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"
49 #include "draw/draw_context.h"
50 #include "draw/draw_vbuf.h"
53 static void set_scene_state( struct setup_context
*, unsigned );
57 lp_setup_get_current_scene(struct setup_context
*setup
)
61 /* wait for a free/empty scene
63 setup
->scene
= lp_scene_dequeue(setup
->empty_scenes
, TRUE
);
65 if(0)lp_scene_reset( setup
->scene
); /* XXX temporary? */
67 lp_scene_set_framebuffer_size(setup
->scene
,
76 first_triangle( struct 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 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 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 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 setup_context
*setup
,
134 boolean write_depth
)
136 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
138 lp_rasterize_scene(setup
->rast
,
143 reset_context( setup
);
145 LP_DBG(DEBUG_SETUP
, "%s done \n", __FUNCTION__
);
151 begin_binning( struct setup_context
*setup
)
153 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
155 LP_DBG(DEBUG_SETUP
, "%s color: %s depth: %s\n", __FUNCTION__
,
156 (setup
->clear
.flags
& PIPE_CLEAR_COLOR
) ? "clear": "load",
157 (setup
->clear
.flags
& PIPE_CLEAR_DEPTHSTENCIL
) ? "clear": "load");
159 if (setup
->fb
.nr_cbufs
) {
160 if (setup
->clear
.flags
& PIPE_CLEAR_COLOR
)
161 lp_scene_bin_everywhere( scene
,
163 setup
->clear
.color
);
165 lp_scene_bin_everywhere( scene
,
167 lp_rast_arg_null() );
170 if (setup
->fb
.zsbuf
) {
171 if (setup
->clear
.flags
& PIPE_CLEAR_DEPTHSTENCIL
)
172 lp_scene_bin_everywhere( scene
,
173 lp_rast_clear_zstencil
,
174 setup
->clear
.zstencil
);
176 lp_scene_bin_everywhere( scene
,
177 lp_rast_load_zstencil
,
178 lp_rast_arg_null() );
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 */
256 scene
= lp_setup_get_current_scene(setup
);
258 util_copy_framebuffer_state(&setup
->fb
, fb
);
260 lp_scene_set_framebuffer_size(scene
, setup
->fb
.width
, setup
->fb
.height
);
265 lp_setup_clear( struct setup_context
*setup
,
271 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
274 LP_DBG(DEBUG_SETUP
, "%s state %d\n", __FUNCTION__
, setup
->state
);
277 if (flags
& PIPE_CLEAR_COLOR
) {
278 for (i
= 0; i
< 4; ++i
)
279 setup
->clear
.color
.clear_color
[i
] = float_to_ubyte(color
[i
]);
282 if (flags
& PIPE_CLEAR_DEPTHSTENCIL
) {
283 setup
->clear
.zstencil
.clear_zstencil
=
284 util_pack_z_stencil(setup
->fb
.zsbuf
->format
,
289 if (setup
->state
== SETUP_ACTIVE
) {
290 /* Add the clear to existing scene. In the unusual case where
291 * both color and depth-stencil are being cleared when there's
292 * already been some rendering, we could discard the currently
293 * binned scene and start again, but I don't see that as being
296 if (flags
& PIPE_CLEAR_COLOR
)
297 lp_scene_bin_everywhere( scene
,
299 setup
->clear
.color
);
301 if (setup
->clear
.flags
& PIPE_CLEAR_DEPTHSTENCIL
)
302 lp_scene_bin_everywhere( scene
,
303 lp_rast_clear_zstencil
,
304 setup
->clear
.zstencil
);
307 /* Put ourselves into the 'pre-clear' state, specifically to try
308 * and accumulate multiple clears to color and depth_stencil
309 * buffers which the app or state-tracker might issue
312 set_scene_state( setup
, SETUP_CLEARED
);
314 setup
->clear
.flags
|= flags
;
322 struct pipe_fence_handle
*
