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 basic program variant. Note the caller must unlink
144 * the variant from the linked list.
147 delete_basic_variant(struct st_context
*st
, struct st_basic_variant
*v
,
150 if (v
->driver_shader
) {
152 case GL_TESS_CONTROL_PROGRAM_NV
:
153 cso_delete_tessctrl_shader(st
->cso_context
, v
->driver_shader
);
155 case GL_TESS_EVALUATION_PROGRAM_NV
:
156 cso_delete_tesseval_shader(st
->cso_context
, v
->driver_shader
);
158 case GL_GEOMETRY_PROGRAM_NV
:
159 cso_delete_geometry_shader(st
->cso_context
, v
->driver_shader
);
162 assert(!"this shouldn't occur");
171 * Free all basic program variants.
174 st_release_basic_variants(struct st_context
*st
, GLenum target
,
175 struct st_basic_variant
**variants
,
176 struct pipe_shader_state
*tgsi
)
178 struct st_basic_variant
*v
;
180 for (v
= *variants
; v
; ) {
181 struct st_basic_variant
*next
= v
->next
;
182 delete_basic_variant(st
, v
, target
);
189 ureg_free_tokens(tgsi
->tokens
);
196 * Translate a vertex program.
199 st_translate_vertex_program(struct st_context
*st
,
200 struct st_vertex_program
*stvp
)
202 struct ureg_program
*ureg
;
203 enum pipe_error error
;
204 unsigned num_outputs
= 0;
206 unsigned input_to_index
[VERT_ATTRIB_MAX
] = {0};
207 unsigned output_slot_to_attr
[VARYING_SLOT_MAX
] = {0};
208 ubyte output_semantic_name
[VARYING_SLOT_MAX
] = {0};
209 ubyte output_semantic_index
[VARYING_SLOT_MAX
] = {0};
211 stvp
->num_inputs
= 0;
213 if (stvp
->Base
.IsPositionInvariant
)
214 _mesa_insert_mvp_code(st
->ctx
, &stvp
->Base
);
217 * Determine number of inputs, the mappings between VERT_ATTRIB_x
218 * and TGSI generic input indexes, plus input attrib semantic info.
220 for (attr
= 0; attr
< VERT_ATTRIB_MAX
; attr
++) {
221 if ((stvp
->Base
.Base
.InputsRead
& BITFIELD64_BIT(attr
)) != 0) {
222 input_to_index
[attr
] = stvp
->num_inputs
;
223 stvp
->index_to_input
[stvp
->num_inputs
] = attr
;
225 if ((stvp
->Base
.Base
.DoubleInputsRead
& BITFIELD64_BIT(attr
)) != 0) {
226 /* add placeholder for second part of a double attribute */
227 stvp
->index_to_input
[stvp
->num_inputs
] = ST_DOUBLE_ATTRIB_PLACEHOLDER
;
232 /* bit of a hack, presetup potentially unused edgeflag input */
233 input_to_index
[VERT_ATTRIB_EDGEFLAG
] = stvp
->num_inputs
;
234 stvp
->index_to_input
[stvp
->num_inputs
] = VERT_ATTRIB_EDGEFLAG
;
236 /* Compute mapping of vertex program outputs to slots.
238 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
239 if ((stvp
->Base
.Base
.OutputsWritten
& BITFIELD64_BIT(attr
)) == 0) {
240 stvp
->result_to_output
[attr
] = ~0;
243 unsigned slot
= num_outputs
++;
245 stvp
->result_to_output
[attr
] = slot
;
246 output_slot_to_attr
[slot
] = attr
;
249 case VARYING_SLOT_POS
:
250 output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
251 output_semantic_index
[slot
] = 0;
253 case VARYING_SLOT_COL0
:
254 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
255 output_semantic_index
[slot
] = 0;
257 case VARYING_SLOT_COL1
:
258 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
259 output_semantic_index
[slot
] = 1;
261 case VARYING_SLOT_BFC0
:
262 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
263 output_semantic_index
[slot
] = 0;
265 case VARYING_SLOT_BFC1
:
266 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
267 output_semantic_index
[slot
] = 1;
269 case VARYING_SLOT_FOGC
:
270 output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
271 output_semantic_index
[slot
] = 0;
273 case VARYING_SLOT_PSIZ
:
274 output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
275 output_semantic_index
[slot
] = 0;
277 case VARYING_SLOT_CLIP_DIST0
:
278 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
279 output_semantic_index
[slot
] = 0;
281 case VARYING_SLOT_CLIP_DIST1
:
282 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
283 output_semantic_index
[slot
] = 1;
285 case VARYING_SLOT_EDGE
:
288 case VARYING_SLOT_CLIP_VERTEX
:
289 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
290 output_semantic_index
[slot
] = 0;
292 case VARYING_SLOT_LAYER
:
293 output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
294 output_semantic_index
[slot
] = 0;
296 case VARYING_SLOT_VIEWPORT
:
297 output_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
298 output_semantic_index
[slot
] = 0;
301 case VARYING_SLOT_TEX0
:
302 case VARYING_SLOT_TEX1
:
303 case VARYING_SLOT_TEX2
:
304 case VARYING_SLOT_TEX3
:
305 case VARYING_SLOT_TEX4
:
306 case VARYING_SLOT_TEX5
:
307 case VARYING_SLOT_TEX6
:
308 case VARYING_SLOT_TEX7
:
309 if (st
->needs_texcoord_semantic
) {
310 output_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
311 output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
315 case VARYING_SLOT_VAR0
:
317 assert(attr
>= VARYING_SLOT_VAR0
||
318 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
319 output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
320 output_semantic_index
[slot
] =
321 st_get_generic_varying_index(st
, attr
);
