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 "draw/draw_pipe.h"
43 #include "lp_context.h"
44 #include "lp_memory.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 boolean
set_scene_state( struct lp_setup_context
*, enum setup_state
,
62 static boolean
try_update_scene_state( struct lp_setup_context
*setup
);
66 lp_setup_get_empty_scene(struct lp_setup_context
*setup
)
68 struct llvmpipe_context
*lp
= llvmpipe_context(setup
->pipe
);
69 boolean discard
= lp
->rasterizer
? lp
->rasterizer
->rasterizer_discard
: FALSE
;
71 assert(setup
->scene
== NULL
);
74 setup
->scene_idx
%= Elements(setup
->scenes
);
76 setup
->scene
= setup
->scenes
[setup
->scene_idx
];
78 if (setup
->scene
->fence
) {
79 if (LP_DEBUG
& DEBUG_SETUP
)
80 debug_printf("%s: wait for scene %d\n",
81 __FUNCTION__
, setup
->scene
->fence
->id
);
83 lp_fence_wait(setup
->scene
->fence
);
86 lp_scene_begin_binning(setup
->scene
, &setup
->fb
, discard
);
92 first_triangle( struct lp_setup_context
*setup
,
97 assert(setup
->state
== SETUP_ACTIVE
);
98 lp_setup_choose_triangle( setup
);
99 setup
->triangle( setup
, v0
, v1
, v2
);
103 first_line( struct lp_setup_context
*setup
,
104 const float (*v0
)[4],
105 const float (*v1
)[4])
107 assert(setup
->state
== SETUP_ACTIVE
);
108 lp_setup_choose_line( setup
);
109 setup
->line( setup
, v0
, v1
);
113 first_point( struct lp_setup_context
*setup
,
114 const float (*v0
)[4])
116 assert(setup
->state
== SETUP_ACTIVE
);
117 lp_setup_choose_point( setup
);
118 setup
->point( setup
, v0
);
121 void lp_setup_reset( struct lp_setup_context
*setup
)
125 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
127 /* Reset derived state */
128 for (i
= 0; i
< Elements(setup
->constants
); ++i
) {
129 setup
->constants
[i
].stored_size
= 0;
130 setup
->constants
[i
].stored_data
= NULL
;
132 setup
->fs
.stored
= NULL
;
140 memset(&setup
->clear
, 0, sizeof setup
->clear
);
142 /* Have an explicit "start-binning" call and get rid of this
145 setup
->line
= first_line
;
146 setup
->point
= first_point
;
147 setup
->triangle
= first_triangle
;
151 /** Rasterize all scene's bins */
153 lp_setup_rasterize_scene( struct lp_setup_context
*setup
)
155 struct lp_scene
*scene
= setup
->scene
;
156 struct llvmpipe_screen
*screen
= llvmpipe_screen(scene
->pipe
->screen
);
158 lp_scene_end_binning(scene
);
160 lp_fence_reference(&setup
->last_fence
, scene
->fence
);
162 if (setup
->last_fence
)
163 setup
->last_fence
->issued
= TRUE
;
165 pipe_mutex_lock(screen
->rast_mutex
);
166 lp_rast_queue_scene(screen
->rast
, scene
);
167 lp_rast_finish(screen
->rast
);
168 pipe_mutex_unlock(screen
->rast_mutex
);
170 lp_scene_end_rasterization(setup
->scene
);
171 lp_setup_reset( setup
);
173 LP_DBG(DEBUG_SETUP
, "%s done \n", __FUNCTION__
);
179 begin_binning( struct lp_setup_context
*setup
)
181 struct lp_scene
*scene
= setup
->scene
;
182 boolean need_zsload
= FALSE
;
187 assert(scene
->fence
== NULL
);
189 /* Always create a fence:
191 scene
->fence
= lp_fence_create(MAX2(1, setup
->num_threads
));
195 /* Initialize the bin flags and x/y coords:
197 for (i
