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
;
102 * Delete a fragment program variant. Note the caller must unlink
103 * the variant from the linked list.
106 delete_fp_variant(struct st_context
*st
, struct st_fp_variant
*fpv
)
108 if (fpv
->driver_shader
)
109 cso_delete_fragment_shader(st
->cso_context
, fpv
->driver_shader
);
111 _mesa_free_parameter_list(fpv
->parameters
);
112 if (fpv
->tgsi
.tokens
)
113 ureg_free_tokens(fpv
->tgsi
.tokens
);
119 * Free all variants of a fragment program.
122 st_release_fp_variants(struct st_context
*st
, struct st_fragment_program
*stfp
)
124 struct st_fp_variant
*fpv
;
126 for (fpv
= stfp
->variants
; fpv
; ) {
127 struct st_fp_variant
*next
= fpv
->next
;
128 delete_fp_variant(st
, fpv
);
132 stfp
->variants
= NULL
;
137 * Delete a geometry program variant. Note the caller must unlink
138 * the variant from the linked list.
141 delete_gp_variant(struct st_context
*st
, struct st_gp_variant
*gpv
)
143 if (gpv
->driver_shader
)
144 cso_delete_geometry_shader(st
->cso_context
, gpv
->driver_shader
);
151 * Free all variants of a geometry program.
154 st_release_gp_variants(struct st_context
*st
, struct st_geometry_program
*stgp
)
156 struct st_gp_variant
*gpv
;
158 for (gpv
= stgp
->variants
; gpv
; ) {
159 struct st_gp_variant
*next
= gpv
->next
;
160 delete_gp_variant(st
, gpv
);
164 stgp
->variants
= NULL
;
169 * Delete a tessellation control program variant. Note the caller must unlink
170 * the variant from the linked list.
173 delete_tcp_variant(struct st_context
*st
, struct st_tcp_variant
*tcpv
)
175 if (tcpv
->driver_shader
)
176 cso_delete_tessctrl_shader(st
->cso_context
, tcpv
->driver_shader
);
183 * Free all variants of a tessellation control program.
186 st_release_tcp_variants(struct st_context
*st
, struct st_tessctrl_program
*sttcp
)
188 struct st_tcp_variant
*tcpv
;
190 for (tcpv
= sttcp
->variants
; tcpv
; ) {
191 struct st_tcp_variant
*next
= tcpv
->next
;
192 delete_tcp_variant(st
, tcpv
);
196 sttcp
->variants
= NULL
;
201 * Delete a tessellation evaluation program variant. Note the caller must
202 * unlink the variant from the linked list.
205 delete_tep_variant(struct st_context
*st
, struct st_tep_variant
*tepv
)
207 if (tepv
->driver_shader
)
208 cso_delete_tesseval_shader(st
->cso_context
, tepv
->driver_shader
);
215 * Free all variants of a tessellation evaluation program.
218 st_release_tep_variants(struct st_context
*st
, struct st_tesseval_program
*sttep
)
220 struct st_tep_variant
*tepv
;
222 for (tepv
= sttep
->variants
; tepv
; ) {
223 struct st_tep_variant
*next
= tepv
->next
;
224 delete_tep_variant(st
, tepv
);
228 sttep
->variants
= NULL
;
233 * Translate a vertex program to create a new variant.
235 static struct st_vp_variant
*
236 st_translate_vertex_program(struct st_context
*st
,
237 struct st_vertex_program
*stvp
,
238 const struct st_vp_variant_key
*key
)
240 struct st_vp_variant
*vpv
= CALLOC_STRUCT(st_vp_variant
);
241 struct pipe_context
*pipe
= st
->pipe
;
242 struct ureg_program
*ureg
;
243 enum pipe_error error
;
244 unsigned num_outputs
= 0;
246 unsigned input_to_index
[VERT_ATTRIB_MAX
] = {0};
247 unsigned output_slot_to_attr
[VARYING_SLOT_MAX
] = {0};
248 ubyte output_semantic_name
[VARYING_SLOT_MAX
] = {0};
249 ubyte output_semantic_index
[VARYING_SLOT_MAX
] = {0};
251 stvp
->num_inputs
= 0;
253 if (stvp
->Base
.IsPositionInvariant
)
254 _mesa_insert_mvp_code(st
->ctx
, &stvp
->Base
);
257 * Determine number of inputs, the mappings between VERT_ATTRIB_x
258 * and TGSI generic input indexes, plus input attrib semantic info.
260 for (attr
= 0; attr
< VERT_ATTRIB_MAX
; attr
++) {
261 if ((stvp
->Base
.Base
.InputsRead
& BITFIELD64_BIT(attr
)) != 0) {
262 input_to_index
[attr
] = stvp
->num_inputs
;
263 stvp
->index_to_input
[stvp
->num_inputs
] = attr
;
265 if ((stvp
->Base
.Base
.DoubleInputsRead
& BITFIELD64_BIT(attr
)) != 0) {
266 /* add placeholder for second part of a double attribute */
267 stvp
->index_to_input
[stvp
->num_inputs
] = ST_DOUBLE_ATTRIB_PLACEHOLDER
;
272 /* bit of a hack, presetup potentially unused edgeflag input */
273 input_to_index
[VERT_ATTRIB_EDGEFLAG
] = stvp
->num_inputs
;
274 stvp
->index_to_input
[stvp
->num_inputs
] = VERT_ATTRIB_EDGEFLAG
;
276 /* Compute mapping of vertex program outputs to slots.
