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 "cso_cache/cso_context.h"
66 * Delete a vertex program variant. Note the caller must unlink
67 * the variant from the linked list.
70 delete_vp_variant(struct st_context
*st
, struct st_vp_variant
*vpv
)
72 if (vpv
->driver_shader
)
73 cso_delete_vertex_shader(st
->cso_context
, vpv
->driver_shader
);
76 draw_delete_vertex_shader( st
->draw
, vpv
->draw_shader
);
78 if (((vpv
->tgsi
.type
== PIPE_SHADER_IR_TGSI
)) && vpv
->tgsi
.tokens
)
79 ureg_free_tokens(vpv
->tgsi
.tokens
);
87 * Clean out any old compilations:
90 st_release_vp_variants( struct st_context
*st
,
91 struct st_vertex_program
*stvp
)
93 struct st_vp_variant
*vpv
;
95 for (vpv
= stvp
->variants
; vpv
; ) {
96 struct st_vp_variant
*next
= vpv
->next
;
97 delete_vp_variant(st
, vpv
);
101 stvp
->variants
= NULL
;
103 if ((stvp
->tgsi
.type
== PIPE_SHADER_IR_TGSI
) && stvp
->tgsi
.tokens
) {
104 tgsi_free_tokens(stvp
->tgsi
.tokens
);
105 stvp
->tgsi
.tokens
= NULL
;
112 * Delete a fragment program variant. Note the caller must unlink
113 * the variant from the linked list.
116 delete_fp_variant(struct st_context
*st
, struct st_fp_variant
*fpv
)
118 if (fpv
->driver_shader
)
119 cso_delete_fragment_shader(st
->cso_context
, fpv
->driver_shader
);
125 * Free all variants of a fragment program.
128 st_release_fp_variants(struct st_context
*st
, struct st_fragment_program
*stfp
)
130 struct st_fp_variant
*fpv
;
132 for (fpv
= stfp
->variants
; fpv
; ) {
133 struct st_fp_variant
*next
= fpv
->next
;
134 delete_fp_variant(st
, fpv
);
138 stfp
->variants
= NULL
;
140 if ((stfp
->tgsi
.type
== PIPE_SHADER_IR_TGSI
) && stfp
->tgsi
.tokens
) {
141 ureg_free_tokens(stfp
->tgsi
.tokens
);
142 stfp
->tgsi
.tokens
= NULL
;
148 * Delete a basic program variant. Note the caller must unlink
149 * the variant from the linked list.
152 delete_basic_variant(struct st_context
*st
, struct st_basic_variant
*v
,
155 if (v
->driver_shader
) {
157 case GL_TESS_CONTROL_PROGRAM_NV
:
158 cso_delete_tessctrl_shader(st
->cso_context
, v
->driver_shader
);
160 case GL_TESS_EVALUATION_PROGRAM_NV
:
161 cso_delete_tesseval_shader(st
->cso_context
, v
->driver_shader
);
163 case GL_GEOMETRY_PROGRAM_NV
:
164 cso_delete_geometry_shader(st
->cso_context
, v
->driver_shader
);
166 case GL_COMPUTE_PROGRAM_NV
:
167 cso_delete_compute_shader(st
->cso_context
, v
->driver_shader
);
170 assert(!"this shouldn't occur");
179 * Free all basic program variants.
182 st_release_basic_variants(struct st_context
*st
, GLenum target
,
183 struct st_basic_variant
**variants
,
184 struct pipe_shader_state
*tgsi
)
186 struct st_basic_variant
*v
;
188 for (v
= *variants
; v
; ) {
189 struct st_basic_variant
*next
= v
->next
;
190 delete_basic_variant(st
, v
, target
);
197 ureg_free_tokens(tgsi
->tokens
);
204 * Free all variants of a compute program.
207 st_release_cp_variants(struct st_context
*st
, struct st_compute_program
*stcp
)
209 struct st_basic_variant
**variants
= &stcp
->variants
;
210 struct st_basic_variant
*v
;
212 for (v
= *variants
; v
; ) {
213 struct st_basic_variant
*next
= v
->next
;
214 delete_basic_variant(st
, v
, stcp
->Base
.Target
);
220 if (stcp
->tgsi
.prog
) {
221 ureg_free_tokens(stcp
->tgsi
.prog
);
222 stcp
->tgsi
.prog
= NULL
;
228 * Translate a vertex program.
231 st_translate_vertex_program(struct st_context
*st
,
232 struct st_vertex_program
*stvp
)
234 struct ureg_program
*ureg
;
235 enum pipe_error error
;
236 unsigned num_outputs
= 0;
238 unsigned input_to_index
[VERT_ATTRIB_MAX
] = {0};
239 unsigned output_slot_to_attr
[VARYING_SLOT_MAX
] = {0};
240 ubyte output_semantic_name
[VARYING_SLOT_MAX
] = {0};
241 ubyte output_semantic_index
[VARYING_SLOT_MAX
] = {0};
243 stvp
->num_inputs
= 0;
245 if (stvp
->Base
.IsPositionInvariant
)
246 _mesa_insert_mvp_code(st
->ctx
, &stvp
->Base
);
249 * Determine number of inputs, the mappings between VERT_ATTRIB_x
250 * and TGSI generic input indexes, plus input attrib semantic info.
252 for (attr
= 0; attr
< VERT_ATTRIB_MAX
; attr
++) {
253 if ((stvp
->Base
.info
.inputs_read
& BITFIELD64_BIT(attr
)) != 0) {
254 input_to_index
[attr
] = stvp
->num_inputs
;
255 stvp
->index_to_input
[stvp
->num_inputs
] = attr
;
257 if ((stvp
->Base
.DoubleInputsRead
& BITFIELD64_BIT(attr
)) != 0) {
258 /* add placeholder for second part of a double attribute */
259 stvp
->index_to_input
[stvp
->num_inputs
] = ST_DOUBLE_ATTRIB_PLACEHOLDER
;
264 /* bit of a hack, presetup potentially unused edgeflag input */
265 input_to_index
[VERT_ATTRIB_EDGEFLAG
] = stvp
->num_inputs
;
266 stvp
->index_to_input
[stvp
->num_inputs
] = VERT_ATTRIB_EDGEFLAG
;
268 /* Compute mapping of vertex program outputs to slots.
