1 /**************************************************************************
2 *
3 * Copyright 2011 Christian König.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28 #include <assert.h>
29
30 #include "pipe/p_screen.h"
31 #include "pipe/p_context.h"
32 #include "pipe/p_state.h"
33
34 #include "util/u_format.h"
35 #include "util/u_inlines.h"
36 #include "util/u_sampler.h"
37 #include "util/u_memory.h"
38
39 #include "vl_video_buffer.h"
40
41 const enum pipe_format const_resource_formats_YV12[3] = {
42 PIPE_FORMAT_R8_UNORM,
43 PIPE_FORMAT_R8_UNORM,
44 PIPE_FORMAT_R8_UNORM
45 };
46
47 const enum pipe_format const_resource_formats_NV12[3] = {
48 PIPE_FORMAT_R8_UNORM,
49 PIPE_FORMAT_R8G8_UNORM,
50 PIPE_FORMAT_NONE
51 };
52
53 const enum pipe_format const_resource_formats_YUVA[3] = {
54 PIPE_FORMAT_R8G8B8A8_UNORM,
55 PIPE_FORMAT_NONE,
56 PIPE_FORMAT_NONE
57 };
58
59 const enum pipe_format const_resource_formats_VUYA[3] = {
60 PIPE_FORMAT_B8G8R8A8_UNORM,
61 PIPE_FORMAT_NONE,
62 PIPE_FORMAT_NONE
63 };
64
65 const enum pipe_format const_resource_formats_YUYV[3] = {
66 PIPE_FORMAT_R8G8_R8B8_UNORM,
67 PIPE_FORMAT_NONE,
68 PIPE_FORMAT_NONE
69 };
70
71 const enum pipe_format const_resource_formats_UYVY[3] = {
72 PIPE_FORMAT_G8R8_B8R8_UNORM,
73 PIPE_FORMAT_NONE,
74 PIPE_FORMAT_NONE
75 };
76
77 const unsigned const_resource_plane_order_YUV[3] = {
78 0,
79 1,
80 2
81 };
82
83 const unsigned const_resource_plane_order_YVU[3] = {
84 0,
85 2,
86 1
87 };
88
89 const enum pipe_format *
vl_video_buffer_formats(struct pipe_screen * screen,enum pipe_format format)90 vl_video_buffer_formats(struct pipe_screen *screen, enum pipe_format format)
91 {
92 switch(format) {
93 case PIPE_FORMAT_YV12:
94 return const_resource_formats_YV12;
95
96 case PIPE_FORMAT_NV12:
97 return const_resource_formats_NV12;
98
99 case PIPE_FORMAT_R8G8B8A8_UNORM:
100 return const_resource_formats_YUVA;
101
102 case PIPE_FORMAT_B8G8R8A8_UNORM:
103 return const_resource_formats_VUYA;
104
105 case PIPE_FORMAT_YUYV:
106 return const_resource_formats_YUYV;
107
108 case PIPE_FORMAT_UYVY:
109 return const_resource_formats_UYVY;
110
111 default:
112 return NULL;
113 }
114 }
115
116 const unsigned *
vl_video_buffer_plane_order(enum pipe_format format)117 vl_video_buffer_plane_order(enum pipe_format format)
118 {
119 switch(format) {
120 case PIPE_FORMAT_YV12:
121 return const_resource_plane_order_YVU;
122
123 case PIPE_FORMAT_NV12:
124 case PIPE_FORMAT_R8G8B8A8_UNORM:
125 case PIPE_FORMAT_B8G8R8A8_UNORM:
126 case PIPE_FORMAT_YUYV:
127 case PIPE_FORMAT_UYVY:
128 return const_resource_plane_order_YUV;
129
130 default:
131 return NULL;
132 }
133 }
134
135 static enum pipe_format
vl_video_buffer_surface_format(enum pipe_format format)136 vl_video_buffer_surface_format(enum pipe_format format)
137 {
138 const struct util_format_description *desc = util_format_description(format);
139
140 /* a subsampled formats can't work as surface use RGBA instead */
141 if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
142 return PIPE_FORMAT_R8G8B8A8_UNORM;
143
144 return format;
145 }
146
147 boolean
vl_video_buffer_is_format_supported(struct pipe_screen * screen,enum pipe_format format,enum pipe_video_profile profile)148 vl_video_buffer_is_format_supported(struct pipe_screen *screen,
149 enum pipe_format format,
150 enum pipe_video_profile profile)
151 {
152 const enum pipe_format *resource_formats;
153 unsigned i;
154
155 resource_formats = vl_video_buffer_formats(screen, format);
156 if (!resource_formats)
157 return false;
158
159 for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
160 enum pipe_format format = resource_formats[i];
161
162 if (format == PIPE_FORMAT_NONE)
163 continue;
164
165 /* we at least need to sample from it */