278 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
279 if ((stvp
->Base
.Base
.OutputsWritten
& BITFIELD64_BIT(attr
)) == 0) {
280 stvp
->result_to_output
[attr
] = ~0;
283 unsigned slot
= num_outputs
++;
285 stvp
->result_to_output
[attr
] = slot
;
286 output_slot_to_attr
[slot
] = attr
;
289 case VARYING_SLOT_POS
:
290 output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
291 output_semantic_index
[slot
] = 0;
293 case VARYING_SLOT_COL0
:
294 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
295 output_semantic_index
[slot
] = 0;
297 case VARYING_SLOT_COL1
:
298 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
299 output_semantic_index
[slot
] = 1;
301 case VARYING_SLOT_BFC0
:
302 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
303 output_semantic_index
[slot
] = 0;
305 case VARYING_SLOT_BFC1
:
306 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
307 output_semantic_index
[slot
] = 1;
309 case VARYING_SLOT_FOGC
:
310 output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
311 output_semantic_index
[slot
] = 0;
313 case VARYING_SLOT_PSIZ
:
314 output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
315 output_semantic_index
[slot
] = 0;
317 case VARYING_SLOT_CLIP_DIST0
:
318 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
319 output_semantic_index
[slot
] = 0;
321 case VARYING_SLOT_CLIP_DIST1
:
322 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
323 output_semantic_index
[slot
] = 1;
325 case VARYING_SLOT_EDGE
:
328 case VARYING_SLOT_CLIP_VERTEX
:
329 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
330 output_semantic_index
[slot
] = 0;
332 case VARYING_SLOT_LAYER
:
333 output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
334 output_semantic_index
[slot
] = 0;
336 case VARYING_SLOT_VIEWPORT
:
337 output_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
338 output_semantic_index
[slot
] = 0;
341 case VARYING_SLOT_TEX0
:
342 case VARYING_SLOT_TEX1
:
343 case VARYING_SLOT_TEX2
:
344 case VARYING_SLOT_TEX3
:
345 case VARYING_SLOT_TEX4
:
346 case VARYING_SLOT_TEX5
:
347 case VARYING_SLOT_TEX6
:
348 case VARYING_SLOT_TEX7
:
349 if (st
->needs_texcoord_semantic
) {
350 output_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
351 output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
355 case VARYING_SLOT_VAR0
:
357 assert(attr
>= VARYING_SLOT_VAR0
||
358 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
359 output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
360 output_semantic_index
[slot
] =
361 st_get_generic_varying_index(st
, attr
);
366 /* similar hack to above, presetup potentially unused edgeflag output */
367 stvp
->result_to_output
[VARYING_SLOT_EDGE
] = num_outputs
;
368 output_semantic_name
[num_outputs
] = TGSI_SEMANTIC_EDGEFLAG
;
369 output_semantic_index
[num_outputs
] = 0;
371 if (!stvp
->glsl_to_tgsi
)
372 _mesa_remove_output_reads(&stvp
->Base
.Base
, PROGRAM_OUTPUT
);
374 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_VERTEX
, st
->pipe
->screen
);
382 if (ST_DEBUG
& DEBUG_MESA
) {
383 _mesa_print_program(&stvp
->Base
.Base
);
384 _mesa_print_program_parameters(st
->ctx
, &stvp
->Base
.Base
);
388 if (stvp
->glsl_to_tgsi
)
389 error
= st_translate_program(st
->ctx
,
390 TGSI_PROCESSOR_VERTEX
,
397 NULL
, /* inputSlotToAttr */
398 NULL
, /* input semantic name */
399 NULL
, /* input semantic index */
400 NULL
, /* interp mode */
401 NULL
, /* interp location */
404 stvp
->result_to_output
,
406 output_semantic_name
,
407 output_semantic_index
,
411 error
= st_translate_mesa_program(st
->ctx
,
412 TGSI_PROCESSOR_VERTEX
,
418 NULL
, /* input semantic name */
419 NULL
, /* input semantic index */
423 stvp
->result_to_output
,
424 output_semantic_name
,
425 output_semantic_index
,
432 vpv
->tgsi
.tokens
= ureg_get_tokens( ureg
, NULL
);
433 if (!vpv
->tgsi
.tokens
)
436 ureg_destroy( ureg
);
438 if (stvp
->glsl_to_tgsi
) {
439 st_translate_stream_output_info(stvp
->glsl_to_tgsi
,
440 stvp
->result_to_output
,
441 &vpv
->tgsi
.stream_output
);
444 vpv
->num_inputs
= stvp
->num_inputs
;
446 /* Emulate features. */
447 if (key
->clamp_color
|| key
->passthrough_edgeflags
) {
448 const struct tgsi_token
*tokens
;
450 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
451 (key
->passthrough_edgeflags
? TGSI_EMU_PASSTHROUGH_EDGEFLAG
: 0);
453 tokens
= tgsi_emulate(vpv
->tgsi
.tokens
, flags
);
456 tgsi_free_tokens(vpv
->tgsi
.tokens
);
457 vpv
->tgsi
.tokens
= tokens
;
459 if (key
->passthrough_edgeflags
)
462 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
465 if (ST_DEBUG
& DEBUG_TGSI
) {
466 tgsi_dump(vpv
->tgsi
.tokens
, 0);
470 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
474 debug_printf("%s: failed to translate Mesa program:\n", __func__
);
475 _mesa_print_program(&stvp
->Base
.Base
);
478 ureg_destroy( ureg
);
484 * Find/create a vertex program variant.
