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_texture.h"
46 #include "lp_setup_context.h"
47 #include "lp_screen.h"
48 #include "state_tracker/sw_winsys.h"
50 #include "draw/draw_context.h"
51 #include "draw/draw_vbuf.h"
54 static void set_scene_state( struct lp_setup_context
*, unsigned );
58 lp_setup_get_current_scene(struct lp_setup_context
*setup
)
62 /* wait for a free/empty scene
64 setup
->scene
= lp_scene_dequeue(setup
->empty_scenes
, TRUE
);
66 assert(lp_scene_is_empty(setup
->scene
));
68 lp_scene_begin_binning(setup
->scene
,
76 first_triangle( struct lp_setup_context
*setup
,
81 set_scene_state( setup
, SETUP_ACTIVE
);
82 lp_setup_choose_triangle( setup
);
83 setup
->triangle( setup
, v0
, v1
, v2
);
87 first_line( struct lp_setup_context
*setup
,
91 set_scene_state( setup
, SETUP_ACTIVE
);
92 lp_setup_choose_line( setup
);
93 setup
->line( setup
, v0
, v1
);
97 first_point( struct lp_setup_context
*setup
,
100 set_scene_state( setup
, SETUP_ACTIVE
);
101 lp_setup_choose_point( setup
);
102 setup
->point( setup
, v0
);
105 static void reset_context( struct lp_setup_context
*setup
)
107 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
109 /* Reset derived state */
110 setup
->constants
.stored_size
= 0;
111 setup
->constants
.stored_data
= NULL
;
112 setup
->fs
.stored
= NULL
;
120 setup
->clear
.flags
= 0;
122 /* Have an explicit "start-binning" call and get rid of this
125 setup
->line
= first_line
;
126 setup
->point
= first_point
;
127 setup
->triangle
= first_triangle
;
131 /** Rasterize all scene's bins */
133 lp_setup_rasterize_scene( struct lp_setup_context
*setup
,
134 boolean write_depth
)
136 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
138 lp_scene_rasterize(scene
,
142 reset_context( setup
);
144 LP_DBG(DEBUG_SETUP
, "%s done \n", __FUNCTION__
);
150 begin_binning( struct lp_setup_context
*setup
)
152 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
154 LP_DBG(DEBUG_SETUP
, "%s color: %s depth: %s\n", __FUNCTION__
,
155 (setup
->clear
.flags
& PIPE_CLEAR_COLOR
) ? "clear": "load",
156 (setup
->clear
.flags
& PIPE_CLEAR_DEPTHSTENCIL
) ? "clear": "load");
158 if (setup
->fb
.nr_cbufs
) {
159 if (setup
->clear
.flags
& PIPE_CLEAR_COLOR
)
160 lp_scene_bin_everywhere( scene
,
162 setup
->clear
.color
);
164 lp_scene_bin_everywhere( scene
,
166 lp_rast_arg_null() );
169 if (setup
->fb
.zsbuf
) {
170 if (setup
->clear
.flags
& PIPE_CLEAR_DEPTHSTENCIL
)
171 lp_scene_bin_everywhere( scene
,
172 lp_rast_clear_zstencil
,
173 setup
->clear
.zstencil
);
176 LP_DBG(DEBUG_SETUP
, "%s done\n", __FUNCTION__
);
180 /* This basically bins and then flushes any outstanding full-screen
183 * TODO: fast path for fullscreen clears and no triangles.
186 execute_clears( struct lp_setup_context
*setup
)
188 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
190 begin_binning( setup
);
191 lp_setup_rasterize_scene( setup
, TRUE
);
196 set_scene_state( struct lp_setup_context
*setup
,
199 unsigned old_state
= setup
->state
;
201 if (old_state
== new_state
)
204 LP_DBG(DEBUG_SETUP
, "%s old %d new %d\n", __FUNCTION__
, old_state
, new_state
);
208 begin_binning( setup
);
212 if (old_state
== SETUP_ACTIVE
) {
219 if (old_state
== SETUP_CLEARED
)
220 execute_clears( setup
);
222 lp_setup_rasterize_scene( setup
, TRUE
);
226 setup
->state
= new_state
;
231 lp_setup_flush( struct lp_setup_context
*setup
,
234 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
236 set_scene_state( setup
, SETUP_FLUSHED
);
241 lp_setup_bind_framebuffer( struct lp_setup_context
*setup
,
242 const struct pipe_framebuffer_state
*fb
)
244 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
246 /* Flush any old scene.
