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
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
|
/**************************************************************************
*
* Copyright 2011 Christian König.
* All Rights Reserved.
*
* 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, sub license, 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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 <assert.h>
#include "pipe/p_screen.h"
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "util/u_format.h"
#include "util/u_inlines.h"
#include "util/u_sampler.h"
#include "util/u_memory.h"
#include "vl_video_buffer.h"
const enum pipe_format const_resource_formats_YV12[3] = {
PIPE_FORMAT_R8_UNORM,
PIPE_FORMAT_R8_UNORM,
PIPE_FORMAT_R8_UNORM
};
const enum pipe_format const_resource_formats_NV12[3] = {
PIPE_FORMAT_R8_UNORM,
PIPE_FORMAT_R8G8_UNORM,
PIPE_FORMAT_NONE
};
const enum pipe_format const_resource_formats_YUVA[3] = {
PIPE_FORMAT_R8G8B8A8_UNORM,
PIPE_FORMAT_NONE,
PIPE_FORMAT_NONE
};
const enum pipe_format const_resource_formats_VUYA[3] = {
PIPE_FORMAT_B8G8R8A8_UNORM,
PIPE_FORMAT_NONE,
PIPE_FORMAT_NONE
};
const enum pipe_format const_resource_formats_YUVX[3] = {
PIPE_FORMAT_R8G8B8X8_UNORM,
PIPE_FORMAT_NONE,
PIPE_FORMAT_NONE
};
const enum pipe_format const_resource_formats_VUYX[3] = {
PIPE_FORMAT_B8G8R8X8_UNORM,
PIPE_FORMAT_NONE,
PIPE_FORMAT_NONE
};
const enum pipe_format const_resource_formats_YUYV[3] = {
PIPE_FORMAT_R8G8_R8B8_UNORM,
PIPE_FORMAT_NONE,
PIPE_FORMAT_NONE
};
const enum pipe_format const_resource_formats_UYVY[3] = {
PIPE_FORMAT_G8R8_B8R8_UNORM,
PIPE_FORMAT_NONE,
PIPE_FORMAT_NONE
};
const unsigned const_resource_plane_order_YUV[3] = {
0,
1,
2
};
const unsigned const_resource_plane_order_YVU[3] = {
0,
2,
1
};
const enum pipe_format *
vl_video_buffer_formats(struct pipe_screen *screen, enum pipe_format format)
{
switch(format) {
case PIPE_FORMAT_YV12:
return const_resource_formats_YV12;
case PIPE_FORMAT_NV12:
return const_resource_formats_NV12;
case PIPE_FORMAT_R8G8B8A8_UNORM:
return const_resource_formats_YUVA;
case PIPE_FORMAT_B8G8R8A8_UNORM:
return const_resource_formats_VUYA;
case PIPE_FORMAT_R8G8B8X8_UNORM:
return const_resource_formats_VUYX;
case PIPE_FORMAT_B8G8R8X8_UNORM:
return const_resource_formats_VUYX;
case PIPE_FORMAT_YUYV:
return const_resource_formats_YUYV;
case PIPE_FORMAT_UYVY:
return const_resource_formats_UYVY;
default:
return NULL;
}
}
const unsigned *
vl_video_buffer_plane_order(enum pipe_format format)
{
switch(format) {
case PIPE_FORMAT_YV12:
return const_resource_plane_order_YVU;
case PIPE_FORMAT_NV12:
case PIPE_FORMAT_R8G8B8A8_UNORM:
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_YUYV:
case PIPE_FORMAT_UYVY:
return const_resource_plane_order_YUV;
default:
return NULL;
}
}
static enum pipe_format
vl_video_buffer_surface_format(enum pipe_format format)
{
const struct util_format_description *desc = util_format_description(format);
/* a subsampled formats can't work as surface use RGBA instead */
if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
return PIPE_FORMAT_R8G8B8A8_UNORM;
return format;
}
boolean
vl_video_buffer_is_format_supported(struct pipe_screen *screen,
enum pipe_format format,
enum pipe_video_profile profile,
enum pipe_video_entrypoint entrypoint)
{
const enum pipe_format *resource_formats;
unsigned i;
resource_formats = vl_video_buffer_formats(screen, format);
if (!resource_formats)
return false;
for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
enum pipe_format format = resource_formats[i];
if (format == PIPE_FORMAT_NONE)
continue;
/* we at least need to sample from it */
if (!screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW))
return false;
format = vl_video_buffer_surface_format(format);
if (!screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_RENDER_TARGET))
return false;
}
return true;
}
unsigned
vl_video_buffer_max_size(struct pipe_screen *screen)
{
uint32_t max_2d_texture_level;
max_2d_texture_level = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
return 1 << (max_2d_texture_level-1);
}
void
vl_video_buffer_set_associated_data(struct pipe_video_buffer *vbuf,
struct pipe_video_codec *vcodec,
void *associated_data,
