
|
184 ST_NEW_SAMPLE_SHADING
|
187 set_affected_state_flags(states
, prog
,
189 ST_NEW_FS_SAMPLER_VIEWS
,
197 case MESA_SHADER_COMPUTE
:
198 states
= &((struct st_program
*)prog
)->affected_states
;
200 *states
= ST_NEW_CS_STATE
;
202 set_affected_state_flags(states
, prog
,
204 ST_NEW_CS_SAMPLER_VIEWS
,
213 unreachable("unhandled shader stage");
219 * Delete a shader variant. Note the caller must unlink the variant from
223 delete_variant(struct st_context
*st
, struct st_variant
*v
, GLenum target
)
225 if (v
->driver_shader
) {
226 if (target
== GL_VERTEX_PROGRAM_ARB
&&
227 ((struct st_common_variant
*)v
)->key
.is_draw_shader
) {
229 draw_delete_vertex_shader(st
->draw
, v
->driver_shader
);
230 } else if (st
->has_shareable_shaders
|| v
->st
== st
) {
231 /* The shader's context matches the calling context, or we
235 case GL_VERTEX_PROGRAM_ARB
:
236 st
->pipe
->delete_vs_state(st
->pipe
, v
->driver_shader
);
238 case GL_TESS_CONTROL_PROGRAM_NV
:
239 st
->pipe
->delete_tcs_state(st
->pipe
, v
->driver_shader
);
241 case GL_TESS_EVALUATION_PROGRAM_NV
:
242 st
->pipe
->delete_tes_state(st
->pipe
, v
->driver_shader
);
244 case GL_GEOMETRY_PROGRAM_NV
:
245 st
->pipe
->delete_gs_state(st
->pipe
, v
->driver_shader
);
247 case GL_FRAGMENT_PROGRAM_ARB
:
248 st
->pipe
->delete_fs_state(st
->pipe
, v
->driver_shader
);
250 case GL_COMPUTE_PROGRAM_NV
:
251 st
->pipe
->delete_compute_state(st
->pipe
, v
->driver_shader
);
254 unreachable("bad shader type in delete_basic_variant");
257 /* We can't delete a shader with a context different from the one
258 * that created it. Add it to the creating context's zombie list.
260 enum pipe_shader_type type
=
261 pipe_shader_type_from_mesa(_mesa_program_enum_to_shader_stage(target
));
263 st_save_zombie_shader(v
->st
, type
, v
->driver_shader
);
271 st_unbind_program(struct st_context
*st
, struct st_program
*p
)
273 /* Unbind the shader in cso_context and re-bind in st/mesa. */
274 switch (p
->Base
.info
.stage
) {
275 case MESA_SHADER_VERTEX
:
276 cso_set_vertex_shader_handle(st
->cso_context
, NULL
);
277 st
->dirty
|= ST_NEW_VS_STATE
;
279 case MESA_SHADER_TESS_CTRL
:
280 cso_set_tessctrl_shader_handle(st
->cso_context
, NULL
);
281 st
->dirty
|= ST_NEW_TCS_STATE
;
283 case MESA_SHADER_TESS_EVAL
:
284 cso_set_tesseval_shader_handle(st
->cso_context
, NULL
);
285 st
->dirty
|= ST_NEW_TES_STATE
;
287 case MESA_SHADER_GEOMETRY
:
288 cso_set_geometry_shader_handle(st
->cso_context
, NULL
);
289 st
->dirty
|= ST_NEW_GS_STATE
;
291 case MESA_SHADER_FRAGMENT
:
292 cso_set_fragment_shader_handle(st
->cso_context
, NULL
);
293 st
->dirty
|= ST_NEW_FS_STATE
;
295 case MESA_SHADER_COMPUTE
:
296 cso_set_compute_shader_handle(st
->cso_context
, NULL
);
297 st
->dirty
|= ST_NEW_CS_STATE
;
300 unreachable("invalid shader type");
305 * Free all basic program variants.
308 st_release_variants(struct st_context
*st
, struct st_program
*p
)
310 struct st_variant
*v
;
312 /* If we are releasing shaders, re-bind them, because we don't
313 * know which shaders are bound in the driver.
316 st_unbind_program(st
, p
);
318 for (v
= p
->variants
; v
; ) {
319 struct st_variant
*next
= v
->next
;
320 delete_variant(st
, v
, p
->Base
.Target
);
326 if (p
->state
.tokens
) {
327 ureg_free_tokens(p
->state
.tokens
);
328 p
->state
.tokens
= NULL
;
331 /* Note: Any setup of ->ir.nir that has had pipe->create_*_state called on
332 * it has resulted in the driver taking ownership of the NIR. Those
333 * callers should be NULLing out the nir field in any pipe_shader_state
334 * that might have this called in order to indicate that.
336 * GLSL IR and ARB programs will have set gl_program->nir to the same
337 * shader as ir->ir.nir, so it will be freed by _mesa_delete_program().
342 * Free all basic program variants and unref program.
345 st_release_program(struct st_context
*st
, struct st_program
**p
)
350 destroy_program_variants(st
, &((*p
)->Base
));
351 st_reference_prog(st
, p
, NULL
);
355 st_finalize_nir_before_variants(struct nir_shader
*nir
)
357 NIR_PASS_V(nir
, nir_opt_access
);
359 NIR_PASS_V(nir
, nir_split_var_copies
);
360 NIR_PASS_V(nir
, nir_lower_var_copies
);
361 if (nir
->options
->lower_all_io_to_temps
||
362 nir
->options
->lower_all_io_to_elements
||
363 nir
->info
.stage
== MESA_SHADER_VERTEX
||
364 nir
->info
.stage
== MESA_SHADER_GEOMETRY
) {
365 NIR_PASS_V(nir
, nir_lower_io_arrays_to_elements_no_indirects
, false);
366 } else if (nir
->info
.stage
== MESA_SHADER_FRAGMENT
) {
367 NIR_PASS_V(nir
, nir_lower_io_arrays_to_elements_no_indirects
, true);
370 st_nir_assign_vs_in_locations(nir
);
374 * Translate ARB (asm) program to NIR
377 st_translate_prog_to_nir(struct st_context
*st
, struct gl_program
*prog
,
378 gl_shader_stage stage
)
380 struct pipe_screen
*screen
= st
->pipe
->screen
;
381 const struct gl_shader_compiler_options
*options
=
382 &st
->ctx
->Const
.ShaderCompilerOptions
[stage
];
384 /* Translate to NIR */
385 nir_shader
*nir
= prog_to_nir(prog
, options
->NirOptions
);
386 NIR_PASS_V(nir
, nir_lower_regs_to_ssa
); /* turn registers into SSA */
387 nir_validate_shader(nir
, "after st/ptn lower_regs_to_ssa");
389 NIR_PASS_V(nir
, st_nir_lower_wpos_ytransform
, prog
, screen
);
390 NIR_PASS_V(nir
, nir_lower_system_values
);
393 NIR_PASS_V(nir
, nir_opt_constant_folding
);
395 st_finalize_nir_before_variants(nir
);
397 if (st
->allow_st_finalize_nir_twice
)
398 st_finalize_nir(st
, prog
, NULL
, nir
, true);
400 nir_validate_shader(nir
, "after st/glsl finalize_nir");
406 st_prepare_vertex_program(struct st_program
*stp
)
408 struct st_vertex_program
*stvp
= (struct st_vertex_program
*)stp
;
410 stvp
->num_inputs
= 0;
411 memset(stvp
->input_to_index
, ~0, sizeof(stvp
->input_to_index
));
412 memset(stvp
->result_to_output
, ~0, sizeof(stvp
->result_to_output
));
414 /* Determine number of inputs, the mappings between VERT_ATTRIB_x
415 * and TGSI generic input indexes, plus input attrib semantic info.
