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 "pipe/p_context.h"
42 #include "pipe/p_defines.h"
43 #include "pipe/p_shader_tokens.h"
44 #include "draw/draw_context.h"
45 #include "tgsi/tgsi_dump.h"
46 #include "tgsi/tgsi_emulate.h"
47 #include "tgsi/tgsi_parse.h"
48 #include "tgsi/tgsi_ureg.h"
51 #include "st_cb_bitmap.h"
52 #include "st_cb_drawpixels.h"
53 #include "st_context.h"
54 #include "st_program.h"
55 #include "st_mesa_to_tgsi.h"
56 #include "cso_cache/cso_context.h"
61 * Delete a vertex program variant. Note the caller must unlink
62 * the variant from the linked list.
65 delete_vp_variant(struct st_context
*st
, struct st_vp_variant
*vpv
)
67 if (vpv
->driver_shader
)
68 cso_delete_vertex_shader(st
->cso_context
, vpv
->driver_shader
);
71 draw_delete_vertex_shader( st
->draw
, vpv
->draw_shader
);
74 ureg_free_tokens(vpv
->tgsi
.tokens
);
82 * Clean out any old compilations:
85 st_release_vp_variants( struct st_context
*st
,
86 struct st_vertex_program
*stvp
)
88 struct st_vp_variant
*vpv
;
90 for (vpv
= stvp
->variants
; vpv
; ) {
91 struct st_vp_variant
*next
= vpv
->next
;
92 delete_vp_variant(st
, vpv
);
96 stvp
->variants
= NULL
;
98 if (stvp
->tgsi
.tokens
) {
99 tgsi_free_tokens(stvp
->tgsi
.tokens
);
100 stvp
->tgsi
.tokens
= NULL
;
107 * Delete a fragment program variant. Note the caller must unlink
108 * the variant from the linked list.
111 delete_fp_variant(struct st_context
*st
, struct st_fp_variant
*fpv
)
113 if (fpv
->driver_shader
)
114 cso_delete_fragment_shader(st
->cso_context
, fpv
->driver_shader
);
116 _mesa_free_parameter_list(fpv
->parameters
);
122 * Free all variants of a fragment program.
125 st_release_fp_variants(struct st_context
*st
, struct st_fragment_program
*stfp
)
127 struct st_fp_variant
*fpv
;
129 for (fpv
= stfp
->variants
; fpv
; ) {
130 struct st_fp_variant
*next
= fpv
->next
;
131 delete_fp_variant(st
, fpv
);
135 stfp
->variants
= NULL
;
137 if (stfp
->tgsi
.tokens
) {
138 ureg_free_tokens(stfp
->tgsi
.tokens
);
139 stfp
->tgsi
.tokens
= NULL
;
145 * Delete a geometry program variant. Note the caller must unlink
146 * the variant from the linked list.
149 delete_gp_variant(struct st_context
*st
, struct st_gp_variant
*gpv
)
151 if (gpv
->driver_shader
)
152 cso_delete_geometry_shader(st
->cso_context
, gpv
->driver_shader
);
159 * Free all variants of a geometry program.
162 st_release_gp_variants(struct st_context
*st
, struct st_geometry_program
*stgp
)
164 struct st_gp_variant
*gpv
;
166 for (gpv
= stgp
->variants
; gpv
; ) {
167 struct st_gp_variant
*next
= gpv
->next
;
168 delete_gp_variant(st
, gpv
);
172 stgp
->variants
= NULL
;
174 if (stgp
->tgsi
.tokens
) {
175 ureg_free_tokens(stgp
->tgsi
.tokens
);
176 stgp
->tgsi
.tokens
= NULL
;
182 * Delete a tessellation control program variant. Note the caller must unlink
183 * the variant from the linked list.
186 delete_tcp_variant(struct st_context
*st
, struct st_tcp_variant
*tcpv
)
188 if (tcpv
->driver_shader
)
189 cso_delete_tessctrl_shader(st
->cso_context
, tcpv
->driver_shader
);
196 * Free all variants of a tessellation control program.
199 st_release_tcp_variants(struct st_context
*st
, struct st_tessctrl_program
*sttcp
)
201 struct st_tcp_variant
*tcpv
;
203 for (tcpv
= sttcp
->variants
; tcpv
; ) {
204 struct st_tcp_variant
*next
= tcpv
->next
;
205 delete_tcp_variant(st
, tcpv
);
209 sttcp
->variants
= NULL
;
211 if (sttcp
->tgsi
.tokens
) {
212 ureg_free_tokens(sttcp
->tgsi
.tokens
);
213 sttcp
->tgsi
.tokens
= NULL
;
219 * Delete a tessellation evaluation program variant. Note the caller must
220 * unlink the variant from the linked list.
223 delete_tep_variant(struct st_context
*st
, struct st_tep_variant
*tepv
)
225 if (tepv
->driver_shader
)
226 cso_delete_tesseval_shader(st
->cso_context
, tepv
->driver_shader
);
233 * Free all variants of a tessellation evaluation program.
236 st_release_tep_variants(struct st_context
*st
, struct st_tesseval_program
*sttep
)
238 struct st_tep_variant
*tepv
;
240 for (tepv
= sttep
->variants
; tepv
; ) {
241 struct st_tep_variant
*next
= tepv
->next
;
242 delete_tep_variant(st
, tepv
);
246 sttep
->variants
= NULL
;
248 if (sttep
->tgsi
.tokens
) {
249 ureg_free_tokens(sttep
->tgsi
.tokens
);
250 sttep
->tgsi
.tokens
= NULL
;
256 * Translate a vertex program.
259 st_translate_vertex_program(struct st_context
*st
,
260 struct st_vertex_program
*stvp
)
262 struct ureg_program
*ureg
;
263 enum pipe_error error
;
264 unsigned num_outputs
= 0;
266 unsigned input_to_index
[VERT_ATTRIB_MAX
] = {0};
267 unsigned output_slot_to_attr
[VARYING_SLOT_MAX
] = {0};
268 ubyte output_semantic_name
[VARYING_SLOT_MAX
] = {0};
269 ubyte output_semantic_index
[VARYING_SLOT_MAX
] = {0};
271 stvp
->num_inputs
= 0;
273 if (stvp
->Base
.IsPositionInvariant
)
274 _mesa_insert_mvp_code(st
->ctx
, &stvp
->Base
);
277 * Determine number of inputs, the mappings between VERT_ATTRIB_x
278 * and TGSI generic input indexes, plus input attrib semantic info.
