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 * Builds per-tile display lists and executes them on calls to
37 #include "pipe/p_defines.h"
38 #include "util/u_framebuffer.h"
39 #include "util/u_inlines.h"
40 #include "util/u_memory.h"
41 #include "util/u_pack_color.h"
42 #include "lp_context.h"
43 #include "lp_memory.h"
45 #include "lp_scene_queue.h"
46 #include "lp_texture.h"
51 #include "lp_setup_context.h"
52 #include "lp_screen.h"
54 #include "state_tracker/sw_winsys.h"
56 #include "draw/draw_context.h"
57 #include "draw/draw_vbuf.h"
60 static void set_scene_state( struct lp_setup_context
*, enum setup_state
);
64 lp_setup_get_current_scene(struct lp_setup_context
*setup
)
67 set_scene_state( setup
, SETUP_EMPTY
);
74 * Check if the size of the current scene has exceeded the limit.
75 * If so, flush/render it.
78 setup_check_scene_size_and_flush(struct lp_setup_context
*setup
)
81 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
82 unsigned size
= lp_scene_get_size(scene
);
84 if (size
> LP_MAX_SCENE_SIZE
) {
85 /*printf("LLVMPIPE: scene size = %u, flushing.\n", size);*/
86 set_scene_state( setup
, SETUP_FLUSHED
);
87 /*assert(lp_scene_get_size(scene) == 0);*/
94 first_triangle( struct lp_setup_context
*setup
,
99 set_scene_state( setup
, SETUP_ACTIVE
);
100 lp_setup_choose_triangle( setup
);
101 setup
->triangle( setup
, v0
, v1
, v2
);
105 first_line( struct lp_setup_context
*setup
,
106 const float (*v0
)[4],
107 const float (*v1
)[4])
109 set_scene_state( setup
, SETUP_ACTIVE
);
110 lp_setup_choose_line( setup
);
111 setup
->line( setup
, v0
, v1
);
115 first_point( struct lp_setup_context
*setup
,
116 const float (*v0
)[4])
118 set_scene_state( setup
, SETUP_ACTIVE
);
119 lp_setup_choose_point( setup
);
120 setup
->point( setup
, v0
);
123 static void reset_context( struct lp_setup_context
*setup
)
125 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
127 /* Reset derived state */
128 setup
->constants
.stored_size
= 0;
129 setup
->constants
.stored_data
= NULL
;
130 setup
->fs
.stored
= NULL
;
138 setup
->clear
.flags
= 0;
139 setup
->clear
.clearzs
.clearzs_mask
= 0;
141 /* Have an explicit "start-binning" call and get rid of this
144 setup
->line
= first_line
;
145 setup
->point
= first_point
;
146 setup
->triangle
= first_triangle
;
150 /** Rasterize all scene's bins */
152 lp_setup_rasterize_scene( struct lp_setup_context
*setup
)
154 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
155 struct llvmpipe_screen
*screen
= llvmpipe_screen(scene
->pipe
->screen
);
157 pipe_mutex_lock(screen
->rast_mutex
);
158 lp_scene_rasterize(scene
, screen
->rast
);
159 pipe_mutex_unlock(screen
->rast_mutex
);
161 reset_context( setup
);
163 LP_DBG(DEBUG_SETUP
, "%s done \n", __FUNCTION__
);
169 begin_binning( struct lp_setup_context
*setup
)
171 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
172 boolean need_zsload
= FALSE
;
173 if (setup
->fb
.zsbuf
&&
174 ((setup
->clear
.flags
& PIPE_CLEAR_DEPTHSTENCIL
) != PIPE_CLEAR_DEPTHSTENCIL
) &&
175 util_format_is_depth_and_stencil(setup
->fb
.zsbuf
->format
))
178 LP_DBG(DEBUG_SETUP
, "%s color: %s depth: %s\n", __FUNCTION__
,
179 (setup
->clear
.flags
& PIPE_CLEAR_COLOR
) ? "clear": "load",
180 need_zsload
? "clear": "load");
182 if (setup
->fb
.nr_cbufs
) {
183 if (setup
->clear
.flags
& PIPE_CLEAR_COLOR
) {
184 lp_scene_bin_everywhere( scene
,
186 setup
->clear
.color
);
187 scene
->has_color_clear
= TRUE
;
191 if (setup
->fb
.zsbuf
) {
192 if (setup
->clear
.flags
& PIPE_CLEAR_DEPTHSTENCIL
) {
194 scene
->has_depthstencil_clear
= TRUE
;
195 lp_scene_bin_everywhere( scene
,
196 lp_rast_clear_zstencil
,
197 lp_rast_arg_clearzs(&setup
->clear
.clearzs
) );
201 LP_DBG(DEBUG_SETUP
, "%s done\n", __FUNCTION__
);
205 /* This basically bins and then flushes any outstanding full-screen
208 * TODO: fast path for fullscreen clears and no triangles.