270 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
271 if ((stvp
->Base
.OutputsWritten
& BITFIELD64_BIT(attr
)) == 0) {
272 stvp
->result_to_output
[attr
] = ~0;
275 unsigned slot
= num_outputs
++;
277 stvp
->result_to_output
[attr
] = slot
;
278 output_slot_to_attr
[slot
] = attr
;
281 case VARYING_SLOT_POS
:
282 output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
283 output_semantic_index
[slot
] = 0;
285 case VARYING_SLOT_COL0
:
286 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
287 output_semantic_index
[slot
] = 0;
289 case VARYING_SLOT_COL1
:
290 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
291 output_semantic_index
[slot
] = 1;
293 case VARYING_SLOT_BFC0
:
294 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
295 output_semantic_index
[slot
] = 0;
297 case VARYING_SLOT_BFC1
:
298 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
299 output_semantic_index
[slot
] = 1;
301 case VARYING_SLOT_FOGC
:
302 output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
303 output_semantic_index
[slot
] = 0;
305 case VARYING_SLOT_PSIZ
:
306 output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
307 output_semantic_index
[slot
] = 0;
309 case VARYING_SLOT_CLIP_DIST0
:
310 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
311 output_semantic_index
[slot
] = 0;
313 case VARYING_SLOT_CLIP_DIST1
:
314 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
315 output_semantic_index
[slot
] = 1;
317 case VARYING_SLOT_CULL_DIST0
:
318 case VARYING_SLOT_CULL_DIST1
:
319 /* these should have been lowered by GLSL */
322 case VARYING_SLOT_EDGE
:
325 case VARYING_SLOT_CLIP_VERTEX
:
326 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
327 output_semantic_index
[slot
] = 0;
329 case VARYING_SLOT_LAYER
:
330 output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
331 output_semantic_index
[slot
] = 0;
333 case VARYING_SLOT_VIEWPORT
:
334 output_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
335 output_semantic_index
[slot
] = 0;
338 case VARYING_SLOT_TEX0
:
339 case VARYING_SLOT_TEX1
:
340 case VARYING_SLOT_TEX2
:
341 case VARYING_SLOT_TEX3
:
342 case VARYING_SLOT_TEX4
:
343 case VARYING_SLOT_TEX5
:
344 case VARYING_SLOT_TEX6
:
345 case VARYING_SLOT_TEX7
:
346 if (st
->needs_texcoord_semantic
) {
347 output_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
348 output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
352 case VARYING_SLOT_VAR0
:
354 assert(attr
>= VARYING_SLOT_VAR0
||
355 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
356 output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
357 output_semantic_index
[slot
] =
358 st_get_generic_varying_index(st
, attr
);
363 /* similar hack to above, presetup potentially unused edgeflag output */
364 stvp
->result_to_output
[VARYING_SLOT_EDGE
] = num_outputs
;
365 output_semantic_name
[num_outputs
] = TGSI_SEMANTIC_EDGEFLAG
;
366 output_semantic_index
[num_outputs
] = 0;
369 if (!stvp
->glsl_to_tgsi
&& !stvp
->shader_program
) {
370 _mesa_remove_output_reads(&stvp
->Base
, PROGRAM_OUTPUT
);
372 /* This determines which states will be updated when the assembly
375 stvp
->affected_states
= ST_NEW_VS_STATE
|
377 ST_NEW_VERTEX_ARRAYS
;
379 if (stvp
->Base
.Parameters
->NumParameters
)
380 stvp
->affected_states
|= ST_NEW_VS_CONSTANTS
;
382 /* No samplers are allowed in ARB_vp. */
385 if (stvp
->shader_program
) {
386 nir_shader
*nir
= st_glsl_to_nir(st
, &stvp
->Base
, stvp
->shader_program
,
389 stvp
->tgsi
.type
= PIPE_SHADER_IR_NIR
;
390 stvp
->tgsi
.ir
.nir
= nir
;
392 st_translate_stream_output_info2(&stvp
->shader_program
->LinkedTransformFeedback
,
393 stvp
->result_to_output
,
394 &stvp
->tgsi
.stream_output
);
398 ureg
= ureg_create_with_screen(PIPE_SHADER_VERTEX
, st
->pipe
->screen
);
402 if (stvp
->Base
.ClipDistanceArraySize
)
403 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
404 stvp
->Base
.ClipDistanceArraySize
);
405 if (stvp
->Base
.CullDistanceArraySize
)
406 ureg_property(ureg
, TGSI_PROPERTY_NUM_CULLDIST_ENABLED
,
407 stvp
->Base
.CullDistanceArraySize
);
409 if (ST_DEBUG
& DEBUG_MESA
) {
410 _mesa_print_program(&stvp
->Base
);
411 _mesa_print_program_parameters(st
->ctx
, &stvp
->Base
);
415 if (stvp
->glsl_to_tgsi
) {
416 error
= st_translate_program(st
->ctx
,
424 NULL
, /* inputSlotToAttr */
425 NULL
, /* input semantic name */
426 NULL
, /* input semantic index */
427 NULL
, /* interp mode */
430 stvp
->result_to_output
,
432 output_semantic_name
,
433 output_semantic_index
);
435 st_translate_stream_output_info(stvp
->glsl_to_tgsi
,
436 stvp
->result_to_output
,
437 &stvp
->tgsi
.stream_output
);
439 free_glsl_to_tgsi_visitor(stvp
->glsl_to_tgsi
);
440 stvp
->glsl_to_tgsi
= NULL
;
442 error
= st_translate_mesa_program(st
->ctx
,
449 NULL
, /* input semantic name */
450 NULL
, /* input semantic index */
454 stvp
->result_to_output
,
455 output_semantic_name
,
456 output_semantic_index
);
459 debug_printf("%s: failed to translate Mesa program:\n", __func__
);
460 _mesa_print_program(&stvp
->Base
);
465 stvp
->tgsi
.tokens
= ureg_get_tokens(ureg
, NULL
);
467 return stvp
->tgsi
.tokens
!= NULL
;
470 static struct st_vp_variant
*
471 st_create_vp_variant(struct st_context
*st
,
472 struct st_vertex_program
*stvp
,
473 const struct st_vp_variant_key
*key
)
475 struct st_vp_variant
*vpv
= CALLOC_STRUCT(st_vp_variant
);
476 struct pipe_context
*pipe
= st
->pipe
;
479 vpv
->tgsi
.stream_output
= stvp
->tgsi
.stream_output
;
480 vpv
->num_inputs
= stvp
->num_inputs
;
482 if (stvp
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
483 vpv
->tgsi
.type
= PIPE_SHADER_IR_NIR
;
484 vpv
->tgsi
.ir
.nir
= nir_shader_clone(NULL
, stvp
->tgsi
.ir
.nir
);
485 if (key
->clamp_color
)
486 NIR_PASS_V(vpv
->tgsi
.ir
.nir
, nir_lower_clamp_color_outputs
);
487 if (key
->passthrough_edgeflags
)
488 NIR_PASS_V(vpv
->tgsi
.ir
.nir
, nir_lower_passthrough_edgeflags
);
490 st_finalize_nir(st
, &stvp
->Base
, vpv
->tgsi
.ir
.nir
);
492 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
493 /* driver takes ownership of IR: */
494 vpv
->tgsi
.ir
.nir
= NULL
;
498 vpv
->tgsi
.tokens
= tgsi_dup_tokens(stvp
->tgsi
.tokens
);
500 /* Emulate features. */
501 if (key
->clamp_color
|| key
->passthrough_edgeflags
) {
502 const struct tgsi_token
*tokens
;
504 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
505 (key
->passthrough_edgeflags
? TGSI_EMU_PASSTHROUGH_EDGEFLAG
: 0);
507 tokens
= tgsi_emulate(vpv
->tgsi
.tokens
, flags
);
510 tgsi_free_tokens(vpv
->tgsi
.tokens
);
511 vpv
->tgsi
.tokens
= tokens
;
513 if (key
->passthrough_edgeflags
)
516 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
519 if (ST_DEBUG
& DEBUG_TGSI
) {
520 tgsi_dump(vpv
->tgsi
.tokens
, 0);
524 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
530 * Find/create a vertex program variant.
532 struct st_vp_variant
*
533 st_get_vp_variant(struct st_context
*st
,
534 struct st_vertex_program
*stvp
,
535 const struct st_vp_variant_key
*key
)
537 struct st_vp_variant
*vpv
;
539 /* Search for existing variant */
540 for (vpv
= stvp
->variants
; vpv
; vpv
= vpv
->next
) {
541 if (memcmp(&vpv
->key
, key
, sizeof(*key
)) == 0) {
548 vpv
= st_create_vp_variant(st
, stvp
, key
);
550 /* insert into list */
551 vpv
->next
= stvp
->variants
;
552 stvp
->variants
= vpv
;
561 * Translate a Mesa fragment shader into a TGSI shader.
