1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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 TUNGSTEN GRAPHICS 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 <keith@tungstengraphics.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_ureg.h"
49 #include "st_cb_bitmap.h"
50 #include "st_cb_drawpixels.h"
51 #include "st_context.h"
52 #include "st_program.h"
53 #include "st_mesa_to_tgsi.h"
54 #include "cso_cache/cso_context.h"
59 * Delete a vertex program variant. Note the caller must unlink
60 * the variant from the linked list.
63 delete_vp_variant(struct st_context
*st
, struct st_vp_variant
*vpv
)
65 if (vpv
->driver_shader
)
66 cso_delete_vertex_shader(st
->cso_context
, vpv
->driver_shader
);
69 draw_delete_vertex_shader( st
->draw
, vpv
->draw_shader
);
72 st_free_tokens(vpv
->tgsi
.tokens
);
80 * Clean out any old compilations:
83 st_release_vp_variants( struct st_context
*st
,
84 struct st_vertex_program
*stvp
)
86 struct st_vp_variant
*vpv
;
88 for (vpv
= stvp
->variants
; vpv
; ) {
89 struct st_vp_variant
*next
= vpv
->next
;
90 delete_vp_variant(st
, vpv
);
94 stvp
->variants
= NULL
;
100 * Delete a fragment program variant. Note the caller must unlink
101 * the variant from the linked list.
104 delete_fp_variant(struct st_context
*st
, struct st_fp_variant
*fpv
)
106 if (fpv
->driver_shader
)
107 cso_delete_fragment_shader(st
->cso_context
, fpv
->driver_shader
);
109 _mesa_free_parameter_list(fpv
->parameters
);
110 if (fpv
->tgsi
.tokens
)
111 st_free_tokens(fpv
->tgsi
.tokens
);
117 * Free all variants of a fragment program.
120 st_release_fp_variants(struct st_context
*st
, struct st_fragment_program
*stfp
)
122 struct st_fp_variant
*fpv
;
124 for (fpv
= stfp
->variants
; fpv
; ) {
125 struct st_fp_variant
*next
= fpv
->next
;
126 delete_fp_variant(st
, fpv
);
130 stfp
->variants
= NULL
;
135 * Delete a geometry program variant. Note the caller must unlink
136 * the variant from the linked list.
139 delete_gp_variant(struct st_context
*st
, struct st_gp_variant
*gpv
)
141 if (gpv
->driver_shader
)
142 cso_delete_geometry_shader(st
->cso_context
, gpv
->driver_shader
);
149 * Free all variants of a geometry program.
152 st_release_gp_variants(struct st_context
*st
, struct st_geometry_program
*stgp
)
154 struct st_gp_variant
*gpv
;
156 for (gpv
= stgp
->variants
; gpv
; ) {
157 struct st_gp_variant
*next
= gpv
->next
;
158 delete_gp_variant(st
, gpv
);
162 stgp
->variants
= NULL
;
169 * Translate a Mesa vertex shader into a TGSI shader.
170 * \param outputMapping to map vertex program output registers (VARYING_SLOT_x)
171 * to TGSI output slots
172 * \param tokensOut destination for TGSI tokens
173 * \return pointer to cached pipe_shader object.
176 st_prepare_vertex_program(struct gl_context
*ctx
,
177 struct st_vertex_program
*stvp
)
179 struct st_context
*st
= st_context(ctx
);
182 stvp
->num_inputs
= 0;
183 stvp
->num_outputs
= 0;
185 if (stvp
->Base
.IsPositionInvariant
)
186 _mesa_insert_mvp_code(ctx
, &stvp
->Base
);
188 if (!stvp
->glsl_to_tgsi
)
189 assert(stvp
->Base
.Base
.NumInstructions
> 1);
192 * Determine number of inputs, the mappings between VERT_ATTRIB_x
193 * and TGSI generic input indexes, plus input attrib semantic info.
195 for (attr
= 0; attr
< VERT_ATTRIB_MAX
; attr
++) {
196 if ((stvp
->Base
.Base
.InputsRead
& BITFIELD64_BIT(attr
)) != 0) {
197 stvp
->input_to_index
[attr
] = stvp
->num_inputs
;
198 stvp
->index_to_input
[stvp
->num_inputs
] = attr
;
202 /* bit of a hack, presetup potentially unused edgeflag input */
203 stvp
->input_to_index
[VERT_ATTRIB_EDGEFLAG
] = stvp
->num_inputs
;
204 stvp
->index_to_input
[stvp
->num_inputs
] = VERT_ATTRIB_EDGEFLAG
;
206 /* Compute mapping of vertex program outputs to slots.