486 struct st_vp_variant
*
487 st_get_vp_variant(struct st_context
*st
,
488 struct st_vertex_program
*stvp
,
489 const struct st_vp_variant_key
*key
)
491 struct st_vp_variant
*vpv
;
493 /* Search for existing variant */
494 for (vpv
= stvp
->variants
; vpv
; vpv
= vpv
->next
) {
495 if (memcmp(&vpv
->key
, key
, sizeof(*key
)) == 0) {
502 vpv
= st_translate_vertex_program(st
, stvp
, key
);
504 /* insert into list */
505 vpv
->next
= stvp
->variants
;
506 stvp
->variants
= vpv
;
515 st_translate_interp(enum glsl_interp_qualifier glsl_qual
, bool is_color
)
518 case INTERP_QUALIFIER_NONE
:
520 return TGSI_INTERPOLATE_COLOR
;
521 return TGSI_INTERPOLATE_PERSPECTIVE
;
522 case INTERP_QUALIFIER_SMOOTH
:
523 return TGSI_INTERPOLATE_PERSPECTIVE
;
524 case INTERP_QUALIFIER_FLAT
:
525 return TGSI_INTERPOLATE_CONSTANT
;
526 case INTERP_QUALIFIER_NOPERSPECTIVE
:
527 return TGSI_INTERPOLATE_LINEAR
;
529 assert(0 && "unexpected interp mode in st_translate_interp()");
530 return TGSI_INTERPOLATE_PERSPECTIVE
;
536 * Translate a Mesa fragment shader into a TGSI shader using extra info in
538 * \return new fragment program variant
540 static struct st_fp_variant
*
541 st_translate_fragment_program(struct st_context
*st
,
542 struct st_fragment_program
*stfp
,
543 const struct st_fp_variant_key
*key
)
545 struct pipe_context
*pipe
= st
->pipe
;
546 struct st_fp_variant
*variant
= CALLOC_STRUCT(st_fp_variant
);
547 GLboolean deleteFP
= GL_FALSE
;
549 GLuint outputMapping
[FRAG_RESULT_MAX
];
550 GLuint inputMapping
[VARYING_SLOT_MAX
];
551 GLuint inputSlotToAttr
[VARYING_SLOT_MAX
];
552 GLuint interpMode
[PIPE_MAX_SHADER_INPUTS
]; /* XXX size? */
553 GLuint interpLocation
[PIPE_MAX_SHADER_INPUTS
];
555 GLbitfield64 inputsRead
;
556 struct ureg_program
*ureg
;
558 GLboolean write_all
= GL_FALSE
;
560 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
561 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
562 uint fs_num_inputs
= 0;
564 ubyte fs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
565 ubyte fs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
566 uint fs_num_outputs
= 0;
571 assert(!(key
->bitmap
&& key
->drawpixels
));
572 memset(inputSlotToAttr
, ~0, sizeof(inputSlotToAttr
));
575 /* glBitmap drawing */
576 struct gl_fragment_program
*fp
; /* we free this temp program below */
578 st_make_bitmap_fragment_program(st
, &stfp
->Base
,
579 &fp
, &variant
->bitmap_sampler
);
581 variant
->parameters
= _mesa_clone_parameter_list(fp
->Base
.Parameters
);
582 stfp
= st_fragment_program(fp
);
585 else if (key
->drawpixels
) {
586 /* glDrawPixels drawing */
587 struct gl_fragment_program
*fp
; /* we free this temp program below */
589 if (key
->drawpixels_z
|| key
->drawpixels_stencil
) {
590 fp
= st_make_drawpix_z_stencil_program(st
, key
->drawpixels_z
,
591 key
->drawpixels_stencil
);
595 st_make_drawpix_fragment_program(st
, &stfp
->Base
, &fp
);
596 variant
->parameters
= _mesa_clone_parameter_list(fp
->Base
.Parameters
);
599 stfp
= st_fragment_program(fp
);
602 if (!stfp
->glsl_to_tgsi
)
603 _mesa_remove_output_reads(&stfp
->Base
.Base
, PROGRAM_OUTPUT
);
606 * Convert Mesa program inputs to TGSI input register semantics.
608 inputsRead
= stfp
->Base
.Base
.InputsRead
;
609 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
610 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
611 const GLuint slot
= fs_num_inputs
++;
613 inputMapping
[attr
] = slot
;
614 inputSlotToAttr
[slot
] = attr
;
615 if (stfp
->Base
.IsCentroid
& BITFIELD64_BIT(attr
))
616 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_CENTROID
;
617 else if (stfp
->Base
.IsSample
& BITFIELD64_BIT(attr
))
618 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_SAMPLE
;
620 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_CENTER
;
622 if (stfp
->Base
.Base
.SystemValuesRead
& (SYSTEM_BIT_SAMPLE_ID
|
623 SYSTEM_BIT_SAMPLE_POS
))
624 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_SAMPLE
;
627 case VARYING_SLOT_POS
:
628 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
629 input_semantic_index
[slot
] = 0;
630 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
632 case VARYING_SLOT_COL0
:
633 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
634 input_semantic_index
[slot
] = 0;
635 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
638 case VARYING_SLOT_COL1
:
639 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
640 input_semantic_index
[slot
] = 1;
641 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
644 case VARYING_SLOT_FOGC
:
645 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
646 input_semantic_index
[slot
] = 0;
647 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
649 case VARYING_SLOT_FACE
:
650 input_semantic_name
[slot
] = TGSI_SEMANTIC_FACE
;
651 input_semantic_index
[slot
] = 0;
652 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
654 case VARYING_SLOT_PRIMITIVE_ID
:
655 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
656 input_semantic_index
[slot
] = 0;
657 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
659 case VARYING_SLOT_LAYER
:
660 input_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
661 input_semantic_index
[slot
] = 0;
662 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
664 case VARYING_SLOT_VIEWPORT
:
665 input_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
666 input_semantic_index
[slot
] = 0;
667 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
669 case VARYING_SLOT_CLIP_DIST0
:
670 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
671 input_semantic_index
[slot
] = 0;
672 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
674 case VARYING_SLOT_CLIP_DIST1
:
675 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
676 input_semantic_index
[slot
] = 1;
677 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
679 /* In most cases, there is nothing special about these
680 * inputs, so adopt a convention to use the generic
681 * semantic name and the mesa VARYING_SLOT_ number as the
684 * All that is required is that the vertex shader labels
685 * its own outputs similarly, and that the vertex shader
686 * generates at least every output required by the
687 * fragment shader plus fixed-function hardware (such as
690 * However, some drivers may need us to identify the PNTC and TEXi
691 * varyings if, for example, their capability to replace them with
692 * sprite coordinates is limited.
694 case VARYING_SLOT_PNTC
:
695 if (st
->needs_texcoord_semantic
) {
696 input_semantic_name
[slot
] = TGSI_SEMANTIC_PCOORD
;
697 input_semantic_index
[slot
] = 0;
698 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
702 case VARYING_SLOT_TEX0
:
703 case VARYING_SLOT_TEX1
:
704 case VARYING_SLOT_TEX2
:
705 case VARYING_SLOT_TEX3
:
706 case VARYING_SLOT_TEX4
:
707 case VARYING_SLOT_TEX5
:
708 case VARYING_SLOT_TEX6
:
709 case VARYING_SLOT_TEX7
:
710 if (st
->needs_texcoord_semantic
) {
711 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
712 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
714 st_translate_interp(stfp
->Base
.InterpQualifier
[attr
], FALSE
);
718 case VARYING_SLOT_VAR0
:
720 /* Semantic indices should be zero-based because drivers may choose
721 * to assign a fixed slot determined by that index.