564 st_translate_fragment_program(struct st_context
*st
,
565 struct st_fragment_program
*stfp
)
567 GLuint outputMapping
[2 * FRAG_RESULT_MAX
];
568 GLuint inputMapping
[VARYING_SLOT_MAX
];
569 GLuint inputSlotToAttr
[VARYING_SLOT_MAX
];
570 GLuint interpMode
[PIPE_MAX_SHADER_INPUTS
]; /* XXX size? */
572 GLbitfield64 inputsRead
;
573 struct ureg_program
*ureg
;
575 GLboolean write_all
= GL_FALSE
;
577 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
578 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
579 uint fs_num_inputs
= 0;
581 ubyte fs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
582 ubyte fs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
583 uint fs_num_outputs
= 0;
585 memset(inputSlotToAttr
, ~0, sizeof(inputSlotToAttr
));
587 /* Non-GLSL programs: */
588 if (!stfp
->glsl_to_tgsi
&& !stfp
->shader_program
) {
589 _mesa_remove_output_reads(&stfp
->Base
, PROGRAM_OUTPUT
);
590 if (st
->ctx
->Const
.GLSLFragCoordIsSysVal
)
591 _mesa_program_fragment_position_to_sysval(&stfp
->Base
);
593 /* This determines which states will be updated when the assembly
596 * fragment.position and glDrawPixels always use constants.
598 stfp
->affected_states
= ST_NEW_FS_STATE
|
599 ST_NEW_SAMPLE_SHADING
|
603 /* Just set them for ATI_fs unconditionally. */
604 stfp
->affected_states
|= ST_NEW_FS_SAMPLER_VIEWS
|
605 ST_NEW_RENDER_SAMPLERS
;
608 if (stfp
->Base
.SamplersUsed
)
609 stfp
->affected_states
|= ST_NEW_FS_SAMPLER_VIEWS
|
610 ST_NEW_RENDER_SAMPLERS
;
615 * Convert Mesa program inputs to TGSI input register semantics.
617 inputsRead
= stfp
->Base
.info
.inputs_read
;
618 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
619 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
620 const GLuint slot
= fs_num_inputs
++;
622 inputMapping
[attr
] = slot
;
623 inputSlotToAttr
[slot
] = attr
;
626 case VARYING_SLOT_POS
:
627 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
628 input_semantic_index
[slot
] = 0;
629 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
631 case VARYING_SLOT_COL0
:
632 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
633 input_semantic_index
[slot
] = 0;
634 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
635 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_COLOR
;
637 case VARYING_SLOT_COL1
:
638 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
639 input_semantic_index
[slot
] = 1;
640 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
641 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_COLOR
;
643 case VARYING_SLOT_FOGC
:
644 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
645 input_semantic_index
[slot
] = 0;
646 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
648 case VARYING_SLOT_FACE
:
649 input_semantic_name
[slot
] = TGSI_SEMANTIC_FACE
;
650 input_semantic_index
[slot
] = 0;
651 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
653 case VARYING_SLOT_PRIMITIVE_ID
:
654 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
655 input_semantic_index
[slot
] = 0;
656 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
658 case VARYING_SLOT_LAYER
:
659 input_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
660 input_semantic_index
[slot
] = 0;
661 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
663 case VARYING_SLOT_VIEWPORT
:
664 input_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
665 input_semantic_index
[slot
] = 0;
666 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
668 case VARYING_SLOT_CLIP_DIST0
:
669 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
670 input_semantic_index
[slot
] = 0;
671 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
673 case VARYING_SLOT_CLIP_DIST1
:
674 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
675 input_semantic_index
[slot
] = 1;
676 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
678 case VARYING_SLOT_CULL_DIST0
:
679 case VARYING_SLOT_CULL_DIST1
:
680 /* these should have been lowered by GLSL */
683 /* In most cases, there is nothing special about these
684 * inputs, so adopt a convention to use the generic
685 * semantic name and the mesa VARYING_SLOT_ number as the
688 * All that is required is that the vertex shader labels
689 * its own outputs similarly, and that the vertex shader
690 * generates at least every output required by the
691 * fragment shader plus fixed-function hardware (such as
694 * However, some drivers may need us to identify the PNTC and TEXi
695 * varyings if, for example, their capability to replace them with
696 * sprite coordinates is limited.
698 case VARYING_SLOT_PNTC
:
699 if (st
->needs_texcoord_semantic
) {
700 input_semantic_name
[slot
] = TGSI_SEMANTIC_PCOORD
;
701 input_semantic_index
[slot
] = 0;
702 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
706 case VARYING_SLOT_TEX0
:
707 case VARYING_SLOT_TEX1
:
708 case VARYING_SLOT_TEX2
:
709 case VARYING_SLOT_TEX3
:
710 case VARYING_SLOT_TEX4
:
711 case VARYING_SLOT_TEX5
:
712 case VARYING_SLOT_TEX6
:
713 case VARYING_SLOT_TEX7
:
714 if (st
->needs_texcoord_semantic
) {
715 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
716 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
717 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
718 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_PERSPECTIVE
;
722 case VARYING_SLOT_VAR0
:
724 /* Semantic indices should be zero-based because drivers may choose
725 * to assign a fixed slot determined by that index.
726 * This is useful because ARB_separate_shader_objects uses location
727 * qualifiers for linkage, and if the semantic index corresponds to
728 * these locations, linkage passes in the driver become unecessary.
730 * If needs_texcoord_semantic is true, no semantic indices will be
731 * consumed for the TEXi varyings, and we can base the locations of
732 * the user varyings on VAR0. Otherwise, we use TEX0 as base index.
734 assert(attr
>= VARYING_SLOT_VAR0
|| attr
== VARYING_SLOT_PNTC
||
735 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
736 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
737 input_semantic_index
[slot
] = st_get_generic_varying_index(st
, attr
);
738 if (attr
== VARYING_SLOT_PNTC
)
739 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
741 interpMode
[slot
] = stfp
->glsl_to_tgsi
?
