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
);
120 * Free all variants of a fragment program.
123 st_release_fp_variants(struct st_context
*st
, struct st_fragment_program
*stfp
)
125 struct st_fp_variant
*fpv
;
127 for (fpv
= stfp
->variants
; fpv
; ) {
128 struct st_fp_variant
*next
= fpv
->next
;
129 delete_fp_variant(st
, fpv
);
133 stfp
->variants
= NULL
;
135 if (stfp
->tgsi
.tokens
) {
136 ureg_free_tokens(stfp
->tgsi
.tokens
);
137 stfp
->tgsi
.tokens
= NULL
;
143 * Delete a geometry program variant. Note the caller must unlink
144 * the variant from the linked list.
147 delete_gp_variant(struct st_context
*st
, struct st_gp_variant
*gpv
)
149 if (gpv
->driver_shader
)
150 cso_delete_geometry_shader(st
->cso_context
, gpv
->driver_shader
);
157 * Free all variants of a geometry program.
160 st_release_gp_variants(struct st_context
*st
, struct st_geometry_program
*stgp
)
162 struct st_gp_variant
*gpv
;
164 for (gpv
= stgp
->variants
; gpv
; ) {
165 struct st_gp_variant
*next
= gpv
->next
;
166 delete_gp_variant(st
, gpv
);
170 stgp
->variants
= NULL
;
172 if (stgp
->tgsi
.tokens
) {
173 ureg_free_tokens(stgp
->tgsi
.tokens
);
174 stgp
->tgsi
.tokens
= NULL
;
180 * Delete a tessellation control program variant. Note the caller must unlink
181 * the variant from the linked list.
184 delete_tcp_variant(struct st_context
*st
, struct st_tcp_variant
*tcpv
)
186 if (tcpv
->driver_shader
)
187 cso_delete_tessctrl_shader(st
->cso_context
, tcpv
->driver_shader
);
194 * Free all variants of a tessellation control program.
197 st_release_tcp_variants(struct st_context
*st
, struct st_tessctrl_program
*sttcp
)
199 struct st_tcp_variant
*tcpv
;
201 for (tcpv
= sttcp
->variants
; tcpv
; ) {
202 struct st_tcp_variant
*next
= tcpv
->next
;
203 delete_tcp_variant(st
, tcpv
);
207 sttcp
->variants
= NULL
;
209 if (sttcp
->tgsi
.tokens
) {
210 ureg_free_tokens(sttcp
->tgsi
.tokens
);
211 sttcp
->tgsi
.tokens
= NULL
;
217 * Delete a tessellation evaluation program variant. Note the caller must
218 * unlink the variant from the linked list.
221 delete_tep_variant(struct st_context
*st
, struct st_tep_variant
*tepv
)
223 if (tepv
->driver_shader
)
224 cso_delete_tesseval_shader(st
->cso_context
, tepv
->driver_shader
);
231 * Free all variants of a tessellation evaluation program.
234 st_release_tep_variants(struct st_context
*st
, struct st_tesseval_program
*sttep
)
236 struct st_tep_variant
*tepv
;
238 for (tepv
= sttep
->variants
; tepv
; ) {
239 struct st_tep_variant
*next
= tepv
->next
;
240 delete_tep_variant(st
, tepv
);
244 sttep
->variants
= NULL
;
246 if (sttep
->tgsi
.tokens
) {
247 ureg_free_tokens(sttep
->tgsi
.tokens
);
248 sttep
->tgsi
.tokens
= NULL
;
254 * Translate a vertex program.
257 st_translate_vertex_program(struct st_context
*st
,
258 struct st_vertex_program
*stvp
)
260 struct ureg_program
*ureg
;
261 enum pipe_error error
;
262 unsigned num_outputs
= 0;
264 unsigned input_to_index
[VERT_ATTRIB_MAX
] = {0};
265 unsigned output_slot_to_attr
[VARYING_SLOT_MAX
] = {0};
266 ubyte output_semantic_name
[VARYING_SLOT_MAX
] = {0};
267 ubyte output_semantic_index
[VARYING_SLOT_MAX
] = {0};
269 stvp
->num_inputs
= 0;
271 if (stvp
->Base
.IsPositionInvariant
)
272 _mesa_insert_mvp_code(st
->ctx
, &stvp
->Base
);
275 * Determine number of inputs, the mappings between VERT_ATTRIB_x
276 * and TGSI generic input indexes, plus input attrib semantic info.
278 for (attr
= 0; attr
< VERT_ATTRIB_MAX
; attr
++) {
279 if ((stvp
->Base
.Base
.InputsRead
& BITFIELD64_BIT(attr
)) != 0) {
280 input_to_index
[attr
] = stvp
->num_inputs
;
281 stvp
->index_to_input
[stvp
->num_inputs
] = attr
;
283 if ((stvp
->Base
.Base
.DoubleInputsRead
& BITFIELD64_BIT(attr
)) != 0) {
284 /* add placeholder for second part of a double attribute */
285 stvp
->index_to_input
[stvp
->num_inputs
] = ST_DOUBLE_ATTRIB_PLACEHOLDER
;
290 /* bit of a hack, presetup potentially unused edgeflag input */
291 input_to_index
[VERT_ATTRIB_EDGEFLAG
] = stvp
->num_inputs
;
292 stvp
->index_to_input
[stvp
->num_inputs
] = VERT_ATTRIB_EDGEFLAG
;
294 /* Compute mapping of vertex program outputs to slots.