280 for (attr
= 0; attr
< VERT_ATTRIB_MAX
; attr
++) {
281 if ((stvp
->Base
.Base
.InputsRead
& BITFIELD64_BIT(attr
)) != 0) {
282 input_to_index
[attr
] = stvp
->num_inputs
;
283 stvp
->index_to_input
[stvp
->num_inputs
] = attr
;
285 if ((stvp
->Base
.Base
.DoubleInputsRead
& BITFIELD64_BIT(attr
)) != 0) {
286 /* add placeholder for second part of a double attribute */
287 stvp
->index_to_input
[stvp
->num_inputs
] = ST_DOUBLE_ATTRIB_PLACEHOLDER
;
292 /* bit of a hack, presetup potentially unused edgeflag input */
293 input_to_index
[VERT_ATTRIB_EDGEFLAG
] = stvp
->num_inputs
;
294 stvp
->index_to_input
[stvp
->num_inputs
] = VERT_ATTRIB_EDGEFLAG
;
296 /* Compute mapping of vertex program outputs to slots.
298 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
299 if ((stvp
->Base
.Base
.OutputsWritten
& BITFIELD64_BIT(attr
)) == 0) {
300 stvp
->result_to_output
[attr
] = ~0;
303 unsigned slot
= num_outputs
++;
305 stvp
->result_to_output
[attr
] = slot
;
306 output_slot_to_attr
[slot
] = attr
;
309 case VARYING_SLOT_POS
:
310 output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
311 output_semantic_index
[slot
] = 0;
313 case VARYING_SLOT_COL0
:
314 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
315 output_semantic_index
[slot
] = 0;
317 case VARYING_SLOT_COL1
:
318 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
319 output_semantic_index
[slot
] = 1;
321 case VARYING_SLOT_BFC0
:
322 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
323 output_semantic_index
[slot
] = 0;
325 case VARYING_SLOT_BFC1
:
326 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
327 output_semantic_index
[slot
] = 1;
329 case VARYING_SLOT_FOGC
:
330 output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
331 output_semantic_index
[slot
] = 0;
333 case VARYING_SLOT_PSIZ
:
334 output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
335 output_semantic_index
[slot
] = 0;
337 case VARYING_SLOT_CLIP_DIST0
:
338 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
339 output_semantic_index
[slot
] = 0;
341 case VARYING_SLOT_CLIP_DIST1
:
342 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
343 output_semantic_index
[slot
] = 1;
345 case VARYING_SLOT_EDGE
:
348 case VARYING_SLOT_CLIP_VERTEX
:
349 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
350 output_semantic_index
[slot
] = 0;
352 case VARYING_SLOT_LAYER
:
353 output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
354 output_semantic_index
[slot
] = 0;
356 case VARYING_SLOT_VIEWPORT
:
357 output_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
358 output_semantic_index
[slot
] = 0;
361 case VARYING_SLOT_TEX0
:
362 case VARYING_SLOT_TEX1
:
363 case VARYING_SLOT_TEX2
:
364 case VARYING_SLOT_TEX3
:
365 case VARYING_SLOT_TEX4
:
366 case VARYING_SLOT_TEX5
:
367 case VARYING_SLOT_TEX6
:
368 case VARYING_SLOT_TEX7
:
369 if (st
->needs_texcoord_semantic
) {
370 output_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
371 output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
375 case VARYING_SLOT_VAR0
:
377 assert(attr
>= VARYING_SLOT_VAR0
||
378 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
379 output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
380 output_semantic_index
[slot
] =
381 st_get_generic_varying_index(st
, attr
);
386 /* similar hack to above, presetup potentially unused edgeflag output */
387 stvp
->result_to_output
[VARYING_SLOT_EDGE
] = num_outputs
;
388 output_semantic_name
[num_outputs
] = TGSI_SEMANTIC_EDGEFLAG
;
389 output_semantic_index
[num_outputs
] = 0;
391 if (!stvp
->glsl_to_tgsi
)
392 _mesa_remove_output_reads(&stvp
->Base
.Base
, PROGRAM_OUTPUT
);
394 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_VERTEX
, st
->pipe
->screen
);
398 if (ST_DEBUG
& DEBUG_MESA
) {
399 _mesa_print_program(&stvp
->Base
.Base
);
400 _mesa_print_program_parameters(st
->ctx
, &stvp
->Base
.Base
);
404 if (stvp
->glsl_to_tgsi
) {
405 error
= st_translate_program(st
->ctx
,
406 TGSI_PROCESSOR_VERTEX
,
413 NULL
, /* inputSlotToAttr */
414 NULL
, /* input semantic name */
415 NULL
, /* input semantic index */
416 NULL
, /* interp mode */
417 NULL
, /* interp location */
420 stvp
->result_to_output
,
422 output_semantic_name
,
423 output_semantic_index
);
425 st_translate_stream_output_info(stvp
->glsl_to_tgsi
,
426 stvp
->result_to_output
,
427 &stvp
->tgsi
.stream_output
);
429 free_glsl_to_tgsi_visitor(stvp
->glsl_to_tgsi
);
430 stvp
->glsl_to_tgsi
= NULL
;
432 error
= st_translate_mesa_program(st
->ctx
,
433 TGSI_PROCESSOR_VERTEX
,
439 NULL
, /* input semantic name */
440 NULL
, /* input semantic index */
444 stvp
->result_to_output
,
445 output_semantic_name
,
446 output_semantic_index
);
449 debug_printf("%s: failed to translate Mesa program:\n", __func__
);
450 _mesa_print_program(&stvp
->Base
.Base
);
455 stvp
->tgsi
.tokens
= ureg_get_tokens(ureg
, NULL
);
457 return stvp
->tgsi
.tokens
!= NULL
;
460 static struct st_vp_variant
*
461 st_create_vp_variant(struct st_context
*st
,
462 struct st_vertex_program
*stvp
,
463 const struct st_vp_variant_key
*key
)
465 struct st_vp_variant
*vpv
= CALLOC_STRUCT(st_vp_variant
);
466 struct pipe_context
*pipe
= st
->pipe
;
469 vpv
->tgsi
.tokens
= tgsi_dup_tokens(stvp
->tgsi
.tokens
);
470 vpv
->tgsi
.stream_output
= stvp
->tgsi
.stream_output
;
471 vpv
->num_inputs
= stvp
->num_inputs
;
473 /* Emulate features. */
474 if (key
->clamp_color
|| key
->passthrough_edgeflags
) {
475 const struct tgsi_token
*tokens
;
477 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
478 (key
->passthrough_edgeflags
? TGSI_EMU_PASSTHROUGH_EDGEFLAG
: 0);
480 tokens
= tgsi_emulate(vpv
->tgsi
.tokens
, flags
);
483 tgsi_free_tokens(vpv
->tgsi
.tokens
);
484 vpv
->tgsi
.tokens
= tokens
;
486 if (key
->passthrough_edgeflags
)
489 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
492 if (ST_DEBUG
& DEBUG_TGSI
) {
493 tgsi_dump(vpv
->tgsi
.tokens
, 0);
497 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
503 * Find/create a vertex program variant.
