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 **************************************************************************/
31 * Wrap the cso cache & hash mechanisms in a simplified
32 * pipe-driver-specific interface.
34 * @author Zack Rusin <zack@tungstengraphics.com>
35 * @author Keith Whitwell <keith@tungstengraphics.com>
38 #include "pipe/p_state.h"
39 #include "util/u_memory.h"
40 #include "tgsi/tgsi_parse.h"
42 #include "cso_cache/cso_context.h"
43 #include "cso_cache/cso_cache.h"
44 #include "cso_cache/cso_hash.h"
45 #include "cso_context.h"
48 struct pipe_context
*pipe
;
49 struct cso_cache
*cache
;
52 void *samplers
[PIPE_MAX_SAMPLERS
];
55 void *vertex_samplers
[PIPE_MAX_VERTEX_SAMPLERS
];
56 unsigned nr_vertex_samplers
;
59 void *samplers
[PIPE_MAX_SAMPLERS
];
62 void *vertex_samplers
[PIPE_MAX_VERTEX_SAMPLERS
];
63 unsigned nr_vertex_samplers
;
65 unsigned nr_samplers_saved
;
66 void *samplers_saved
[PIPE_MAX_SAMPLERS
];
68 unsigned nr_vertex_samplers_saved
;
69 void *vertex_samplers_saved
[PIPE_MAX_VERTEX_SAMPLERS
];
71 struct pipe_texture
*textures
[PIPE_MAX_SAMPLERS
];
74 struct pipe_texture
*vertex_textures
[PIPE_MAX_VERTEX_SAMPLERS
];
75 uint nr_vertex_textures
;
77 uint nr_textures_saved
;
78 struct pipe_texture
*textures_saved
[PIPE_MAX_SAMPLERS
];
80 uint nr_vertex_textures_saved
;
81 struct pipe_texture
*vertex_textures_saved
[PIPE_MAX_SAMPLERS
];
83 /** Current and saved state.
84 * The saved state is used as a 1-deep stack.
86 void *blend
, *blend_saved
;
87 void *depth_stencil
, *depth_stencil_saved
;
88 void *rasterizer
, *rasterizer_saved
;
89 void *fragment_shader
, *fragment_shader_saved
, *geometry_shader
;
90 void *vertex_shader
, *vertex_shader_saved
, *geometry_shader_saved
;
92 struct pipe_framebuffer_state fb
, fb_saved
;
93 struct pipe_viewport_state vp
, vp_saved
;
94 struct pipe_blend_color blend_color
;
99 free_framebuffer_state(struct pipe_framebuffer_state
*fb
);
102 static boolean
delete_blend_state(struct cso_context
*ctx
, void *state
)
104 struct cso_blend
*cso
= (struct cso_blend
*)state
;
106 if (ctx
->blend
== cso
->data
)
109 if (cso
->delete_state
)
110 cso
->delete_state(cso
->context
, cso
->data
);
115 static boolean
delete_depth_stencil_state(struct cso_context
*ctx
, void *state
)
117 struct cso_depth_stencil_alpha
*cso
= (struct cso_depth_stencil_alpha
*)state
;
119 if (ctx
->depth_stencil
== cso
->data
)
122 if (cso
->delete_state
)
123 cso
->delete_state(cso
->context
, cso
->data
);
129 static boolean
delete_sampler_state(struct cso_context
*ctx
, void *state
)
131 struct cso_sampler
*cso
= (struct cso_sampler
*)state
;
132 if (cso
->delete_state
)
133 cso
->delete_state(cso
->context
, cso
->data
);
138 static boolean
delete_rasterizer_state(struct cso_context
*ctx
, void *state
)
140 struct cso_rasterizer
*cso
= (struct cso_rasterizer
*)state
;
142 if (ctx
->rasterizer
== cso
->data
)
144 if (cso
->delete_state
)
145 cso
->delete_state(cso
->context
, cso
->data
);
150 static boolean
delete_fs_state(struct cso_context
*ctx
, void *state
)
152 struct cso_fragment_shader
*cso
= (struct cso_fragment_shader
*)state
;
153 if (ctx
->fragment_shader
== cso
->data
)
155 if (cso
->delete_state
)
156 cso
->delete_state(cso
->context
, cso
->data
);
161 static boolean
delete_vs_state(struct cso_context
*ctx
, void *state
)
163 struct cso_vertex_shader
*cso
= (struct cso_vertex_shader
