1 /**************************************************************************
3 * Copyright 2011 Christian König.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
30 #include "pipe/p_screen.h"
31 #include "pipe/p_context.h"
32 #include "pipe/p_state.h"
34 #include "util/u_format.h"
35 #include "util/u_inlines.h"
36 #include "util/u_sampler.h"
37 #include "util/u_memory.h"
39 #include "vl_video_buffer.h"
41 const enum pipe_format const_resource_formats_YV12
[3] = {
47 const enum pipe_format const_resource_formats_NV12
[3] = {
49 PIPE_FORMAT_R8G8_UNORM
,
53 const enum pipe_format const_resource_formats_YUVA
[3] = {
54 PIPE_FORMAT_R8G8B8A8_UNORM
,
59 const enum pipe_format const_resource_formats_VUYA
[3] = {
60 PIPE_FORMAT_B8G8R8A8_UNORM
,
65 const enum pipe_format const_resource_formats_YUYV
[3] = {
66 PIPE_FORMAT_R8G8_R8B8_UNORM
,
71 const enum pipe_format const_resource_formats_UYVY
[3] = {
72 PIPE_FORMAT_G8R8_B8R8_UNORM
,
77 const unsigned const_resource_plane_order_YUV
[3] = {
83 const unsigned const_resource_plane_order_YVU
[3] = {
89 const enum pipe_format
*
90 vl_video_buffer_formats(struct pipe_screen
*screen
, enum pipe_format format
)
93 case PIPE_FORMAT_YV12
:
94 return const_resource_formats_YV12
;
96 case PIPE_FORMAT_NV12
:
97 return const_resource_formats_NV12
;
99 case PIPE_FORMAT_R8G8B8A8_UNORM
:
100 return const_resource_formats_YUVA
;
102 case PIPE_FORMAT_B8G8R8A8_UNORM
:
103 return const_resource_formats_VUYA
;
105 case PIPE_FORMAT_YUYV
:
106 return const_resource_formats_YUYV
;
108 case PIPE_FORMAT_UYVY
:
109 return const_resource_formats_UYVY
;
117 vl_video_buffer_plane_order(enum pipe_format format
)
120 case PIPE_FORMAT_YV12
:
121 return const_resource_plane_order_YVU
;
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
;
135 static enum pipe_format
136 vl_video_buffer_surface_format(enum pipe_format format
)
138 const struct util_format_description
*desc
= util_format_description(format
);
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
;
148 vl_video_buffer_is_format_supported(struct pipe_screen
*screen
,
149 enum pipe_format format
,
150 enum pipe_video_profile profile
)
152 const enum pipe_format
*resource_formats
;
155 resource_formats
= vl_video_buffer_formats(screen
, format
);
156 if (!resource_formats
)
159 for (i
= 0; i
< VL_NUM_COMPONENTS
; ++i
) {
160 enum pipe_format format
= resource_formats
[i
];
162 if (format
== PIPE_FORMAT_NONE
)
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
))
169 format
= vl_video_buffer_surface_format(format
);
170 if (!screen
->is_format_supported(screen
, format
, PIPE_TEXTURE_2D
, 0, PIPE_BIND_RENDER_TARGET
))
178 vl_video_buffer_max_size(struct pipe_screen
*screen
)
180 uint32_t max_2d_texture_level
;
182 max_2d_texture_level
= screen
->get_param(screen
, PIPE_CAP_MAX_TEXTURE_2D_LEVELS
);
184 return 1 << (max_2d_texture_level
-1);
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 *))
193 vbuf
->decoder
= vdec
;
195 if (vbuf
->associated_data
== associated_data
)
198 if (vbuf
->associated_data
)
199 vbuf
->destroy_associated_data(vbuf
->associated_data
);
201 vbuf
->associated_data
= associated_data
;
202 vbuf
->destroy_associated_data
= destroy_associated_data
;
206 vl_video_buffer_get_associated_data(struct pipe_video_buffer
*vbuf
,
207 struct pipe_video_decoder
*vdec
)
209 if (vbuf
->decoder
== vdec
)
210 return vbuf
->associated_data
;
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
)
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
;
232 if (tmpl
->chroma_format
== PIPE_VIDEO_CHROMA_FORMAT_420
) {
235 } else if (tmpl
->chroma_format
== PIPE_VIDEO_CHROMA_FORMAT_422
) {
242 vl_video_buffer_destroy(struct pipe_video_buffer
*buffer
)
244 struct vl_video_buffer
*buf
= (struct vl_video_buffer
*)buffer
;
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
);
255 for (i
= 0; i
< VL_NUM_COMPONENTS
* 2; ++i
)
256 pipe_surface_reference(&buf
->surfaces
[i
], NULL
);
258 vl_video_buffer_set_associated_data(buffer
, NULL
, NULL
, NULL
);
263 static struct pipe_sampler_view
**
264 vl_video_buffer_sampler_view_planes(struct pipe_video_buffer
*buffer
)
266 struct vl_video_buffer
*buf
= (struct vl_video_buffer
*)buffer
;
267 struct pipe_sampler_view sv_templ
;
268 struct pipe_context
*pipe
;
273 pipe
= buf
->base
.context
;
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
);
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
;
283 buf
->sampler_view_planes
[i
] = pipe
->create_sampler_view(pipe
, buf
->resources
[i
], &sv_templ
);
284 if (!buf
->sampler_view_planes
[i
])
289 return buf
->sampler_view_planes
;
292 for (i
= 0; i
< buf
->num_planes
