1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 #include "util/u_memory.h"
30 #include "util/u_math.h"
31 #include "util/u_rect.h"
32 #include "util/u_surface.h"
33 #include "util/u_pack_color.h"
34 #include "util/u_string.h"
36 #include "os/os_time.h"
38 #include "lp_scene_queue.h"
39 #include "lp_context.h"
45 #include "lp_rast_priv.h"
46 #include "gallivm/lp_bld_debug.h"
48 #include "lp_tex_sample.h"
53 const struct lp_rast_state
*jit_state
= NULL
;
54 const struct lp_rasterizer_task
*jit_task
= NULL
;
59 * Begin rasterizing a scene.
60 * Called once per scene by one thread.
63 lp_rast_begin( struct lp_rasterizer
*rast
,
64 struct lp_scene
*scene
)
66 rast
->curr_scene
= scene
;
68 LP_DBG(DEBUG_RAST
, "%s\n", __FUNCTION__
);
70 lp_scene_begin_rasterization( scene
);
71 lp_scene_bin_iter_begin( scene
);
76 lp_rast_end( struct lp_rasterizer
*rast
)
78 lp_scene_end_rasterization( rast
->curr_scene
);
80 rast
->curr_scene
= NULL
;
85 * Begining rasterization of a tile.
86 * \param x window X position of the tile, in pixels
87 * \param y window Y position of the tile, in pixels
90 lp_rast_tile_begin(struct lp_rasterizer_task
*task
,
91 const struct cmd_bin
*bin
,
95 struct lp_scene
*scene
= task
->scene
;
97 LP_DBG(DEBUG_RAST
, "%s %d,%d\n", __FUNCTION__
, x
, y
);
100 task
->x
= x
* TILE_SIZE
;
101 task
->y
= y
* TILE_SIZE
;
102 task
->width
= TILE_SIZE
+ x
* TILE_SIZE
> task
->scene
->fb
.width
?
103 task
->scene
->fb
.width
- x
* TILE_SIZE
: TILE_SIZE
;
104 task
->height
= TILE_SIZE
+ y
* TILE_SIZE
> task
->scene
->fb
.height
?
105 task
->scene
->fb
.height
- y
* TILE_SIZE
: TILE_SIZE
;
107 task
->thread_data
.vis_counter
= 0;
108 task
->ps_invocations
= 0;
110 for (i
= 0; i
< task
->scene
->fb
.nr_cbufs
; i
++) {
111 if (task
->scene
->fb
.cbufs
[i
]) {
112 task
->color_tiles
[i
] = scene
->cbufs
[i
].map
+
113 scene
->cbufs
[i
].stride
* task
->y
+
114 scene
->cbufs
[i
].format_bytes
* task
->x
;
117 if (task
->scene
->fb
.zsbuf
) {
118 task
->depth_tile
= scene
->zsbuf
.map
+
119 scene
->zsbuf
.stride
* task
->y
+
120 scene
->zsbuf
.format_bytes
* task
->x
;
126 * Clear the rasterizer's current color tile.
127 * This is a bin command called during bin processing.
128 * Clear commands always clear all bound layers.
131 lp_rast_clear_color(struct lp_rasterizer_task
*task
,
132 const union lp_rast_cmd_arg arg
)
134 const struct lp_scene
*scene
= task
->scene
;
135 unsigned cbuf
= arg
.clear_rb
->cbuf
;
137 enum pipe_format format
;
139 /* we never bin clear commands for non-existing buffers */
140 assert(cbuf
< scene
->fb
.nr_cbufs
);
141 assert(scene
->fb
.cbufs
[cbuf
]);
143 format
= scene
->fb
.cbufs
[cbuf
]->format
;
144 uc
= arg
.clear_rb
->color_val
;
147 * this is pretty rough since we have target format (bunch of bytes...) here.
148 * dump it as raw 4 dwords.