722 * This is useful because ARB_separate_shader_objects uses location
723 * qualifiers for linkage, and if the semantic index corresponds to
724 * these locations, linkage passes in the driver become unecessary.
726 * If needs_texcoord_semantic is true, no semantic indices will be
727 * consumed for the TEXi varyings, and we can base the locations of
728 * the user varyings on VAR0. Otherwise, we use TEX0 as base index.
730 assert(attr
>= VARYING_SLOT_VAR0
|| attr
== VARYING_SLOT_PNTC
||
731 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
732 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
733 input_semantic_index
[slot
] = st_get_generic_varying_index(st
, attr
);
734 if (attr
== VARYING_SLOT_PNTC
)
735 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
737 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
743 inputMapping
[attr
] = -1;
748 * Semantics and mapping for outputs
752 GLbitfield64 outputsWritten
= stfp
->Base
.Base
.OutputsWritten
;
754 /* if z is written, emit that first */
755 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
756 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_POSITION
;
757 fs_output_semantic_index
[fs_num_outputs
] = 0;
758 outputMapping
[FRAG_RESULT_DEPTH
] = fs_num_outputs
;
760 outputsWritten
&= ~(1 << FRAG_RESULT_DEPTH
);
763 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_STENCIL
)) {
764 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_STENCIL
;
765 fs_output_semantic_index
[fs_num_outputs
] = 0;
766 outputMapping
[FRAG_RESULT_STENCIL
] = fs_num_outputs
;
768 outputsWritten
&= ~(1 << FRAG_RESULT_STENCIL
);
771 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK
)) {
772 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_SAMPLEMASK
;
773 fs_output_semantic_index
[fs_num_outputs
] = 0;
774 outputMapping
[FRAG_RESULT_SAMPLE_MASK
] = fs_num_outputs
;
776 outputsWritten
&= ~(1 << FRAG_RESULT_SAMPLE_MASK
);
779 /* handle remaining outputs (color) */
780 for (attr
= 0; attr
< FRAG_RESULT_MAX
; attr
++) {
781 if (outputsWritten
& BITFIELD64_BIT(attr
)) {
783 case FRAG_RESULT_DEPTH
:
784 case FRAG_RESULT_STENCIL
:
785 case FRAG_RESULT_SAMPLE_MASK
:
789 case FRAG_RESULT_COLOR
:
790 write_all
= GL_TRUE
; /* fallthrough */
792 assert(attr
== FRAG_RESULT_COLOR
||
793 (FRAG_RESULT_DATA0
<= attr
&& attr
< FRAG_RESULT_MAX
));
794 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_COLOR
;
795 fs_output_semantic_index
[fs_num_outputs
] = numColors
;
796 outputMapping
[attr
] = fs_num_outputs
;
806 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_FRAGMENT
, st
->pipe
->screen
);
812 if (ST_DEBUG
& DEBUG_MESA
) {
813 _mesa_print_program(&stfp
->Base
.Base
);
814 _mesa_print_program_parameters(st
->ctx
, &stfp
->Base
.Base
);
817 if (write_all
== GL_TRUE
)
818 ureg_property(ureg
, TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS
, 1);
820 if (stfp
->Base
.FragDepthLayout
!= FRAG_DEPTH_LAYOUT_NONE
) {
821 switch (stfp
->Base
.FragDepthLayout
) {
822 case FRAG_DEPTH_LAYOUT_ANY
:
823 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
824 TGSI_FS_DEPTH_LAYOUT_ANY
);
826 case FRAG_DEPTH_LAYOUT_GREATER
:
827 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
828 TGSI_FS_DEPTH_LAYOUT_GREATER
);
830 case FRAG_DEPTH_LAYOUT_LESS
:
831 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
832 TGSI_FS_DEPTH_LAYOUT_LESS
);
834 case FRAG_DEPTH_LAYOUT_UNCHANGED
:
835 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
836 TGSI_FS_DEPTH_LAYOUT_UNCHANGED
);
843 if (stfp
->glsl_to_tgsi
)
844 st_translate_program(st
->ctx
,
845 TGSI_PROCESSOR_FRAGMENT
,
854 input_semantic_index
,
861 fs_output_semantic_name
,
862 fs_output_semantic_index
, FALSE
,
865 st_translate_mesa_program(st
->ctx
,
866 TGSI_PROCESSOR_FRAGMENT
,
873 input_semantic_index
,
878 fs_output_semantic_name
,
879 fs_output_semantic_index
, FALSE
,
882 variant
->tgsi
.tokens
= ureg_get_tokens(ureg
, NULL
);
885 /* Emulate features. */
886 if (key
->clamp_color
|| key
->persample_shading
) {
887 const struct tgsi_token
*tokens
;
889 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
890 (key
->persample_shading
? TGSI_EMU_FORCE_PERSAMPLE_INTERP
: 0);
892 tokens
= tgsi_emulate(variant
->tgsi
.tokens
, flags
);
895 tgsi_free_tokens(variant
->tgsi
.tokens
);
896 variant
->tgsi
.tokens
= tokens
;
898 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
901 if (ST_DEBUG
& DEBUG_TGSI
) {
902 tgsi_dump(variant
->tgsi
.tokens
, 0/*TGSI_DUMP_VERBOSE*/);
906 /* fill in variant */
907 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &variant
->tgsi
);
911 /* Free the temporary program made above */
912 struct gl_fragment_program
*fp
= &stfp
->Base
;
913 _mesa_reference_fragprog(st
->ctx
, &fp
, NULL
);
921 * Translate fragment program if needed.
