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1 /*
2  * Copyright © Microsoft Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 
25 #ifndef D3D12_VIDEO_BUFFER_H
26 #define D3D12_VIDEO_BUFFER_H
27 
28 #include "pipe/p_context.h"
29 #include "pipe/p_video_codec.h"
30 #include <vector>
31 
32 ///
33 /// Pipe video buffer interface starts
34 ///
35 
36 /**
37  * creates a video buffer
38  */
39 struct pipe_video_buffer *
40 d3d12_video_buffer_create(struct pipe_context *pipe, const struct pipe_video_buffer *tmpl);
41 
42 /**
43  * creates a video buffer from a handle
44  */
45 struct pipe_video_buffer *
46 d3d12_video_buffer_from_handle( struct pipe_context *pipe,
47                            const struct pipe_video_buffer *tmpl,
48                            struct winsys_handle *handle,
49                            unsigned usage);
50 /**
51  * destroy this video buffer
52  */
53 void
54 d3d12_video_buffer_destroy(struct pipe_video_buffer *buffer);
55 
56 /**
57  * get an individual resource for each plane,
58  * only returns existing resources by reference
59  */
60 void
61 d3d12_video_buffer_resources(struct pipe_video_buffer *buffer,
62                              struct pipe_resource **resources);
63 
64 /**
65  * get an individual sampler view for each plane
66  */
67 struct pipe_sampler_view **
68 d3d12_video_buffer_get_sampler_view_planes(struct pipe_video_buffer *buffer);
69 
70 /**
71  * get an individual sampler view for each component
72  */
73 struct pipe_sampler_view **
74 d3d12_video_buffer_get_sampler_view_components(struct pipe_video_buffer *buffer);
75 
76 /**
77  * get an individual surfaces for each plane
78  */
79 struct pipe_surface **
80 d3d12_video_buffer_get_surfaces(struct pipe_video_buffer *buffer);
81 
82 /*
83  * destroy the associated data
84  */
85 void
86 d3d12_video_buffer_destroy_associated_data(void *associated_data);
87 
88 /**
89  * output for decoding / input for displaying
90  */
91 struct d3d12_video_buffer
92 {
93    pipe_video_buffer                       base;
94    struct d3d12_resource *                 texture;
95    uint                                    num_planes;
96    std::vector<pipe_surface *>      surfaces;
97    std::vector<pipe_sampler_view *> sampler_view_planes;
98    std::vector<pipe_sampler_view *> sampler_view_components;
99 };
100 
101 ///
102 /// Pipe video buffer interface ends
103 ///
104 
105 #endif
106