296 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
297 if ((stvp
->Base
.Base
.OutputsWritten
& BITFIELD64_BIT(attr
)) == 0) {
298 stvp
->result_to_output
[attr
] = ~0;
301 unsigned slot
= num_outputs
++;
303 stvp
->result_to_output
[attr
] = slot
;
304 output_slot_to_attr
[slot
] = attr
;
307 case VARYING_SLOT_POS
:
308 output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
309 output_semantic_index
[slot
] = 0;
311 case VARYING_SLOT_COL0
:
312 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
313 output_semantic_index
[slot
] = 0;
315 case VARYING_SLOT_COL1
:
316 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
317 output_semantic_index
[slot
] = 1;
319 case VARYING_SLOT_BFC0
:
320 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
321 output_semantic_index
[slot
] = 0;
323 case VARYING_SLOT_BFC1
:
324 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
325 output_semantic_index
[slot
] = 1;
327 case VARYING_SLOT_FOGC
:
328 output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
329 output_semantic_index
[slot
] = 0;
331 case VARYING_SLOT_PSIZ
:
332 output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
333 output_semantic_index
[slot
] = 0;
335 case VARYING_SLOT_CLIP_DIST0
:
336 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
337 output_semantic_index
[slot
] = 0;
339 case VARYING_SLOT_CLIP_DIST1
:
340 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
341 output_semantic_index
[slot
] = 1;
343 case VARYING_SLOT_EDGE
:
346 case VARYING_SLOT_CLIP_VERTEX
:
347 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
348 output_semantic_index
[slot
] = 0;
350 case VARYING_SLOT_LAYER
:
351 output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
352 output_semantic_index
[slot
] = 0;
354 case VARYING_SLOT_VIEWPORT
:
355 output_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
356 output_semantic_index
[slot
] = 0;
359 case VARYING_SLOT_TEX0
:
360 case VARYING_SLOT_TEX1
:
361 case VARYING_SLOT_TEX2
:
362 case VARYING_SLOT_TEX3
:
363 case VARYING_SLOT_TEX4
:
364 case VARYING_SLOT_TEX5
:
365 case VARYING_SLOT_TEX6
:
366 case VARYING_SLOT_TEX7
:
367 if (st
->needs_texcoord_semantic
) {
368 output_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
369 output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
373 case VARYING_SLOT_VAR0
:
375 assert(attr
>= VARYING_SLOT_VAR0
||
376 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
377 output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
378 output_semantic_index
[slot
] =
379 st_get_generic_varying_index(st
, attr
);
384 /* similar hack to above, presetup potentially unused edgeflag output */
385 stvp
->result_to_output
[VARYING_SLOT_EDGE
] = num_outputs
;
386 output_semantic_name
[num_outputs
] = TGSI_SEMANTIC_EDGEFLAG
;
387 output_semantic_index
[num_outputs
] = 0;
389 if (!stvp
->glsl_to_tgsi
)
390 _mesa_remove_output_reads(&stvp
->Base
.Base
, PROGRAM_OUTPUT
);
392 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_VERTEX
, st
->pipe
->screen
);
396 if (stvp
->Base
.Base
.ClipDistanceArraySize
)
397 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
398 stvp
->Base
.Base
.ClipDistanceArraySize
);
400 if (ST_DEBUG
& DEBUG_MESA
) {
401 _mesa_print_program(&stvp
->Base
.Base
);
402 _mesa_print_program_parameters(st
->ctx
, &stvp
->Base
.Base
);
406 if (stvp
->glsl_to_tgsi
) {
407 error
= st_translate_program(st
->ctx
,
408 TGSI_PROCESSOR_VERTEX
,
415 NULL
, /* inputSlotToAttr */
416 NULL
, /* input semantic name */
417 NULL
, /* input semantic index */
418 NULL
, /* interp mode */
419 NULL
, /* interp location */
422 stvp
->result_to_output
,
424 output_semantic_name
,
425 output_semantic_index
);
427 st_translate_stream_output_info(stvp
->glsl_to_tgsi
,
428 stvp
->result_to_output
,
429 &stvp
->tgsi
.stream_output
);
431 free_glsl_to_tgsi_visitor(stvp
->glsl_to_tgsi
);
432 stvp
->glsl_to_tgsi
= NULL
;
434 error
= st_translate_mesa_program(st
->ctx
,
435 TGSI_PROCESSOR_VERTEX
,
441 NULL
, /* input semantic name */
442 NULL
, /* input semantic index */
446 stvp
->result_to_output
,
447 output_semantic_name
,
448 output_semantic_index
);
451 debug_printf("%s: failed to translate Mesa program:\n", __func__
);
452 _mesa_print_program(&stvp
->Base
.Base
);
457 stvp
->tgsi
.tokens
= ureg_get_tokens(ureg
, NULL
);
459 return stvp
->tgsi
.tokens
!= NULL
;
462 static struct st_vp_variant
*
463 st_create_vp_variant(struct st_context
*st
,
464 struct st_vertex_program
*stvp
,
465 const struct st_vp_variant_key
*key
)
467 struct st_vp_variant
*vpv
= CALLOC_STRUCT(st_vp_variant
);
468 struct pipe_context
*pipe
= st
->pipe
;
471 vpv
->tgsi
.tokens
= tgsi_dup_tokens(stvp
->tgsi
.tokens
);
472 vpv
->tgsi
.stream_output
= stvp
->tgsi
.stream_output
;
473 vpv
->num_inputs
= stvp
->num_inputs
;
475 /* Emulate features. */
476 if (key
->clamp_color
|| key
->passthrough_edgeflags
) {
477 const struct tgsi_token
*tokens
;
479 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
480 (key
->passthrough_edgeflags
? TGSI_EMU_PASSTHROUGH_EDGEFLAG
: 0);
482 tokens
= tgsi_emulate(vpv
->tgsi
.tokens
, flags
);
485 tgsi_free_tokens(vpv
->tgsi
.tokens
);
486 vpv
->tgsi
.tokens
= tokens
;
488 if (key
->passthrough_edgeflags
)
491 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
494 if (ST_DEBUG
& DEBUG_TGSI
) {
495 tgsi_dump(vpv
->tgsi
.tokens
, 0);
499 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
505 * Find/create a vertex program variant.
507 struct st_vp_variant
*
508 st_get_vp_variant(struct st_context
*st
,
509 struct st_vertex_program
*stvp
,
510 const struct st_vp_variant_key
*key
)
512 struct st_vp_variant
*vpv
;
514 /* Search for existing variant */
515 for (vpv
= stvp
->variants
; vpv
; vpv
= vpv
->next
) {
516 if (memcmp(&vpv
->key
, key
, sizeof(*key
)) == 0) {
523 vpv
= st_create_vp_variant(st
, stvp
, key
);
525 /* insert into list */
526 vpv
->next
= stvp
->variants
;
527 stvp
->variants
= vpv
;
536 st_translate_interp(enum glsl_interp_qualifier glsl_qual
, bool is_color
)
539 case INTERP_QUALIFIER_NONE
:
541 return TGSI_INTERPOLATE_COLOR
;
542 return TGSI_INTERPOLATE_PERSPECTIVE
;
543 case INTERP_QUALIFIER_SMOOTH
:
544 return TGSI_INTERPOLATE_PERSPECTIVE
;
545 case INTERP_QUALIFIER_FLAT
:
546 return TGSI_INTERPOLATE_CONSTANT
;
547 case INTERP_QUALIFIER_NOPERSPECTIVE
:
548 return TGSI_INTERPOLATE_LINEAR
;
550 assert(0 && "unexpected interp mode in st_translate_interp()");
551 return TGSI_INTERPOLATE_PERSPECTIVE
;
557 * Translate a Mesa fragment shader into a TGSI shader.
