1 /**************************************************************************
2 *
3 * Copyright 2009 VMware, Inc. All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
15 * of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 **************************************************************************/
26
27 /* Authors:
28 * Michel Dänzer
29 */
30
31
32 #include "pipe/p_context.h"
33 #include "pipe/p_state.h"
34
35
36 /**
37 * Clear the given buffers to the specified values.
38 * No masking, no scissor (clear entire buffer).
39 */
40 static INLINE void
util_clear(struct pipe_context * pipe,struct pipe_framebuffer_state * framebuffer,unsigned buffers,const union pipe_color_union * color,double depth,unsigned stencil)41 util_clear(struct pipe_context *pipe,
42 struct pipe_framebuffer_state *framebuffer, unsigned buffers,
43 const union pipe_color_union *color, double depth, unsigned stencil)
44 {
45 if (buffers & PIPE_CLEAR_COLOR) {
46 unsigned i;
47 for (i = 0; i < framebuffer->nr_cbufs; i++) {
48 struct pipe_surface *ps = framebuffer->cbufs[i];
49 pipe->clear_render_target(pipe, ps, color, 0, 0, ps->width, ps->height);
50 }
51 }
52
53 if (buffers & PIPE_CLEAR_DEPTHSTENCIL) {
54 struct pipe_surface *ps = framebuffer->zsbuf;
55 pipe->clear_depth_stencil(pipe, ps, buffers & PIPE_CLEAR_DEPTHSTENCIL,
56 depth, stencil,
57 0, 0, ps->width, ps->height);
58 }
59 }
60