1 /**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
4 * All Rights Reserved.
5 * Copyright 2009 VMware, Inc. All Rights Reserved.
6 *
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:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
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 VMWARE 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.
26 *
27 **************************************************************************/
28
29 /* Author:
30 * Brian Paul
31 * Michel Dänzer
32 */
33
34
35 #include "pipe/p_defines.h"
36 #include "lp_clear.h"
37 #include "lp_context.h"
38 #include "lp_setup.h"
39 #include "lp_query.h"
40 #include "lp_debug.h"
41
42
43 /**
44 * Clear the given buffers to the specified values.
45 * No masking, no scissor (clear entire buffer).
46 */
47 void
llvmpipe_clear(struct pipe_context * pipe,unsigned buffers,const union pipe_color_union * color,double depth,unsigned stencil)48 llvmpipe_clear(struct pipe_context *pipe,
49 unsigned buffers,
50 const union pipe_color_union *color,
51 double depth,
52 unsigned stencil)
53 {
54 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
55
56 if (!llvmpipe_check_render_cond(llvmpipe))
57 return;
58
59 if (LP_PERF & PERF_NO_DEPTH)
60 buffers &= ~PIPE_CLEAR_DEPTHSTENCIL;
61
62 lp_setup_clear( llvmpipe->setup, color, depth, stencil, buffers );
63 }
64