211 execute_clears( struct lp_setup_context
*setup
)
213 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
215 begin_binning( setup
);
216 lp_setup_rasterize_scene( setup
);
221 set_scene_state( struct lp_setup_context
*setup
,
222 enum setup_state new_state
)
224 unsigned old_state
= setup
->state
;
226 if (old_state
== new_state
)
229 LP_DBG(DEBUG_SETUP
, "%s old %d new %d\n", __FUNCTION__
, old_state
, new_state
);
233 assert(old_state
== SETUP_FLUSHED
);
234 assert(setup
->scene
== NULL
);
236 /* wait for a free/empty scene
238 setup
->scene
= lp_scene_dequeue(setup
->empty_scenes
, TRUE
);
239 assert(lp_scene_is_empty(setup
->scene
));
240 lp_scene_begin_binning(setup
->scene
,
245 assert(old_state
== SETUP_EMPTY
);
246 assert(setup
->scene
!= NULL
);
250 assert(old_state
== SETUP_EMPTY
||
251 old_state
== SETUP_CLEARED
);
252 assert(setup
->scene
!= NULL
);
253 begin_binning( setup
);
257 if (old_state
== SETUP_CLEARED
)
258 execute_clears( setup
);
260 lp_setup_rasterize_scene( setup
);
261 assert(setup
->scene
== NULL
);
265 assert(0 && "invalid setup state mode");
268 setup
->state
= new_state
;
273 * \param flags bitmask of PIPE_FLUSH_x flags
276 lp_setup_flush( struct lp_setup_context
*setup
,
278 struct pipe_fence_handle
**fence
)
280 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
284 /* if we're going to flush the setup/rasterization modules, emit
287 *fence
= lp_setup_fence( setup
);
292 set_scene_state( setup
, SETUP_FLUSHED
);
297 lp_setup_bind_framebuffer( struct lp_setup_context
*setup
,
298 const struct pipe_framebuffer_state
*fb
)
300 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
302 /* Flush any old scene.
304 set_scene_state( setup
, SETUP_FLUSHED
);
307 * Ensure the old scene is not reused.
309 assert(!setup
->scene
);
311 /* Set new state. This will be picked up later when we next need a
314 util_copy_framebuffer_state(&setup
->fb
, fb
);
319 lp_setup_clear( struct lp_setup_context
*setup
,
325 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
327 boolean full_zs_clear
= TRUE
;
330 LP_DBG(DEBUG_SETUP
, "%s state %d\n", __FUNCTION__
, setup
->state
);
333 if (flags
& PIPE_CLEAR_COLOR
) {
334 for (i
= 0; i
< 4; ++i
)
335 setup
->clear
.color
.clear_color
[i
] = float_to_ubyte(color
[i
]);
338 if (flags
& PIPE_CLEAR_DEPTHSTENCIL
) {
339 if (setup
->fb
.zsbuf
&&
340 ((flags
& PIPE_CLEAR_DEPTHSTENCIL
) != PIPE_CLEAR_DEPTHSTENCIL
) &&
341 util_format_is_depth_and_stencil(setup
->fb
.zsbuf
->format
))
342 full_zs_clear
= FALSE
;
345 setup
->clear
.clearzs
.clearzs_value
=
346 util_pack_z_stencil(setup
->fb
.zsbuf
->format
,
349 setup
->clear
.clearzs
.clearzs_mask
= 0xffffffff;
354 if (flags
& PIPE_CLEAR_DEPTH
) {
355 tmpval
= util_pack_z(setup
->fb
.zsbuf
->format
,
357 switch (setup
->fb
.zsbuf
->format
) {
358 case PIPE_FORMAT_Z24_UNORM_S8_USCALED
:
361 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
369 switch (setup
->fb
.zsbuf
->format
) {
370 case PIPE_FORMAT_Z24_UNORM_S8_USCALED
:
372 tmpval
= stencil
<< 24;
374 case PIPE_FORMAT_S8_USCALED_Z24_UNORM
:
383 setup
->clear
.clearzs
.clearzs_mask
|= mask
;
384 setup
->clear
.clearzs
.clearzs_value
=
385 (setup
->clear
.clearzs
.clearzs_value