742 TGSI_INTERPOLATE_COUNT
: TGSI_INTERPOLATE_PERSPECTIVE
;
748 inputMapping
[attr
] = -1;
753 * Semantics and mapping for outputs
756 GLbitfield64 outputsWritten
= stfp
->Base
.OutputsWritten
;
758 /* if z is written, emit that first */
759 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
760 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_POSITION
;
761 fs_output_semantic_index
[fs_num_outputs
] = 0;
762 outputMapping
[FRAG_RESULT_DEPTH
] = fs_num_outputs
;
764 outputsWritten
&= ~(1 << FRAG_RESULT_DEPTH
);
767 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_STENCIL
)) {
768 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_STENCIL
;
769 fs_output_semantic_index
[fs_num_outputs
] = 0;
770 outputMapping
[FRAG_RESULT_STENCIL
] = fs_num_outputs
;
772 outputsWritten
&= ~(1 << FRAG_RESULT_STENCIL
);
775 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK
)) {
776 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_SAMPLEMASK
;
777 fs_output_semantic_index
[fs_num_outputs
] = 0;
778 outputMapping
[FRAG_RESULT_SAMPLE_MASK
] = fs_num_outputs
;
780 outputsWritten
&= ~(1 << FRAG_RESULT_SAMPLE_MASK
);
783 /* handle remaining outputs (color) */
784 for (attr
= 0; attr
< ARRAY_SIZE(outputMapping
); attr
++) {
785 const GLbitfield64 written
= attr
< FRAG_RESULT_MAX
? outputsWritten
:
786 stfp
->Base
.SecondaryOutputsWritten
;
787 const unsigned loc
= attr
% FRAG_RESULT_MAX
;
789 if (written
& BITFIELD64_BIT(loc
)) {
791 case FRAG_RESULT_DEPTH
:
792 case FRAG_RESULT_STENCIL
:
793 case FRAG_RESULT_SAMPLE_MASK
:
797 case FRAG_RESULT_COLOR
:
798 write_all
= GL_TRUE
; /* fallthrough */
801 assert(loc
== FRAG_RESULT_COLOR
||
802 (FRAG_RESULT_DATA0
<= loc
&& loc
< FRAG_RESULT_MAX
));
804 index
= (loc
== FRAG_RESULT_COLOR
) ? 0 : (loc
- FRAG_RESULT_DATA0
);
806 if (attr
>= FRAG_RESULT_MAX
) {
807 /* Secondary color for dual source blending. */
812 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_COLOR
;
813 fs_output_semantic_index
[fs_num_outputs
] = index
;
814 outputMapping
[attr
] = fs_num_outputs
;
824 if (stfp
->shader_program
) {
825 nir_shader
*nir
= st_glsl_to_nir(st
, &stfp
->Base
, stfp
->shader_program
,
826 MESA_SHADER_FRAGMENT
);
828 stfp
->tgsi
.type
= PIPE_SHADER_IR_NIR
;
829 stfp
->tgsi
.ir
.nir
= nir
;
834 ureg
= ureg_create_with_screen(PIPE_SHADER_FRAGMENT
, st
->pipe
->screen
);
838 if (ST_DEBUG
& DEBUG_MESA
) {
839 _mesa_print_program(&stfp
->Base
);
840 _mesa_print_program_parameters(st
->ctx
, &stfp
->Base
);
843 if (write_all
== GL_TRUE
)
844 ureg_property(ureg
, TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS
, 1);
846 if (stfp
->Base
.info
.fs
.depth_layout
!= FRAG_DEPTH_LAYOUT_NONE
) {
847 switch (stfp
->Base
.info
.fs
.depth_layout
) {
848 case FRAG_DEPTH_LAYOUT_ANY
:
849 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
850 TGSI_FS_DEPTH_LAYOUT_ANY
);
852 case FRAG_DEPTH_LAYOUT_GREATER
:
853 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
854 TGSI_FS_DEPTH_LAYOUT_GREATER
);
856 case FRAG_DEPTH_LAYOUT_LESS
:
857 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
858 TGSI_FS_DEPTH_LAYOUT_LESS
);
860 case FRAG_DEPTH_LAYOUT_UNCHANGED
:
861 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
862 TGSI_FS_DEPTH_LAYOUT_UNCHANGED
);
869 if (stfp
->glsl_to_tgsi
) {
870 st_translate_program(st
->ctx
,
871 PIPE_SHADER_FRAGMENT
,
880 input_semantic_index
,
886 fs_output_semantic_name
,
887 fs_output_semantic_index
);
889 free_glsl_to_tgsi_visitor(stfp
->glsl_to_tgsi
);
890 stfp
->glsl_to_tgsi
= NULL
;
891 } else if (stfp
->ati_fs
)
892 st_translate_atifs_program(ureg
,
899 input_semantic_index
,
904 fs_output_semantic_name
,
905 fs_output_semantic_index
);
907 st_translate_mesa_program(st
->ctx
,
908 PIPE_SHADER_FRAGMENT
,
915 input_semantic_index
,
920 fs_output_semantic_name
,
921 fs_output_semantic_index
);
923 stfp
->tgsi
.tokens
= ureg_get_tokens(ureg
, NULL
);
925 return stfp
->tgsi
.tokens
!= NULL
;
928 static struct st_fp_variant
*
929 st_create_fp_variant(struct st_context
*st
,
930 struct st_fragment_program
*stfp
,
931 const struct st_fp_variant_key
*key
)
933 struct pipe_context
*pipe
= st
->pipe
;
934 struct st_fp_variant
*variant
= CALLOC_STRUCT(st_fp_variant
);
935 struct pipe_shader_state tgsi
= {0};
936 struct gl_program_parameter_list
*params
= stfp
->Base
.Parameters
;
937 static const gl_state_index texcoord_state
[STATE_LENGTH
] =
938 { STATE_INTERNAL
, STATE_CURRENT_ATTRIB
, VERT_ATTRIB_TEX0
};
939 static const gl_state_index scale_state
[STATE_LENGTH
] =
940 { STATE_INTERNAL
, STATE_PT_SCALE
};
941 static const gl_state_index bias_state
[STATE_LENGTH
] =
942 { STATE_INTERNAL
, STATE_PT_BIAS
};
947 if (stfp
->tgsi
.type
== PIPE_SHADER_IR_NIR
) {
948 tgsi
.type
= PIPE_SHADER_IR_NIR
;
949 tgsi
.ir
.nir
= nir_shader_clone(NULL
, stfp
->tgsi
.ir
.nir
);
951 if (key
->clamp_color
)
952 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_clamp_color_outputs
);
954 if (key
->persample_shading
) {
955 nir_shader
*shader
= tgsi
.ir
.nir
;
956 nir_foreach_variable(var
, &shader
->inputs
)
957 var
->data
.sample
= true;
960 assert(!(key
->bitmap
&& key
->drawpixels
));
964 nir_lower_bitmap_options options
= {0};
966 variant
->bitmap_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
967 options
.sampler
= variant
->bitmap_sampler
;
968 options
.swizzle_xxxx
= (st
->bitmap
.tex_format
== PIPE_FORMAT_L8_UNORM
);
970 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_bitmap
, &options
);
973 /* glDrawPixels (color only) */
974 if (key
->drawpixels
) {
975 nir_lower_drawpixels_options options
= {{0}};
976 unsigned samplers_used
= stfp
->Base
.SamplersUsed
;
978 /* Find the first unused slot. */
979 variant
->drawpix_sampler
= ffs(~samplers_used
) - 1;
980 options
.drawpix_sampler
= variant
->drawpix_sampler
;
981 samplers_used
|= (1 << variant
->drawpix_sampler
);
983 options
.pixel_maps
= key
->pixelMaps
;
984 if (key
->pixelMaps
) {
985 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
986 options
.pixelmap_sampler
= variant
->pixelmap_sampler
;
989 options
.scale_and_bias
= key
->scaleAndBias
;
990 if (key
->scaleAndBias
) {
991 _mesa_add_state_reference(params
, scale_state
);
992 memcpy(options
.scale_state_tokens
, scale_state
,
993 sizeof(options
.scale_state_tokens
));
994 _mesa_add_state_reference(params
, bias_state
);
995 memcpy(options
.bias_state_tokens
, bias_state
,
996 sizeof(options
.bias_state_tokens