560 st_translate_fragment_program(struct st_context
*st
,
561 struct st_fragment_program
*stfp
)
563 GLuint outputMapping
[FRAG_RESULT_MAX
];
564 GLuint inputMapping
[VARYING_SLOT_MAX
];
565 GLuint inputSlotToAttr
[VARYING_SLOT_MAX
];
566 GLuint interpMode
[PIPE_MAX_SHADER_INPUTS
]; /* XXX size? */
567 GLuint interpLocation
[PIPE_MAX_SHADER_INPUTS
];
569 GLbitfield64 inputsRead
;
570 struct ureg_program
*ureg
;
572 GLboolean write_all
= GL_FALSE
;
574 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
575 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
576 uint fs_num_inputs
= 0;
578 ubyte fs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
579 ubyte fs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
580 uint fs_num_outputs
= 0;
582 memset(inputSlotToAttr
, ~0, sizeof(inputSlotToAttr
));
584 if (!stfp
->glsl_to_tgsi
) {
585 _mesa_remove_output_reads(&stfp
->Base
.Base
, PROGRAM_OUTPUT
);
586 if (st
->ctx
->Const
.GLSLFragCoordIsSysVal
)
587 _mesa_program_fragment_position_to_sysval(&stfp
->Base
.Base
);
591 * Convert Mesa program inputs to TGSI input register semantics.
593 inputsRead
= stfp
->Base
.Base
.InputsRead
;
594 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
595 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
596 const GLuint slot
= fs_num_inputs
++;
598 inputMapping
[attr
] = slot
;
599 inputSlotToAttr
[slot
] = attr
;
600 if (stfp
->Base
.IsCentroid
& BITFIELD64_BIT(attr
))
601 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_CENTROID
;
602 else if (stfp
->Base
.IsSample
& BITFIELD64_BIT(attr
))
603 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_SAMPLE
;
605 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_CENTER
;
607 if (stfp
->Base
.Base
.SystemValuesRead
& (SYSTEM_BIT_SAMPLE_ID
|
608 SYSTEM_BIT_SAMPLE_POS
))
609 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_SAMPLE
;
612 case VARYING_SLOT_POS
:
613 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
614 input_semantic_index
[slot
] = 0;
615 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
617 case VARYING_SLOT_COL0
:
618 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
619 input_semantic_index
[slot
] = 0;
620 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
623 case VARYING_SLOT_COL1
:
624 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
625 input_semantic_index
[slot
] = 1;
626 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
629 case VARYING_SLOT_FOGC
:
630 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
631 input_semantic_index
[slot
] = 0;
632 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
634 case VARYING_SLOT_FACE
:
635 input_semantic_name
[slot
] = TGSI_SEMANTIC_FACE
;
636 input_semantic_index
[slot
] = 0;
637 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
639 case VARYING_SLOT_PRIMITIVE_ID
:
640 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
641 input_semantic_index
[slot
] = 0;
642 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
644 case VARYING_SLOT_LAYER
:
645 input_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
646 input_semantic_index
[slot
] = 0;
647 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
649 case VARYING_SLOT_VIEWPORT
:
650 input_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
651 input_semantic_index
[slot
] = 0;
652 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
654 case VARYING_SLOT_CLIP_DIST0
:
655 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
656 input_semantic_index
[slot
] = 0;
657 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
659 case VARYING_SLOT_CLIP_DIST1
:
660 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
661 input_semantic_index
[slot
] = 1;
662 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
664 /* In most cases, there is nothing special about these
665 * inputs, so adopt a convention to use the generic
666 * semantic name and the mesa VARYING_SLOT_ number as the
669 * All that is required is that the vertex shader labels
670 * its own outputs similarly, and that the vertex shader
671 * generates at least every output required by the
672 * fragment shader plus fixed-function hardware (such as
675 * However, some drivers may need us to identify the PNTC and TEXi
676 * varyings if, for example, their capability to replace them with
677 * sprite coordinates is limited.
679 case VARYING_SLOT_PNTC
:
680 if (st
->needs_texcoord_semantic
) {
681 input_semantic_name
[slot
] = TGSI_SEMANTIC_PCOORD
;
682 input_semantic_index
[slot
] = 0;
683 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
687 case VARYING_SLOT_TEX0
:
688 case VARYING_SLOT_TEX1
:
689 case VARYING_SLOT_TEX2
:
690 case VARYING_SLOT_TEX3
:
691 case VARYING_SLOT_TEX4
:
692 case VARYING_SLOT_TEX5
:
693 case VARYING_SLOT_TEX6
:
694 case VARYING_SLOT_TEX7
:
695 if (st
->needs_texcoord_semantic
) {
696 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
697 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
699 st_translate_interp(stfp
->Base
.InterpQualifier
[attr
], FALSE
);
703 case VARYING_SLOT_VAR0
:
705 /* Semantic indices should be zero-based because drivers may choose
706 * to assign a fixed slot determined by that index.
707 * This is useful because ARB_separate_shader_objects uses location
708 * qualifiers for linkage, and if the semantic index corresponds to
709 * these locations, linkage passes in the driver become unecessary.
711 * If needs_texcoord_semantic is true, no semantic indices will be
712 * consumed for the TEXi varyings, and we can base the locations of
713 * the user varyings on VAR0. Otherwise, we use TEX0 as base index.