505 struct st_vp_variant
*
506 st_get_vp_variant(struct st_context
*st
,
507 struct st_vertex_program
*stvp
,
508 const struct st_vp_variant_key
*key
)
510 struct st_vp_variant
*vpv
;
512 /* Search for existing variant */
513 for (vpv
= stvp
->variants
; vpv
; vpv
= vpv
->next
) {
514 if (memcmp(&vpv
->key
, key
, sizeof(*key
)) == 0) {
521 vpv
= st_create_vp_variant(st
, stvp
, key
);
523 /* insert into list */
524 vpv
->next
= stvp
->variants
;
525 stvp
->variants
= vpv
;
534 st_translate_interp(enum glsl_interp_qualifier glsl_qual
, bool is_color
)
537 case INTERP_QUALIFIER_NONE
:
539 return TGSI_INTERPOLATE_COLOR
;
540 return TGSI_INTERPOLATE_PERSPECTIVE
;
541 case INTERP_QUALIFIER_SMOOTH
:
542 return TGSI_INTERPOLATE_PERSPECTIVE
;
543 case INTERP_QUALIFIER_FLAT
:
544 return TGSI_INTERPOLATE_CONSTANT
;
545 case INTERP_QUALIFIER_NOPERSPECTIVE
:
546 return TGSI_INTERPOLATE_LINEAR
;
548 assert(0 && "unexpected interp mode in st_translate_interp()");
549 return TGSI_INTERPOLATE_PERSPECTIVE
;
555 * Translate a Mesa fragment shader into a TGSI shader.
558 st_translate_fragment_program(struct st_context
*st
,
559 struct st_fragment_program
*stfp
)
561 GLuint outputMapping
[FRAG_RESULT_MAX
];
562 GLuint inputMapping
[VARYING_SLOT_MAX
];
563 GLuint inputSlotToAttr
[VARYING_SLOT_MAX
];
564 GLuint interpMode
[PIPE_MAX_SHADER_INPUTS
]; /* XXX size? */
565 GLuint interpLocation
[PIPE_MAX_SHADER_INPUTS
];
567 GLbitfield64 inputsRead
;
568 struct ureg_program
*ureg
;
570 GLboolean write_all
= GL_FALSE
;
572 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
573 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
574 uint fs_num_inputs
= 0;
576 ubyte fs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
577 ubyte fs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
578 uint fs_num_outputs
= 0;
580 memset(inputSlotToAttr
, ~0, sizeof(inputSlotToAttr
));
582 if (!stfp
->glsl_to_tgsi
)
583 _mesa_remove_output_reads(&stfp
->Base
.Base
, PROGRAM_OUTPUT
);
586 * Convert Mesa program inputs to TGSI input register semantics.
588 inputsRead
= stfp
->Base
.Base
.InputsRead
;
589 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
590 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
591 const GLuint slot
= fs_num_inputs
++;
593 inputMapping
[attr
] = slot
;
594 inputSlotToAttr
[slot
] = attr
;
595 if (stfp
->Base
.IsCentroid
& BITFIELD64_BIT(attr
))
596 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_CENTROID
;
597 else if (stfp
->Base
.IsSample
& BITFIELD64_BIT(attr
))
598 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_SAMPLE
;
600 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_CENTER
;
602 if (stfp
->Base
.Base
.SystemValuesRead
& (SYSTEM_BIT_SAMPLE_ID
|
603 SYSTEM_BIT_SAMPLE_POS
))
604 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_SAMPLE
;
607 case VARYING_SLOT_POS
:
608 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
609 input_semantic_index
[slot
] = 0;
610 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
612 case VARYING_SLOT_COL0
:
613 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
614 input_semantic_index
[slot
] = 0;
615 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
618 case VARYING_SLOT_COL1
:
619 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
620 input_semantic_index
[slot
] = 1;
621 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
624 case VARYING_SLOT_FOGC
:
625 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
626 input_semantic_index
[slot
] = 0;
627 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
629 case VARYING_SLOT_FACE
:
630 input_semantic_name
[slot
] = TGSI_SEMANTIC_FACE
;
631 input_semantic_index
[slot
] = 0;
632 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
634 case VARYING_SLOT_PRIMITIVE_ID
:
635 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
636 input_semantic_index
[slot
] = 0;
637 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
639 case VARYING_SLOT_LAYER
:
640 input_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
641 input_semantic_index
[slot
] = 0;
642 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
644 case VARYING_SLOT_VIEWPORT
:
645 input_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
646 input_semantic_index
[slot
] = 0;
647 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
649 case VARYING_SLOT_CLIP_DIST0
:
650 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
651 input_semantic_index
[slot
] = 0;
652 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
654 case VARYING_SLOT_CLIP_DIST1
:
655 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
656 input_semantic_index
[slot
] = 1;
657 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
659 /* In most cases, there is nothing special about these
660 * inputs, so adopt a convention to use the generic
661 * semantic name and the mesa VARYING_SLOT_ number as the
664 * All that is required is that the vertex shader labels
665 * its own outputs similarly, and that the vertex shader
666 * generates at least every output required by the
667 * fragment shader plus fixed-function hardware (such as
670 * However, some drivers may need us to identify the PNTC and TEXi
671 * varyings if, for example, their capability to replace them with
672 * sprite coordinates is limited.
674 case VARYING_SLOT_PNTC
:
675 if (st
->needs_texcoord_semantic
) {
676 input_semantic_name
[slot
] = TGSI_SEMANTIC_PCOORD
;
677 input_semantic_index
[slot
] = 0;
678 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
682 case VARYING_SLOT_TEX0
:
683 case VARYING_SLOT_TEX1
:
684 case VARYING_SLOT_TEX2
:
685 case VARYING_SLOT_TEX3
:
686 case VARYING_SLOT_TEX4
:
687 case VARYING_SLOT_TEX5
:
688 case VARYING_SLOT_TEX6
:
689 case VARYING_SLOT_TEX7
:
690 if (st
->needs_texcoord_semantic
) {
691 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
692 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
694 st_translate_interp(stfp
->Base
.InterpQualifier
[attr
], FALSE
);
698 case VARYING_SLOT_VAR0
:
700 /* Semantic indices should be zero-based because drivers may choose
701 * to assign a fixed slot determined by that index.
702 * This is useful because ARB_separate_shader_objects uses location
703 * qualifiers for linkage, and if the semantic index corresponds to
704 * these locations, linkage passes in the driver become unecessary.
