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/mfeatures.h"
37 #include "main/mtypes.h"
38 #include "program/prog_parameter.h"
39 #include "program/prog_print.h"
40 #include "program/programopt.h"
42 #include "pipe/p_context.h"
43 #include "pipe/p_defines.h"
44 #include "pipe/p_shader_tokens.h"
45 #include "draw/draw_context.h"
46 #include "tgsi/tgsi_dump.h"
47 #include "tgsi/tgsi_ureg.h"
50 #include "st_cb_bitmap.h"
51 #include "st_cb_drawpixels.h"
52 #include "st_context.h"
53 #include "st_program.h"
54 #include "st_mesa_to_tgsi.h"
55 #include "cso_cache/cso_context.h"
60 * Delete a vertex program variant. Note the caller must unlink
61 * the variant from the linked list.
64 delete_vp_variant(struct st_context
*st
, struct st_vp_variant
*vpv
)
66 if (vpv
->driver_shader
)
67 cso_delete_vertex_shader(st
->cso_context
, vpv
->driver_shader
);
70 draw_delete_vertex_shader( st
->draw
, vpv
->draw_shader
);
73 st_free_tokens(vpv
->tgsi
.tokens
);
81 * Clean out any old compilations:
84 st_release_vp_variants( struct st_context
*st
,
85 struct st_vertex_program
*stvp
)
87 struct st_vp_variant
*vpv
;
89 for (vpv
= stvp
->variants
; vpv
; ) {
90 struct st_vp_variant
*next
= vpv
->next
;
91 delete_vp_variant(st
, vpv
);
95 stvp
->variants
= NULL
;
101 * Delete a fragment program variant. Note the caller must unlink
102 * the variant from the linked list.
105 delete_fp_variant(struct st_context
*st
, struct st_fp_variant
*fpv
)
107 if (fpv
->driver_shader
)
108 cso_delete_fragment_shader(st
->cso_context
, fpv
->driver_shader
);
110 _mesa_free_parameter_list(fpv
->parameters
);
111 if (fpv
->tgsi
.tokens
)
112 st_free_tokens(fpv
->tgsi
.tokens
);
118 * Free all variants of a fragment program.
121 st_release_fp_variants(struct st_context
*st
, struct st_fragment_program
*stfp
)
123 struct st_fp_variant
*fpv
;
125 for (fpv
= stfp
->variants
; fpv
; ) {
126 struct st_fp_variant
*next
= fpv
->next
;
127 delete_fp_variant(st
, fpv
);
131 stfp
->variants
= NULL
;
136 * Delete a geometry program variant. Note the caller must unlink
137 * the variant from the linked list.
140 delete_gp_variant(struct st_context
*st
, struct st_gp_variant
*gpv
)
142 if (gpv
->driver_shader
)
143 cso_delete_geometry_shader(st
->cso_context
, gpv
->driver_shader
);
150 * Free all variants of a geometry program.
153 st_release_gp_variants(struct st_context
*st
, struct st_geometry_program
*stgp
)
155 struct st_gp_variant
*gpv
;
157 for (gpv
= stgp
->variants
; gpv
; ) {
158 struct st_gp_variant
*next
= gpv
->next
;
159 delete_gp_variant(st
, gpv
);
163 stgp
->variants
= NULL
;
170 * Translate a Mesa vertex shader into a TGSI shader.
171 * \param outputMapping to map vertex program output registers (VERT_RESULT_x)
172 * to TGSI output slots
173 * \param tokensOut destination for TGSI tokens
174 * \return pointer to cached pipe_shader object.