923 struct st_fp_variant
*
924 st_get_fp_variant(struct st_context
*st
,
925 struct st_fragment_program
*stfp
,
926 const struct st_fp_variant_key
*key
)
928 struct st_fp_variant
*fpv
;
930 /* Search for existing variant */
931 for (fpv
= stfp
->variants
; fpv
; fpv
= fpv
->next
) {
932 if (memcmp(&fpv
->key
, key
, sizeof(*key
)) == 0) {
939 fpv
= st_translate_fragment_program(st
, stfp
, key
);
941 /* insert into list */
942 fpv
->next
= stfp
->variants
;
943 stfp
->variants
= fpv
;
952 * Translate a program. This is common code for geometry and tessellation
956 st_translate_program_common(struct st_context
*st
,
957 struct gl_program
*prog
,
958 struct glsl_to_tgsi_visitor
*glsl_to_tgsi
,
959 struct ureg_program
*ureg
,
960 unsigned tgsi_processor
,
961 struct pipe_shader_state
*out_state
)
963 GLuint inputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
964 GLuint inputMapping
[VARYING_SLOT_TESS_MAX
];
965 GLuint outputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
966 GLuint outputMapping
[VARYING_SLOT_TESS_MAX
];
969 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
970 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
973 ubyte output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
974 ubyte output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
975 uint num_outputs
= 0;
979 memset(inputSlotToAttr
, 0, sizeof(inputSlotToAttr
));
980 memset(inputMapping
, 0, sizeof(inputMapping
));
981 memset(outputSlotToAttr
, 0, sizeof(outputSlotToAttr
));
982 memset(outputMapping
, 0, sizeof(outputMapping
));
983 memset(out_state
, 0, sizeof(*out_state
));
986 * Convert Mesa program inputs to TGSI input register semantics.
988 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
989 if ((prog
->InputsRead
& BITFIELD64_BIT(attr
)) != 0) {
990 const GLuint slot
= num_inputs
++;
992 inputMapping
[attr
] = slot
;
993 inputSlotToAttr
[slot
] = attr
;
996 case VARYING_SLOT_PRIMITIVE_ID
:
997 assert(tgsi_processor
== TGSI_PROCESSOR_GEOMETRY
);
998 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
999 input_semantic_index
[slot
] = 0;
1001 case VARYING_SLOT_POS
:
1002 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
1003 input_semantic_index
[slot
] = 0;
1005 case VARYING_SLOT_COL0
:
1006 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1007 input_semantic_index
[slot
] = 0;
1009 case VARYING_SLOT_COL1
:
1010 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1011 input_semantic_index
[slot
] = 1;
1013 case VARYING_SLOT_FOGC
:
1014 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1015 input_semantic_index
[slot
] = 0;
1017 case VARYING_SLOT_CLIP_VERTEX
:
1018 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1019 input_semantic_index
[slot
] = 0;
1021 case VARYING_SLOT_CLIP_DIST0
:
1022 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1023 input_semantic_index
[slot
] = 0;
1025 case VARYING_SLOT_CLIP_DIST1
:
1026 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1027 input_semantic_index
[slot
] = 1;
1029 case VARYING_SLOT_PSIZ
:
1030 input_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1031 input_semantic_index
[slot
] = 0;
1033 case VARYING_SLOT_TEX0
:
1034 case VARYING_SLOT_TEX1
:
1035 case VARYING_SLOT_TEX2
:
1036 case VARYING_SLOT_TEX3
:
1037 case VARYING_SLOT_TEX4
:
1038 case VARYING_SLOT_TEX5
:
1039 case VARYING_SLOT_TEX6
:
1040 case VARYING_SLOT_TEX7
:
1041 if (st
->needs_texcoord_semantic
) {
1042 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1043 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1047 case VARYING_SLOT_VAR0
:
1049 assert(attr
>= VARYING_SLOT_VAR0
||
1050 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1051 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1052 input_semantic_index
[slot
] =
1053 st_get_generic_varying_index(st
, attr
);
1059 /* Also add patch inputs. */
1060 for (attr
= 0; attr
< 32; attr
++) {
1061 if (prog
->PatchInputsRead
& (1 << attr
)) {
1062 GLuint slot
= num_inputs
++;
1063 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1065 inputMapping
[patch_attr
] = slot
;
1066 inputSlotToAttr
[slot
] = patch_attr
;
1067 input_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1068 input_semantic_index
[slot
] = attr
;
1072 /* initialize output semantics to defaults */
1073 for (i
= 0; i
< PIPE_MAX_SHADER_OUTPUTS
; i
++) {
1074 output_semantic_name
[i
] = TGSI_SEMANTIC_GENERIC
;
1075 output_semantic_index
[i
] = 0;
1079 * Determine number of outputs, the (default) output register
1080 * mapping and the semantic information for each output.