void (*destroy_associated_data)(void *))
{
vbuf->codec = vcodec;
if (vbuf->associated_data == associated_data)
return;
if (vbuf->associated_data)
vbuf->destroy_associated_data(vbuf->associated_data);
vbuf->associated_data = associated_data;
vbuf->destroy_associated_data = destroy_associated_data;
}
void *
vl_video_buffer_get_associated_data(struct pipe_video_buffer *vbuf,
struct pipe_video_codec *vcodec)
{
if (vbuf->codec == vcodec)
return vbuf->associated_data;
else
return NULL;
}
void
vl_video_buffer_template(struct pipe_resource *templ,
const struct pipe_video_buffer *tmpl,
enum pipe_format resource_format,
unsigned depth, unsigned array_size,
unsigned usage, unsigned plane)
{
memset(templ, 0, sizeof(*templ));
if (depth > 1)
templ->target = PIPE_TEXTURE_3D;
else if (array_size > 1)
templ->target = PIPE_TEXTURE_2D_ARRAY;
else
templ->target = PIPE_TEXTURE_2D;
templ->format = resource_format;
templ->width0 = tmpl->width;
templ->height0 = tmpl->height;
templ->depth0 = depth;
templ->array_size = array_size;
templ->bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
templ->usage = usage;
if (plane > 0) {
if (tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) {
templ->width0 /= 2;
templ->height0 /= 2;
} else if (tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) {
templ->width0 /= 2;
}
}
}
static void
vl_video_buffer_destroy(struct pipe_video_buffer *buffer)
{
struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
unsigned i;
assert(buf);
for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
pipe_resource_reference(&buf->resources[i], NULL);
}
for (i = 0; i < VL_MAX_SURFACES; ++i)
pipe_surface_reference(&buf->surfaces[i], NULL);
vl_video_buffer_set_associated_data(buffer, NULL, NULL, NULL);
FREE(buffer);
}
static struct pipe_sampler_view **
vl_video_buffer_sampler_view_planes(struct pipe_video_buffer *buffer)
{
struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
struct pipe_sampler_view sv_templ;
struct pipe_context *pipe;
unsigned i;
assert(buf);
pipe = buf->base.context;
for (i = 0; i < buf->num_planes; ++i ) {
if (!buf->sampler_view_planes[i]) {
memset(&sv_templ, 0, sizeof(sv_templ));
u_sampler_view_default_template(&sv_templ, buf->resources[i], buf->resources[i]->format);
if (util_format_get_nr_components(buf->resources[i]->format) == 1)
sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = sv_templ.swizzle_a = PIPE_SWIZZLE_RED;
buf->sampler_view_planes[i] = pipe->create_sampler_view(pipe, buf->resources[i], &sv_templ);
if (!buf->sampler_view_planes[i])
goto error;
}
}
return buf->sampler_view_planes;
error:
for (i = 0; i < buf->num_planes; ++i )
pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
return NULL;
}
static struct pipe_sampler_view **
vl_video_buffer_sampler_view_components(struct pipe_video_buffer *buffer)
{
struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
struct pipe_sampler_view sv_templ;
struct pipe_context *pipe;
const enum pipe_format *sampler_format;
const unsigned *plane_order;
unsigned i, j, component;
assert(buf);
pipe = buf->base.context;
sampler_format = vl_video_buffer_formats(pipe->screen, buf->base.buffer_format);
plane_order = vl_video_buffer_plane_order(buf->base.buffer_format);
for (component = 0, i = 0; i < buf->num_planes; ++i ) {
struct pipe_resource *res = buf->resources[plane_order[i]];
const struct util_format_description *desc = util_format_description(res->format);
unsigned nr_components = util_format_get_nr_components(res->format);
if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
nr_components = 3;
for (j = 0; j < nr_components && component < VL_NUM_COMPONENTS; ++j, ++component) {
if (buf->sampler_view_components[component])
continue;
memset(&sv_templ, 0, sizeof(sv_templ));
u_sampler_view_default_template(&sv_templ, res, sampler_format[plane_order[i]]);
sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = PIPE_SWIZZLE_RED + j;
sv_templ.swizzle_a = PIPE_SWIZZLE_ONE;
buf->sampler_view_components[component] = pipe->create_sampler_view(pipe, res, &sv_templ);
if (!buf->sampler_view_components[component])
goto error;
}
}
assert(component == VL_NUM_COMPONENTS);
return buf->sampler_view_components;
error:
for (i = 0; i < VL_NUM_COMPONENTS; ++i )
pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