326 /* similar hack to above, presetup potentially unused edgeflag output */
327 stvp
->result_to_output
[VARYING_SLOT_EDGE
] = num_outputs
;
328 output_semantic_name
[num_outputs
] = TGSI_SEMANTIC_EDGEFLAG
;
329 output_semantic_index
[num_outputs
] = 0;
331 if (!stvp
->glsl_to_tgsi
)
332 _mesa_remove_output_reads(&stvp
->Base
.Base
, PROGRAM_OUTPUT
);
334 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_VERTEX
, st
->pipe
->screen
);
338 if (stvp
->Base
.Base
.ClipDistanceArraySize
)
339 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
340 stvp
->Base
.Base
.ClipDistanceArraySize
);
342 if (ST_DEBUG
& DEBUG_MESA
) {
343 _mesa_print_program(&stvp
->Base
.Base
);
344 _mesa_print_program_parameters(st
->ctx
, &stvp
->Base
.Base
);
348 if (stvp
->glsl_to_tgsi
) {
349 error
= st_translate_program(st
->ctx
,
350 TGSI_PROCESSOR_VERTEX
,
357 NULL
, /* inputSlotToAttr */
358 NULL
, /* input semantic name */
359 NULL
, /* input semantic index */
360 NULL
, /* interp mode */
361 NULL
, /* interp location */
364 stvp
->result_to_output
,
366 output_semantic_name
,
367 output_semantic_index
);
369 st_translate_stream_output_info(stvp
->glsl_to_tgsi
,
370 stvp
->result_to_output
,
371 &stvp
->tgsi
.stream_output
);
373 free_glsl_to_tgsi_visitor(stvp
->glsl_to_tgsi
);
374 stvp
->glsl_to_tgsi
= NULL
;
376 error
= st_translate_mesa_program(st
->ctx
,
377 TGSI_PROCESSOR_VERTEX
,
383 NULL
, /* input semantic name */
384 NULL
, /* input semantic index */
388 stvp
->result_to_output
,
389 output_semantic_name
,
390 output_semantic_index
);
393 debug_printf("%s: failed to translate Mesa program:\n", __func__
);
394 _mesa_print_program(&stvp
->Base
.Base
);
399 stvp
->tgsi
.tokens
= ureg_get_tokens(ureg
, NULL
);
401 return stvp
->tgsi
.tokens
!= NULL
;
404 static struct st_vp_variant
*
405 st_create_vp_variant(struct st_context
*st
,
406 struct st_vertex_program
*stvp
,
407 const struct st_vp_variant_key
*key
)
409 struct st_vp_variant
*vpv
= CALLOC_STRUCT(st_vp_variant
);
410 struct pipe_context
*pipe
= st
->pipe
;
413 vpv
->tgsi
.tokens
= tgsi_dup_tokens(stvp
->tgsi
.tokens
);
414 vpv
->tgsi
.stream_output
= stvp
->tgsi
.stream_output
;
415 vpv
->num_inputs
= stvp
->num_inputs
;
417 /* Emulate features. */
418 if (key
->clamp_color
|| key
->passthrough_edgeflags
) {
419 const struct tgsi_token
*tokens
;
421 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
422 (key
->passthrough_edgeflags
? TGSI_EMU_PASSTHROUGH_EDGEFLAG
: 0);
424 tokens
= tgsi_emulate(vpv
->tgsi
.tokens
, flags
);
427 tgsi_free_tokens(vpv
->tgsi
.tokens
);
428 vpv
->tgsi
.tokens
= tokens
;
430 if (key
->passthrough_edgeflags
)
433 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
436 if (ST_DEBUG
& DEBUG_TGSI
) {
437 tgsi_dump(vpv
->tgsi
.tokens
, 0);
441 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
447 * Find/create a vertex program variant.
449 struct st_vp_variant
*
450 st_get_vp_variant(struct st_context
*st
,
451 struct st_vertex_program
*stvp
,
452 const struct st_vp_variant_key
*key
)
454 struct st_vp_variant
*vpv
;
456 /* Search for existing variant */
457 for (vpv
= stvp
->variants
; vpv
; vpv
= vpv
->next
) {
458 if (memcmp(&vpv
->key
, key
, sizeof(*key
)) == 0) {
465 vpv
= st_create_vp_variant(st
, stvp
, key
);
467 /* insert into list */
468 vpv
->next
= stvp
->variants
;
469 stvp
->variants
= vpv
;
478 st_translate_interp(enum glsl_interp_qualifier glsl_qual
, bool is_color
)
481 case INTERP_QUALIFIER_NONE
:
483 return TGSI_INTERPOLATE_COLOR
;
484 return TGSI_INTERPOLATE_PERSPECTIVE
;
485 case INTERP_QUALIFIER_SMOOTH
:
486 return TGSI_INTERPOLATE_PERSPECTIVE
;
487 case INTERP_QUALIFIER_FLAT
:
488 return TGSI_INTERPOLATE_CONSTANT
;
489 case INTERP_QUALIFIER_NOPERSPECTIVE
:
490 return TGSI_INTERPOLATE_LINEAR
;
492 assert(0 && "unexpected interp mode in st_translate_interp()");
493 return TGSI_INTERPOLATE_PERSPECTIVE
;
499 * Translate a Mesa fragment shader into a TGSI shader.
502 st_translate_fragment_program(struct st_context
*st
,
503 struct st_fragment_program
*stfp
)
505 GLuint outputMapping
[FRAG_RESULT_MAX
];
506 GLuint inputMapping
[VARYING_SLOT_MAX
];
507 GLuint inputSlotToAttr
[VARYING_SLOT_MAX
];
508 GLuint interpMode
[PIPE_MAX_SHADER_INPUTS
]; /* XXX size? */
509 GLuint interpLocation
[PIPE_MAX_SHADER_INPUTS
];
511 GLbitfield64 inputsRead
;
512 struct ureg_program
*ureg
;
514 GLboolean write_all
= GL_FALSE
;
516 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
517 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
518 uint fs_num_inputs
= 0;
520 ubyte fs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
521 ubyte fs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
522 uint fs_num_outputs
= 0;
524 memset(inputSlotToAttr
, ~0, sizeof(inputSlotToAttr
));
526 if (!stfp
->glsl_to_tgsi
) {
527 _mesa_remove_output_reads(&stfp
->Base
.Base
, PROGRAM_OUTPUT
);
528 if (st
->ctx
->Const
.GLSLFragCoordIsSysVal
)
529 _mesa_program_fragment_position_to_sysval(&stfp
->Base
.Base
);
533 * Convert Mesa program inputs to TGSI input register semantics.