*)state
;
164 if (ctx
->vertex_shader
== cso
->data
)
166 if (cso
->delete_state
)
167 cso
->delete_state(cso
->context
, cso
->data
);
173 static INLINE boolean
delete_cso(struct cso_context
*ctx
,
174 void *state
, enum cso_cache_type type
)
178 return delete_blend_state(ctx
, state
);
181 return delete_sampler_state(ctx
, state
);
183 case CSO_DEPTH_STENCIL_ALPHA
:
184 return delete_depth_stencil_state(ctx
, state
);
187 return delete_rasterizer_state(ctx
, state
);
189 case CSO_FRAGMENT_SHADER
:
190 return delete_fs_state(ctx
, state
);
192 case CSO_VERTEX_SHADER
:
193 return delete_vs_state(ctx
, state
);
202 static INLINE
void sanitize_hash(struct cso_hash
*hash
, enum cso_cache_type type
,
203 int max_size
, void *user_data
)
205 struct cso_context
*ctx
= (struct cso_context
*)user_data
;
206 /* if we're approach the maximum size, remove fourth of the entries
207 * otherwise every subsequent call will go through the same */
208 int hash_size
= cso_hash_size(hash
);
209 int max_entries
= (max_size
> hash_size
) ? max_size
: hash_size
;
210 int to_remove
= (max_size
< max_entries
) * max_entries
/4;
211 struct cso_hash_iter iter
= cso_hash_first_node(hash
);
212 if (hash_size
> max_size
)
213 to_remove
+= hash_size
- max_size
;
215 /*remove elements until we're good */
216 /*fixme: currently we pick the nodes to remove at random*/
217 void *cso
= cso_hash_iter_data(iter
);
218 if (delete_cso(ctx
, cso
, type
)) {
219 iter
= cso_hash_erase(hash
, iter
);
222 iter
= cso_hash_iter_next(iter
);
227 struct cso_context
*cso_create_context( struct pipe_context
*pipe
)
229 struct cso_context
*ctx
= CALLOC_STRUCT(cso_context
);
233 ctx
->cache
= cso_cache_create();
234 if (ctx
->cache
== NULL
)
236 cso_cache_set_sanitize_callback(ctx
->cache
,
242 /* Enable for testing: */
243 if (0) cso_set_maximum_cache_size( ctx
->cache
, 4 );
248 cso_destroy_context( ctx
);
254 * Prior to context destruction, this function unbinds all state objects.
256 void cso_release_all( struct cso_context
*ctx
)
261 ctx
->pipe
->bind_blend_state( ctx
->pipe
, NULL
);
262 ctx
->pipe
->bind_rasterizer_state( ctx
->pipe
, NULL
);
263 ctx
->pipe
->bind_fragment_sampler_states( ctx
->pipe
, 0, NULL
);
264 if (ctx
->pipe
->bind_vertex_sampler_states
)
265 ctx
->pipe
->bind_vertex_sampler_states(ctx
->pipe
, 0, NULL
);
266 ctx
->pipe
->bind_depth_stencil_alpha_state( ctx
->pipe
, NULL
);
267 ctx
->pipe
->bind_fs_state( ctx
->pipe
, NULL
);
268 ctx
->pipe
->bind_vs_state( ctx
->pipe
, NULL
);
271 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
272 pipe_texture_reference(&ctx
->textures
[i
], NULL
);
273 pipe_texture_reference(&ctx
->textures_saved
[i
], NULL
);
276 for (i
= 0; i
< PIPE_MAX_VERTEX_SAMPLERS
; i
++) {
277 pipe_texture_reference(&ctx
->vertex_textures
[i
], NULL
);
278 pipe_texture_reference(&ctx
->vertex_textures_saved
[i
], NULL
);
281 free_framebuffer_state(&ctx
->fb
);
282 free_framebuffer_state(&ctx
->fb_saved
);
285 cso_cache_delete( ctx
->cache
);
291 void cso_destroy_context( struct cso_context
*ctx
)
294 /*cso_release_all( ctx );*/
300 /* Those function will either find the state of the given template
301 * in the cache or they will create a new state from the given
302 * template, insert it in the cache and return it.
306 * If the driver returns 0 from the create method then they will assign
307 * the data member of the cso to be the template itself.