166 if (!screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW))
167 return false;
168
169 format = vl_video_buffer_surface_format(format);
170 if (!screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_RENDER_TARGET))
171 return false;
172 }
173
174 return true;
175 }
176
177 unsigned
vl_video_buffer_max_size(struct pipe_screen * screen)178 vl_video_buffer_max_size(struct pipe_screen *screen)
179 {
180 uint32_t max_2d_texture_level;
181
182 max_2d_texture_level = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
183
184 return 1 << (max_2d_texture_level-1);
185 }
186
187 void
vl_video_buffer_set_associated_data(struct pipe_video_buffer * vbuf,struct pipe_video_decoder * vdec,void * associated_data,void (* destroy_associated_data)(void *))188 vl_video_buffer_set_associated_data(struct pipe_video_buffer *vbuf,
189 struct pipe_video_decoder *vdec,
190 void *associated_data,
191 void (*destroy_associated_data)(void *))
192 {
193 vbuf->decoder = vdec;
194
195 if (vbuf->associated_data == associated_data)
196 return;
197
198 if (vbuf->associated_data)
199 vbuf->destroy_associated_data(vbuf->associated_data);
200
201 vbuf->associated_data = associated_data;
202 vbuf->destroy_associated_data = destroy_associated_data;
203 }
204
205 void *
vl_video_buffer_get_associated_data(struct pipe_video_buffer * vbuf,struct pipe_video_decoder * vdec)206 vl_video_buffer_get_associated_data(struct pipe_video_buffer *vbuf,
207 struct pipe_video_decoder *vdec)
208 {
209 if (vbuf->decoder == vdec)
210 return vbuf->associated_data;
211 else
212 return NULL;
213 }
214
215 void
vl_vide_buffer_template(struct pipe_resource * templ,const struct pipe_video_buffer * tmpl,enum pipe_format resource_format,unsigned depth,unsigned usage,unsigned plane)216 vl_vide_buffer_template(struct pipe_resource *templ,
217 const struct pipe_video_buffer *tmpl,
218 enum pipe_format resource_format,
219 unsigned depth, unsigned usage, unsigned plane)
220 {
221 memset(templ, 0, sizeof(*templ));
222 templ->target = depth > 1 ? PIPE_TEXTURE_3D : PIPE_TEXTURE_2D;
223 templ->format = resource_format;
224 templ->width0 = tmpl->width;
225 templ->height0 = tmpl->height;
226 templ->depth0 = depth;
227 templ->array_size = 1;
228 templ->bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
229 templ->usage = usage;
230
231 if (plane > 0) {
232 if (tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) {
233 templ->width0 /= 2;
234 templ->height0 /= 2;
235 } else if (tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) {
236 templ->height0 /= 2;
237 }
238 }
239 }
240
241 static void
vl_video_buffer_destroy(struct pipe_video_buffer * buffer)242 vl_video_buffer_destroy(struct pipe_video_buffer *buffer)
243 {
244 struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
245 unsigned i;
246
247 assert(buf);
248
249 for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
250 pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
251 pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
252 pipe_resource_reference(&buf->resources[i], NULL);
253 }
254
255 for (i = 0; i < VL_NUM_COMPONENTS * 2; ++i)
256 pipe_surface_reference(&buf->surfaces[i], NULL);
257
258 vl_video_buffer_set_associated_data(buffer, NULL, NULL, NULL);
259
260 FREE(buffer);
261 }
262
263 static struct pipe_sampler_view **
vl_video_buffer_sampler_view_planes(struct pipe_video_buffer * buffer)264 vl_video_buffer_sampler_view_planes(struct pipe_video_buffer *buffer)
265 {
266 struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
267 struct pipe_sampler_view sv_templ;
268 struct pipe_context *pipe;
269 unsigned i;
270
271 assert(buf);
272
273 pipe = buf->base.context;
274
275 for (i = 0; i < buf->num_planes; ++i ) {
276 if (!buf->sampler_view_planes[i]) {