535 inputsRead
= stfp
->Base
.Base
.InputsRead
;
536 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
537 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
538 const GLuint slot
= fs_num_inputs
++;
540 inputMapping
[attr
] = slot
;
541 inputSlotToAttr
[slot
] = attr
;
542 if (stfp
->Base
.IsCentroid
& BITFIELD64_BIT(attr
))
543 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_CENTROID
;
544 else if (stfp
->Base
.IsSample
& BITFIELD64_BIT(attr
))
545 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_SAMPLE
;
547 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_CENTER
;
549 if (stfp
->Base
.Base
.SystemValuesRead
& (SYSTEM_BIT_SAMPLE_ID
|
550 SYSTEM_BIT_SAMPLE_POS
))
551 interpLocation
[slot
] = TGSI_INTERPOLATE_LOC_SAMPLE
;
554 case VARYING_SLOT_POS
:
555 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
556 input_semantic_index
[slot
] = 0;
557 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
559 case VARYING_SLOT_COL0
:
560 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
561 input_semantic_index
[slot
] = 0;
562 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
565 case VARYING_SLOT_COL1
:
566 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
567 input_semantic_index
[slot
] = 1;
568 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
571 case VARYING_SLOT_FOGC
:
572 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
573 input_semantic_index
[slot
] = 0;
574 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
576 case VARYING_SLOT_FACE
:
577 input_semantic_name
[slot
] = TGSI_SEMANTIC_FACE
;
578 input_semantic_index
[slot
] = 0;
579 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
581 case VARYING_SLOT_PRIMITIVE_ID
:
582 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
583 input_semantic_index
[slot
] = 0;
584 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
586 case VARYING_SLOT_LAYER
:
587 input_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
588 input_semantic_index
[slot
] = 0;
589 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
591 case VARYING_SLOT_VIEWPORT
:
592 input_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
593 input_semantic_index
[slot
] = 0;
594 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
596 case VARYING_SLOT_CLIP_DIST0
:
597 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
598 input_semantic_index
[slot
] = 0;
599 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
601 case VARYING_SLOT_CLIP_DIST1
:
602 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
603 input_semantic_index
[slot
] = 1;
604 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
606 /* In most cases, there is nothing special about these
607 * inputs, so adopt a convention to use the generic
608 * semantic name and the mesa VARYING_SLOT_ number as the
611 * All that is required is that the vertex shader labels
612 * its own outputs similarly, and that the vertex shader
613 * generates at least every output required by the
614 * fragment shader plus fixed-function hardware (such as
617 * However, some drivers may need us to identify the PNTC and TEXi
618 * varyings if, for example, their capability to replace them with
619 * sprite coordinates is limited.
621 case VARYING_SLOT_PNTC
:
622 if (st
->needs_texcoord_semantic
) {
623 input_semantic_name
[slot
] = TGSI_SEMANTIC_PCOORD
;
624 input_semantic_index
[slot
] = 0;
625 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
629 case VARYING_SLOT_TEX0
:
630 case VARYING_SLOT_TEX1
:
631 case VARYING_SLOT_TEX2
:
632 case VARYING_SLOT_TEX3
:
633 case VARYING_SLOT_TEX4
:
634 case VARYING_SLOT_TEX5
:
635 case VARYING_SLOT_TEX6
:
636 case VARYING_SLOT_TEX7
:
637 if (st
->needs_texcoord_semantic
) {
638 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
639 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
641 st_translate_interp(stfp
->Base
.InterpQualifier
[attr
], FALSE
);
645 case VARYING_SLOT_VAR0
:
647 /* Semantic indices should be zero-based because drivers may choose
648 * to assign a fixed slot determined by that index.
649 * This is useful because ARB_separate_shader_objects uses location
650 * qualifiers for linkage, and if the semantic index corresponds to
651 * these locations, linkage passes in the driver become unecessary.
653 * If needs_texcoord_semantic is true, no semantic indices will be
654 * consumed for the TEXi varyings, and we can base the locations of
655 * the user varyings on VAR0. Otherwise, we use TEX0 as base index.
