1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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
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 **************************************************************************/
30 * Keith Whitwell <keith@tungstengraphics.com>
34 #include "st_context.h"
36 #include "pipe/p_context.h"
40 update_clear_color_state( struct st_context
*st
)
42 struct pipe_clear_color_state clear
;
44 clear
.color
[0] = st
->ctx
->Color
.ClearColor
[0];
45 clear
.color
[1] = st
->ctx
->Color
.ClearColor
[1];
46 clear
.color
[2] = st
->ctx
->Color
.ClearColor
[2];
47 clear
.color
[3] = st
->ctx
->Color
.ClearColor
[3];
49 if (memcmp(&clear
, &st
->state
.clear_color
, sizeof(clear
)) != 0) {
50 st
->state
.clear_color
= clear
;
51 st
->pipe
->set_clear_color_state( st
->pipe
, &clear
);
56 const struct st_tracked_state st_update_clear_color
= {
57 .name
= "st_update_clear_color",
62 .update
= update_clear_color_state