));
999 _mesa_add_state_reference(params
, texcoord_state
);
1000 memcpy(options
.texcoord_state_tokens
, texcoord_state
,
1001 sizeof(options
.texcoord_state_tokens
));
1003 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_drawpixels
, &options
);
1006 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1007 nir_lower_tex_options options
= {0};
1008 options
.lower_y_uv_external
= key
->external
.lower_nv12
;
1009 options
.lower_y_u_v_external
= key
->external
.lower_iyuv
;
1010 NIR_PASS_V(tgsi
.ir
.nir
, nir_lower_tex
, &options
);
1013 st_finalize_nir(st
, &stfp
->Base
, tgsi
.ir
.nir
);
1015 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1016 /* This pass needs to happen *after* nir_lower_sampler */
1017 NIR_PASS_V(tgsi
.ir
.nir
, st_nir_lower_tex_src_plane
,
1018 ~stfp
->Base
.SamplersUsed
,
1019 key
->external
.lower_nv12
,
1020 key
->external
.lower_iyuv
);
1023 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
1024 variant
->key
= *key
;
1029 tgsi
.tokens
= stfp
->tgsi
.tokens
;
1031 assert(!(key
->bitmap
&& key
->drawpixels
));
1033 /* Fix texture targets and add fog for ATI_fs */
1035 const struct tgsi_token
*tokens
= st_fixup_atifs(tgsi
.tokens
, key
);
1038 tgsi
.tokens
= tokens
;
1040 fprintf(stderr
, "mesa: cannot post-process ATI_fs\n");
1043 /* Emulate features. */
1044 if (key
->clamp_color
|| key
->persample_shading
) {
1045 const struct tgsi_token
*tokens
;
1047 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
1048 (key
->persample_shading
? TGSI_EMU_FORCE_PERSAMPLE_INTERP
: 0);
1050 tokens
= tgsi_emulate(tgsi
.tokens
, flags
);
1053 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1054 tgsi_free_tokens(tgsi
.tokens
);
1055 tgsi
.tokens
= tokens
;
1057 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
1062 const struct tgsi_token
*tokens
;
1064 variant
->bitmap_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1066 tokens
= st_get_bitmap_shader(tgsi
.tokens
,
1067 st
->internal_target
,
1068 variant
->bitmap_sampler
,
1069 st
->needs_texcoord_semantic
,
1070 st
->bitmap
.tex_format
==
1071 PIPE_FORMAT_L8_UNORM
);
1074 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1075 tgsi_free_tokens(tgsi
.tokens
);
1076 tgsi
.tokens
= tokens
;
1078 fprintf(stderr
, "mesa: cannot create a shader for glBitmap\n");
1081 /* glDrawPixels (color only) */
1082 if (key
->drawpixels
) {
1083 const struct tgsi_token
*tokens
;
1084 unsigned scale_const
= 0, bias_const
= 0, texcoord_const
= 0;
1086 /* Find the first unused slot. */
1087 variant
->drawpix_sampler
= ffs(~stfp
->Base
.SamplersUsed
) - 1;
1089 if (key
->pixelMaps
) {
1090 unsigned samplers_used
= stfp
->Base
.SamplersUsed
|
1091 (1 << variant
->drawpix_sampler
);
1093 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
1096 if (key
->scaleAndBias
) {
1097 scale_const
= _mesa_add_state_reference(params
, scale_state
);
1098 bias_const
= _mesa_add_state_reference(params
, bias_state
);
1101 texcoord_const
= _mesa_add_state_reference(params
, texcoord_state
);
1103 tokens
= st_get_drawpix_shader(tgsi
.tokens
,
1104 st
->needs_texcoord_semantic
,
1105 key
->scaleAndBias
, scale_const
,
1106 bias_const
, key
->pixelMaps
,
1107 variant
->drawpix_sampler
,
1108 variant
->pixelmap_sampler
,
1109 texcoord_const
, st
->internal_target
);
1112 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1113 tgsi_free_tokens(tgsi
.tokens
);
1114 tgsi
.tokens
= tokens
;
1116 fprintf(stderr
, "mesa: cannot create a shader for glDrawPixels\n");
1119 if (unlikely(key
->external
.lower_nv12
|| key
->external
.lower_iyuv
)) {
1120 const struct tgsi_token
*tokens
;
1122 /* samplers inserted would conflict, but this should be unpossible: */
1123 assert(!(key
->bitmap
|| key
->drawpixels
));
1125 tokens
= st_tgsi_lower_yuv(tgsi
.tokens
,
1126 ~stfp
->Base
.SamplersUsed
,
1127 key
->external
.lower_nv12
,
1128 key
->external
.lower_iyuv
);
1130 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1131 tgsi_free_tokens(tgsi
.tokens
);
1132 tgsi
.tokens
= tokens
;
1134 fprintf(stderr
, "mesa: cannot create a shader for samplerExternalOES\n");
1138 if (ST_DEBUG
& DEBUG_TGSI
) {
1139 tgsi_dump(tgsi
.tokens
, 0);
1143 /* fill in variant */
1144 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
1145 variant
->key
= *key
;
1147 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
1148 tgsi_free_tokens(tgsi
.tokens
);
1153 * Translate fragment program if needed.
1155 struct st_fp_variant
*
1156 st_get_fp_variant(struct st_context
*st
,
1157 struct st_fragment_program
*stfp
,
1158 const struct st_fp_variant_key
*key
)
1160 struct st_fp_variant
*fpv
;
1162 /* Search for existing variant */
1163 for (fpv
= stfp
->variants
; fpv
; fpv
= fpv
->next
) {
1164 if (memcmp(&fpv
->key
, key
, sizeof(*key
)) == 0) {
1171 fpv
= st_create_fp_variant(st
, stfp
, key
);
1173 /* insert into list */
1174 fpv
->next
= stfp
->variants
;
1175 stfp
->variants
= fpv
;
1184 * Translate a program. This is common code for geometry and tessellation
1188 st_translate_program_common(struct st_context
*st
,
1189 struct gl_program
*prog
,
1190 struct glsl_to_tgsi_visitor
*glsl_to_tgsi
,
1191 struct ureg_program
*ureg
,
1192 unsigned tgsi_processor
,
1193 struct pipe_shader_state
*out_state
)
1195 GLuint inputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
1196 GLuint inputMapping
[VARYING_SLOT_TESS_MAX
];
1197 GLuint outputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
1198 GLuint outputMapping
[VARYING_SLOT_TESS_MAX
];
1201 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
1202 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
1203 uint num_inputs
= 0;
1205 ubyte output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
1206 ubyte output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
1207 uint num_outputs
= 0;
1211 memset(inputSlotToAttr
, 0, sizeof(inputSlotToAttr
));
1212 memset(inputMapping
, 0, sizeof(inputMapping
));
1213 memset(outputSlotToAttr
, 0, sizeof(outputSlotToAttr
));
1214 memset(outputMapping
, 0, sizeof(outputMapping
));
1215 memset(out_state
, 0, sizeof(*out_state
));
1217 if (prog
->ClipDistanceArraySize
)
1218 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
1219 prog
->ClipDistanceArraySize
);
1220 if (prog
->CullDistanceArraySize
)
1221 ureg_property(ureg
, TGSI_PROPERTY_NUM_CULLDIST_ENABLED
,
1222 prog
->CullDistanceArraySize
);
1225 * Convert Mesa program inputs to TGSI input register semantics.
