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 #include "d3d12_video_types.h" 32 33 /// 34 /// Pipe video buffer interface starts 35 /// 36 37 /** 38 * creates a video buffer 39 */ 40 struct pipe_video_buffer * 41 d3d12_video_buffer_create(struct pipe_context *pipe, const struct pipe_video_buffer *tmpl); 42 43 /** 44 * creates a video buffer from a handle 45 */ 46 struct pipe_video_buffer * 47 d3d12_video_buffer_from_handle( struct pipe_context *pipe, 48 const struct pipe_video_buffer *tmpl, 49 struct winsys_handle *handle, 50 unsigned usage); 51 /** 52 * destroy this video buffer 53 */ 54 void 55 d3d12_video_buffer_destroy(struct pipe_video_buffer *buffer); 56 57 /** 58 * get an individual resource for each plane, 59 * only returns existing resources by reference 60 */ 61 void 62 d3d12_video_buffer_resources(struct pipe_video_buffer *buffer, 63 struct pipe_resource **resources); 64 65 /** 66 * get an individual sampler view for each plane 67 */ 68 struct pipe_sampler_view ** 69 d3d12_video_buffer_get_sampler_view_planes(struct pipe_video_buffer *buffer); 70 71 /** 72 * get an individual sampler view for each component 73 */ 74 struct pipe_sampler_view ** 75 d3d12_video_buffer_get_sampler_view_components(struct pipe_video_buffer *buffer); 76 77 /** 78 * get an individual surfaces for each plane 79 */ 80 struct pipe_surface ** 81 d3d12_video_buffer_get_surfaces(struct pipe_video_buffer *buffer); 82 83 /* 84 * destroy the associated data 85 */ 86 void 87 d3d12_video_buffer_destroy_associated_data(void *associated_data); 88 89 /** 90 * output for decoding / input for displaying 91 */ 92 struct d3d12_video_buffer 93 { 94 pipe_video_buffer base; 95 struct d3d12_resource * texture; 96 uint num_planes; 97 std::vector<pipe_surface *> surfaces; 98 std::vector<pipe_sampler_view *> sampler_view_planes; 99 std::vector<pipe_sampler_view *> sampler_view_components; 100 101 // Indicates the subresource index into the texture.array_size 102 // that corresponds to this video buffer object 103 uint idx_texarray_slots; 104 105 // Used by d3d12_video_buffer_destroy() when using texture array mode 106 // in the function d3d12_video_enc::d3d12_video_create_dpb_buffer() 107 // Points to the same address as d3d12_video_encoder::m_spVideoTexArrayDPBPoolInUse 108 std::shared_ptr<uint32_t> m_spVideoTexArrayDPBPoolInUse; 109 }; 110 111 /// 112 /// Pipe video buffer interface ends 113 /// 114 115 /** 116 * creates a video dpb buffer 117 */ 118 119 enum class d3d12_video_buffer_creation_mode 120 { 121 create_resource = 0, 122 place_on_resource = 1, 123 open_shared_resource = 2, 124 }; 125 126 struct pipe_video_buffer* 127 d3d12_video_create_dpb_buffer(struct pipe_video_codec *codec, 128 struct pipe_picture_desc *picture, 129 const struct pipe_video_buffer *templat); 130 131 struct pipe_video_buffer* 132 d3d12_video_create_dpb_buffer_aot(struct pipe_video_codec *codec, 133 struct pipe_picture_desc *picture, 134 const struct pipe_video_buffer *templat); 135 136 struct pipe_video_buffer* 137 d3d12_video_create_dpb_buffer_texarray(struct pipe_video_codec *codec, 138 struct pipe_picture_desc *picture, 139 const struct pipe_video_buffer *templat); 140 141 #endif 142