1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
5 * Copyright 2009 VMware, Inc. All Rights Reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 **************************************************************************/
35 #include "pipe/p_defines.h"
36 #include "util/u_pack_color.h"
38 #include "sp_context.h"
40 #include "sp_tile_cache.h"
44 * Clear the given buffers to the specified values.
45 * No masking, no scissor (clear entire buffer).
48 softpipe_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba,
49 double depth, unsigned stencil)
51 struct softpipe_context *softpipe = softpipe_context(pipe);
56 if (softpipe->no_rast)
59 if (!softpipe_check_render_cond(softpipe))
63 softpipe_update_derived(softpipe); /* not needed?? */
66 if (buffers & PIPE_CLEAR_COLOR) {
67 for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
68 struct pipe_surface *ps = softpipe->framebuffer.cbufs[i];
70 util_pack_color(rgba, ps->format, &uc);
71 sp_tile_cache_clear(softpipe->cbuf_cache[i], rgba, uc.ui);
75 if (buffers & PIPE_CLEAR_DEPTHSTENCIL) {
76 static const float zero[4] = { 0.0F, 0.0F, 0.0F, 0.0F };
77 struct pipe_surface *ps = softpipe->framebuffer.zsbuf;
79 cv = util_pack_z_stencil(ps->format, depth, stencil);
80 sp_tile_cache_clear(softpipe->zsbuf_cache, zero, cv);
83 softpipe->dirty_render_cache = TRUE;