& ~mask
) | (tmpval
& mask
);
389 if (setup
->state
== SETUP_ACTIVE
) {
390 /* Add the clear to existing scene. In the unusual case where
391 * both color and depth-stencil are being cleared when there's
392 * already been some rendering, we could discard the currently
393 * binned scene and start again, but I don't see that as being
396 if (flags
& PIPE_CLEAR_COLOR
) {
397 lp_scene_bin_everywhere( scene
,
399 setup
->clear
.color
);
400 scene
->has_color_clear
= TRUE
;
403 if (flags
& PIPE_CLEAR_DEPTHSTENCIL
) {
405 scene
->has_depthstencil_clear
= TRUE
;
407 setup
->clear
.clearzs
.clearzs_mask
= mask
;
408 lp_scene_bin_everywhere( scene
,
409 lp_rast_clear_zstencil
,
410 lp_rast_arg_clearzs(&setup
->clear
.clearzs
) );
417 /* Put ourselves into the 'pre-clear' state, specifically to try
418 * and accumulate multiple clears to color and depth_stencil
419 * buffers which the app or state-tracker might issue
422 set_scene_state( setup
, SETUP_CLEARED
);
424 setup
->clear
.flags
|= flags
;
432 struct pipe_fence_handle
*
433 lp_setup_fence( struct lp_setup_context
*setup
)
435 if (setup
->scene
== NULL
)
437 else if (setup
->num_threads
== 0)
441 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
442 const unsigned rank
= setup
->num_threads
;
444 set_scene_state( setup
, SETUP_ACTIVE
);
446 assert(scene
->fence
== NULL
);
448 /* The caller gets a reference, we keep a copy too, so need to
451 lp_fence_reference(&scene
->fence
, lp_fence_create(rank
));
453 LP_DBG(DEBUG_SETUP
, "%s rank %u\n", __FUNCTION__
, rank
);
455 return (struct pipe_fence_handle
*) scene
->fence
;
461 lp_setup_set_triangle_state( struct lp_setup_context
*setup
,
463 boolean ccw_is_frontface
,
465 boolean gl_rasterization_rules
)
467 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
469 setup
->ccw_is_frontface
= ccw_is_frontface
;
470 setup
->cullmode
= cull_mode
;
471 setup
->triangle
= first_triangle
;
472 setup
->scissor_test
= scissor
;
473 setup
->pixel_offset
= gl_rasterization_rules
? 0.5f
: 0.0f
;
479 lp_setup_set_fs_inputs( struct lp_setup_context
*setup
,
480 const struct lp_shader_input
*input
,
483 LP_DBG(DEBUG_SETUP
, "%s %p %u\n", __FUNCTION__
, (void *) input
, nr
);
485 memcpy( setup
->fs
.input
, input
, nr
* sizeof input
[0] );
486 setup
->fs
.nr_inputs
= nr
;
490 lp_setup_set_fs_variant( struct lp_setup_context
*setup
,
491 struct lp_fragment_shader_variant
*variant
)
493 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
,
495 /* FIXME: reference count */
497 setup
->fs
.current
.variant
= variant
;
498 setup
->dirty
|= LP_SETUP_NEW_FS
;
502 lp_setup_set_fs_constants(struct lp_setup_context
*setup
,
503 struct pipe_resource
*buffer
)
505 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *) buffer
);
507 pipe_resource_reference(&setup
->constants
.current
, buffer
);
509 setup
->dirty
|= LP_SETUP_NEW_CONSTANTS
;
514 lp_setup_set_alpha_ref_value( struct lp_setup_context
*setup
,
515 float alpha_ref_value
)
517 LP_DBG(DEBUG_SETUP
, "%s %f\n", __FUNCTION__
, alpha_ref_value
);
519 if(setup
->fs
.current
.jit_context
.alpha_ref_value
!= alpha_ref_value
) {
520 setup
->fs
.current
.jit_context
.alpha_ref_value
= alpha_ref_value
;
521 setup