310 enum pipe_error
cso_set_blend(struct cso_context
*ctx
,
311 const struct pipe_blend_state
*templ
)
313 unsigned key_size
, hash_key
;
314 struct cso_hash_iter iter
;
317 key_size
= templ
->independent_blend_enable
? sizeof(struct pipe_blend_state
) :
318 (char *)&(templ
->rt
[1]) - (char *)templ
;
319 hash_key
= cso_construct_key((void*)templ
, key_size
);
320 iter
= cso_find_state_template(ctx
->cache
, hash_key
, CSO_BLEND
, (void*)templ
);
322 if (cso_hash_iter_is_null(iter
)) {
323 struct cso_blend
*cso
= MALLOC(sizeof(struct cso_blend
));
325 return PIPE_ERROR_OUT_OF_MEMORY
;
327 memcpy(&cso
->state
, templ
, key_size
);
328 cso
->data
= ctx
->pipe
->create_blend_state(ctx
->pipe
, &cso
->state
);
329 cso
->delete_state
= (cso_state_callback
)ctx
->pipe
->delete_blend_state
;
330 cso
->context
= ctx
->pipe
;
332 iter
= cso_insert_state(ctx
->cache
, hash_key
, CSO_BLEND
, cso
);
333 if (cso_hash_iter_is_null(iter
)) {
335 return PIPE_ERROR_OUT_OF_MEMORY
;
341 handle
= ((struct cso_blend
*)cso_hash_iter_data(iter
))->data
;
344 if (ctx
->blend
!= handle
) {
346 ctx
->pipe
->bind_blend_state(ctx
->pipe
, handle
);
351 void cso_save_blend(struct cso_context
*ctx
)
353 assert(!ctx
->blend_saved
);
354 ctx
->blend_saved
= ctx
->blend
;
357 void cso_restore_blend(struct cso_context
*ctx
)
359 if (ctx
->blend
!= ctx
->blend_saved
) {
360 ctx
->blend
= ctx
->blend_saved
;
361 ctx
->pipe
->bind_blend_state(ctx
->pipe
, ctx
->blend_saved
);
363 ctx
->blend_saved
= NULL
;
368 enum pipe_error
cso_single_sampler(struct cso_context
*ctx
,
370 const struct pipe_sampler_state
*templ
)
375 unsigned hash_key
= cso_construct_key((void*)templ
, sizeof(struct pipe_sampler_state
));
376 struct cso_hash_iter iter
= cso_find_state_template(ctx
->cache
,
377 hash_key
, CSO_SAMPLER
,
380 if (cso_hash_iter_is_null(iter
)) {
381 struct cso_sampler
*cso
= MALLOC(sizeof(struct cso_sampler
));
383 return PIPE_ERROR_OUT_OF_MEMORY
;
385 memcpy(&cso
->state
, templ
, sizeof(*templ
));
386 cso
->data
= ctx
->pipe
->create_sampler_state(ctx
->pipe
, &cso
->state
);
387 cso
->delete_state
= (cso_state_callback
)ctx
->pipe
->delete_sampler_state
;
388 cso
->context
= ctx
->pipe
;
390 iter
= cso_insert_state(ctx
->cache
, hash_key
, CSO_SAMPLER
, cso
);
391 if (cso_hash_iter_is_null(iter
)) {
393 return PIPE_ERROR_OUT_OF_MEMORY
;
399 handle
= ((struct cso_sampler
*)cso_hash_iter_data(iter
))->data
;
403 ctx
->samplers
[idx
] = handle
;
408 cso_single_vertex_sampler(struct cso_context
*ctx
,
410 const struct pipe_sampler_state
*templ
)
415 unsigned hash_key
= cso_construct_key((void*)templ
, sizeof(struct pipe_sampler_state
));
416 struct cso_hash_iter iter
= cso_find_state_template(ctx
->cache
,
417 hash_key
, CSO_SAMPLER
,
420 if (cso_hash_iter_is_null(iter
)) {
421 struct cso_sampler
*cso
= MALLOC(sizeof(struct cso_sampler
));
423 return PIPE_ERROR_OUT_OF_MEMORY
;
425 memcpy(&cso
->state
, templ
, sizeof(*templ
));
426 cso
->data
= ctx
->pipe
->create_sampler_state(ctx
->pipe
, &cso
->state
);
427 cso
->delete_state
= (cso_state_callback
)ctx
->pipe
->delete_sampler_state
;
428 cso
->context
= ctx
->pipe
;
430 iter
= cso_insert_state(ctx
->cache
, hash_key
, CSO_SAMPLER
, cso
);
431 if (cso_hash_iter_is_null(iter
)) {
433 return PIPE_ERROR_OUT_OF_MEMORY
;
439 handle
= ((struct cso_sampler
*)cso_hash_iter_data(iter