= 0; i
< scene
->tiles_x
; i
++) {
198 for (j
= 0; j
< scene
->tiles_y
; j
++) {
199 scene
->tile
[i
][j
].x
= i
;
200 scene
->tile
[i
][j
].y
= j
;
204 ok
= try_update_scene_state(setup
);
208 if (setup
->fb
.zsbuf
&&
209 ((setup
->clear
.flags
& PIPE_CLEAR_DEPTHSTENCIL
) != PIPE_CLEAR_DEPTHSTENCIL
) &&
210 util_format_is_depth_and_stencil(setup
->fb
.zsbuf
->format
))
213 LP_DBG(DEBUG_SETUP
, "%s color: %s depth: %s\n", __FUNCTION__
,
214 (setup
->clear
.flags
& PIPE_CLEAR_COLOR
) ? "clear": "load",
215 need_zsload
? "clear": "load");
217 if (setup
->fb
.nr_cbufs
) {
218 if (setup
->clear
.flags
& PIPE_CLEAR_COLOR
) {
219 ok
= lp_scene_bin_everywhere( scene
,
220 LP_RAST_OP_CLEAR_COLOR
,
221 setup
->clear
.color
);
227 if (setup
->fb
.zsbuf
) {
228 if (setup
->clear
.flags
& PIPE_CLEAR_DEPTHSTENCIL
) {
230 scene
->has_depthstencil_clear
= TRUE
;
232 ok
= lp_scene_bin_everywhere( scene
,
233 LP_RAST_OP_CLEAR_ZSTENCIL
,
235 setup
->clear
.zsvalue
,
236 setup
->clear
.zsmask
));
242 for (i
= 0; i
< PIPE_QUERY_TYPES
; ++i
) {
243 if (setup
->active_query
[i
]) {
244 ok
= lp_scene_bin_everywhere( scene
,
245 LP_RAST_OP_BEGIN_QUERY
,
246 lp_rast_arg_query(setup
->active_query
[i
]) );
252 setup
->clear
.flags
= 0;
253 setup
->clear
.zsmask
= 0;
254 setup
->clear
.zsvalue
= 0;
256 LP_DBG(DEBUG_SETUP
, "%s done\n", __FUNCTION__
);
261 /* This basically bins and then flushes any outstanding full-screen
264 * TODO: fast path for fullscreen clears and no triangles.
267 execute_clears( struct lp_setup_context
*setup
)
269 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
271 return begin_binning( setup
);
274 const char *states
[] = {
282 set_scene_state( struct lp_setup_context
*setup
,
283 enum setup_state new_state
,
286 unsigned old_state
= setup
->state
;
288 if (old_state
== new_state
)
291 if (LP_DEBUG
& DEBUG_SCENE
) {
292 debug_printf("%s old %s new %s%s%s\n",
296 (new_state
== SETUP_FLUSHED
) ? ": " : "",
297 (new_state
== SETUP_FLUSHED
) ? reason
: "");
299 if (new_state
== SETUP_FLUSHED
&& setup
->scene
)
300 lp_debug_draw_bins_by_cmd_length(setup
->scene
);
303 /* wait for a free/empty scene
305 if (old_state
== SETUP_FLUSHED
)
306 lp_setup_get_empty_scene(setup
);
313 if (!begin_binning( setup
))
318 if (old_state
== SETUP_CLEARED
)
319 if (!execute_clears( setup
))
322 lp_setup_rasterize_scene( setup
);
323 assert(setup
->scene
== NULL
);
327 assert(0 && "invalid setup state mode");
331 setup
->state
= new_state
;
336 lp_scene_end_rasterization(setup
->scene
);
340 setup
->state
= SETUP_FLUSHED
;
341 lp_setup_reset( setup
);
347 lp_setup_flush( struct lp_setup_context
*setup
,
348 struct pipe_fence_handle
**fence
,
351 set_scene_state( setup
, SETUP_FLUSHED
, reason
);
354 lp_fence_reference((struct lp_fence
**)fence
, setup
->last_fence
);
360 lp_setup_bind_framebuffer( struct lp_setup_context
*setup
,
361 const struct pipe_framebuffer_state
*fb
)
363 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
365 /* Flush any old scene.
367 set_scene_state( setup
, SETUP_FLUSHED
, __FUNCTION__
);
370 * Ensure the old scene is not reused.