->dirty
|= LP_SETUP_NEW_FS
;
526 lp_setup_set_stencil_ref_values( struct lp_setup_context
*setup
,
527 const ubyte refs
[2] )
529 LP_DBG(DEBUG_SETUP
, "%s %d %d\n", __FUNCTION__
, refs
[0], refs
[1]);
531 if (setup
->fs
.current
.jit_context
.stencil_ref_front
!= refs
[0] ||
532 setup
->fs
.current
.jit_context
.stencil_ref_back
!= refs
[1]) {
533 setup
->fs
.current
.jit_context
.stencil_ref_front
= refs
[0];
534 setup
->fs
.current
.jit_context
.stencil_ref_back
= refs
[1];
535 setup
->dirty
|= LP_SETUP_NEW_FS
;
540 lp_setup_set_blend_color( struct lp_setup_context
*setup
,
541 const struct pipe_blend_color
*blend_color
)
543 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
547 if(memcmp(&setup
->blend_color
.current
, blend_color
, sizeof *blend_color
) != 0) {
548 memcpy(&setup
->blend_color
.current
, blend_color
, sizeof *blend_color
);
549 setup
->dirty
|= LP_SETUP_NEW_BLEND_COLOR
;
555 lp_setup_set_scissor( struct lp_setup_context
*setup
,
556 const struct pipe_scissor_state
*scissor
)
558 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
562 if (memcmp(&setup
->scissor
.current
, scissor
, sizeof(*scissor
)) != 0) {
563 setup
->scissor
.current
= *scissor
; /* struct copy */
564 setup
->dirty
|= LP_SETUP_NEW_SCISSOR
;
570 lp_setup_set_flatshade_first( struct lp_setup_context
*setup
,
571 boolean flatshade_first
)
573 setup
->flatshade_first
= flatshade_first
;
578 lp_setup_set_vertex_info( struct lp_setup_context
*setup
,
579 struct vertex_info
*vertex_info
)
581 /* XXX: just silently holding onto the pointer:
583 setup
->vertex_info
= vertex_info
;
588 * Called during state validation when LP_NEW_SAMPLER_VIEW is set.
591 lp_setup_set_fragment_sampler_views(struct lp_setup_context
*setup
,
593 struct pipe_sampler_view
**views
)
597 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
599 assert(num
<= PIPE_MAX_SAMPLERS
);
601 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
602 struct pipe_sampler_view
*view
= i
< num
? views
[i
] : NULL
;
605 struct pipe_resource
*tex
= view
->texture
;
606 struct llvmpipe_resource
*lp_tex
= llvmpipe_resource(tex
);
607 struct lp_jit_texture
*jit_tex
;
608 jit_tex
= &setup
->fs
.current
.jit_context
.textures
[i
];
609 jit_tex
->width
= tex
->width0
;
610 jit_tex
->height
= tex
->height0
;
611 jit_tex
->depth
= tex
->depth0
;
612 jit_tex
->last_level
= tex
->last_level
;
614 /* We're referencing the texture's internal data, so save a
617 pipe_resource_reference(&setup
->fs
.current_tex
[i
], tex
);
620 /* regular texture - setup array of mipmap level pointers */
622 for (j
= 0; j
<= tex
->last_level
; j
++) {
624 llvmpipe_get_texture_image_all(lp_tex
, j
, LP_TEX_USAGE_READ
,
625 LP_TEX_LAYOUT_LINEAR
);
626 jit_tex
->row_stride
[j
] = lp_tex
->row_stride
[j
];
627 jit_tex
->img_stride
[j
] = lp_tex
->img_stride
[j
];
629 if (!jit_tex
->data
[j
]) {
630 /* out of memory - use dummy tile memory */
631 jit_tex
->data
[j
] = lp_dummy_tile
;
632 jit_tex
->width
= TILE_SIZE
;
633 jit_tex
->height
= TILE_SIZE
;
635 jit_tex
->last_level
= 0;
636 jit_tex
->row_stride
[j
] = 0;
637 jit_tex
->img_stride
[j
] = 0;
642 /* display target texture/surface */
644 * XXX: Where should this be unmapped?