715 assert(attr
>= VARYING_SLOT_VAR0
|| attr
== VARYING_SLOT_PNTC
||
716 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
717 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
718 input_semantic_index
[slot
] = st_get_generic_varying_index(st
, attr
);
719 if (attr
== VARYING_SLOT_PNTC
)
720 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
722 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
728 inputMapping
[attr
] = -1;
733 * Semantics and mapping for outputs
737 GLbitfield64 outputsWritten
= stfp
->Base
.Base
.OutputsWritten
;
739 /* if z is written, emit that first */
740 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
741 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_POSITION
;
742 fs_output_semantic_index
[fs_num_outputs
] = 0;
743 outputMapping
[FRAG_RESULT_DEPTH
] = fs_num_outputs
;
745 outputsWritten
&= ~(1 << FRAG_RESULT_DEPTH
);
748 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_STENCIL
)) {
749 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_STENCIL
;
750 fs_output_semantic_index
[fs_num_outputs
] = 0;
751 outputMapping
[FRAG_RESULT_STENCIL
] = fs_num_outputs
;
753 outputsWritten
&= ~(1 << FRAG_RESULT_STENCIL
);
756 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK
)) {
757 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_SAMPLEMASK
;
758 fs_output_semantic_index
[fs_num_outputs
] = 0;
759 outputMapping
[FRAG_RESULT_SAMPLE_MASK
] = fs_num_outputs
;
761 outputsWritten
&= ~(1 << FRAG_RESULT_SAMPLE_MASK
);
764 /* handle remaining outputs (color) */
765 for (attr
= 0; attr
< FRAG_RESULT_MAX
; attr
++) {
766 if (outputsWritten
& BITFIELD64_BIT(attr
)) {
768 case FRAG_RESULT_DEPTH
:
769 case FRAG_RESULT_STENCIL
:
770 case FRAG_RESULT_SAMPLE_MASK
:
774 case FRAG_RESULT_COLOR
:
775 write_all
= GL_TRUE
; /* fallthrough */
777 assert(attr
== FRAG_RESULT_COLOR
||
778 (FRAG_RESULT_DATA0
<= attr
&& attr
< FRAG_RESULT_MAX
));
779 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_COLOR
;
780 fs_output_semantic_index
[fs_num_outputs
] = numColors
;
781 outputMapping
[attr
] = fs_num_outputs
;
791 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_FRAGMENT
, st
->pipe
->screen
);
795 if (ST_DEBUG
& DEBUG_MESA
) {
796 _mesa_print_program(&stfp
->Base
.Base
);
797 _mesa_print_program_parameters(st
->ctx
, &stfp
->Base
.Base
);
800 if (write_all
== GL_TRUE
)
801 ureg_property(ureg
, TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS
, 1);
803 if (stfp
->Base
.FragDepthLayout
!= FRAG_DEPTH_LAYOUT_NONE
) {
804 switch (stfp
->Base
.FragDepthLayout
) {
805 case FRAG_DEPTH_LAYOUT_ANY
:
806 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
807 TGSI_FS_DEPTH_LAYOUT_ANY
);
809 case FRAG_DEPTH_LAYOUT_GREATER
:
810 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
811 TGSI_FS_DEPTH_LAYOUT_GREATER
);
813 case FRAG_DEPTH_LAYOUT_LESS
:
814 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
815 TGSI_FS_DEPTH_LAYOUT_LESS
);
817 case FRAG_DEPTH_LAYOUT_UNCHANGED
:
818 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
819 TGSI_FS_DEPTH_LAYOUT_UNCHANGED
);
826 if (stfp
->glsl_to_tgsi
) {
827 st_translate_program(st
->ctx
,
828 TGSI_PROCESSOR_FRAGMENT
,
837 input_semantic_index
,
844 fs_output_semantic_name
,
845 fs_output_semantic_index
);
847 free_glsl_to_tgsi_visitor(stfp
->glsl_to_tgsi
);
848 stfp
->glsl_to_tgsi
= NULL
;
850 st_translate_mesa_program(st
->ctx
,
851 TGSI_PROCESSOR_FRAGMENT
,
858 input_semantic_index
,
863 fs_output_semantic_name
,
864 fs_output_semantic_index
);
866 stfp
->tgsi
.tokens
= ureg_get_tokens(ureg
, NULL
);
868 return stfp
->tgsi
.tokens
!= NULL
;
871 static struct st_fp_variant
*
872 st_create_fp_variant(struct st_context
*st
,
873 struct st_fragment_program
*stfp
,
874 const struct st_fp_variant_key
*key
)
876 struct pipe_context
*pipe
= st
->pipe
;
877 struct st_fp_variant
*variant
= CALLOC_STRUCT(st_fp_variant
);
878 struct pipe_shader_state tgsi
= {0};
883 tgsi
.tokens
= stfp
->tgsi
.tokens
;
885 assert(!(key
->bitmap
&& key
->drawpixels
));
887 /* Emulate features. */
888 if (key
->clamp_color
|| key
->persample_shading
) {
889 const struct tgsi_token
*tokens
;
891 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
892 (key
->persample_shading
? TGSI_EMU_FORCE_PERSAMPLE_INTERP
: 0);
894 tokens
= tgsi_emulate(tgsi
.tokens
, flags
);
897 tgsi
.tokens
= tokens
;
899 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
904 const struct tgsi_token
*tokens
;
906 variant
->bitmap_sampler
= ffs(~stfp
->Base
.Base
.SamplersUsed
) - 1;
908 tokens
= st_get_bitmap_shader(tgsi
.tokens
,
909 variant
->bitmap_sampler
,
910 st
->needs_texcoord_semantic
,
911 st
->bitmap
.tex_format
==
912 PIPE_FORMAT_L8_UNORM
);
915 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
916 tgsi_free_tokens(tgsi
.tokens
);
917 tgsi
.tokens
= tokens
;
919 fprintf(stderr
, "mesa: cannot create a shader for glBitmap\n");
922 /* glDrawPixels (color only) */
923 if (key
->drawpixels
) {
924 const struct tgsi_token
*tokens
;
925 unsigned scale_const
= 0, bias_const
= 0, texcoord_const
= 0;
926 struct gl_program_parameter_list
*params
= stfp
->Base
.Base
.Parameters
;
928 /* Find the first unused slot. */
929 variant
->drawpix_sampler
= ffs(~stfp
->Base
.Base
.SamplersUsed
) - 1;
931 if (key
->pixelMaps
) {
932 unsigned samplers_used
= stfp
->Base
.Base
.SamplersUsed
|
933 (1 << variant
->drawpix_sampler
);
935 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
938 if (key
->scaleAndBias
) {
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
};
944 scale_const
= _mesa_add_state_reference(params
, scale_state
);
945 bias_const
= _mesa_add_state_reference(params
, bias_state
);
949 static const gl_state_index state
[STATE_LENGTH
] =
950 { STATE_INTERNAL
, STATE_CURRENT_ATTRIB
, VERT_ATTRIB_TEX0
};
952 texcoord_const
= _mesa_add_state_reference(params
, state
);
955 tokens
= st_get_drawpix_shader(tgsi
.tokens
,
956 st
->needs_texcoord_semantic
,
957 key
->scaleAndBias
, scale_const
,
958 bias_const
, key
->pixelMaps
,
959 variant
->drawpix_sampler
,
960 variant
->pixelmap_sampler
,
964 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
965 tgsi_free_tokens(tgsi
.tokens
);
966 tgsi
.tokens
= tokens
;
968 fprintf(stderr
, "mesa: cannot create a shader for glDrawPixels\n");
971 if (ST_DEBUG
& DEBUG_TGSI
) {
972 tgsi_dump(tgsi
.tokens
, 0);
976 /* fill in variant */
977 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
980 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
981 tgsi_free_tokens(tgsi
.tokens
);
986 * Translate fragment program if needed.