372 assert(!setup
->scene
);
374 /* Set new state. This will be picked up later when we next need a
377 util_copy_framebuffer_state(&setup
->fb
, fb
);
378 setup
->framebuffer
.x0
= 0;
379 setup
->framebuffer
.y0
= 0;
380 setup
->framebuffer
.x1
= fb
->width
-1;
381 setup
->framebuffer
.y1
= fb
->height
-1;
382 setup
->dirty
|= LP_SETUP_NEW_SCISSOR
;
387 lp_setup_try_clear( struct lp_setup_context
*setup
,
394 uint32_t zsvalue
= 0;
395 union lp_rast_cmd_arg color_arg
;
398 LP_DBG(DEBUG_SETUP
, "%s state %d\n", __FUNCTION__
, setup
->state
);
400 if (flags
& PIPE_CLEAR_COLOR
) {
401 for (i
= 0; i
< 4; i
++)
402 color_arg
.clear_color
[i
] = color
[i
];
405 if (flags
& PIPE_CLEAR_DEPTHSTENCIL
) {
406 uint32_t zmask
= (flags
& PIPE_CLEAR_DEPTH
) ? ~0 : 0;
407 uint32_t smask
= (flags
& PIPE_CLEAR_STENCIL
) ? ~0 : 0;
409 zsvalue
= util_pack_z_stencil(setup
->fb
.zsbuf
->format
,
414 zsmask
= util_pack_mask_z_stencil(setup
->fb
.zsbuf
->format
,
421 if (setup
->state
== SETUP_ACTIVE
) {
422 struct lp_scene
*scene
= setup
->scene
;
424 /* Add the clear to existing scene. In the unusual case where
425 * both color and depth-stencil are being cleared when there's
426 * already been some rendering, we could discard the currently
427 * binned scene and start again, but I don't see that as being
430 if (flags
& PIPE_CLEAR_COLOR
) {
431 if (!lp_scene_bin_everywhere( scene
,
432 LP_RAST_OP_CLEAR_COLOR
,
437 if (flags
& PIPE_CLEAR_DEPTHSTENCIL
) {
438 if (!lp_scene_bin_everywhere( scene
,
439 LP_RAST_OP_CLEAR_ZSTENCIL
,
440 lp_rast_arg_clearzs(zsvalue
, zsmask
) ))
445 /* Put ourselves into the 'pre-clear' state, specifically to try
446 * and accumulate multiple clears to color and depth_stencil
447 * buffers which the app or state-tracker might issue
450 set_scene_state( setup
, SETUP_CLEARED
, __FUNCTION__
);
452 setup
->clear
.flags
|= flags
;
454 if (flags
& PIPE_CLEAR_DEPTHSTENCIL
) {
455 setup
->clear
.zsmask
|= zsmask
;
456 setup
->clear
.zsvalue
=
457 (setup
->clear
.zsvalue
& ~zsmask
) | (zsvalue
& zsmask
);
460 if (flags
& PIPE_CLEAR_COLOR
) {
461 memcpy(setup
->clear
.color
.clear_color
,
463 sizeof setup
->clear
.color
.clear_color
);
471 lp_setup_clear( struct lp_setup_context
*setup
,
477 if (!lp_setup_try_clear( setup
, color
, depth
, stencil
, flags
)) {
478 lp_setup_flush(setup
, NULL
, __FUNCTION__
);
480 if (!lp_setup_try_clear( setup
, color
, depth
, stencil
, flags
))
490 lp_setup_set_triangle_state( struct lp_setup_context
*setup
,
492 boolean ccw_is_frontface
,
494 boolean gl_rasterization_rules
)
496 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
498 setup
->ccw_is_frontface
= ccw_is_frontface
;
499 setup
->cullmode
= cull_mode
;
500 setup
->triangle
= first_triangle
;
501 setup
->pixel_offset
= gl_rasterization_rules
? 0.5f
: 0.0f
;
503 if (setup
->scissor_test
!= scissor
) {
504 setup
->dirty
|= LP_SETUP_NEW_SCISSOR
;
505 setup
->scissor_test
= scissor
;
510 lp_setup_set_line_state( struct lp_setup_context
*setup
,
513 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
515 setup
->line_width
= line_width
;
519 lp_setup_set_point_state( struct lp_setup_context
*setup
,
521 boolean point_size_per_vertex
,
522 uint sprite_coord_enable
,
523 uint sprite_coord_origin
)
525 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
527 setup
->point_size
= point_size
;
528 setup
->sprite_coord_enable
= sprite_coord_enable
;
529 setup