208 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
209 if ((stvp
->Base
.Base
.OutputsWritten
& BITFIELD64_BIT(attr
)) == 0) {
210 stvp
->result_to_output
[attr
] = ~0;
213 unsigned slot
= stvp
->num_outputs
++;
215 stvp
->result_to_output
[attr
] = slot
;
218 case VARYING_SLOT_POS
:
219 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
220 stvp
->output_semantic_index
[slot
] = 0;
222 case VARYING_SLOT_COL0
:
223 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
224 stvp
->output_semantic_index
[slot
] = 0;
226 case VARYING_SLOT_COL1
:
227 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
228 stvp
->output_semantic_index
[slot
] = 1;
230 case VARYING_SLOT_BFC0
:
231 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
232 stvp
->output_semantic_index
[slot
] = 0;
234 case VARYING_SLOT_BFC1
:
235 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
236 stvp
->output_semantic_index
[slot
] = 1;
238 case VARYING_SLOT_FOGC
:
239 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
240 stvp
->output_semantic_index
[slot
] = 0;
242 case VARYING_SLOT_PSIZ
:
243 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
244 stvp
->output_semantic_index
[slot
] = 0;
246 case VARYING_SLOT_CLIP_DIST0
:
247 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
248 stvp
->output_semantic_index
[slot
] = 0;
250 case VARYING_SLOT_CLIP_DIST1
:
251 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
252 stvp
->output_semantic_index
[slot
] = 1;
254 case VARYING_SLOT_EDGE
:
257 case VARYING_SLOT_CLIP_VERTEX
:
258 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
259 stvp
->output_semantic_index
[slot
] = 0;
261 case VARYING_SLOT_LAYER
:
262 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
263 stvp
->output_semantic_index
[slot
] = 0;
266 case VARYING_SLOT_TEX0
:
267 case VARYING_SLOT_TEX1
:
268 case VARYING_SLOT_TEX2
:
269 case VARYING_SLOT_TEX3
:
270 case VARYING_SLOT_TEX4
:
271 case VARYING_SLOT_TEX5
:
272 case VARYING_SLOT_TEX6
:
273 case VARYING_SLOT_TEX7
:
274 stvp
->output_semantic_name
[slot
] = st
->needs_texcoord_semantic
?
275 TGSI_SEMANTIC_TEXCOORD
: TGSI_SEMANTIC_GENERIC
;
276 stvp
->output_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
279 case VARYING_SLOT_VAR0
:
281 assert(attr
< VARYING_SLOT_MAX
);
282 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
283 stvp
->output_semantic_index
[slot
] = st
->needs_texcoord_semantic
?
284 (attr
- VARYING_SLOT_VAR0
) : (attr
- VARYING_SLOT_TEX0
);
289 /* similar hack to above, presetup potentially unused edgeflag output */
290 stvp
->result_to_output
[VARYING_SLOT_EDGE
] = stvp
->num_outputs
;
291 stvp
->output_semantic_name
[stvp
->num_outputs
] = TGSI_SEMANTIC_EDGEFLAG
;
292 stvp
->output_semantic_index
[stvp
->num_outputs
] = 0;
297 * Translate a vertex program to create a new variant.
299 static struct st_vp_variant
*
300 st_translate_vertex_program(struct st_context
*st
,
301 struct st_vertex_program
*stvp
,
302 const struct st_vp_variant_key
*key
)
304 struct st_vp_variant
*vpv
= CALLOC_STRUCT(st_vp_variant
);
305 struct pipe_context
*pipe
= st
->pipe
;
306 struct ureg_program
*ureg
;
307 enum pipe_error error
;
308 unsigned num_outputs
;
310 st_prepare_vertex_program(st
->ctx
, stvp
);
312 if (!stvp
->glsl_to_tgsi
)
314 _mesa_remove_output_reads(&stvp
->Base
.Base
, PROGRAM_OUTPUT
);
317 ureg
= ureg_create( TGSI_PROCESSOR_VERTEX
);
325 vpv
->num_inputs
= stvp
->num_inputs
;
326 num_outputs
= stvp
->num_outputs
;
327 if (key
->passthrough_edgeflags
) {
332 if (ST_DEBUG
& DEBUG_MESA
) {
333 _mesa_print_program(&stvp
->Base
.Base
);
334 _mesa_print_program_parameters(st
->ctx
, &stvp
->Base
.Base
);
338 if (stvp
->glsl_to_tgsi
)
339 error
= st_translate_program(st
->ctx
,
340 TGSI_PROCESSOR_VERTEX
,
346 stvp
->input_to_index
,
347 NULL
, /* input semantic name */
348 NULL
, /* input semantic index */
349 NULL
, /* interp mode */
350 NULL
, /* is centroid */
353 stvp
->result_to_output
,
354 stvp
->output_semantic_name
,
355 stvp
->output_semantic_index
,
356 key
->passthrough_edgeflags
,
359 error
= st_translate_mesa_program(st
->ctx
,
360 TGSI_PROCESSOR_VERTEX
,
365 stvp
->input_to_index
,
366 NULL
, /* input semantic name */
367 NULL
, /* input semantic index */
371 stvp
->result_to_output
,
372 stvp
->output_semantic_name
,
373 stvp
->output_semantic_index
,
374 key
->passthrough_edgeflags
,
380 vpv
->tgsi
.tokens
= ureg_get_tokens( ureg
, NULL
);
381 if (!vpv
->tgsi
.tokens
)
384 ureg_destroy( ureg
);
386 if (stvp
->glsl_to_tgsi
) {
387 st_translate_stream_output_info(stvp
->glsl_to_tgsi
,
388 stvp
->result_to_output
,
389 &vpv
->tgsi
.stream_output
);
392 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
394 if (ST_DEBUG
& DEBUG_TGSI
) {
395 tgsi_dump( vpv
->tgsi
.tokens
, 0 );
402 debug_printf("%s: failed to translate Mesa program:\n", __FUNCTION__
);
403 _mesa_print_program(&stvp
->Base
.Base
);
406 ureg_destroy( ureg
);
412 * Find/create a vertex program variant.