417 for (unsigned attr
= 0; attr
< VERT_ATTRIB_MAX
; attr
++) {
418 if ((stp
->Base
.info
.inputs_read
& BITFIELD64_BIT(attr
)) != 0) {
419 stvp
->input_to_index
[attr
] = stvp
->num_inputs
;
420 stvp
->index_to_input
[stvp
->num_inputs
] = attr
;
423 if ((stp
->Base
.DualSlotInputs
& BITFIELD64_BIT(attr
)) != 0) {
424 /* add placeholder for second part of a double attribute */
425 stvp
->index_to_input
[stvp
->num_inputs
] = ST_DOUBLE_ATTRIB_PLACEHOLDER
;
430 /* pre-setup potentially unused edgeflag input */
431 stvp
->input_to_index
[VERT_ATTRIB_EDGEFLAG
] = stvp
->num_inputs
;
432 stvp
->index_to_input
[stvp
->num_inputs
] = VERT_ATTRIB_EDGEFLAG
;
434 /* Compute mapping of vertex program outputs to slots. */
435 unsigned num_outputs
= 0;
436 for (unsigned attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
437 if (stp
->Base
.info
.outputs_written
& BITFIELD64_BIT(attr
))
438 stvp
->result_to_output
[attr
] = num_outputs
++;
440 /* pre-setup potentially unused edgeflag output */
441 stvp
->result_to_output
[VARYING_SLOT_EDGE
] = num_outputs
;
445 st_translate_stream_output_info(struct gl_program
*prog
)
447 struct gl_transform_feedback_info
*info
= prog
->sh
.LinkedTransformFeedback
;
451 /* Determine the (default) output register mapping for each output. */
452 unsigned num_outputs
= 0;
453 ubyte output_mapping
[VARYING_SLOT_TESS_MAX
];
454 memset(output_mapping
, 0, sizeof(output_mapping
));
456 for (unsigned attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
457 if (prog
->info
.outputs_written
& BITFIELD64_BIT(attr
))
458 output_mapping
[attr
] = num_outputs
++;
461 /* Translate stream output info. */
462 struct pipe_stream_output_info
*so_info
=
463 &((struct st_program
*)prog
)->state
.stream_output
;
465 for (unsigned i
= 0; i
< info
->NumOutputs
; i
++) {
466 so_info
->output
[i
].register_index
=
467 output_mapping
[info
->Outputs
[i
].OutputRegister
];
468 so_info
->output
[i
].start_component
= info
->Outputs
[i
].ComponentOffset
;
469 so_info
->output
[i
].num_components
= info
->Outputs
[i
].NumComponents
;
470 so_info
->output
[i
].output_buffer
= info
->Outputs
[i
].OutputBuffer
;
471 so_info
->output
[i
].dst_offset
= info
->Outputs
[i
].DstOffset
;
472 so_info
->output
[i
].stream
= info
->Outputs
[i
].StreamId
;
475 for (unsigned i
= 0; i
< PIPE_MAX_SO_BUFFERS
; i
++) {
476 so_info
->stride
[i
] = info
->Buffers
[i
].Stride
;
478 so_info
->num_outputs
= info
->NumOutputs
;
482 * Translate a vertex program.
485 st_translate_vertex_program(struct st_context
*st
,
486 struct st_program
*stp
)
488 struct ureg_program
*ureg
;
489 enum pipe_error error
;
490 unsigned num_outputs
= 0;
492 ubyte output_semantic_name
[VARYING_SLOT_MAX
] = {0};
493 ubyte output_semantic_index
[VARYING_SLOT_MAX
] = {0};
495 if (stp
->Base
.arb
.IsPositionInvariant
)
496 _mesa_insert_mvp_code(st
->ctx
, &stp
->Base
);
499 if (!stp
->glsl_to_tgsi
) {
500 _mesa_remove_output_reads(&stp
->Base
, PROGRAM_OUTPUT
);
502 /* This determines which states will be updated when the assembly
505 stp
->affected_states
= ST_NEW_VS_STATE
|
507 ST_NEW_VERTEX_ARRAYS
;
509 if (stp
->Base
.Parameters
->NumParameters
)
510 stp
->affected_states
|= ST_NEW_VS_CONSTANTS
;
512 /* Translate to NIR if preferred. */
513 if (st
->pipe
->screen
->get_shader_param(st
->pipe
->screen
,
515 PIPE_SHADER_CAP_PREFERRED_IR
)) {
516 assert(!stp
->glsl_to_tgsi
);
519 ralloc_free(stp
->Base
.nir
);
521 if (stp
->serialized_nir
) {
522 free(stp
->serialized_nir
);
523 stp
->serialized_nir
= NULL
;
526 stp
->state
.type
= PIPE_SHADER_IR_NIR
;
527 stp
->Base
.nir
= st_translate_prog_to_nir(st
, &stp
->Base
,
530 /* We must update stp->Base.info after translation and before
531 * st_prepare_vertex_program is called, because inputs_read
532 * may become outdated after NIR optimization passes.
534 * For ffvp/ARB_vp inputs_read is populated based
535 * on declared attributes without taking their usage into
536 * consideration. When creating shader variants we expect
537 * that their inputs_read would match the base ones for
538 * input mapping to work properly.
540 nir_shader_gather_info(stp
->Base
.nir
,
541 nir_shader_get_entrypoint(stp
->Base
.nir
));
542 st_nir_assign_vs_in_locations(stp
->Base
.nir
);
543 stp
->Base
.info
= stp
->Base
.nir
->info
;
545 /* For st_draw_feedback, we need to generate TGSI too if draw doesn't
548 if (draw_has_llvm()) {
549 st_prepare_vertex_program(stp
);
555 st_prepare_vertex_program(stp
);
557 /* Get semantic names and indices. */
558 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
559 if (stp
->Base
.info
.outputs_written
& BITFIELD64_BIT(attr
)) {
560 unsigned slot
= num_outputs
++;
561 unsigned semantic_name
, semantic_index
;
562 tgsi_get_gl_varying_semantic(attr
, st
->needs_texcoord_semantic
,
563 &semantic_name
, &semantic_index
);
564 output_semantic_name
[slot
] = semantic_name
;
565 output_semantic_index
[slot
] = semantic_index
;
568 /* pre-setup potentially unused edgeflag output */
569 output_semantic_name
[num_outputs
] = TGSI_SEMANTIC_EDGEFLAG
;
570 output_semantic_index
[num_outputs
] = 0;
572 ureg
= ureg_create_with_screen(PIPE_SHADER_VERTEX
, st
->pipe
->screen
);
576 if (stp
->Base
.info
.clip_distance_array_size
)
577 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
578 stp
->Base
.info
.clip_distance_array_size
);
579 if (stp
->Base
.info
.cull_distance_array_size
)
580 ureg_property(ureg
, TGSI_PROPERTY_NUM_CULLDIST_ENABLED
,
581 stp
->Base
.info
.cull_distance_array_size
);
583 if (ST_DEBUG
& DEBUG_MESA
) {
584 _mesa_print_program(&stp
->Base
);
585 _mesa_print_program_parameters(st
->ctx
, &stp
->Base
);
589 struct st_vertex_program
*stvp
= (struct st_vertex_program
*)stp
;
591 if (stp
->glsl_to_tgsi
) {
592 error
= st_translate_program(st
->ctx
,
599 stvp
->input_to_index
,
600 NULL
, /* inputSlotToAttr */
601 NULL
, /* input semantic name */
602 NULL
, /* input semantic index */
603 NULL
, /* interp mode */
606 stvp
->result_to_output
,
607 output_semantic_name
,
608 output_semantic_index
);
610 st_translate_stream_output_info(&stp
->Base
);
612 free_glsl_to_tgsi_visitor(stp
->glsl_to_tgsi
);
614 error
= st_translate_mesa_program(st
->ctx
,
620 stvp
->input_to_index
,
621 NULL
, /* input semantic name */
622 NULL
, /* input semantic index */
626 stvp
->result_to_output
,
627 output_semantic_name
,
628 output_semantic_index
);
631 debug_printf("%s: failed to translate Mesa program:\n", __func__
);
632 _mesa_print_program(&stp
->Base
);
637 stp
->state
.tokens
= ureg_get_tokens(ureg
, NULL
);
640 if (stp
->glsl_to_tgsi
) {
641 stp
->glsl_to_tgsi
= NULL
;
642 st_store_ir_in_disk_cache(st
, &stp
->Base
, false);
645 return stp
->state
.tokens
!= NULL
;
648 static struct nir_shader
*
649 get_nir_shader(struct st_context
*st
, struct st_program
*stp
)
652 nir_shader
*nir
= stp
->Base
.nir
;
654 /* The first shader variant takes ownership of NIR, so that there is
655 * no cloning. Additional shader variants are always generated from
656 * serialized NIR to save memory.
