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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
/*
* Copyright © 2014-2017 Broadcom
*
* 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 <xf86drm.h>
#include <err.h>
#include "pipe/p_defines.h"
#include "util/hash_table.h"
#include "util/ralloc.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_blitter.h"
#include "util/u_upload_mgr.h"
#include "indices/u_primconvert.h"
#include "pipe/p_screen.h"
#include "v3d_screen.h"
#include "v3d_context.h"
#include "v3d_resource.h"
#include "broadcom/compiler/v3d_compiler.h"
void
v3d_flush(struct pipe_context *pctx)
{
struct v3d_context *v3d = v3d_context(pctx);
hash_table_foreach(v3d->jobs, entry) {
struct v3d_job *job = entry->data;
v3d_job_submit(v3d, job);
}
}
static void
v3d_pipe_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
unsigned flags)
{
struct v3d_context *v3d = v3d_context(pctx);
v3d_flush(pctx);
if (fence) {
struct pipe_screen *screen = pctx->screen;
struct v3d_fence *f = v3d_fence_create(v3d);
screen->fence_reference(screen, fence, NULL);
*fence = (struct pipe_fence_handle *)f;
}
}
static void
v3d_memory_barrier(struct pipe_context *pctx, unsigned int flags)
{
struct v3d_context *v3d = v3d_context(pctx);
if (!(flags & ~PIPE_BARRIER_UPDATE))
return;
/* We only need to flush jobs writing to SSBOs/images. */
perf_debug("Flushing all jobs for glMemoryBarrier(), could do better");
v3d_flush(pctx);
}
static void
v3d_set_debug_callback(struct pipe_context *pctx,
const struct pipe_debug_callback *cb)
{
struct v3d_context *v3d = v3d_context(pctx);
if (cb)
v3d->debug = *cb;
else
memset(&v3d->debug, 0, sizeof(v3d->debug));
}
static void
v3d_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
{
struct v3d_context *v3d = v3d_context(pctx);
struct v3d_resource *rsc = v3d_resource(prsc);
rsc->initialized_buffers = 0;
struct hash_entry *entry = _mesa_hash_table_search(v3d->write_jobs,
prsc);
if (!entry)
return;
struct v3d_job *job = entry->data;
if (job->key.zsbuf && job->key.zsbuf->texture == prsc)
job->store &= ~(PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL);
}
static void
v3d_context_destroy(struct pipe_context *pctx)
{
struct v3d_context *v3d = v3d_context(pctx);
v3d_flush(pctx);
if (v3d->blitter)
util_blitter_destroy(v3d->blitter);
if (v3d->primconvert)
util_primconvert_destroy(v3d->primconvert);
if (v3d->uploader)
u_upload_destroy(v3d->uploader);
if (v3d->state_uploader)
u_upload_destroy(v3d->state_uploader);
slab_destroy_child(&v3d->transfer_pool);
pipe_surface_reference(&v3d->framebuffer.cbufs[0], NULL);
pipe_surface_reference(&v3d->framebuffer.zsbuf, NULL);
v3d_program_fini(pctx);
ralloc_free(v3d);
}
static void
v3d_get_sample_position(struct pipe_context *pctx,
unsigned sample_count, unsigned sample_index,
float *xy)
{
struct v3d_context *v3d = v3d_context(pctx);
if (sample_count <= 1) {
xy[0] = 0.5;
xy[1] = 0.5;
} else {
static const int xoffsets_v33[] = { 1, -3, 3, -1 };
static const int xoffsets_v42[] = { -1, 3, -3, 1 };
const int *xoffsets = (v3d->screen->devinfo.ver >= 42 ?
xoffsets_v42 : xoffsets_v33);
xy[0] = 0.5 + xoffsets[sample_index] * .125;
xy[1] = .125 + sample_index * .25;
}
}
struct pipe_context *
v3d_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
{
struct v3d_screen *screen = v3d_screen(pscreen);
struct v3d_context *v3d;
/* Prevent dumping of the shaders built during context setup. */
uint32_t saved_shaderdb_flag = V3D_DEBUG & V3D_DEBUG_SHADERDB;
V3D_DEBUG &= ~V3D_DEBUG_SHADERDB;
v3d = rzalloc(NULL, struct v3d_context);
if (!v3d)
return NULL;
struct pipe_context *pctx = &v3d->base;
v3d->screen = screen;
int ret = drmSyncobjCreate(screen->fd, DRM_SYNCOBJ_CREATE_SIGNALED,
&v3d->out_sync);
if (ret) {
ralloc_free(v3d);
return NULL;
}
pctx->screen = pscreen;
pctx->priv = priv;
pctx->destroy = v3d_context_destroy;
pctx->flush = v3d_pipe_flush;
pctx->memory_barrier = v3d_memory_barrier;
pctx->set_debug_callback = v3d_set_debug_callback;
pctx->invalidate_resource = v3d_invalidate_resource;
pctx->get_sample_position = v3d_get_sample_position;
if (screen->devinfo.ver >= 41) {
v3d41_draw_init(pctx);
v3d41_state_init(pctx);
} else {
v3d33_draw_init(pctx);
v3d33_state_init(pctx);
}
v3d_program_init(pctx);
v3d_query_init(pctx);
v3d_resource_context_init(pctx);
v3d_job_init(v3d);
v3d->fd = screen->fd;
slab_create_child(&v3d->transfer_pool, &screen->transfer_pool);
v3d->uploader = u_upload_create_default(&v3d->base);
v3d->base.stream_uploader = v3d->uploader;
v3d->base.const_uploader = v3d->uploader;
v3d->state_uploader = u_upload_create(&v3d->base,
4096,
PIPE_BIND_CONSTANT_BUFFER,
PIPE_USAGE_STREAM, 0);
v3d->blitter = util_blitter_create(pctx);
if (!v3d->blitter)
goto fail;
v3d->blitter->use_index_buffer = true;
v3d->primconvert = util_primconvert_create(pctx,
(1 << PIPE_PRIM_QUADS) - 1);
if (!v3d->primconvert)
goto fail;
V3D_DEBUG |= saved_shaderdb_flag;
v3d->sample_mask = (1 << V3D_MAX_SAMPLES) - 1;
v3d->active_queries = true;
return &v3d->base;
fail:
pctx->destroy(pctx);
return NULL;
}
|