->sprite_coord_origin
= sprite_coord_origin
;
530 setup
->point_size_per_vertex
= point_size_per_vertex
;
534 lp_setup_set_setup_variant( struct lp_setup_context
*setup
,
535 const struct lp_setup_variant
*variant
)
537 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
539 setup
->setup
.variant
= variant
;
543 lp_setup_set_fs_variant( struct lp_setup_context
*setup
,
544 struct lp_fragment_shader_variant
*variant
)
546 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
,
548 /* FIXME: reference count */
550 setup
->fs
.current
.variant
= variant
;
551 setup
->dirty
|= LP_SETUP_NEW_FS
;
555 lp_setup_set_fs_constants(struct lp_setup_context
*setup
,
557 struct pipe_constant_buffer
*buffers
)
561 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *) buffers
);
563 assert(num
<= Elements(setup
->constants
));
565 for (i
= 0; i
< num
; ++i
) {
566 util_copy_constant_buffer(&setup
->constants
[i
].current
, &buffers
[i
]);
568 for (; i
< Elements(setup
->constants
); i
++) {
569 util_copy_constant_buffer(&setup
->constants
[i
].current
, NULL
);
571 setup
->dirty
|= LP_SETUP_NEW_CONSTANTS
;
576 lp_setup_set_alpha_ref_value( struct lp_setup_context
*setup
,
577 float alpha_ref_value
)
579 LP_DBG(DEBUG_SETUP
, "%s %f\n", __FUNCTION__
, alpha_ref_value
);
581 if(setup
->fs
.current
.jit_context
.alpha_ref_value
!= alpha_ref_value
) {
582 setup
->fs
.current
.jit_context
.alpha_ref_value
= alpha_ref_value
;
583 setup
->dirty
|= LP_SETUP_NEW_FS
;
588 lp_setup_set_stencil_ref_values( struct lp_setup_context
*setup
,
589 const ubyte refs
[2] )
591 LP_DBG(DEBUG_SETUP
, "%s %d %d\n", __FUNCTION__
, refs
[0], refs
[1]);
593 if (setup
->fs
.current
.jit_context
.stencil_ref_front
!= refs
[0] ||
594 setup
->fs
.current
.jit_context
.stencil_ref_back
!= refs
[1]) {
595 setup
->fs
.current
.jit_context
.stencil_ref_front
= refs
[0];
596 setup
->fs
.current
.jit_context
.stencil_ref_back
= refs
[1];
597 setup
->dirty
|= LP_SETUP_NEW_FS
;
602 lp_setup_set_blend_color( struct lp_setup_context
*setup
,
603 const struct pipe_blend_color
*blend_color
)
605 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
609 if(memcmp(&setup
->blend_color
.current
, blend_color
, sizeof *blend_color
) != 0) {
610 memcpy(&setup
->blend_color
.current
, blend_color
, sizeof *blend_color
);
611 setup
->dirty
|= LP_SETUP_NEW_BLEND_COLOR
;
617 lp_setup_set_scissor( struct lp_setup_context
*setup
,
618 const struct pipe_scissor_state
*scissor
)
620 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
624 setup
->scissor
.x0
= scissor
->minx
;
625 setup
->scissor
.x1
= scissor
->maxx
-1;
626 setup
->scissor
.y0
= scissor
->miny
;
627 setup
->scissor
.y1
= scissor
->maxy
-1;
628 setup
->dirty
|= LP_SETUP_NEW_SCISSOR
;
633 lp_setup_set_flatshade_first( struct lp_setup_context
*setup
,
634 boolean flatshade_first
)
636 setup
->flatshade_first
= flatshade_first
;
640 lp_setup_set_rasterizer_discard( struct lp_setup_context
*setup
,
641 boolean rasterizer_discard
)
643 if (setup
->rasterizer_discard
!= rasterizer_discard
) {
644 setup
->rasterizer_discard
= rasterizer_discard
;
645 set_scene_state( setup
, SETUP_FLUSHED
, __FUNCTION__
);
650 lp_setup_set_vertex_info( struct lp_setup_context
*setup
,
651 struct vertex_info
*vertex_info
)
653 /* XXX: just silently holding onto the pointer:
655 setup
->vertex_info
= vertex_info
;
660 * Called during state validation when LP_NEW_SAMPLER_VIEW is set.
