1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/*
* Copyright (c) 2014 - 2015 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "util/ralloc.h"
#include "brw_context.h"
#include "brw_cs.h"
#include "brw_eu.h"
#include "brw_wm.h"
#include "brw_shader.h"
#include "intel_mipmap_tree.h"
#include "brw_state.h"
#include "intel_batchbuffer.h"
bool
brw_cs_prog_data_compare(const void *in_a, const void *in_b)
{
const struct brw_cs_prog_data *a =
(const struct brw_cs_prog_data *)in_a;
const struct brw_cs_prog_data *b =
(const struct brw_cs_prog_data *)in_b;
/* Compare the base structure. */
if (!brw_stage_prog_data_compare(&a->base, &b->base))
return false;
/* Compare the rest of the structure. */
const unsigned offset = sizeof(struct brw_stage_prog_data);
if (memcmp(((char *) a) + offset, ((char *) b) + offset,
sizeof(struct brw_cs_prog_data) - offset))
return false;
return true;
}
static bool
brw_codegen_cs_prog(struct brw_context *brw,
struct gl_shader_program *prog,
struct brw_compute_program *cp,
struct brw_cs_prog_key *key)
{
struct gl_context *ctx = &brw->ctx;
const GLuint *program;
void *mem_ctx = ralloc_context(NULL);
GLuint program_size;
struct brw_cs_prog_data prog_data;
struct gl_shader *cs = prog->_LinkedShaders[MESA_SHADER_COMPUTE];
assert (cs);
memset(&prog_data, 0, sizeof(prog_data));
/* Allocate the references to the uniforms that will end up in the
* prog_data associated with the compiled program, and which will be freed
* by the state cache.
*/
int param_count = cs->num_uniform_components +
cs->NumImages * BRW_IMAGE_PARAM_SIZE;
/* The backend also sometimes adds params for texture size. */
param_count += 2 * ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits;
prog_data.base.param =
rzalloc_array(NULL, const gl_constant_value *, param_count);
prog_data.base.pull_param =
rzalloc_array(NULL, const gl_constant_value *, param_count);
prog_data.base.image_param =
rzalloc_array(NULL, struct brw_image_param, cs->NumImages);
prog_data.base.nr_params = param_count;
prog_data.base.nr_image_params = cs->NumImages;
program = brw_cs_emit(brw, mem_ctx, key, &prog_data,
&cp->program, prog, &program_size);
if (program == NULL) {
ralloc_free(mem_ctx);
return false;
}
if (prog_data.base.total_scratch) {
brw_get_scratch_bo(brw, &brw->cs.base.scratch_bo,
prog_data.base.total_scratch * brw->max_cs_threads);
}
if (unlikely(INTEL_DEBUG & DEBUG_CS))
fprintf(stderr, "\n");
brw_upload_cache(&brw->cache, BRW_CACHE_CS_PROG,
key, sizeof(*key),
program, program_size,
&prog_data, sizeof(prog_data),
&brw->cs.base.prog_offset, &brw->cs.prog_data);
ralloc_free(mem_ctx);
return true;
}
static void
brw_cs_populate_key(struct brw_context *brw, struct brw_cs_prog_key *key)
{
struct gl_context *ctx = &brw->ctx;
/* BRW_NEW_COMPUTE_PROGRAM */
const struct brw_compute_program *cp =
(struct brw_compute_program *) brw->compute_program;
const struct gl_program *prog = (struct gl_program *) cp;
memset(key, 0, sizeof(*key));
/* _NEW_TEXTURE */
brw_populate_sampler_prog_key_data(ctx, prog, brw->cs.base.sampler_count,
&key->tex);
/* The unique compute program ID */
key->program_string_id = cp->id;
}
void
brw_upload_cs_prog(struct brw_context *brw)
{
struct gl_context *ctx = &brw->ctx;
struct brw_cs_prog_key key;
struct brw_compute_program *cp = (struct brw_compute_program *)
brw->compute_program;
if (!cp)
return;
if (!brw_state_dirty(brw, _NEW_TEXTURE, BRW_NEW_COMPUTE_PROGRAM))
return;
brw->cs.base.sampler_count =
_mesa_fls(ctx->ComputeProgram._Current->Base.SamplersUsed);
brw_cs_populate_key(brw, &key);
if (!brw_search_cache(&brw->cache, BRW_CACHE_CS_PROG,
&key, sizeof(key),
&brw->cs.base.prog_offset, &brw->cs.prog_data)) {
bool success =
brw_codegen_cs_prog(brw,
ctx->Shader.CurrentProgram[MESA_SHADER_COMPUTE],
cp, &key);
(void) success;
assert(success);
}
brw->cs.base.prog_data = &brw->cs.prog_data->base;
}
bool
brw_cs_precompile(struct gl_context *ctx,
struct gl_shader_program *shader_prog,
struct gl_program *prog)
{
struct brw_context *brw = brw_context(ctx);
struct brw_cs_prog_key key;
struct gl_compute_program *cp = (struct gl_compute_program *) prog;
struct brw_compute_program *bcp = brw_compute_program(cp);
memset(&key, 0, sizeof(key));
key.program_string_id = bcp->id;
brw_setup_tex_for_precompile(brw, &key.tex, prog);
uint32_t old_prog_offset = brw->cs.base.prog_offset;
struct brw_cs_prog_data *old_prog_data = brw->cs.prog_data;
bool success = brw_codegen_cs_prog(brw, shader_prog, bcp, &key);
brw->cs.base.prog_offset = old_prog_offset;
brw->cs.prog_data = old_prog_data;
return success;
}
|
