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
35 #include "pipe/p_defines.h"
36 #include "util/u_inlines.h"
37 #include "util/u_memory.h"
38 #include "util/u_pack_color.h"
39 #include "util/u_surface.h"
41 #include "lp_scene_queue.h"
42 #include "lp_buffer.h"
43 #include "lp_texture.h"
47 #include "lp_setup_context.h"
48 #include "lp_screen.h"
49 #include "lp_winsys.h"
51 #include "draw/draw_context.h"
52 #include "draw/draw_vbuf.h"
55 static void set_scene_state( struct setup_context
*, unsigned );
59 lp_setup_get_current_scene(struct setup_context
*setup
)
63 /* wait for a free/empty scene
65 setup
->scene
= lp_scene_dequeue(setup
->empty_scenes
, TRUE
);
67 assert(lp_scene_is_empty(setup
->scene
));
69 if(0)lp_scene_reset( setup
->scene
); /* XXX temporary? */
71 lp_scene_set_framebuffer_size(setup
->scene
,
80 first_triangle( struct setup_context
*setup
,
85 set_scene_state( setup
, SETUP_ACTIVE
);
86 lp_setup_choose_triangle( setup
);
87 setup
->triangle( setup
, v0
, v1
, v2
);
91 first_line( struct setup_context
*setup
,
95 set_scene_state( setup
, SETUP_ACTIVE
);
96 lp_setup_choose_line( setup
);
97 setup
->line( setup
, v0
, v1
);
101 first_point( struct setup_context
*setup
,
102 const float (*v0
)[4])
104 set_scene_state( setup
, SETUP_ACTIVE
);
105 lp_setup_choose_point( setup
);
106 setup
->point( setup
, v0
);
109 static void reset_context( struct setup_context
*setup
)
111 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
113 /* Reset derived state */
114 setup
->constants
.stored_size
= 0;
115 setup
->constants
.stored_data
= NULL
;
116 setup
->fs
.stored
= NULL
;
124 setup
->clear
.flags
= 0;
126 /* Have an explicit "start-binning" call and get rid of this
129 setup
->line
= first_line
;
130 setup
->point
= first_point
;
131 setup
->triangle
= first_triangle
;
135 /** Rasterize all scene's bins */
137 lp_setup_rasterize_scene( struct setup_context
*setup
,
138 boolean write_depth
)
140 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
142 lp_rasterize_scene(setup
->rast
,
147 reset_context( setup
);
149 LP_DBG(DEBUG_SETUP
, "%s done \n", __FUNCTION__
);
155 begin_binning( struct setup_context
*setup
)
157 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
159 LP_DBG(DEBUG_SETUP
, "%s color: %s depth: %s\n", __FUNCTION__
,
160 (setup
->clear
.flags
& PIPE_CLEAR_COLOR
) ? "clear": "load",
161 (setup
->clear
.flags
& PIPE_CLEAR_DEPTHSTENCIL
) ? "clear": "load");
163 if (setup
->fb
.nr_cbufs
) {
164 if (setup
->clear
.flags
& PIPE_CLEAR_COLOR
)
165 lp_scene_bin_everywhere( scene
,
167 setup
->clear
.color
);
169 lp_scene_bin_everywhere( scene
,
171 lp_rast_arg_null() );
174 if (setup
->fb
.zsbuf
) {
175 if (setup
->clear
.flags
& PIPE_CLEAR_DEPTHSTENCIL
)
176 lp_scene_bin_everywhere( scene
,
177 lp_rast_clear_zstencil
,
178 setup
->clear
.zstencil
);
181 LP_DBG(DEBUG_SETUP
, "%s done\n", __FUNCTION__
);
185 /* This basically bins and then flushes any outstanding full-screen
188 * TODO: fast path for fullscreen clears and no triangles.
