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"),
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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
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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 struct gl_context
*ctx
= &brw
->ctx
;
33 const struct brw_stage_state
*stage_state
= &brw
->gs
.base
;
34 /* BRW_NEW_GEOMETRY_PROGRAM */
35 bool active
= brw
->geometry_program
;
36 /* CACHE_NEW_GS_PROG */
37 const struct brw_vec4_prog_data
*prog_data
= &brw
->gs
.prog_data
->base
;
40 int urb_entry_write_offset
= 1;
41 uint32_t urb_entry_output_length
=
42 ((prog_data
->vue_map
.num_slots
+ 1) / 2 - urb_entry_write_offset
);
44 if (urb_entry_output_length
== 0)
45 urb_entry_output_length
= 1;
48 OUT_BATCH(_3DSTATE_GS
<< 16 | (10 - 2));
49 OUT_BATCH(stage_state
->prog_offset
);
51 OUT_BATCH(GEN6_GS_VECTOR_MASK_ENABLE
|
52 brw
->geometry_program
->VerticesIn
|
53 ((ALIGN(stage_state
->sampler_count
, 4)/4) <<
54 GEN6_GS_SAMPLER_COUNT_SHIFT
) |
55 ((prog_data
->base
.binding_table
.size_bytes
/ 4) <<
56 GEN6_GS_BINDING_TABLE_ENTRY_COUNT_SHIFT
));
58 if (brw
->gs
.prog_data
->base
.base
.total_scratch
) {
59 OUT_RELOC64(stage_state
->scratch_bo
,
60 I915_GEM_DOMAIN_RENDER
, I915_GEM_DOMAIN_RENDER
,
61 ffs(brw
->gs
.prog_data
->base
.base
.total_scratch
) - 11);
63 "May need to implement a temporary workaround: GS Number of "
64 "URB Entries must be less than or equal to the GS Maximum "
65 "Number of Threads.\n");
72 OUT_BATCH(((brw
->gs
.prog_data
->output_vertex_size_hwords
* 2 - 1) <<
73 GEN7_GS_OUTPUT_VERTEX_SIZE_SHIFT
) |
74 (brw
->gs
.prog_data
->output_topology
<<
75 GEN7_GS_OUTPUT_TOPOLOGY_SHIFT
) |
76 (prog_data
->urb_read_length
<<
77 GEN6_GS_URB_READ_LENGTH_SHIFT
) |
78 (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT
) |
79 (prog_data
->base
.dispatch_grf_start_reg
<<
80 GEN6_GS_DISPATCH_START_GRF_SHIFT
));
83 OUT_BATCH(((brw
->max_gs_threads
/ 2 - 1) << HSW_GS_MAX_THREADS_SHIFT
) |
84 (brw
->gs
.prog_data
->control_data_header_size_hwords
<<
85 GEN7_GS_CONTROL_DATA_HEADER_SIZE_SHIFT
) |
86 brw
->gs
.prog_data
->dispatch_mode
|
87 GEN6_GS_STATISTICS_ENABLE
|
88 (brw
->gs
.prog_data
->include_primitive_id
?
89 GEN7_GS_INCLUDE_PRIMITIVE_ID
: 0) |
90 GEN7_GS_REORDER_TRAILING
|
94 OUT_BATCH(brw
->gs
.prog_data
->control_data_format
<<
95 HSW_GS_CONTROL_DATA_FORMAT_SHIFT
);
97 /* DW9 / _NEW_TRANSFORM */
98 OUT_BATCH((ctx
->Transform
.ClipPlanesEnabled
<<
99 GEN8_GS_USER_CLIP_DISTANCE_SHIFT
) |
100 (urb_entry_output_length
<< GEN8_GS_URB_OUTPUT_LENGTH_SHIFT
) |
101 (urb_entry_write_offset
<<
102 GEN8_GS_URB_ENTRY_OUTPUT_OFFSET_SHIFT
));
106 OUT_BATCH(_3DSTATE_GS
<< 16 | (10 - 2));
107 OUT_BATCH(0); /* prog_bo */
110 OUT_BATCH(0); /* scratch space base offset */
113 OUT_BATCH(GEN6_GS_STATISTICS_ENABLE
);
120 const struct brw_tracked_state gen8_gs_state
= {
122 .mesa
= _NEW_TRANSFORM
,
123 .brw
= (BRW_NEW_CONTEXT
|
124 BRW_NEW_GEOMETRY_PROGRAM
|
126 .cache
= CACHE_NEW_GS_PROG
128 .emit
= gen8_upload_gs_state
,