646 struct llvmpipe_screen
*screen
= llvmpipe_screen(tex
->screen
);
647 struct sw_winsys
*winsys
= screen
->winsys
;
648 jit_tex
->data
[0] = winsys
->displaytarget_map(winsys
, lp_tex
->dt
,
650 jit_tex
->row_stride
[0] = lp_tex
->row_stride
[0];
651 jit_tex
->img_stride
[0] = lp_tex
->img_stride
[0];
652 assert(jit_tex
->data
[0]);
657 setup
->dirty
|= LP_SETUP_NEW_FS
;
662 * Is the given texture referenced by any scene?
663 * Note: we have to check all scenes including any scenes currently
664 * being rendered and the current scene being built.
667 lp_setup_is_resource_referenced( const struct lp_setup_context
*setup
,
668 const struct pipe_resource
*texture
)
672 /* check the render targets */
673 for (i
= 0; i
< setup
->fb
.nr_cbufs
; i
++) {
674 if (setup
->fb
.cbufs
[i
]->texture
== texture
)
675 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
677 if (setup
->fb
.zsbuf
&& setup
->fb
.zsbuf
->texture
== texture
) {
678 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
681 /* check textures referenced by the scene */
682 for (i
= 0; i
< Elements(setup
->scenes
); i
++) {
683 if (lp_scene_is_resource_referenced(setup
->scenes
[i
], texture
)) {
684 return PIPE_REFERENCED_FOR_READ
;
688 return PIPE_UNREFERENCED
;
693 * Called by vbuf code when we're about to draw something.
696 lp_setup_update_state( struct lp_setup_context
*setup
)
698 struct lp_scene
*scene
;
700 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
702 setup_check_scene_size_and_flush(setup
);
704 scene
= lp_setup_get_current_scene(setup
);
706 assert(setup
->fs
.current
.variant
);
708 /* Some of the 'draw' pipeline stages may have changed some driver state.
709 * Make sure we've processed those state changes before anything else.
711 * XXX this is the only place where llvmpipe_context is used in the
712 * setup code. This may get refactored/changed...
715 struct llvmpipe_context
*lp
= llvmpipe_context(scene
->pipe
);
717 llvmpipe_update_derived(lp
);
719 assert(lp
->dirty
== 0);
722 if(setup
->dirty
& LP_SETUP_NEW_BLEND_COLOR
) {
726 stored
= lp_scene_alloc_aligned(scene
, 4 * 16, 16);
729 /* smear each blend color component across 16 ubyte elements */
730 for (i
= 0; i
< 4; ++i
) {
731 uint8_t c
= float_to_ubyte(setup
->blend_color
.current
.color
[i
]);
732 for (j
= 0; j
< 16; ++j
)
733 stored
[i
*16 + j
] = c
;
736 setup
->blend_color
.stored
= stored
;
738 setup
->fs
.current
.jit_context
.blend_color
= setup
->blend_color
.stored
;
741 setup
->dirty
|= LP_SETUP_NEW_FS
;
744 if(setup
->dirty
& LP_SETUP_NEW_CONSTANTS
) {
745 struct pipe_resource
*buffer
= setup
->constants
.current
;
748 unsigned current_size
= buffer
->width0
;
749 const void *current_data
= llvmpipe_resource_data(buffer
);
751 /* TODO: copy only the actually used constants? */
753 if(setup
->constants
.stored_size
!= current_size
||
754 !setup
->constants
.stored_data
||
755 memcmp(setup
->constants
.stored_data
,
757 current_size
) != 0) {
760 stored
= lp_scene_alloc(scene
, current_size
);
765 setup
->constants
.stored_size
= current_size
;
766 setup
->constants
.stored_data
= stored
;
771 setup
->constants
.stored_size
= 0;
772 setup
->constants
.stored_data
= NULL
;
775 setup
->fs
.current
.jit_context
.constants
= setup
->constants
.stored_data
;
776 setup
->dirty
|= LP_SETUP_NEW_FS
;
780 if(setup
->dirty
& LP_SETUP_NEW_FS
) {
781 if(!setup
->fs
.stored
||
782 memcmp(setup
->fs
.stored
,
784 sizeof setup
->fs
.current
) != 0) {
785 /* The fs state that's been stored in the scene is different from
786 * the new, current state. So allocate a new lp_rast_state object
787 * and append it to the bin's setup data buffer.