177 st_prepare_vertex_program(struct gl_context
*ctx
,
178 struct st_vertex_program
*stvp
)
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
< VERT_RESULT_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 VERT_RESULT_HPOS
:
219 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
220 stvp
->output_semantic_index
[slot
] = 0;
222 case VERT_RESULT_COL0
:
223 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
224 stvp
->output_semantic_index
[slot
] = 0;
226 case VERT_RESULT_COL1
:
227 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
228 stvp
->output_semantic_index
[slot
] = 1;
230 case VERT_RESULT_BFC0
:
231 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
232 stvp
->output_semantic_index
[slot
] = 0;
234 case VERT_RESULT_BFC1
:
235 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
236 stvp
->output_semantic_index
[slot
] = 1;
238 case VERT_RESULT_FOGC
:
239 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
240 stvp
->output_semantic_index
[slot
] = 0;
242 case VERT_RESULT_PSIZ
:
243 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
244 stvp
->output_semantic_index
[slot
] = 0;
246 case VERT_RESULT_CLIP_DIST0
:
247 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
248 stvp
->output_semantic_index
[slot
] = 0;
250 case VERT_RESULT_CLIP_DIST1
:
251 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
252 stvp
->output_semantic_index
[slot
] = 1;
254 case VERT_RESULT_EDGE
:
257 case VERT_RESULT_CLIP_VERTEX
:
258 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPVERTEX
;
259 stvp
->output_semantic_index
[slot
] = 0;
262 case VERT_RESULT_TEX0
:
263 case VERT_RESULT_TEX1
:
264 case VERT_RESULT_TEX2
:
265 case VERT_RESULT_TEX3
:
266 case VERT_RESULT_TEX4
:
267 case VERT_RESULT_TEX5
:
268 case VERT_RESULT_TEX6
:
269 case VERT_RESULT_TEX7
:
270 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
271 stvp
->output_semantic_index
[slot
] = attr
- VERT_RESULT_TEX0
;
274 case VERT_RESULT_VAR0
:
276 assert(attr
< VERT_RESULT_MAX
);
277 stvp
->output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
278 stvp
->output_semantic_index
[slot
] = (FRAG_ATTRIB_VAR0
-
286 /* similar hack to above, presetup potentially unused edgeflag output */
287 stvp
->result_to_output
[VERT_RESULT_EDGE
] = stvp
->num_outputs
;
288 stvp
->output_semantic_name
[stvp
->num_outputs
] = TGSI_SEMANTIC_EDGEFLAG
;
289 stvp
->output_semantic_index
[stvp
->num_outputs
] = 0;
294 * Translate a vertex program to create a new variant.
296 static struct st_vp_variant
*
297 st_translate_vertex_program(struct st_context
*st
,
298 struct st_vertex_program
*stvp
,
299 const struct st_vp_variant_key
*key
)
301 struct st_vp_variant
*vpv
= CALLOC_STRUCT(st_vp_variant
);
302 struct pipe_context
*pipe
= st
->pipe
;
303 struct ureg_program
*ureg
;
304 enum pipe_error error
;
305 unsigned num_outputs
;
307 st_prepare_vertex_program(st
->ctx
, stvp
);
309 if (!stvp
->glsl_to_tgsi
)
311 _mesa_remove_output_reads(&stvp
->Base
.Base
, PROGRAM_OUTPUT
);
314 ureg
= ureg_create( TGSI_PROCESSOR_VERTEX
);
322 vpv
->num_inputs
= stvp
->num_inputs
;
323 num_outputs
= stvp
->num_outputs
;
324 if (key
->passthrough_edgeflags
) {
329 if (ST_DEBUG
& DEBUG_MESA
) {
330 _mesa_print_program(&stvp
->Base
.Base
);
331 _mesa_print_program_parameters(st
->ctx
, &stvp
->Base
.Base
);
335 if (stvp
->glsl_to_tgsi
)
336 error
= st_translate_program(st
->ctx
,
337 TGSI_PROCESSOR_VERTEX
,
343 stvp
->input_to_index
,
344 NULL
, /* input semantic name */
345 NULL
, /* input semantic index */
346 NULL
, /* interp mode */
347 NULL
, /* is centroid */
350 stvp
->result_to_output
,
351 stvp
->output_semantic_name
,
352 stvp
->output_semantic_index
,
353 key
->passthrough_edgeflags
,
356 error
= st_translate_mesa_program(st
->ctx
,
357 TGSI_PROCESSOR_VERTEX
,
362 stvp
->input_to_index
,
363 NULL
, /* input semantic name */
364 NULL
, /* input semantic index */
368 stvp
->result_to_output
,
369 stvp
->output_semantic_name
,
370 stvp
->output_semantic_index
,
371 key
->passthrough_edgeflags
,
377 vpv
->tgsi
.tokens
= ureg_get_tokens( ureg
, NULL
);
378 if (!vpv
->tgsi
.tokens
)
381 ureg_destroy( ureg
);
383 if (stvp
->glsl_to_tgsi
) {
384 st_translate_stream_output_info(stvp
->glsl_to_tgsi
,
385 stvp
->result_to_output
,
386 &vpv
->tgsi
.stream_output
);
389 vpv
->driver_shader
= pipe
->create_vs_state(pipe
, &vpv
->tgsi
);
391 if (ST_DEBUG
& DEBUG_TGSI
) {
392 tgsi_dump( vpv
->tgsi
.tokens
, 0 );
399 debug_printf("%s: failed to translate Mesa program:\n", __FUNCTION__
);
400 _mesa_print_program(&stvp
->Base
.Base
);
403 ureg_destroy( ureg
);
409 * Find/create a vertex program variant.
