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
,
388 const union pipe_color_union
*color
,
394 uint64_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
[i
] = color
->i
[i
];
405 if (flags
& PIPE_CLEAR_DEPTHSTENCIL
) {
406 uint32_t zmask
= (flags
& PIPE_CLEAR_DEPTH
) ? ~0 : 0;
407 uint8_t smask
= (flags
& PIPE_CLEAR_STENCIL
) ? ~0 : 0;
409 zsvalue
= util_pack64_z_stencil(setup
->fb
.zsbuf
->format
,
414 zsmask
= util_pack64_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
,
472 const union pipe_color_union
*color
,
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 half_pixel_center
,
495 boolean bottom_edge_rule
)
497 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
499 setup
->ccw_is_frontface
= ccw_is_frontface
;
500 setup
->cullmode
= cull_mode
;
501 setup
->triangle
= first_triangle
;
502 setup
->pixel_offset
= half_pixel_center
? 0.5f
: 0.0f
;
503 setup
->bottom_edge_rule
= bottom_edge_rule
;
505 if (setup
->scissor_test
!= scissor
) {
506 setup
->dirty
|= LP_SETUP_NEW_SCISSOR
;
507 setup
->scissor_test
= scissor
;
512 lp_setup_set_line_state( struct lp_setup_context
*setup
,
515 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
517 setup
->line_width
= line_width
;
521 lp_setup_set_point_state( struct lp_setup_context
*setup
,
523 boolean point_size_per_vertex
,
524 uint sprite_coord_enable
,
525 uint sprite_coord_origin
)
527 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
529 setup
->point_size
= point_size
;
530 setup
->sprite_coord_enable
= sprite_coord_enable
;
531 setup
->sprite_coord_origin
= sprite_coord_origin
;
532 setup
->point_size_per_vertex
= point_size_per_vertex
;
536 lp_setup_set_setup_variant( struct lp_setup_context
*setup
,
537 const struct lp_setup_variant
*variant
)
539 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
541 setup
->setup
.variant
= variant
;
545 lp_setup_set_fs_variant( struct lp_setup_context
*setup
,
546 struct lp_fragment_shader_variant
*variant
)
548 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
,
550 /* FIXME: reference count */
552 setup
->fs
.current
.variant
= variant
;
553 setup
->dirty
|= LP_SETUP_NEW_FS
;
557 lp_setup_set_fs_constants(struct lp_setup_context
*setup
,
559 struct pipe_constant_buffer
*buffers
)
563 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *) buffers
);
565 assert(num
<= Elements(setup
->constants
));
567 for (i
= 0; i
< num
; ++i
) {
568 util_copy_constant_buffer(&setup
->constants
[i
].current
, &buffers
[i
]);
570 for (; i
< Elements(setup
->constants
); i
++) {
571 util_copy_constant_buffer(&setup
->constants
[i
].current
, NULL
);
573 setup
->dirty
|= LP_SETUP_NEW_CONSTANTS
;
578 lp_setup_set_alpha_ref_value( struct lp_setup_context
*setup
,
579 float alpha_ref_value
)
581 LP_DBG(DEBUG_SETUP
, "%s %f\n", __FUNCTION__
, alpha_ref_value
);
583 if(setup
->fs
.current
.jit_context
.alpha_ref_value
!= alpha_ref_value
) {
584 setup
->fs
.current
.jit_context
.alpha_ref_value
= alpha_ref_value
;
585 setup
->dirty
|= LP_SETUP_NEW_FS
;
590 lp_setup_set_stencil_ref_values( struct lp_setup_context
*setup
,
591 const ubyte refs
[2] )
593 LP_DBG(DEBUG_SETUP
, "%s %d %d\n", __FUNCTION__
, refs
[0], refs
[1]);
595 if (setup
->fs
.current
.jit_context
.stencil_ref_front
!= refs
[0] ||
596 setup
->fs
.current
.jit_context
.stencil_ref_back
!= refs
[1]) {
597 setup
->fs
.current
.jit_context
.stencil_ref_front
= refs
[0];
598 setup
->fs
.current
.jit_context
.stencil_ref_back
= refs
[1];
599 setup
->dirty
|= LP_SETUP_NEW_FS
;
604 lp_setup_set_blend_color( struct lp_setup_context
*setup
,
605 const struct pipe_blend_color
*blend_color
)
