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 **************************************************************************/
28 /* Authors: Keith Whitwell <keith@tungstengraphics.com>
31 #include "lp_context.h"
33 #include "lp_surface.h"
34 #include "lp_tile_cache.h"
36 #include "draw/draw_context.h"
38 #include "util/u_format.h"
42 * XXX this might get moved someday
43 * Set the framebuffer surface info: color buffers, zbuffer, stencil buffer.
44 * Here, we flush the old surfaces and update the tile cache to point to the new
48 llvmpipe_set_framebuffer_state(struct pipe_context
*pipe
,
49 const struct pipe_framebuffer_state
*fb
)
51 struct llvmpipe_context
*lp
= llvmpipe_context(pipe
);
54 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
55 /* check if changing cbuf */
56 if (lp
->framebuffer
.cbufs
[i
] != fb
->cbufs
[i
]) {
58 lp_tile_cache_map_transfers(lp
->cbuf_cache
[i
]);
59 lp_flush_tile_cache(lp
->cbuf_cache
[i
]);
62 pipe_surface_reference(&lp
->framebuffer
.cbufs
[i
], fb
->cbufs
[i
]);
65 lp_tile_cache_set_surface(lp
->cbuf_cache
[i
], fb
->cbufs
[i
]);
69 lp
->framebuffer
.nr_cbufs
= fb
->nr_cbufs
;
72 if (lp
->framebuffer
.zsbuf
!= fb
->zsbuf
) {
74 if(lp
->zsbuf_transfer
) {
75 struct pipe_screen
*screen
= pipe
->screen
;
78 screen
->transfer_unmap(screen
, lp
->zsbuf_transfer
);
82 screen
->tex_transfer_destroy(lp
->zsbuf_transfer
);
83 lp
->zsbuf_transfer
= NULL
;
87 pipe_surface_reference(&lp
->framebuffer
.zsbuf
, fb
->zsbuf
);
89 /* Tell draw module how deep the Z/depth buffer is */
90 if (lp
->framebuffer
.zsbuf
) {
93 depth_bits
= util_format_get_component_bits(lp
->framebuffer
.zsbuf
->format
,
94 UTIL_FORMAT_COLORSPACE_ZS
,
96 if (depth_bits
> 16) {
102 draw_set_mrd(lp
->draw
, mrd
);
106 lp
->framebuffer
.width
= fb
->width
;
107 lp
->framebuffer
.height
= fb
->height
;
109 lp
->dirty
|= LP_NEW_FRAMEBUFFER
;