))->data
;
443 ctx
->vertex_samplers
[idx
] = handle
;
447 void cso_single_sampler_done( struct cso_context
*ctx
)
451 /* find highest non-null sampler */
452 for (i
= PIPE_MAX_SAMPLERS
; i
> 0; i
--) {
453 if (ctx
->samplers
[i
- 1] != NULL
)
457 ctx
->nr_samplers
= i
;
459 if (ctx
->hw
.nr_samplers
!= ctx
->nr_samplers
||
460 memcmp(ctx
->hw
.samplers
,
462 ctx
->nr_samplers
* sizeof(void *)) != 0)
464 memcpy(ctx
->hw
.samplers
, ctx
->samplers
, ctx
->nr_samplers
* sizeof(void *));
465 ctx
->hw
.nr_samplers
= ctx
->nr_samplers
;
467 ctx
->pipe
->bind_fragment_sampler_states(ctx
->pipe
, ctx
->nr_samplers
, ctx
->samplers
);
472 cso_single_vertex_sampler_done(struct cso_context
*ctx
)
476 /* find highest non-null sampler */
477 for (i
= PIPE_MAX_VERTEX_SAMPLERS
; i
> 0; i
--) {
478 if (ctx
->vertex_samplers
[i
- 1] != NULL
)
482 ctx
->nr_vertex_samplers
= i
;
484 if (ctx
->hw
.nr_vertex_samplers
!= ctx
->nr_vertex_samplers
||
485 memcmp(ctx
->hw
.vertex_samplers
,
486 ctx
->vertex_samplers
,
487 ctx
->nr_vertex_samplers
* sizeof(void *)) != 0)
489 memcpy(ctx
->hw
.vertex_samplers
,
490 ctx
->vertex_samplers
,
491 ctx
->nr_vertex_samplers
* sizeof(void *));
492 ctx
->hw
.nr_vertex_samplers
= ctx
->nr_vertex_samplers
;
494 ctx
->pipe
->bind_vertex_sampler_states(ctx
->pipe
,
495 ctx
->nr_vertex_samplers
,
496 ctx
->vertex_samplers
);
501 * If the function encouters any errors it will return the
502 * last one. Done to always try to set as many samplers
505 enum pipe_error
cso_set_samplers( struct cso_context
*ctx
,
507 const struct pipe_sampler_state
**templates
)
510 enum pipe_error temp
, error
= PIPE_OK
;
515 for (i
= 0; i
< nr
; i
++) {
516 temp
= cso_single_sampler( ctx
, i
, templates
[i
] );
521 for ( ; i
< ctx
->nr_samplers
; i
++) {
522 temp
= cso_single_sampler( ctx
, i
, NULL
);
527 cso_single_sampler_done( ctx
);
532 void cso_save_samplers(struct cso_context
*ctx
)
534 ctx
->nr_samplers_saved
= ctx
->nr_samplers
;
535 memcpy(ctx
->samplers_saved
, ctx
->samplers
, sizeof(ctx
->samplers
));
538 void cso_restore_samplers(struct cso_context
*ctx
)
540 ctx
->nr_samplers
= ctx
->nr_samplers_saved
;
541 memcpy(ctx
->samplers
, ctx
->samplers_saved
, sizeof(ctx
->samplers
));
542 cso_single_sampler_done( ctx
);
546 * If the function encouters any errors it will return the
547 * last one. Done to always try to set as many samplers
550 enum pipe_error
cso_set_vertex_samplers(struct cso_context
*ctx
,
552 const struct pipe_sampler_state
**templates
)
555 enum pipe_error temp
, error
= PIPE_OK
;
560 for (i
= 0; i
< nr
; i
++) {
561 temp
= cso_single_vertex_sampler( ctx
, i
, templates
[i
] );
566 for ( ; i
< ctx
->nr_samplers
; i
++) {
567 temp
= cso_single_vertex_sampler( ctx
, i
, NULL
);
572 cso_single_vertex_sampler_done( ctx
);
578 cso_save_vertex_samplers(struct cso_context
*ctx
)
580 ctx
->nr_vertex_samplers_saved
= ctx
->nr_vertex_samplers
;
581 memcpy(ctx
->vertex_samplers_saved
, ctx
->vertex_samplers
, sizeof(ctx
->vertex_samplers
));
585 cso_restore_vertex_samplers(struct cso_context
*ctx
)
587 ctx
->nr_vertex_samplers
= ctx
->nr_vertex_samplers_saved
;
588 memcpy(ctx
->vertex_samplers
, ctx
->vertex_samplers_saved
, sizeof(ctx
->vertex_samplers
));
589 cso_single_vertex_sampler_done(ctx
);
593 enum pipe_error
cso_set_sampler_textures( struct cso_context