706 * If needs_texcoord_semantic is true, no semantic indices will be
707 * consumed for the TEXi varyings, and we can base the locations of
708 * the user varyings on VAR0. Otherwise, we use TEX0 as base index.
710 assert(attr
>= VARYING_SLOT_VAR0
|| attr
== VARYING_SLOT_PNTC
||
711 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
712 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
713 input_semantic_index
[slot
] = st_get_generic_varying_index(st
, attr
);
714 if (attr
== VARYING_SLOT_PNTC
)
715 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
717 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
723 inputMapping
[attr
] = -1;
728 * Semantics and mapping for outputs
732 GLbitfield64 outputsWritten
= stfp
->Base
.Base
.OutputsWritten
;
734 /* if z is written, emit that first */
735 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
736 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_POSITION
;
737 fs_output_semantic_index
[fs_num_outputs
] = 0;
738 outputMapping
[FRAG_RESULT_DEPTH
] = fs_num_outputs
;
740 outputsWritten
&= ~(1 << FRAG_RESULT_DEPTH
);
743 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_STENCIL
)) {
744 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_STENCIL
;
745 fs_output_semantic_index
[fs_num_outputs
] = 0;
746 outputMapping
[FRAG_RESULT_STENCIL
] = fs_num_outputs
;
748 outputsWritten
&= ~(1 << FRAG_RESULT_STENCIL
);
751 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK
)) {
752 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_SAMPLEMASK
;
753 fs_output_semantic_index
[fs_num_outputs
] = 0;
754 outputMapping
[FRAG_RESULT_SAMPLE_MASK
] = fs_num_outputs
;
756 outputsWritten
&= ~(1 << FRAG_RESULT_SAMPLE_MASK
);
759 /* handle remaining outputs (color) */
760 for (attr
= 0; attr
< FRAG_RESULT_MAX
; attr
++) {
761 if (outputsWritten
& BITFIELD64_BIT(attr
)) {
763 case FRAG_RESULT_DEPTH
:
764 case FRAG_RESULT_STENCIL
:
765 case FRAG_RESULT_SAMPLE_MASK
:
769 case FRAG_RESULT_COLOR
:
770 write_all
= GL_TRUE
; /* fallthrough */
772 assert(attr
== FRAG_RESULT_COLOR
||
773 (FRAG_RESULT_DATA0
<= attr
&& attr
< FRAG_RESULT_MAX
));
774 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_COLOR
;
775 fs_output_semantic_index
[fs_num_outputs
] = numColors
;
776 outputMapping
[attr
] = fs_num_outputs
;
786 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_FRAGMENT
, st
->pipe
->screen
);
790 if (ST_DEBUG
& DEBUG_MESA
) {
791 _mesa_print_program(&stfp
->Base
.Base
);
792 _mesa_print_program_parameters(st
->ctx
, &stfp
->Base
.Base
);
795 if (write_all
== GL_TRUE
)
796 ureg_property(ureg
, TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS
, 1);
798 if (stfp
->Base
.FragDepthLayout
!= FRAG_DEPTH_LAYOUT_NONE
) {
799 switch (stfp
->Base
.FragDepthLayout
) {
800 case FRAG_DEPTH_LAYOUT_ANY
:
801 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
802 TGSI_FS_DEPTH_LAYOUT_ANY
);
804 case FRAG_DEPTH_LAYOUT_GREATER
:
805 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
806 TGSI_FS_DEPTH_LAYOUT_GREATER
);
808 case FRAG_DEPTH_LAYOUT_LESS
:
809 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
810 TGSI_FS_DEPTH_LAYOUT_LESS
);
812 case FRAG_DEPTH_LAYOUT_UNCHANGED
:
813 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
814 TGSI_FS_DEPTH_LAYOUT_UNCHANGED
);
821 if (stfp
->glsl_to_tgsi
) {
822 st_translate_program(st
->ctx
,
823 TGSI_PROCESSOR_FRAGMENT
,
832 input_semantic_index
,
839 fs_output_semantic_name
,
840 fs_output_semantic_index
);
842 free_glsl_to_tgsi_visitor(stfp
->glsl_to_tgsi
);
843 stfp
->glsl_to_tgsi
= NULL
;
845 st_translate_mesa_program(st
->ctx
,
846 TGSI_PROCESSOR_FRAGMENT
,
853 input_semantic_index
,
858 fs_output_semantic_name
,
859 fs_output_semantic_index
);
861 stfp
->tgsi
.tokens
= ureg_get_tokens(ureg
, NULL
);
863 return stfp
->tgsi
.tokens
!= NULL
;
866 static struct st_fp_variant
*
867 st_create_fp_variant(struct st_context
*st
,
868 struct st_fragment_program
*stfp
,
869 const struct st_fp_variant_key
*key
)
871 struct pipe_context
*pipe
= st
->pipe
;
872 struct st_fp_variant
*variant
= CALLOC_STRUCT(st_fp_variant
);
873 struct pipe_shader_state tgsi
= {0};
878 tgsi
.tokens
= stfp
->tgsi
.tokens
;
880 assert(!(key
->bitmap
&& key
->drawpixels
));
882 /* Emulate features. */
883 if (key
->clamp_color
|| key
->persample_shading
) {
884 const struct tgsi_token
*tokens
;
886 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
887 (key
->persample_shading
? TGSI_EMU_FORCE_PERSAMPLE_INTERP
: 0);
889 tokens
= tgsi_emulate(tgsi
.tokens
, flags
);
892 tgsi
.tokens
= tokens
;
894 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
899 const struct tgsi_token
*tokens
;
901 variant
->bitmap_sampler
= ffs(~stfp
->Base
.Base
.SamplersUsed
) - 1;
903 tokens
= st_get_bitmap_shader(tgsi
.tokens
,
904 variant
->bitmap_sampler
,
905 st
->needs_texcoord_semantic
,
906 st
->bitmap
.tex_format
==
907 PIPE_FORMAT_L8_UNORM
);
910 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
911 tgsi_free_tokens(tgsi
.tokens
);
912 tgsi
.tokens
= tokens
;
913 variant
->parameters
=
914 _mesa_clone_parameter_list(stfp
->Base
.Base
.Parameters
);
916 fprintf(stderr
, "mesa: cannot create a shader for glBitmap\n");
919 /* glDrawPixels (color only) */
920 if (key
->drawpixels
) {
921 const struct tgsi_token
*tokens
;
922 unsigned scale_const
= 0, bias_const
= 0, texcoord_const
= 0;
924 /* Find the first unused slot. */
925 variant
->drawpix_sampler
= ffs(~stfp
->Base
.Base
.SamplersUsed
) - 1;
927 if (key
->pixelMaps
) {
928 unsigned samplers_used
= stfp
->Base
.Base
.SamplersUsed
|
929 (1 << variant
->drawpix_sampler
);
931 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
934 variant
->parameters
=
935 _mesa_clone_parameter_list(stfp
->Base
.Base
.Parameters
);
937 if (key
->scaleAndBias
) {
938 static const gl_state_index scale_state
[STATE_LENGTH
] =
939 { STATE_INTERNAL
, STATE_PT_SCALE
};
940 static const gl_state_index bias_state
[STATE_LENGTH
] =
941 { STATE_INTERNAL
, STATE_PT_BIAS
};
943 scale_const
= _mesa_add_state_reference(variant
->parameters
,
945 bias_const
= _mesa_add_state_reference(variant
->parameters
,
950 static const gl_state_index state
[STATE_LENGTH
] =
951 { STATE_INTERNAL
, STATE_CURRENT_ATTRIB
, VERT_ATTRIB_TEX0
};
953 texcoord_const
= _mesa_add_state_reference(variant
->parameters
,
957 tokens
= st_get_drawpix_shader(tgsi
.tokens
,
958 st
->needs_texcoord_semantic
,
959 key
->scaleAndBias
, scale_const
,
960 bias_const
, key
->pixelMaps
,
961 variant
->drawpix_sampler
,
962 variant
->pixelmap_sampler
,
966 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
967 tgsi_free_tokens(tgsi
.tokens
);
968 tgsi
.tokens
= tokens
;
970 fprintf(stderr
, "mesa: cannot create a shader for glDrawPixels\n");
973 if (ST_DEBUG
& DEBUG_TGSI
) {
974 tgsi_dump(tgsi
.tokens
, 0);
978 /* fill in variant */
979 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
982 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
983 tgsi_free_tokens(tgsi
.tokens
);
988 * Translate fragment program if needed.
