2 * Copyright © 2013 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"
30 gen8_upload_gs_state(struct brw_context
*brw
)
32 const struct gen_device_info
*devinfo
= &brw
->screen
->devinfo
;
33 const struct brw_stage_state
*stage_state
= &brw
->gs
.base
;
34 /* BRW_NEW_GEOMETRY_PROGRAM */
35 bool active
= brw
->geometry_program
;
36 /* BRW_NEW_GS_PROG_DATA */
37 const struct brw_stage_prog_data
*prog_data
= stage_state
->prog_data
;
38 const struct brw_vue_prog_data
*vue_prog_data
=
39 brw_vue_prog_data(stage_state
->prog_data
);
40 const struct brw_gs_prog_data
*gs_prog_data
=
41 brw_gs_prog_data(stage_state
->prog_data
);
44 int urb_entry_write_offset
= 1;
45 uint32_t urb_entry_output_length
=
46 ((vue_prog_data
->vue_map
.num_slots
+ 1) / 2 - urb_entry_write_offset
);
48 if (urb_entry_output_length
== 0)
49 urb_entry_output_length
= 1;
52 OUT_BATCH(_3DSTATE_GS
<< 16 | (10 - 2));
53 OUT_BATCH(stage_state
->prog_offset
);
55 OUT_BATCH(gs_prog_data
->vertices_in
|
56 ((ALIGN(stage_state
->sampler_count
, 4)/4) <<
57 GEN6_GS_SAMPLER_COUNT_SHIFT
) |
58 ((prog_data
->binding_table
.size_bytes
/ 4) <<
59 GEN6_GS_BINDING_TABLE_ENTRY_COUNT_SHIFT
));
61 if (prog_data
->total_scratch
) {
62 OUT_RELOC64(stage_state
->scratch_bo
,
63 I915_GEM_DOMAIN_RENDER
, I915_GEM_DOMAIN_RENDER
,
64 ffs(stage_state
->per_thread_scratch
) - 11);
71 OUT_BATCH(((gs_prog_data
->output_vertex_size_hwords
* 2 - 1) <<
72 GEN7_GS_OUTPUT_VERTEX_SIZE_SHIFT
) |
73 (gs_prog_data
->output_topology
<<
74 GEN7_GS_OUTPUT_TOPOLOGY_SHIFT
) |
75 (vue_prog_data
->include_vue_handles
?
76 GEN7_GS_INCLUDE_VERTEX_HANDLES
: 0) |
77 (vue_prog_data
->urb_read_length
<<
78 GEN6_GS_URB_READ_LENGTH_SHIFT
) |
79 (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT
) |
80 (prog_data
->dispatch_grf_start_reg
<<
81 GEN6_GS_DISPATCH_START_GRF_SHIFT
));
83 uint32_t dw7
= (gs_prog_data
->control_data_header_size_hwords
<<
84 GEN7_GS_CONTROL_DATA_HEADER_SIZE_SHIFT
) |
85 SET_FIELD(vue_prog_data
->dispatch_mode
,
86 GEN7_GS_DISPATCH_MODE
) |
87 ((gs_prog_data
->invocations
- 1) <<
88 GEN7_GS_INSTANCE_CONTROL_SHIFT
) |
89 GEN6_GS_STATISTICS_ENABLE
|
90 (gs_prog_data
->include_primitive_id
?
91 GEN7_GS_INCLUDE_PRIMITIVE_ID
: 0) |
92 GEN7_GS_REORDER_TRAILING
|
94 uint32_t dw8
= gs_prog_data
->control_data_format
<<
95 HSW_GS_CONTROL_DATA_FORMAT_SHIFT
;
97 if (gs_prog_data
->static_vertex_count
!= -1) {
98 dw8
|= GEN8_GS_STATIC_OUTPUT
|
99 SET_FIELD(gs_prog_data
->static_vertex_count
,
100 GEN8_GS_STATIC_VERTEX_COUNT
);
104 dw7
|= (devinfo
->max_gs_threads
/ 2 - 1) << HSW_GS_MAX_THREADS_SHIFT
;
106 dw8
|= devinfo
->max_gs_threads
- 1;
115 OUT_BATCH(vue_prog_data
->cull_distance_mask
|
116 (urb_entry_output_length
<< GEN8_GS_URB_OUTPUT_LENGTH_SHIFT
) |
117 (urb_entry_write_offset
<<
118 GEN8_GS_URB_ENTRY_OUTPUT_OFFSET_SHIFT
));
122 OUT_BATCH(_3DSTATE_GS
<< 16 | (10 - 2));
123 OUT_BATCH(0); /* prog_bo */
126 OUT_BATCH(0); /* scratch space base offset */
129 OUT_BATCH(GEN6_GS_STATISTICS_ENABLE
);
136 const struct brw_tracked_state gen8_gs_state
= {
139 .brw
= BRW_NEW_BATCH
|
142 BRW_NEW_GEOMETRY_PROGRAM
|
143 BRW_NEW_GS_PROG_DATA
,
145 .emit
= gen8_upload_gs_state
,