663 lp_setup_set_fragment_sampler_views(struct lp_setup_context
*setup
,
665 struct pipe_sampler_view
**views
)
669 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
671 assert(num
<= PIPE_MAX_SAMPLERS
);
673 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
674 struct pipe_sampler_view
*view
= i
< num
? views
[i
] : NULL
;
677 struct pipe_resource
*tex
= view
->texture
;
678 struct llvmpipe_resource
*lp_tex
= llvmpipe_resource(tex
);
679 struct lp_jit_texture
*jit_tex
;
680 jit_tex
= &setup
->fs
.current
.jit_context
.textures
[i
];
681 jit_tex
->width
= tex
->width0
;
682 jit_tex
->height
= tex
->height0
;
683 jit_tex
->first_level
= view
->u
.tex
.first_level
;
684 jit_tex
->last_level
= tex
->last_level
;
686 if (tex
->target
== PIPE_TEXTURE_3D
) {
687 jit_tex
->depth
= tex
->depth0
;
690 jit_tex
->depth
= tex
->array_size
;
693 /* We're referencing the texture's internal data, so save a
696 pipe_resource_reference(&setup
->fs
.current_tex
[i
], tex
);
699 /* regular texture - setup array of mipmap level offsets */
703 * XXX this is messed up we don't want to accidentally trigger
704 * tiled->linear conversion for levels we don't need.
705 * So ask for first_level data (which will allocate all levels)
706 * then if successful get base ptr.
708 mip_ptr
= llvmpipe_get_texture_image_all(lp_tex
, view
->u
.tex
.first_level
,
710 LP_TEX_LAYOUT_LINEAR
);
711 if ((LP_PERF
& PERF_TEX_MEM
) || !mip_ptr
) {
712 /* out of memory - use dummy tile memory */
713 jit_tex
->base
= lp_dummy_tile
;
714 jit_tex
->width
= TILE_SIZE
/8;
715 jit_tex
->height
= TILE_SIZE
/8;
717 jit_tex
->first_level
= 0;
718 jit_tex
->last_level
= 0;
721 jit_tex
->base
= lp_tex
->linear_img
.data
;
723 for (j
= view
->u
.tex
.first_level
; j
<= tex
->last_level
; j
++) {
724 mip_ptr
= llvmpipe_get_texture_image_all(lp_tex
, j
,
726 LP_TEX_LAYOUT_LINEAR
);
727 jit_tex
->mip_offsets
[j
] = (uint8_t *)mip_ptr
- (uint8_t *)jit_tex
->base
;
729 * could get mip offset directly but need call above to
730 * invoke tiled->linear conversion.
732 assert(lp_tex
->linear_mip_offsets
[j
] == jit_tex
->mip_offsets
[j
]);
733 jit_tex
->row_stride
[j
] = lp_tex
->row_stride
[j
];
734 jit_tex
->img_stride
[j
] = lp_tex
->img_stride
[j
];
736 if (jit_tex
->base
== lp_dummy_tile
) {
737 /* out of memory - use dummy tile memory */
738 jit_tex
->mip_offsets
[j
] = 0;
739 jit_tex
->row_stride
[j
] = 0;
740 jit_tex
->img_stride
[j
] = 0;
745 /* display target texture/surface */
747 * XXX: Where should this be unmapped?
749 struct llvmpipe_screen
*screen
= llvmpipe_screen(tex
->screen
);
750 struct sw_winsys
*winsys
= screen
->winsys
;
751 jit_tex
->base
= winsys
->displaytarget_map(winsys
, lp_tex
->dt
,
753 jit_tex
->row_stride
[0] = lp_tex
->row_stride
[0];
754 jit_tex
->img_stride
[0] = lp_tex
->img_stride
[0];
755 jit_tex
->mip_offsets
[0] = 0;
756 assert(jit_tex
->base
);
761 setup
->dirty
|= LP_SETUP_NEW_FS
;
766 * Called during state validation when LP_NEW_SAMPLER is set.
769 lp_setup_set_fragment_sampler_state(struct lp_setup_context
*setup
,
771 struct pipe_sampler_state
**samplers
)
775 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
777 assert(num
<= PIPE_MAX_SAMPLERS
);
779 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
780 const struct pipe_sampler_state
*sampler
= i
< num
? samplers
[i
] : NULL
;
783 struct lp_jit_texture
*jit_tex
;
784 jit_tex
= &setup
->fs
.current
.jit_context
.textures
[i
];
786 jit_tex
->min_lod
= sampler
->min_lod
;
787 jit_tex
->max_lod
= sampler
->max_lod
;
788 jit_tex
->lod_bias
= sampler
->lod_bias
;
789 COPY_4V(jit_tex
->border_color
, sampler
->border_color
.f
);
793 setup
->dirty
|= LP_SETUP_NEW_FS
;
798 * Is the given texture referenced by any scene?