607 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
611 if(memcmp(&setup
->blend_color
.current
, blend_color
, sizeof *blend_color
) != 0) {
612 memcpy(&setup
->blend_color
.current
, blend_color
, sizeof *blend_color
);
613 setup
->dirty
|= LP_SETUP_NEW_BLEND_COLOR
;
619 lp_setup_set_scissor( struct lp_setup_context
*setup
,
620 const struct pipe_scissor_state
*scissor
)
622 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
626 setup
->scissor
.x0
= scissor
->minx
;
627 setup
->scissor
.x1
= scissor
->maxx
-1;
628 setup
->scissor
.y0
= scissor
->miny
;
629 setup
->scissor
.y1
= scissor
->maxy
-1;
630 setup
->dirty
|= LP_SETUP_NEW_SCISSOR
;
635 lp_setup_set_flatshade_first( struct lp_setup_context
*setup
,
636 boolean flatshade_first
)
638 setup
->flatshade_first
= flatshade_first
;
642 lp_setup_set_rasterizer_discard( struct lp_setup_context
*setup
,
643 boolean rasterizer_discard
)
645 if (setup
->rasterizer_discard
!= rasterizer_discard
) {
646 setup
->rasterizer_discard
= rasterizer_discard
;
647 set_scene_state( setup
, SETUP_FLUSHED
, __FUNCTION__
);
652 lp_setup_set_vertex_info( struct lp_setup_context
*setup
,
653 struct vertex_info
*vertex_info
)
655 /* XXX: just silently holding onto the pointer:
657 setup
->vertex_info
= vertex_info
;
662 * Called during state validation when LP_NEW_SAMPLER_VIEW is set.
665 lp_setup_set_fragment_sampler_views(struct lp_setup_context
*setup
,
667 struct pipe_sampler_view
**views
)
671 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
673 assert(num
<= PIPE_MAX_SHADER_SAMPLER_VIEWS
);
675 for (i
= 0; i
< PIPE_MAX_SHADER_SAMPLER_VIEWS
; i
++) {
676 struct pipe_sampler_view
*view
= i
< num
? views
[i
] : NULL
;
679 struct pipe_resource
*res
= view
->texture
;
680 struct llvmpipe_resource
*lp_tex
= llvmpipe_resource(res
);
681 struct lp_jit_texture
*jit_tex
;
682 jit_tex
= &setup
->fs
.current
.jit_context
.textures
[i
];
684 /* We're referencing the texture's internal data, so save a
687 pipe_resource_reference(&setup
->fs
.current_tex
[i
], res
);
690 /* regular texture - setup array of mipmap level offsets */
693 unsigned first_level
= 0;
694 unsigned last_level
= 0;
696 if (llvmpipe_resource_is_texture(res
)) {
697 first_level
= view
->u
.tex
.first_level
;
698 last_level
= view
->u
.tex
.last_level
;
699 assert(first_level
<= last_level
);
700 assert(last_level
<= res
->last_level
);
703 * The complexity here is only necessary for depth textures which
706 mip_ptr
= llvmpipe_get_texture_image_all(lp_tex
, first_level
,
708 LP_TEX_LAYOUT_LINEAR
);
709 jit_tex
->base
= lp_tex
->linear_img
.data
;
712 mip_ptr
= lp_tex
->data
;
713 jit_tex
->base
= mip_ptr
;
716 if ((LP_PERF
& PERF_TEX_MEM
) || !mip_ptr
) {
717 /* out of memory - use dummy tile memory */
718 /* Note if using PERF_TEX_MEM will also skip tile conversion */
719 jit_tex
->base
= lp_dummy_tile
;
720 jit_tex
->width
= TILE_SIZE
/8;
721 jit_tex
->height
= TILE_SIZE
/8;
723 jit_tex
->first_level
= 0;
724 jit_tex
->last_level
= 0;
725 jit_tex
->mip_offsets
[0] = 0;
726 jit_tex
->row_stride
[0] = 0;
727 jit_tex
->img_stride
[0] = 0;
730 jit_tex
->width
= res
->width0
;
731 jit_tex
->height
= res
->height0
;
732 jit_tex
->depth
= res
->depth0
;
733 jit_tex
->first_level
= first_level
;
734 jit_tex
->last_level
= last_level
;
736 if (llvmpipe_resource_is_texture(res
)) {
737 for (j
= first_level
; j
<= last_level
; j
++) {
738 mip_ptr
= llvmpipe_get_texture_image_all(lp_tex
, j
,
740 LP_TEX_LAYOUT_LINEAR
);
741 jit_tex
->mip_offsets
[j
] = (uint8_t *)mip_ptr
- (uint8_t *)jit_tex
->base
;
743 * could get mip offset directly but need call above to
744 * invoke tiled->linear conversion.