191 execute_clears( struct setup_context
*setup
)
193 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
195 begin_binning( setup
);
196 lp_setup_rasterize_scene( setup
, TRUE
);
201 set_scene_state( struct setup_context
*setup
,
204 unsigned old_state
= setup
->state
;
206 if (old_state
== new_state
)
209 LP_DBG(DEBUG_SETUP
, "%s old %d new %d\n", __FUNCTION__
, old_state
, new_state
);
213 begin_binning( setup
);
217 if (old_state
== SETUP_ACTIVE
) {
224 if (old_state
== SETUP_CLEARED
)
225 execute_clears( setup
);
227 lp_setup_rasterize_scene( setup
, TRUE
);
231 setup
->state
= new_state
;
236 lp_setup_flush( struct setup_context
*setup
,
239 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
241 set_scene_state( setup
, SETUP_FLUSHED
);
246 lp_setup_bind_framebuffer( struct setup_context
*setup
,
247 const struct pipe_framebuffer_state
*fb
)
249 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
251 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
253 set_scene_state( setup
, SETUP_FLUSHED
);
255 /* re-get scene pointer, may have a new scene after flushing */
257 scene
= lp_setup_get_current_scene(setup
);
259 util_copy_framebuffer_state(&setup
->fb
, fb
);
261 lp_scene_set_framebuffer_size(scene
, setup
->fb
.width
, setup
->fb
.height
);
266 lp_setup_clear( struct setup_context
*setup
,
272 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
275 LP_DBG(DEBUG_SETUP
, "%s state %d\n", __FUNCTION__
, setup
->state
);
278 if (flags
& PIPE_CLEAR_COLOR
) {
279 for (i
= 0; i
< 4; ++i
)
280 setup
->clear
.color
.clear_color
[i
] = float_to_ubyte(color
[i
]);
283 if (flags
& PIPE_CLEAR_DEPTHSTENCIL
) {
284 setup
->clear
.zstencil
.clear_zstencil
=
285 util_pack_z_stencil(setup
->fb
.zsbuf
->format
,
290 if (setup
->state
== SETUP_ACTIVE
) {
291 /* Add the clear to existing scene. In the unusual case where
292 * both color and depth-stencil are being cleared when there's
293 * already been some rendering, we could discard the currently
294 * binned scene and start again, but I don't see that as being
297 if (flags
& PIPE_CLEAR_COLOR
)
298 lp_scene_bin_everywhere( scene
,
300 setup
->clear
.color
);
302 if (setup
->clear
.flags
& PIPE_CLEAR_DEPTHSTENCIL
)
303 lp_scene_bin_everywhere( scene
,
304 lp_rast_clear_zstencil
,
305 setup
->clear
.zstencil
);
308 /* Put ourselves into the 'pre-clear' state, specifically to try
309 * and accumulate multiple clears to color and depth_stencil
310 * buffers which the app or state-tracker might issue
313 set_scene_state( setup
, SETUP_CLEARED
);
315 setup
->clear
.flags
|= flags
;
323 struct pipe_fence_handle
*
324 lp_setup_fence( struct setup_context
*setup
)
326 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
327 const unsigned rank
= lp_scene_get_num_bins( scene
); /* xxx */
328 struct lp_fence
*fence
= lp_fence_create(rank
);
330 LP_DBG(DEBUG_SETUP
, "%s rank %u\n", __FUNCTION__
, rank
);
332 set_scene_state( setup
, SETUP_ACTIVE
);
334 /* insert the fence into all command bins */
335 lp_scene_bin_everywhere( scene
,
337 lp_rast_arg_fence(fence
) );
339 return (struct pipe_fence_handle
*) fence
;
344 lp_setup_set_triangle_state( struct setup_context
*setup
,
346 boolean ccw_is_frontface
,
349 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
351 setup
->ccw_is_frontface
= ccw_is_frontface
;
352 setup
->cullmode
= cull_mode
;
353 setup
->triangle
= first_triangle
;
354 setup
->scissor_test
= scissor
;
360 lp_setup_set_fs_inputs( struct setup_context
*setup
,
361 const struct lp_shader_input
*input
,
364 LP_DBG(DEBUG_SETUP
, "%s %p %u\n", __FUNCTION__
, (void *) input
, nr
);
366 memcpy( setup
->fs
.input
, input
, nr
* sizeof input
[0] );
367 setup
->fs
.nr_inputs
= nr
;
371 lp_setup_set_fs_functions( struct setup_context
*setup
,
372 lp_jit_frag_func jit_function0
,
373 lp_jit_frag_func jit_function1
,
376 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *) jit_function0
);
377 /* FIXME: reference count */
379 setup
->fs
.current
.jit_function