*ctx
,
595 struct pipe_texture
**textures
)
599 ctx
->nr_textures
= count
;
601 for (i
= 0; i
< count
; i
++)
602 pipe_texture_reference(&ctx
->textures
[i
], textures
[i
]);
603 for ( ; i
< PIPE_MAX_SAMPLERS
; i
++)
604 pipe_texture_reference(&ctx
->textures
[i
], NULL
);
606 ctx
->pipe
->set_fragment_sampler_textures(ctx
->pipe
, count
, textures
);
611 void cso_save_sampler_textures( struct cso_context
*ctx
)
615 ctx
->nr_textures_saved
= ctx
->nr_textures
;
616 for (i
= 0; i
< ctx
->nr_textures
; i
++) {
617 assert(!ctx
->textures_saved
[i
]);
618 pipe_texture_reference(&ctx
->textures_saved
[i
], ctx
->textures
[i
]);
622 void cso_restore_sampler_textures( struct cso_context
*ctx
)
626 ctx
->nr_textures
= ctx
->nr_textures_saved
;
628 for (i
= 0; i
< ctx
->nr_textures
; i
++) {
629 pipe_texture_reference(&ctx
->textures
[i
], NULL
);
630 ctx
->textures
[i
] = ctx
->textures_saved
[i
];
631 ctx
->textures_saved
[i
] = NULL
;
633 for ( ; i
< PIPE_MAX_SAMPLERS
; i
++)
634 pipe_texture_reference(&ctx
->textures
[i
], NULL
);
636 ctx
->pipe
->set_fragment_sampler_textures(ctx
->pipe
, ctx
->nr_textures
, ctx
->textures
);
638 ctx
->nr_textures_saved
= 0;
644 cso_set_vertex_sampler_textures(struct cso_context
*ctx
,
646 struct pipe_texture
**textures
)
650 ctx
->nr_vertex_textures
= count
;
652 for (i
= 0; i
< count
; i
++) {
653 pipe_texture_reference(&ctx
->vertex_textures
[i
], textures
[i
]);
655 for ( ; i
< PIPE_MAX_VERTEX_SAMPLERS
; i
++) {
656 pipe_texture_reference(&ctx
->vertex_textures
[i
], NULL
);
659 ctx
->pipe
->set_vertex_sampler_textures(ctx
->pipe
, count
, textures
);
665 cso_save_vertex_sampler_textures(struct cso_context
*ctx
)
669 ctx
->nr_vertex_textures_saved
= ctx
->nr_vertex_textures
;
670 for (i
= 0; i
< ctx
->nr_vertex_textures
; i
++) {
671 assert(!ctx
->vertex_textures_saved
[i
]);
672 pipe_texture_reference(&ctx
->vertex_textures_saved
[i
], ctx
->vertex_textures
[i
]);
677 cso_restore_vertex_sampler_textures(struct cso_context
*ctx
)
681 ctx
->nr_vertex_textures
= ctx
->nr_vertex_textures_saved
;
683 for (i
= 0; i
< ctx
->nr_vertex_textures
; i
++) {
684 pipe_texture_reference(&ctx
->vertex_textures
[i
], NULL
);
685 ctx
->vertex_textures
[i
] = ctx
->vertex_textures_saved
[i
];
686 ctx
->vertex_textures_saved
[i
] = NULL
;
688 for ( ; i
< PIPE_MAX_VERTEX_SAMPLERS
; i
++) {
689 pipe_texture_reference(&ctx
->vertex_textures
[i
], NULL
);
692 ctx
->pipe
->set_vertex_sampler_textures(ctx
->pipe
,
693 ctx
->nr_vertex_textures
,
694 ctx
->vertex_textures
);
696 ctx
->nr_vertex_textures_saved
= 0;
701 enum pipe_error
cso_set_depth_stencil_alpha(struct cso_context
*ctx
,
702 const struct pipe_depth_stencil_alpha_state
*templ
)
704 unsigned hash_key
= cso_construct_key((void*)templ
,
705 sizeof(struct pipe_depth_stencil_alpha_state
));
706 struct cso_hash_iter iter
= cso_find_state_template(ctx
->cache
,
708 CSO_DEPTH_STENCIL_ALPHA
,
712 if (cso_hash_iter_is_null(iter
)) {
713 struct cso_depth_stencil_alpha
*cso
= MALLOC(sizeof(struct cso_depth_stencil_alpha
));
715 return PIPE_ERROR_OUT_OF_MEMORY
;
717 memcpy(&cso
->state
, templ
, sizeof(*templ
));
718 cso
->data
= ctx
->pipe
->create_depth_stencil_alpha_state(ctx
->pipe
, &cso
->state
);
719 cso
->delete_state
= (cso_state_callback
)ctx
->pipe
->delete_depth_stencil_alpha_state
;
720 cso
->context
= ctx