657 assert(attr
>= VARYING_SLOT_VAR0
|| attr
== VARYING_SLOT_PNTC
||
658 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
659 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
660 input_semantic_index
[slot
] = st_get_generic_varying_index(st
, attr
);
661 if (attr
== VARYING_SLOT_PNTC
)
662 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
664 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
670 inputMapping
[attr
] = -1;
675 * Semantics and mapping for outputs
679 GLbitfield64 outputsWritten
= stfp
->Base
.Base
.OutputsWritten
;
681 /* if z is written, emit that first */
682 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
683 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_POSITION
;
684 fs_output_semantic_index
[fs_num_outputs
] = 0;
685 outputMapping
[FRAG_RESULT_DEPTH
] = fs_num_outputs
;
687 outputsWritten
&= ~(1 << FRAG_RESULT_DEPTH
);
690 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_STENCIL
)) {
691 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_STENCIL
;
692 fs_output_semantic_index
[fs_num_outputs
] = 0;
693 outputMapping
[FRAG_RESULT_STENCIL
] = fs_num_outputs
;
695 outputsWritten
&= ~(1 << FRAG_RESULT_STENCIL
);
698 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK
)) {
699 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_SAMPLEMASK
;
700 fs_output_semantic_index
[fs_num_outputs
] = 0;
701 outputMapping
[FRAG_RESULT_SAMPLE_MASK
] = fs_num_outputs
;
703 outputsWritten
&= ~(1 << FRAG_RESULT_SAMPLE_MASK
);
706 /* handle remaining outputs (color) */
707 for (attr
= 0; attr
< FRAG_RESULT_MAX
; attr
++) {
708 if (outputsWritten
& BITFIELD64_BIT(attr
)) {
710 case FRAG_RESULT_DEPTH
:
711 case FRAG_RESULT_STENCIL
:
712 case FRAG_RESULT_SAMPLE_MASK
:
716 case FRAG_RESULT_COLOR
:
717 write_all
= GL_TRUE
; /* fallthrough */
719 assert(attr
== FRAG_RESULT_COLOR
||
720 (FRAG_RESULT_DATA0
<= attr
&& attr
< FRAG_RESULT_MAX
));
721 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_COLOR
;
722 fs_output_semantic_index
[fs_num_outputs
] = numColors
;
723 outputMapping
[attr
] = fs_num_outputs
;
733 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_FRAGMENT
, st
->pipe
->screen
);
737 if (ST_DEBUG
& DEBUG_MESA
) {
738 _mesa_print_program(&stfp
->Base
.Base
);
739 _mesa_print_program_parameters(st
->ctx
, &stfp
->Base
.Base
);
742 if (write_all
== GL_TRUE
)
743 ureg_property(ureg
, TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS
, 1);
745 if (stfp
->Base
.FragDepthLayout
!= FRAG_DEPTH_LAYOUT_NONE
) {
746 switch (stfp
->Base
.FragDepthLayout
) {
747 case FRAG_DEPTH_LAYOUT_ANY
:
748 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
749 TGSI_FS_DEPTH_LAYOUT_ANY
);
751 case FRAG_DEPTH_LAYOUT_GREATER
:
752 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
753 TGSI_FS_DEPTH_LAYOUT_GREATER
);
755 case FRAG_DEPTH_LAYOUT_LESS
:
756 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
757 TGSI_FS_DEPTH_LAYOUT_LESS
);
759 case FRAG_DEPTH_LAYOUT_UNCHANGED
:
760 ureg_property(ureg
, TGSI_PROPERTY_FS_DEPTH_LAYOUT
,
761 TGSI_FS_DEPTH_LAYOUT_UNCHANGED
);
768 if (stfp
->glsl_to_tgsi
) {
769 st_translate_program(st
->ctx
,
770 TGSI_PROCESSOR_FRAGMENT
,
779 input_semantic_index
,
786 fs_output_semantic_name
,
787 fs_output_semantic_index
);
789 free_glsl_to_tgsi_visitor(stfp
->glsl_to_tgsi
);
790 stfp
->glsl_to_tgsi
= NULL
;
792 st_translate_mesa_program(st
->ctx
,
793 TGSI_PROCESSOR_FRAGMENT
,
800 input_semantic_index
,
805 fs_output_semantic_name
,
806 fs_output_semantic_index
);
808 stfp
->tgsi
.tokens
= ureg_get_tokens(ureg
, NULL
);
810 return stfp
->tgsi
.tokens
!= NULL
;
813 static struct st_fp_variant
*
814 st_create_fp_variant(struct st_context
*st
,
815 struct st_fragment_program
*stfp
,
816 const struct st_fp_variant_key
*key
)
818 struct pipe_context
*pipe
= st
->pipe
;
819 struct st_fp_variant
*variant
= CALLOC_STRUCT(st_fp_variant
);
820 struct pipe_shader_state tgsi
= {0};
825 tgsi
.tokens
= stfp
->tgsi
.tokens
;
827 assert(!(key
->bitmap
&& key
->drawpixels
));
829 /* Emulate features. */
830 if (key
->clamp_color
|| key
->persample_shading
) {
831 const struct tgsi_token
*tokens
;
833 (key
->clamp_color
? TGSI_EMU_CLAMP_COLOR_OUTPUTS
: 0) |
834 (key
->persample_shading
? TGSI_EMU_FORCE_PERSAMPLE_INTERP
: 0);
836 tokens
= tgsi_emulate(tgsi
.tokens
, flags
);
839 tgsi
.tokens
= tokens
;
841 fprintf(stderr
, "mesa: cannot emulate deprecated features\n");
846 const struct tgsi_token
*tokens
;
848 variant
->bitmap_sampler
= ffs(~stfp
->Base
.Base
.SamplersUsed
) - 1;
850 tokens
= st_get_bitmap_shader(tgsi
.tokens
,
851 variant
->bitmap_sampler
,
852 st
->needs_texcoord_semantic
,
853 st
->bitmap
.tex_format
==
854 PIPE_FORMAT_L8_UNORM
);
857 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
858 tgsi_free_tokens(tgsi
.tokens
);
859 tgsi
.tokens
= tokens
;
861 fprintf(stderr
, "mesa: cannot create a shader for glBitmap\n");
864 /* glDrawPixels (color only) */
865 if (key
->drawpixels
) {
866 const struct tgsi_token
*tokens
;
867 unsigned scale_const
= 0, bias_const
= 0, texcoord_const
= 0;
868 struct gl_program_parameter_list
*params
= stfp
->Base
.Base
.Parameters
;
870 /* Find the first unused slot. */
871 variant
->drawpix_sampler
= ffs(~stfp
->Base
.Base
.SamplersUsed
) - 1;
873 if (key
->pixelMaps
) {
874 unsigned samplers_used
= stfp
->Base
.Base
.SamplersUsed
|
875 (1 << variant
->drawpix_sampler
);
877 variant
->pixelmap_sampler
= ffs(~samplers_used
) - 1;
880 if (key
->scaleAndBias
) {
881 static const gl_state_index scale_state
[STATE_LENGTH
] =
882 { STATE_INTERNAL
, STATE_PT_SCALE
};
883 static const gl_state_index bias_state
[STATE_LENGTH
] =
884 { STATE_INTERNAL
, STATE_PT_BIAS
};
886 scale_const
= _mesa_add_state_reference(params
, scale_state
);
887 bias_const
= _mesa_add_state_reference(params
, bias_state
);
891 static const gl_state_index state
[STATE_LENGTH
] =
892 { STATE_INTERNAL
, STATE_CURRENT_ATTRIB
, VERT_ATTRIB_TEX0
};
894 texcoord_const
= _mesa_add_state_reference(params
, state
);
897 tokens
= st_get_drawpix_shader(tgsi
.tokens
,
898 st
->needs_texcoord_semantic
,
899 key
->scaleAndBias
, scale_const
,
900 bias_const
, key
->pixelMaps
,
901 variant
->drawpix_sampler
,
902 variant
->pixelmap_sampler
,
906 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
907 tgsi_free_tokens(tgsi
.tokens
);
908 tgsi
.tokens
= tokens
;
910 fprintf(stderr
, "mesa: cannot create a shader for glDrawPixels\n");
913 if (ST_DEBUG
& DEBUG_TGSI
) {
914 tgsi_dump(tgsi
.tokens
, 0);
918 /* fill in variant */
919 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &tgsi
);
922 if (tgsi
.tokens
!= stfp
->tgsi
.tokens
)
923 tgsi_free_tokens(tgsi
.tokens
);
928 * Translate fragment program if needed.