988 struct st_fp_variant
*
989 st_get_fp_variant(struct st_context
*st
,
990 struct st_fragment_program
*stfp
,
991 const struct st_fp_variant_key
*key
)
993 struct st_fp_variant
*fpv
;
995 /* Search for existing variant */
996 for (fpv
= stfp
->variants
; fpv
; fpv
= fpv
->next
) {
997 if (memcmp(&fpv
->key
, key
, sizeof(*key
)) == 0) {
1004 fpv
= st_create_fp_variant(st
, stfp
, key
);
1006 /* insert into list */
1007 fpv
->next
= stfp
->variants
;
1008 stfp
->variants
= fpv
;
1017 * Translate a program. This is common code for geometry and tessellation
1021 st_translate_program_common(struct st_context
*st
,
1022 struct gl_program
*prog
,
1023 struct glsl_to_tgsi_visitor
*glsl_to_tgsi
,
1024 struct ureg_program
*ureg
,
1025 unsigned tgsi_processor
,
1026 struct pipe_shader_state
*out_state
)
1028 GLuint inputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
1029 GLuint inputMapping
[VARYING_SLOT_TESS_MAX
];
1030 GLuint outputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
1031 GLuint outputMapping
[VARYING_SLOT_TESS_MAX
];
1034 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
1035 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
1036 uint num_inputs
= 0;
1038 ubyte output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
1039 ubyte output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
1040 uint num_outputs
= 0;
1044 memset(inputSlotToAttr
, 0, sizeof(inputSlotToAttr
));
1045 memset(inputMapping
, 0, sizeof(inputMapping
));
1046 memset(outputSlotToAttr
, 0, sizeof(outputSlotToAttr
));
1047 memset(outputMapping
, 0, sizeof(outputMapping
));
1048 memset(out_state
, 0, sizeof(*out_state
));
1050 if (prog
->ClipDistanceArraySize
)
1051 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
1052 prog
->ClipDistanceArraySize
);
1055 * Convert Mesa program inputs to TGSI input register semantics.
1057 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1058 if ((prog
->InputsRead
& BITFIELD64_BIT(attr
)) != 0) {
1059 const GLuint slot
= num_inputs
++;
1061 inputMapping
[attr
] = slot
;
1062 inputSlotToAttr
[slot
] = attr
;
1065 case VARYING_SLOT_PRIMITIVE_ID
:
1066 assert(tgsi_processor
== TGSI_PROCESSOR_GEOMETRY
);
1067 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
1068 input_semantic_index
[slot
] = 0;
1070 case VARYING_SLOT_POS
:
1071 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
1072 input_semantic_index
[slot
] = 0;
1074 case VARYING_SLOT_COL0
:
1075 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1076 input_semantic_index
[slot
] = 0;
1078 case VARYING_SLOT_COL1
:
1079 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1080 input_semantic_index
[slot
] = 1;
1082 case VARYING_SLOT_FOGC
:
1083 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1084 input_semantic_index
[slot
] = 0;
1086 case VARYING_SLOT_CLIP_VERTEX
:
1087 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1088 input_semantic_index
[slot
] = 0;
1090 case VARYING_SLOT_CLIP_DIST0
:
1091 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1092 input_semantic_index
[slot
] = 0;
1094 case VARYING_SLOT_CLIP_DIST1
:
1095 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1096 input_semantic_index
[slot
] = 1;
1098 case VARYING_SLOT_PSIZ
:
1099 input_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1100 input_semantic_index
[slot
] = 0;
1102 case VARYING_SLOT_TEX0
:
1103 case VARYING_SLOT_TEX1
:
1104 case VARYING_SLOT_TEX2
:
1105 case VARYING_SLOT_TEX3
:
1106 case VARYING_SLOT_TEX4
:
1107 case VARYING_SLOT_TEX5
:
1108 case VARYING_SLOT_TEX6
:
1109 case VARYING_SLOT_TEX7
:
1110 if (st
->needs_texcoord_semantic
) {
1111 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1112 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1116 case VARYING_SLOT_VAR0
:
1118 assert(attr
>= VARYING_SLOT_VAR0
||
1119 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1120 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1121 input_semantic_index
[slot
] =
1122 st_get_generic_varying_index(st
, attr
);
1128 /* Also add patch inputs. */
1129 for (attr
= 0; attr
< 32; attr
++) {
1130 if (prog
->PatchInputsRead
& (1 << attr
)) {
1131 GLuint slot
= num_inputs
++;
1132 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1134 inputMapping
[patch_attr
] = slot
;
1135 inputSlotToAttr
[slot
] = patch_attr
;
1136 input_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1137 input_semantic_index
[slot
] = attr
;
1141 /* initialize output semantics to defaults */
1142 for (i
= 0; i
< PIPE_MAX_SHADER_OUTPUTS
; i
++) {
1143 output_semantic_name
[i
] = TGSI_SEMANTIC_GENERIC
;
1144 output_semantic_index
[i
] = 0;
1148 * Determine number of outputs, the (default) output register
1149 * mapping and the semantic information for each output.
