1 /*
2 * Copyright © 2014 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
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24 #include "brw_context.h"
25 #include "brw_state.h"
26 #include "brw_defines.h"
27 #include "intel_batchbuffer.h"
28
29 static void
upload_te_state(struct brw_context * brw)30 upload_te_state(struct brw_context *brw)
31 {
32 /* BRW_NEW_TESS_PROGRAMS */
33 bool active = brw->tess_eval_program;
34
35 const struct brw_tes_prog_data *tes_prog_data =
36 brw_tes_prog_data(brw->tes.base.prog_data);
37
38 if (active) {
39 BEGIN_BATCH(4);
40 OUT_BATCH(_3DSTATE_TE << 16 | (4 - 2));
41 OUT_BATCH((tes_prog_data->partitioning << GEN7_TE_PARTITIONING_SHIFT) |
42 (tes_prog_data->output_topology << GEN7_TE_OUTPUT_TOPOLOGY_SHIFT) |
43 (tes_prog_data->domain << GEN7_TE_DOMAIN_SHIFT) |
44 GEN7_TE_ENABLE);
45 OUT_BATCH_F(63.0);
46 OUT_BATCH_F(64.0);
47 ADVANCE_BATCH();
48 } else {
49 BEGIN_BATCH(4);
50 OUT_BATCH(_3DSTATE_TE << 16 | (4 - 2));
51 OUT_BATCH(0);
52 OUT_BATCH_F(0);
53 OUT_BATCH_F(0);
54 ADVANCE_BATCH();
55 }
56 }
57
58 const struct brw_tracked_state gen7_te_state = {
59 .dirty = {
60 .mesa = 0,
61 .brw = BRW_NEW_BLORP |
62 BRW_NEW_CONTEXT |
63 BRW_NEW_TES_PROG_DATA |
64 BRW_NEW_TESS_PROGRAMS,
65 },
66 .emit = upload_te_state,
67 };
68