990 struct st_fp_variant
*
991 st_get_fp_variant(struct st_context
*st
,
992 struct st_fragment_program
*stfp
,
993 const struct st_fp_variant_key
*key
)
995 struct st_fp_variant
*fpv
;
997 /* Search for existing variant */
998 for (fpv
= stfp
->variants
; fpv
; fpv
= fpv
->next
) {
999 if (memcmp(&fpv
->key
, key
, sizeof(*key
)) == 0) {
1006 fpv
= st_create_fp_variant(st
, stfp
, key
);
1008 /* insert into list */
1009 fpv
->next
= stfp
->variants
;
1010 stfp
->variants
= fpv
;
1019 * Translate a program. This is common code for geometry and tessellation
1023 st_translate_program_common(struct st_context
*st
,
1024 struct gl_program
*prog
,
1025 struct glsl_to_tgsi_visitor
*glsl_to_tgsi
,
1026 struct ureg_program
*ureg
,
1027 unsigned tgsi_processor
,
1028 struct pipe_shader_state
*out_state
)
1030 GLuint inputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
1031 GLuint inputMapping
[VARYING_SLOT_TESS_MAX
];
1032 GLuint outputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
1033 GLuint outputMapping
[VARYING_SLOT_TESS_MAX
];
1036 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
1037 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
1038 uint num_inputs
= 0;
1040 ubyte output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
1041 ubyte output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
1042 uint num_outputs
= 0;
1046 memset(inputSlotToAttr
, 0, sizeof(inputSlotToAttr
));
1047 memset(inputMapping
, 0, sizeof(inputMapping
));
1048 memset(outputSlotToAttr
, 0, sizeof(outputSlotToAttr
));
1049 memset(outputMapping
, 0, sizeof(outputMapping
));
1050 memset(out_state
, 0, sizeof(*out_state
));
1053 * Convert Mesa program inputs to TGSI input register semantics.
1055 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1056 if ((prog
->InputsRead
& BITFIELD64_BIT(attr
)) != 0) {
1057 const GLuint slot
= num_inputs
++;
1059 inputMapping
[attr
] = slot
;
1060 inputSlotToAttr
[slot
] = attr
;
1063 case VARYING_SLOT_PRIMITIVE_ID
:
1064 assert(tgsi_processor
== TGSI_PROCESSOR_GEOMETRY
);
1065 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
1066 input_semantic_index
[slot
] = 0;
1068 case VARYING_SLOT_POS
:
1069 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
1070 input_semantic_index
[slot
] = 0;
1072 case VARYING_SLOT_COL0
:
1073 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1074 input_semantic_index
[slot
] = 0;
1076 case VARYING_SLOT_COL1
:
1077 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1078 input_semantic_index
[slot
] = 1;
1080 case VARYING_SLOT_FOGC
:
1081 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1082 input_semantic_index
[slot
] = 0;
1084 case VARYING_SLOT_CLIP_VERTEX
:
1085 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1086 input_semantic_index
[slot
] = 0;
1088 case VARYING_SLOT_CLIP_DIST0
:
1089 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1090 input_semantic_index
[slot
] = 0;
1092 case VARYING_SLOT_CLIP_DIST1
:
1093 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1094 input_semantic_index
[slot
] = 1;
1096 case VARYING_SLOT_PSIZ
:
1097 input_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1098 input_semantic_index
[slot
] = 0;
1100 case VARYING_SLOT_TEX0
:
1101 case VARYING_SLOT_TEX1
:
1102 case VARYING_SLOT_TEX2
:
1103 case VARYING_SLOT_TEX3
:
1104 case VARYING_SLOT_TEX4
:
1105 case VARYING_SLOT_TEX5
:
1106 case VARYING_SLOT_TEX6
:
1107 case VARYING_SLOT_TEX7
:
1108 if (st
->needs_texcoord_semantic
) {
1109 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1110 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1114 case VARYING_SLOT_VAR0
:
1116 assert(attr
>= VARYING_SLOT_VAR0
||
1117 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1118 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1119 input_semantic_index
[slot
] =
1120 st_get_generic_varying_index(st
, attr
);
1126 /* Also add patch inputs. */
1127 for (attr
= 0; attr
< 32; attr
++) {
1128 if (prog
->PatchInputsRead
& (1 << attr
)) {
1129 GLuint slot
= num_inputs
++;
1130 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1132 inputMapping
[patch_attr
] = slot
;
1133 inputSlotToAttr
[slot
] = patch_attr
;
1134 input_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1135 input_semantic_index
[slot
] = attr
;
1139 /* initialize output semantics to defaults */
1140 for (i
= 0; i
< PIPE_MAX_SHADER_OUTPUTS
; i
++) {
1141 output_semantic_name
[i
] = TGSI_SEMANTIC_GENERIC
;
1142 output_semantic_index
[i
] = 0;
1146 * Determine number of outputs, the (default) output register
1147 * mapping and the semantic information for each output.