930 struct st_fp_variant
*
931 st_get_fp_variant(struct st_context
*st
,
932 struct st_fragment_program
*stfp
,
933 const struct st_fp_variant_key
*key
)
935 struct st_fp_variant
*fpv
;
937 /* Search for existing variant */
938 for (fpv
= stfp
->variants
; fpv
; fpv
= fpv
->next
) {
939 if (memcmp(&fpv
->key
, key
, sizeof(*key
)) == 0) {
946 fpv
= st_create_fp_variant(st
, stfp
, key
);
948 /* insert into list */
949 fpv
->next
= stfp
->variants
;
950 stfp
->variants
= fpv
;
959 * Translate a program. This is common code for geometry and tessellation
963 st_translate_program_common(struct st_context
*st
,
964 struct gl_program
*prog
,
965 struct glsl_to_tgsi_visitor
*glsl_to_tgsi
,
966 struct ureg_program
*ureg
,
967 unsigned tgsi_processor
,
968 struct pipe_shader_state
*out_state
)
970 GLuint inputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
971 GLuint inputMapping
[VARYING_SLOT_TESS_MAX
];
972 GLuint outputSlotToAttr
[VARYING_SLOT_TESS_MAX
];
973 GLuint outputMapping
[VARYING_SLOT_TESS_MAX
];
976 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
977 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
980 ubyte output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
981 ubyte output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
982 uint num_outputs
= 0;
986 memset(inputSlotToAttr
, 0, sizeof(inputSlotToAttr
));
987 memset(inputMapping
, 0, sizeof(inputMapping
));
988 memset(outputSlotToAttr
, 0, sizeof(outputSlotToAttr
));
989 memset(outputMapping
, 0, sizeof(outputMapping
));
990 memset(out_state
, 0, sizeof(*out_state
));
992 if (prog
->ClipDistanceArraySize
)
993 ureg_property(ureg
, TGSI_PROPERTY_NUM_CLIPDIST_ENABLED
,
994 prog
->ClipDistanceArraySize
);
997 * Convert Mesa program inputs to TGSI input register semantics.
999 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1000 if ((prog
->InputsRead
& BITFIELD64_BIT(attr
)) != 0) {
1001 const GLuint slot
= num_inputs
++;
1003 inputMapping
[attr
] = slot
;
1004 inputSlotToAttr
[slot
] = attr
;
1007 case VARYING_SLOT_PRIMITIVE_ID
:
1008 assert(tgsi_processor
== TGSI_PROCESSOR_GEOMETRY
);
1009 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
1010 input_semantic_index
[slot
] = 0;
1012 case VARYING_SLOT_POS
:
1013 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
1014 input_semantic_index
[slot
] = 0;
1016 case VARYING_SLOT_COL0
:
1017 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1018 input_semantic_index
[slot
] = 0;
1020 case VARYING_SLOT_COL1
:
1021 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1022 input_semantic_index
[slot
] = 1;
1024 case VARYING_SLOT_FOGC
:
1025 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1026 input_semantic_index
[slot
] = 0;
1028 case VARYING_SLOT_CLIP_VERTEX
:
1029 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1030 input_semantic_index
[slot
] = 0;
1032 case VARYING_SLOT_CLIP_DIST0
:
1033 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1034 input_semantic_index
[slot
] = 0;
1036 case VARYING_SLOT_CLIP_DIST1
:
1037 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1038 input_semantic_index
[slot
] = 1;
1040 case VARYING_SLOT_PSIZ
:
1041 input_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1042 input_semantic_index
[slot
] = 0;
1044 case VARYING_SLOT_TEX0
:
1045 case VARYING_SLOT_TEX1
:
1046 case VARYING_SLOT_TEX2
:
1047 case VARYING_SLOT_TEX3
:
1048 case VARYING_SLOT_TEX4
:
1049 case VARYING_SLOT_TEX5
:
1050 case VARYING_SLOT_TEX6
:
1051 case VARYING_SLOT_TEX7
:
1052 if (st
->needs_texcoord_semantic
) {
1053 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1054 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1058 case VARYING_SLOT_VAR0
:
1060 assert(attr
>= VARYING_SLOT_VAR0
||
1061 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1062 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1063 input_semantic_index
[slot
] =
1064 st_get_generic_varying_index(st
, attr
);
1070 /* Also add patch inputs. */
1071 for (attr
= 0; attr
< 32; attr
++) {
1072 if (prog
->PatchInputsRead
& (1 << attr
)) {
1073 GLuint slot
= num_inputs
++;
1074 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1076 inputMapping
[patch_attr
] = slot
;
1077 inputSlotToAttr
[slot
] = patch_attr
;
1078 input_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1079 input_semantic_index
[slot
] = attr
;
1083 /* initialize output semantics to defaults */
1084 for (i
= 0; i
< PIPE_MAX_SHADER_OUTPUTS
; i
++) {
1085 output_semantic_name
[i
] = TGSI_SEMANTIC_GENERIC
;
1086 output_semantic_index
[i
] = 0;
1090 * Determine number of outputs, the (default) output register
1091 * mapping and the semantic information for each output.