414 struct st_vp_variant
*
415 st_get_vp_variant(struct st_context
*st
,
416 struct st_vertex_program
*stvp
,
417 const struct st_vp_variant_key
*key
)
419 struct st_vp_variant
*vpv
;
421 /* Search for existing variant */
422 for (vpv
= stvp
->variants
; vpv
; vpv
= vpv
->next
) {
423 if (memcmp(&vpv
->key
, key
, sizeof(*key
)) == 0) {
430 vpv
= st_translate_vertex_program(st
, stvp
, key
);
432 /* insert into list */
433 vpv
->next
= stvp
->variants
;
434 stvp
->variants
= vpv
;
443 st_translate_interp(enum glsl_interp_qualifier glsl_qual
, bool is_color
)
446 case INTERP_QUALIFIER_NONE
:
448 return TGSI_INTERPOLATE_COLOR
;
449 return TGSI_INTERPOLATE_PERSPECTIVE
;
450 case INTERP_QUALIFIER_SMOOTH
:
451 return TGSI_INTERPOLATE_PERSPECTIVE
;
452 case INTERP_QUALIFIER_FLAT
:
453 return TGSI_INTERPOLATE_CONSTANT
;
454 case INTERP_QUALIFIER_NOPERSPECTIVE
:
455 return TGSI_INTERPOLATE_LINEAR
;
457 assert(0 && "unexpected interp mode in st_translate_interp()");
458 return TGSI_INTERPOLATE_PERSPECTIVE
;
464 * Translate a Mesa fragment shader into a TGSI shader using extra info in
466 * \return new fragment program variant
468 static struct st_fp_variant
*
469 st_translate_fragment_program(struct st_context
*st
,
470 struct st_fragment_program
*stfp
,
471 const struct st_fp_variant_key
*key
)
473 struct pipe_context
*pipe
= st
->pipe
;
474 struct st_fp_variant
*variant
= CALLOC_STRUCT(st_fp_variant
);
475 GLboolean deleteFP
= GL_FALSE
;
477 GLuint outputMapping
[FRAG_RESULT_MAX
];
478 GLuint inputMapping
[VARYING_SLOT_MAX
];
479 GLuint interpMode
[PIPE_MAX_SHADER_INPUTS
]; /* XXX size? */
481 GLbitfield64 inputsRead
;
482 struct ureg_program
*ureg
;
484 GLboolean write_all
= GL_FALSE
;
486 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
487 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
488 GLboolean is_centroid
[PIPE_MAX_SHADER_INPUTS
];
489 uint fs_num_inputs
= 0;
491 ubyte fs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
492 ubyte fs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
493 uint fs_num_outputs
= 0;
498 assert(!(key
->bitmap
&& key
->drawpixels
));
501 /* glBitmap drawing */
502 struct gl_fragment_program
*fp
; /* we free this temp program below */
504 st_make_bitmap_fragment_program(st
, &stfp
->Base
,
505 &fp
, &variant
->bitmap_sampler
);
507 variant
->parameters
= _mesa_clone_parameter_list(fp
->Base
.Parameters
);
508 stfp
= st_fragment_program(fp
);
511 else if (key
->drawpixels
) {
512 /* glDrawPixels drawing */
513 struct gl_fragment_program
*fp
; /* we free this temp program below */
515 if (key
->drawpixels_z
|| key
->drawpixels_stencil
) {
516 fp
= st_make_drawpix_z_stencil_program(st
, key
->drawpixels_z
,
517 key
->drawpixels_stencil
);
521 st_make_drawpix_fragment_program(st
, &stfp
->Base
, &fp
);
522 variant
->parameters
= _mesa_clone_parameter_list(fp
->Base
.Parameters
);
525 stfp
= st_fragment_program(fp
);
528 if (!stfp
->glsl_to_tgsi
)
529 _mesa_remove_output_reads(&stfp
->Base
.Base
, PROGRAM_OUTPUT
);
532 * Convert Mesa program inputs to TGSI input register semantics.