1151 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1152 if (prog
->OutputsWritten
& BITFIELD64_BIT(attr
)) {
1153 GLuint slot
= num_outputs
++;
1155 outputMapping
[attr
] = slot
;
1156 outputSlotToAttr
[slot
] = attr
;
1159 case VARYING_SLOT_POS
:
1161 output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
1162 output_semantic_index
[slot
] = 0;
1164 case VARYING_SLOT_COL0
:
1165 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1166 output_semantic_index
[slot
] = 0;
1168 case VARYING_SLOT_COL1
:
1169 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1170 output_semantic_index
[slot
] = 1;
1172 case VARYING_SLOT_BFC0
:
1173 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1174 output_semantic_index
[slot
] = 0;
1176 case VARYING_SLOT_BFC1
:
1177 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1178 output_semantic_index
[slot
] = 1;
1180 case VARYING_SLOT_FOGC
:
1181 output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1182 output_semantic_index
[slot
] = 0;
1184 case VARYING_SLOT_PSIZ
:
1185 output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1186 output_semantic_index
[slot
] = 0;
1188 case VARYING_SLOT_CLIP_VERTEX
:
1189 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1190 output_semantic_index
[slot
] = 0;
1192 case VARYING_SLOT_CLIP_DIST0
:
1193 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1194 output_semantic_index
[slot
] = 0;
1196 case VARYING_SLOT_CLIP_DIST1
:
1197 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1198 output_semantic_index
[slot
] = 1;
1200 case VARYING_SLOT_LAYER
:
1201 output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
1202 output_semantic_index
[slot
] = 0;
1204 case VARYING_SLOT_PRIMITIVE_ID
:
1205 output_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
1206 output_semantic_index
[slot
] = 0;
1208 case VARYING_SLOT_VIEWPORT
:
1209 output_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
1210 output_semantic_index
[slot
] = 0;
1212 case VARYING_SLOT_TESS_LEVEL_OUTER
:
1213 output_semantic_name
[slot
] = TGSI_SEMANTIC_TESSOUTER
;
1214 output_semantic_index
[slot
] = 0;
1216 case VARYING_SLOT_TESS_LEVEL_INNER
:
1217 output_semantic_name
[slot
] = TGSI_SEMANTIC_TESSINNER
;
1218 output_semantic_index
[slot
] = 0;
1220 case VARYING_SLOT_TEX0
:
1221 case VARYING_SLOT_TEX1
:
1222 case VARYING_SLOT_TEX2
:
1223 case VARYING_SLOT_TEX3
:
1224 case VARYING_SLOT_TEX4
:
1225 case VARYING_SLOT_TEX5
:
1226 case VARYING_SLOT_TEX6
:
1227 case VARYING_SLOT_TEX7
:
1228 if (st
->needs_texcoord_semantic
) {
1229 output_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1230 output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1234 case VARYING_SLOT_VAR0
:
1236 assert(slot
< ARRAY_SIZE(output_semantic_name
));
1237 assert(attr
>= VARYING_SLOT_VAR0
||
1238 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1239 output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1240 output_semantic_index
[slot
] =
1241 st_get_generic_varying_index(st
, attr
);
1247 /* Also add patch outputs. */
1248 for (attr
= 0; attr
< 32; attr
++) {
1249 if (prog
->PatchOutputsWritten
& (1 << attr
)) {
1250 GLuint slot
= num_outputs
++;
1251 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1253 outputMapping
[patch_attr
] = slot
;
1254 outputSlotToAttr
[slot
] = patch_attr
;
1255 output_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1256 output_semantic_index
[slot
] = attr
;
1260 st_translate_program(st
->ctx
,
1269 input_semantic_name
,
1270 input_semantic_index
,
1277 output_semantic_name
,
1278 output_semantic_index
);
1280 out_state
->tokens
= ureg_get_tokens(ureg
, NULL
);
1283 st_translate_stream_output_info(glsl_to_tgsi
,
1285 &out_state
->stream_output
);
1287 if ((ST_DEBUG
& DEBUG_TGSI
) && (ST_DEBUG
& DEBUG_MESA
)) {
1288 _mesa_print_program(prog
);
1292 if (ST_DEBUG
& DEBUG_TGSI
) {
1293 tgsi_dump(out_state
->tokens
, 0);
1300 * Translate a geometry program to create a new variant.
1303 st_translate_geometry_program(struct st_context
*st
,
1304 struct st_geometry_program
*stgp
)
1306 struct ureg_program
*ureg
;
1308 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_GEOMETRY
, st
->pipe
->screen
);
1312 ureg_property(ureg
, TGSI_PROPERTY_GS_INPUT_PRIM
, stgp
->Base
.InputType
);
1313 ureg_property(ureg
, TGSI_PROPERTY_GS_OUTPUT_PRIM
, stgp
->Base
.OutputType
);
1314 ureg_property(ureg
, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES
,
1315 stgp
->Base
.VerticesOut
);
1316 ureg_property(ureg
, TGSI_PROPERTY_GS_INVOCATIONS
, stgp
->Base
.Invocations
);
1318 st_translate_program_common(st
, &stgp
->Base
.Base
, stgp
->glsl_to_tgsi
, ureg
,
1319 TGSI_PROCESSOR_GEOMETRY
, &stgp
->tgsi
);
1321 free_glsl_to_tgsi_visitor(stgp
->glsl_to_tgsi
);
1322 stgp
->glsl_to_tgsi
= NULL
;
1327 static struct st_gp_variant
*
1328 st_create_gp_variant(struct st_context
*st
,
1329 struct st_geometry_program
*stgp
,
1330 const struct st_gp_variant_key
*key
)
1332 struct pipe_context
*pipe
= st
->pipe
;
1333 struct st_gp_variant
*gpv
;
1335 gpv
= CALLOC_STRUCT(st_gp_variant
);
1339 /* fill in new variant */
1340 gpv
->driver_shader
= pipe
->create_gs_state(pipe
, &stgp
->tgsi
);
1347 * Get/create geometry program variant.
1349 struct st_gp_variant
*
1350 st_get_gp_variant(struct st_context
*st
,
1351 struct st_geometry_program
*stgp
,
1352 const struct st_gp_variant_key
*key
)
1354 struct st_gp_variant
*gpv
;
1356 /* Search for existing variant */
1357 for (gpv
= stgp
->variants
; gpv
; gpv
= gpv
->next
) {
1358 if (memcmp(&gpv
->key
, key
, sizeof(*key
)) == 0) {
1365 gpv
= st_create_gp_variant(st
, stgp
, key
);
1367 /* insert into list */
1368 gpv
->next
= stgp
->variants
;
1369 stgp
->variants
= gpv
;
1378 * Translate a tessellation control program to create a new variant.