658 stp
->Base
.nir
= NULL
;
659 assert(stp
->serialized_nir
&& stp
->serialized_nir_size
);
663 struct blob_reader blob_reader
;
664 const struct nir_shader_compiler_options
*options
=
665 st
->ctx
->Const
.ShaderCompilerOptions
[stp
->Base
.info
.stage
].NirOptions
;
667 blob_reader_init(&blob_reader
, stp
->serialized_nir
, stp
->serialized_nir_size
);
668 return nir_deserialize(NULL
, options
, &blob_reader
);
672 lower_ucp(struct st_context
*st
,
673 struct nir_shader
*nir
,
674 unsigned ucp_enables
,
675 struct gl_program_parameter_list
*params
)
677 if (nir
->info
.outputs_written
& VARYING_BIT_CLIP_DIST0
)
678 NIR_PASS_V(nir
, nir_lower_clip_disable
, ucp_enables
);
680 struct pipe_screen
*screen
= st
->pipe
->screen
;
681 bool can_compact
= screen
->get_param(screen
,
682 PIPE_CAP_NIR_COMPACT_ARRAYS
);
683 bool use_eye
= st
->ctx
->_Shader
->CurrentProgram
[MESA_SHADER_VERTEX
] != NULL
;
685 gl_state_index16 clipplane_state
[MAX_CLIP_PLANES
][STATE_LENGTH
];
686 for (int i
= 0; i
< MAX_CLIP_PLANES
; ++i
) {
688 clipplane_state
[i
][0] = STATE_CLIPPLANE
;
689 clipplane_state
[i
][1] = i
;
691 clipplane_state
[i
][0] = STATE_INTERNAL
;
692 clipplane_state
[i
][1] = STATE_CLIP_INTERNAL
;
693 clipplane_state
[i
][2] = i
;
695 _mesa_add_state_reference(params
, clipplane_state
[i
]);
698 if (nir
->info
.stage
== MESA_SHADER_VERTEX
) {
699 NIR_PASS_V(nir
, nir_lower_clip_vs
, ucp_enables
,
700 true, can_compact
, clipplane_state
);
701 } else if (nir
->info
.stage
== MESA_SHADER_GEOMETRY
) {
702 NIR_PASS_V(nir
, nir_lower_clip_gs
, ucp_enables
,
703 can_compact
, clipplane_state
);
706 NIR_PASS_V(nir
, nir_lower_io_to_temporaries
,
707 nir_shader_get_entrypoint(nir
), true, false);
708 NIR_PASS_V(nir
, nir_lower_global_vars_to_local
);
712 static const gl_state_index16 depth_range_state
[STATE_LENGTH
] =
713 { STATE_DEPTH_RANGE
};
715 static struct st_common_variant
*
716 st_create_vp_variant(struct st_context
*st
,
717 struct st_program
*stvp
,
718 const struct st_common_variant_key
*key
)
720 struct st_common_variant
*vpv
= CALLOC_STRUCT(st_common_variant
);
721 struct pipe_context
*pipe
= st
->pipe
;
722 struct pipe_shader_state state
= {0};
724 static const gl_state_index16 point_size_state
[STATE_LENGTH
] =
725 { STATE_INTERNAL
, STATE_POINT_SIZE_CLAMPED
, 0 };
726 struct gl_program_parameter_list
*params
= stvp
->Base
.Parameters
;
730 state
.stream_output
= stvp
->state
.stream_output
;
732 if (stvp
->state
.type
== PIPE_SHADER_IR_NIR
&&
733 (!key
->is_draw_shader
|| draw_has_llvm())) {
734 bool finalize
= false;
736 state
.type
= PIPE_SHADER_IR_NIR
;
737 state
.ir
.nir
= get_nir_shader(st
, stvp
);
738 if (key
->clamp_color
) {
739 NIR_PASS_V(state
.ir
.nir
, nir_lower_clamp_color_outputs
);
742 if (key
->passthrough_edgeflags
) {
743 NIR_PASS_V(state
.ir
.nir
, nir_lower_passthrough_edgeflags
);
747 if (key
->lower_point_size
) {
748 _mesa_add_state_reference(params
, point_size_state
);
749 NIR_PASS_V(state
.ir
.nir
, nir_lower_point_size_mov
,
754 if (key
->lower_ucp
) {
755 lower_ucp(st
, state
.ir
.nir
, key
->lower_ucp
, params
);
759 if (finalize
|| !st
->allow_st_finalize_nir_twice
) {
760 st_finalize_nir(st
, &stvp
->Base
, stvp
->shader_program
, state
.ir
.nir
,
763 /* Some of the lowering above may have introduced new varyings */
764 nir_shader_gather_info(state
.ir
.nir
,
765 nir_shader_get_entrypoint(state
.ir
.nir
));
768 if (ST_DEBUG
& DEBUG_PRINT_IR
)
769 nir_print_shader(state
.ir
.nir
, stderr
);
771 if (key
->is_draw_shader
)
772 vpv
->base
.driver_shader
= draw_create_vertex_shader(st
->draw
, &state
);
774 vpv
->base
.driver_shader
= pipe
->create_vs_state(pipe
, &state
);
779 state
.type
= PIPE_SHADER_IR_TGSI
;
780 state
.tokens
= tgsi_dup_tokens(stvp
->state
.tokens
);
782 /* Emulate features. */
783 if (key
->clamp_color
|| key
->passthrough_edgeflags
) {
784 const struct tgsi_token
*tokens
;
786 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
787 (key
->passthrough_edgeflags
? TGSI_EMU_PASSTHROUGH_EDGEFLAG
: 0);
789 tokens
= tgsi_emulate(state
.tokens
, flags
);
792 tgsi_free_tokens(state
.tokens
);
793 state
.tokens
= tokens
;
795 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
799 if (key
->lower_depth_clamp
) {
800 unsigned depth_range_const
=
801 _mesa_add_state_reference(params
, depth_range_state
);
803 const struct tgsi_token
*tokens
;
804 tokens
= st_tgsi_lower_depth_clamp(state
.tokens
, depth_range_const
,
805 key
->clip_negative_one_to_one
);
806 if (tokens
!= state
.tokens
)
807 tgsi_free_tokens(state
.tokens
);
808 state
.tokens
= tokens
;
811 if (ST_DEBUG
& DEBUG_PRINT_IR
)
812 tgsi_dump(state
.tokens
, 0);
814 if (key
->is_draw_shader
)
815 vpv
->base
.driver_shader
= draw_create_vertex_shader(st
->draw
, &state
);
817 vpv
->base
.driver_shader
= pipe
->create_vs_state(pipe
, &state
);
820 tgsi_free_tokens(state
.tokens
);
828 * Find/create a vertex program variant.
830 struct st_common_variant
*
831 st_get_vp_variant(struct st_context
*st
,
832 struct st_program
*stp
,
833 const struct st_common_variant_key
*key
)
835 struct st_vertex_program
*stvp
= (struct st_vertex_program
*)stp
;
836 struct st_common_variant
*vpv
;
838 /* Search for existing variant */
839 for (vpv
= st_common_variant(stp
->variants
); vpv
;
840 vpv
= st_common_variant(vpv
->base
.next
)) {
841 if (memcmp(&vpv
->key
, key
, sizeof(*key
)) == 0) {
848 vpv
= st_create_vp_variant(st
, stp
, key
);
850 vpv
->base
.st
= key
->st
;
852 unsigned num_inputs
= stvp
->num_inputs
+ key
->passthrough_edgeflags
;
853 for (unsigned index
= 0; index
< num_inputs
; ++index
) {
854 unsigned attr
= stvp
->index_to_input
[index
];
855 if (attr
== ST_DOUBLE_ATTRIB_PLACEHOLDER
)
857 vpv
->vert_attrib_mask
|= 1u << attr
;
860 /* insert into list */
861 vpv
->base
.next
= stp
->variants
;
862 stp
->variants
= &vpv
->base
;
871 * Translate a Mesa fragment shader into a TGSI shader.