534 inputsRead
= stfp
->Base
.Base
.InputsRead
;
535 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
536 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
537 const GLuint slot
= fs_num_inputs
++;
539 inputMapping
[attr
] = slot
;
540 is_centroid
[slot
] = (stfp
->Base
.IsCentroid
& BITFIELD64_BIT(attr
)) != 0;
543 case VARYING_SLOT_POS
:
544 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
545 input_semantic_index
[slot
] = 0;
546 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
548 case VARYING_SLOT_COL0
:
549 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
550 input_semantic_index
[slot
] = 0;
551 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
554 case VARYING_SLOT_COL1
:
555 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
556 input_semantic_index
[slot
] = 1;
557 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
560 case VARYING_SLOT_FOGC
:
561 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
562 input_semantic_index
[slot
] = 0;
563 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
565 case VARYING_SLOT_FACE
:
566 input_semantic_name
[slot
] = TGSI_SEMANTIC_FACE
;
567 input_semantic_index
[slot
] = 0;
568 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
570 case VARYING_SLOT_PRIMITIVE_ID
:
571 input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
572 input_semantic_index
[slot
] = 0;
573 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
575 case VARYING_SLOT_CLIP_DIST0
:
576 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
577 input_semantic_index
[slot
] = 0;
578 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
580 case VARYING_SLOT_CLIP_DIST1
:
581 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
582 input_semantic_index
[slot
] = 1;
583 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
585 /* In most cases, there is nothing special about these
586 * inputs, so adopt a convention to use the generic
587 * semantic name and the mesa VARYING_SLOT_ number as the
590 * All that is required is that the vertex shader labels
591 * its own outputs similarly, and that the vertex shader
592 * generates at least every output required by the
593 * fragment shader plus fixed-function hardware (such as
596 * However, some drivers may need us to identify the PNTC and TEXi
597 * varyings if, for example, their capability to replace them with
598 * sprite coordinates is limited.
600 case VARYING_SLOT_PNTC
:
601 if (st
->needs_texcoord_semantic
) {
602 input_semantic_name
[slot
] = TGSI_SEMANTIC_PCOORD
;
603 input_semantic_index
[slot
] = 0;
604 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
608 case VARYING_SLOT_TEX0
:
609 case VARYING_SLOT_TEX1
:
610 case VARYING_SLOT_TEX2
:
611 case VARYING_SLOT_TEX3
:
612 case VARYING_SLOT_TEX4
:
613 case VARYING_SLOT_TEX5
:
614 case VARYING_SLOT_TEX6
:
615 case VARYING_SLOT_TEX7
:
616 if (st
->needs_texcoord_semantic
) {
617 input_semantic_name
[slot
] = TGSI_SEMANTIC_TEXCOORD
;
618 input_semantic_index
[slot
] = attr
- VARYING_SLOT_TEX0
;
620 st_translate_interp(stfp
->Base
.InterpQualifier
[attr
], FALSE
);
624 case VARYING_SLOT_VAR0
:
626 /* Semantic indices should be zero-based because drivers may choose
627 * to assign a fixed slot determined by that index.
628 * This is useful because ARB_separate_shader_objects uses location
629 * qualifiers for linkage, and if the semantic index corresponds to
630 * these locations, linkage passes in the driver become unecessary.
632 * If needs_texcoord_semantic is true, no semantic indices will be
633 * consumed for the TEXi varyings, and we can base the locations of
634 * the user varyings on VAR0. Otherwise, we use TEX0 as base index.
636 assert(attr
>= VARYING_SLOT_TEX0
);
637 input_semantic_index
[slot
] = st
->needs_texcoord_semantic
?
638 (attr
- VARYING_SLOT_VAR0
) : (attr
- VARYING_SLOT_TEX0
);
639 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
640 if (attr
== VARYING_SLOT_PNTC
)
641 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
643 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
649 inputMapping
[attr
] = -1;
654 * Semantics and mapping for outputs
658 GLbitfield64 outputsWritten
= stfp
->Base
.Base
.OutputsWritten
;
660 /* if z is written, emit that first */
661 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
662 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_POSITION