150 LP_DBG(DEBUG_RAST
, "%s clear value (target format %d) raw 0x%x,0x%x,0x%x,0x%x\n",
151 __FUNCTION__
, format
, uc
.ui
[0], uc
.ui
[1], uc
.ui
[2], uc
.ui
[3]);
154 util_fill_box(scene
->cbufs
[cbuf
].map
,
156 scene
->cbufs
[cbuf
].stride
,
157 scene
->cbufs
[cbuf
].layer_stride
,
163 scene
->fb_max_layer
+ 1,
166 /* this will increase for each rb which probably doesn't mean much */
167 LP_COUNT(nr_color_tile_clear
);
172 * Clear the rasterizer's current z/stencil tile.
173 * This is a bin command called during bin processing.
174 * Clear commands always clear all bound layers.
177 lp_rast_clear_zstencil(struct lp_rasterizer_task
*task
,
178 const union lp_rast_cmd_arg arg
)
180 const struct lp_scene
*scene
= task
->scene
;
181 uint64_t clear_value64
= arg
.clear_zstencil
.value
;
182 uint64_t clear_mask64
= arg
.clear_zstencil
.mask
;
183 uint32_t clear_value
= (uint32_t) clear_value64
;
184 uint32_t clear_mask
= (uint32_t) clear_mask64
;
185 const unsigned height
= task
->height
;
186 const unsigned width
= task
->width
;
187 const unsigned dst_stride
= scene
->zsbuf
.stride
;
192 LP_DBG(DEBUG_RAST
, "%s: value=0x%08x, mask=0x%08x\n",
193 __FUNCTION__
, clear_value
, clear_mask
);
196 * Clear the area of the depth/depth buffer matching this tile.
199 if (scene
->fb
.zsbuf
) {
201 uint8_t *dst_layer
= task
->depth_tile
;
202 block_size
= util_format_get_blocksize(scene
->fb
.zsbuf
->format
);
204 clear_value
&= clear_mask
;
206 for (layer
= 0; layer
<= scene
->fb_max_layer
; layer
++) {
209 switch (block_size
) {
211 assert(clear_mask
== 0xff);
212 memset(dst
, (uint8_t) clear_value
, height
* width
);
215 if (clear_mask
== 0xffff) {
216 for (i
= 0; i
< height
; i
++) {
217 uint16_t *row
= (uint16_t *)dst
;
218 for (j
= 0; j
< width
; j
++)
219 *row
++ = (uint16_t) clear_value
;
224 for (i
= 0; i
< height
; i
++) {
225 uint16_t *row
= (uint16_t *)dst
;
226 for (j
= 0; j
< width
; j
++) {
227 uint16_t tmp
= ~clear_mask
& *row
;
228 *row
++ = clear_value
| tmp
;
235 if (clear_mask
== 0xffffffff) {
236 for (i
= 0; i
< height
; i
++) {
237 uint32_t *row
= (uint32_t *)dst
;
238 for (j
= 0; j
< width
; j
++)
239 *row
++ = clear_value
;
244 for (i
= 0; i
< height
; i
++) {
245 uint32_t *row
= (uint32_t *)dst
;
246 for (j
= 0; j
< width
; j
++) {
247 uint32_t tmp
= ~clear_mask
& *row
;
248 *row
++ = clear_value
| tmp
;
255 clear_value64
&= clear_mask64
;
256 if (clear_mask64
== 0xffffffffffULL
) {
257 for (i
= 0; i
< height
; i
++) {
258 uint64_t *row
= (uint64_t *)dst
;
259 for (j
= 0; j
< width
; j
++)
260 *row
++ = clear_value64
;
265 for (i
= 0; i
< height
; i
++) {
266 uint64_t *row
= (uint64_t *)dst
;
267 for (j
= 0; j
< width
; j
++) {
268 uint64_t tmp
= ~clear_mask64
& *row
;
269 *row
++ = clear_value64
| tmp
;
280 dst_layer
+= scene
->zsbuf
.layer_stride
;
288 * Run the shader on all blocks in a tile. This is used when a tile is
289 * completely contained inside a triangle.
290 * This is a bin command called during bin processing.