874 st_translate_fragment_program(struct st_context
*st
,
875 struct st_program
*stfp
)
877 /* Non-GLSL programs: */
878 if (!stfp
->glsl_to_tgsi
) {
879 _mesa_remove_output_reads(&stfp
->Base
, PROGRAM_OUTPUT
);
880 if (st
->ctx
->Const
.GLSLFragCoordIsSysVal
)
881 _mesa_program_fragment_position_to_sysval(&stfp
->Base
);
883 /* This determines which states will be updated when the assembly
886 * fragment.position and glDrawPixels always use constants.
888 stfp
->affected_states
= ST_NEW_FS_STATE
|
889 ST_NEW_SAMPLE_SHADING
|
893 /* Just set them for ATI_fs unconditionally. */
894 stfp
->affected_states
|= ST_NEW_FS_SAMPLER_VIEWS
|
898 if (stfp
->Base
.SamplersUsed
)
899 stfp
->affected_states
|= ST_NEW_FS_SAMPLER_VIEWS
|
903 /* Translate to NIR. */
905 st
->pipe
->screen
->get_shader_param(st
->pipe
->screen
,
906 PIPE_SHADER_FRAGMENT
,
907 PIPE_SHADER_CAP_PREFERRED_IR
)) {
909 st_translate_prog_to_nir(st
, &stfp
->Base
, MESA_SHADER_FRAGMENT
);
912 ralloc_free(stfp
->Base
.nir
);
913 if (stfp
->serialized_nir
) {
914 free(stfp
->serialized_nir
);
915 stfp
->serialized_nir
= NULL
;
917 stfp
->state
.type
= PIPE_SHADER_IR_NIR
;
918 stfp
->Base
.nir
= nir
;
923 ubyte outputMapping
[2 * FRAG_RESULT_MAX
];
924 ubyte inputMapping
[VARYING_SLOT_MAX
];
925 ubyte inputSlotToAttr
[VARYING_SLOT_MAX
];
926 ubyte interpMode
[PIPE_MAX_SHADER_INPUTS
]; /* XXX size? */
928 GLbitfield64 inputsRead
;
929 struct ureg_program
*ureg
;
931 GLboolean write_all
= GL_FALSE
;
933 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
934 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
935 uint fs_num_inputs
= 0;
937 ubyte fs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
938 ubyte fs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
939 uint fs_num_outputs
= 0;
941 memset(inputSlotToAttr
, ~0, sizeof(inputSlotToAttr
));
944 * Convert Mesa program inputs to TGSI input register semantics.
946 inputsRead
= stfp
->Base
.info
.inputs_read
;
947 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
948 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
949 const GLuint slot
= fs_num_inputs
++;
951 inputMapping
[attr
] = slot
;
952 inputSlotToAttr
[slot
] = attr
;
955 case VARYING_SLOT_POS
:
956 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
957 input_semantic_index
[slot
] = 0;
958 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
960 case VARYING_SLOT_COL0
:
961 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
962 input_semantic_index
[slot
] = 0;
963 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
964 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_COLOR
;
966 case VARYING_SLOT_COL1
:
967 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
968 input_semantic_index
[slot
] = 1;
969 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
970 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_COLOR
;
972 case VARYING_SLOT_FOGC
:
973 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
974 input_semantic_index
[slot
] = 0;
975 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
977 case VARYING_SLOT_FACE
:
978 input_semantic_name
[slot
] = TGSI_SEMANTIC_FACE
;
979 input_semantic_index
[slot
] = 0;
980 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
982 case VARYING_SLOT_PRIMITIVE_ID
:
983 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
984 input_semantic_index
[slot
] = 0;
985 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
987 case VARYING_SLOT_LAYER
:
988 input_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
989 input_semantic_index
[slot
] = 0;
990 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
992 case VARYING_SLOT_VIEWPORT
:
993 input_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
994 input_semantic_index
[slot
] = 0;
995 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
997 case VARYING_SLOT_CLIP_DIST0
:
998 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
999 input_semantic_index
[slot
] = 0;
1000 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
1002 case VARYING_SLOT_CLIP_DIST1
:
1003 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1004 input_semantic_index
[slot
] = 1;
1005 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
1007 case VARYING_SLOT_CULL_DIST0
:
1008 case VARYING_SLOT_CULL_DIST1
:
1009 /* these should have been lowered by GLSL */
1012 /* In most cases, there is nothing special about these
1013 * inputs, so adopt a convention to use the generic
1014 * semantic name and the mesa VARYING_SLOT_ number as the
1017 * All that is required is that the vertex shader labels
1018 * its own outputs similarly, and that the vertex shader
1019 * generates at least every output required by the
1020 * fragment shader plus fixed-function hardware (such as
1023 * However, some drivers may need us to identify the PNTC and TEXi
1024 * varyings if, for example, their capability to replace them with
1025 * sprite coordinates is limited.
1027 case VARYING_SLOT_PNTC
:
1028 if (st
->needs_texcoord_semantic
) {
1029 input_semantic_name
[slot
] = TGSI_SEMANTIC_PCOORD
;
1030 input_semantic_index
[slot
] = 0;
1031 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
1035 case VARYING_SLOT_TEX0
:
1036 case VARYING_SLOT_TEX1
:
1037 case VARYING_SLOT_TEX2
:
1038 case VARYING_SLOT_TEX3
:
1039 case VARYING_SLOT_TEX4
:
1040 case VARYING_SLOT_TEX5
:
1041 case VARYING_SLOT_TEX6
:
1042 case VARYING_SLOT_TEX7
:
1043 if (st
->needs_texcoord_semantic
) {
1044 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1045 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1046 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
1047 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_PERSPECTIVE
;
1051 case VARYING_SLOT_VAR0
:
1053 /* Semantic indices should be zero-based because drivers may choose
1054 * to assign a fixed slot determined by that index.
1055 * This is useful because ARB_separate_shader_objects uses location
1056 * qualifiers for linkage, and if the semantic index corresponds to
1057 * these locations, linkage passes in the driver become unecessary.
1059 * If needs_texcoord_semantic is true, no semantic indices will be
1060 * consumed for the TEXi varyings, and we can base the locations of
1061 * the user varyings on VAR0. Otherwise, we use TEX0 as base index.