411 struct st_vp_variant
*
412 st_get_vp_variant(struct st_context
*st
,
413 struct st_vertex_program
*stvp
,
414 const struct st_vp_variant_key
*key
)
416 struct st_vp_variant
*vpv
;
418 /* Search for existing variant */
419 for (vpv
= stvp
->variants
; vpv
; vpv
= vpv
->next
) {
420 if (memcmp(&vpv
->key
, key
, sizeof(*key
)) == 0) {
427 vpv
= st_translate_vertex_program(st
, stvp
, key
);
429 /* insert into list */
430 vpv
->next
= stvp
->variants
;
431 stvp
->variants
= vpv
;
440 st_translate_interp(enum glsl_interp_qualifier glsl_qual
, bool is_color
)
443 case INTERP_QUALIFIER_NONE
:
445 return TGSI_INTERPOLATE_COLOR
;
446 return TGSI_INTERPOLATE_PERSPECTIVE
;
447 case INTERP_QUALIFIER_SMOOTH
:
448 return TGSI_INTERPOLATE_PERSPECTIVE
;
449 case INTERP_QUALIFIER_FLAT
:
450 return TGSI_INTERPOLATE_CONSTANT
;
451 case INTERP_QUALIFIER_NOPERSPECTIVE
:
452 return TGSI_INTERPOLATE_LINEAR
;
454 assert(0 && "unexpected interp mode in st_translate_interp()");
455 return TGSI_INTERPOLATE_PERSPECTIVE
;
461 * Translate a Mesa fragment shader into a TGSI shader using extra info in
463 * \return new fragment program variant
465 static struct st_fp_variant
*
466 st_translate_fragment_program(struct st_context
*st
,
467 struct st_fragment_program
*stfp
,
468 const struct st_fp_variant_key
*key
)
470 struct pipe_context
*pipe
= st
->pipe
;
471 struct st_fp_variant
*variant
= CALLOC_STRUCT(st_fp_variant
);
472 GLboolean deleteFP
= GL_FALSE
;
474 GLuint outputMapping
[FRAG_RESULT_MAX
];
475 GLuint inputMapping
[FRAG_ATTRIB_MAX
];
476 GLuint interpMode
[PIPE_MAX_SHADER_INPUTS
]; /* XXX size? */
478 GLbitfield64 inputsRead
;
479 struct ureg_program
*ureg
;
481 GLboolean write_all
= GL_FALSE
;
483 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
484 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
485 GLboolean is_centroid
[PIPE_MAX_SHADER_INPUTS
];
486 uint fs_num_inputs
= 0;
488 ubyte fs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
489 ubyte fs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
490 uint fs_num_outputs
= 0;
495 assert(!(key
->bitmap
&& key
->drawpixels
));
498 /* glBitmap drawing */
499 struct gl_fragment_program
*fp
; /* we free this temp program below */
501 st_make_bitmap_fragment_program(st
, &stfp
->Base
,
502 &fp
, &variant
->bitmap_sampler
);
504 variant
->parameters
= _mesa_clone_parameter_list(fp
->Base
.Parameters
);
505 stfp
= st_fragment_program(fp
);
508 else if (key
->drawpixels
) {
509 /* glDrawPixels drawing */
510 struct gl_fragment_program
*fp
; /* we free this temp program below */
512 if (key
->drawpixels_z
|| key
->drawpixels_stencil
) {
513 fp
= st_make_drawpix_z_stencil_program(st
, key
->drawpixels_z
,
514 key
->drawpixels_stencil
);
518 st_make_drawpix_fragment_program(st
, &stfp
->Base
, &fp
);
519 variant
->parameters
= _mesa_clone_parameter_list(fp
->Base
.Parameters
);
522 stfp
= st_fragment_program(fp
);
525 if (!stfp
->glsl_to_tgsi
)
526 _mesa_remove_output_reads(&stfp
->Base
.Base
, PROGRAM_OUTPUT
);
529 * Convert Mesa program inputs to TGSI input register semantics.