293 lp_rast_shade_tile(struct lp_rasterizer_task
*task
,
294 const union lp_rast_cmd_arg arg
)
296 const struct lp_scene
*scene
= task
->scene
;
297 const struct lp_rast_shader_inputs
*inputs
= arg
.shade_tile
;
298 const struct lp_rast_state
*state
;
299 struct lp_fragment_shader_variant
*variant
;
300 const unsigned tile_x
= task
->x
, tile_y
= task
->y
;
303 if (inputs
->disable
) {
304 /* This command was partially binned and has been disabled */
308 LP_DBG(DEBUG_RAST
, "%s\n", __FUNCTION__
);
315 variant
= state
->variant
;
317 /* render the whole 64x64 tile in 4x4 chunks */
318 for (y
= 0; y
< task
->height
; y
+= 4){
319 for (x
= 0; x
< task
->width
; x
+= 4) {
320 uint8_t *color
[PIPE_MAX_COLOR_BUFS
];
321 unsigned stride
[PIPE_MAX_COLOR_BUFS
];
322 uint8_t *depth
= NULL
;
323 unsigned depth_stride
= 0;
327 for (i
= 0; i
< scene
->fb
.nr_cbufs
; i
++){
328 if (scene
->fb
.cbufs
[i
]) {
329 stride
[i
] = scene
->cbufs
[i
].stride
;
330 color
[i
] = lp_rast_get_color_block_pointer(task
, i
, tile_x
+ x
,
331 tile_y
+ y
, inputs
->layer
);
340 if (scene
->zsbuf
.map
) {
341 depth
= lp_rast_get_depth_block_pointer(task
, tile_x
+ x
,
342 tile_y
+ y
, inputs
->layer
);
343 depth_stride
= scene
->zsbuf
.stride
;
346 /* Propagate non-interpolated raster state. */
347 task
->thread_data
.raster_state
.viewport_index
= inputs
->viewport_index
;
349 /* run shader on 4x4 block */
350 BEGIN_JIT_CALL(state
, task
);
351 variant
->jit_function
[RAST_WHOLE
]( &state
->jit_context
,
352 tile_x
+ x
, tile_y
+ y
,
370 * Run the shader on all blocks in a tile. This is used when a tile is
371 * completely contained inside a triangle, and the shader is opaque.
372 * This is a bin command called during bin processing.
375 lp_rast_shade_tile_opaque(struct lp_rasterizer_task
*task
,
376 const union lp_rast_cmd_arg arg
)
378 LP_DBG(DEBUG_RAST
, "%s\n", __FUNCTION__
);
385 lp_rast_shade_tile(task
, arg
);
390 * Compute shading for a 4x4 block of pixels inside a triangle.
391 * This is a bin command called during bin processing.
392 * \param x X position of quad in window coords
393 * \param y Y position of quad in window coords
396 lp_rast_shade_quads_mask(struct lp_rasterizer_task
*task
,
397 const struct lp_rast_shader_inputs
*inputs
,
398 unsigned x
, unsigned y
,
401 const struct lp_rast_state
*state
= task
->state
;
402 struct lp_fragment_shader_variant
*variant
= state
->variant
;
403 const struct lp_scene
*scene
= task
->scene
;
404 uint8_t *color
[PIPE_MAX_COLOR_BUFS
];
405 unsigned stride
[PIPE_MAX_COLOR_BUFS
];
406 uint8_t *depth
= NULL
;
407 unsigned depth_stride
= 0;
413 assert(x
< scene
->tiles_x
* TILE_SIZE
);
414 assert(y
< scene
->tiles_y
* TILE_SIZE
);
415 assert(x
% TILE_VECTOR_WIDTH
== 0);
416 assert(y
% TILE_VECTOR_HEIGHT
== 0);
418 assert((x
% 4) == 0);
419 assert((y
% 4) == 0);
422 for (i
= 0; i
< scene
->fb
.nr_cbufs
; i
++) {
423 if (scene
->fb
.cbufs
[i
]) {
424 stride
[i
] = scene
->cbufs
[i
].stride
;
425 color
[i
] = lp_rast_get_color_block_pointer(task
, i
, x
, y
,
435 if (scene
->zsbuf
.map
) {
436 depth_stride
= scene
->zsbuf
.stride
;
437 depth
= lp_rast_get_depth_block_pointer(task
, x
, y
, inputs
->layer
);
440 assert(lp_check_alignment(state
->jit_context
.u8_blend_color
, 16));
443 * The rasterizer may produce fragments outside our
444 * allocated 4x4 blocks hence need to filter them out here.