[0] = jit_function0
;
380 setup
->fs
.current
.jit_function
[1] = jit_function1
;
381 setup
->fs
.current
.opaque
= opaque
;
382 setup
->dirty
|= LP_SETUP_NEW_FS
;
386 lp_setup_set_fs_constants(struct setup_context
*setup
,
387 struct pipe_buffer
*buffer
)
389 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *) buffer
);
391 pipe_buffer_reference(&setup
->constants
.current
, buffer
);
393 setup
->dirty
|= LP_SETUP_NEW_CONSTANTS
;
398 lp_setup_set_alpha_ref_value( struct setup_context
*setup
,
399 float alpha_ref_value
)
401 LP_DBG(DEBUG_SETUP
, "%s %f\n", __FUNCTION__
, alpha_ref_value
);
403 if(setup
->fs
.current
.jit_context
.alpha_ref_value
!= alpha_ref_value
) {
404 setup
->fs
.current
.jit_context
.alpha_ref_value
= alpha_ref_value
;
405 setup
->dirty
|= LP_SETUP_NEW_FS
;
410 lp_setup_set_blend_color( struct setup_context
*setup
,
411 const struct pipe_blend_color
*blend_color
)
413 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
417 if(memcmp(&setup
->blend_color
.current
, blend_color
, sizeof *blend_color
) != 0) {
418 memcpy(&setup
->blend_color
.current
, blend_color
, sizeof *blend_color
);
419 setup
->dirty
|= LP_SETUP_NEW_BLEND_COLOR
;
425 lp_setup_set_scissor( struct setup_context
*setup
,
426 const struct pipe_scissor_state
*scissor
)
428 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
432 if (memcmp(&setup
->scissor
.current
, scissor
, sizeof(*scissor
)) != 0) {
433 setup
->scissor
.current
= *scissor
; /* struct copy */
434 setup
->dirty
|= LP_SETUP_NEW_SCISSOR
;
440 lp_setup_set_flatshade_first( struct setup_context
*setup
,
441 boolean flatshade_first
)
443 setup
->flatshade_first
= flatshade_first
;
448 lp_setup_set_vertex_info( struct setup_context
*setup
,
449 struct vertex_info
*vertex_info
)
451 /* XXX: just silently holding onto the pointer:
453 setup
->vertex_info
= vertex_info
;
458 * Called during state validation when LP_NEW_TEXTURE is set.
461 lp_setup_set_sampler_textures( struct setup_context
*setup
,
462 unsigned num
, struct pipe_texture
**texture
)
466 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
468 assert(num
<= PIPE_MAX_SAMPLERS
);
470 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
471 struct pipe_texture
*tex
= i
< num
? texture
[i
] : NULL
;
474 struct llvmpipe_texture
*lp_tex
= llvmpipe_texture(tex
);
475 struct lp_jit_texture
*jit_tex
;
476 jit_tex
= &setup
->fs
.current
.jit_context
.textures
[i
];
477 jit_tex
->width
= tex
->width0
;
478 jit_tex
->height
= tex
->height0
;
479 jit_tex
->stride
= lp_tex
->stride
[0];
481 jit_tex
->data
= lp_tex
->data
;
485 * XXX: Where should this be unmapped?
488 struct llvmpipe_screen
*screen
= llvmpipe_screen(tex
->screen
);
489 struct llvmpipe_winsys
*winsys
= screen
->winsys
;
490 jit_tex
->data
= winsys
->displaytarget_map(winsys
, lp_tex
->dt
,
491 PIPE_BUFFER_USAGE_CPU_READ
);
492 assert(jit_tex
->data
);
495 /* the scene references this texture */
497 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
498 lp_scene_texture_reference(scene
, tex
);
503 setup
->dirty
|= LP_SETUP_NEW_FS
;
508 * Is the given texture referenced by any scene?
509 * Note: we have to check all scenes including any scenes currently
510 * being rendered and the current scene being built.
513 lp_setup_is_texture_referenced( const struct setup_context
*setup
,
514 const struct pipe_texture
*texture
)
518 /* check the render targets */
519 for (i
= 0; i
< setup
->fb
.nr_cbufs
; i
++) {
520 if (setup
->fb
.cbufs
[i
]->texture
== texture
)
521 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
523 if (setup
->fb
.zsbuf
&& setup
->fb
.zsbuf
->texture
== texture
) {
524 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
527 /* check textures referenced by the scene */
528 for (i
= 0; i
< Elements(setup
->scenes
); i
++) {
529 if (lp_scene_is_texture_referenced(setup
->scenes
[i
], texture
)) {
530 return PIPE_REFERENCED_FOR_READ
;
534 return PIPE_UNREFERENCED
;
539 * Called by vbuf code when we're about to draw something.