1227 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1228 if ((prog
->info
.inputs_read
& BITFIELD64_BIT(attr
)) != 0) {
1229 const GLuint slot
= num_inputs
++;
1231 inputMapping
[attr
] = slot
;
1232 inputSlotToAttr
[slot
] = attr
;
1235 case VARYING_SLOT_PRIMITIVE_ID
:
1236 assert(tgsi_processor
== PIPE_SHADER_GEOMETRY
);
1237 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
1238 input_semantic_index
[slot
] = 0;
1240 case VARYING_SLOT_POS
:
1241 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
1242 input_semantic_index
[slot
] = 0;
1244 case VARYING_SLOT_COL0
:
1245 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1246 input_semantic_index
[slot
] = 0;
1248 case VARYING_SLOT_COL1
:
1249 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1250 input_semantic_index
[slot
] = 1;
1252 case VARYING_SLOT_FOGC
:
1253 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1254 input_semantic_index
[slot
] = 0;
1256 case VARYING_SLOT_CLIP_VERTEX
:
1257 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1258 input_semantic_index
[slot
] = 0;
1260 case VARYING_SLOT_CLIP_DIST0
:
1261 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1262 input_semantic_index
[slot
] = 0;
1264 case VARYING_SLOT_CLIP_DIST1
:
1265 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1266 input_semantic_index
[slot
] = 1;
1268 case VARYING_SLOT_CULL_DIST0
:
1269 case VARYING_SLOT_CULL_DIST1
:
1270 /* these should have been lowered by GLSL */
1273 case VARYING_SLOT_PSIZ
:
1274 input_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1275 input_semantic_index
[slot
] = 0;
1277 case VARYING_SLOT_TEX0
:
1278 case VARYING_SLOT_TEX1
:
1279 case VARYING_SLOT_TEX2
:
1280 case VARYING_SLOT_TEX3
:
1281 case VARYING_SLOT_TEX4
:
1282 case VARYING_SLOT_TEX5
:
1283 case VARYING_SLOT_TEX6
:
1284 case VARYING_SLOT_TEX7
:
1285 if (st
->needs_texcoord_semantic
) {
1286 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1287 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1291 case VARYING_SLOT_VAR0
:
1293 assert(attr
>= VARYING_SLOT_VAR0
||
1294 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1295 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1296 input_semantic_index
[slot
] =
1297 st_get_generic_varying_index(st
, attr
);
1303 /* Also add patch inputs. */
1304 for (attr
= 0; attr
< 32; attr
++) {
1305 if (prog
->PatchInputsRead
& (1u << attr
)) {
1306 GLuint slot
= num_inputs
++;
1307 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1309 inputMapping
[patch_attr
] = slot
;
1310 inputSlotToAttr
[slot
] = patch_attr
;
1311 input_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1312 input_semantic_index
[slot
] = attr
;
1316 /* initialize output semantics to defaults */
1317 for (i
= 0; i
< PIPE_MAX_SHADER_OUTPUTS
; i
++) {
1318 output_semantic_name
[i
] = TGSI_SEMANTIC_GENERIC
;
1319 output_semantic_index
[i
] = 0;
1323 * Determine number of outputs, the (default) output register
1324 * mapping and the semantic information for each output.
1326 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1327 if (prog
->OutputsWritten
& BITFIELD64_BIT(attr
)) {
1328 GLuint slot
= num_outputs
++;
1330 outputMapping
[attr
] = slot
;
1331 outputSlotToAttr
[slot
] = attr
;
1334 case VARYING_SLOT_POS
:
1336 output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
1337 output_semantic_index
[slot
] = 0;
1339 case VARYING_SLOT_COL0
:
1340 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1341 output_semantic_index
[slot
] = 0;
1343 case VARYING_SLOT_COL1
:
1344 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1345 output_semantic_index
[slot
] = 1;
1347 case VARYING_SLOT_BFC0
:
1348 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1349 output_semantic_index
[slot
] = 0;
1351 case VARYING_SLOT_BFC1
:
1352 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1353 output_semantic_index
[slot
] = 1;
1355 case VARYING_SLOT_FOGC
:
1356 output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1357 output_semantic_index
[slot
] = 0;
1359 case VARYING_SLOT_PSIZ
:
1360 output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1361 output_semantic_index
[slot
] = 0;
1363 case VARYING_SLOT_CLIP_VERTEX
:
1364 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1365 output_semantic_index
[slot
] = 0;
1367 case VARYING_SLOT_CLIP_DIST0
:
1368 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1369 output_semantic_index
[slot
] = 0;
1371 case VARYING_SLOT_CLIP_DIST1
:
1372 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1373 output_semantic_index
[slot
] = 1;
1375 case VARYING_SLOT_CULL_DIST0
:
1376 case VARYING_SLOT_CULL_DIST1
:
1377 /* these should have been lowered by GLSL */
1380 case VARYING_SLOT_LAYER
:
1381 output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
1382 output_semantic_index
[slot
] = 0;
1384 case VARYING_SLOT_PRIMITIVE_ID
:
1385 output_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
1386 output_semantic_index
[slot
] = 0;
1388 case VARYING_SLOT_VIEWPORT
:
1389 output_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
1390 output_semantic_index
[slot
] = 0;
1392 case VARYING_SLOT_TESS_LEVEL_OUTER
:
1393 output_semantic_name
[slot
] = TGSI_SEMANTIC_TESSOUTER
;
1394 output_semantic_index
[slot
] = 0;
1396 case VARYING_SLOT_TESS_LEVEL_INNER
:
1397 output_semantic_name
[slot
] = TGSI_SEMANTIC_TESSINNER
;
1398 output_semantic_index
[slot
] = 0;
1400 case VARYING_SLOT_TEX0
:
1401 case VARYING_SLOT_TEX1
:
1402 case VARYING_SLOT_TEX2
:
1403 case VARYING_SLOT_TEX3
:
1404 case VARYING_SLOT_TEX4
:
1405 case VARYING_SLOT_TEX5
:
1406 case VARYING_SLOT_TEX6
:
1407 case VARYING_SLOT_TEX7
:
1408 if (st
->needs_texcoord_semantic
) {
1409 output_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1410 output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1414 case VARYING_SLOT_VAR0
:
1416 assert(slot
< ARRAY_SIZE(output_semantic_name
));
1417 assert(attr
>= VARYING_SLOT_VAR0
||
1418 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1419 output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1420 output_semantic_index
[slot
] =
1421 st_get_generic_varying_index(st
, attr
);
1427 /* Also add patch outputs. */
1428 for (attr
= 0; attr
< 32; attr
++) {
1429 if (prog
->PatchOutputsWritten
& (1u << attr
)) {
1430 GLuint slot
= num_outputs
++;
1431 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1433 outputMapping
[patch_attr
] = slot
;
1434 outputSlotToAttr
[slot
] = patch_attr
;
1435 output_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1436 output_semantic_index
[slot
] = attr
;
1440 st_translate_program(st
->ctx
,
1449 input_semantic_name
,
1450 input_semantic_index
,
1456 output_semantic_name
,
1457 output_semantic_index
);
1459 out_state
->tokens
= ureg_get_tokens(ureg
, NULL
);
1462 st_translate_stream_output_info(glsl_to_tgsi
,
1464 &out_state
->stream_output
);
1466 if ((ST_DEBUG
& DEBUG_TGSI
) && (ST_DEBUG
& DEBUG_MESA
)) {
1467 _mesa_print_program(prog
);
1471 if (ST_DEBUG
& DEBUG_TGSI
) {
1472 tgsi_dump(out_state
->tokens
, 0);
1479 * Translate a geometry program to create a new variant.