1063 assert(attr
>= VARYING_SLOT_VAR0
|| attr
== VARYING_SLOT_PNTC
||
1064 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1065 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1066 input_semantic_index
[slot
] = st_get_generic_varying_index(st
, attr
);
1067 if (attr
== VARYING_SLOT_PNTC
)
1068 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
1070 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
1071 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_PERSPECTIVE
;
1077 inputMapping
[attr
] = -1;
1082 * Semantics and mapping for outputs
1084 GLbitfield64 outputsWritten
= stfp
->Base
.info
.outputs_written
;
1086 /* if z is written, emit that first */
1087 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
1088 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_POSITION
;
1089 fs_output_semantic_index
[fs_num_outputs
] = 0;
1090 outputMapping
[FRAG_RESULT_DEPTH
] = fs_num_outputs
;
1092 outputsWritten
&= ~(1 << FRAG_RESULT_DEPTH
);
1095 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_STENCIL
)) {
1096 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_STENCIL
;
1097 fs_output_semantic_index
[fs_num_outputs
] = 0;
1098 outputMapping
[FRAG_RESULT_STENCIL
] = fs_num_outputs
;
1100 outputsWritten
&= ~(1 << FRAG_RESULT_STENCIL
);
1103 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK
)) {
1104 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_SAMPLEMASK
;
1105 fs_output_semantic_index
[fs_num_outputs
] = 0;
1106 outputMapping
[FRAG_RESULT_SAMPLE_MASK
] = fs_num_outputs
;
1108 outputsWritten
&= ~(1 << FRAG_RESULT_SAMPLE_MASK
);
1111 /* handle remaining outputs (color) */
1112 for (attr
= 0; attr
< ARRAY_SIZE(outputMapping
); attr
++) {
1113 const GLbitfield64 written
= attr
< FRAG_RESULT_MAX
? outputsWritten
:
1114 stfp
->Base
.SecondaryOutputsWritten
;
1115 const unsigned loc
= attr
% FRAG_RESULT_MAX
;
1117 if (written
& BITFIELD64_BIT(loc
)) {
1119 case FRAG_RESULT_DEPTH
:
1120 case FRAG_RESULT_STENCIL
:
1121 case FRAG_RESULT_SAMPLE_MASK
:
1125 case FRAG_RESULT_COLOR
:
1126 write_all
= GL_TRUE
; /* fallthrough */
1129 assert(loc
== FRAG_RESULT_COLOR
||
1130 (FRAG_RESULT_DATA0
<= loc
&& loc
< FRAG_RESULT_MAX
));
1132 index
= (loc
== FRAG_RESULT_COLOR
) ? 0 : (loc
- FRAG_RESULT_DATA0
);
1134 if (attr
>= FRAG_RESULT_MAX
) {
1135 /* Secondary color for dual source blending. */
1140 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_COLOR
;
1141 fs_output_semantic_index
[fs_num_outputs
] = index
;
1142 outputMapping
[attr
] = fs_num_outputs
;
1151 ureg
= ureg_create_with_screen(PIPE_SHADER_FRAGMENT
, st
->pipe
->screen
);
1155 if (ST_DEBUG
& DEBUG_MESA
) {
1156 _mesa_print_program(&stfp
->Base
);
1157 _mesa_print_program_parameters(st
->ctx
, &stfp
->Base
);
1160 if (write_all
== GL_TRUE
)
1161 ureg_property(ureg
, TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS
, 1);
1163 if (stfp
->Base
.info
.fs
.depth_layout
!= FRAG_DEPTH_LAYOUT_NONE
) {
1164 switch (stfp
->Base
.info
.fs
.depth_layout
) {
1165 case FRAG_DEPTH_LAYOUT_ANY
:
1166 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1167 TGSI_FS_DEPTH_LAYOUT_ANY
);
1169 case FRAG_DEPTH_LAYOUT_GREATER
:
1170 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1171 TGSI_FS_DEPTH_LAYOUT_GREATER
);
1173 case FRAG_DEPTH_LAYOUT_LESS
:
1174 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1175 TGSI_FS_DEPTH_LAYOUT_LESS
);
1177 case FRAG_DEPTH_LAYOUT_UNCHANGED
:
1178 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
1179 TGSI_FS_DEPTH_LAYOUT_UNCHANGED
);
1186 if (stfp
->glsl_to_tgsi
) {
1187 st_translate_program(st
->ctx
,
1188 PIPE_SHADER_FRAGMENT
,
1196 input_semantic_name
,
1197 input_semantic_index
,
1202 fs_output_semantic_name
,
1203 fs_output_semantic_index
);
1205 free_glsl_to_tgsi_visitor(stfp
->glsl_to_tgsi
);
1206 } else if (stfp
->ati_fs
)
1207 st_translate_atifs_program(ureg
,
1213 input_semantic_name
,
1214 input_semantic_index
,
1219 fs_output_semantic_name
,
1220 fs_output_semantic_index
);
1222 st_translate_mesa_program(st
->ctx
,
1223 PIPE_SHADER_FRAGMENT
,
1229 input_semantic_name
,
1230 input_semantic_index
,
1235 fs_output_semantic_name
,
1236 fs_output_semantic_index
);
1238 stfp
->state
.tokens
= ureg_get_tokens(ureg
, NULL
);
1241 if (stfp
->glsl_to_tgsi
) {
1242 stfp
->glsl_to_tgsi
= NULL
;
1243 st_store_ir_in_disk_cache(st
, &stfp
->Base
, false);
1246 return stfp
->state
.tokens
!= NULL
;
1249 static struct st_fp_variant
*
1250 st_create_fp_variant(struct st_context
*st
,
1251 struct st_program
*stfp
,
1252 const struct st_fp_variant_key
*key
)
1254 struct pipe_context
*pipe
= st
->pipe
;
1255 struct st_fp_variant
*variant
= CALLOC_STRUCT(st_fp_variant
);
1256 struct pipe_shader_state state
= {0};
1257 struct gl_program_parameter_list
*params
= stfp
->Base
.Parameters
;
1258 static const gl_state_index16 texcoord_state
[STATE_LENGTH
] =
1259 { STATE_INTERNAL
, STATE_CURRENT_ATTRIB
, VERT_ATTRIB_TEX0
};
1260 static const gl_state_index16 scale_state
[STATE_LENGTH
] =
1261 { STATE_INTERNAL
, STATE_PT_SCALE
};
1262 static const gl_state_index16 bias_state
[STATE_LENGTH
] =
1263 { STATE_INTERNAL
, STATE_PT_BIAS
};
1264 static const gl_state_index16 alpha_ref_state
[STATE_LENGTH
] =
1265 { STATE_INTERNAL
, STATE_ALPHA_REF
};
1270 if (stfp
->state
.type
== PIPE_SHADER_IR_NIR
) {
1271 bool finalize
= false;
1273 state
.type
= PIPE_SHADER_IR_NIR
;
1274 state
.ir
.nir
= get_nir_shader(st
, stfp
);
1276 if (key
->clamp_color
) {
1277 NIR_PASS_V(state
.ir
.nir
, nir_lower_clamp_color_outputs
);
1281 if (key
->lower_flatshade
) {
1282 NIR_PASS_V(state
.ir
.nir
, nir_lower_flatshade
);
1286 if (key
->lower_alpha_func
!= COMPARE_FUNC_NEVER
) {
1287 _mesa_add_state_reference(params
, alpha_ref_state
);
1288 NIR_PASS_V(state
.ir
.nir
, nir_lower_alpha_test
, key
->lower_alpha_func
,
1289 false, alpha_ref_state
);
1293 if (key
->lower_two_sided_color
) {
1294 bool face_sysval
= st
->ctx
->Const
.GLSLFrontFacingIsSysVal
;
1295 NIR_PASS_V(state
.ir
.nir
, nir_lower_two_sided_color
, face_sysval
);
1299 if (key
->persample_shading
) {
1300 nir_shader
*shader
= state
.ir
.nir
;
1301 nir_foreach_shader_in_variable(var
, shader
)
1302 var
->data
.sample
= true;
1306 assert(!(key
->bitmap
&& key
->drawpixels
));
1310 nir_lower_bitmap_options options
= {0};
1312 variant
->bitmap_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1313 options
.sampler
= variant
->bitmap_sampler
;
1314 options
.swizzle_xxxx
= st
->bitmap
.tex_format
== PIPE_FORMAT_R8_UNORM
;
1316 NIR_PASS_V(state
.ir
.nir
, nir_lower_bitmap
, &options
);
1320 /* glDrawPixels (color only) */
1321 if (key
->drawpixels
) {
1322 nir_lower_drawpixels_options options
= {{0}};
1323 unsigned samplers_used
= stfp
->Base
.SamplersUsed
;
1325 /* Find the first unused slot. */
1326 variant
->drawpix_sampler
= ffs(~samplers_used
) - 1;
1327 options
.drawpix_sampler
= variant
->drawpix_sampler
;
1328 samplers_used
|= (1 << variant
->drawpix_sampler
);
1330 options
.pixel_maps
= key
->pixelMaps
;
1331 if (key
->pixelMaps
) {
1332 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
1333 options
.pixelmap_sampler
= variant
->pixelmap_sampler
;
1336 options
.scale_and_bias
= key
->scaleAndBias
;
1337 if (key
->scaleAndBias
) {