;
663 fs_output_semantic_index
[fs_num_outputs
] = 0;
664 outputMapping
[FRAG_RESULT_DEPTH
] = fs_num_outputs
;
666 outputsWritten
&= ~(1 << FRAG_RESULT_DEPTH
);
669 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_STENCIL
)) {
670 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_STENCIL
;
671 fs_output_semantic_index
[fs_num_outputs
] = 0;
672 outputMapping
[FRAG_RESULT_STENCIL
] = fs_num_outputs
;
674 outputsWritten
&= ~(1 << FRAG_RESULT_STENCIL
);
677 /* handle remaining outputs (color) */
678 for (attr
= 0; attr
< FRAG_RESULT_MAX
; attr
++) {
679 if (outputsWritten
& BITFIELD64_BIT(attr
)) {
681 case FRAG_RESULT_DEPTH
:
682 case FRAG_RESULT_STENCIL
:
686 case FRAG_RESULT_COLOR
:
687 write_all
= GL_TRUE
; /* fallthrough */
689 assert(attr
== FRAG_RESULT_COLOR
||
690 (FRAG_RESULT_DATA0
<= attr
&& attr
< FRAG_RESULT_MAX
));
691 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_COLOR
;
692 fs_output_semantic_index
[fs_num_outputs
] = numColors
;
693 outputMapping
[attr
] = fs_num_outputs
;
703 ureg
= ureg_create( TGSI_PROCESSOR_FRAGMENT
);
709 if (ST_DEBUG
& DEBUG_MESA
) {
710 _mesa_print_program(&stfp
->Base
.Base
);
711 _mesa_print_program_parameters(st
->ctx
, &stfp
->Base
.Base
);
714 if (write_all
== GL_TRUE
)
715 ureg_property_fs_color0_writes_all_cbufs(ureg
, 1);
717 if (stfp
->Base
.FragDepthLayout
!= FRAG_DEPTH_LAYOUT_NONE
) {
718 switch (stfp
->Base
.FragDepthLayout
) {
719 case FRAG_DEPTH_LAYOUT_ANY
:
720 ureg_property_fs_depth_layout(ureg
, TGSI_FS_DEPTH_LAYOUT_ANY
);
722 case FRAG_DEPTH_LAYOUT_GREATER
:
723 ureg_property_fs_depth_layout(ureg
, TGSI_FS_DEPTH_LAYOUT_GREATER
);
725 case FRAG_DEPTH_LAYOUT_LESS
:
726 ureg_property_fs_depth_layout(ureg
, TGSI_FS_DEPTH_LAYOUT_LESS
);
728 case FRAG_DEPTH_LAYOUT_UNCHANGED
:
729 ureg_property_fs_depth_layout(ureg
, TGSI_FS_DEPTH_LAYOUT_UNCHANGED
);
736 if (stfp
->glsl_to_tgsi
)
737 st_translate_program(st
->ctx
,
738 TGSI_PROCESSOR_FRAGMENT
,
746 input_semantic_index
,
752 fs_output_semantic_name
,
753 fs_output_semantic_index
, FALSE
,
756 st_translate_mesa_program(st
->ctx
,
757 TGSI_PROCESSOR_FRAGMENT
,
764 input_semantic_index
,
769 fs_output_semantic_name
,
770 fs_output_semantic_index
, FALSE
,
773 variant
->tgsi
.tokens
= ureg_get_tokens( ureg
, NULL
);
774 ureg_destroy( ureg
);
776 /* fill in variant */
777 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &variant
->tgsi
);
780 if (ST_DEBUG
& DEBUG_TGSI
) {
781 tgsi_dump( variant
->tgsi
.tokens
, 0/*TGSI_DUMP_VERBOSE*/ );
786 /* Free the temporary program made above */
787 struct gl_fragment_program
*fp
= &stfp
->Base
;
788 _mesa_reference_fragprog(st
->ctx
, &fp
, NULL
);
796 * Translate fragment program if needed.
798 struct st_fp_variant
*
799 st_get_fp_variant(struct st_context
*st
,
800 struct st_fragment_program
*stfp
,
801 const struct st_fp_variant_key
*key
)
803 struct st_fp_variant
*fpv
;
805 /* Search for existing variant */
806 for (fpv
= stfp
->variants
; fpv
; fpv
= fpv
->next
) {
807 if (memcmp(&fpv
->key
, key
, sizeof(*key
)) == 0) {
814 fpv
= st_translate_fragment_program(st
, stfp
, key
);
816 /* insert into list */
817 fpv
->next
= stfp
->variants
;
818 stfp
->variants
= fpv
;
827 * Translate a geometry program to create a new variant.
829 static struct st_gp_variant
*
830 st_translate_geometry_program(struct st_context
*st
,
831 struct st_geometry_program
*stgp
,
832 const struct st_gp_variant_key
*key
)
834 GLuint inputMapping
[VARYING_SLOT_MAX
];
835 GLuint outputMapping
[VARYING_SLOT_MAX
];
836 struct pipe_context
*pipe
= st
->pipe
;
838 GLbitfield64 inputsRead
;
841 uint gs_num_inputs
= 0;
842 uint gs_builtin_inputs
= 0;
843 uint gs_array_offset
= 0;
845 ubyte gs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
846 ubyte gs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
847 uint gs_num_outputs
= 0;
851 struct ureg_program
*ureg
;
853 struct st_gp_variant
*gpv
;
855 gpv
= CALLOC_STRUCT(st_gp_variant
);
859 if (!stgp
->glsl_to_tgsi
) {
860 _mesa_remove_output_reads(&stgp
->Base
.Base
, PROGRAM_OUTPUT
);
863 ureg
= ureg_create( TGSI_PROCESSOR_GEOMETRY
);
869 /* which vertex output goes to the first geometry input */
872 memset(inputMapping
, 0, sizeof(inputMapping
));
873 memset(outputMapping
, 0, sizeof(outputMapping
));
876 * Convert Mesa program inputs to TGSI input register semantics.