1149 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1150 if (prog
->OutputsWritten
& BITFIELD64_BIT(attr
)) {
1151 GLuint slot
= num_outputs
++;
1153 outputMapping
[attr
] = slot
;
1154 outputSlotToAttr
[slot
] = attr
;
1157 case VARYING_SLOT_POS
:
1159 output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
1160 output_semantic_index
[slot
] = 0;
1162 case VARYING_SLOT_COL0
:
1163 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1164 output_semantic_index
[slot
] = 0;
1166 case VARYING_SLOT_COL1
:
1167 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1168 output_semantic_index
[slot
] = 1;
1170 case VARYING_SLOT_BFC0
:
1171 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1172 output_semantic_index
[slot
] = 0;
1174 case VARYING_SLOT_BFC1
:
1175 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1176 output_semantic_index
[slot
] = 1;
1178 case VARYING_SLOT_FOGC
:
1179 output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1180 output_semantic_index
[slot
] = 0;
1182 case VARYING_SLOT_PSIZ
:
1183 output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1184 output_semantic_index
[slot
] = 0;
1186 case VARYING_SLOT_CLIP_VERTEX
:
1187 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1188 output_semantic_index
[slot
] = 0;
1190 case VARYING_SLOT_CLIP_DIST0
:
1191 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1192 output_semantic_index
[slot
] = 0;
1194 case VARYING_SLOT_CLIP_DIST1
:
1195 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1196 output_semantic_index
[slot
] = 1;
1198 case VARYING_SLOT_LAYER
:
1199 output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
1200 output_semantic_index
[slot
] = 0;
1202 case VARYING_SLOT_PRIMITIVE_ID
:
1203 output_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
1204 output_semantic_index
[slot
] = 0;
1206 case VARYING_SLOT_VIEWPORT
:
1207 output_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
1208 output_semantic_index
[slot
] = 0;
1210 case VARYING_SLOT_TESS_LEVEL_OUTER
:
1211 output_semantic_name
[slot
] = TGSI_SEMANTIC_TESSOUTER
;
1212 output_semantic_index
[slot
] = 0;
1214 case VARYING_SLOT_TESS_LEVEL_INNER
:
1215 output_semantic_name
[slot
] = TGSI_SEMANTIC_TESSINNER
;
1216 output_semantic_index
[slot
] = 0;
1218 case VARYING_SLOT_TEX0
:
1219 case VARYING_SLOT_TEX1
:
1220 case VARYING_SLOT_TEX2
:
1221 case VARYING_SLOT_TEX3
:
1222 case VARYING_SLOT_TEX4
:
1223 case VARYING_SLOT_TEX5
:
1224 case VARYING_SLOT_TEX6
:
1225 case VARYING_SLOT_TEX7
:
1226 if (st
->needs_texcoord_semantic
) {
1227 output_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1228 output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1232 case VARYING_SLOT_VAR0
:
1234 assert(slot
< ARRAY_SIZE(output_semantic_name
));
1235 assert(attr
>= VARYING_SLOT_VAR0
||
1236 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1237 output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1238 output_semantic_index
[slot
] =
1239 st_get_generic_varying_index(st
, attr
);
1245 /* Also add patch outputs. */
1246 for (attr
= 0; attr
< 32; attr
++) {
1247 if (prog
->PatchOutputsWritten
& (1 << attr
)) {
1248 GLuint slot
= num_outputs
++;
1249 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1251 outputMapping
[patch_attr
] = slot
;
1252 outputSlotToAttr
[slot
] = patch_attr
;
1253 output_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1254 output_semantic_index
[slot
] = attr
;
1258 st_translate_program(st
->ctx
,
1267 input_semantic_name
,
1268 input_semantic_index
,
1275 output_semantic_name
,
1276 output_semantic_index
);
1278 out_state
->tokens
= ureg_get_tokens(ureg
, NULL
);
1281 st_translate_stream_output_info(glsl_to_tgsi
,
1283 &out_state
->stream_output
);
1285 if ((ST_DEBUG
& DEBUG_TGSI
) && (ST_DEBUG
& DEBUG_MESA
)) {
1286 _mesa_print_program(prog
);
1290 if (ST_DEBUG
& DEBUG_TGSI
) {
1291 tgsi_dump(out_state
->tokens
, 0);
1298 * Translate a geometry program to create a new variant.
1301 st_translate_geometry_program(struct st_context
*st
,
1302 struct st_geometry_program
*stgp
)
1304 struct ureg_program
*ureg
;
1306 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_GEOMETRY
, st
->pipe
->screen
);
1310 ureg_property(ureg
, TGSI_PROPERTY_GS_INPUT_PRIM
, stgp
->Base
.InputType
);
1311 ureg_property(ureg
, TGSI_PROPERTY_GS_OUTPUT_PRIM
, stgp
->Base
.OutputType
);
1312 ureg_property(ureg
, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES
,
1313 stgp
->Base
.VerticesOut
);
1314 ureg_property(ureg
, TGSI_PROPERTY_GS_INVOCATIONS
, stgp
->Base
.Invocations
);
1316 st_translate_program_common(st
, &stgp
->Base
.Base
, stgp
->glsl_to_tgsi
, ureg
,
1317 TGSI_PROCESSOR_GEOMETRY
, &stgp
->tgsi
);
1319 free_glsl_to_tgsi_visitor(stgp
->glsl_to_tgsi
);
1320 stgp
->glsl_to_tgsi
= NULL
;
1325 static struct st_gp_variant
*
1326 st_create_gp_variant(struct st_context
*st
,
1327 struct st_geometry_program
*stgp
,
1328 const struct st_gp_variant_key
*key
)
1330 struct pipe_context
*pipe
= st
->pipe
;
1331 struct st_gp_variant
*gpv
;
1333 gpv
= CALLOC_STRUCT(st_gp_variant
);
1337 /* fill in new variant */
1338 gpv
->driver_shader
= pipe
->create_gs_state(pipe
, &stgp
->tgsi
);
1345 * Get/create geometry program variant.
1347 struct st_gp_variant
*
1348 st_get_gp_variant(struct st_context
*st
,
1349 struct st_geometry_program
*stgp
,
1350 const struct st_gp_variant_key
*key
)
1352 struct st_gp_variant
*gpv
;
1354 /* Search for existing variant */
1355 for (gpv
= stgp
->variants
; gpv
; gpv
= gpv
->next
) {
1356 if (memcmp(&gpv
->key
, key
, sizeof(*key
)) == 0) {
1363 gpv
= st_create_gp_variant(st
, stgp
, key
);
1365 /* insert into list */
1366 gpv
->next
= stgp
->variants
;
1367 stgp
->variants
= gpv
;
1376 * Translate a tessellation control program to create a new variant.