1338 _mesa_add_state_reference(params
, scale_state
);
1339 memcpy(options
.scale_state_tokens
, scale_state
,
1340 sizeof(options
.scale_state_tokens
));
1341 _mesa_add_state_reference(params
, bias_state
);
1342 memcpy(options
.bias_state_tokens
, bias_state
,
1343 sizeof(options
.bias_state_tokens
));
1346 _mesa_add_state_reference(params
, texcoord_state
);
1347 memcpy(options
.texcoord_state_tokens
, texcoord_state
,
1348 sizeof(options
.texcoord_state_tokens
));
1350 NIR_PASS_V(state
.ir
.nir
, nir_lower_drawpixels
, &options
);
1354 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
||
1355 key
->external
.lower_xy_uxvx
|| key
->external
.lower_yx_xuxv
||
1356 key
->external
.lower_ayuv
|| key
->external
.lower_xyuv
)) {
1358 st_nir_lower_samplers(pipe
->screen
, state
.ir
.nir
,
1359 stfp
->shader_program
, &stfp
->Base
);
1361 nir_lower_tex_options options
= {0};
1362 options
.lower_y_uv_external
= key
->external
.lower_nv12
;
1363 options
.lower_y_u_v_external
= key
->external
.lower_iyuv
;
1364 options
.lower_xy_uxvx_external
= key
->external
.lower_xy_uxvx
;
1365 options
.lower_yx_xuxv_external
= key
->external
.lower_yx_xuxv
;
1366 options
.lower_ayuv_external
= key
->external
.lower_ayuv
;
1367 options
.lower_xyuv_external
= key
->external
.lower_xyuv
;
1368 NIR_PASS_V(state
.ir
.nir
, nir_lower_tex
, &options
);
1372 if (finalize
|| !st
->allow_st_finalize_nir_twice
) {
1373 st_finalize_nir(st
, &stfp
->Base
, stfp
->shader_program
, state
.ir
.nir
,
1377 /* This pass needs to happen *after* nir_lower_sampler */
1378 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
||
1379 key
->external
.lower_xy_uxvx
|| key
->external
.lower_yx_xuxv
||
1380 key
->external
.lower_ayuv
|| key
->external
.lower_xyuv
)) {
1381 NIR_PASS_V(state
.ir
.nir
, st_nir_lower_tex_src_plane
,
1382 ~stfp
->Base
.SamplersUsed
,
1383 key
->external
.lower_nv12
|| key
->external
.lower_xy_uxvx
||
1384 key
->external
.lower_yx_xuxv
,
1385 key
->external
.lower_iyuv
);
1389 if (finalize
|| !st
->allow_st_finalize_nir_twice
) {
1390 /* Some of the lowering above may have introduced new varyings */
1391 nir_shader_gather_info(state
.ir
.nir
,
1392 nir_shader_get_entrypoint(state
.ir
.nir
));
1394 struct pipe_screen
*screen
= pipe
->screen
;
1395 if (screen
->finalize_nir
)
1396 screen
->finalize_nir(screen
, state
.ir
.nir
, false);
1399 if (ST_DEBUG
& DEBUG_PRINT_IR
)
1400 nir_print_shader(state
.ir
.nir
, stderr
);
1402 variant
->base
.driver_shader
= pipe
->create_fs_state(pipe
, &state
);
1403 variant
->key
= *key
;
1408 state
.tokens
= stfp
->state
.tokens
;
1410 assert(!(key
->bitmap
&& key
->drawpixels
));
1412 /* Fix texture targets and add fog for ATI_fs */
1414 const struct tgsi_token
*tokens
= st_fixup_atifs(state
.tokens
, key
);
1417 state
.tokens
= tokens
;
1419 fprintf(stderr
, "mesa: cannot post-process ATI_fs\n");
1422 /* Emulate features. */
1423 if (key
->clamp_color
|| key
->persample_shading
) {
1424 const struct tgsi_token
*tokens
;
1426 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
1427 (key
->persample_shading
? TGSI_EMU_FORCE_PERSAMPLE_INTERP
: 0);
1429 tokens
= tgsi_emulate(state
.tokens
, flags
);
1432 if (state
.tokens
!= stfp
->state
.tokens
)
1433 tgsi_free_tokens(state
.tokens
);
1434 state
.tokens
= tokens
;
1436 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
1441 const struct tgsi_token
*tokens
;
1443 variant
->bitmap_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1445 tokens
= st_get_bitmap_shader(state
.tokens
,
1446 st
->internal_target
,
1447 variant
->bitmap_sampler
,
1448 st
->needs_texcoord_semantic
,
1449 st
->bitmap
.tex_format
==
1450 PIPE_FORMAT_R8_UNORM
);
1453 if (state
.tokens
!= stfp
->state
.tokens
)
1454 tgsi_free_tokens(state
.tokens
);
1455 state
.tokens
= tokens
;
1457 fprintf(stderr
, "mesa: cannot create a shader for glBitmap\n");
1460 /* glDrawPixels (color only) */
1461 if (key
->drawpixels
) {
1462 const struct tgsi_token
*tokens
;
1463 unsigned scale_const
= 0, bias_const
= 0, texcoord_const
= 0;
1465 /* Find the first unused slot. */
1466 variant
->drawpix_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1468 if (key
->pixelMaps
) {
1469 unsigned samplers_used
= stfp
->Base
.SamplersUsed
|
1470 (1 << variant
->drawpix_sampler
);
1472 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
1475 if (key
->scaleAndBias
) {
1476 scale_const
= _mesa_add_state_reference(params
, scale_state
);
1477 bias_const
= _mesa_add_state_reference(params
, bias_state
);
1480 texcoord_const
= _mesa_add_state_reference(params
, texcoord_state
);
1482 tokens
= st_get_drawpix_shader(state
.tokens
,
1483 st
->needs_texcoord_semantic
,
1484 key
->scaleAndBias
, scale_const
,
1485 bias_const
, key
->pixelMaps
,
1486 variant
->drawpix_sampler
,
1487 variant
->pixelmap_sampler
,
1488 texcoord_const
, st
->internal_target
);
1491 if (state
.tokens
!= stfp
->state
.tokens
)
1492 tgsi_free_tokens(state
.tokens
);
1493 state
.tokens
= tokens
;
1495 fprintf(stderr
, "mesa: cannot create a shader for glDrawPixels\n");
1498 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
||
1499 key
->external
.lower_xy_uxvx
|| key
->external
.lower_yx_xuxv
)) {
1500 const struct tgsi_token
*tokens
;
1502 /* samplers inserted would conflict, but this should be unpossible: */
1503 assert(!(key
->bitmap
|| key
->drawpixels
));
1505 tokens
= st_tgsi_lower_yuv(state
.tokens
,
1506 ~stfp
->Base
.SamplersUsed
,
1507 key
->external
.lower_nv12
||
1508 key
->external
.lower_xy_uxvx
||
1509 key
->external
.lower_yx_xuxv
,
1510 key
->external
.lower_iyuv
);
1512 if (state
.tokens
!= stfp
->state
.tokens
)
1513 tgsi_free_tokens(state
.tokens
);
1514 state
.tokens
= tokens
;
1516 fprintf(stderr
, "mesa: cannot create a shader for samplerExternalOES\n");
1520 if (key
->lower_depth_clamp
) {
1521 unsigned depth_range_const
= _mesa_add_state_reference(params
, depth_range_state
);
1523 const struct tgsi_token
*tokens
;
1524 tokens
= st_tgsi_lower_depth_clamp_fs(state
.tokens
, depth_range_const
);
1525 if (state
.tokens
!= stfp
->state
.tokens
)
1526 tgsi_free_tokens(state
.tokens
);
1527 state
.tokens
= tokens
;
1530 if (ST_DEBUG
& DEBUG_PRINT_IR
)
1531 tgsi_dump(state
.tokens
, 0);
1533 /* fill in variant */
1534 variant
->base
.driver_shader
= pipe
->create_fs_state(pipe
, &state
);
1535 variant
->key
= *key
;
1537 if (state
.tokens
!= stfp
->state
.tokens
)
1538 tgsi_free_tokens(state
.tokens
);
1543 * Translate fragment program if needed.
1545 struct st_fp_variant
*
1546 st_get_fp_variant(struct st_context
*st
,
1547 struct st_program
*stfp
,
1548 const struct st_fp_variant_key
*key
)
1550 struct st_fp_variant
*fpv
;
1552 /* Search for existing variant */
1553 for (fpv
= st_fp_variant(stfp
->variants
); fpv
;
1554 fpv
= st_fp_variant(fpv
->base
.next
)) {
1555 if (memcmp(&fpv
->key
, key
, sizeof(*key
)) == 0) {
1562 fpv
= st_create_fp_variant(st
, stfp
, key
);
1564 fpv
->base
.st
= key
->st
;
1566 if (key
->bitmap
|| key
->drawpixels
) {
1567 /* Regular variants should always come before the
1568 * bitmap & drawpixels variants, (unless there
1569 * are no regular variants) so that
1570 * st_update_fp can take a fast path when
1571 * shader_has_one_variant is set.
