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 "pipe/p_state.h"
32 #include "util/u_inlines.h"
33 #include "util/u_framebuffer.h"
34 #include "util/u_surface.h"
35 #include "lp_context.h"
40 #include "draw/draw_context.h"
42 #include "util/u_format.h"
46 * Set the framebuffer surface info: color buffers, zbuffer, stencil buffer.
49 llvmpipe_set_framebuffer_state(struct pipe_context
*pipe
,
50 const struct pipe_framebuffer_state
*fb
)
52 struct llvmpipe_context
*lp
= llvmpipe_context(pipe
);
54 boolean changed
= !util_framebuffer_state_equal(&lp
->framebuffer
, fb
);
56 assert(fb
->width
<= LP_MAX_WIDTH
);
57 assert(fb
->height
<= LP_MAX_HEIGHT
);
61 util_copy_framebuffer_state(&lp
->framebuffer
, fb
);
63 if (LP_PERF
& PERF_NO_DEPTH
) {
64 pipe_surface_reference(&lp
->framebuffer
.zsbuf
, NULL
);
67 /* Tell draw module how deep the Z/depth buffer is */
68 if (lp
->framebuffer
.zsbuf
) {
71 depth_bits
= util_format_get_component_bits(lp
->framebuffer
.zsbuf
->format
,
72 UTIL_FORMAT_COLORSPACE_ZS
,
74 if (depth_bits
> 16) {
80 draw_set_mrd(lp
->draw
, mrd
);
83 lp_setup_bind_framebuffer( lp
->setup
, &lp
->framebuffer
);
85 lp
->dirty
|= LP_NEW_FRAMEBUFFER
;