790 struct lp_rast_state
*stored
=
791 (struct lp_rast_state
*) lp_scene_alloc(scene
, sizeof *stored
);
795 sizeof setup
->fs
.current
);
796 setup
->fs
.stored
= stored
;
799 /* The scene now references the textures in the rasterization
800 * state record. Note that now.
802 for (i
= 0; i
< Elements(setup
->fs
.current_tex
); i
++) {
803 if (setup
->fs
.current_tex
[i
])
804 lp_scene_add_resource_reference(scene
, setup
->fs
.current_tex
[i
]);
811 assert(setup
->fs
.stored
);
816 /* Only caller is lp_setup_vbuf_destroy()
819 lp_setup_destroy( struct lp_setup_context
*setup
)
823 reset_context( setup
);
825 util_unreference_framebuffer_state(&setup
->fb
);
827 for (i
= 0; i
< Elements(setup
->fs
.current_tex
); i
++) {
828 pipe_resource_reference(&setup
->fs
.current_tex
[i
], NULL
);
831 pipe_resource_reference(&setup
->constants
.current
, NULL
);
833 /* free the scenes in the 'empty' queue */
835 struct lp_scene
*scene
= lp_scene_dequeue(setup
->empty_scenes
, FALSE
);
838 lp_scene_destroy(scene
);
841 lp_scene_queue_destroy(setup
->empty_scenes
);
848 * Create a new primitive tiling engine. Plug it into the backend of
849 * the draw module. Currently also creates a rasterizer to use with
852 struct lp_setup_context
*
853 lp_setup_create( struct pipe_context
*pipe
,
854 struct draw_context
*draw
)
856 struct llvmpipe_screen
*screen
= llvmpipe_screen(pipe
->screen
);
857 struct lp_setup_context
*setup
= CALLOC_STRUCT(lp_setup_context
);
863 lp_setup_init_vbuf(setup
);
865 setup
->empty_scenes
= lp_scene_queue_create();
866 if (!setup
->empty_scenes
)
869 setup
->num_threads
= screen
->num_threads
;
870 setup
->vbuf
= draw_vbuf_stage(draw
, &setup
->base
);
874 draw_set_rasterize_stage(draw
, setup
->vbuf
);
875 draw_set_render(draw
, &setup
->base
);
877 /* create some empty scenes */
878 for (i
= 0; i
< MAX_SCENES
; i
++) {
879 setup
->scenes
[i
] = lp_scene_create( pipe
, setup
->empty_scenes
);
881 lp_scene_enqueue(setup
->empty_scenes
, setup
->scenes
[i
]);
884 setup
->triangle
= first_triangle
;
885 setup
->line
= first_line
;
886 setup
->point
= first_point
;
896 if (setup
->empty_scenes
)
897 lp_scene_queue_destroy(setup
->empty_scenes
);
905 * Put a BeginQuery command into all bins.
908 lp_setup_begin_query(struct lp_setup_context
*setup
,
909 struct llvmpipe_query
*pq
)
911 struct lp_scene
* scene
= lp_setup_get_current_scene(setup
);
912 union lp_rast_cmd_arg cmd_arg
;
914 /* init the query to its beginning state */
917 pq
->num_tiles
= scene
->tiles_x
* scene
->tiles_y
;
918 assert(pq
->num_tiles
> 0);
920 memset(pq
->count
, 0, sizeof(pq
->count
)); /* reset all counters */
922 set_scene_state( setup
, SETUP_ACTIVE
);
924 cmd_arg
.query_obj
= pq
;
925 lp_scene_bin_everywhere(scene
, lp_rast_begin_query
, cmd_arg
);
931 * Put an EndQuery command into all bins.
934 lp_setup_end_query(struct lp_setup_context
*setup
, struct llvmpipe_query
*pq
)
936 struct lp_scene
* scene
= lp_setup_get_current_scene(setup
);
937 union lp_rast_cmd_arg cmd_arg
;
939 set_scene_state( setup
, SETUP_ACTIVE
);
941 cmd_arg
.query_obj
= pq
;
942 lp_scene_bin_everywhere(scene
, lp_rast_end_query
, cmd_arg
);