1381 st_translate_tessctrl_program(struct st_context
*st
,
1382 struct st_tessctrl_program
*sttcp
)
1384 struct ureg_program
*ureg
;
1386 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_TESS_CTRL
, st
->pipe
->screen
);
1390 ureg_property(ureg
, TGSI_PROPERTY_TCS_VERTICES_OUT
,
1391 sttcp
->Base
.VerticesOut
);
1393 st_translate_program_common(st
, &sttcp
->Base
.Base
, sttcp
->glsl_to_tgsi
,
1394 ureg
, TGSI_PROCESSOR_TESS_CTRL
, &sttcp
->tgsi
);
1396 free_glsl_to_tgsi_visitor(sttcp
->glsl_to_tgsi
);
1397 sttcp
->glsl_to_tgsi
= NULL
;
1402 static struct st_tcp_variant
*
1403 st_create_tcp_variant(struct st_context
*st
,
1404 struct st_tessctrl_program
*sttcp
,
1405 const struct st_tcp_variant_key
*key
)
1407 struct pipe_context
*pipe
= st
->pipe
;
1408 struct st_tcp_variant
*tcpv
;
1410 tcpv
= CALLOC_STRUCT(st_tcp_variant
);
1414 /* fill in new variant */
1415 tcpv
->driver_shader
= pipe
->create_tcs_state(pipe
, &sttcp
->tgsi
);
1422 * Get/create tessellation control program variant.
1424 struct st_tcp_variant
*
1425 st_get_tcp_variant(struct st_context
*st
,
1426 struct st_tessctrl_program
*sttcp
,
1427 const struct st_tcp_variant_key
*key
)
1429 struct st_tcp_variant
*tcpv
;
1431 /* Search for existing variant */
1432 for (tcpv
= sttcp
->variants
; tcpv
; tcpv
= tcpv
->next
) {
1433 if (memcmp(&tcpv
->key
, key
, sizeof(*key
)) == 0) {
1440 tcpv
= st_create_tcp_variant(st
, sttcp
, key
);
1442 /* insert into list */
1443 tcpv
->next
= sttcp
->variants
;
1444 sttcp
->variants
= tcpv
;
1453 * Translate a tessellation evaluation program to create a new variant.
1456 st_translate_tesseval_program(struct st_context
*st
,
1457 struct st_tesseval_program
*sttep
)
1459 struct ureg_program
*ureg
;
1461 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_TESS_EVAL
, st
->pipe
->screen
);
1465 if (sttep
->Base
.PrimitiveMode
== GL_ISOLINES
)
1466 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, GL_LINES
);
1468 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, sttep
->Base
.PrimitiveMode
);
1470 switch (sttep
->Base
.Spacing
) {
1472 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
, PIPE_TESS_SPACING_EQUAL
);
1474 case GL_FRACTIONAL_EVEN
:
1475 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1476 PIPE_TESS_SPACING_FRACTIONAL_EVEN
);
1478 case GL_FRACTIONAL_ODD
:
1479 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1480 PIPE_TESS_SPACING_FRACTIONAL_ODD
);
1486 ureg_property(ureg
, TGSI_PROPERTY_TES_VERTEX_ORDER_CW
,
1487 sttep
->Base
.VertexOrder
== GL_CW
);
1488 ureg_property(ureg
, TGSI_PROPERTY_TES_POINT_MODE
, sttep
->Base
.PointMode
);
1490 st_translate_program_common(st
, &sttep
->Base
.Base
, sttep
->glsl_to_tgsi
,
1491 ureg
, TGSI_PROCESSOR_TESS_EVAL
, &sttep
->tgsi
);
1493 free_glsl_to_tgsi_visitor(sttep
->glsl_to_tgsi
);
1494 sttep
->glsl_to_tgsi
= NULL
;
1499 static struct st_tep_variant
*
1500 st_create_tep_variant(struct st_context
*st
,
1501 struct st_tesseval_program
*sttep
,
1502 const struct st_tep_variant_key
*key
)
1504 struct pipe_context
*pipe
= st
->pipe
;
1505 struct st_tep_variant
*tepv
;
1507 tepv
= CALLOC_STRUCT(st_tep_variant
);
1511 /* fill in new variant */
1512 tepv
->driver_shader
= pipe
->create_tes_state(pipe
, &sttep
->tgsi
);
1519 * Get/create tessellation evaluation program variant.
1521 struct st_tep_variant
*
1522 st_get_tep_variant(struct st_context
*st
,
1523 struct st_tesseval_program
*sttep
,
1524 const struct st_tep_variant_key
*key
)
1526 struct st_tep_variant
*tepv
;
1528 /* Search for existing variant */
1529 for (tepv
= sttep
->variants
; tepv
; tepv
= tepv
->next
) {
1530 if (memcmp(&tepv
->key
, key
, sizeof(*key
)) == 0) {
1537 tepv
= st_create_tep_variant(st
, sttep
, key
);
1539 /* insert into list */
1540 tepv
->next
= sttep
->variants
;
1541 sttep
->variants
= tepv
;
1550 * Vert/Geom/Frag programs have per-context variants. Free all the
1551 * variants attached to the given program which match the given context.
1554 destroy_program_variants(struct st_context
*st
, struct gl_program
*program
)
1556 if (!program
|| program
== &_mesa_DummyProgram
)
1559 switch (program
->Target
) {
1560 case GL_VERTEX_PROGRAM_ARB
:
1562 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) program
;
1563 struct st_vp_variant
*vpv
, **prevPtr
= &stvp
->variants
;
1565 for (vpv
= stvp
->variants
; vpv
; ) {
1566 struct st_vp_variant
*next
= vpv
->next
;
1567 if (vpv
->key
.st
== st
) {
1568 /* unlink from list */
1570 /* destroy this variant */
1571 delete_vp_variant(st
, vpv
);
1574 prevPtr
= &vpv
->next
;
1580 case GL_FRAGMENT_PROGRAM_ARB
:
1582 struct st_fragment_program
*stfp
=
1583 (struct st_fragment_program
*) program
;
1584 struct st_fp_variant
*fpv
, **prevPtr
= &stfp
->variants
;
1586 for (fpv
= stfp
->variants
; fpv
; ) {
1587 struct st_fp_variant
*next
= fpv
->next
;
1588 if (fpv
->key
.st
== st
) {
1589 /* unlink from list */
1591 /* destroy this variant */
1592 delete_fp_variant(st
, fpv
);
1595 prevPtr
= &fpv
->next
;
1601 case GL_GEOMETRY_PROGRAM_NV
:
1603 struct st_geometry_program
*stgp
=
1604 (struct st_geometry_program
*) program
;
1605 struct st_gp_variant
*gpv
, **prevPtr
= &stgp
->variants
;
1607 for (gpv
= stgp
->variants
; gpv
; ) {
1608 struct st_gp_variant
*next
= gpv
->next
;
1609 if (gpv
->key
.st
== st
) {
1610 /* unlink from list */
1612 /* destroy this variant */
1613 delete_gp_variant(st
, gpv
);
1616 prevPtr
= &gpv
->next
;
1622 case GL_TESS_CONTROL_PROGRAM_NV
:
1624 struct st_tessctrl_program
*sttcp
=
1625 (struct st_tessctrl_program
*) program
;
1626 struct st_tcp_variant
*tcpv
, **prevPtr
= &sttcp
->variants
;
1628 for (tcpv
= sttcp
->variants
; tcpv
; ) {
1629 struct st_tcp_variant
*next
= tcpv
->next
;
1630 if (tcpv
->key
.st
== st
) {
1631 /* unlink from list */
1633 /* destroy this variant */
1634 delete_tcp_variant(st
, tcpv
);
1637 prevPtr
= &tcpv
->next
;
1643 case GL_TESS_EVALUATION_PROGRAM_NV
:
1645 struct st_tesseval_program
*sttep
=
1646 (struct st_tesseval_program
*) program
;
1647 struct st_tep_variant
*tepv
, **prevPtr
= &sttep
->variants
;
1649 for (tepv
= sttep
->variants
; tepv
; ) {
1650 struct st_tep_variant
*next
= tepv
->next
;
1651 if (tepv
->key
.st
== st
) {
1652 /* unlink from list */
1654 /* destroy this variant */
1655 delete_tep_variant(st
, tepv
);
1658 prevPtr
= &tepv
->next
;
1665 _mesa_problem(NULL
, "Unexpected program target 0x%x in "
1666 "destroy_program_variants_cb()", program
->Target
);
1672 * Callback for _mesa_HashWalk. Free all the shader's program variants
1673 * which match the given context.