277 memset(&sv_templ, 0, sizeof(sv_templ));
278 u_sampler_view_default_template(&sv_templ, buf->resources[i], buf->resources[i]->format);
279
280 if (util_format_get_nr_components(buf->resources[i]->format) == 1)
281 sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = sv_templ.swizzle_a = PIPE_SWIZZLE_RED;
282
283 buf->sampler_view_planes[i] = pipe->create_sampler_view(pipe, buf->resources[i], &sv_templ);
284 if (!buf->sampler_view_planes[i])
285 goto error;
286 }
287 }
288
289 return buf->sampler_view_planes;
290
291 error:
292 for (i = 0; i < buf->num_planes; ++i )
293 pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
294
295 return NULL;
296 }
297
298 static struct pipe_sampler_view **
vl_video_buffer_sampler_view_components(struct pipe_video_buffer * buffer)299 vl_video_buffer_sampler_view_components(struct pipe_video_buffer *buffer)
300 {
301 struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
302 struct pipe_sampler_view sv_templ;
303 struct pipe_context *pipe;
304 const enum pipe_format *sampler_format;
305 const unsigned *plane_order;
306 unsigned i, j, component;
307
308 assert(buf);
309
310 pipe = buf->base.context;
311
312 sampler_format = vl_video_buffer_formats(pipe->screen, buf->base.buffer_format);
313 plane_order = vl_video_buffer_plane_order(buf->base.buffer_format);
314
315 for (component = 0, i = 0; i < buf->num_planes; ++i ) {
316 struct pipe_resource *res = buf->resources[plane_order[i]];
317 const struct util_format_description *desc = util_format_description(res->format);
318 unsigned nr_components = util_format_get_nr_components(res->format);
319 if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
320 nr_components = 3;
321
322 for (j = 0; j < nr_components && component < VL_NUM_COMPONENTS; ++j, ++component) {
323 if (buf->sampler_view_components[component])
324 continue;
325
326 memset(&sv_templ, 0, sizeof(sv_templ));
327 u_sampler_view_default_template(&sv_templ, res, sampler_format[plane_order[i]]);
328 sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = PIPE_SWIZZLE_RED + j;
329 sv_templ.swizzle_a = PIPE_SWIZZLE_ONE;
330 buf->sampler_view_components[component] = pipe->create_sampler_view(pipe, res, &sv_templ);
331 if (!buf->sampler_view_components[component])
332 goto error;
333 }
334 }
335 assert(component == VL_NUM_COMPONENTS);
336
337 return buf->sampler_view_components;
338
339 error:
340 for (i = 0; i < VL_NUM_COMPONENTS; ++i )
341 pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
342
343 return NULL;
344 }
345
346 static struct pipe_surface **
vl_video_buffer_surfaces(struct pipe_video_buffer * buffer)347 vl_video_buffer_surfaces(struct pipe_video_buffer *buffer)
348 {
349 struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
350 struct pipe_surface surf_templ;
351 struct pipe_context *pipe;
352 unsigned i, j, depth, surf;
353
354 assert(buf);
355
356 pipe = buf->base.context;
357
358 depth = buffer->interlaced ? 2 : 1;
359 for (i = 0, surf = 0; i < depth; ++i ) {
360 for (j = 0; j < VL_NUM_COMPONENTS; ++j, ++surf) {
361 assert(surf < (VL_NUM_COMPONENTS * 2));
362
363 if (!buf->resources[j]) {
364 pipe_surface_reference(&buf->surfaces[surf], NULL);
365 continue;
366 }
367
368 if (!buf->surfaces[surf]) {
369 memset(&surf_templ, 0, sizeof(surf_templ));
370 surf_templ.format = vl_video_buffer_surface_format(buf->resources[j]->format);
371 surf_templ.usage = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
372 surf_templ.u.tex.first_layer = surf_templ.u.tex.last_layer = i;
373 buf->surfaces[surf] = pipe->create_surface(pipe, buf->resources[j], &surf_templ);
374 if (!buf->surfaces[surf])
375 goto error;
376 }
377 }
378 }
379
380 return buf->surfaces;
381
382 error:
383 for (i = 0; i < (VL_NUM_COMPONENTS * 2); ++i )