746 assert(lp_tex
->linear_mip_offsets
[j
] == jit_tex
->mip_offsets
[j
]);
747 jit_tex
->row_stride
[j
] = lp_tex
->row_stride
[j
];
748 jit_tex
->img_stride
[j
] = lp_tex
->img_stride
[j
];
751 if (res
->target
== PIPE_TEXTURE_1D_ARRAY
||
752 res
->target
== PIPE_TEXTURE_2D_ARRAY
) {
754 * For array textures, we don't have first_layer, instead
755 * adjust last_layer (stored as depth) plus the mip level offsets
756 * (as we have mip-first layout can't just adjust base ptr).
757 * XXX For mip levels, could do something similar.
759 jit_tex
->depth
= view
->u
.tex
.last_layer
- view
->u
.tex
.first_layer
+ 1;
760 for (j
= first_level
; j
<= last_level
; j
++) {
761 jit_tex
->mip_offsets
[j
] += view
->u
.tex
.first_layer
*
762 lp_tex
->img_stride
[j
];
764 assert(view
->u
.tex
.first_layer
<= view
->u
.tex
.last_layer
);
765 assert(view
->u
.tex
.last_layer
< res
->array_size
);
770 * For buffers, we don't have first_element, instead adjust
771 * last_element (stored as width) plus the base pointer.
773 unsigned view_blocksize
= util_format_get_blocksize(view
->format
);
774 /* probably don't really need to fill that out */
775 jit_tex
->mip_offsets
[0] = 0;
776 jit_tex
->row_stride
[0] = 0;
777 jit_tex
->row_stride
[0] = 0;
779 /* everything specified in number of elements here. */
780 jit_tex
->width
= view
->u
.buf
.last_element
- view
->u
.buf
.first_element
+ 1;
781 jit_tex
->base
= (uint8_t *)jit_tex
->base
+ view
->u
.buf
.first_element
*
783 /* XXX Unsure if we need to sanitize parameters? */
784 assert(view
->u
.buf
.first_element
<= view
->u
.buf
.last_element
);
785 assert(view
->u
.buf
.last_element
* view_blocksize
< res
->width0
);
790 /* display target texture/surface */
792 * XXX: Where should this be unmapped?
794 struct llvmpipe_screen
*screen
= llvmpipe_screen(res
->screen
);
795 struct sw_winsys
*winsys
= screen
->winsys
;
796 jit_tex
->base
= winsys
->displaytarget_map(winsys
, lp_tex
->dt
,
798 jit_tex
->row_stride
[0] = lp_tex
->row_stride
[0];
799 jit_tex
->img_stride
[0] = lp_tex
->img_stride
[0];
800 jit_tex
->mip_offsets
[0] = 0;
801 jit_tex
->width
= res
->width0
;
802 jit_tex
->height
= res
->height0
;
803 jit_tex
->depth
= res
->depth0
;
804 jit_tex
->first_level
= jit_tex
->last_level
= 0;
805 assert(jit_tex
->base
);
810 setup
->dirty
|= LP_SETUP_NEW_FS
;
815 * Called during state validation when LP_NEW_SAMPLER is set.
818 lp_setup_set_fragment_sampler_state(struct lp_setup_context
*setup
,
820 struct pipe_sampler_state
**samplers
)
824 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
826 assert(num
<= PIPE_MAX_SAMPLERS
);
828 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
829 const struct pipe_sampler_state
*sampler
= i
< num
? samplers
[i
] : NULL
;
832 struct lp_jit_sampler
*jit_sam
;
833 jit_sam
= &setup
->fs
.current
.jit_context
.samplers
[i
];
835 jit_sam
->min_lod
= sampler
->min_lod
;
836 jit_sam
->max_lod
= sampler
->max_lod
;
837 jit_sam
->lod_bias
= sampler
->lod_bias
;
838 COPY_4V(jit_sam
->border_color
, sampler
->border_color
.f
);
842 setup
->dirty
|= LP_SETUP_NEW_FS
;
847 * Is the given texture referenced by any scene?
848 * Note: we have to check all scenes including any scenes currently
849 * being rendered and the current scene being built.