1676 destroy_shader_program_variants_cb(GLuint key
, void *data
, void *userData
)
1678 struct st_context
*st
= (struct st_context
*) userData
;
1679 struct gl_shader
*shader
= (struct gl_shader
*) data
;
1681 switch (shader
->Type
) {
1682 case GL_SHADER_PROGRAM_MESA
:
1684 struct gl_shader_program
*shProg
= (struct gl_shader_program
*) data
;
1687 for (i
= 0; i
< shProg
->NumShaders
; i
++) {
1688 destroy_program_variants(st
, shProg
->Shaders
[i
]->Program
);
1691 for (i
= 0; i
< ARRAY_SIZE(shProg
->_LinkedShaders
); i
++) {
1692 if (shProg
->_LinkedShaders
[i
])
1693 destroy_program_variants(st
, shProg
->_LinkedShaders
[i
]->Program
);
1697 case GL_VERTEX_SHADER
:
1698 case GL_FRAGMENT_SHADER
:
1699 case GL_GEOMETRY_SHADER
:
1700 case GL_TESS_CONTROL_SHADER
:
1701 case GL_TESS_EVALUATION_SHADER
:
1703 destroy_program_variants(st
, shader
->Program
);
1713 * Callback for _mesa_HashWalk. Free all the program variants which match
1714 * the given context.
1717 destroy_program_variants_cb(GLuint key
, void *data
, void *userData
)
1719 struct st_context
*st
= (struct st_context
*) userData
;
1720 struct gl_program
*program
= (struct gl_program
*) data
;
1721 destroy_program_variants(st
, program
);
1726 * Walk over all shaders and programs to delete any variants which
1727 * belong to the given context.
1728 * This is called during context tear-down.
1731 st_destroy_program_variants(struct st_context
*st
)
1733 /* If shaders can be shared with other contexts, the last context will
1734 * call DeleteProgram on all shaders, releasing everything.
1736 if (st
->has_shareable_shaders
)
1739 /* ARB vert/frag program */
1740 _mesa_HashWalk(st
->ctx
->Shared
->Programs
,
1741 destroy_program_variants_cb
, st
);
1743 /* GLSL vert/frag/geom shaders */
1744 _mesa_HashWalk(st
->ctx
->Shared
->ShaderObjects
,
1745 destroy_shader_program_variants_cb
, st
);
1750 * For debugging, print/dump the current vertex program.
1753 st_print_current_vertex_program(void)
1755 GET_CURRENT_CONTEXT(ctx
);
1757 if (ctx
->VertexProgram
._Current
) {
1758 struct st_vertex_program
*stvp
=
1759 (struct st_vertex_program
*) ctx
->VertexProgram
._Current
;
1760 struct st_vp_variant
*stv
;
1762 debug_printf("Vertex program %u\n", stvp
->Base
.Base
.Id
);
1764 for (stv
= stvp
->variants
; stv
; stv
= stv
->next
) {
1765 debug_printf("variant %p\n", stv
);
1766 tgsi_dump(stv
->tgsi
.tokens
, 0);
1773 * Compile one shader variant.
1776 st_precompile_shader_variant(struct st_context
*st
,
1777 struct gl_program
*prog
)
1779 switch (prog
->Target
) {
1780 case GL_VERTEX_PROGRAM_ARB
: {
1781 struct st_vertex_program
*p
= (struct st_vertex_program
*)prog
;
1782 struct st_vp_variant_key key
;
1784 memset(&key
, 0, sizeof(key
));
1785 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1786 st_get_vp_variant(st
, p
, &key
);
1790 case GL_TESS_CONTROL_PROGRAM_NV
: {
1791 struct st_tessctrl_program
*p
= (struct st_tessctrl_program
*)prog
;
1792 struct st_tcp_variant_key key
;
1794 memset(&key
, 0, sizeof(key
));
1795 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1796 st_get_tcp_variant(st
, p
, &key
);
1800 case GL_TESS_EVALUATION_PROGRAM_NV
: {
1801 struct st_tesseval_program
*p
= (struct st_tesseval_program
*)prog
;
1802 struct st_tep_variant_key key
;
1804 memset(&key
, 0, sizeof(key
));
1805 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1806 st_get_tep_variant(st
, p
, &key
);
1810 case GL_GEOMETRY_PROGRAM_NV
: {
1811 struct st_geometry_program
*p
= (struct st_geometry_program
*)prog
;
1812 struct st_gp_variant_key key
;
1814 memset(&key
, 0, sizeof(key
));
1815 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1816 st_get_gp_variant(st
, p
, &key
);
1820 case GL_FRAGMENT_PROGRAM_ARB
: {
1821 struct st_fragment_program
*p
= (struct st_fragment_program
*)prog
;
1822 struct st_fp_variant_key key
;
1824 memset(&key
, 0, sizeof(key
));
1825 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1826 st_get_fp_variant(st
, p
, &key
);