1 /**************************************************************************
3 * Copyright 2009 VMware, Inc. All Rights Reserved.
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:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
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.
25 **************************************************************************/
32 #include "pipe/p_context.h"
33 #include "pipe/p_state.h"
34 #include "util/u_pack_color.h"
35 #include "util/u_rect.h"
39 * Clear the given buffers to the specified values.
40 * No masking, no scissor (clear entire buffer).
43 util_clear(struct pipe_context
*pipe
,
44 struct pipe_framebuffer_state
*framebuffer
, unsigned buffers
,
45 const float *rgba
, double depth
, unsigned stencil
)
47 if (buffers
& PIPE_CLEAR_COLOR
) {
48 struct pipe_surface
*ps
= framebuffer
->cbufs
[0];
51 util_pack_color(rgba
, ps
->format
, &color
);
52 if (pipe
->surface_fill
) {
53 pipe
->surface_fill(pipe
, ps
, 0, 0, ps
->width
, ps
->height
, color
);
55 util_surface_fill(pipe
, ps
, 0, 0, ps
->width
, ps
->height
, color
);
59 if (buffers
& PIPE_CLEAR_DEPTHSTENCIL
) {
60 struct pipe_surface
*ps
= framebuffer
->zsbuf
;
62 if (pipe
->surface_fill
) {
63 pipe
->surface_fill(pipe
, ps
, 0, 0, ps
->width
, ps
->height
,
64 util_pack_z_stencil(ps
->format
, depth
, stencil
));
66 util_surface_fill(pipe
, ps
, 0, 0, ps
->width
, ps
->height
,
67 util_pack_z_stencil(ps
->format
, depth
, stencil
));