446 if ((x
% TILE_SIZE
) < task
->width
&& (y
% TILE_SIZE
) < task
->height
) {
447 /* not very accurate would need a popcount on the mask */
448 /* always count this not worth bothering? */
449 task
->ps_invocations
+= 1 * variant
->ps_inv_multiplier
;
451 /* Propagate non-interpolated raster state. */
452 task
->thread_data
.raster_state
.viewport_index
= inputs
->viewport_index
;
454 /* run shader on 4x4 block */
455 BEGIN_JIT_CALL(state
, task
);
456 variant
->jit_function
[RAST_EDGE_TEST
](&state
->jit_context
,
475 * Begin a new occlusion query.
476 * This is a bin command put in all bins.
480 lp_rast_begin_query(struct lp_rasterizer_task
*task
,
481 const union lp_rast_cmd_arg arg
)
483 struct llvmpipe_query
*pq
= arg
.query_obj
;
486 case PIPE_QUERY_OCCLUSION_COUNTER
:
487 case PIPE_QUERY_OCCLUSION_PREDICATE
:
488 pq
->start
[task
->thread_index
] = task
->thread_data
.vis_counter
;
490 case PIPE_QUERY_PIPELINE_STATISTICS
:
491 pq
->start
[task
->thread_index
] = task
->ps_invocations
;
501 * End the current occlusion query.
502 * This is a bin command put in all bins.
506 lp_rast_end_query(struct lp_rasterizer_task
*task
,
507 const union lp_rast_cmd_arg arg
)
509 struct llvmpipe_query
*pq
= arg
.query_obj
;
512 case PIPE_QUERY_OCCLUSION_COUNTER
:
513 case PIPE_QUERY_OCCLUSION_PREDICATE
:
514 pq
->end
[task
->thread_index
] +=
515 task
->thread_data
.vis_counter
- pq
->start
[task
->thread_index
];
516 pq
->start
[task
->thread_index
] = 0;
518 case PIPE_QUERY_TIMESTAMP
:
519 pq
->end
[task
->thread_index
] = os_time_get_nano();
521 case PIPE_QUERY_PIPELINE_STATISTICS
:
522 pq
->end
[task
->thread_index
] +=
523 task
->ps_invocations
- pq
->start
[task
->thread_index
];
524 pq
->start
[task
->thread_index
] = 0;
534 lp_rast_set_state(struct lp_rasterizer_task
*task
,
535 const union lp_rast_cmd_arg arg
)
537 task
->state
= arg
.state
;
543 * Called when we're done writing to a color tile.
546 lp_rast_tile_end(struct lp_rasterizer_task
*task
)
550 for (i
= 0; i
< task
->scene
->num_active_queries
; ++i
) {
551 lp_rast_end_query(task
, lp_rast_arg_query(task
->scene
->active_queries
[i
]));
555 memset(task
->color_tiles
, 0, sizeof(task
->color_tiles
));
556 task
->depth_tile
= NULL
;
561 static lp_rast_cmd_func dispatch
[LP_RAST_OP_MAX
] =
564 lp_rast_clear_zstencil
,
573 lp_rast_triangle_3_4
,
574 lp_rast_triangle_3_16
,
575 lp_rast_triangle_4_16
,
577 lp_rast_shade_tile_opaque
,
581 lp_rast_triangle_32_1
,
582 lp_rast_triangle_32_2
,
583 lp_rast_triangle_32_3
,
584 lp_rast_triangle_32_4
,
585 lp_rast_triangle_32_5
,
586 lp_rast_triangle_32_6
,
587 lp_rast_triangle_32_7
,
588 lp_rast_triangle_32_8
,
589 lp_rast_triangle_32_3_4
,
590 lp_rast_triangle_32_3_16
,
591 lp_rast_triangle_32_4_16
596 do_rasterize_bin(struct lp_rasterizer_task
*task
,
597 const struct cmd_bin
*bin
,
600 const struct cmd_block
*block
;
604 lp_debug_bin(bin
, x
, y
);
606 for (block
= bin
->head
; block
; block
= block
->next
) {
607 for (k
= 0; k
< block
->count
; k
++) {
608 dispatch
[block
->cmd
[k
]]( task
, block
->arg
[k
] );
616 * Rasterize commands for a single bin.