248 set_scene_state( setup
, SETUP_FLUSHED
);
250 /* Set new state. This will be picked up later when we next need a
253 util_copy_framebuffer_state(&setup
->fb
, fb
);
258 lp_setup_clear( struct lp_setup_context
*setup
,
264 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
267 LP_DBG(DEBUG_SETUP
, "%s state %d\n", __FUNCTION__
, setup
->state
);
270 if (flags
& PIPE_CLEAR_COLOR
) {
271 for (i
= 0; i
< 4; ++i
)
272 setup
->clear
.color
.clear_color
[i
] = float_to_ubyte(color
[i
]);
275 if (flags
& PIPE_CLEAR_DEPTHSTENCIL
) {
276 setup
->clear
.zstencil
.clear_zstencil
=
277 util_pack_z_stencil(setup
->fb
.zsbuf
->format
,
282 if (setup
->state
== SETUP_ACTIVE
) {
283 /* Add the clear to existing scene. In the unusual case where
284 * both color and depth-stencil are being cleared when there's
285 * already been some rendering, we could discard the currently
286 * binned scene and start again, but I don't see that as being
289 if (flags
& PIPE_CLEAR_COLOR
)
290 lp_scene_bin_everywhere( scene
,
292 setup
->clear
.color
);
294 if (setup
->clear
.flags
& PIPE_CLEAR_DEPTHSTENCIL
)
295 lp_scene_bin_everywhere( scene
,
296 lp_rast_clear_zstencil
,
297 setup
->clear
.zstencil
);
300 /* Put ourselves into the 'pre-clear' state, specifically to try
301 * and accumulate multiple clears to color and depth_stencil
302 * buffers which the app or state-tracker might issue
305 set_scene_state( setup
, SETUP_CLEARED
);
307 setup
->clear
.flags
|= flags
;
315 struct pipe_fence_handle
*
316 lp_setup_fence( struct lp_setup_context
*setup
)
318 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
319 const unsigned rank
= lp_scene_get_num_bins( scene
); /* xxx */
320 struct lp_fence
*fence
= lp_fence_create(rank
);
322 LP_DBG(DEBUG_SETUP
, "%s rank %u\n", __FUNCTION__
, rank
);
324 set_scene_state( setup
, SETUP_ACTIVE
);
326 /* insert the fence into all command bins */
327 lp_scene_bin_everywhere( scene
,
329 lp_rast_arg_fence(fence
) );
331 return (struct pipe_fence_handle
*) fence
;
336 lp_setup_set_triangle_state( struct lp_setup_context
*setup
,
338 boolean ccw_is_frontface
,
340 boolean gl_rasterization_rules
)
342 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
344 setup
->ccw_is_frontface
= ccw_is_frontface
;
345 setup
->cullmode
= cull_mode
;
346 setup
->triangle
= first_triangle
;
347 setup
->scissor_test
= scissor
;
348 setup
->pixel_offset
= gl_rasterization_rules
? 0.5f
: 0.0f
;
354 lp_setup_set_fs_inputs( struct lp_setup_context
*setup
,
355 const struct lp_shader_input
*input
,
358 LP_DBG(DEBUG_SETUP
, "%s %p %u\n", __FUNCTION__
, (void *) input
, nr
);
360 memcpy( setup
->fs
.input
, input
, nr
* sizeof input
[0] );
361 setup
->fs
.nr_inputs
= nr
;
365 lp_setup_set_fs_functions( struct lp_setup_context
*setup
,
366 lp_jit_frag_func jit_function0
,
367 lp_jit_frag_func jit_function1
,
370 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *) jit_function0
);
371 /* FIXME: reference count */
373 setup
->fs
.current
.jit_function
[0] = jit_function0
;
374 setup
->fs
.current
.jit_function
[1] = jit_function1
;
375 setup
->fs
.current
.opaque
= opaque
;
376 setup
->dirty
|= LP_SETUP_NEW_FS
;
380 lp_setup_set_fs_constants(struct lp_setup_context
*setup
,
381 struct pipe_resource
*buffer
)
383 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *) buffer
