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 #include "brw_state.h"
30 #include "brw_defines.h"
31 #include "intel_batchbuffer.h"
32
33 static void
upload_sampler_state_pointers(struct brw_context * brw)34 upload_sampler_state_pointers(struct brw_context *brw)
35 {
36 struct intel_context *intel = &brw->intel;
37
38 BEGIN_BATCH(4);
39 OUT_BATCH(_3DSTATE_SAMPLER_STATE_POINTERS << 16 |
40 VS_SAMPLER_STATE_CHANGE |
41 GS_SAMPLER_STATE_CHANGE |
42 PS_SAMPLER_STATE_CHANGE |
43 (4 - 2));
44 OUT_BATCH(brw->sampler.offset); /* VS */
45 OUT_BATCH(0); /* GS */
46 OUT_BATCH(brw->sampler.offset);
47 ADVANCE_BATCH();
48 }
49
50 const struct brw_tracked_state gen6_sampler_state = {
51 .dirty = {
52 .mesa = 0,
53 .brw = (BRW_NEW_BATCH |
54 BRW_NEW_STATE_BASE_ADDRESS),
55 .cache = CACHE_NEW_SAMPLER
56 },
57 .emit = upload_sampler_state_pointers,
58 };
59