852 lp_setup_is_resource_referenced( const struct lp_setup_context
*setup
,
853 const struct pipe_resource
*texture
)
857 /* check the render targets */
858 for (i
= 0; i
< setup
->fb
.nr_cbufs
; i
++) {
859 if (setup
->fb
.cbufs
[i
]->texture
== texture
)
860 return LP_REFERENCED_FOR_READ
| LP_REFERENCED_FOR_WRITE
;
862 if (setup
->fb
.zsbuf
&& setup
->fb
.zsbuf
->texture
== texture
) {
863 return LP_REFERENCED_FOR_READ
| LP_REFERENCED_FOR_WRITE
;
866 /* check textures referenced by the scene */
867 for (i
= 0; i
< Elements(setup
->scenes
); i
++) {
868 if (lp_scene_is_resource_referenced(setup
->scenes
[i
], texture
)) {
869 return LP_REFERENCED_FOR_READ
;
873 return LP_UNREFERENCED
;
878 * Called by vbuf code when we're about to draw something.
881 try_update_scene_state( struct lp_setup_context
*setup
)
883 boolean new_scene
= (setup
->fs
.stored
== NULL
);
884 struct lp_scene
*scene
= setup
->scene
;
889 if(setup
->dirty
& LP_SETUP_NEW_BLEND_COLOR
) {
895 /* Alloc u8_blend_color (16 x i8) and f_blend_color (4 or 8 x f32) */
896 size
= 4 * 16 * sizeof(uint8_t);
897 size
+= (LP_MAX_VECTOR_LENGTH
/ 4) * sizeof(float);
898 stored
= lp_scene_alloc_aligned(scene
, size
, LP_MAX_VECTOR_LENGTH
);
905 /* Store floating point colour */
906 fstored
= (float*)(stored
+ 4*16);
907 for (i
= 0; i
< (LP_MAX_VECTOR_LENGTH
/ 4); ++i
) {
908 fstored
[i
] = setup
->blend_color
.current
.color
[i
% 4];
911 /* smear each blend color component across 16 ubyte elements */
912 for (i
= 0; i
< 4; ++i
) {
913 uint8_t c
= float_to_ubyte(setup
->blend_color
.current
.color
[i
]);
914 for (j
= 0; j
< 16; ++j
)
915 stored
[i
*16 + j
] = c
;
918 setup
->blend_color
.stored
= stored
;
919 setup
->fs
.current
.jit_context
.u8_blend_color
= stored
;
920 setup
->fs
.current
.jit_context
.f_blend_color
= fstored
;
921 setup
->dirty
|= LP_SETUP_NEW_FS
;
924 if (setup
->dirty
& LP_SETUP_NEW_CONSTANTS
) {
925 for (i
= 0; i
< Elements(setup
->constants
); ++i
) {
926 struct pipe_resource
*buffer
= setup
->constants
[i
].current
.buffer
;
927 const unsigned current_size
= setup
->constants
[i
].current
.buffer_size
;
928 const ubyte
*current_data
= NULL
;
931 /* resource buffer */
932 current_data
= (ubyte
*) llvmpipe_resource_data(buffer
);
934 else if (setup
->constants
[i
].current
.user_buffer
) {
935 /* user-space buffer */
936 current_data
= (ubyte
*) setup
->constants
[i
].current
.user_buffer
;
940 current_data
+= setup
->constants
[i
].current
.buffer_offset
;
942 /* TODO: copy only the actually used constants? */
944 if (setup
->constants
[i
].stored_size
!= current_size
||
945 !setup
->constants
[i
].stored_data
||
946 memcmp(setup
->constants
[i
].stored_data
,
948 current_size
) != 0) {
951 stored
= lp_scene_alloc(scene
, current_size
);
960 setup
->constants
[i
].stored_size
= current_size
;
961 setup
->constants
[i
].stored_data
= stored
;
965 setup
->constants
[i
].stored_size
= 0;
966 setup
->constants
[i
].stored_data
= NULL
;
969 setup
->fs
.current
.jit_context
.constants
[i
] = setup
->constants
[i
].stored_data
;
970 setup
->dirty
|= LP_SETUP_NEW_FS
;
975 if (setup
->dirty
& LP_SETUP_NEW_FS
) {
976 if (!setup
->fs
.stored
||
977 memcmp(setup
->fs
.stored
,
979 sizeof setup
->fs
.current
) != 0)
981 struct lp_rast_state
*stored
;
983 /* The fs state that's been stored in the scene is different from
984 * the new, current state. So allocate a new lp_rast_state object
985 * and append it to the bin's setup data buffer.