323 lp_setup_fence( struct setup_context
*setup
)
325 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
326 const unsigned rank
= lp_scene_get_num_bins( scene
); /* xxx */
327 struct lp_fence
*fence
= lp_fence_create(rank
);
329 LP_DBG(DEBUG_SETUP
, "%s rank %u\n", __FUNCTION__
, rank
);
331 set_scene_state( setup
, SETUP_ACTIVE
);
333 /* insert the fence into all command bins */
334 lp_scene_bin_everywhere( scene
,
336 lp_rast_arg_fence(fence
) );
338 return (struct pipe_fence_handle
*) fence
;
343 lp_setup_set_triangle_state( struct setup_context
*setup
,
345 boolean ccw_is_frontface
,
348 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
350 setup
->ccw_is_frontface
= ccw_is_frontface
;
351 setup
->cullmode
= cull_mode
;
352 setup
->triangle
= first_triangle
;
353 setup
->scissor_test
= scissor
;
359 lp_setup_set_fs_inputs( struct setup_context
*setup
,
360 const struct lp_shader_input
*input
,
363 LP_DBG(DEBUG_SETUP
, "%s %p %u\n", __FUNCTION__
, (void *) input
, nr
);
365 memcpy( setup
->fs
.input
, input
, nr
* sizeof input
[0] );
366 setup
->fs
.nr_inputs
= nr
;
370 lp_setup_set_fs_functions( struct setup_context
*setup
,
371 lp_jit_frag_func jit_function0
,
372 lp_jit_frag_func jit_function1
,
375 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *) jit_function0
);
376 /* FIXME: reference count */
378 setup
->fs
.current
.jit_function
[0] = jit_function0
;
379 setup
->fs
.current
.jit_function
[1] = jit_function1
;
380 setup
->fs
.current
.opaque
= opaque
;
381 setup
->dirty
|= LP_SETUP_NEW_FS
;
385 lp_setup_set_fs_constants(struct setup_context
*setup
,
386 struct pipe_buffer
*buffer
)
388 LP_DBG(DEBUG_SETUP
, "%s %p\n", __FUNCTION__
, (void *) buffer
);
390 pipe_buffer_reference(&setup
->constants
.current
, buffer
);
392 setup
->dirty
|= LP_SETUP_NEW_CONSTANTS
;
397 lp_setup_set_alpha_ref_value( struct setup_context
*setup
,
398 float alpha_ref_value
)
400 LP_DBG(DEBUG_SETUP
, "%s %f\n", __FUNCTION__
, alpha_ref_value
);
402 if(setup
->fs
.current
.jit_context
.alpha_ref_value
!= alpha_ref_value
) {
403 setup
->fs
.current
.jit_context
.alpha_ref_value
= alpha_ref_value
;
404 setup
->dirty
|= LP_SETUP_NEW_FS
;
409 lp_setup_set_blend_color( struct setup_context
*setup
,
410 const struct pipe_blend_color
*blend_color
)
412 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
416 if(memcmp(&setup
->blend_color
.current
, blend_color
, sizeof *blend_color
) != 0) {
417 memcpy(&setup
->blend_color
.current
, blend_color
, sizeof *blend_color
);
418 setup
->dirty
|= LP_SETUP_NEW_BLEND_COLOR
;
424 lp_setup_set_scissor( struct setup_context
*setup
,
425 const struct pipe_scissor_state
*scissor
)
427 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
431 if (memcmp(&setup
->scissor
.current
, scissor
, sizeof(*scissor
)) != 0) {
432 setup
->scissor
.current
= *scissor
; /* struct copy */
433 setup
->dirty
|= LP_SETUP_NEW_SCISSOR
;
439 lp_setup_set_flatshade_first( struct setup_context
*setup
,
440 boolean flatshade_first
)
442 setup
->flatshade_first
= flatshade_first
;
447 lp_setup_set_vertex_info( struct setup_context
*setup
,
448 struct vertex_info
*vertex_info
)
450 /* XXX: just silently holding onto the pointer:
452 setup
->vertex_info
= vertex_info
;
457 * Called during state validation when LP_NEW_TEXTURE is set.