1093 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1094 if (prog
->OutputsWritten
& BITFIELD64_BIT(attr
)) {
1095 GLuint slot
= num_outputs
++;
1097 outputMapping
[attr
] = slot
;
1098 outputSlotToAttr
[slot
] = attr
;
1101 case VARYING_SLOT_POS
:
1103 output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
1104 output_semantic_index
[slot
] = 0;
1106 case VARYING_SLOT_COL0
:
1107 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1108 output_semantic_index
[slot
] = 0;
1110 case VARYING_SLOT_COL1
:
1111 output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
1112 output_semantic_index
[slot
] = 1;
1114 case VARYING_SLOT_BFC0
:
1115 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1116 output_semantic_index
[slot
] = 0;
1118 case VARYING_SLOT_BFC1
:
1119 output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1120 output_semantic_index
[slot
] = 1;
1122 case VARYING_SLOT_FOGC
:
1123 output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1124 output_semantic_index
[slot
] = 0;
1126 case VARYING_SLOT_PSIZ
:
1127 output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1128 output_semantic_index
[slot
] = 0;
1130 case VARYING_SLOT_CLIP_VERTEX
:
1131 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1132 output_semantic_index
[slot
] = 0;
1134 case VARYING_SLOT_CLIP_DIST0
:
1135 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1136 output_semantic_index
[slot
] = 0;
1138 case VARYING_SLOT_CLIP_DIST1
:
1139 output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1140 output_semantic_index
[slot
] = 1;
1142 case VARYING_SLOT_LAYER
:
1143 output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
1144 output_semantic_index
[slot
] = 0;
1146 case VARYING_SLOT_PRIMITIVE_ID
:
1147 output_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
1148 output_semantic_index
[slot
] = 0;
1150 case VARYING_SLOT_VIEWPORT
:
1151 output_semantic_name
[slot
] = TGSI_SEMANTIC_VIEWPORT_INDEX
;
1152 output_semantic_index
[slot
] = 0;
1154 case VARYING_SLOT_TESS_LEVEL_OUTER
:
1155 output_semantic_name
[slot
] = TGSI_SEMANTIC_TESSOUTER
;
1156 output_semantic_index
[slot
] = 0;
1158 case VARYING_SLOT_TESS_LEVEL_INNER
:
1159 output_semantic_name
[slot
] = TGSI_SEMANTIC_TESSINNER
;
1160 output_semantic_index
[slot
] = 0;
1162 case VARYING_SLOT_TEX0
:
1163 case VARYING_SLOT_TEX1
:
1164 case VARYING_SLOT_TEX2
:
1165 case VARYING_SLOT_TEX3
:
1166 case VARYING_SLOT_TEX4
:
1167 case VARYING_SLOT_TEX5
:
1168 case VARYING_SLOT_TEX6
:
1169 case VARYING_SLOT_TEX7
:
1170 if (st
->needs_texcoord_semantic
) {
1171 output_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
1172 output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
1176 case VARYING_SLOT_VAR0
:
1178 assert(slot
< ARRAY_SIZE(output_semantic_name
));
1179 assert(attr
>= VARYING_SLOT_VAR0
||
1180 (attr
>= VARYING_SLOT_TEX0
&& attr
<= VARYING_SLOT_TEX7
));
1181 output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1182 output_semantic_index
[slot
] =
1183 st_get_generic_varying_index(st
, attr
);
1189 /* Also add patch outputs. */
1190 for (attr
= 0; attr
< 32; attr
++) {
1191 if (prog
->PatchOutputsWritten
& (1 << attr
)) {
1192 GLuint slot
= num_outputs
++;
1193 GLuint patch_attr
= VARYING_SLOT_PATCH0
+ attr
;
1195 outputMapping
[patch_attr
] = slot
;
1196 outputSlotToAttr
[slot
] = patch_attr
;
1197 output_semantic_name
[slot
] = TGSI_SEMANTIC_PATCH
;
1198 output_semantic_index
[slot
] = attr
;
1202 st_translate_program(st
->ctx
,
1211 input_semantic_name
,
1212 input_semantic_index
,
1219 output_semantic_name
,
1220 output_semantic_index
);
1222 out_state
->tokens
= ureg_get_tokens(ureg
, NULL
);
1225 st_translate_stream_output_info(glsl_to_tgsi
,
1227 &out_state
->stream_output
);
1229 if ((ST_DEBUG
& DEBUG_TGSI
) && (ST_DEBUG
& DEBUG_MESA
)) {
1230 _mesa_print_program(prog
);
1234 if (ST_DEBUG
& DEBUG_TGSI
) {
1235 tgsi_dump(out_state
->tokens
, 0);
1242 * Translate a geometry program to create a new variant.
1245 st_translate_geometry_program(struct st_context
*st
,
1246 struct st_geometry_program
*stgp
)
1248 struct ureg_program
*ureg
;
1250 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_GEOMETRY
, st
->pipe
->screen
);
1254 ureg_property(ureg
, TGSI_PROPERTY_GS_INPUT_PRIM
, stgp
->Base
.InputType
);
1255 ureg_property(ureg
, TGSI_PROPERTY_GS_OUTPUT_PRIM
, stgp
->Base
.OutputType
);
1256 ureg_property(ureg
, TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES
,
1257 stgp
->Base
.VerticesOut
);
1258 ureg_property(ureg
, TGSI_PROPERTY_GS_INVOCATIONS
, stgp
->Base
.Invocations
);
1260 st_translate_program_common(st
, &stgp
->Base
.Base
, stgp
->glsl_to_tgsi
, ureg
,
1261 TGSI_PROCESSOR_GEOMETRY
, &stgp
->tgsi
);
1263 free_glsl_to_tgsi_visitor(stgp
->glsl_to_tgsi
);
1264 stgp
->glsl_to_tgsi
= NULL
;
1270 * Get/create a basic program variant.
