revert between 56095 -> 55830 in arch
[AROS.git] / workbench / libs / mesa / src / gallium / drivers / softpipe / sp_state_surface.c
blob2db6faeca465ae838193f20a33f7b4c19f852781
1 /**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
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
16 * of the Software.
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"
32 #include "sp_state.h"
33 #include "sp_tile_cache.h"
35 #include "draw/draw_context.h"
37 #include "util/u_format.h"
38 #include "util/u_inlines.h"
41 /**
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
45 * surfaces.
47 void
48 softpipe_set_framebuffer_state(struct pipe_context *pipe,
49 const struct pipe_framebuffer_state *fb)
51 struct softpipe_context *sp = softpipe_context(pipe);
52 uint i;
54 draw_flush(sp->draw);
56 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
57 /* check if changing cbuf */
58 if (sp->framebuffer.cbufs[i] != fb->cbufs[i]) {
59 /* flush old */
60 sp_flush_tile_cache(sp->cbuf_cache[i]);
62 /* assign new */
63 pipe_surface_reference(&sp->framebuffer.cbufs[i], fb->cbufs[i]);
65 /* update cache */
66 sp_tile_cache_set_surface(sp->cbuf_cache[i], fb->cbufs[i]);
70 sp->framebuffer.nr_cbufs = fb->nr_cbufs;
72 /* zbuf changing? */
73 if (sp->framebuffer.zsbuf != fb->zsbuf) {
74 /* flush old */
75 sp_flush_tile_cache(sp->zsbuf_cache);
77 /* assign new */
78 pipe_surface_reference(&sp->framebuffer.zsbuf, fb->zsbuf);
80 /* update cache */
81 sp_tile_cache_set_surface(sp->zsbuf_cache, fb->zsbuf);
83 /* Tell draw module how deep the Z/depth buffer is */
84 if (sp->framebuffer.zsbuf) {
85 int depth_bits;
86 double mrd;
87 depth_bits = util_format_get_component_bits(sp->framebuffer.zsbuf->format,
88 UTIL_FORMAT_COLORSPACE_ZS,
89 0);
90 if (depth_bits > 16) {
91 mrd = 0.0000001;
93 else {
94 mrd = 0.00002;
96 draw_set_mrd(sp->draw, mrd);
100 sp->framebuffer.width = fb->width;
101 sp->framebuffer.height = fb->height;
103 sp->dirty |= SP_NEW_FRAMEBUFFER;