878 inputsRead
= stgp
->Base
.Base
.InputsRead
;
879 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
880 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
881 const GLuint slot
= gs_num_inputs
;
885 inputMapping
[attr
] = slot
;
887 stgp
->input_map
[slot
+ gs_array_offset
] = vslot
- gs_builtin_inputs
;
888 stgp
->input_to_index
[attr
] = vslot
;
889 stgp
->index_to_input
[vslot
] = attr
;
892 if (attr
!= VARYING_SLOT_PRIMITIVE_ID
) {
893 gs_array_offset
+= 2;
898 debug_printf("input map at %d = %d\n",
899 slot
+ gs_array_offset
, stgp
->input_map
[slot
+ gs_array_offset
]);
903 case VARYING_SLOT_PRIMITIVE_ID
:
904 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
905 stgp
->input_semantic_index
[slot
] = 0;
907 case VARYING_SLOT_POS
:
908 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
909 stgp
->input_semantic_index
[slot
] = 0;
911 case VARYING_SLOT_COL0
:
912 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
913 stgp
->input_semantic_index
[slot
] = 0;
915 case VARYING_SLOT_COL1
:
916 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
917 stgp
->input_semantic_index
[slot
] = 1;
919 case VARYING_SLOT_FOGC
:
920 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
921 stgp
->input_semantic_index
[slot
] = 0;
923 case VARYING_SLOT_CLIP_VERTEX
:
924 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
925 stgp
->input_semantic_index
[slot
] = 0;
927 case VARYING_SLOT_CLIP_DIST0
:
928 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
929 stgp
->input_semantic_index
[slot
] = 0;
931 case VARYING_SLOT_CLIP_DIST1
:
932 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
933 stgp
->input_semantic_index
[slot
] = 1;
935 case VARYING_SLOT_PSIZ
:
936 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
937 stgp
->input_semantic_index
[slot
] = 0;
939 case VARYING_SLOT_TEX0
:
940 case VARYING_SLOT_TEX1
:
941 case VARYING_SLOT_TEX2
:
942 case VARYING_SLOT_TEX3
:
943 case VARYING_SLOT_TEX4
:
944 case VARYING_SLOT_TEX5
:
945 case VARYING_SLOT_TEX6
:
946 case VARYING_SLOT_TEX7
:
947 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
948 stgp
->input_semantic_index
[slot
] = (attr
- VARYING_SLOT_TEX0
);
950 case VARYING_SLOT_VAR0
:
952 assert(attr
>= VARYING_SLOT_VAR0
&& attr
< VARYING_SLOT_MAX
);
953 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
954 stgp
->input_semantic_index
[slot
] = (VARYING_SLOT_VAR0
-
963 /* initialize output semantics to defaults */
964 for (i
= 0; i
< PIPE_MAX_SHADER_OUTPUTS
; i
++) {
965 gs_output_semantic_name
[i
] = TGSI_SEMANTIC_GENERIC
;
966 gs_output_semantic_index
[i
] = 0;
970 * Determine number of outputs, the (default) output register
971 * mapping and the semantic information for each output.
973 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
974 if (stgp
->Base
.Base
.OutputsWritten
& BITFIELD64_BIT(attr
)) {
977 slot
= gs_num_outputs
;
979 outputMapping
[attr
] = slot
;
982 case VARYING_SLOT_POS
:
984 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
985 gs_output_semantic_index
[slot
] = 0;
987 case VARYING_SLOT_COL0
:
988 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
989 gs_output_semantic_index
[slot
] = 0;
991 case VARYING_SLOT_COL1
:
992 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
993 gs_output_semantic_index
[slot
] = 1;
995 case VARYING_SLOT_BFC0
:
996 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
997 gs_output_semantic_index
[slot
] = 0;
999 case VARYING_SLOT_BFC1
:
1000 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
1001 gs_output_semantic_index
[slot
] = 1;
1003 case VARYING_SLOT_FOGC
:
1004 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
1005 gs_output_semantic_index
[slot
] = 0;
1007 case VARYING_SLOT_PSIZ
:
1008 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
1009 gs_output_semantic_index
[slot
] = 0;
1011 case VARYING_SLOT_CLIP_VERTEX
:
1012 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
1013 gs_output_semantic_index
[slot
] = 0;
1015 case VARYING_SLOT_CLIP_DIST0
:
1016 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1017 gs_output_semantic_index
[slot
] = 0;
1019 case VARYING_SLOT_CLIP_DIST1
:
1020 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
1021 gs_output_semantic_index
[slot
] = 1;
1023 case VARYING_SLOT_LAYER
:
1024 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_LAYER