531 inputsRead
= stfp
->Base
.Base
.InputsRead
;
532 for (attr
= 0; attr
< FRAG_ATTRIB_MAX
; attr
++) {
533 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
534 const GLuint slot
= fs_num_inputs
++;
536 inputMapping
[attr
] = slot
;
537 is_centroid
[slot
] = (stfp
->Base
.IsCentroid
& BITFIELD64_BIT(attr
)) != 0;
540 case FRAG_ATTRIB_WPOS
:
541 input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
542 input_semantic_index
[slot
] = 0;
543 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
545 case FRAG_ATTRIB_COL0
:
546 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
547 input_semantic_index
[slot
] = 0;
548 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
551 case FRAG_ATTRIB_COL1
:
552 input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
553 input_semantic_index
[slot
] = 1;
554 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
557 case FRAG_ATTRIB_FOGC
:
558 input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
559 input_semantic_index
[slot
] = 0;
560 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
562 case FRAG_ATTRIB_FACE
:
563 input_semantic_name
[slot
] = TGSI_SEMANTIC_FACE
;
564 input_semantic_index
[slot
] = 0;
565 interpMode
[slot
] = TGSI_INTERPOLATE_CONSTANT
;
567 case FRAG_ATTRIB_CLIP_DIST0
:
568 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
569 input_semantic_index
[slot
] = 0;
570 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
572 case FRAG_ATTRIB_CLIP_DIST1
:
573 input_semantic_name
[slot
] = TGSI_SEMANTIC_CLIPDIST
;
574 input_semantic_index
[slot
] = 1;
575 interpMode
[slot
] = TGSI_INTERPOLATE_PERSPECTIVE
;
577 /* In most cases, there is nothing special about these
578 * inputs, so adopt a convention to use the generic
579 * semantic name and the mesa FRAG_ATTRIB_ number as the
582 * All that is required is that the vertex shader labels
583 * its own outputs similarly, and that the vertex shader
584 * generates at least every output required by the
585 * fragment shader plus fixed-function hardware (such as
588 * There is no requirement that semantic indexes start at
589 * zero or be restricted to a particular range -- nobody
590 * should be building tables based on semantic index.
592 case FRAG_ATTRIB_PNTC
:
593 case FRAG_ATTRIB_TEX0
:
594 case FRAG_ATTRIB_TEX1
:
595 case FRAG_ATTRIB_TEX2
:
596 case FRAG_ATTRIB_TEX3
:
597 case FRAG_ATTRIB_TEX4
:
598 case FRAG_ATTRIB_TEX5
:
599 case FRAG_ATTRIB_TEX6
:
600 case FRAG_ATTRIB_TEX7
:
601 case FRAG_ATTRIB_VAR0
:
603 /* Actually, let's try and zero-base this just for
604 * readability of the generated TGSI.
606 assert(attr
>= FRAG_ATTRIB_TEX0
);
607 input_semantic_index
[slot
] = (attr
- FRAG_ATTRIB_TEX0
);
608 input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
609 if (attr
== FRAG_ATTRIB_PNTC
)
610 interpMode
[slot
] = TGSI_INTERPOLATE_LINEAR
;
612 interpMode
[slot
] = st_translate_interp(stfp
->Base
.InterpQualifier
[attr
],
618 inputMapping
[attr
] = -1;
623 * Semantics and mapping for outputs
627 GLbitfield64 outputsWritten
= stfp
->Base
.Base
.OutputsWritten
;
629 /* if z is written, emit that first */
630 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_DEPTH
)) {
631 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_POSITION
;
632 fs_output_semantic_index
[fs_num_outputs
] = 0;
633 outputMapping
[FRAG_RESULT_DEPTH
] = fs_num_outputs
;
635 outputsWritten
&= ~(1 << FRAG_RESULT_DEPTH
);
638 if (outputsWritten
& BITFIELD64_BIT(FRAG_RESULT_STENCIL
)) {
639 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_STENCIL
;
640 fs_output_semantic_index
[fs_num_outputs
] = 0;
641 outputMapping
[FRAG_RESULT_STENCIL
] = fs_num_outputs
;
643 outputsWritten
&= ~(1 << FRAG_RESULT_STENCIL
);
646 /* handle remaining outputs (color) */
647 for (attr
= 0; attr
< FRAG_RESULT_MAX