1379 st_translate_tessctrl_program(struct st_context
*st
,
1380 struct st_tessctrl_program
*sttcp
)
1382 struct ureg_program
*ureg
;
1384 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_TESS_CTRL
, st
->pipe
->screen
);
1388 ureg_property(ureg
, TGSI_PROPERTY_TCS_VERTICES_OUT
,
1389 sttcp
->Base
.VerticesOut
);
1391 st_translate_program_common(st
, &sttcp
->Base
.Base
, sttcp
->glsl_to_tgsi
,
1392 ureg
, TGSI_PROCESSOR_TESS_CTRL
, &sttcp
->tgsi
);
1394 free_glsl_to_tgsi_visitor(sttcp
->glsl_to_tgsi
);
1395 sttcp
->glsl_to_tgsi
= NULL
;
1400 static struct st_tcp_variant
*
1401 st_create_tcp_variant(struct st_context
*st
,
1402 struct st_tessctrl_program
*sttcp
,
1403 const struct st_tcp_variant_key
*key
)
1405 struct pipe_context
*pipe
= st
->pipe
;
1406 struct st_tcp_variant
*tcpv
;
1408 tcpv
= CALLOC_STRUCT(st_tcp_variant
);
1412 /* fill in new variant */
1413 tcpv
->driver_shader
= pipe
->create_tcs_state(pipe
, &sttcp
->tgsi
);
1420 * Get/create tessellation control program variant.
1422 struct st_tcp_variant
*
1423 st_get_tcp_variant(struct st_context
*st
,
1424 struct st_tessctrl_program
*sttcp
,
1425 const struct st_tcp_variant_key
*key
)
1427 struct st_tcp_variant
*tcpv
;
1429 /* Search for existing variant */
1430 for (tcpv
= sttcp
->variants
; tcpv
; tcpv
= tcpv
->next
) {
1431 if (memcmp(&tcpv
->key
, key
, sizeof(*key
)) == 0) {
1438 tcpv
= st_create_tcp_variant(st
, sttcp
, key
);
1440 /* insert into list */
1441 tcpv
->next
= sttcp
->variants
;
1442 sttcp
->variants
= tcpv
;
1451 * Translate a tessellation evaluation program to create a new variant.
1454 st_translate_tesseval_program(struct st_context
*st
,
1455 struct st_tesseval_program
*sttep
)
1457 struct ureg_program
*ureg
;
1459 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_TESS_EVAL
, st
->pipe
->screen
);
1463 if (sttep
->Base
.PrimitiveMode
== GL_ISOLINES
)
1464 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, GL_LINES
);
1466 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, sttep
->Base
.PrimitiveMode
);
1468 switch (sttep
->Base
.Spacing
) {
1470 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
, PIPE_TESS_SPACING_EQUAL
);
1472 case GL_FRACTIONAL_EVEN
:
1473 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1474 PIPE_TESS_SPACING_FRACTIONAL_EVEN
);
1476 case GL_FRACTIONAL_ODD
:
1477 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1478 PIPE_TESS_SPACING_FRACTIONAL_ODD
);
1484 ureg_property(ureg
, TGSI_PROPERTY_TES_VERTEX_ORDER_CW
,
1485 sttep
->Base
.VertexOrder
== GL_CW
);
1486 ureg_property(ureg
, TGSI_PROPERTY_TES_POINT_MODE
, sttep
->Base
.PointMode
);
1488 st_translate_program_common(st
, &sttep
->Base
.Base
, sttep
->glsl_to_tgsi
,
1489 ureg
, TGSI_PROCESSOR_TESS_EVAL
, &sttep
->tgsi
);
1491 free_glsl_to_tgsi_visitor(sttep
->glsl_to_tgsi
);
1492 sttep
->glsl_to_tgsi
= NULL
;
1497 static struct st_tep_variant
*
1498 st_create_tep_variant(struct st_context
*st
,
1499 struct st_tesseval_program
*sttep
,
1500 const struct st_tep_variant_key
*key
)
1502 struct pipe_context
*pipe
= st
->pipe
;
1503 struct st_tep_variant
*tepv
;
1505 tepv
= CALLOC_STRUCT(st_tep_variant
);
1509 /* fill in new variant */
1510 tepv
->driver_shader
= pipe
->create_tes_state(pipe
, &sttep
->tgsi
);
1517 * Get/create tessellation evaluation program variant.
1519 struct st_tep_variant
*
1520 st_get_tep_variant(struct st_context
*st
,
1521 struct st_tesseval_program
*sttep
,
1522 const struct st_tep_variant_key
*key
)
1524 struct st_tep_variant
*tepv
;
1526 /* Search for existing variant */
1527 for (tepv
= sttep
->variants
; tepv
; tepv
= tepv
->next
) {
1528 if (memcmp(&tepv
->key
, key
, sizeof(*key
)) == 0) {
1535 tepv
= st_create_tep_variant(st
, sttep
, key
);
1537 /* insert into list */
1538 tepv
->next
= sttep
->variants
;
1539 sttep
->variants
= tepv
;
1548 * Vert/Geom/Frag programs have per-context variants. Free all the
1549 * variants attached to the given program which match the given context.
