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
*
54 vl_video_buffer_formats(struct pipe_screen
*screen
, enum pipe_format format
)
57 case PIPE_FORMAT_YV12
:
58 return const_resource_formats_YV12
;
60 case PIPE_FORMAT_NV12
:
61 return const_resource_formats_NV12
;
69 vl_video_buffer_is_format_supported(struct pipe_screen
*screen
,
70 enum pipe_format format
,
71 enum pipe_video_profile profile
)
73 const enum pipe_format
*resource_formats
;
76 resource_formats
= vl_video_buffer_formats(screen
, format
);
77 if (!resource_formats
)
80 for(i
= 0; i
< VL_MAX_PLANES
; ++i
) {
81 if (!resource_formats
[i
])
84 if (!screen
->is_format_supported(screen
, resource_formats
[i
], PIPE_TEXTURE_2D
, 0, PIPE_USAGE_STATIC
))
92 vl_video_buffer_destroy(struct pipe_video_buffer
*buffer
)
94 struct vl_video_buffer
*buf
= (struct vl_video_buffer
*)buffer
;
99 for (i
= 0; i
< VL_MAX_PLANES
; ++i
) {
100 pipe_surface_reference(&buf
->surfaces
[i
], NULL
);
101 pipe_sampler_view_reference(&buf
->sampler_view_planes
[i
], NULL
);
102 pipe_sampler_view_reference(&buf
->sampler_view_components
[i
], NULL
);
103 pipe_resource_reference(&buf
->resources
[i
], NULL
);
107 static struct pipe_sampler_view
**
108 vl_video_buffer_sampler_view_planes(struct pipe_video_buffer
*buffer
)
110 struct vl_video_buffer
*buf
= (struct vl_video_buffer
*)buffer
;
111 struct pipe_sampler_view sv_templ
;
112 struct pipe_context
*pipe
;
119 for (i
= 0; i
< buf
->num_planes
; ++i
) {
120 if (!buf
->sampler_view_planes
[i
]) {
121 memset(&sv_templ
, 0, sizeof(sv_templ
));
122 u_sampler_view_default_template(&sv_templ
, buf
->resources
[i
], buf
->resources
[i
]->format
);
124 if (util_format_get_nr_components(buf
->resources
[i
]->format
) == 1)
125 sv_templ
.swizzle_r
= sv_templ
.swizzle_g
= sv_templ
.swizzle_b
= sv_templ
.swizzle_a
= PIPE_SWIZZLE_RED
;
127 buf
->sampler_view_planes
[i
] = pipe
->create_sampler_view(pipe
, buf
->resources
[i
], &sv_templ
);
128 if (!buf
->sampler_view_planes
[i
])
133 return buf
->sampler_view_planes
;
136 for (i
= 0; i
< buf
->num_planes
; ++i
)
137 pipe_sampler_view_reference(&buf
->sampler_view_planes
[i
], NULL
);
142 static struct pipe_sampler_view
**
143 vl_video_buffer_sampler_view_components(struct pipe_video_buffer
*buffer
)
145 struct vl_video_buffer
*buf
= (struct vl_video_buffer
*)buffer
;
146 struct pipe_sampler_view sv_templ
;
147 struct pipe_context
*pipe
;
148 unsigned i
, j
, component
;
154 for (component
= 0, i
= 0; i
< buf
->num_planes
; ++i
) {
155 unsigned nr_components
= util_format_get_nr_components(buf
->resources
[i
]->format
);
157 for (j
= 0; j
< nr_components
; ++j
, ++component
) {
158 assert(component
< VL_MAX_PLANES
);
160 if (!buf
->sampler_view_components
[component
]) {
161 memset(&sv_templ
, 0, sizeof(sv_templ
));
162 u_sampler_view_default_template(&sv_templ
, buf
->resources
[i
], buf
->resources
[i
]->format
);
163 sv_templ
.swizzle_r
= sv_templ
.swizzle_g
= sv_templ
.swizzle_b
= PIPE_SWIZZLE_RED
+ j
;
164 sv_templ
.swizzle_a
= PIPE_SWIZZLE_ONE
;
165 buf
->sampler_view_components
[component
] = pipe
->create_sampler_view(pipe
, buf
->resources
[i
], &sv_templ
);
166 if (!buf
->sampler_view_components