460 lp_setup_set_sampler_textures( struct setup_context
*setup
,
461 unsigned num
, struct pipe_texture
**texture
)
465 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
467 assert(num
<= PIPE_MAX_SAMPLERS
);
469 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
470 struct pipe_texture
*tex
= i
< num
? texture
[i
] : NULL
;
473 struct llvmpipe_texture
*lp_tex
= llvmpipe_texture(tex
);
474 struct lp_jit_texture
*jit_tex
;
475 jit_tex
= &setup
->fs
.current
.jit_context
.textures
[i
];
476 jit_tex
->width
= tex
->width0
;
477 jit_tex
->height
= tex
->height0
;
478 jit_tex
->stride
= lp_tex
->stride
[0];
480 jit_tex
->data
= lp_tex
->data
;
482 /* FIXME: map the rendertarget */
485 /* the scene references this texture */
487 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
488 lp_scene_texture_reference(scene
, tex
);
493 setup
->dirty
|= LP_SETUP_NEW_FS
;
498 * Is the given texture referenced by any scene?
499 * Note: we have to check all scenes including any scenes currently
500 * being rendered and the current scene being built.
503 lp_setup_is_texture_referenced( const struct setup_context
*setup
,
504 const struct pipe_texture
*texture
)
508 /* check the render targets */
509 for (i
= 0; i
< setup
->fb
.nr_cbufs
; i
++) {
510 if (setup
->fb
.cbufs
[i
]->texture
== texture
)
511 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
513 if (setup
->fb
.zsbuf
&& setup
->fb
.zsbuf
->texture
== texture
) {
514 return PIPE_REFERENCED_FOR_READ
| PIPE_REFERENCED_FOR_WRITE
;
517 /* check textures referenced by the scene */
518 for (i
= 0; i
< Elements(setup
->scenes
); i
++) {
519 if (lp_scene_is_textured_referenced(setup
->scenes
[i
], texture
)) {
520 return PIPE_REFERENCED_FOR_READ
;
524 return PIPE_UNREFERENCED
;
529 * Called by vbuf code when we're about to draw something.
532 lp_setup_update_state( struct setup_context
*setup
)
534 struct lp_scene
*scene
= lp_setup_get_current_scene(setup
);
536 LP_DBG(DEBUG_SETUP
, "%s\n", __FUNCTION__
);
538 assert(setup
->fs
.current
.jit_function
);
540 if(setup
->dirty
& LP_SETUP_NEW_BLEND_COLOR
) {
544 stored
= lp_scene_alloc_aligned(scene
, 4 * 16, 16);
546 /* smear each blend color component across 16 ubyte elements */
547 for (i
= 0; i
< 4; ++i
) {
548 uint8_t c
= float_to_ubyte(setup
->blend_color
.current
.color
[i
]);
549 for (j
= 0; j
< 16; ++j
)
550 stored
[i
*16 + j
] = c
;
553 setup
->blend_color
.stored
= stored
;
555 setup
->fs
.current
.jit_context
.blend_color
= setup
->blend_color
.stored
;
556 setup
->dirty
|= LP_SETUP_NEW_FS
;
559 if (setup
->dirty
& LP_SETUP_NEW_SCISSOR
) {
562 stored
= lp_scene_alloc_aligned(scene
, 4 * sizeof(int32_t), 16);
564 stored
[0] = (float) setup
->scissor
.current
.minx
;
565 stored
[1] = (float) setup
->scissor
.current
.miny
;
566 stored
[2] = (float) setup
->scissor
.current
.maxx
;
567 stored
[3] = (float) setup
->scissor
.current
.maxy
;
569 setup
->scissor
.stored
= stored
;
571 setup
->fs
.current
.jit_context
.scissor_xmin
= stored
[0];
572 setup
->fs
.current
.jit_context
.scissor_ymin
= stored
[1];
573 setup
->fs