384 pipe_surface_reference(&buf->surfaces[i], NULL);
385
386 return NULL;
387 }
388
389 struct pipe_video_buffer *
vl_video_buffer_create(struct pipe_context * pipe,const struct pipe_video_buffer * tmpl)390 vl_video_buffer_create(struct pipe_context *pipe,
391 const struct pipe_video_buffer *tmpl)
392 {
393 const enum pipe_format *resource_formats;
394 struct pipe_video_buffer templat, *result;
395 bool pot_buffers;
396
397 assert(pipe);
398 assert(tmpl->width > 0 && tmpl->height > 0);
399
400 pot_buffers = !pipe->screen->get_video_param
401 (
402 pipe->screen,
403 PIPE_VIDEO_PROFILE_UNKNOWN,
404 PIPE_VIDEO_CAP_NPOT_TEXTURES
405 );
406
407 resource_formats = vl_video_buffer_formats(pipe->screen, tmpl->buffer_format);
408 if (!resource_formats)
409 return NULL;
410
411 templat = *tmpl;
412 templat.width = pot_buffers ? util_next_power_of_two(tmpl->width)
413 : align(tmpl->width, VL_MACROBLOCK_WIDTH);
414 templat.height = pot_buffers ? util_next_power_of_two(tmpl->height)
415 : align(tmpl->height, VL_MACROBLOCK_HEIGHT);
416
417 if (tmpl->interlaced)
418 templat.height /= 2;
419
420 result = vl_video_buffer_create_ex
421 (
422 pipe, &templat, resource_formats,
423 tmpl->interlaced ? 2 : 1, PIPE_USAGE_STATIC
424 );
425
426
427 if (result && tmpl->interlaced)
428 result->height *= 2;
429
430 return result;
431 }
432
433 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 usage)434 vl_video_buffer_create_ex(struct pipe_context *pipe,
435 const struct pipe_video_buffer *tmpl,
436 const enum pipe_format resource_formats[VL_NUM_COMPONENTS],
437 unsigned depth, unsigned usage)
438 {
439 struct pipe_resource res_tmpl;
440 struct pipe_resource *resources[VL_NUM_COMPONENTS];
441 unsigned i;
442
443 assert(pipe);
444
445 memset(resources, 0, sizeof resources);
446
447 vl_vide_buffer_template(&res_tmpl, tmpl, resource_formats[0], depth, usage, 0);
448 resources[0] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
449 if (!resources[0])
450 goto error;
451
452 if (resource_formats[1] == PIPE_FORMAT_NONE) {
453 assert(resource_formats[2] == PIPE_FORMAT_NONE);
454 return vl_video_buffer_create_ex2(pipe, tmpl, resources);
455 }
456
457 vl_vide_buffer_template(&res_tmpl, tmpl, resource_formats[1], depth, usage, 1);
458 resources[1] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
459 if (!resources[1])
460 goto error;
461
462 if (resource_formats[2] == PIPE_FORMAT_NONE)
463 return vl_video_buffer_create_ex2(pipe, tmpl, resources);
464
465 vl_vide_buffer_template(&res_tmpl, tmpl, resource_formats[2], depth, usage, 2);
466 resources[2] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
467 if (!resources[2])
468 goto error;
469
470 return vl_video_buffer_create_ex2(pipe, tmpl, resources);
471
472 error:
473 for (i = 0; i < VL_NUM_COMPONENTS; ++i)
474 pipe_resource_reference(&resources[i], NULL);
475
476 return NULL;
477 }
478
479 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])480 vl_video_buffer_create_ex2(struct pipe_context *pipe,
481 const struct pipe_video_buffer *tmpl,
482 struct pipe_resource *resources[VL_NUM_COMPONENTS])
483 {
484 struct vl_video_buffer *buffer;
485 unsigned i;
486
487 buffer = CALLOC_STRUCT(vl_video_buffer);
488
489 buffer->base = *tmpl;
490 buffer->base.context = pipe;
491 buffer->base.destroy = vl_video_buffer_destroy;
492 buffer->base.get_sampler_view_planes = vl_video_buffer_sampler_view_planes;
493 buffer->base.get_sampler_view_components = vl_video_buffer_sampler_view_components;
494 buffer->base.get_surfaces = vl_video_buffer_surfaces;
495 buffer->num_planes = 0;
496
497 for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
498 buffer->resources[i] = resources[i];
499 if (resources[i])
500 buffer->num_planes++;
501 }
502
503 return &buffer->base;
504 }
505