[component
])
172 return buf
->sampler_view_components
;
175 for (i
= 0; i
< VL_MAX_PLANES
; ++i
)
176 pipe_sampler_view_reference(&buf
->sampler_view_components
[i
], NULL
);
181 static struct pipe_surface
**
182 vl_video_buffer_surfaces(struct pipe_video_buffer
*buffer
)
184 struct vl_video_buffer
*buf
= (struct vl_video_buffer
*)buffer
;
185 struct pipe_surface surf_templ
;
186 struct pipe_context
*pipe
;
193 for (i
= 0; i
< buf
->num_planes
; ++i
) {
194 if (!buf
->surfaces
[i
]) {
195 memset(&surf_templ
, 0, sizeof(surf_templ
));
196 surf_templ
.format
= buf
->resources
[i
]->format
;
197 surf_templ
.usage
= PIPE_BIND_SAMPLER_VIEW
| PIPE_BIND_RENDER_TARGET
;
198 buf
->surfaces
[i
] = pipe
->create_surface(pipe
, buf
->resources
[i
], &surf_templ
);
199 if (!buf
->surfaces
[i
])
204 return buf
->surfaces
;
207 for (i
= 0; i
< buf
->num_planes
; ++i
)
208 pipe_surface_reference(&buf
->surfaces
[i
], NULL
);
213 struct pipe_video_buffer
*
214 vl_video_buffer_init(struct pipe_video_context
*context
,
215 struct pipe_context
*pipe
,
216 unsigned width
, unsigned height
, unsigned depth
,
217 enum pipe_video_chroma_format chroma_format
,
218 const enum pipe_format resource_formats
[VL_MAX_PLANES
],
221 struct vl_video_buffer
*buffer
;
222 struct pipe_resource templ
;
225 assert(context
&& pipe
);
227 buffer
= CALLOC_STRUCT(vl_video_buffer
);
229 buffer
->base
.destroy
= vl_video_buffer_destroy
;
230 buffer
->base
.get_sampler_view_planes
= vl_video_buffer_sampler_view_planes
;
231 buffer
->base
.get_sampler_view_components
= vl_video_buffer_sampler_view_components
;
232 buffer
->base
.get_surfaces
= vl_video_buffer_surfaces
;
233 buffer
->base
.chroma_format
= chroma_format
;
234 buffer
->base
.width
= width
;
235 buffer
->base
.height
= height
;
237 buffer
->num_planes
= 1;
239 memset(&templ
, 0, sizeof(templ
));
240 templ
.target
= depth
> 1 ? PIPE_TEXTURE_3D
: PIPE_TEXTURE_2D
;
241 templ
.format
= resource_formats
[0];
242 templ
.width0
= width
;
243 templ
.height0
= height
;
244 templ
.depth0
= depth
;
245 templ
.array_size
= 1;
246 templ
.bind
= PIPE_BIND_SAMPLER_VIEW
| PIPE_BIND_RENDER_TARGET
;
249 buffer
->resources
[0] = pipe
->screen
->resource_create(pipe
->screen
, &templ
);
250 if (!buffer
->resources
[0])
253 if (resource_formats
[1] == PIPE_FORMAT_NONE
) {
254 assert(chroma_format
== PIPE_VIDEO_CHROMA_FORMAT_444
);
255 assert(resource_formats
[2] == PIPE_FORMAT_NONE
);
256 return &buffer
->base
;
258 buffer
->num_planes
= 2;
260 templ
.format
= resource_formats
[1];
261 if (chroma_format
== PIPE_VIDEO_CHROMA_FORMAT_420
) {
264 } else if (chroma_format
== PIPE_VIDEO_CHROMA_FORMAT_422
) {
268 buffer
->resources
[1] = pipe
->screen
->resource_create(pipe
->screen
, &templ
);
269 if (!buffer
->resources
[1])
272 if (resource_formats
[2] == PIPE_FORMAT_NONE
)
273 return &buffer
->base
;
275 buffer
->num_planes
= 3;
277 templ
.format
= resource_formats
[2];
278 buffer
->resources
[2] = pipe
->screen
->resource_create(pipe
->screen
, &templ
);
279 if (!buffer
->resources
[2])
282 return &buffer
->base
;
285 for (i
= 0; i
< VL_MAX_PLANES
; ++i
)
286 pipe_resource_reference(&buffer
->resources
[i
], NULL
);