);
385 pipe_resource_reference(&setup
->constants
.current
, buffer
);
387 setup
->dirty
|= LP_SETUP_NEW_CONSTANTS
;
392 lp_setup_set_alpha_ref_value( struct lp_setup_context
*setup
,
393 float alpha_ref_value
)
395 LP_DBG(DEBUG_SETUP
, "%s %f\n", __FUNCTION__
, alpha_ref_value
);
397 if(setup
->fs
.current
.jit_context
.alpha_ref_value
!= alpha_ref_value
) {
398 setup
->fs
.current
.jit_context
.alpha_ref_value
= alpha_ref_value
;
399 setup
->dirty
|= LP_SETUP_NEW_FS
;
404 lp_setup_set_stencil_ref_values( struct lp_setup_context
*setup
,
405 const ubyte refs
[2] )
407 LP_DBG(DEBUG_SETUP
, "%s %d %d\n", __FUNCTION__
, refs
[0], refs
[1]);
409 if (setup
->fs
.current
.jit_context
.stencil_ref_front
!= refs
[0] ||
410 setup
->fs
.current
.jit_context
.stencil_ref_back
!= refs
[1]) {
411 setup
->fs
.current
.jit_context
.stencil_ref_front
= refs
[0];
412 setup
->fs
.current
.jit_context
.stencil_ref_back
= refs
[1];
413 setup
->dirty
|= LP_SETUP_NEW_FS
;
418 lp_setup_set_blend_color( struct lp_setup_context
*setup
,
419 const struct pipe_blend_color
*blend_color
)
421 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
425 if(memcmp(&setup
->blend_color
.current
, blend_color
, sizeof *blend_color
) != 0) {
426 memcpy(&setup
->blend_color
.current
, blend_color
, sizeof *blend_color
);
427 setup
->dirty
|= LP_SETUP_NEW_BLEND_COLOR
;
433 lp_setup_set_scissor( struct lp_setup_context
*setup
,
434 const struct pipe_scissor_state
*scissor
)
436 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
440 if (memcmp(&setup
->scissor
.current
, scissor
, sizeof(*scissor
)) != 0) {
441 setup
->scissor
.current
= *scissor
; /* struct copy */
442 setup
->dirty
|= LP_SETUP_NEW_SCISSOR
;
448 lp_setup_set_flatshade_first( struct lp_setup_context
*setup
,
449 boolean flatshade_first
)
451 setup
->flatshade_first
= flatshade_first
;
456 lp_setup_set_vertex_info( struct lp_setup_context
*setup
,
457 struct vertex_info
*vertex_info
)
459 /* XXX: just silently holding onto the pointer:
461 setup
->vertex_info
= vertex_info
;
466 * Called during state validation when LP_NEW_SAMPLER_VIEW is set.
469 lp_setup_set_fragment_sampler_views(struct lp_setup_context
*setup
,
471 struct pipe_sampler_view
**views
)
475 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
477 assert(num
<= PIPE_MAX_SAMPLERS
);
479 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
480 struct pipe_sampler_view
*view
= i
< num
? views
[i
] : NULL
;
483 struct pipe_resource
*tex
= view
->texture
;
484 struct llvmpipe_resource
*lp_tex
= llvmpipe_resource(tex
);
485 struct lp_jit_texture
*jit_tex
;
486 jit_tex
= &setup
->fs
.current
.jit_context
.textures
[i
];
487 jit_tex
->width
= tex
->width0
;
488 jit_tex
->height
= tex
->height0
;
489 jit_tex
->depth
= tex
->depth0
;
490 jit_tex
->last_level
= tex
->last_level
;
492 /* We're referencing the texture's internal data, so save a
495 pipe_resource_reference(&setup
->fs
.current_tex
[i
], tex
);
498 /* regular texture - setup array of mipmap level pointers */
500 for (j
= 0; j
<= tex
->last_level
; j
++) {
502 (ubyte
*) lp_tex
->data
+ lp_tex
->level_offset
[j
];
503 jit_tex
->row_stride
[j
] = lp_tex
->stride
[j
];
507 /* display target texture/surface */
509 * XXX: Where should this be unmapped?