; attr
++) {
648 if (outputsWritten
& BITFIELD64_BIT(attr
)) {
650 case FRAG_RESULT_DEPTH
:
651 case FRAG_RESULT_STENCIL
:
655 case FRAG_RESULT_COLOR
:
656 write_all
= GL_TRUE
; /* fallthrough */
658 assert(attr
== FRAG_RESULT_COLOR
||
659 (FRAG_RESULT_DATA0
<= attr
&& attr
< FRAG_RESULT_MAX
));
660 fs_output_semantic_name
[fs_num_outputs
] = TGSI_SEMANTIC_COLOR
;
661 fs_output_semantic_index
[fs_num_outputs
] = numColors
;
662 outputMapping
[attr
] = fs_num_outputs
;
672 ureg
= ureg_create( TGSI_PROCESSOR_FRAGMENT
);
678 if (ST_DEBUG
& DEBUG_MESA
) {
679 _mesa_print_program(&stfp
->Base
.Base
);
680 _mesa_print_program_parameters(st
->ctx
, &stfp
->Base
.Base
);
683 if (write_all
== GL_TRUE
)
684 ureg_property_fs_color0_writes_all_cbufs(ureg
, 1);
686 if (stfp
->Base
.FragDepthLayout
!= FRAG_DEPTH_LAYOUT_NONE
) {
687 switch (stfp
->Base
.FragDepthLayout
) {
688 case FRAG_DEPTH_LAYOUT_ANY
:
689 ureg_property_fs_depth_layout(ureg
, TGSI_FS_DEPTH_LAYOUT_ANY
);
691 case FRAG_DEPTH_LAYOUT_GREATER
:
692 ureg_property_fs_depth_layout(ureg
, TGSI_FS_DEPTH_LAYOUT_GREATER
);
694 case FRAG_DEPTH_LAYOUT_LESS
:
695 ureg_property_fs_depth_layout(ureg
, TGSI_FS_DEPTH_LAYOUT_LESS
);
697 case FRAG_DEPTH_LAYOUT_UNCHANGED
:
698 ureg_property_fs_depth_layout(ureg
, TGSI_FS_DEPTH_LAYOUT_UNCHANGED
);
705 if (stfp
->glsl_to_tgsi
)
706 st_translate_program(st
->ctx
,
707 TGSI_PROCESSOR_FRAGMENT
,
715 input_semantic_index
,
721 fs_output_semantic_name
,
722 fs_output_semantic_index
, FALSE
,
725 st_translate_mesa_program(st
->ctx
,
726 TGSI_PROCESSOR_FRAGMENT
,
733 input_semantic_index
,
738 fs_output_semantic_name
,
739 fs_output_semantic_index
, FALSE
,
742 variant
->tgsi
.tokens
= ureg_get_tokens( ureg
, NULL
);
743 ureg_destroy( ureg
);
745 /* fill in variant */
746 variant
->driver_shader
= pipe
->create_fs_state(pipe
, &variant
->tgsi
);
749 if (ST_DEBUG
& DEBUG_TGSI
) {
750 tgsi_dump( variant
->tgsi
.tokens
, 0/*TGSI_DUMP_VERBOSE*/ );
755 /* Free the temporary program made above */
756 struct gl_fragment_program
*fp
= &stfp
->Base
;
757 _mesa_reference_fragprog(st
->ctx
, &fp
, NULL
);
765 * Translate fragment program if needed.
767 struct st_fp_variant
*
768 st_get_fp_variant(struct st_context
*st
,
769 struct st_fragment_program
*stfp
,
770 const struct st_fp_variant_key
*key
)
772 struct st_fp_variant
*fpv
;
774 /* Search for existing variant */
775 for (fpv
= stfp
->variants
; fpv
; fpv
= fpv
->next
) {
776 if (memcmp(&fpv
->key
, key
, sizeof(*key
)) == 0) {
783 fpv
= st_translate_fragment_program(st
, stfp
, key
);
785 /* insert into list */
786 fpv
->next
= stfp
->variants
;
787 stfp
->variants
= fpv
;
796 * Translate a geometry program to create a new variant.
798 static struct st_gp_variant
*
799 st_translate_geometry_program(struct st_context
*st
,
800 struct st_geometry_program
*stgp
,
801 const struct st_gp_variant_key
*key
)
803 GLuint inputMapping
[GEOM_ATTRIB_MAX
];
804 GLuint outputMapping
[GEOM_RESULT_MAX
];
805 struct pipe_context
*pipe
= st
->pipe
;
807 GLbitfield64 inputsRead
;
809 GLuint num_generic
= 0;
811 uint gs_num_inputs
= 0;
812 uint gs_builtin_inputs
= 0;
813 uint gs_array_offset
= 0;
815 ubyte gs_output_semantic_name
[PIPE_MAX_SHADER_OUTPUTS
];
816 ubyte gs_output_semantic_index
[PIPE_MAX_SHADER_OUTPUTS
];
817 uint gs_num_outputs
= 0;
821 struct ureg_program
*ureg
;
823 struct st_gp_variant
*gpv
;
825 gpv
= CALLOC_STRUCT(st_gp_variant
);
829 _mesa_remove_output_reads(&stgp
->Base
.Base
, PROGRAM_OUTPUT
);
831 ureg
= ureg_create( TGSI_PROCESSOR_GEOMETRY
);
837 /* which vertex output goes to the first geometry input */
840 memset(inputMapping
, 0, sizeof(inputMapping
));
841 memset(outputMapping
, 0, sizeof(outputMapping
));
844 * Convert Mesa program inputs to TGSI input register semantics.
