i965: Handle swizzles in the addition of YUV texture constants.
[mesa.git] / src / mesa / drivers / dri / i965 / brw_state.c
1 /*
2 * Copyright © 2010 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 * Eric Anholt <eric@anholt.net>
25 *
26 */
27
28 #include "brw_context.h"
29
30 void
31 brw_enable(GLcontext *ctx, GLenum cap, GLboolean state)
32 {
33 struct brw_context *brw = brw_context(ctx);
34
35 switch (cap) {
36 case GL_DEPTH_CLAMP:
37 brw_update_cc_vp(brw);
38 break;
39 }
40 }
41
42 void
43 brw_depth_range(GLcontext *ctx, GLclampd nearval, GLclampd farval)
44 {
45 struct brw_context *brw = brw_context(ctx);
46
47 if (ctx->Transform.DepthClamp)
48 brw_update_cc_vp(brw);
49 }