.current
.jit_context
.scissor_xmax
= stored
[2];
574 setup
->fs
.current
.jit_context
.scissor_ymax
= stored
[3];
576 setup
->dirty
|= LP_SETUP_NEW_FS
;
579 if(setup
->dirty
& LP_SETUP_NEW_CONSTANTS
) {
580 struct pipe_buffer
*buffer
= setup
->constants
.current
;
583 unsigned current_size
= buffer
->size
;
584 const void *current_data
= llvmpipe_buffer(buffer
)->data
;
586 /* TODO: copy only the actually used constants? */
588 if(setup
->constants
.stored_size
!= current_size
||
589 !setup
->constants
.stored_data
||
590 memcmp(setup
->constants
.stored_data
,
592 current_size
) != 0) {
595 stored
= lp_scene_alloc(scene
, current_size
);
600 setup
->constants
.stored_size
= current_size
;
601 setup
->constants
.stored_data
= stored
;
606 setup
->constants
.stored_size
= 0;
607 setup
->constants
.stored_data
= NULL
;
610 setup
->fs
.current
.jit_context
.constants
= setup
->constants
.stored_data
;
611 setup
->dirty
|= LP_SETUP_NEW_FS
;
615 if(setup
->dirty
& LP_SETUP_NEW_FS
) {
616 if(!setup
->fs
.stored
||
617 memcmp(setup
->fs
.stored
,
619 sizeof setup
->fs
.current
) != 0) {
620 /* The fs state that's been stored in the scene is different from
621 * the new, current state. So allocate a new lp_rast_state object
622 * and append it to the bin's setup data buffer.
624 struct lp_rast_state
*stored
=
625 (struct lp_rast_state
*) lp_scene_alloc(scene
, sizeof *stored
);
629 sizeof setup
->fs
.current
);
630 setup
->fs
.stored
= stored
;
632 /* put the state-set command into all bins */
633 lp_scene_bin_state_command( scene
,
635 lp_rast_arg_state(setup
->fs
.stored
) );
642 assert(setup
->fs
.stored
);
647 /* Only caller is lp_setup_vbuf_destroy()
650 lp_setup_destroy( struct setup_context
*setup
)
652 reset_context( setup
);
654 pipe_buffer_reference(&setup
->constants
.current
, NULL
);
656 /* free the scenes in the 'empty' queue */
658 struct lp_scene
*scene
= lp_scene_dequeue(setup
->empty_scenes
, FALSE
);
661 lp_scene_destroy(scene
);
664 lp_rast_destroy( setup
->rast
);
671 * Create a new primitive tiling engine. Plug it into the backend of
672 * the draw module. Currently also creates a rasterizer to use with
675 struct setup_context
*
676 lp_setup_create( struct pipe_screen
*screen
,
677 struct draw_context
*draw
)
680 struct setup_context
*setup
= CALLOC_STRUCT(setup_context
);
685 lp_setup_init_vbuf(setup
);
687 setup
->empty_scenes
= lp_scene_queue_create();
688 if (!setup
->empty_scenes
)
691 setup
->rast
= lp_rast_create( screen
, setup
->empty_scenes
);
695 setup
->vbuf
= draw_vbuf_stage(draw
, &setup
->base
);
699 draw_set_rasterize_stage(draw
, setup
->vbuf
);
700 draw_set_render(draw
, &setup
->base
);
702 /* create some empty scenes */
703 for (i
= 0; i
< MAX_SCENES
; i
++) {
704 setup
->scenes
[i
] = lp_scene_create();
705 lp_scene_enqueue(setup
->empty_scenes
, setup
->scenes
[i
]);
708 setup
->triangle
= first_triangle
;
709 setup
->line
= first_line
;
710 setup
->point
= first_point
;
718 lp_rast_destroy( setup
->rast
);
723 if (setup
->empty_scenes
)
724 lp_scene_queue_destroy(setup
->empty_scenes
);