542 lp_setup_update_state( struct setup_context
*setup
)
544 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
546 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
548 assert(setup
->fs
.current
.jit_function
);
550 if(setup
->dirty
& LP_SETUP_NEW_BLEND_COLOR
) {
554 stored
= lp_scene_alloc_aligned(scene
, 4 * 16, 16);
556 /* smear each blend color component across 16 ubyte elements */
557 for (i
= 0; i
< 4; ++i
) {
558 uint8_t c
= float_to_ubyte(setup
->blend_color
.current
.color
[i
]);
559 for (j
= 0; j
< 16; ++j
)
560 stored
[i
*16 + j
] = c
;
563 setup
->blend_color
.stored
= stored
;
565 setup
->fs
.current
.jit_context
.blend_color
= setup
->blend_color
.stored
;
566 setup
->dirty
|= LP_SETUP_NEW_FS
;
569 if (setup
->dirty
& LP_SETUP_NEW_SCISSOR
) {
572 stored
= lp_scene_alloc_aligned(scene
, 4 * sizeof(int32_t), 16);
574 stored
[0] = (float) setup
->scissor
.current
.minx
;
575 stored
[1] = (float) setup
->scissor
.current
.miny
;
576 stored
[2] = (float) setup
->scissor
.current
.maxx
;
577 stored
[3] = (float) setup
->scissor
.current
.maxy
;
579 setup
->scissor
.stored
= stored
;
581 setup
->fs
.current
.jit_context
.scissor_xmin
= stored
[0];
582 setup
->fs
.current
.jit_context
.scissor_ymin
= stored
[1];
583 setup
->fs
.current
.jit_context
.scissor_xmax
= stored
[2];
584 setup
->fs
.current
.jit_context
.scissor_ymax
= stored
[3];
586 setup
->dirty
|= LP_SETUP_NEW_FS
;
589 if(setup
->dirty
& LP_SETUP_NEW_CONSTANTS
) {
590 struct pipe_buffer
*buffer
= setup
->constants
.current
;
593 unsigned current_size
= buffer
->size
;
594 const void *current_data
= llvmpipe_buffer(buffer
)->data
;
596 /* TODO: copy only the actually used constants? */
598 if(setup
->constants
.stored_size
!= current_size
||
599 !setup
->constants
.stored_data
||
600 memcmp(setup
->constants
.stored_data
,
602 current_size
) != 0) {
605 stored
= lp_scene_alloc(scene
, current_size
);
610 setup
->constants
.stored_size
= current_size
;
611 setup
->constants
.stored_data
= stored
;
616 setup
->constants
.stored_size
= 0;
617 setup
->constants
.stored_data
= NULL
;
620 setup
->fs
.current
.jit_context
.constants
= setup
->constants
.stored_data
;
621 setup
->dirty
|= LP_SETUP_NEW_FS
;
625 if(setup
->dirty
& LP_SETUP_NEW_FS
) {
626 if(!setup
->fs
.stored
||
627 memcmp(setup
->fs
.stored
,
629 sizeof setup
->fs
.current
) != 0) {
630 /* The fs state that's been stored in the scene is different from
631 * the new, current state. So allocate a new lp_rast_state object
632 * and append it to the bin's setup data buffer.
634 struct lp_rast_state
*stored
=
635 (struct lp_rast_state
*) lp_scene_alloc(scene
, sizeof *stored
);
639 sizeof setup
->fs
.current
);
640 setup
->fs
.stored
= stored
;
642 /* put the state-set command into all bins */
643 lp_scene_bin_state_command( scene
,
645 lp_rast_arg_state(setup
->fs
.stored
) );
652 assert(setup
->fs
.stored
);
657 /* Only caller is lp_setup_vbuf_destroy()
660 lp_setup_destroy( struct setup_context
*setup
)
662 reset_context( setup
);
664 pipe_buffer_reference(&setup
->constants
.current
, NULL
);
666 /* free the scenes in the 'empty' queue */
668 struct lp_scene
*scene
= lp_scene_dequeue(setup
->empty_scenes
, FALSE
);
671 lp_scene_destroy(scene
);
674 lp_rast_destroy( setup
->rast
);
681 * Create a new primitive tiling engine. Plug it into the backend of
682 * the draw module. Currently also creates a rasterizer to use with
685 struct setup_context
*
686 lp_setup_create( struct pipe_screen
*screen
,
687 struct draw_context
*draw
)
690 struct setup_context
*setup
= CALLOC_STRUCT(setup_context
);
695 lp_setup_init_vbuf(setup
);
697 setup
->empty_scenes
= lp_scene_queue_create();
698 if (!setup
->empty_scenes
)
701 setup
->rast
= lp_rast_create( screen
, setup
->empty_scenes
);
705 setup
->vbuf
= draw_vbuf_stage(draw
, &setup
->base
);
709 draw_set_rasterize_stage(draw
, setup
->vbuf
);
710 draw_set_render(draw
, &setup
->base
);
712 /* create some empty scenes */
713 for (i
= 0; i
< MAX_SCENES
; i
++) {
714 setup
->scenes
[i
] = lp_scene_create();
715 lp_scene_enqueue(setup
->empty_scenes
, setup
->scenes
[i
]);
718 setup
->triangle
= first_triangle
;
719 setup
->line
= first_line
;
720 setup
->point
= first_point
;
728 lp_rast_destroy( setup
->rast
);
733 if (setup
->empty_scenes
)
734 lp_scene_queue_destroy(setup
->empty_scenes
);