799 * Note: we have to check all scenes including any scenes currently
800 * being rendered and the current scene being built.
803 lp_setup_is_resource_referenced( const struct lp_setup_context
*setup
,
804 const struct pipe_resource
*texture
)
808 /* check the render targets */
809 for (i
= 0; i
< setup
->fb
.nr_cbufs
; i
++) {
810 if (setup
->fb
.cbufs
[i
]->texture
== texture
)
811 return LP_REFERENCED_FOR_READ
| LP_REFERENCED_FOR_WRITE
;
813 if (setup
->fb
.zsbuf
&& setup
->fb
.zsbuf
->texture
== texture
) {
814 return LP_REFERENCED_FOR_READ
| LP_REFERENCED_FOR_WRITE
;
817 /* check textures referenced by the scene */
818 for (i
= 0; i
< Elements(setup
->scenes
); i
++) {
819 if (lp_scene_is_resource_referenced(setup
->scenes
[i
], texture
)) {
820 return LP_REFERENCED_FOR_READ
;
824 return LP_UNREFERENCED
;
829 * Called by vbuf code when we're about to draw something.
832 try_update_scene_state( struct lp_setup_context
*setup
)
834 boolean new_scene
= (setup
->fs
.stored
== NULL
);
835 struct lp_scene
*scene
= setup
->scene
;
840 if(setup
->dirty
& LP_SETUP_NEW_BLEND_COLOR
) {
846 /* Alloc u8_blend_color (16 x i8) and f_blend_color (4 or 8 x f32) */
847 size
= 4 * 16 * sizeof(uint8_t);
848 size
+= (LP_MAX_VECTOR_LENGTH
/ 4) * sizeof(float);
849 stored
= lp_scene_alloc_aligned(scene
, size
, LP_MAX_VECTOR_LENGTH
);
856 /* Store floating point colour */
857 fstored
= (float*)(stored
+ 4*16);
858 for (i
= 0; i
< (LP_MAX_VECTOR_LENGTH
/ 4); ++i
) {
859 fstored
[i
] = setup
->blend_color
.current
.color
[i
% 4];
862 /* smear each blend color component across 16 ubyte elements */
863 for (i
= 0; i
< 4; ++i
) {
864 uint8_t c
= float_to_ubyte(setup
->blend_color
.current
.color
[i
]);
865 for (j
= 0; j
< 16; ++j
)
866 stored
[i
*16 + j
] = c
;
869 setup
->blend_color
.stored
= stored
;
870 setup
->fs
.current
.jit_context
.u8_blend_color
= stored
;
871 setup
->fs
.current
.jit_context
.f_blend_color
= fstored
;
872 setup
->dirty
|= LP_SETUP_NEW_FS
;
875 if (setup
->dirty
& LP_SETUP_NEW_CONSTANTS
) {
876 for (i
= 0; i
< Elements(setup
->constants
); ++i
) {
877 struct pipe_resource
*buffer
= setup
->constants
[i
].current
.buffer
;
878 const unsigned current_size
= setup
->constants
[i
].current
.buffer_size
;
879 const ubyte
*current_data
= NULL
;
882 /* resource buffer */
883 current_data
= (ubyte
*) llvmpipe_resource_data(buffer
);
885 else if (setup
->constants
[i
].current
.user_buffer
) {
886 /* user-space buffer */
887 current_data
= (ubyte
*) setup
->constants
[i
].current
.user_buffer
;
891 current_data
+= setup
->constants
[i
].current
.buffer_offset
;
893 /* TODO: copy only the actually used constants? */
895 if (setup
->constants
[i
].stored_size
!= current_size
||
896 !setup
->constants
[i
].stored_data
||
897 memcmp(setup
->constants
[i
].stored_data
,
899 current_size
) != 0) {
902 stored
= lp_scene_alloc(scene
, current_size
);
911 setup
->constants
[i
].stored_size
= current_size
;
912 setup
->constants
[i
].stored_data
= stored
;
916 setup
->constants
[i
].stored_size
= 0;
917 setup
->constants
[i
].stored_data
= NULL
;
920 setup
->fs
.current
.jit_context
.constants
[i
] = setup
->constants
[i
].stored_data
;
921 setup
->dirty
|= LP_SETUP_NEW_FS
;
926 if (setup
->dirty
& LP_SETUP_NEW_FS
) {
927 if (!setup
->fs
.stored
||
928 memcmp(setup
->fs
.stored
,
930 sizeof setup
->fs
.current
) != 0)
932 struct lp_rast_state
*stored
;
934 /* The fs state that's been stored in the scene is different from
935 * the new, current state. So allocate a new lp_rast_state object
936 * and append it to the bin's setup data buffer.