1552 destroy_program_variants(struct st_context
*st
, struct gl_program
*program
)
1554 if (!program
|| program
== &_mesa_DummyProgram
)
1557 switch (program
->Target
) {
1558 case GL_VERTEX_PROGRAM_ARB
:
1560 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) program
;
1561 struct st_vp_variant
*vpv
, **prevPtr
= &stvp
->variants
;
1563 for (vpv
= stvp
->variants
; vpv
; ) {
1564 struct st_vp_variant
*next
= vpv
->next
;
1565 if (vpv
->key
.st
== st
) {
1566 /* unlink from list */
1568 /* destroy this variant */
1569 delete_vp_variant(st
, vpv
);
1572 prevPtr
= &vpv
->next
;
1578 case GL_FRAGMENT_PROGRAM_ARB
:
1580 struct st_fragment_program
*stfp
=
1581 (struct st_fragment_program
*) program
;
1582 struct st_fp_variant
*fpv
, **prevPtr
= &stfp
->variants
;
1584 for (fpv
= stfp
->variants
; fpv
; ) {
1585 struct st_fp_variant
*next
= fpv
->next
;
1586 if (fpv
->key
.st
== st
) {
1587 /* unlink from list */
1589 /* destroy this variant */
1590 delete_fp_variant(st
, fpv
);
1593 prevPtr
= &fpv
->next
;
1599 case GL_GEOMETRY_PROGRAM_NV
:
1601 struct st_geometry_program
*stgp
=
1602 (struct st_geometry_program
*) program
;
1603 struct st_gp_variant
*gpv
, **prevPtr
= &stgp
->variants
;
1605 for (gpv
= stgp
->variants
; gpv
; ) {
1606 struct st_gp_variant
*next
= gpv
->next
;
1607 if (gpv
->key
.st
== st
) {
1608 /* unlink from list */
1610 /* destroy this variant */
1611 delete_gp_variant(st
, gpv
);
1614 prevPtr
= &gpv
->next
;
1620 case GL_TESS_CONTROL_PROGRAM_NV
:
1622 struct st_tessctrl_program
*sttcp
=
1623 (struct st_tessctrl_program
*) program
;
1624 struct st_tcp_variant
*tcpv
, **prevPtr
= &sttcp
->variants
;
1626 for (tcpv
= sttcp
->variants
; tcpv
; ) {
1627 struct st_tcp_variant
*next
= tcpv
->next
;
1628 if (tcpv
->key
.st
== st
) {
1629 /* unlink from list */
1631 /* destroy this variant */
1632 delete_tcp_variant(st
, tcpv
);
1635 prevPtr
= &tcpv
->next
;
1641 case GL_TESS_EVALUATION_PROGRAM_NV
:
1643 struct st_tesseval_program
*sttep
=
1644 (struct st_tesseval_program
*) program
;
1645 struct st_tep_variant
*tepv
, **prevPtr
= &sttep
->variants
;
1647 for (tepv
= sttep
->variants
; tepv
; ) {
1648 struct st_tep_variant
*next
= tepv
->next
;
1649 if (tepv
->key
.st
== st
) {
1650 /* unlink from list */
1652 /* destroy this variant */
1653 delete_tep_variant(st
, tepv
);
1656 prevPtr
= &tepv
->next
;
1663 _mesa_problem(NULL
, "Unexpected program target 0x%x in "
1664 "destroy_program_variants_cb()", program
->Target
);
1670 * Callback for _mesa_HashWalk. Free all the shader's program variants
1671 * which match the given context.
1674 destroy_shader_program_variants_cb(GLuint key
, void *data
, void *userData
)
1676 struct st_context
*st
= (struct st_context
*) userData
;
1677 struct gl_shader
*shader
= (struct gl_shader
*) data
;
1679 switch (shader
->Type
) {
1680 case GL_SHADER_PROGRAM_MESA
:
1682 struct gl_shader_program
*shProg
= (struct gl_shader_program
*) data
;
1685 for (i
= 0; i
< shProg
->NumShaders
; i
++) {
1686 destroy_program_variants(st
, shProg
->Shaders
[i
]->Program
);
1689 for (i
= 0; i
< ARRAY_SIZE(shProg
->_LinkedShaders
); i
++) {
1690 if (shProg
->_LinkedShaders
[i
])
1691 destroy_program_variants(st
, shProg
->_LinkedShaders
[i
]->Program
);
1695 case GL_VERTEX_SHADER
:
1696 case GL_FRAGMENT_SHADER
:
1697 case GL_GEOMETRY_SHADER
:
1698 case GL_TESS_CONTROL_SHADER
:
1699 case GL_TESS_EVALUATION_SHADER
:
1701 destroy_program_variants(st
, shader
->Program
);
1711 * Callback for _mesa_HashWalk. Free all the program variants which match
1712 * the given context.
1715 destroy_program_variants_cb(GLuint key
, void *data
, void *userData
)
1717 struct st_context
*st
= (struct st_context
*) userData
;
1718 struct gl_program
*program
= (struct gl_program
*) data
;
1719 destroy_program_variants(st
, program
);
1724 * Walk over all shaders and programs to delete any variants which
1725 * belong to the given context.
1726 * This is called during context tear-down.
1729 st_destroy_program_variants(struct st_context
*st
)
1731 /* ARB vert/frag program */
1732 _mesa_HashWalk(st
->ctx
->Shared
->Programs
,
1733 destroy_program_variants_cb
, st
);
1735 /* GLSL vert/frag/geom shaders */
1736 _mesa_HashWalk(st
->ctx
->Shared
->ShaderObjects
,
1737 destroy_shader_program_variants_cb
, st
);
1742 * For debugging, print/dump the current vertex program.
1745 st_print_current_vertex_program(void)
1747 GET_CURRENT_CONTEXT(ctx
);
1749 if (ctx
->VertexProgram
._Current
) {
1750 struct st_vertex_program
*stvp
=
1751 (struct st_vertex_program
*) ctx
->VertexProgram
._Current
;
1752 struct st_vp_variant
*stv
;
1754 debug_printf("Vertex program %u\n", stvp
->Base
.Base
.Id
);
1756 for (stv
= stvp
->variants
; stv
; stv
= stv
->next
) {
1757 debug_printf("variant %p\n", stv
);
1758 tgsi_dump(stv
->tgsi
.tokens
, 0);
1765 * Compile one shader variant.
1768 st_precompile_shader_variant(struct st_context
*st
,
1769 struct gl_program
*prog
)
1771 switch (prog
->Target
) {
1772 case GL_VERTEX_PROGRAM_ARB
: {
1773 struct st_vertex_program
*p
= (struct st_vertex_program
*)prog
;
1774 struct st_vp_variant_key key
;
1776 memset(&key
, 0, sizeof(key
));
1778 st_get_vp_variant(st
, p
, &key
);
1782 case GL_TESS_CONTROL_PROGRAM_NV
: {
1783 struct st_tessctrl_program
*p
= (struct st_tessctrl_program
*)prog
;
1784 struct st_tcp_variant_key key
;
1786 memset(&key
, 0, sizeof(key
));
1788 st_get_tcp_variant(st
, p
, &key
);
1792 case GL_TESS_EVALUATION_PROGRAM_NV
: {
1793 struct st_tesseval_program
*p
= (struct st_tesseval_program
*)prog
;
1794 struct st_tep_variant_key key
;
1796 memset(&key
, 0, sizeof(key
));
1798 st_get_tep_variant(st
, p
, &key
);
1802 case GL_GEOMETRY_PROGRAM_NV
: {
1803 struct st_geometry_program
*p
= (struct st_geometry_program
*)prog
;
1804 struct st_gp_variant_key key
;
1806 memset(&key
, 0, sizeof(key
));
1808 st_get_gp_variant(st
, p
, &key
);
1812 case GL_FRAGMENT_PROGRAM_ARB
: {
1813 struct st_fragment_program
*p
= (struct st_fragment_program
*)prog
;
1814 struct st_fp_variant_key key
;
1816 memset(&key
, 0, sizeof(key
));
1818 st_get_fp_variant(st
, p
, &key
);