1573 if (!stfp
->variants
) {
1574 stfp
->variants
= &fpv
->base
;
1576 /* insert into list after the first one */
1577 fpv
->base
.next
= stfp
->variants
->next
;
1578 stfp
->variants
->next
= &fpv
->base
;
1581 /* insert into list */
1582 fpv
->base
.next
= stfp
->variants
;
1583 stfp
->variants
= &fpv
->base
;
1592 * Translate a program. This is common code for geometry and tessellation
1596 st_translate_common_program(struct st_context
*st
,
1597 struct st_program
*stp
)
1599 struct gl_program
*prog
= &stp
->Base
;
1600 enum pipe_shader_type stage
=
1601 pipe_shader_type_from_mesa(stp
->Base
.info
.stage
);
1602 struct ureg_program
*ureg
= ureg_create_with_screen(stage
, st
->pipe
->screen
);
1608 case PIPE_SHADER_TESS_CTRL
:
1609 ureg_property(ureg
, TGSI_PROPERTY_TCS_VERTICES_OUT
,
1610 stp
->Base
.info
.tess
.tcs_vertices_out
);
1613 case PIPE_SHADER_TESS_EVAL
:
1614 if (stp
->Base
.info
.tess
.primitive_mode
== GL_ISOLINES
)
1615 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, GL_LINES
);
1617 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
,
1618 stp
->Base
.info
.tess
.primitive_mode
);
1620 STATIC_ASSERT((TESS_SPACING_EQUAL
+ 1) % 3 == PIPE_TESS_SPACING_EQUAL
);
1621 STATIC_ASSERT((TESS_SPACING_FRACTIONAL_ODD
+ 1) % 3 ==
1622 PIPE_TESS_SPACING_FRACTIONAL_ODD
);
1623 STATIC_ASSERT((TESS_SPACING_FRACTIONAL_EVEN
+ 1) % 3 ==
1624 PIPE_TESS_SPACING_FRACTIONAL_EVEN
);
1626 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1627 (stp
->Base
.info
.tess
.spacing
+ 1) % 3);
1629 ureg_property(ureg
, TGSI_PROPERTY_TES_VERTEX_ORDER_CW
,
1630 !stp
->Base
.info
.tess
.ccw
);
1631 ureg_property(ureg
, TGSI_PROPERTY_TES_POINT_MODE
,
1632 stp
->Base
.info
.tess
.point_mode
);
1635 case PIPE_SHADER_GEOMETRY
:
1636 ureg_property(ureg
, TGSI_PROPERTY_GS_INPUT_PRIM
,
1637 stp
->Base
.info
.gs
.input_primitive
);
1638 ureg_property(ureg
, TGSI_PROPERTY_GS_OUTPUT_PRIM
,
1639 stp
->Base
.info
.gs
.output_primitive
);
1640 ureg_property(ureg
, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES
,
1641 stp
->Base
.info
.gs
.vertices_out
);
1642 ureg_property(ureg
, TGSI_PROPERTY_GS_INVOCATIONS
,
1643 stp
->Base
.info
.gs
.invocations
);
1650 ubyte inputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
1651 ubyte inputMapping
[VARYING_SLOT_TESS_MAX
];
1652 ubyte outputMapping
[VARYING_SLOT_TESS_MAX
];
1655 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
1656 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
1657 uint num_inputs
= 0;
1659 ubyte output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
1660 ubyte output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
1661 uint num_outputs
= 0;
1665 memset(inputSlotToAttr
, 0, sizeof(inputSlotToAttr
));
1666 memset(inputMapping
, 0, sizeof(inputMapping
));
1667 memset(outputMapping
, 0, sizeof(outputMapping
));
1668 memset(&stp
->state
, 0, sizeof(stp
->state
));
1670 if (prog
->info
.clip_distance_array_size
)
1671 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
1672 prog
->info
.clip_distance_array_size
);
1673 if (prog
->info
.cull_distance_array_size
)
1674 ureg_property(ureg
, TGSI_PROPERTY_NUM_CULLDIST_ENABLED
,
1675 prog
->info
.cull_distance_array_size
);
1678 * Convert Mesa program inputs to TGSI input register semantics.
1680 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1681 if ((prog
->info
.inputs_read
& BITFIELD64_BIT(attr
)) == 0)
1684 unsigned slot
= num_inputs
++;
1686 inputMapping
[attr
] = slot
;
1687 inputSlotToAttr
[slot
] = attr
;
1689 unsigned semantic_name
, semantic_index
;
1690 tgsi_get_gl_varying_semantic(attr
, st
->needs_texcoord_semantic
,
1691 &semantic_name
, &semantic_index
);
1692 input_semantic_name
[slot
] = semantic_name
;
1693 input_semantic_index
[slot
] = semantic_index
;
1696 /* Also add patch inputs. */
1697 for (attr
= 0; attr
< 32; attr
++) {
1698 if (prog
->info
.patch_inputs_read
& (1u << attr
)) {
1699 GLuint slot
= num_inputs
++;
1700 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1702 inputMapping
[patch_attr
] = slot
;
1703 inputSlotToAttr
[slot
] = patch_attr
;
1704 input_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1705 input_semantic_index
[slot
] = attr
;
1709 /* initialize output semantics to defaults */
1710 for (i
= 0; i
< PIPE_MAX_SHADER_OUTPUTS
; i
++) {
1711 output_semantic_name
[i
] = TGSI_SEMANTIC_GENERIC
;
1712 output_semantic_index
[i
] = 0;
1716 * Determine number of outputs, the (default) output register
1717 * mapping and the semantic information for each output.
1719 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1720 if (prog
->info
.outputs_written
& BITFIELD64_BIT(attr
)) {
1721 GLuint slot
= num_outputs
++;
1723 outputMapping
[attr
] = slot
;
1725 unsigned semantic_name
, semantic_index
;
1726 tgsi_get_gl_varying_semantic(attr
, st
->needs_texcoord_semantic
,
1727 &semantic_name
, &semantic_index
);
1728 output_semantic_name
[slot
] = semantic_name
;
1729 output_semantic_index
[slot
] = semantic_index
;
1733 /* Also add patch outputs. */
1734 for (attr
= 0; attr
< 32; attr
++) {
1735 if (prog
->info
.patch_outputs_written
& (1u << attr
)) {
1736 GLuint slot
= num_outputs
++;
1737 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1739 outputMapping
[patch_attr
] = slot
;
1740 output_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1741 output_semantic_index
[slot
] = attr
;
1745 st_translate_program(st
->ctx
,
1754 input_semantic_name
,
1755 input_semantic_index
,
1760 output_semantic_name
,
1761 output_semantic_index
);
1763 stp
->state
.tokens
= ureg_get_tokens(ureg
, NULL
);
1767 st_translate_stream_output_info(prog
);
1769 st_store_ir_in_disk_cache(st
, prog
, false);
1771 if (ST_DEBUG
& DEBUG_PRINT_IR
&& ST_DEBUG
& DEBUG_MESA
)
1772 _mesa_print_program(prog
);
1774 free_glsl_to_tgsi_visitor(stp
->glsl_to_tgsi
);
1775 stp
->glsl_to_tgsi
= NULL
;
1781 * Get/create a basic program variant.