938 stored
= (struct lp_rast_state
*) lp_scene_alloc(scene
, sizeof *stored
);
946 sizeof setup
->fs
.current
);
947 setup
->fs
.stored
= stored
;
949 /* The scene now references the textures in the rasterization
950 * state record. Note that now.
952 for (i
= 0; i
< Elements(setup
->fs
.current_tex
); i
++) {
953 if (setup
->fs
.current_tex
[i
]) {
954 if (!lp_scene_add_resource_reference(scene
,
955 setup
->fs
.current_tex
[i
],
965 if (setup
->dirty
& LP_SETUP_NEW_SCISSOR
) {
966 setup
->draw_region
= setup
->framebuffer
;
967 if (setup
->scissor_test
) {
968 u_rect_possible_intersection(&setup
->scissor
,
969 &setup
->draw_region
);
975 assert(setup
->fs
.stored
);
980 lp_setup_update_state( struct lp_setup_context
*setup
,
981 boolean update_scene
)
983 /* Some of the 'draw' pipeline stages may have changed some driver state.
984 * Make sure we've processed those state changes before anything else.
986 * XXX this is the only place where llvmpipe_context is used in the
987 * setup code. This may get refactored/changed...
990 struct llvmpipe_context
*lp
= llvmpipe_context(setup
->pipe
);
992 llvmpipe_update_derived(lp
);
995 if (lp
->setup
->dirty
) {
996 llvmpipe_update_setup(lp
);
999 assert(setup
->setup
.variant
);
1001 /* Will probably need to move this somewhere else, just need
1002 * to know about vertex shader point size attribute.
1004 setup
->psize
= lp
->psize_slot
;
1006 assert(lp
->dirty
== 0);
1008 assert(lp
->setup_variant
.key
.size
==
1009 setup
->setup
.variant
->key
.size
);
1011 assert(memcmp(&lp
->setup_variant
.key
,
1012 &setup
->setup
.variant
->key
,
1013 setup
->setup
.variant
->key
.size
) == 0);
1016 if (update_scene
&& setup
->state
!= SETUP_ACTIVE
) {
1017 if (!set_scene_state( setup
, SETUP_ACTIVE
, __FUNCTION__
))
1021 /* Only call into update_scene_state() if we already have a
1024 if (update_scene
&& setup
->scene
) {
1025 assert(setup
->state
== SETUP_ACTIVE
);
1027 if (try_update_scene_state(setup
))
1030 /* Update failed, try to restart the scene.
1032 * Cannot call lp_setup_flush_and_restart() directly here
1033 * because of potential recursion.