1082 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1083 if (prog
->OutputsWritten
& BITFIELD64_BIT(attr
)) {
1084 GLuint slot
= num_outputs
++;
1086 outputMapping
[attr
] = slot
;
1087 outputSlotToAttr
[slot
] = attr
;
1090 case VARYING_SLOT_POS
:
1092 output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
1093 output_semantic_index
[slot
] = 0;
1095 case VARYING_SLOT_COL0
:
1096 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1097 output_semantic_index
[slot
] = 0;
1099 case VARYING_SLOT_COL1
:
1100 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1101 output_semantic_index
[slot
] = 1;
1103 case VARYING_SLOT_BFC0
:
1104 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1105 output_semantic_index
[slot
] = 0;
1107 case VARYING_SLOT_BFC1
:
1108 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1109 output_semantic_index
[slot
] = 1;
1111 case VARYING_SLOT_FOGC
:
1112 output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1113 output_semantic_index
[slot
] = 0;
1115 case VARYING_SLOT_PSIZ
:
1116 output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1117 output_semantic_index
[slot
] = 0;
1119 case VARYING_SLOT_CLIP_VERTEX
:
1120 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1121 output_semantic_index
[slot
] = 0;
1123 case VARYING_SLOT_CLIP_DIST0
:
1124 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1125 output_semantic_index
[slot
] = 0;
1127 case VARYING_SLOT_CLIP_DIST1
:
1128 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1129 output_semantic_index
[slot
] = 1;
1131 case VARYING_SLOT_LAYER
:
1132 output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
1133 output_semantic_index
[slot
] = 0;
1135 case VARYING_SLOT_PRIMITIVE_ID
:
1136 output_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
1137 output_semantic_index
[slot
] = 0;
1139 case VARYING_SLOT_VIEWPORT
:
1140 output_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
1141 output_semantic_index
[slot
] = 0;
1143 case VARYING_SLOT_TESS_LEVEL_OUTER
:
1144 output_semantic_name
[slot
] = TGSI_SEMANTIC_TESSOUTER
;
1145 output_semantic_index
[slot
] = 0;
1147 case VARYING_SLOT_TESS_LEVEL_INNER
:
1148 output_semantic_name
[slot
] = TGSI_SEMANTIC_TESSINNER
;
1149 output_semantic_index
[slot
] = 0;
1151 case VARYING_SLOT_TEX0
:
1152 case VARYING_SLOT_TEX1
:
1153 case VARYING_SLOT_TEX2
:
1154 case VARYING_SLOT_TEX3
:
1155 case VARYING_SLOT_TEX4
:
1156 case VARYING_SLOT_TEX5
:
1157 case VARYING_SLOT_TEX6
:
1158 case VARYING_SLOT_TEX7
:
1159 if (st
->needs_texcoord_semantic
) {
1160 output_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1161 output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1165 case VARYING_SLOT_VAR0
:
1167 assert(slot
< ARRAY_SIZE(output_semantic_name
));
1168 assert(attr
>= VARYING_SLOT_VAR0
||
1169 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1170 output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1171 output_semantic_index
[slot
] =
1172 st_get_generic_varying_index(st
, attr
);
1178 /* Also add patch outputs. */
1179 for (attr
= 0; attr
< 32; attr
++) {
1180 if (prog
->PatchOutputsWritten
& (1 << attr
)) {
1181 GLuint slot
= num_outputs
++;
1182 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1184 outputMapping
[patch_attr
] = slot
;
1185 outputSlotToAttr
[slot
] = patch_attr
;
1186 output_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1187 output_semantic_index
[slot
] = attr
;
1191 st_translate_program(st
->ctx
,
1200 input_semantic_name
,
1201 input_semantic_index
,
1208 output_semantic_name
,
1209 output_semantic_index
,
1213 out_state
->tokens
= ureg_get_tokens(ureg
, NULL
);
1216 st_translate_stream_output_info(glsl_to_tgsi
,
1218 &out_state
->stream_output
);
1220 if ((ST_DEBUG
& DEBUG_TGSI
) && (ST_DEBUG
& DEBUG_MESA
)) {
1221 _mesa_print_program(prog
);
1225 if (ST_DEBUG
& DEBUG_TGSI
) {
1226 tgsi_dump(out_state
->tokens
, 0);
1233 * Translate a geometry program to create a new variant.
1235 static struct st_gp_variant
*
1236 st_translate_geometry_program(struct st_context
*st
,
1237 struct st_geometry_program
*stgp
,
1238 const struct st_gp_variant_key
*key
)
1240 struct pipe_context
*pipe
= st
->pipe
;
1241 struct ureg_program
*ureg
;
1242 struct st_gp_variant
*gpv
;
1243 struct pipe_shader_state state
;
1245 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_GEOMETRY
, st
->pipe
->screen
);
1249 ureg_property(ureg
, TGSI_PROPERTY_GS_INPUT_PRIM
, stgp
->Base
.InputType
);
1250 ureg_property(ureg
, TGSI_PROPERTY_GS_OUTPUT_PRIM
, stgp
->Base
.OutputType
);
1251 ureg_property(ureg
, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES
,
1252 stgp
->Base
.VerticesOut
);
1253 ureg_property(ureg
, TGSI_PROPERTY_GS_INVOCATIONS
, stgp
->Base
.Invocations
);
1255 st_translate_program_common(st
, &stgp
->Base
.Base
, stgp
->glsl_to_tgsi
, ureg
,
1256 TGSI_PROCESSOR_GEOMETRY
, &state
);
1258 gpv
= CALLOC_STRUCT(st_gp_variant
);
1260 ureg_free_tokens(state
.tokens
);
1264 /* fill in new variant */
1265 gpv
->driver_shader
= pipe
->create_gs_state(pipe
, &state
);
1268 ureg_free_tokens(state
.tokens
);
1274 * Get/create geometry program variant.
1276 struct st_gp_variant
*
1277 st_get_gp_variant(struct st_context
*st
,
1278 struct st_geometry_program
*stgp
,
1279 const struct st_gp_variant_key
*key
)
1281 struct st_gp_variant
*gpv
;
1283 /* Search for existing variant */
1284 for (gpv
= stgp
->variants
; gpv
; gpv
= gpv
->next
) {
1285 if (memcmp(&gpv
->key
, key
, sizeof(*key
)) == 0) {
1292 gpv
= st_translate_geometry_program(st
, stgp
, key
);
1294 /* insert into list */
1295 gpv
->next
= stgp
->variants
;
1296 stgp
->variants
= gpv
;
1305 * Translate a tessellation control program to create a new variant.
1307 static struct st_tcp_variant
*
1308 st_translate_tessctrl_program(struct st_context
*st
,
1309 struct st_tessctrl_program
*sttcp
,
1310 const struct st_tcp_variant_key
*key
)
1312 struct pipe_context
*pipe
= st
->pipe
;
1313 struct ureg_program
*ureg
;
1314 struct st_tcp_variant
*tcpv
;
1315 struct pipe_shader_state state
;
1317 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_TESS_CTRL
, pipe
->screen
);
1322 ureg_property(ureg
, TGSI_PROPERTY_TCS_VERTICES_OUT
,
1323 sttcp
->Base
.VerticesOut
);
1325 st_translate_program_common(st
, &sttcp
->Base
.Base
, sttcp
->glsl_to_tgsi
,
1326 ureg
, TGSI_PROCESSOR_TESS_CTRL
, &state
);
1328 tcpv
= CALLOC_STRUCT(st_tcp_variant
);
1330 ureg_free_tokens(state
.tokens
);
1334 /* fill in new variant */
1335 tcpv
->driver_shader
= pipe
->create_tcs_state(pipe
, &state
);
1338 ureg_free_tokens(state
.tokens
);
1344 * Get/create tessellation control program variant.
