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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    BEGIN_BATCH(4);
37    OUT_BATCH(_3DSTATE_SAMPLER_STATE_POINTERS << 16 |
38 	     VS_SAMPLER_STATE_CHANGE |
39 	     GS_SAMPLER_STATE_CHANGE |
40 	     PS_SAMPLER_STATE_CHANGE |
41 	     (4 - 2));
42    OUT_BATCH(brw->vs.base.sampler_offset); /* VS */
43    OUT_BATCH(brw->gs.base.sampler_offset); /* GS */
44    OUT_BATCH(brw->wm.base.sampler_offset);
45    ADVANCE_BATCH();
46 }
47 
48 const struct brw_tracked_state gen6_sampler_state = {
49    .dirty = {
50       .mesa = 0,
51       .brw = BRW_NEW_BATCH |
52              BRW_NEW_BLORP |
53              BRW_NEW_SAMPLER_STATE_TABLE |
54              BRW_NEW_STATE_BASE_ADDRESS,
55    },
56    .emit = upload_sampler_state_pointers,
57 };
58