;
1025 gs_output_semantic_index
[slot
] = 0;
1027 case VARYING_SLOT_PRIMITIVE_ID
:
1028 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
1029 gs_output_semantic_index
[slot
] = 0;
1031 case VARYING_SLOT_TEX0
:
1032 case VARYING_SLOT_TEX1
:
1033 case VARYING_SLOT_TEX2
:
1034 case VARYING_SLOT_TEX3
:
1035 case VARYING_SLOT_TEX4
:
1036 case VARYING_SLOT_TEX5
:
1037 case VARYING_SLOT_TEX6
:
1038 case VARYING_SLOT_TEX7
:
1039 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1040 gs_output_semantic_index
[slot
] = (attr
- VARYING_SLOT_TEX0
);
1042 case VARYING_SLOT_VAR0
:
1044 assert(slot
< Elements(gs_output_semantic_name
));
1045 assert(attr
>= VARYING_SLOT_VAR0
);
1046 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
1047 gs_output_semantic_index
[slot
] = (VARYING_SLOT_VAR0
-
1055 /* find max output slot referenced to compute gs_num_outputs */
1056 for (attr
= 0; attr
< VARYING_SLOT_MAX
; attr
++) {
1057 if (outputMapping
[attr
] != ~0 && outputMapping
[attr
] > maxSlot
)
1058 maxSlot
= outputMapping
[attr
];
1060 gs_num_outputs
= maxSlot
+ 1;
1065 printf("outputMapping? %d\n", outputMapping
? 1 : 0);
1066 if (outputMapping
) {
1067 printf("attr -> slot\n");
1068 for (i
= 0; i
< 16; i
++) {
1069 printf(" %2d %3d\n", i
, outputMapping
[i
]);
1072 printf("slot sem_name sem_index\n");
1073 for (i
= 0; i
< gs_num_outputs
; i
++) {
1074 printf(" %2d %d %d\n",
1076 gs_output_semantic_name
[i
],
1077 gs_output_semantic_index
[i
]);
1082 /* free old shader state, if any */
1083 if (stgp
->tgsi
.tokens
) {
1084 st_free_tokens(stgp
->tgsi
.tokens
);
1085 stgp
->tgsi
.tokens
= NULL
;
1088 ureg_property_gs_input_prim(ureg
, stgp
->Base
.InputType
);
1089 ureg_property_gs_output_prim(ureg
, stgp
->Base
.OutputType
);
1090 ureg_property_gs_max_vertices(ureg
, stgp
->Base
.VerticesOut
);
1092 if (stgp
->glsl_to_tgsi
)
1093 st_translate_program(st
->ctx
,
1094 TGSI_PROCESSOR_GEOMETRY
,
1101 stgp
->input_semantic_name
,
1102 stgp
->input_semantic_index
,
1108 gs_output_semantic_name
,
1109 gs_output_semantic_index
,
1113 st_translate_mesa_program(st
->ctx
,
1114 TGSI_PROCESSOR_GEOMETRY
,
1120 stgp
->input_semantic_name
,
1121 stgp
->input_semantic_index
,
1126 gs_output_semantic_name
,
1127 gs_output_semantic_index
,
1131 stgp
->num_inputs
= gs_num_inputs
;
1132 stgp
->tgsi
.tokens
= ureg_get_tokens( ureg
, NULL
);
1133 ureg_destroy( ureg
);
1135 if (stgp
->glsl_to_tgsi
) {
1136 st_translate_stream_output_info(stgp
->glsl_to_tgsi
,
1138 &stgp
->tgsi
.stream_output
);
1141 /* fill in new variant */
1142 gpv
->driver_shader
= pipe
->create_gs_state(pipe
, &stgp
->tgsi
);
1145 if ((ST_DEBUG
& DEBUG_TGSI
) && (ST_DEBUG
& DEBUG_MESA
)) {
1146 _mesa_print_program(&stgp
->Base
.Base
);
1150 if (ST_DEBUG
& DEBUG_TGSI
) {
1151 tgsi_dump(stgp
->tgsi
.tokens
, 0);
1160 * Get/create geometry program variant.
1162 struct st_gp_variant
*
1163 st_get_gp_variant(struct st_context
*st
,
1164 struct st_geometry_program
*stgp
,
1165 const struct st_gp_variant_key
*key
)
1167 struct st_gp_variant
*gpv
;
1169 /* Search for existing variant */
1170 for (gpv
= stgp
->variants
; gpv
; gpv
= gpv
->next
) {
1171 if (memcmp(&gpv
->key
, key
, sizeof(*key
)) == 0) {
1178 gpv
= st_translate_geometry_program(st
, stgp
, key
);
1180 /* insert into list */
1181 gpv
->next
= stgp
->variants
;
1182 stgp
->variants
= gpv
;
1193 * Debug- print current shader text
1196 st_print_shaders(struct gl_context
*ctx
)
1198 struct gl_shader_program
*shProg
[3] = {
1199 ctx
->Shader
.CurrentVertexProgram
,
1200 ctx
->Shader
.CurrentGeometryProgram
,
1201 ctx
->Shader
.CurrentFragmentProgram
,
1205 for (j
= 0; j
< 3; j
++) {
1208 if (shProg
[j
] == NULL
)
1211 for (i
= 0; i
< shProg
[j
]->NumShaders
; i
++) {
1212 struct gl_shader
*sh
;
1214 switch (shProg
[j
]->Shaders
[i
]->Type
) {
1215 case GL_VERTEX_SHADER
:
1216 sh
= (i
!= 0) ? NULL
: shProg
[j
]->Shaders
[i
];
1218 case GL_GEOMETRY_SHADER_ARB
:
1219 sh
= (i
!= 1) ? NULL
: shProg
[j
]->Shaders
[i
];
1221 case GL_FRAGMENT_SHADER
:
1222 sh
= (i
!= 2) ? NULL
: shProg
[j
]->Shaders
[i
];
1231 printf("GLSL shader %u of %u:\n", i
, shProg
[j
]->NumShaders
);
1232 printf("%s\n", sh
->Source
);
1240 * Vert/Geom/Frag programs have per-context variants. Free all the
1241 * variants attached to the given program which match the given context.