1346 struct st_tcp_variant
*
1347 st_get_tcp_variant(struct st_context
*st
,
1348 struct st_tessctrl_program
*sttcp
,
1349 const struct st_tcp_variant_key
*key
)
1351 struct st_tcp_variant
*tcpv
;
1353 /* Search for existing variant */
1354 for (tcpv
= sttcp
->variants
; tcpv
; tcpv
= tcpv
->next
) {
1355 if (memcmp(&tcpv
->key
, key
, sizeof(*key
)) == 0) {
1362 tcpv
= st_translate_tessctrl_program(st
, sttcp
, key
);
1364 /* insert into list */
1365 tcpv
->next
= sttcp
->variants
;
1366 sttcp
->variants
= tcpv
;
1375 * Translate a tessellation evaluation program to create a new variant.
1377 static struct st_tep_variant
*
1378 st_translate_tesseval_program(struct st_context
*st
,
1379 struct st_tesseval_program
*sttep
,
1380 const struct st_tep_variant_key
*key
)
1382 struct pipe_context
*pipe
= st
->pipe
;
1383 struct ureg_program
*ureg
;
1384 struct st_tep_variant
*tepv
;
1385 struct pipe_shader_state state
;
1387 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_TESS_EVAL
, pipe
->screen
);
1392 if (sttep
->Base
.PrimitiveMode
== GL_ISOLINES
)
1393 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, GL_LINES
);
1395 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, sttep
->Base
.PrimitiveMode
);
1397 switch (sttep
->Base
.Spacing
) {
1399 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
, PIPE_TESS_SPACING_EQUAL
);
1401 case GL_FRACTIONAL_EVEN
:
1402 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1403 PIPE_TESS_SPACING_FRACTIONAL_EVEN
);
1405 case GL_FRACTIONAL_ODD
:
1406 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1407 PIPE_TESS_SPACING_FRACTIONAL_ODD
);
1413 ureg_property(ureg
, TGSI_PROPERTY_TES_VERTEX_ORDER_CW
,
1414 sttep
->Base
.VertexOrder
== GL_CW
);
1415 ureg_property(ureg
, TGSI_PROPERTY_TES_POINT_MODE
, sttep
->Base
.PointMode
);
1417 st_translate_program_common(st
, &sttep
->Base
.Base
, sttep
->glsl_to_tgsi
,
1418 ureg
, TGSI_PROCESSOR_TESS_EVAL
, &state
);
1420 tepv
= CALLOC_STRUCT(st_tep_variant
);
1422 ureg_free_tokens(state
.tokens
);
1426 /* fill in new variant */
1427 tepv
->driver_shader
= pipe
->create_tes_state(pipe
, &state
);
1430 ureg_free_tokens(state
.tokens
);
1436 * Get/create tessellation evaluation program variant.
1438 struct st_tep_variant
*
1439 st_get_tep_variant(struct st_context
*st
,
1440 struct st_tesseval_program
*sttep
,
1441 const struct st_tep_variant_key
*key
)
1443 struct st_tep_variant
*tepv
;
1445 /* Search for existing variant */
1446 for (tepv
= sttep
->variants
; tepv
; tepv
= tepv
->next
) {
1447 if (memcmp(&tepv
->key
, key
, sizeof(*key
)) == 0) {
1454 tepv
= st_translate_tesseval_program(st
, sttep
, key
);
1456 /* insert into list */
1457 tepv
->next
= sttep
->variants
;
1458 sttep
->variants
= tepv
;
1467 * Vert/Geom/Frag programs have per-context variants. Free all the
1468 * variants attached to the given program which match the given context.
1471 destroy_program_variants(struct st_context
*st
, struct gl_program
*program
)
1473 if (!program
|| program
== &_mesa_DummyProgram
)
1476 switch (program
->Target
) {
1477 case GL_VERTEX_PROGRAM_ARB
:
1479 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) program
;
1480 struct st_vp_variant
*vpv
, **prevPtr
= &stvp
->variants
;
1482 for (vpv
= stvp
->variants
; vpv
; ) {
1483 struct st_vp_variant
*next
= vpv
->next
;
1484 if (vpv
->key
.st
== st
) {
1485 /* unlink from list */
1487 /* destroy this variant */
1488 delete_vp_variant(st
, vpv
);
1491 prevPtr
= &vpv
->next
;
1497 case GL_FRAGMENT_PROGRAM_ARB
:
1499 struct st_fragment_program
*stfp
=
1500 (struct st_fragment_program
*) program
;
1501 struct st_fp_variant
*fpv
, **prevPtr
= &stfp
->variants
;
1503 for (fpv
= stfp
->variants
; fpv
; ) {
1504 struct st_fp_variant
*next
= fpv
->next
;
1505 if (fpv
->key
.st
== st
) {
1506 /* unlink from list */
1508 /* destroy this variant */
1509 delete_fp_variant(st
, fpv
);
1512 prevPtr
= &fpv
->next
;
1518 case GL_GEOMETRY_PROGRAM_NV
:
1520 struct st_geometry_program
*stgp
=
1521 (struct st_geometry_program
*) program
;
1522 struct st_gp_variant
*gpv
, **prevPtr
= &stgp
->variants
;
1524 for (gpv
= stgp
->variants
; gpv
; ) {
1525 struct st_gp_variant
*next
= gpv
->next
;
1526 if (gpv
->key
.st
== st
) {
1527 /* unlink from list */
1529 /* destroy this variant */
1530 delete_gp_variant(st
, gpv
);
1533 prevPtr
= &gpv
->next
;
1539 case GL_TESS_CONTROL_PROGRAM_NV
:
1541 struct st_tessctrl_program
*sttcp
=
1542 (struct st_tessctrl_program
*) program
;
1543 struct st_tcp_variant
*tcpv
, **prevPtr
= &sttcp
->variants
;
1545 for (tcpv
= sttcp
->variants
; tcpv
; ) {
1546 struct st_tcp_variant
*next
= tcpv
->next
;
1547 if (tcpv
->key
.st
== st
) {
1548 /* unlink from list */
1550 /* destroy this variant */
1551 delete_tcp_variant(st
, tcpv
);
1554 prevPtr
= &tcpv
->next
;
1560 case GL_TESS_EVALUATION_PROGRAM_NV
:
1562 struct st_tesseval_program
*sttep
=
1563 (struct st_tesseval_program
*) program
;
1564 struct st_tep_variant
*tepv
, **prevPtr
= &sttep
->variants
;
1566 for (tepv
= sttep
->variants
; tepv
; ) {
1567 struct st_tep_variant
*next
= tepv
->next
;
1568 if (tepv
->key
.st
== st
) {
1569 /* unlink from list */
1571 /* destroy this variant */
1572 delete_tep_variant(st
, tepv
);
1575 prevPtr
= &tepv
->next
;
1582 _mesa_problem(NULL
, "Unexpected program target 0x%x in "
1583 "destroy_program_variants_cb()", program
->Target
);
1589 * Callback for _mesa_HashWalk. Free all the shader's program variants
1590 * which match the given context.