987 stored
= (struct lp_rast_state
*) lp_scene_alloc(scene
, sizeof *stored
);
995 sizeof setup
->fs
.current
);
996 setup
->fs
.stored
= stored
;
998 /* The scene now references the textures in the rasterization
999 * state record. Note that now.
1001 for (i
= 0; i
< Elements(setup
->fs
.current_tex
); i
++) {
1002 if (setup
->fs
.current_tex
[i
]) {
1003 if (!lp_scene_add_resource_reference(scene
,
1004 setup
->fs
.current_tex
[i
],
1014 if (setup
->dirty
& LP_SETUP_NEW_SCISSOR
) {
1015 setup
->draw_region
= setup
->framebuffer
;
1016 if (setup
->scissor_test
) {
1017 u_rect_possible_intersection(&setup
->scissor
,
1018 &setup
->draw_region
);
1020 /* If the framebuffer is large we have to think about fixed-point
1021 * integer overflow. For 2K by 2K images, coordinates need 15 bits
1022 * (2^11 + 4 subpixel bits). The product of two such numbers would
1023 * use 30 bits. Any larger and we could overflow a 32-bit int.
1025 * To cope with this problem we check if triangles are large and
1026 * subdivide them if needed.
1028 setup
->subdivide_large_triangles
= (setup
->fb
.width
> 2048 &&
1029 setup
->fb
.height
> 2048);
1034 assert(setup
->fs
.stored
);
1039 lp_setup_update_state( struct lp_setup_context
*setup
,
1040 boolean update_scene
)
1042 /* Some of the 'draw' pipeline stages may have changed some driver state.
1043 * Make sure we've processed those state changes before anything else.
1045 * XXX this is the only place where llvmpipe_context is used in the
1046 * setup code. This may get refactored/changed...
1049 struct llvmpipe_context
*lp
= llvmpipe_context(setup
->pipe
);
1051 llvmpipe_update_derived(lp
);
1054 if (lp
->setup
->dirty
) {
1055 llvmpipe_update_setup(lp
);
1058 assert(setup
->setup
.variant
);
1060 /* Will probably need to move this somewhere else, just need
1061 * to know about vertex shader point size attribute.
1063 setup
->psize
= lp
->psize_slot
;
1065 assert(lp
->dirty
== 0);
1067 assert(lp
->setup_variant
.key
.size
==
1068 setup
->setup
.variant
->key
.size
);
1070 assert(memcmp(&lp
->setup_variant
.key
,
1071 &setup
->setup
.variant
->key
,
1072 setup
->setup
.variant
->key
.size
) == 0);
1075 if (update_scene
&& setup
->state
!= SETUP_ACTIVE
) {
1076 if (!set_scene_state( setup
, SETUP_ACTIVE
, __FUNCTION__
))
1080 /* Only call into update_scene_state() if we already have a
1083 if (update_scene
&& setup
->scene
) {
1084 assert(setup
->state
== SETUP_ACTIVE
);
1086 if (try_update_scene_state(setup
))
1089 /* Update failed, try to restart the scene.
1091 * Cannot call lp_setup_flush_and_restart() directly here
1092 * because of potential recursion.