512 struct llvmpipe_screen
*screen
= llvmpipe_screen(tex
->screen
);
513 struct sw_winsys
*winsys
= screen
->winsys
;
514 jit_tex
->data
[0] = winsys
->displaytarget_map(winsys
, lp_tex
->dt
,
516 jit_tex
->row_stride
[0] = lp_tex
->stride
[0];
517 assert(jit_tex
->data
[0]);
522 setup
->dirty
|= LP_SETUP_NEW_FS
;
527 * Is the given texture referenced by any scene?
528 * Note: we have to check all scenes including any scenes currently
529 * being rendered and the current scene being built.
532 lp_setup_is_resource_referenced( const struct lp_setup_context
*setup
,
533 const struct pipe_resource
*texture
)
537 /* check the render targets */
538 for (i
= 0; i
< setup
->fb
.nr_cbufs
; i
++) {
539 if (setup
->fb
.cbufs
[i
]->texture
== texture
)
540 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
542 if (setup
->fb
.zsbuf
&& setup
->fb
.zsbuf
->texture
== texture
) {
543 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
546 /* check textures referenced by the scene */
547 for (i
= 0; i
< Elements(setup
->scenes
); i
++) {
548 if (lp_scene_is_resource_referenced(setup
->scenes
[i
], texture
)) {
549 return PIPE_REFERENCED_FOR_READ
;
553 return PIPE_UNREFERENCED
;
558 * Called by vbuf code when we're about to draw something.
561 lp_setup_update_state( struct lp_setup_context
*setup
)
563 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
565 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
567 assert(setup
->fs
.current
.jit_function
);
569 if(setup
->dirty
& LP_SETUP_NEW_BLEND_COLOR
) {
573 stored
= lp_scene_alloc_aligned(scene
, 4 * 16, 16);
575 /* smear each blend color component across 16 ubyte elements */
576 for (i
= 0; i
< 4; ++i
) {
577 uint8_t c
= float_to_ubyte(setup
->blend_color
.current
.color
[i
]);
578 for (j
= 0; j
< 16; ++j
)
579 stored
[i
*16 + j
] = c
;
582 setup
->blend_color
.stored
= stored
;
584 setup
->fs
.current
.jit_context
.blend_color
= setup
->blend_color
.stored
;
585 setup
->dirty
|= LP_SETUP_NEW_FS
;
588 if (setup
->dirty
& LP_SETUP_NEW_SCISSOR
) {
591 stored
= lp_scene_alloc_aligned(scene
, 4 * sizeof(int32_t), 16);
593 stored
[0] = (float) setup
->scissor
.current
.minx
;
594 stored
[1] = (float) setup
->scissor
.current
.miny
;
595 stored
[2] = (float) setup
->scissor
.current
.maxx
;
596 stored
[3] = (float) setup
->scissor
.current
.maxy
;
598 setup
->scissor
.stored
= stored
;
600 setup
->fs
.current
.jit_context
.scissor_xmin
= stored
[0];
601 setup
->fs
.current
.jit_context
.scissor_ymin
= stored
[1];
602 setup
->fs
.current
.jit_context
.scissor_xmax
= stored
[2];
603 setup
->fs
.current
.jit_context
.scissor_ymax
= stored
[3];
605 setup
->dirty
|= LP_SETUP_NEW_FS
;
608 if(setup
->dirty
& LP_SETUP_NEW_CONSTANTS
) {
609 struct pipe_resource
*buffer
= setup
->constants
.current
;
612 unsigned current_size
= buffer
->width0
;
613 const void *current_data
= llvmpipe_resource(buffer
)->data
;
615 /* TODO: copy only the actually used constants? */
617 if(setup
->constants
.stored_size
!= current_size
||
618 !setup
->constants
.stored_data
||
619 memcmp(setup
->constants
.stored_data
,
621 current_size
) != 0) {
624 stored
= lp_scene_alloc(scene
, current_size
);
629 setup
->constants
.stored_size
= current_size
;
630 setup
->constants
.stored_data
= stored
;
635 setup
->constants
.stored_size
= 0;
636 setup
->constants
.stored_data
= NULL
;
639 setup
->fs
.current
.jit_context
.constants
= setup
->constants
.stored_data
;
640 setup
->dirty
|= LP_SETUP_NEW_FS
;
644 if(setup
->dirty
& LP_SETUP_NEW_FS
) {
645 if(!setup
->fs
.stored
||
646 memcmp(setup
->fs
.stored
,
648 sizeof setup
->fs
.current
) != 0) {
649 /* The fs state that's been stored in the scene is different from
650 * the new, current state. So allocate a new lp_rast_state object
651 * and append it to the bin's setup data buffer.
