0b8bfc3d9bdd6a79ff48289784baad84908a50ec
[mesa.git] / src / mesa / drivers / dri / i965 / brw_gs_surface_state.c
1 /*
2 * Copyright © 2013 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
24 #include "main/mtypes.h"
25 #include "program/prog_parameter.h"
26
27 #include "brw_context.h"
28 #include "brw_state.h"
29
30
31 /* Creates a new GS constant buffer reflecting the current GS program's
32 * constants, if needed by the GS program.
33 *
34 * Otherwise, constants go through the CURBEs using the brw_constant_buffer
35 * state atom.
36 */
37 static void
38 brw_upload_gs_pull_constants(struct brw_context *brw)
39 {
40 struct brw_stage_state *stage_state = &brw->gs.base;
41
42 /* BRW_NEW_GEOMETRY_PROGRAM */
43 struct brw_geometry_program *gp =
44 (struct brw_geometry_program *) brw->geometry_program;
45
46 if (!gp)
47 return;
48
49 /* BRW_NEW_GS_PROG_DATA */
50 const struct brw_vue_prog_data *prog_data = &brw->gs.prog_data->base;
51 const bool dword_pitch = prog_data->dispatch_mode == DISPATCH_MODE_SIMD8;
52
53 /* _NEW_PROGRAM_CONSTANTS */
54 brw_upload_pull_constants(brw, BRW_NEW_GS_CONSTBUF, &gp->program.Base,
55 stage_state, &prog_data->base, dword_pitch);
56 }
57
58 const struct brw_tracked_state brw_gs_pull_constants = {
59 .dirty = {
60 .mesa = _NEW_PROGRAM_CONSTANTS,
61 .brw = BRW_NEW_BATCH |
62 BRW_NEW_GEOMETRY_PROGRAM |
63 BRW_NEW_GS_PROG_DATA,
64 },
65 .emit = brw_upload_gs_pull_constants,
66 };
67
68 static void
69 brw_upload_gs_ubo_surfaces(struct brw_context *brw)
70 {
71 struct gl_context *ctx = &brw->ctx;
72
73 /* _NEW_PROGRAM */
74 struct gl_shader_program *prog =
75 ctx->_Shader->CurrentProgram[MESA_SHADER_GEOMETRY];
76
77 if (!prog)
78 return;
79
80 /* BRW_NEW_GS_PROG_DATA */
81 struct brw_vue_prog_data *prog_data = &brw->gs.prog_data->base;
82 bool dword_pitch = prog_data->dispatch_mode == DISPATCH_MODE_SIMD8;
83
84 brw_upload_ubo_surfaces(brw, prog->_LinkedShaders[MESA_SHADER_GEOMETRY],
85 &brw->gs.base, &prog_data->base, dword_pitch);
86 }
87
88 const struct brw_tracked_state brw_gs_ubo_surfaces = {
89 .dirty = {
90 .mesa = _NEW_PROGRAM,
91 .brw = BRW_NEW_BATCH |
92 BRW_NEW_GS_PROG_DATA |
93 BRW_NEW_UNIFORM_BUFFER,
94 },
95 .emit = brw_upload_gs_ubo_surfaces,
96 };
97
98 static void
99 brw_upload_gs_abo_surfaces(struct brw_context *brw)
100 {
101 struct gl_context *ctx = &brw->ctx;
102 /* _NEW_PROGRAM */
103 struct gl_shader_program *prog =
104 ctx->_Shader->CurrentProgram[MESA_SHADER_GEOMETRY];
105
106 if (prog) {
107 /* BRW_NEW_GS_PROG_DATA */
108 brw_upload_abo_surfaces(brw, prog, &brw->gs.base,
109 &brw->gs.prog_data->base.base);
110 }
111 }
112
113 const struct brw_tracked_state brw_gs_abo_surfaces = {
114 .dirty = {
115 .mesa = _NEW_PROGRAM,
116 .brw = BRW_NEW_ATOMIC_BUFFER |
117 BRW_NEW_BATCH |
118 BRW_NEW_GS_PROG_DATA,
119 },
120 .emit = brw_upload_gs_abo_surfaces,
121 };