617 * \param x, y position of the bin's tile in the framebuffer
618 * Must be called between lp_rast_begin() and lp_rast_end().
622 rasterize_bin(struct lp_rasterizer_task
*task
,
623 const struct cmd_bin
*bin
, int x
, int y
)
625 lp_rast_tile_begin( task
, bin
, x
, y
);
627 do_rasterize_bin(task
, bin
, x
, y
);
629 lp_rast_tile_end(task
);
634 if (bin
->head
->count
== 1) {
635 if (bin
->head
->cmd
[0] == LP_RAST_OP_SHADE_TILE_OPAQUE
)
636 LP_COUNT(nr_pure_shade_opaque_64
);
637 else if (bin
->head
->cmd
[0] == LP_RAST_OP_SHADE_TILE
)
638 LP_COUNT(nr_pure_shade_64
);
643 /* An empty bin is one that just loads the contents of the tile and
644 * stores them again unchanged. This typically happens when bins have
645 * been flushed for some reason in the middle of a frame, or when
646 * incremental updates are being made to a render target.
648 * Try to avoid doing pointless work in this case.
651 is_empty_bin( const struct cmd_bin
*bin
)
653 return bin
->head
== NULL
;
658 * Rasterize/execute all bins within a scene.
662 rasterize_scene(struct lp_rasterizer_task
*task
,
663 struct lp_scene
*scene
)
667 if (!task
->rast
->no_rast
&& !scene
->discard
) {
668 /* loop over scene bins, rasterize each */
674 while ((bin
= lp_scene_bin_iter_next(scene
, &i
, &j
))) {
675 if (!is_empty_bin( bin
))
676 rasterize_bin(task
, bin
, i
, j
);
683 lp_fence_signal(scene
->fence
);
691 * Called by setup module when it has something for us to render.
694 lp_rast_queue_scene( struct lp_rasterizer
*rast
,
695 struct lp_scene
*scene
)
697 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
699 if (rast
->num_threads
== 0) {
701 unsigned fpstate
= util_fpstate_get();
703 /* Make sure that denorms are treated like zeros. This is
704 * the behavior required by D3D10. OpenGL doesn't care.
706 util_fpstate_set_denorms_to_zero(fpstate
);
708 lp_rast_begin( rast
, scene
);
710 rasterize_scene( &rast
->tasks
[0], scene
);
714 util_fpstate_set(fpstate
);
716 rast
->curr_scene
= NULL
;
719 /* threaded rendering! */
722 lp_scene_enqueue( rast
->full_scenes
, scene
);
724 /* signal the threads that there's work to do */
725 for (i
= 0; i
< rast
->num_threads
; i
++) {
726 pipe_semaphore_signal(&rast
->tasks
[i
].work_ready
);
730 LP_DBG(DEBUG_SETUP
, "%s done \n", __FUNCTION__
);
735 lp_rast_finish( struct lp_rasterizer
*rast
)
737 if (rast
->num_threads
== 0) {
743 /* wait for work to complete */
744 for (i
= 0; i
< rast
->num_threads
; i
++) {
745 pipe_semaphore_wait(&rast
->tasks
[i
].work_done
);
752 * This is the thread's main entrypoint.
753 * It's a simple loop:
756 * 3. signal that we're done
758 static PIPE_THREAD_ROUTINE( thread_function
, init_data
)
760 struct lp_rasterizer_task
*task
= (struct lp_rasterizer_task
*) init_data
;
761 struct lp_rasterizer
*rast
= task
->rast
;
762 boolean debug
= false;
763 char thread_name
[16];
766 util_snprintf(thread_name
, sizeof thread_name
, "llvmpipe-%u", task
->thread_index
);
767 pipe_thread_setname(thread_name
);
769 /* Make sure that denorms are treated like zeros. This is
770 * the behavior required by D3D10. OpenGL doesn't care.