1482 st_translate_geometry_program(struct st_context
*st
,
1483 struct st_geometry_program
*stgp
)
1485 struct ureg_program
*ureg
;
1487 ureg
= ureg_create_with_screen(PIPE_SHADER_GEOMETRY
, st
->pipe
->screen
);
1491 ureg_property(ureg
, TGSI_PROPERTY_GS_INPUT_PRIM
,
1492 stgp
->Base
.info
.gs
.input_primitive
);
1493 ureg_property(ureg
, TGSI_PROPERTY_GS_OUTPUT_PRIM
,
1494 stgp
->Base
.info
.gs
.output_primitive
);
1495 ureg_property(ureg
, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES
,
1496 stgp
->Base
.info
.gs
.vertices_out
);
1497 ureg_property(ureg
, TGSI_PROPERTY_GS_INVOCATIONS
,
1498 stgp
->Base
.info
.gs
.invocations
);
1500 st_translate_program_common(st
, &stgp
->Base
, stgp
->glsl_to_tgsi
, ureg
,
1501 PIPE_SHADER_GEOMETRY
, &stgp
->tgsi
);
1503 free_glsl_to_tgsi_visitor(stgp
->glsl_to_tgsi
);
1504 stgp
->glsl_to_tgsi
= NULL
;
1510 * Get/create a basic program variant.
1512 struct st_basic_variant
*
1513 st_get_basic_variant(struct st_context
*st
,
1514 unsigned pipe_shader
,
1515 struct pipe_shader_state
*tgsi
,
1516 struct st_basic_variant
**variants
)
1518 struct pipe_context
*pipe
= st
->pipe
;
1519 struct st_basic_variant
*v
;
1520 struct st_basic_variant_key key
;
1522 memset(&key
, 0, sizeof(key
));
1523 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1525 /* Search for existing variant */
1526 for (v
= *variants
; v
; v
= v
->next
) {
1527 if (memcmp(&v
->key
, &key
, sizeof(key
)) == 0) {
1534 v
= CALLOC_STRUCT(st_basic_variant
);
1536 /* fill in new variant */
1537 switch (pipe_shader
) {
1538 case PIPE_SHADER_TESS_CTRL
:
1539 v
->driver_shader
= pipe
->create_tcs_state(pipe
, tgsi
);
1541 case PIPE_SHADER_TESS_EVAL
:
1542 v
->driver_shader
= pipe
->create_tes_state(pipe
, tgsi
);
1544 case PIPE_SHADER_GEOMETRY
:
1545 v
->driver_shader
= pipe
->create_gs_state(pipe
, tgsi
);
1548 assert(!"unhandled shader type");
1555 /* insert into list */
1556 v
->next
= *variants
;
1566 * Translate a tessellation control program to create a new variant.
1569 st_translate_tessctrl_program(struct st_context
*st
,
1570 struct st_tessctrl_program
*sttcp
)
1572 struct ureg_program
*ureg
;
1574 ureg
= ureg_create_with_screen(PIPE_SHADER_TESS_CTRL
, st
->pipe
->screen
);
1578 ureg_property(ureg
, TGSI_PROPERTY_TCS_VERTICES_OUT
,
1579 sttcp
->Base
.info
.tcs
.vertices_out
);
1581 st_translate_program_common(st
, &sttcp
->Base
, sttcp
->glsl_to_tgsi
, ureg
,
1582 PIPE_SHADER_TESS_CTRL
, &sttcp
->tgsi
);
1584 free_glsl_to_tgsi_visitor(sttcp
->glsl_to_tgsi
);
1585 sttcp
->glsl_to_tgsi
= NULL
;
1591 * Translate a tessellation evaluation program to create a new variant.
1594 st_translate_tesseval_program(struct st_context
*st
,
1595 struct st_tesseval_program
*sttep
)
1597 struct ureg_program
*ureg
;
1599 ureg
= ureg_create_with_screen(PIPE_SHADER_TESS_EVAL
, st
->pipe
->screen
);
1603 if (sttep
->Base
.info
.tes
.primitive_mode
== GL_ISOLINES
)
1604 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, GL_LINES
);
1606 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
,
1607 sttep
->Base
.info
.tes
.primitive_mode
);
1609 switch (sttep
->Base
.info
.tes
.spacing
) {
1611 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
, PIPE_TESS_SPACING_EQUAL
);
1613 case GL_FRACTIONAL_EVEN
:
1614 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1615 PIPE_TESS_SPACING_FRACTIONAL_EVEN
);
1617 case GL_FRACTIONAL_ODD
:
1618 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1619 PIPE_TESS_SPACING_FRACTIONAL_ODD
);
1625 ureg_property(ureg
, TGSI_PROPERTY_TES_VERTEX_ORDER_CW
,
1626 sttep
->Base
.info
.tes
.vertex_order
== GL_CW
);
1627 ureg_property(ureg
, TGSI_PROPERTY_TES_POINT_MODE
,
1628 sttep
->Base
.info
.tes
.point_mode
);
1630 st_translate_program_common(st
, &sttep
->Base
, sttep
->glsl_to_tgsi
,
1631 ureg
, PIPE_SHADER_TESS_EVAL
, &sttep
->tgsi
);
1633 free_glsl_to_tgsi_visitor(sttep
->glsl_to_tgsi
);
1634 sttep
->glsl_to_tgsi
= NULL
;
1640 * Translate a compute program to create a new variant.
1643 st_translate_compute_program(struct st_context
*st
,
1644 struct st_compute_program
*stcp
)
1646 struct ureg_program
*ureg
;
1647 struct pipe_shader_state prog
;
1649 ureg
= ureg_create_with_screen(PIPE_SHADER_COMPUTE
, st
->pipe
->screen
);
1653 st_translate_program_common(st
, &stcp
->Base
, stcp
->glsl_to_tgsi
, ureg
,
1654 PIPE_SHADER_COMPUTE
, &prog
);
1656 stcp
->tgsi
.ir_type
= PIPE_SHADER_IR_TGSI
;
1657 stcp
->tgsi
.prog
= prog
.tokens
;
1658 stcp
->tgsi
.req_local_mem
= stcp
->Base
.info
.cs
.shared_size
;
1659 stcp
->tgsi
.req_private_mem
= 0;
1660 stcp
->tgsi
.req_input_mem
= 0;
1662 free_glsl_to_tgsi_visitor(stcp
->glsl_to_tgsi
);
1663 stcp
->glsl_to_tgsi
= NULL
;
1669 * Get/create compute program variant.
1671 struct st_basic_variant
*
1672 st_get_cp_variant(struct st_context
*st
,
1673 struct pipe_compute_state
*tgsi
,
1674 struct st_basic_variant
**variants
)
1676 struct pipe_context
*pipe
= st
->pipe
;
1677 struct st_basic_variant
*v
;
1678 struct st_basic_variant_key key
;
1680 memset(&key
, 0, sizeof(key
));
1681 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1683 /* Search for existing variant */
1684 for (v
= *variants
; v
; v
= v
->next
) {
1685 if (memcmp(&v
->key
, &key
, sizeof(key
)) == 0) {
1692 v
= CALLOC_STRUCT(st_basic_variant
);
1694 /* fill in new variant */
1695 v
->driver_shader
= pipe
->create_compute_state(pipe
, tgsi
);
1698 /* insert into list */
1699 v
->next
= *variants
;
1709 * Vert/Geom/Frag programs have per-context variants. Free all the
1710 * variants attached to the given program which match the given context.