1035 if (!set_scene_state(setup
, SETUP_FLUSHED
, __FUNCTION__
))
1038 if (!set_scene_state(setup
, SETUP_ACTIVE
, __FUNCTION__
))
1044 return try_update_scene_state(setup
);
1052 /* Only caller is lp_setup_vbuf_destroy()
1055 lp_setup_destroy( struct lp_setup_context
*setup
)
1059 lp_setup_reset( setup
);
1061 util_unreference_framebuffer_state(&setup
->fb
);
1063 for (i
= 0; i
< Elements(setup
->fs
.current_tex
); i
++) {
1064 pipe_resource_reference(&setup
->fs
.current_tex
[i
], NULL
);
1067 for (i
= 0; i
< Elements(setup
->constants
); i
++) {
1068 pipe_resource_reference(&setup
->constants
[i
].current
.buffer
, NULL
);
1071 /* free the scenes in the 'empty' queue */
1072 for (i
= 0; i
< Elements(setup
->scenes
); i
++) {
1073 struct lp_scene
*scene
= setup
->scenes
[i
];
1076 lp_fence_wait(scene
->fence
);
1078 lp_scene_destroy(scene
);
1081 lp_fence_reference(&setup
->last_fence
, NULL
);
1088 * Create a new primitive tiling engine. Plug it into the backend of
1089 * the draw module. Currently also creates a rasterizer to use with
1092 struct lp_setup_context
*
1093 lp_setup_create( struct pipe_context
*pipe
,
1094 struct draw_context
*draw
)
1096 struct llvmpipe_screen
*screen
= llvmpipe_screen(pipe
->screen
);
1097 struct lp_setup_context
*setup
;
1100 setup
= CALLOC_STRUCT(lp_setup_context
);
1105 lp_setup_init_vbuf(setup
);
1107 /* Used only in update_state():
1112 setup
->num_threads
= screen
->num_threads
;
1113 setup
->vbuf
= draw_vbuf_stage(draw
, &setup
->base
);
1118 draw_set_rasterize_stage(draw
, setup
->vbuf
);
1119 draw_set_render(draw
, &setup
->base
);
1121 /* create some empty scenes */
1122 for (i
= 0; i
< MAX_SCENES
; i
++) {
1123 setup
->scenes
[i
] = lp_scene_create( pipe
);
1124 if (!setup
->scenes
[i
]) {
1129 setup
->triangle
= first_triangle
;
1130 setup
->line
= first_line
;
1131 setup
->point
= first_point
;
1138 for (i
= 0; i
< MAX_SCENES
; i
++) {
1139 if (setup
->scenes
[i
]) {
1140 lp_scene_destroy(setup
->scenes
[i
]);
1144 setup
->vbuf
->destroy(setup
->vbuf
);
1153 * Put a BeginQuery command into all bins.
1156 lp_setup_begin_query(struct lp_setup_context
*setup
,
1157 struct llvmpipe_query
*pq
)
1159 /* init the query to its beginning state */
1160 assert(setup
->active_query
[pq
->type
] == NULL
);
1162 set_scene_state(setup
, SETUP_ACTIVE
, "begin_query");
1164 setup
->active_query
[pq
->type
] = pq
;
1166 /* XXX: It is possible that a query is created before the scene
1167 * has been created. This means that setup->scene == NULL resulting
1168 * in the query not being binned and thus is ignored.
1172 if (!lp_scene_bin_everywhere(setup
->scene
,
1173 LP_RAST_OP_BEGIN_QUERY
,
1174 lp_rast_arg_query(pq
))) {
1176 if (!lp_setup_flush_and_restart(setup
))
1179 if (!lp_scene_bin_everywhere(setup
->scene
,
1180 LP_RAST_OP_BEGIN_QUERY
,
1181 lp_rast_arg_query(pq
))) {
1190 * Put an EndQuery command into all bins.
1193 lp_setup_end_query(struct lp_setup_context
*setup
, struct llvmpipe_query
*pq
)
1195 set_scene_state(setup
, SETUP_ACTIVE
, "end_query");
1197 if (pq
->type
!= PIPE_QUERY_TIMESTAMP
) {
1198 assert(setup
->active_query
[pq
->type
] == pq
);
1199 setup
->active_query
[pq
->type
] = NULL
;
1202 /* Setup will automatically re-issue any query which carried over a
1203 * scene boundary, and the rasterizer automatically "ends" queries
1204 * which are active at the end of a scene, so there is no need to
1205 * retry this commands on failure.
1208 /* pq->fence should be the fence of the *last* scene which
1209 * contributed to the query result.
1211 lp_fence_reference(&pq
->fence
, setup
->scene
->fence
);
1213 if (!lp_scene_bin_everywhere(setup
->scene
,
1214 LP_RAST_OP_END_QUERY
,
1215 lp_rast_arg_query(pq
))) {
1216 lp_setup_flush(setup
, NULL
, __FUNCTION__
);
1220 lp_fence_reference(&pq
->fence
, setup
->last_fence
);
1226 lp_setup_flush_and_restart(struct lp_setup_context
*setup
)
1228 if (0) debug_printf("%s\n", __FUNCTION__
);
1230 assert(setup
->state
== SETUP_ACTIVE
);
1232 if (!set_scene_state(setup
, SETUP_FLUSHED
, __FUNCTION__
))
1235 if (!lp_setup_update_state(setup
, TRUE
))