846 inputsRead
= stgp
->Base
.Base
.InputsRead
;
847 for (attr
= 0; attr
< GEOM_ATTRIB_MAX
; attr
++) {
848 if ((inputsRead
& BITFIELD64_BIT(attr
)) != 0) {
849 const GLuint slot
= gs_num_inputs
;
853 inputMapping
[attr
] = slot
;
855 stgp
->input_map
[slot
+ gs_array_offset
] = vslot
- gs_builtin_inputs
;
856 stgp
->input_to_index
[attr
] = vslot
;
857 stgp
->index_to_input
[vslot
] = attr
;
860 if (attr
!= GEOM_ATTRIB_PRIMITIVE_ID
) {
861 gs_array_offset
+= 2;
866 debug_printf("input map at %d = %d\n",
867 slot
+ gs_array_offset
, stgp
->input_map
[slot
+ gs_array_offset
]);
871 case GEOM_ATTRIB_PRIMITIVE_ID
:
872 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_PRIMID
;
873 stgp
->input_semantic_index
[slot
] = 0;
875 case GEOM_ATTRIB_POSITION
:
876 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
877 stgp
->input_semantic_index
[slot
] = 0;
879 case GEOM_ATTRIB_COLOR0
:
880 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
881 stgp
->input_semantic_index
[slot
] = 0;
883 case GEOM_ATTRIB_COLOR1
:
884 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
885 stgp
->input_semantic_index
[slot
] = 1;
887 case GEOM_ATTRIB_FOG_FRAG_COORD
:
888 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
889 stgp
->input_semantic_index
[slot
] = 0;
891 case GEOM_ATTRIB_TEX_COORD
:
892 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
893 stgp
->input_semantic_index
[slot
] = num_generic
++;
895 case GEOM_ATTRIB_VAR0
:
898 stgp
->input_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
899 stgp
->input_semantic_index
[slot
] = num_generic
++;
904 /* initialize output semantics to defaults */
905 for (i
= 0; i
< PIPE_MAX_SHADER_OUTPUTS
; i
++) {
906 gs_output_semantic_name
[i
] = TGSI_SEMANTIC_GENERIC
;
907 gs_output_semantic_index
[i
] = 0;
912 * Determine number of outputs, the (default) output register
913 * mapping and the semantic information for each output.
915 for (attr
= 0; attr
< GEOM_RESULT_MAX
; attr
++) {
916 if (stgp
->Base
.Base
.OutputsWritten
& BITFIELD64_BIT(attr
)) {
919 slot
= gs_num_outputs
;
921 outputMapping
[attr
] = slot
;
924 case GEOM_RESULT_POS
:
926 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_POSITION
;
927 gs_output_semantic_index
[slot
] = 0;
929 case GEOM_RESULT_COL0
:
930 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
931 gs_output_semantic_index
[slot
] = 0;
933 case GEOM_RESULT_COL1
:
934 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_COLOR
;
935 gs_output_semantic_index
[slot
] = 1;
937 case GEOM_RESULT_SCOL0
:
938 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
939 gs_output_semantic_index
[slot
] = 0;
941 case GEOM_RESULT_SCOL1
:
942 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_BCOLOR
;
943 gs_output_semantic_index
[slot
] = 1;
945 case GEOM_RESULT_FOGC
:
946 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_FOG
;
947 gs_output_semantic_index
[slot
] = 0;
949 case GEOM_RESULT_PSIZ
:
950 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_PSIZE
;
951 gs_output_semantic_index
[slot
] = 0;
953 case GEOM_RESULT_TEX0
:
954 case GEOM_RESULT_TEX1
:
955 case GEOM_RESULT_TEX2
:
956 case GEOM_RESULT_TEX3
:
957 case GEOM_RESULT_TEX4
:
958 case GEOM_RESULT_TEX5
:
959 case GEOM_RESULT_TEX6
:
960 case GEOM_RESULT_TEX7
:
962 case GEOM_RESULT_VAR0
:
965 assert(slot
< Elements(gs_output_semantic_name
));
966 /* use default semantic info */
967 gs_output_semantic_name