1272 struct st_basic_variant
*
1273 st_get_basic_variant(struct st_context
*st
,
1274 struct pipe_shader_state
*tgsi
,
1275 struct st_basic_variant
**variants
)
1277 struct pipe_context
*pipe
= st
->pipe
;
1278 struct st_basic_variant
*v
;
1279 struct st_basic_variant_key key
;
1281 memset(&key
, 0, sizeof(key
));
1282 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1284 /* Search for existing variant */
1285 for (v
= *variants
; v
; v
= v
->next
) {
1286 if (memcmp(&v
->key
, &key
, sizeof(key
)) == 0) {
1293 v
= CALLOC_STRUCT(st_basic_variant
);
1295 /* fill in new variant */
1296 v
->driver_shader
= pipe
->create_gs_state(pipe
, tgsi
);
1299 /* insert into list */
1300 v
->next
= *variants
;
1310 * Translate a tessellation control program to create a new variant.
1313 st_translate_tessctrl_program(struct st_context
*st
,
1314 struct st_tessctrl_program
*sttcp
)
1316 struct ureg_program
*ureg
;
1318 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_TESS_CTRL
, st
->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
, &sttcp
->tgsi
);
1328 free_glsl_to_tgsi_visitor(sttcp
->glsl_to_tgsi
);
1329 sttcp
->glsl_to_tgsi
= NULL
;
1335 * Translate a tessellation evaluation program to create a new variant.
1338 st_translate_tesseval_program(struct st_context
*st
,
1339 struct st_tesseval_program
*sttep
)
1341 struct ureg_program
*ureg
;
1343 ureg
= ureg_create_with_screen(TGSI_PROCESSOR_TESS_EVAL
, st
->pipe
->screen
);
1347 if (sttep
->Base
.PrimitiveMode
== GL_ISOLINES
)
1348 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, GL_LINES
);
1350 ureg_property(ureg
, TGSI_PROPERTY_TES_PRIM_MODE
, sttep
->Base
.PrimitiveMode
);
1352 switch (sttep
->Base
.Spacing
) {
1354 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
, PIPE_TESS_SPACING_EQUAL
);
1356 case GL_FRACTIONAL_EVEN
:
1357 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1358 PIPE_TESS_SPACING_FRACTIONAL_EVEN
);
1360 case GL_FRACTIONAL_ODD
:
1361 ureg_property(ureg
, TGSI_PROPERTY_TES_SPACING
,
1362 PIPE_TESS_SPACING_FRACTIONAL_ODD
);
1368 ureg_property(ureg
, TGSI_PROPERTY_TES_VERTEX_ORDER_CW
,
1369 sttep
->Base
.VertexOrder
== GL_CW
);
1370 ureg_property(ureg
, TGSI_PROPERTY_TES_POINT_MODE
, sttep
->Base
.PointMode
);
1372 st_translate_program_common(st
, &sttep
->Base
.Base
, sttep
->glsl_to_tgsi
,
1373 ureg
, TGSI_PROCESSOR_TESS_EVAL
, &sttep
->tgsi
);
1375 free_glsl_to_tgsi_visitor(sttep
->glsl_to_tgsi
);
1376 sttep
->glsl_to_tgsi
= NULL
;
1382 * Vert/Geom/Frag programs have per-context variants. Free all the
1383 * variants attached to the given program which match the given context.
1386 destroy_program_variants(struct st_context
*st
, struct gl_program
*target
)
1388 if (!target
|| target
== &_mesa_DummyProgram
)
1391 switch (target
->Target
) {
1392 case GL_VERTEX_PROGRAM_ARB
:
1394 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) target
;
1395 struct st_vp_variant
*vpv
, **prevPtr
= &stvp
->variants
;
1397 for (vpv
= stvp
->variants
; vpv
; ) {
1398 struct st_vp_variant
*next
= vpv
->next
;
1399 if (vpv
->key
.st
== st
) {
1400 /* unlink from list */
1402 /* destroy this variant */
1403 delete_vp_variant(st
, vpv
);
1406 prevPtr
= &vpv
->next
;
1412 case GL_FRAGMENT_PROGRAM_ARB
:
1414 struct st_fragment_program
*stfp
=
1415 (struct st_fragment_program
*) target
;
1416 struct st_fp_variant
*fpv
, **prevPtr
= &stfp
->variants
;
1418 for (fpv
= stfp
->variants
; fpv
; ) {
1419 struct st_fp_variant
*next
= fpv
->next
;
1420 if (fpv
->key
.st
== st
) {
1421 /* unlink from list */
1423 /* destroy this variant */
1424 delete_fp_variant(st
, fpv
);
1427 prevPtr
= &fpv
->next
;
1433 case GL_GEOMETRY_PROGRAM_NV
:
1435 struct st_geometry_program
*stgp
=
1436 (struct st_geometry_program
*) target
;
1437 struct st_basic_variant
*gpv
, **prevPtr
= &stgp
->variants
;
1439 for (gpv
= stgp
->variants
; gpv
; ) {
1440 struct st_basic_variant
*next
= gpv
->next
;
1441 if (gpv
->key
.st
== st
) {
1442 /* unlink from list */
1444 /* destroy this variant */
1445 delete_basic_variant(st
, gpv
, stgp
->Base
.Base
.Target
);
1448 prevPtr
= &gpv
->next
;
1454 case GL_TESS_CONTROL_PROGRAM_NV
:
1456 struct st_tessctrl_program
*sttcp
=
1457 (struct st_tessctrl_program
*) target
;
1458 struct st_basic_variant
*tcpv
, **prevPtr
= &sttcp
->variants
;
1460 for (tcpv
= sttcp
->variants
; tcpv
; ) {
1461 struct st_basic_variant
*next
= tcpv
->next
;
1462 if (tcpv
->key
.st
== st
) {
1463 /* unlink from list */
1465 /* destroy this variant */
1466 delete_basic_variant(st
, tcpv
, sttcp
->Base
.Base
.Target
);
1469 prevPtr
= &tcpv
->next
;
1475 case GL_TESS_EVALUATION_PROGRAM_NV
:
1477 struct st_tesseval_program
*sttep
=
1478 (struct st_tesseval_program
*) target
;
1479 struct st_basic_variant
*tepv
, **prevPtr
= &sttep
->variants
;
1481 for (tepv
= sttep
->variants
; tepv
; ) {
1482 struct st_basic_variant
*next
= tepv
->next
;
1483 if (tepv
->key
.st
== st
) {
1484 /* unlink from list */
1486 /* destroy this variant */
1487 delete_basic_variant(st
, tepv
, sttep
->Base
.Base
.Target
);
1490 prevPtr
= &tepv
->next
;
1497 _mesa_problem(NULL
, "Unexpected program target 0x%x in "
1498 "destroy_program_variants_cb()", target
->Target
);
1504 * Callback for _mesa_HashWalk. Free all the shader's program variants
1505 * which match the given context.