->pipe
;
722 iter
= cso_insert_state(ctx
->cache
, hash_key
, CSO_DEPTH_STENCIL_ALPHA
, cso
);
723 if (cso_hash_iter_is_null(iter
)) {
725 return PIPE_ERROR_OUT_OF_MEMORY
;
731 handle
= ((struct cso_depth_stencil_alpha
*)cso_hash_iter_data(iter
))->data
;
734 if (ctx
->depth_stencil
!= handle
) {
735 ctx
->depth_stencil
= handle
;
736 ctx
->pipe
->bind_depth_stencil_alpha_state(ctx
->pipe
, handle
);
741 void cso_save_depth_stencil_alpha(struct cso_context
*ctx
)
743 assert(!ctx
->depth_stencil_saved
);
744 ctx
->depth_stencil_saved
= ctx
->depth_stencil
;
747 void cso_restore_depth_stencil_alpha(struct cso_context
*ctx
)
749 if (ctx
->depth_stencil
!= ctx
->depth_stencil_saved
) {
750 ctx
->depth_stencil
= ctx
->depth_stencil_saved
;
751 ctx
->pipe
->bind_depth_stencil_alpha_state(ctx
->pipe
, ctx
->depth_stencil_saved
);
753 ctx
->depth_stencil_saved
= NULL
;
758 enum pipe_error
cso_set_rasterizer(struct cso_context
*ctx
,
759 const struct pipe_rasterizer_state
*templ
)
761 unsigned hash_key
= cso_construct_key((void*)templ
,
762 sizeof(struct pipe_rasterizer_state
));
763 struct cso_hash_iter iter
= cso_find_state_template(ctx
->cache
,
764 hash_key
, CSO_RASTERIZER
,
768 if (cso_hash_iter_is_null(iter
)) {
769 struct cso_rasterizer
*cso
= MALLOC(sizeof(struct cso_rasterizer
));
771 return PIPE_ERROR_OUT_OF_MEMORY
;
773 memcpy(&cso
->state
, templ
, sizeof(*templ
));
774 cso
->data
= ctx
->pipe
->create_rasterizer_state(ctx
->pipe
, &cso
->state
);
775 cso
->delete_state
= (cso_state_callback
)ctx
->pipe
->delete_rasterizer_state
;
776 cso
->context
= ctx
->pipe
;
778 iter
= cso_insert_state(ctx
->cache
, hash_key
, CSO_RASTERIZER
, cso
);
779 if (cso_hash_iter_is_null(iter
)) {
781 return PIPE_ERROR_OUT_OF_MEMORY
;
787 handle
= ((struct cso_rasterizer
*)cso_hash_iter_data(iter
))->data
;
790 if (ctx
->rasterizer
!= handle
) {
791 ctx
->rasterizer
= handle
;
792 ctx
->pipe
->bind_rasterizer_state(ctx
->pipe
, handle
);
797 void cso_save_rasterizer(struct cso_context
*ctx
)
799 assert(!ctx
->rasterizer_saved
);
800 ctx
->rasterizer_saved
= ctx
->rasterizer
;
803 void cso_restore_rasterizer(struct cso_context
*ctx
)
805 if (ctx
->rasterizer
!= ctx
->rasterizer_saved
) {
806 ctx
->rasterizer
= ctx
->rasterizer_saved
;
807 ctx
->pipe
->bind_rasterizer_state(ctx
->pipe
, ctx
->rasterizer_saved
);
809 ctx
->rasterizer_saved
= NULL
;
814 enum pipe_error
cso_set_fragment_shader_handle(struct cso_context
*ctx
,
817 if (ctx
->fragment_shader
!= handle
) {
818 ctx
->fragment_shader
= handle
;
819 ctx
->pipe
->bind_fs_state(ctx
->pipe
, handle
);
824 void cso_delete_fragment_shader(struct cso_context
*ctx
, void *handle
)
826 if (handle
== ctx
->fragment_shader
) {
827 /* unbind before deleting */
828 ctx
->pipe
->bind_fs_state(ctx
->pipe
, NULL
);
829 ctx
->fragment_shader
= NULL
;
831 ctx
->pipe
->delete_fs_state(ctx
->pipe
, handle
);
834 /* Not really working:
837 enum pipe_error
cso_set_fragment_shader(struct cso_context
*ctx
,
838 const struct pipe_shader_state
*templ
)
840 const struct tgsi_token
*tokens
= templ
->tokens
;
841 unsigned num_tokens
= tgsi_num_tokens(tokens
);
842 size_t tokens_size
= num_tokens
*sizeof(struct tgsi_token
);
843 unsigned hash_key
= cso_construct_key((void*)tokens
, tokens_size
);
844 struct cso_hash_iter iter
= cso_find_state_template(ctx
->cache