1593 destroy_shader_program_variants_cb(GLuint key
, void *data
, void *userData
)
1595 struct st_context
*st
= (struct st_context
*) userData
;
1596 struct gl_shader
*shader
= (struct gl_shader
*) data
;
1598 switch (shader
->Type
) {
1599 case GL_SHADER_PROGRAM_MESA
:
1601 struct gl_shader_program
*shProg
= (struct gl_shader_program
*) data
;
1604 for (i
= 0; i
< shProg
->NumShaders
; i
++) {
1605 destroy_program_variants(st
, shProg
->Shaders
[i
]->Program
);
1608 for (i
= 0; i
< ARRAY_SIZE(shProg
->_LinkedShaders
); i
++) {
1609 if (shProg
->_LinkedShaders
[i
])
1610 destroy_program_variants(st
, shProg
->_LinkedShaders
[i
]->Program
);
1614 case GL_VERTEX_SHADER
:
1615 case GL_FRAGMENT_SHADER
:
1616 case GL_GEOMETRY_SHADER
:
1617 case GL_TESS_CONTROL_SHADER
:
1618 case GL_TESS_EVALUATION_SHADER
:
1620 destroy_program_variants(st
, shader
->Program
);
1630 * Callback for _mesa_HashWalk. Free all the program variants which match
1631 * the given context.
1634 destroy_program_variants_cb(GLuint key
, void *data
, void *userData
)
1636 struct st_context
*st
= (struct st_context
*) userData
;
1637 struct gl_program
*program
= (struct gl_program
*) data
;
1638 destroy_program_variants(st
, program
);
1643 * Walk over all shaders and programs to delete any variants which
1644 * belong to the given context.
1645 * This is called during context tear-down.
1648 st_destroy_program_variants(struct st_context
*st
)
1650 /* ARB vert/frag program */
1651 _mesa_HashWalk(st
->ctx
->Shared
->Programs
,
1652 destroy_program_variants_cb
, st
);
1654 /* GLSL vert/frag/geom shaders */
1655 _mesa_HashWalk(st
->ctx
->Shared
->ShaderObjects
,
1656 destroy_shader_program_variants_cb
, st
);
1661 * For debugging, print/dump the current vertex program.
1664 st_print_current_vertex_program(void)
1666 GET_CURRENT_CONTEXT(ctx
);
1668 if (ctx
->VertexProgram
._Current
) {
1669 struct st_vertex_program
*stvp
=
1670 (struct st_vertex_program
*) ctx
->VertexProgram
._Current
;
1671 struct st_vp_variant
*stv
;
1673 debug_printf("Vertex program %u\n", stvp
->Base
.Base
.Id
);
1675 for (stv
= stvp
->variants
; stv
; stv
= stv
->next
) {
1676 debug_printf("variant %p\n", stv
);
1677 tgsi_dump(stv
->tgsi
.tokens
, 0);
1684 * Compile one shader variant.
1687 st_precompile_shader_variant(struct st_context
*st
,
1688 struct gl_program
*prog
)
1690 switch (prog
->Target
) {
1691 case GL_VERTEX_PROGRAM_ARB
: {
1692 struct st_vertex_program
*p
= (struct st_vertex_program
*)prog
;
1693 struct st_vp_variant_key key
;
1695 memset(&key
, 0, sizeof(key
));
1697 st_get_vp_variant(st
, p
, &key
);
1701 case GL_TESS_CONTROL_PROGRAM_NV
: {
1702 struct st_tessctrl_program
*p
= (struct st_tessctrl_program
*)prog
;
1703 struct st_tcp_variant_key key
;
1705 memset(&key
, 0, sizeof(key
));
1707 st_get_tcp_variant(st
, p
, &key
);
1711 case GL_TESS_EVALUATION_PROGRAM_NV
: {
1712 struct st_tesseval_program
*p
= (struct st_tesseval_program
*)prog
;
1713 struct st_tep_variant_key key
;
1715 memset(&key
, 0, sizeof(key
));
1717 st_get_tep_variant(st
, p
, &key
);
1721 case GL_GEOMETRY_PROGRAM_NV
: {
1722 struct st_geometry_program
*p
= (struct st_geometry_program
*)prog
;
1723 struct st_gp_variant_key key
;
1725 memset(&key
, 0, sizeof(key
));
1727 st_get_gp_variant(st
, p
, &key
);
1731 case GL_FRAGMENT_PROGRAM_ARB
: {
1732 struct st_fragment_program
*p
= (struct st_fragment_program
*)prog
;
1733 struct st_fp_variant_key key
;
1735 memset(&key
, 0, sizeof(key
));
1737 st_get_fp_variant(st
, p
, &key
);