; ++i
)
293 pipe_sampler_view_reference(&buf
->sampler_view_planes
[i
], NULL
);
298 static struct pipe_sampler_view
**
299 vl_video_buffer_sampler_view_components(struct pipe_video_buffer
*buffer
)
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
;
310 pipe
= buf
->base
.context
;
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
);
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
)
322 for (j
= 0; j
< nr_components
&& component
< VL_NUM_COMPONENTS
; ++j
, ++component
) {
323 if (buf
->sampler_view_components
[component
])
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
])
335 assert(component
== VL_NUM_COMPONENTS
);
337 return buf
->sampler_view_components
;
340 for (i
= 0; i
< VL_NUM_COMPONENTS
; ++i
)
341 pipe_sampler_view_reference(&buf
->sampler_view_components
[i
], NULL
);
346 static struct pipe_surface
**
347 vl_video_buffer_surfaces(struct pipe_video_buffer
*buffer
)
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
;
356 pipe
= buf
->base
.context
;
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));
363 if (!buf
->resources
[j
]) {
364 pipe_surface_reference(&buf
->surfaces
[surf
], NULL
);
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
.u
.tex
.first_layer
= surf_templ
.u
.tex
.last_layer
= i
;
372 buf
->surfaces
[surf
] = pipe
->create_surface(pipe
, buf
->resources
[j
], &surf_templ
);
373 if (!buf
->surfaces
[surf
])
379 return buf
->surfaces
;
382 for (i
= 0; i
< (VL_NUM_COMPONENTS
* 2); ++i
)
383 pipe_surface_reference(&buf
->surfaces
[i
], NULL
);
388 struct pipe_video_buffer
*
389 vl_video_buffer_create(struct pipe_context
*pipe
,
390 const struct pipe_video_buffer
*tmpl
)
392 const enum pipe_format
*resource_formats
;
393 struct pipe_video_buffer templat
, *result
;
397 assert(tmpl
->width
> 0 && tmpl
->height
> 0);
399 pot_buffers
= !pipe
->screen
->get_video_param
402 PIPE_VIDEO_PROFILE_UNKNOWN
,
403 PIPE_VIDEO_CAP_NPOT_TEXTURES
406 resource_formats
= vl_video_buffer_formats(pipe
->screen
, tmpl
->buffer_format
);
407 if (!resource_formats
)
411 templat
.width
= pot_buffers
? util_next_power_of_two(tmpl
->width
)
412 : align(tmpl
->width
, VL_MACROBLOCK_WIDTH
);
413 templat
.height
= pot_buffers
? util_next_power_of_two(tmpl
->height
)
414 : align(tmpl
->height
, VL_MACROBLOCK_HEIGHT
);
416 if (tmpl
->interlaced
)
419 result
= vl_video_buffer_create_ex
421 pipe
, &templat
, resource_formats
,
422 tmpl
->interlaced
? 2 : 1, PIPE_USAGE_STATIC
426 if (result
&& tmpl
->interlaced
)
432 struct pipe_video_buffer
*
433 vl_video_buffer_create_ex(struct pipe_context
*pipe
,
434 const struct pipe_video_buffer
*tmpl
,
435 const enum pipe_format resource_formats
[VL_NUM_COMPONENTS
],
436 unsigned depth
, unsigned usage
)
438 struct pipe_resource res_tmpl
;
439 struct pipe_resource
*resources
[VL_NUM_COMPONENTS
];
444 memset(resources
, 0, sizeof resources
);
446 vl_vide_buffer_template(&res_tmpl
, tmpl
, resource_formats
[0], depth
, usage
, 0);
447 resources
[0] = pipe
->screen
->resource_create(pipe
->screen
, &res_tmpl
);
451 if (resource_formats
[1] == PIPE_FORMAT_NONE
) {
452 assert(resource_formats
[2] == PIPE_FORMAT_NONE
);
453 return vl_video_buffer_create_ex2(pipe
, tmpl
, resources
);
456 vl_vide_buffer_template(&res_tmpl
, tmpl
, resource_formats
[1], depth
, usage
, 1);
457 resources
[1] = pipe
->screen
->resource_create(pipe
->screen
, &res_tmpl
);
461 if (resource_formats
[2] == PIPE_FORMAT_NONE
)
462 return vl_video_buffer_create_ex2(pipe
, tmpl
, resources
);
464 vl_vide_buffer_template(&res_tmpl
, tmpl
, resource_formats
[2], depth
, usage
, 2);
465 resources
[2] = pipe
->screen
->resource_create(pipe
->screen
, &res_tmpl
);
469 return vl_video_buffer_create_ex2(pipe
, tmpl
, resources
);
472 for (i
= 0; i
< VL_NUM_COMPONENTS
; ++i
)
473 pipe_resource_reference(&resources
[i
], NULL
);
478 struct pipe_video_buffer
*
479 vl_video_buffer_create_ex2(struct pipe_context
*pipe
,
480 const struct pipe_video_buffer
*tmpl
,
481 struct pipe_resource
*resources
[VL_NUM_COMPONENTS
])
483 struct vl_video_buffer
*buffer
;
486 buffer
= CALLOC_STRUCT(vl_video_buffer
);
488 buffer
->base
= *tmpl
;
489 buffer
->base
.context
= pipe
;
490 buffer
->base
.destroy
= vl_video_buffer_destroy
;
491 buffer
->base
.get_sampler_view_planes
= vl_video_buffer_sampler_view_planes
;
492 buffer
->base
.get_sampler_view_components
= vl_video_buffer_sampler_view_components
;
493 buffer
->base
.get_surfaces
= vl_video_buffer_surfaces
;
494 buffer
->num_planes
= 0;
496 for (i
= 0; i
< VL_NUM_COMPONENTS
; ++i
) {
497 buffer
->resources
[i
] = resources
[i
];
499 buffer
->num_planes
++;
502 return &buffer
->base
;