,
850 if (cso_hash_iter_is_null(iter
)) {
851 struct cso_fragment_shader
*cso
= MALLOC(sizeof(struct cso_fragment_shader
) + tokens_size
);
852 struct tgsi_token
*cso_tokens
= (struct tgsi_token
*)((char *)cso
+ sizeof(*cso
));
855 return PIPE_ERROR_OUT_OF_MEMORY
;
857 memcpy(cso_tokens
, tokens
, tokens_size
);
858 cso
->state
.tokens
= cso_tokens
;
859 cso
->data
= ctx
->pipe
->create_fs_state(ctx
->pipe
, &cso
->state
);
860 cso
->delete_state
= (cso_state_callback
)ctx
->pipe
->delete_fs_state
;
861 cso
->context
= ctx
->pipe
;
863 iter
= cso_insert_state(ctx
->cache
, hash_key
, CSO_FRAGMENT_SHADER
, cso
);
864 if (cso_hash_iter_is_null(iter
)) {
866 return PIPE_ERROR_OUT_OF_MEMORY
;
872 handle
= ((struct cso_fragment_shader
*)cso_hash_iter_data(iter
))->data
;
875 return cso_set_fragment_shader_handle( ctx
, handle
);
879 void cso_save_fragment_shader(struct cso_context
*ctx
)
881 assert(!ctx
->fragment_shader_saved
);
882 ctx
->fragment_shader_saved
= ctx
->fragment_shader
;
885 void cso_restore_fragment_shader(struct cso_context
*ctx
)
887 if (ctx
->fragment_shader_saved
!= ctx
->fragment_shader
) {
888 ctx
->pipe
->bind_fs_state(ctx
->pipe
, ctx
->fragment_shader_saved
);
889 ctx
->fragment_shader
= ctx
->fragment_shader_saved
;
891 ctx
->fragment_shader_saved
= NULL
;
895 enum pipe_error
cso_set_vertex_shader_handle(struct cso_context
*ctx
,
898 if (ctx
->vertex_shader
!= handle
) {
899 ctx
->vertex_shader
= handle
;
900 ctx
->pipe
->bind_vs_state(ctx
->pipe
, handle
);
905 void cso_delete_vertex_shader(struct cso_context
*ctx
, void *handle
)
907 if (handle
== ctx
->vertex_shader
) {
908 /* unbind before deleting */
909 ctx
->pipe
->bind_vs_state(ctx
->pipe
, NULL
);
910 ctx
->vertex_shader
= NULL
;
912 ctx
->pipe
->delete_vs_state(ctx
->pipe
, handle
);
916 /* Not really working:
919 enum pipe_error
cso_set_vertex_shader(struct cso_context
*ctx
,
920 const struct pipe_shader_state
*templ
)
922 unsigned hash_key
= cso_construct_key((void*)templ
,
923 sizeof(struct pipe_shader_state
));
924 struct cso_hash_iter iter
= cso_find_state_template(ctx
->cache
,
925 hash_key
, CSO_VERTEX_SHADER
,
929 if (cso_hash_iter_is_null(iter
)) {
930 struct cso_vertex_shader
*cso
= MALLOC(sizeof(struct cso_vertex_shader
));
933 return PIPE_ERROR_OUT_OF_MEMORY
;
935 memcpy(cso
->state
, templ
, sizeof(*templ
));
936 cso
->data
= ctx
->pipe
->create_vs_state(ctx
->pipe
, &cso
->state
);
937 cso
->delete_state
= (cso_state_callback
)ctx
->pipe
->delete_vs_state
;
938 cso
->context
= ctx
->pipe
;
940 iter
= cso_insert_state(ctx
->cache
, hash_key
, CSO_VERTEX_SHADER
, cso
);
941 if (cso_hash_iter_is_null(iter
)) {
943 return PIPE_ERROR_OUT_OF_MEMORY
;
949 handle
= ((struct cso_vertex_shader
*)cso_hash_iter_data(iter
))->data
;
952 return cso_set_vertex_shader_handle( ctx
, handle
);
958 void cso_save_vertex_shader(struct cso_context
*ctx
)
960 assert(!ctx
->vertex_shader_saved
);
961 ctx
->vertex_shader_saved
= ctx
->vertex_shader
;
964 void cso_restore_vertex_shader(struct cso_context
*ctx
)
966 if (ctx
->vertex_shader_saved
!= ctx
->vertex_shader
) {
967 ctx
->pipe
->bind_vs_state(ctx
->pipe
, ctx
->vertex_shader_saved
);
968 ctx
->vertex_shader
= ctx
->vertex_shader_saved
;
970 ctx
->vertex_shader_saved
= NULL
;
975 * Copy framebuffer state from src to dst with refcounting of surfaces.
