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 "sp_context.h"
33 #include "sp_surface.h"
34 #include "sp_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 softpipe_set_framebuffer_state(struct pipe_context
*pipe
,
49 const struct pipe_framebuffer_state
*fb
)
51 struct softpipe_context
*sp
= softpipe_context(pipe
);
54 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
55 /* check if changing cbuf */
56 if (sp
->framebuffer
.cbufs
[i
] != fb
->cbufs
[i
]) {
58 sp_flush_tile_cache(sp
->cbuf_cache
[i
]);
61 pipe_surface_reference(&sp
->framebuffer
.cbufs
[i
], fb
->cbufs
[i
]);
64 sp_tile_cache_set_surface(sp
->cbuf_cache
[i
], fb
->cbufs
[i
]);
68 sp
->framebuffer
.nr_cbufs
= fb
->nr_cbufs
;
71 if (sp
->framebuffer
.zsbuf
!= fb
->zsbuf
) {
73 sp_flush_tile_cache(sp
->zsbuf_cache
);
76 pipe_surface_reference(&sp
->framebuffer
.zsbuf
, fb
->zsbuf
);
79 sp_tile_cache_set_surface(sp
->zsbuf_cache
, fb
->zsbuf
);
81 /* Tell draw module how deep the Z/depth buffer is */
82 if (sp
->framebuffer
.zsbuf
) {
85 depth_bits
= util_format_get_component_bits(sp
->framebuffer
.zsbuf
->format
,
86 UTIL_FORMAT_COLORSPACE_ZS
,
88 if (depth_bits
> 16) {
94 draw_set_mrd(sp
->draw
, mrd
);
98 sp
->framebuffer
.width
= fb
->width
;
99 sp
->framebuffer
.height
= fb
->height
;
101 sp
->dirty
|= SP_NEW_FRAMEBUFFER
;