654 struct lp_rast_state
*stored
=
655 (struct lp_rast_state
*) lp_scene_alloc(scene
, sizeof *stored
);
659 sizeof setup
->fs
.current
);
660 setup
->fs
.stored
= stored
;
662 /* put the state-set command into all bins */
663 lp_scene_bin_state_command( scene
,
665 lp_rast_arg_state(setup
->fs
.stored
) );
668 /* The scene now references the textures in the rasterization
669 * state record. Note that now.
671 for (i
= 0; i
< Elements(setup
->fs
.current_tex
); i
++) {
672 if (setup
->fs
.current_tex
[i
])
673 lp_scene_texture_reference(scene
, setup
->fs
.current_tex
[i
]);
680 assert(setup
->fs
.stored
);
685 /* Only caller is lp_setup_vbuf_destroy()
688 lp_setup_destroy( struct lp_setup_context
*setup
)
692 reset_context( setup
);
694 for (i
= 0; i
< Elements(setup
->fs
.current_tex
); i
++) {
695 pipe_resource_reference(&setup
->fs
.current_tex
[i
], NULL
);
698 pipe_resource_reference(&setup
->constants
.current
, NULL
);
700 /* free the scenes in the 'empty' queue */
702 struct lp_scene
*scene
= lp_scene_dequeue(setup
->empty_scenes
, FALSE
);
705 lp_scene_destroy(scene
);
708 lp_rast_destroy( setup
->rast
);
715 * Create a new primitive tiling engine. Plug it into the backend of
716 * the draw module. Currently also creates a rasterizer to use with
719 struct lp_setup_context
*
720 lp_setup_create( struct pipe_context
*pipe
,
721 struct draw_context
*draw
)
724 struct lp_setup_context
*setup
= CALLOC_STRUCT(lp_setup_context
);
729 lp_setup_init_vbuf(setup
);
731 setup
->empty_scenes
= lp_scene_queue_create();
732 if (!setup
->empty_scenes
)
735 /* XXX: move this to the screen and share between contexts:
737 setup
->rast
= lp_rast_create();
741 setup
->vbuf
= draw_vbuf_stage(draw
, &setup
->base
);
745 draw_set_rasterize_stage(draw
, setup
->vbuf
);
746 draw_set_render(draw
, &setup
->base
);
748 /* create some empty scenes */
749 for (i
= 0; i
< MAX_SCENES
; i
++) {
750 setup
->scenes
[i
] = lp_scene_create( pipe
, setup
->empty_scenes
);
752 lp_scene_enqueue(setup
->empty_scenes
, setup
->scenes
[i
]);
755 setup
->triangle
= first_triangle
;
756 setup
->line
= first_line
;
757 setup
->point
= first_point
;
765 lp_rast_destroy( setup
->rast
);
770 if (setup
->empty_scenes
)
771 lp_scene_queue_destroy(setup
->empty_scenes
);