978 copy_framebuffer_state(struct pipe_framebuffer_state
*dst
,
979 const struct pipe_framebuffer_state
*src
)
983 dst
->width
= src
->width
;
984 dst
->height
= src
->height
;
985 dst
->nr_cbufs
= src
->nr_cbufs
;
986 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
987 pipe_surface_reference(&dst
->cbufs
[i
], src
->cbufs
[i
]);
989 pipe_surface_reference(&dst
->zsbuf
, src
->zsbuf
);
994 free_framebuffer_state(struct pipe_framebuffer_state
*fb
)
998 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
999 pipe_surface_reference(&fb
->cbufs
[i
], NULL
);
1001 pipe_surface_reference(&fb
->zsbuf
, NULL
);
1005 enum pipe_error
cso_set_framebuffer(struct cso_context
*ctx
,
1006 const struct pipe_framebuffer_state
*fb
)
1008 if (memcmp(&ctx
->fb
, fb
, sizeof(*fb
)) != 0) {
1009 copy_framebuffer_state(&ctx
->fb
, fb
);
1010 ctx
->pipe
->set_framebuffer_state(ctx
->pipe
, fb
);
1015 void cso_save_framebuffer(struct cso_context
*ctx
)
1017 copy_framebuffer_state(&ctx
->fb_saved
, &ctx
->fb
);
1020 void cso_restore_framebuffer(struct cso_context
*ctx
)
1022 if (memcmp(&ctx
->fb
, &ctx
->fb_saved
, sizeof(ctx
->fb
))) {
1023 copy_framebuffer_state(&ctx
->fb
, &ctx
->fb_saved
);
1024 ctx
->pipe
->set_framebuffer_state(ctx
->pipe
, &ctx
->fb
);
1025 free_framebuffer_state(&ctx
->fb_saved
);
1030 enum pipe_error
cso_set_viewport(struct cso_context
*ctx
,
1031 const struct pipe_viewport_state
*vp
)
1033 if (memcmp(&ctx
->vp
, vp
, sizeof(*vp
))) {
1035 ctx
->pipe
->set_viewport_state(ctx
->pipe
, vp
);
1040 void cso_save_viewport(struct cso_context
*ctx
)
1042 ctx
->vp_saved
= ctx
->vp
;
1046 void cso_restore_viewport(struct cso_context
*ctx
)
1048 if (memcmp(&ctx
->vp
, &ctx
->vp_saved
, sizeof(ctx
->vp
))) {
1049 ctx
->vp
= ctx
->vp_saved
;
1050 ctx
->pipe
->set_viewport_state(ctx
->pipe
, &ctx
->vp
);
1057 enum pipe_error
cso_set_blend_color(struct cso_context
*ctx
,
1058 const struct pipe_blend_color
*bc
)
1060 if (memcmp(&ctx
->blend_color
, bc
, sizeof(ctx
->blend_color
))) {
1061 ctx
->blend_color
= *bc
;
1062 ctx
->pipe
->set_blend_color(ctx
->pipe
, bc
);
1067 enum pipe_error
cso_set_geometry_shader_handle(struct cso_context
*ctx
,
1070 if (ctx
->geometry_shader
!= handle
) {
1071 ctx
->geometry_shader
= handle
;
1072 ctx
->pipe
->bind_gs_state(ctx
->pipe
, handle
);
1077 void cso_delete_geometry_shader(struct cso_context
*ctx
, void *handle
)
1079 if (handle
== ctx
->geometry_shader
) {
1080 /* unbind before deleting */
1081 ctx
->pipe
->bind_gs_state(ctx
->pipe
, NULL
);
1082 ctx
->geometry_shader
= NULL
;
1084 ctx
->pipe
->delete_gs_state(ctx
->pipe
, handle
);
1087 void cso_save_geometry_shader(struct cso_context
*ctx
)
1089 assert(!ctx
->geometry_shader_saved
);
1090 ctx
->geometry_shader_saved
= ctx
->geometry_shader
;
1093 void cso_restore_geometry_shader(struct cso_context
*ctx
)
1095 if (ctx
->geometry_shader_saved
!= ctx
->geometry_shader
) {
1096 ctx
->pipe
->bind_gs_state(ctx
->pipe
, ctx
->geometry_shader_saved
);
1097 ctx
->geometry_shader
= ctx
->geometry_shader_saved
;
1099 ctx
->geometry_shader_saved
= NULL
;