1784 st_get_common_variant(struct st_context
*st
,
1785 struct st_program
*prog
,
1786 const struct st_common_variant_key
*key
)
1788 struct pipe_context
*pipe
= st
->pipe
;
1789 struct st_variant
*v
;
1790 struct pipe_shader_state state
= {0};
1791 struct gl_program_parameter_list
*params
= prog
->Base
.Parameters
;
1793 /* Search for existing variant */
1794 for (v
= prog
->variants
; v
; v
= v
->next
) {
1795 if (memcmp(&st_common_variant(v
)->key
, key
, sizeof(*key
)) == 0)
1801 v
= (struct st_variant
*)CALLOC_STRUCT(st_common_variant
);
1803 if (prog
->state
.type
== PIPE_SHADER_IR_NIR
) {
1804 bool finalize
= false;
1806 state
.type
= PIPE_SHADER_IR_NIR
;
1807 state
.ir
.nir
= get_nir_shader(st
, prog
);
1809 if (key
->clamp_color
) {
1810 NIR_PASS_V(state
.ir
.nir
, nir_lower_clamp_color_outputs
);
1814 if (key
->lower_ucp
) {
1815 lower_ucp(st
, state
.ir
.nir
, key
->lower_ucp
, params
);
1819 state
.stream_output
= prog
->state
.stream_output
;
1821 if (finalize
|| !st
->allow_st_finalize_nir_twice
) {
1822 st_finalize_nir(st
, &prog
->Base
, prog
->shader_program
,
1823 state
.ir
.nir
, true);
1826 if (ST_DEBUG
& DEBUG_PRINT_IR
)
1827 nir_print_shader(state
.ir
.nir
, stderr
);
1829 if (key
->lower_depth_clamp
) {
1830 struct gl_program_parameter_list
*params
= prog
->Base
.Parameters
;
1832 unsigned depth_range_const
=
1833 _mesa_add_state_reference(params
, depth_range_state
);
1835 const struct tgsi_token
*tokens
;
1837 st_tgsi_lower_depth_clamp(prog
->state
.tokens
,
1839 key
->clip_negative_one_to_one
);
1841 if (tokens
!= prog
->state
.tokens
)
1842 tgsi_free_tokens(prog
->state
.tokens
);
1844 prog
->state
.tokens
= tokens
;
1846 state
= prog
->state
;
1848 if (ST_DEBUG
& DEBUG_PRINT_IR
)
1849 tgsi_dump(state
.tokens
, 0);
1851 /* fill in new variant */
1852 switch (prog
->Base
.info
.stage
) {
1853 case MESA_SHADER_TESS_CTRL
:
1854 v
->driver_shader
= pipe
->create_tcs_state(pipe
, &state
);
1856 case MESA_SHADER_TESS_EVAL
:
1857 v
->driver_shader
= pipe
->create_tes_state(pipe
, &state
);
1859 case MESA_SHADER_GEOMETRY
:
1860 v
->driver_shader
= pipe
->create_gs_state(pipe
, &state
);
1862 case MESA_SHADER_COMPUTE
: {
1863 struct pipe_compute_state cs
= {0};
1864 cs
.ir_type
= state
.type
;
1865 cs
.req_local_mem
= prog
->Base
.info
.cs
.shared_size
;
1867 if (state
.type
== PIPE_SHADER_IR_NIR
)
1868 cs
.prog
= state
.ir
.nir
;
1870 cs
.prog
= state
.tokens
;
1872 v
->driver_shader
= pipe
->create_compute_state(pipe
, &cs
);
1876 assert(!"unhandled shader type");
1881 st_common_variant(v
)->key
= *key
;
1884 /* insert into list */
1885 v
->next
= prog
->variants
;
1895 * Vert/Geom/Frag programs have per-context variants. Free all the
1896 * variants attached to the given program which match the given context.
1899 destroy_program_variants(struct st_context
*st
, struct gl_program
*target
)
1901 if (!target
|| target
== &_mesa_DummyProgram
)
1904 struct st_program
*p
= st_program(target
);
1905 struct st_variant
*v
, **prevPtr
= &p
->variants
;
1906 bool unbound
= false;
1908 for (v
= p
->variants
; v
; ) {
1909 struct st_variant
*next
= v
->next
;
1912 st_unbind_program(st
, p
);
1916 /* unlink from list */
1918 /* destroy this variant */
1919 delete_variant(st
, v
, target
->Target
);
1930 * Callback for _mesa_HashWalk. Free all the shader's program variants
1931 * which match the given context.
1934 destroy_shader_program_variants_cb(GLuint key
, void *data
, void *userData
)
1936 struct st_context
*st
= (struct st_context
*) userData
;
1937 struct gl_shader
*shader
= (struct gl_shader
*) data
;
1939 switch (shader
->Type
) {
1940 case GL_SHADER_PROGRAM_MESA
:
1942 struct gl_shader_program
*shProg
= (struct gl_shader_program
*) data
;
1945 for (i
= 0; i
< ARRAY_SIZE(shProg
->_LinkedShaders
); i
++) {
1946 if (shProg
->_LinkedShaders
[i
])
1947 destroy_program_variants(st
, shProg
->_LinkedShaders
[i
]->Program
);
1951 case GL_VERTEX_SHADER
:
1952 case GL_FRAGMENT_SHADER
:
1953 case GL_GEOMETRY_SHADER
:
1954 case GL_TESS_CONTROL_SHADER
:
1955 case GL_TESS_EVALUATION_SHADER
:
1956 case GL_COMPUTE_SHADER
:
1965 * Callback for _mesa_HashWalk. Free all the program variants which match
1966 * the given context.
1969 destroy_program_variants_cb(GLuint key
, void *data
, void *userData
)
1971 struct st_context
*st
= (struct st_context
*) userData
;
1972 struct gl_program
*program
= (struct gl_program
*) data
;
1973 destroy_program_variants(st
, program
);
1978 * Walk over all shaders and programs to delete any variants which
1979 * belong to the given context.
1980 * This is called during context tear-down.
1983 st_destroy_program_variants(struct st_context
*st
)
1985 /* If shaders can be shared with other contexts, the last context will
1986 * call DeleteProgram on all shaders, releasing everything.
1988 if (st
->has_shareable_shaders
)
1991 /* ARB vert/frag program */
1992 _mesa_HashWalk(st
->ctx
->Shared
->Programs
,
1993 destroy_program_variants_cb
, st
);
1995 /* GLSL vert/frag/geom shaders */
1996 _mesa_HashWalk(st
->ctx
->Shared
->ShaderObjects
,
1997 destroy_shader_program_variants_cb
, st
);
2002 * Compile one shader variant.
2005 st_precompile_shader_variant(struct st_context
*st
,
2006 struct gl_program
*prog
)
2008 switch (prog
->Target
) {
2009 case GL_VERTEX_PROGRAM_ARB
: {
2010 struct st_program
*p
= (struct st_program
*)prog
;
2011 struct st_common_variant_key key
;
2013 memset(&key
, 0, sizeof(key
));
2015 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
2016 st_get_vp_variant(st
, p
, &key
);
2020 case GL_FRAGMENT_PROGRAM_ARB
: {
2021 struct st_program
*p
= (struct st_program
*)prog
;
2022 struct st_fp_variant_key key
;
2024 memset(&key
, 0, sizeof(key
));
2026 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
2027 st_get_fp_variant(st
, p
, &key
);
2031 case GL_TESS_CONTROL_PROGRAM_NV
:
2032 case GL_TESS_EVALUATION_PROGRAM_NV
:
2033 case GL_GEOMETRY_PROGRAM_NV
:
2034 case GL_COMPUTE_PROGRAM_NV
: {
2035 struct st_program
*p
= st_program(prog
);
2036 struct st_common_variant_key key
;
2038 memset(&key
, 0, sizeof(key
));
2040 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
2041 st_get_common_variant(st
, p
, &key
);
2051 st_serialize_nir(struct st_program
*stp
)
2053 if (!stp
->serialized_nir
) {
2058 nir_serialize(&blob
, stp
->Base
.nir
, false);
2059 blob_finish_get_buffer(&blob
, &stp
->serialized_nir
, &size
);
2060 stp
->serialized_nir_size
= size
;
2065 st_finalize_program(struct st_context
*st
, struct gl_program
*prog
)
2067 if (st
->current_program
[prog
->info
.stage
] == prog
) {
2068 if (prog
->info
.stage
== MESA_SHADER_VERTEX
)
2069 st
->dirty
|= ST_NEW_VERTEX_PROGRAM(st
, (struct st_program
*)prog
);
2071 st
->dirty
|= ((struct st_program
*)prog
)->affected_states
;
2075 nir_sweep(prog
->nir
);
2077 /* This is only needed for ARB_vp/fp programs and when the disk cache
2078 * is disabled. If the disk cache is enabled, GLSL programs are
2079 * serialized in write_nir_to_cache.
2081 st_serialize_nir(st_program(prog
));
2084 /* Create Gallium shaders now instead of on demand. */
2085 if (ST_DEBUG
& DEBUG_PRECOMPILE
||
2086 st
->shader_has_one_variant
[prog
->info
.stage
])
2087 st_precompile_shader_variant(st
, prog
);