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 =
45 (struct brw_program *) brw->programs[MESA_SHADER_GEOMETRY];
46
47 if (!gp)
48 return;
49
50 /* BRW_NEW_GS_PROG_DATA */
51 const struct brw_stage_prog_data *prog_data = brw->gs.base.prog_data;
52
53 _mesa_shader_write_subroutine_indices(&brw->ctx, MESA_SHADER_GEOMETRY);
54 /* _NEW_PROGRAM_CONSTANTS */
55 brw_upload_pull_constants(brw, BRW_NEW_GS_CONSTBUF, &gp->program,
56 stage_state, prog_data);
57 }
58
59 const struct brw_tracked_state brw_gs_pull_constants = {
60 .dirty = {
61 .mesa = _NEW_PROGRAM_CONSTANTS,
62 .brw = BRW_NEW_BATCH |
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_program *prog =
76 ctx->_Shader->CurrentProgram[MESA_SHADER_GEOMETRY];
77
78 /* BRW_NEW_GS_PROG_DATA */
79 struct brw_stage_prog_data *prog_data = brw->gs.base.prog_data;
80
81 brw_upload_ubo_surfaces(brw, prog, &brw->gs.base, prog_data);
82 }
83
84 const struct brw_tracked_state brw_gs_ubo_surfaces = {
85 .dirty = {
86 .mesa = _NEW_PROGRAM,
87 .brw = BRW_NEW_BATCH |
88 BRW_NEW_GS_PROG_DATA |
89 BRW_NEW_UNIFORM_BUFFER,
90 },
91 .emit = brw_upload_gs_ubo_surfaces,
92 };
93
94 static void
brw_upload_gs_image_surfaces(struct brw_context * brw)95 brw_upload_gs_image_surfaces(struct brw_context *brw)
96 {
97 /* BRW_NEW_GEOMETRY_PROGRAM */
98 const struct gl_program *gp = brw->programs[MESA_SHADER_GEOMETRY];
99
100 if (gp) {
101 /* BRW_NEW_GS_PROG_DATA, BRW_NEW_IMAGE_UNITS, _NEW_TEXTURE */
102 brw_upload_image_surfaces(brw, gp, &brw->gs.base,
103 brw->gs.base.prog_data);
104 }
105 }
106
107 const struct brw_tracked_state brw_gs_image_surfaces = {
108 .dirty = {
109 .mesa = _NEW_TEXTURE,
110 .brw = BRW_NEW_BATCH |
111 BRW_NEW_AUX_STATE |
112 BRW_NEW_GEOMETRY_PROGRAM |
113 BRW_NEW_GS_PROG_DATA |
114 BRW_NEW_IMAGE_UNITS,
115 },
116 .emit = brw_upload_gs_image_surfaces,
117 };
118