return NULL;
}
static struct pipe_surface **
vl_video_buffer_surfaces(struct pipe_video_buffer *buffer)
{
struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
struct pipe_surface surf_templ;
struct pipe_context *pipe;
unsigned i, j, array_size, surf;
assert(buf);
pipe = buf->base.context;
array_size = buffer->interlaced ? 2 : 1;
for (i = 0, surf = 0; i < VL_NUM_COMPONENTS; ++i) {
for (j = 0; j < array_size; ++j, ++surf) {
assert(surf < VL_MAX_SURFACES);
if (!buf->resources[i]) {
pipe_surface_reference(&buf->surfaces[surf], NULL);
continue;
}
if (!buf->surfaces[surf]) {
memset(&surf_templ, 0, sizeof(surf_templ));
surf_templ.format = vl_video_buffer_surface_format(buf->resources[i]->format);
surf_templ.u.tex.first_layer = surf_templ.u.tex.last_layer = j;
buf->surfaces[surf] = pipe->create_surface(pipe, buf->resources[i], &surf_templ);
if (!buf->surfaces[surf])
goto error;
}
}
}
return buf->surfaces;
error:
for (i = 0; i < VL_MAX_SURFACES; ++i )
pipe_surface_reference(&buf->surfaces[i], NULL);
return NULL;
}
struct pipe_video_buffer *
vl_video_buffer_create(struct pipe_context *pipe,
const struct pipe_video_buffer *tmpl)
{
const enum pipe_format *resource_formats;
struct pipe_video_buffer templat, *result;
bool pot_buffers;
assert(pipe);
assert(tmpl->width > 0 && tmpl->height > 0);
pot_buffers = !pipe->screen->get_video_param
(
pipe->screen,
PIPE_VIDEO_PROFILE_UNKNOWN,
PIPE_VIDEO_ENTRYPOINT_UNKNOWN,
PIPE_VIDEO_CAP_NPOT_TEXTURES
);
resource_formats = vl_video_buffer_formats(pipe->screen, tmpl->buffer_format);
if (!resource_formats)
return NULL;
templat = *tmpl;
templat.width = pot_buffers ? util_next_power_of_two(tmpl->width)
: align(tmpl->width, VL_MACROBLOCK_WIDTH);
templat.height = pot_buffers ? util_next_power_of_two(tmpl->height)
: align(tmpl->height, VL_MACROBLOCK_HEIGHT);
if (tmpl->interlaced)
templat.height /= 2;
result = vl_video_buffer_create_ex
(
pipe, &templat, resource_formats,
1, tmpl->interlaced ? 2 : 1, PIPE_USAGE_DEFAULT
);
if (result && tmpl->interlaced)
result->height *= 2;
return result;
}
struct pipe_video_buffer *
vl_video_buffer_create_ex(struct pipe_context *pipe,
const struct pipe_video_buffer *tmpl,
const enum pipe_format resource_formats[VL_NUM_COMPONENTS],
unsigned depth, unsigned array_size, unsigned usage)
{
struct pipe_resource res_tmpl;
struct pipe_resource *resources[VL_NUM_COMPONENTS];
unsigned i;
assert(pipe);
memset(resources, 0, sizeof resources);
vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[0], depth, array_size, usage, 0);
resources[0] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
if (!resources[0])
goto error;
if (resource_formats[1] == PIPE_FORMAT_NONE) {
assert(resource_formats[2] == PIPE_FORMAT_NONE);
return vl_video_buffer_create_ex2(pipe, tmpl, resources);
}
vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[1], depth, array_size, usage, 1);
resources[1] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
if (!resources[1])
goto error;
if (resource_formats[2] == PIPE_FORMAT_NONE)
return vl_video_buffer_create_ex2(pipe, tmpl, resources);
vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[2], depth, array_size, usage, 2);
resources[2] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
if (!resources[2])
goto error;
return vl_video_buffer_create_ex2(pipe, tmpl, resources);
error:
for (i = 0; i < VL_NUM_COMPONENTS; ++i)
pipe_resource_reference(&resources[i], NULL);
return NULL;
}
struct pipe_video_buffer *
vl_video_buffer_create_ex2(struct pipe_context *pipe,
const struct pipe_video_buffer *tmpl,
struct pipe_resource *resources[VL_NUM_COMPONENTS])
{
struct vl_video_buffer *buffer;
unsigned i;
buffer = CALLOC_STRUCT(vl_video_buffer);
if (!buffer)
return NULL;
buffer->base = *tmpl;
buffer->base.context = pipe;
buffer->base.destroy = vl_video_buffer_destroy;
buffer->base.get_sampler_view_planes = vl_video_buffer_sampler_view_planes;
buffer->base.get_sampler_view_components = vl_video_buffer_sampler_view_components;
buffer->base.get_surfaces = vl_video_buffer_surfaces;
buffer->num_planes = 0;
for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
buffer->resources[i] = resources[i];
if (resources[i])
buffer->num_planes++;
}
return &buffer->base;
}
|