[slot
] = TGSI_SEMANTIC_GENERIC
;
968 gs_output_semantic_index
[slot
] = num_generic
++;
973 assert(gs_output_semantic_name
[0] == TGSI_SEMANTIC_POSITION
);
975 /* find max output slot referenced to compute gs_num_outputs */
976 for (attr
= 0; attr
< GEOM_RESULT_MAX
; attr
++) {
977 if (outputMapping
[attr
] != ~0 && outputMapping
[attr
] > maxSlot
)
978 maxSlot
= outputMapping
[attr
];
980 gs_num_outputs
= maxSlot
+ 1;
985 printf("outputMapping? %d\n", outputMapping
? 1 : 0);
987 printf("attr -> slot\n");
988 for (i
= 0; i
< 16; i
++) {
989 printf(" %2d %3d\n", i
, outputMapping
[i
]);
992 printf("slot sem_name sem_index\n");
993 for (i
= 0; i
< gs_num_outputs
; i
++) {
994 printf(" %2d %d %d\n",
996 gs_output_semantic_name
[i
],
997 gs_output_semantic_index
[i
]);
1002 /* free old shader state, if any */
1003 if (stgp
->tgsi
.tokens
) {
1004 st_free_tokens(stgp
->tgsi
.tokens
);
1005 stgp
->tgsi
.tokens
= NULL
;
1008 ureg_property_gs_input_prim(ureg
, stgp
->Base
.InputType
);
1009 ureg_property_gs_output_prim(ureg
, stgp
->Base
.OutputType
);
1010 ureg_property_gs_max_vertices(ureg
, stgp
->Base
.VerticesOut
);
1012 st_translate_mesa_program(st
->ctx
,
1013 TGSI_PROCESSOR_GEOMETRY
,
1019 stgp
->input_semantic_name
,
1020 stgp
->input_semantic_index
,
1025 gs_output_semantic_name
,
1026 gs_output_semantic_index
,
1030 stgp
->num_inputs
= gs_num_inputs
;
1031 stgp
->tgsi
.tokens
= ureg_get_tokens( ureg
, NULL
);
1032 ureg_destroy( ureg
);
1034 if (stgp
->glsl_to_tgsi
) {
1035 st_translate_stream_output_info(stgp
->glsl_to_tgsi
,
1037 &stgp
->tgsi
.stream_output
);
1040 /* fill in new variant */
1041 gpv
->driver_shader
= pipe
->create_gs_state(pipe
, &stgp
->tgsi
);
1044 if ((ST_DEBUG
& DEBUG_TGSI
) && (ST_DEBUG
& DEBUG_MESA
)) {
1045 _mesa_print_program(&stgp
->Base
.Base
);
1049 if (ST_DEBUG
& DEBUG_TGSI
) {
1050 tgsi_dump(stgp
->tgsi
.tokens
, 0);
1059 * Get/create geometry program variant.
1061 struct st_gp_variant
*
1062 st_get_gp_variant(struct st_context
*st
,
1063 struct st_geometry_program
*stgp
,
1064 const struct st_gp_variant_key
*key
)
1066 struct st_gp_variant
*gpv
;
1068 /* Search for existing variant */
1069 for (gpv
= stgp
->variants
; gpv
; gpv
= gpv
->next
) {
1070 if (memcmp(&gpv
->key
, key
, sizeof(*key
)) == 0) {
1077 gpv
= st_translate_geometry_program(st
, stgp
, key
);
1079 /* insert into list */
1080 gpv
->next
= stgp
->variants
;
1081 stgp
->variants
= gpv
;
1092 * Debug- print current shader text
1095 st_print_shaders(struct gl_context
*ctx
)
1097 struct gl_shader_program
*shProg
[3] = {
1098 ctx
->Shader
.CurrentVertexProgram
,
1099 ctx
->Shader
.CurrentGeometryProgram
,
1100 ctx
->Shader
.CurrentFragmentProgram
,
1104 for (j
= 0; j
< 3; j
++) {
1107 if (shProg
[j
] == NULL
)
1110 for (i
= 0; i
< shProg
[j
]->NumShaders
; i
++) {
1111 struct gl_shader
*sh
;
1113 switch (shProg
[j
]->Shaders
[i
]->Type
) {
1114 case GL_VERTEX_SHADER
:
1115 sh
= (i
!= 0) ? NULL
: shProg
[j
]->Shaders
[i
];
1117 case GL_GEOMETRY_SHADER_ARB
:
1118 sh
= (i
!= 1) ? NULL
: shProg
[j
]->Shaders
[i
];
1120 case GL_FRAGMENT_SHADER
:
1121 sh
= (i
!= 2) ? NULL
: shProg
[j
]->Shaders
[i
];
1130 printf("GLSL shader %u of %u:\n", i
, shProg
[j
]->NumShaders
);
1131 printf("%s\n", sh
->Source
);
1139 * Vert/Geom/Frag programs have per-context variants. Free all the
1140 * variants attached to the given program which match the given context.