1713 destroy_program_variants(struct st_context
*st
, struct gl_program
*target
)
1715 if (!target
|| target
== &_mesa_DummyProgram
)
1718 switch (target
->Target
) {
1719 case GL_VERTEX_PROGRAM_ARB
:
1721 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) target
;
1722 struct st_vp_variant
*vpv
, **prevPtr
= &stvp
->variants
;
1724 for (vpv
= stvp
->variants
; vpv
; ) {
1725 struct st_vp_variant
*next
= vpv
->next
;
1726 if (vpv
->key
.st
== st
) {
1727 /* unlink from list */
1729 /* destroy this variant */
1730 delete_vp_variant(st
, vpv
);
1733 prevPtr
= &vpv
->next
;
1739 case GL_FRAGMENT_PROGRAM_ARB
:
1741 struct st_fragment_program
*stfp
=
1742 (struct st_fragment_program
*) target
;
1743 struct st_fp_variant
*fpv
, **prevPtr
= &stfp
->variants
;
1745 for (fpv
= stfp
->variants
; fpv
; ) {
1746 struct st_fp_variant
*next
= fpv
->next
;
1747 if (fpv
->key
.st
== st
) {
1748 /* unlink from list */
1750 /* destroy this variant */
1751 delete_fp_variant(st
, fpv
);
1754 prevPtr
= &fpv
->next
;
1760 case GL_GEOMETRY_PROGRAM_NV
:
1761 case GL_TESS_CONTROL_PROGRAM_NV
:
1762 case GL_TESS_EVALUATION_PROGRAM_NV
:
1763 case GL_COMPUTE_PROGRAM_NV
:
1765 struct st_geometry_program
*gp
= (struct st_geometry_program
*)target
;
1766 struct st_tessctrl_program
*tcp
= (struct st_tessctrl_program
*)target
;
1767 struct st_tesseval_program
*tep
= (struct st_tesseval_program
*)target
;
1768 struct st_compute_program
*cp
= (struct st_compute_program
*)target
;
1769 struct st_basic_variant
**variants
=
1770 target
->Target
== GL_GEOMETRY_PROGRAM_NV
? &gp
->variants
:
1771 target
->Target
== GL_TESS_CONTROL_PROGRAM_NV
? &tcp
->variants
:
1772 target
->Target
== GL_TESS_EVALUATION_PROGRAM_NV
? &tep
->variants
:
1773 target
->Target
== GL_COMPUTE_PROGRAM_NV
? &cp
->variants
:
1775 struct st_basic_variant
*v
, **prevPtr
= variants
;
1777 for (v
= *variants
; v
; ) {
1778 struct st_basic_variant
*next
= v
->next
;
1779 if (v
->key
.st
== st
) {
1780 /* unlink from list */
1782 /* destroy this variant */
1783 delete_basic_variant(st
, v
, target
->Target
);
1793 _mesa_problem(NULL
, "Unexpected program target 0x%x in "
1794 "destroy_program_variants_cb()", target
->Target
);
1800 * Callback for _mesa_HashWalk. Free all the shader's program variants
1801 * which match the given context.
1804 destroy_shader_program_variants_cb(GLuint key
, void *data
, void *userData
)
1806 struct st_context
*st
= (struct st_context
*) userData
;
1807 struct gl_shader
*shader
= (struct gl_shader
*) data
;
1809 switch (shader
->Type
) {
1810 case GL_SHADER_PROGRAM_MESA
:
1812 struct gl_shader_program
*shProg
= (struct gl_shader_program
*) data
;
1815 for (i
= 0; i
< ARRAY_SIZE(shProg
->_LinkedShaders
); i
++) {
1816 if (shProg
->_LinkedShaders
[i
])
1817 destroy_program_variants(st
, shProg
->_LinkedShaders
[i
]->Program
);
1821 case GL_VERTEX_SHADER
:
1822 case GL_FRAGMENT_SHADER
:
1823 case GL_GEOMETRY_SHADER
:
1824 case GL_TESS_CONTROL_SHADER
:
1825 case GL_TESS_EVALUATION_SHADER
:
1826 case GL_COMPUTE_SHADER
:
1835 * Callback for _mesa_HashWalk. Free all the program variants which match
1836 * the given context.
1839 destroy_program_variants_cb(GLuint key
, void *data
, void *userData
)
1841 struct st_context
*st
= (struct st_context
*) userData
;
1842 struct gl_program
*program
= (struct gl_program
*) data
;
1843 destroy_program_variants(st
, program
);
1848 * Walk over all shaders and programs to delete any variants which
1849 * belong to the given context.
1850 * This is called during context tear-down.
1853 st_destroy_program_variants(struct st_context
*st
)
1855 /* If shaders can be shared with other contexts, the last context will
1856 * call DeleteProgram on all shaders, releasing everything.
1858 if (st
->has_shareable_shaders
)
1861 /* ARB vert/frag program */
1862 _mesa_HashWalk(st
->ctx
->Shared
->Programs
,
1863 destroy_program_variants_cb
, st
);
1865 /* GLSL vert/frag/geom shaders */
1866 _mesa_HashWalk(st
->ctx
->Shared
->ShaderObjects
,
1867 destroy_shader_program_variants_cb
, st
);
1872 * For debugging, print/dump the current vertex program.
1875 st_print_current_vertex_program(void)
1877 GET_CURRENT_CONTEXT(ctx
);
1879 if (ctx
->VertexProgram
._Current
) {
1880 struct st_vertex_program
*stvp
=
1881 (struct st_vertex_program
*) ctx
->VertexProgram
._Current
;
1882 struct st_vp_variant
*stv
;
1884 debug_printf("Vertex program %u\n", stvp
->Base
.Id
);
1886 for (stv
= stvp
->variants
; stv
; stv
= stv
->next
) {
1887 debug_printf("variant %p\n", stv
);
1888 tgsi_dump(stv
->tgsi
.tokens
, 0);
1895 * Compile one shader variant.
1898 st_precompile_shader_variant(struct st_context
*st
,
1899 struct gl_program
*prog
)
1901 switch (prog
->Target
) {
1902 case GL_VERTEX_PROGRAM_ARB
: {
1903 struct st_vertex_program
*p
= (struct st_vertex_program
*)prog
;
1904 struct st_vp_variant_key key
;
1906 memset(&key
, 0, sizeof(key
));
1907 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1908 st_get_vp_variant(st
, p
, &key
);
1912 case GL_TESS_CONTROL_PROGRAM_NV
: {
1913 struct st_tessctrl_program
*p
= (struct st_tessctrl_program
*)prog
;
1914 st_get_basic_variant(st
, PIPE_SHADER_TESS_CTRL
, &p
->tgsi
, &p
->variants
);
1918 case GL_TESS_EVALUATION_PROGRAM_NV
: {
1919 struct st_tesseval_program
*p
= (struct st_tesseval_program
*)prog
;
1920 st_get_basic_variant(st
, PIPE_SHADER_TESS_EVAL
, &p
->tgsi
, &p
->variants
);
1924 case GL_GEOMETRY_PROGRAM_NV
: {
1925 struct st_geometry_program
*p
= (struct st_geometry_program
*)prog
;
1926 st_get_basic_variant(st
, PIPE_SHADER_GEOMETRY
, &p
->tgsi
, &p
->variants
);
1930 case GL_FRAGMENT_PROGRAM_ARB
: {
1931 struct st_fragment_program
*p
= (struct st_fragment_program
*)prog
;
1932 struct st_fp_variant_key key
;
1934 memset(&key
, 0, sizeof(key
));
1935 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1936 st_get_fp_variant(st
, p
, &key
);
1940 case GL_COMPUTE_PROGRAM_NV
: {
1941 struct st_compute_program
*p
= (struct st_compute_program
*)prog
;
1942 st_get_cp_variant(st
, &p
->tgsi
, &p
->variants
);