772 fpstate
= util_fpstate_get();
773 util_fpstate_set_denorms_to_zero(fpstate
);
778 debug_printf("thread %d waiting for work\n", task
->thread_index
);
779 pipe_semaphore_wait(&task
->work_ready
);
784 if (task
->thread_index
== 0) {
786 * - get next scene to rasterize
787 * - map the framebuffer surfaces
790 lp_scene_dequeue( rast
->full_scenes
, TRUE
) );
793 /* Wait for all threads to get here so that threads[1+] don't
794 * get a null rast->curr_scene pointer.
796 pipe_barrier_wait( &rast
->barrier
);
800 debug_printf("thread %d doing work\n", task
->thread_index
);
802 rasterize_scene(task
,
805 /* wait for all threads to finish with this scene */
806 pipe_barrier_wait( &rast
->barrier
);
808 /* XXX: shouldn't be necessary:
810 if (task
->thread_index
== 0) {
814 /* signal done with work */
816 debug_printf("thread %d done working\n", task
->thread_index
);
818 pipe_semaphore_signal(&task
->work_done
);
822 pipe_semaphore_signal(&task
->work_done
);
830 * Initialize semaphores and spawn the threads.
833 create_rast_threads(struct lp_rasterizer
*rast
)
837 /* NOTE: if num_threads is zero, we won't use any threads */
838 for (i
= 0; i
< rast
->num_threads
; i
++) {
839 pipe_semaphore_init(&rast
->tasks
[i
].work_ready
, 0);
840 pipe_semaphore_init(&rast
->tasks
[i
].work_done
, 0);
841 rast
->threads
[i
] = pipe_thread_create(thread_function
,
842 (void *) &rast
->tasks
[i
]);
849 * Create new lp_rasterizer. If num_threads is zero, don't create any
850 * new threads, do rendering synchronously.
851 * \param num_threads number of rasterizer threads to create
853 struct lp_rasterizer
*
854 lp_rast_create( unsigned num_threads
)
856 struct lp_rasterizer
*rast
;
859 rast
= CALLOC_STRUCT(lp_rasterizer
);
864 rast
->full_scenes
= lp_scene_queue_create();
865 if (!rast
->full_scenes
) {
869 for (i
= 0; i
< Elements(rast
->tasks
); i
++) {
870 struct lp_rasterizer_task
*task
= &rast
->tasks
[i
];
872 task
->thread_index
= i
;
875 rast
->num_threads
= num_threads
;
877 rast
->no_rast
= debug_get_bool_option("LP_NO_RAST", FALSE
);
879 create_rast_threads(rast
);
881 /* for synchronizing rasterization threads */
882 pipe_barrier_init( &rast
->barrier
, rast
->num_threads
);
884 memset(lp_dummy_tile
, 0, sizeof lp_dummy_tile
);
897 void lp_rast_destroy( struct lp_rasterizer
*rast
)
901 /* Set exit_flag and signal each thread's work_ready semaphore.
902 * Each thread will be woken up, notice that the exit_flag is set and
903 * break out of its main loop. The thread will then exit.
905 rast
->exit_flag
= TRUE
;
906 for (i
= 0; i
< rast
->num_threads
; i
++) {
907 pipe_semaphore_signal(&rast
->tasks
[i
].work_ready
);
910 /* Wait for threads to terminate before cleaning up per-thread data.
911 * We don't actually call pipe_thread_wait to avoid dead lock on Windows
912 * per https://bugs.freedesktop.org/show_bug.cgi?id=76252 */
913 for (i
= 0; i
< rast
->num_threads
; i
++) {
915 pipe_semaphore_wait(&rast
->tasks
[i
].work_done
);
917 pipe_thread_wait(rast
->threads
[i
]);
921 /* Clean up per-thread data */
922 for (i
= 0; i
< rast
->num_threads
; i
++) {
923 pipe_semaphore_destroy(&rast
->tasks
[i
].work_ready
);
924 pipe_semaphore_destroy(&rast
->tasks
[i
].work_done
);
927 /* for synchronizing rasterization threads */
928 pipe_barrier_destroy( &rast
->barrier
);
930 lp_scene_queue_destroy(rast
->full_scenes
);