1143 destroy_program_variants(struct st_context
*st
, struct gl_program
*program
)
1148 switch (program
->Target
) {
1149 case GL_VERTEX_PROGRAM_ARB
:
1151 struct st_vertex_program
*stvp
= (struct st_vertex_program
*) program
;
1152 struct st_vp_variant
*vpv
, **prevPtr
= &stvp
->variants
;
1154 for (vpv
= stvp
->variants
; vpv
; ) {
1155 struct st_vp_variant
*next
= vpv
->next
;
1156 if (vpv
->key
.st
== st
) {
1157 /* unlink from list */
1159 /* destroy this variant */
1160 delete_vp_variant(st
, vpv
);
1163 prevPtr
= &vpv
->next
;
1169 case GL_FRAGMENT_PROGRAM_ARB
:
1171 struct st_fragment_program
*stfp
=
1172 (struct st_fragment_program
*) program
;
1173 struct st_fp_variant
*fpv
, **prevPtr
= &stfp
->variants
;
1175 for (fpv
= stfp
->variants
; fpv
; ) {
1176 struct st_fp_variant
*next
= fpv
->next
;
1177 if (fpv
->key
.st
== st
) {
1178 /* unlink from list */
1180 /* destroy this variant */
1181 delete_fp_variant(st
, fpv
);
1184 prevPtr
= &fpv
->next
;
1190 case MESA_GEOMETRY_PROGRAM
:
1192 struct st_geometry_program
*stgp
=
1193 (struct st_geometry_program
*) program
;
1194 struct st_gp_variant
*gpv
, **prevPtr
= &stgp
->variants
;
1196 for (gpv
= stgp
->variants
; gpv
; ) {
1197 struct st_gp_variant
*next
= gpv
->next
;
1198 if (gpv
->key
.st
== st
) {
1199 /* unlink from list */
1201 /* destroy this variant */
1202 delete_gp_variant(st
, gpv
);
1205 prevPtr
= &gpv
->next
;
1212 _mesa_problem(NULL
, "Unexpected program target 0x%x in "
1213 "destroy_program_variants_cb()", program
->Target
);
1219 * Callback for _mesa_HashWalk. Free all the shader's program variants
1220 * which match the given context.
1223 destroy_shader_program_variants_cb(GLuint key
, void *data
, void *userData
)
1225 struct st_context
*st
= (struct st_context
*) userData
;
1226 struct gl_shader
*shader
= (struct gl_shader
*) data
;
1228 switch (shader
->Type
) {
1229 case GL_SHADER_PROGRAM_MESA
:
1231 struct gl_shader_program
*shProg
= (struct gl_shader_program
*) data
;
1234 for (i
= 0; i
< shProg
->NumShaders
; i
++) {
1235 destroy_program_variants(st
, shProg
->Shaders
[i
]->Program
);
1238 for (i
= 0; i
< Elements(shProg
->_LinkedShaders
); i
++) {
1239 if (shProg
->_LinkedShaders
[i
])
1240 destroy_program_variants(st
, shProg
->_LinkedShaders
[i
]->Program
);
1244 case GL_VERTEX_SHADER
:
1245 case GL_FRAGMENT_SHADER
:
1246 case GL_GEOMETRY_SHADER
:
1248 destroy_program_variants(st
, shader
->Program
);
1258 * Callback for _mesa_HashWalk. Free all the program variants which match
1259 * the given context.
1262 destroy_program_variants_cb(GLuint key
, void *data
, void *userData
)
1264 struct st_context
*st
= (struct st_context
*) userData
;
1265 struct gl_program
*program
= (struct gl_program
*) data
;
1266 destroy_program_variants(st
, program
);
1271 * Walk over all shaders and programs to delete any variants which
1272 * belong to the given context.
1273 * This is called during context tear-down.
1276 st_destroy_program_variants(struct st_context
*st
)
1278 /* ARB vert/frag program */
1279 _mesa_HashWalk(st
->ctx
->Shared
->Programs
,
1280 destroy_program_variants_cb
, st
);
1282 /* GLSL vert/frag/geom shaders */
1283 _mesa_HashWalk(st
->ctx
->Shared
->ShaderObjects
,
1284 destroy_shader_program_variants_cb
, st
);
1289 * For debugging, print/dump the current vertex program.
1292 st_print_current_vertex_program(void)
1294 GET_CURRENT_CONTEXT(ctx
);
1296 if (ctx
->VertexProgram
._Current
) {
1297 struct st_vertex_program
*stvp
=
1298 (struct st_vertex_program
*) ctx
->VertexProgram
._Current
;
1299 struct st_vp_variant
*stv
;
1301 debug_printf("Vertex program %u\n", stvp
->Base
.Base
.Id
);
1303 for (stv
= stvp
->variants
; stv
; stv
= stv
->next
) {
1304 debug_printf("variant %p\n", stv
);
1305 tgsi_dump(stv
->tgsi
.tokens
, 0);