2 * Copyright © 2014 Intel Corporation
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:
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
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.
24 #include "brw_context.h"
25 #include "brw_state.h"
26 #include "brw_defines.h"
27 #include "intel_batchbuffer.h"
28 #include "main/shaderapi.h"
31 gen7_upload_tes_push_constants(struct brw_context
*brw
)
33 struct brw_stage_state
*stage_state
= &brw
->tes
.base
;
34 /* BRW_NEW_TESS_PROGRAMS */
35 const struct brw_tess_eval_program
*tep
=
36 (struct brw_tess_eval_program
*) brw
->tess_eval_program
;
39 /* BRW_NEW_TES_PROG_DATA */
40 const struct brw_stage_prog_data
*prog_data
= &brw
->tes
.prog_data
->base
.base
;
41 _mesa_shader_write_subroutine_indices(&brw
->ctx
, MESA_SHADER_TESS_EVAL
);
42 gen6_upload_push_constants(brw
, &tep
->program
.Base
, prog_data
,
43 stage_state
, AUB_TRACE_VS_CONSTANTS
);
46 gen7_upload_constant_state(brw
, stage_state
, tep
, _3DSTATE_CONSTANT_DS
);
49 const struct brw_tracked_state gen7_tes_push_constants
= {
51 .mesa
= _NEW_PROGRAM_CONSTANTS
,
52 .brw
= BRW_NEW_BATCH
|
54 BRW_NEW_PUSH_CONSTANT_ALLOCATION
|
55 BRW_NEW_TESS_PROGRAMS
|
56 BRW_NEW_TES_PROG_DATA
,
58 .emit
= gen7_upload_tes_push_constants
,
62 gen7_upload_ds_state(struct brw_context
*brw
)
64 const struct brw_stage_state
*stage_state
= &brw
->tes
.base
;
65 /* BRW_NEW_TESS_PROGRAMS */
66 bool active
= brw
->tess_eval_program
;
68 /* BRW_NEW_TES_PROG_DATA */
69 const struct brw_tes_prog_data
*tes_prog_data
= brw
->tes
.prog_data
;
70 const struct brw_vue_prog_data
*vue_prog_data
= &tes_prog_data
->base
;
71 const struct brw_stage_prog_data
*prog_data
= &vue_prog_data
->base
;
73 const unsigned thread_count
= (brw
->max_ds_threads
- 1) <<
74 (brw
->is_haswell
? HSW_DS_MAX_THREADS_SHIFT
: GEN7_DS_MAX_THREADS_SHIFT
);
78 OUT_BATCH(_3DSTATE_DS
<< 16 | (6 - 2));
79 OUT_BATCH(stage_state
->prog_offset
);
80 OUT_BATCH(SET_FIELD(DIV_ROUND_UP(stage_state
->sampler_count
, 4),
81 GEN7_DS_SAMPLER_COUNT
) |
82 SET_FIELD(prog_data
->binding_table
.size_bytes
/ 4,
83 GEN7_DS_BINDING_TABLE_ENTRY_COUNT
));
84 if (prog_data
->total_scratch
) {
85 OUT_RELOC(stage_state
->scratch_bo
,
86 I915_GEM_DOMAIN_RENDER
, I915_GEM_DOMAIN_RENDER
,
87 ffs(stage_state
->per_thread_scratch
) - 11);
91 OUT_BATCH(SET_FIELD(prog_data
->dispatch_grf_start_reg
,
92 GEN7_DS_DISPATCH_START_GRF
) |
93 SET_FIELD(vue_prog_data
->urb_read_length
,
94 GEN7_DS_URB_READ_LENGTH
));
96 OUT_BATCH(GEN7_DS_ENABLE
|
97 GEN7_DS_STATISTICS_ENABLE
|
99 (tes_prog_data
->domain
== BRW_TESS_DOMAIN_TRI
?
100 GEN7_DS_COMPUTE_W_COORDINATE_ENABLE
: 0));
104 OUT_BATCH(_3DSTATE_DS
<< 16 | (6 - 2));
112 brw
->tes
.enabled
= active
;
115 const struct brw_tracked_state gen7_ds_state
= {
117 .mesa
= _NEW_TRANSFORM
,
118 .brw
= BRW_NEW_BATCH
|
121 BRW_NEW_TESS_PROGRAMS
|
122 BRW_NEW_TES_PROG_DATA
,
124 .emit
= gen7_upload_ds_state
,