1094 if (!set_scene_state(setup
, SETUP_FLUSHED
, __FUNCTION__
))
1097 if (!set_scene_state(setup
, SETUP_ACTIVE
, __FUNCTION__
))
1103 return try_update_scene_state(setup
);
1111 /* Only caller is lp_setup_vbuf_destroy()
1114 lp_setup_destroy( struct lp_setup_context
*setup
)
1118 lp_setup_reset( setup
);
1120 util_unreference_framebuffer_state(&setup
->fb
);
1122 for (i
= 0; i
< Elements(setup
->fs
.current_tex
); i
++) {
1123 pipe_resource_reference(&setup
->fs
.current_tex
[i
], NULL
);
1126 for (i
= 0; i
< Elements(setup
->constants
); i
++) {
1127 pipe_resource_reference(&setup
->constants
[i
].current
.buffer
, NULL
);
1130 /* free the scenes in the 'empty' queue */
1131 for (i
= 0; i
< Elements(setup
->scenes
); i
++) {
1132 struct lp_scene
*scene
= setup
->scenes
[i
];
1135 lp_fence_wait(scene
->fence
);
1137 lp_scene_destroy(scene
);
1140 lp_fence_reference(&setup
->last_fence
, NULL
);
1147 * Create a new primitive tiling engine. Plug it into the backend of
1148 * the draw module. Currently also creates a rasterizer to use with
1151 struct lp_setup_context
*
1152 lp_setup_create( struct pipe_context
*pipe
,
1153 struct draw_context
*draw
)
1155 struct llvmpipe_screen
*screen
= llvmpipe_screen(pipe
->screen
);
1156 struct lp_setup_context
*setup
;
1159 setup
= CALLOC_STRUCT(lp_setup_context
);
1164 lp_setup_init_vbuf(setup
);
1166 /* Used only in update_state():
1171 setup
->num_threads
= screen
->num_threads
;
1172 setup
->vbuf
= draw_vbuf_stage(draw
, &setup
->base
);
1177 draw_set_rasterize_stage(draw
, setup
->vbuf
);
1178 draw_set_render(draw
, &setup
->base
);
1180 /* create some empty scenes */
1181 for (i
= 0; i
< MAX_SCENES
; i
++) {
1182 setup
->scenes
[i
] = lp_scene_create( pipe
);
1183 if (!setup
->scenes
[i
]) {
1188 setup
->triangle
= first_triangle
;
1189 setup
->line
= first_line
;
1190 setup
->point
= first_point
;
1197 for (i
= 0; i
< MAX_SCENES
; i
++) {
1198 if (setup
->scenes
[i
]) {
1199 lp_scene_destroy(setup
->scenes
[i
]);
1203 setup
->vbuf
->destroy(setup
->vbuf
);
1212 * Put a BeginQuery command into all bins.
1215 lp_setup_begin_query(struct lp_setup_context
*setup
,
1216 struct llvmpipe_query
*pq
)
1218 /* init the query to its beginning state */
1219 assert(setup
->active_query
[pq
->type
] == NULL
);
1221 set_scene_state(setup
, SETUP_ACTIVE
, "begin_query");
1223 setup
->active_query
[pq
->type
] = pq
;
1225 /* XXX: It is possible that a query is created before the scene
1226 * has been created. This means that setup->scene == NULL resulting
1227 * in the query not being binned and thus is ignored.
1231 if (!lp_scene_bin_everywhere(setup
->scene
,
1232 LP_RAST_OP_BEGIN_QUERY
,
1233 lp_rast_arg_query(pq
))) {
1235 if (!lp_setup_flush_and_restart(setup
))
1238 if (!lp_scene_bin_everywhere(setup
->scene
,
1239 LP_RAST_OP_BEGIN_QUERY
,
1240 lp_rast_arg_query(pq
))) {
1249 * Put an EndQuery command into all bins.
1252 lp_setup_end_query(struct lp_setup_context
*setup
, struct llvmpipe_query
*pq
)
1254 set_scene_state(setup
, SETUP_ACTIVE
, "end_query");
1256 if (pq
->type
!= PIPE_QUERY_TIMESTAMP
) {
1257 assert(setup
->active_query
[pq
->type
] == pq
);
1258 setup
->active_query
[pq
->type
] = NULL
;
1261 /* Setup will automatically re-issue any query which carried over a
1262 * scene boundary, and the rasterizer automatically "ends" queries
1263 * which are active at the end of a scene, so there is no need to
1264 * retry this commands on failure.
1267 /* pq->fence should be the fence of the *last* scene which
1268 * contributed to the query result.
1270 lp_fence_reference(&pq
->fence
, setup
->scene
->fence
);
1272 if (!lp_scene_bin_everywhere(setup
->scene
,
1273 LP_RAST_OP_END_QUERY
,
1274 lp_rast_arg_query(pq
))) {
1275 lp_setup_flush(setup
, NULL
, __FUNCTION__
);
1279 lp_fence_reference(&pq
->fence
, setup
->last_fence
);
1285 lp_setup_flush_and_restart(struct lp_setup_context
*setup
)
1287 if (0) debug_printf("%s\n", __FUNCTION__
);
1289 assert(setup
->state
== SETUP_ACTIVE
);
1291 if (!set_scene_state(setup
, SETUP_FLUSHED
, __FUNCTION__
))
1294 if (!lp_setup_update_state(setup
, TRUE
))