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 #include "main/shaderapi.h"
27
28 #include "brw_context.h"
29 #include "brw_state.h"
30
31
32 /* Creates a new GS constant buffer reflecting the current GS program's
33 * constants, if needed by the GS program.
34 *
35 * Otherwise, constants go through the CURBEs using the brw_constant_buffer
36 * state atom.
37 */
38 static void
brw_upload_gs_pull_constants(struct brw_context * brw)39 brw_upload_gs_pull_constants(struct brw_context *brw)
40 {
41 struct brw_stage_state *stage_state = &brw->gs.base;
42
43 /* BRW_NEW_GEOMETRY_PROGRAM */
44 struct brw_program *gp = (struct brw_program *) brw->geometry_program;
45
46 if (!gp)
47 return;
48
49 /* BRW_NEW_GS_PROG_DATA */
50 const struct brw_stage_prog_data *prog_data = brw->gs.base.prog_data;
51
52 _mesa_shader_write_subroutine_indices(&brw->ctx, MESA_SHADER_GEOMETRY);
53 /* _NEW_PROGRAM_CONSTANTS */
54 brw_upload_pull_constants(brw, BRW_NEW_GS_CONSTBUF, &gp->program,
55 stage_state, prog_data);
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_BLORP |
63 BRW_NEW_GEOMETRY_PROGRAM |
64 BRW_NEW_GS_PROG_DATA,
65 },
66 .emit = brw_upload_gs_pull_constants,
67 };
68
69 static void
brw_upload_gs_ubo_surfaces(struct brw_context * brw)70 brw_upload_gs_ubo_surfaces(struct brw_context *brw)
71 {
72 struct gl_context *ctx = &brw->ctx;
73
74 /* _NEW_PROGRAM */
75 struct gl_shader_program *prog =
76 ctx->_Shader->CurrentProgram[MESA_SHADER_GEOMETRY];
77
78 if (!prog || !prog->_LinkedShaders[MESA_SHADER_GEOMETRY])
79 return;
80
81 /* BRW_NEW_GS_PROG_DATA */
82 struct brw_stage_prog_data *prog_data = brw->gs.base.prog_data;
83
84 brw_upload_ubo_surfaces(brw, prog->_LinkedShaders[MESA_SHADER_GEOMETRY]->Program,
85 &brw->gs.base, prog_data);
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_BLORP |
93 BRW_NEW_GS_PROG_DATA |
94 BRW_NEW_UNIFORM_BUFFER,
95 },
96 .emit = brw_upload_gs_ubo_surfaces,
97 };
98
99 static void
brw_upload_gs_abo_surfaces(struct brw_context * brw)100 brw_upload_gs_abo_surfaces(struct brw_context *brw)
101 {
102 /* _NEW_PROGRAM */
103 const struct gl_program *gp = brw->geometry_program;
104
105 if (gp) {
106 /* BRW_NEW_GS_PROG_DATA */
107 brw_upload_abo_surfaces(brw, gp, &brw->gs.base, brw->gs.base.prog_data);
108 }
109 }
110
111 const struct brw_tracked_state brw_gs_abo_surfaces = {
112 .dirty = {
113 .mesa = _NEW_PROGRAM,
114 .brw = BRW_NEW_ATOMIC_BUFFER |
115 BRW_NEW_BATCH |
116 BRW_NEW_BLORP |
117 BRW_NEW_GS_PROG_DATA,
118 },
119 .emit = brw_upload_gs_abo_surfaces,
120 };
121
122 static void
brw_upload_gs_image_surfaces(struct brw_context * brw)123 brw_upload_gs_image_surfaces(struct brw_context *brw)
124 {
125 /* BRW_NEW_GEOMETRY_PROGRAM */
126 const struct gl_program *gp = brw->geometry_program;
127
128 if (gp) {
129 /* BRW_NEW_GS_PROG_DATA, BRW_NEW_IMAGE_UNITS, _NEW_TEXTURE */
130 brw_upload_image_surfaces(brw, gp, &brw->gs.base,
131 brw->gs.base.prog_data);
132 }
133 }
134
135 const struct brw_tracked_state brw_gs_image_surfaces = {
136 .dirty = {
137 .mesa = _NEW_TEXTURE,
138 .brw = BRW_NEW_BATCH |
139 BRW_NEW_BLORP |
140 BRW_NEW_GEOMETRY_PROGRAM |
141 BRW_NEW_GS_PROG_DATA |
142 BRW_NEW_IMAGE_UNITS,
143 },
144 .emit = brw_upload_gs_image_surfaces,
145 };
146