1508 destroy_shader_program_variants_cb(GLuint key
, void *data
, void *userData
)
1510 struct st_context
*st
= (struct st_context
*) userData
;
1511 struct gl_shader
*shader
= (struct gl_shader
*) data
;
1513 switch (shader
->Type
) {
1514 case GL_SHADER_PROGRAM_MESA
:
1516 struct gl_shader_program
*shProg
= (struct gl_shader_program
*) data
;
1519 for (i
= 0; i
< shProg
->NumShaders
; i
++) {
1520 destroy_program_variants(st
, shProg
->Shaders
[i
]->Program
);
1523 for (i
= 0; i
< ARRAY_SIZE(shProg
->_LinkedShaders
); i
++) {
1524 if (shProg
->_LinkedShaders
[i
])
1525 destroy_program_variants(st
, shProg
->_LinkedShaders
[i
]->Program
);
1529 case GL_VERTEX_SHADER
:
1530 case GL_FRAGMENT_SHADER
:
1531 case GL_GEOMETRY_SHADER
:
1532 case GL_TESS_CONTROL_SHADER
:
1533 case GL_TESS_EVALUATION_SHADER
:
1535 destroy_program_variants(st
, shader
->Program
);
1545 * Callback for _mesa_HashWalk. Free all the program variants which match
1546 * the given context.
1549 destroy_program_variants_cb(GLuint key
, void *data
, void *userData
)
1551 struct st_context
*st
= (struct st_context
*) userData
;
1552 struct gl_program
*program
= (struct gl_program
*) data
;
1553 destroy_program_variants(st
, program
);
1558 * Walk over all shaders and programs to delete any variants which
1559 * belong to the given context.
1560 * This is called during context tear-down.
1563 st_destroy_program_variants(struct st_context
*st
)
1565 /* If shaders can be shared with other contexts, the last context will
1566 * call DeleteProgram on all shaders, releasing everything.
1568 if (st
->has_shareable_shaders
)
1571 /* ARB vert/frag program */
1572 _mesa_HashWalk(st
->ctx
->Shared
->Programs
,
1573 destroy_program_variants_cb
, st
);
1575 /* GLSL vert/frag/geom shaders */
1576 _mesa_HashWalk(st
->ctx
->Shared
->ShaderObjects
,
1577 destroy_shader_program_variants_cb
, st
);
1582 * For debugging, print/dump the current vertex program.
1585 st_print_current_vertex_program(void)
1587 GET_CURRENT_CONTEXT(ctx
);
1589 if (ctx
->VertexProgram
._Current
) {
1590 struct st_vertex_program
*stvp
=
1591 (struct st_vertex_program
*) ctx
->VertexProgram
._Current
;
1592 struct st_vp_variant
*stv
;
1594 debug_printf("Vertex program %u\n", stvp
->Base
.Base
.Id
);
1596 for (stv
= stvp
->variants
; stv
; stv
= stv
->next
) {
1597 debug_printf("variant %p\n", stv
);
1598 tgsi_dump(stv
->tgsi
.tokens
, 0);
1605 * Compile one shader variant.
1608 st_precompile_shader_variant(struct st_context
*st
,
1609 struct gl_program
*prog
)
1611 switch (prog
->Target
) {
1612 case GL_VERTEX_PROGRAM_ARB
: {
1613 struct st_vertex_program
*p
= (struct st_vertex_program
*)prog
;
1614 struct st_vp_variant_key key
;
1616 memset(&key
, 0, sizeof(key
));
1617 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1618 st_get_vp_variant(st
, p
, &key
);
1622 case GL_TESS_CONTROL_PROGRAM_NV
: {
1623 struct st_tessctrl_program
*p
= (struct st_tessctrl_program
*)prog
;
1624 st_get_basic_variant(st
, &p
->tgsi
, &p
->variants
);
1628 case GL_TESS_EVALUATION_PROGRAM_NV
: {
1629 struct st_tesseval_program
*p
= (struct st_tesseval_program
*)prog
;
1630 st_get_basic_variant(st
, &p
->tgsi
, &p
->variants
);
1634 case GL_GEOMETRY_PROGRAM_NV
: {
1635 struct st_geometry_program
*p
= (struct st_geometry_program
*)prog
;
1636 st_get_basic_variant(st
, &p
->tgsi
, &p
->variants
);
1640 case GL_FRAGMENT_PROGRAM_ARB
: {
1641 struct st_fragment_program
*p
= (struct st_fragment_program
*)prog
;
1642 struct st_fp_variant_key key
;
1644 memset(&key
, 0, sizeof(key
));
1645 key
.st
= st
->has_shareable_shaders
? NULL
: st
;
1646 st_get_fp_variant(st
, p
, &key
);