1244 destroy_program_variants(struct st_context
*st
, struct gl_program
*program
)
1246 if (!program
|| program
== &_mesa_DummyProgram
)
1249 switch (program
->Target
) {
1250 case GL_VERTEX_PROGRAM_ARB
:
1252 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) program
;
1253 struct st_vp_variant
*vpv
, **prevPtr
= &stvp
->variants
;
1255 for (vpv
= stvp
->variants
; vpv
; ) {
1256 struct st_vp_variant
*next
= vpv
->next
;
1257 if (vpv
->key
.st
== st
) {
1258 /* unlink from list */
1260 /* destroy this variant */
1261 delete_vp_variant(st
, vpv
);
1264 prevPtr
= &vpv
->next
;
1270 case GL_FRAGMENT_PROGRAM_ARB
:
1272 struct st_fragment_program
*stfp
=
1273 (struct st_fragment_program
*) program
;
1274 struct st_fp_variant
*fpv
, **prevPtr
= &stfp
->variants
;
1276 for (fpv
= stfp
->variants
; fpv
; ) {
1277 struct st_fp_variant
*next
= fpv
->next
;
1278 if (fpv
->key
.st
== st
) {
1279 /* unlink from list */
1281 /* destroy this variant */
1282 delete_fp_variant(st
, fpv
);
1285 prevPtr
= &fpv
->next
;
1291 case MESA_GEOMETRY_PROGRAM
:
1293 struct st_geometry_program
*stgp
=
1294 (struct st_geometry_program
*) program
;
1295 struct st_gp_variant
*gpv
, **prevPtr
= &stgp
->variants
;
1297 for (gpv
= stgp
->variants
; gpv
; ) {
1298 struct st_gp_variant
*next
= gpv
->next
;
1299 if (gpv
->key
.st
== st
) {
1300 /* unlink from list */
1302 /* destroy this variant */
1303 delete_gp_variant(st
, gpv
);
1306 prevPtr
= &gpv
->next
;
1313 _mesa_problem(NULL
, "Unexpected program target 0x%x in "
1314 "destroy_program_variants_cb()", program
->Target
);
1320 * Callback for _mesa_HashWalk. Free all the shader's program variants
1321 * which match the given context.
1324 destroy_shader_program_variants_cb(GLuint key
, void *data
, void *userData
)
1326 struct st_context
*st
= (struct st_context
*) userData
;
1327 struct gl_shader
*shader
= (struct gl_shader
*) data
;
1329 switch (shader
->Type
) {
1330 case GL_SHADER_PROGRAM_MESA
:
1332 struct gl_shader_program
*shProg
= (struct gl_shader_program
*) data
;
1335 for (i
= 0; i
< shProg
->NumShaders
; i
++) {
1336 destroy_program_variants(st
, shProg
->Shaders
[i
]->Program
);
1339 for (i
= 0; i
< Elements(shProg
->_LinkedShaders
); i
++) {
1340 if (shProg
->_LinkedShaders
[i
])
1341 destroy_program_variants(st
, shProg
->_LinkedShaders
[i
]->Program
);
1345 case GL_VERTEX_SHADER
:
1346 case GL_FRAGMENT_SHADER
:
1347 case GL_GEOMETRY_SHADER
:
1349 destroy_program_variants(st
, shader
->Program
);
1359 * Callback for _mesa_HashWalk. Free all the program variants which match
1360 * the given context.
1363 destroy_program_variants_cb(GLuint key
, void *data
, void *userData
)
1365 struct st_context
*st
= (struct st_context
*) userData
;
1366 struct gl_program
*program
= (struct gl_program
*) data
;
1367 destroy_program_variants(st
, program
);
1372 * Walk over all shaders and programs to delete any variants which
1373 * belong to the given context.
1374 * This is called during context tear-down.
1377 st_destroy_program_variants(struct st_context
*st
)
1379 /* ARB vert/frag program */
1380 _mesa_HashWalk(st
->ctx
->Shared
->Programs
,
1381 destroy_program_variants_cb
, st
);
1383 /* GLSL vert/frag/geom shaders */
1384 _mesa_HashWalk(st
->ctx
->Shared
->ShaderObjects
,
1385 destroy_shader_program_variants_cb
, st
);
1390 * For debugging, print/dump the current vertex program.
1393 st_print_current_vertex_program(void)
1395 GET_CURRENT_CONTEXT(ctx
);
1397 if (ctx
->VertexProgram
._Current
) {
1398 struct st_vertex_program
*stvp
=
1399 (struct st_vertex_program
*) ctx
->VertexProgram
._Current
;
1400 struct st_vp_variant
*stv
;
1402 debug_printf("Vertex program %u\n", stvp
->Base
.Base
.Id
);
1404 for (stv
= stvp
->variants
; stv
; stv
= stv
->next
) {
1405 debug_printf("variant %p\n", stv
);
1406 tgsi_dump(stv
->tgsi
.tokens
, 0);