vl_video_buffer.h revision 12b49ca2dfab832ff9dce50c846aee7f3efc3084
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#ifndef vl_video_buffer_h 29#define vl_video_buffer_h 30 31#include "pipe/p_context.h" 32#include "pipe/p_video_decoder.h" 33 34#include "vl_defines.h" 35 36/** 37 * implementation of a planar ycbcr buffer 38 */ 39 40/* planar buffer for vl data upload and manipulation */ 41struct vl_video_buffer 42{ 43 struct pipe_video_buffer base; 44 unsigned num_planes; 45 struct pipe_resource *resources[VL_MAX_PLANES]; 46 struct pipe_sampler_view *sampler_view_planes[VL_MAX_PLANES]; 47 struct pipe_sampler_view *sampler_view_components[VL_MAX_PLANES]; 48 struct pipe_surface *surfaces[VL_MAX_PLANES]; 49}; 50 51/** 52 * get subformats for each plane 53 */ 54const enum pipe_format * 55vl_video_buffer_formats(struct pipe_screen *screen, enum pipe_format format); 56 57/** 58 * get maximum size of video buffers 59 */ 60unsigned 61vl_video_buffer_max_size(struct pipe_screen *screen); 62 63/** 64 * check if video buffer format is supported for a codec/profile 65 * can be used as default implementation of screen->is_video_format_supported 66 */ 67boolean 68vl_video_buffer_is_format_supported(struct pipe_screen *screen, 69 enum pipe_format format, 70 enum pipe_video_profile profile); 71 72/* 73 * set the associated data for the given video buffer 74 */ 75void 76vl_video_buffer_set_associated_data(struct pipe_video_buffer *vbuf, 77 struct pipe_video_decoder *vdec, 78 void *associated_data, 79 void (*destroy_associated_data)(void *)); 80 81/* 82 * get the associated data for the given video buffer 83 */ 84void * 85vl_video_buffer_get_associated_data(struct pipe_video_buffer *vbuf, 86 struct pipe_video_decoder *vdec); 87 88/** 89 * fill a resource template for the given plane 90 */ 91void 92vl_vide_buffer_template(struct pipe_resource *templ, 93 const struct pipe_video_buffer *templat, 94 enum pipe_format resource_format, 95 unsigned depth, unsigned usage, unsigned plane); 96 97/** 98 * creates a video buffer, can be used as a standard implementation for pipe->create_video_buffer 99 */ 100struct pipe_video_buffer * 101vl_video_buffer_create(struct pipe_context *pipe, 102 const struct pipe_video_buffer *templat); 103 104/** 105 * extended create function, gets depth, usage and formats for each plane seperately 106 */ 107struct pipe_video_buffer * 108vl_video_buffer_create_ex(struct pipe_context *pipe, 109 const struct pipe_video_buffer *templat, 110 const enum pipe_format resource_formats[VL_MAX_PLANES], 111 unsigned depth, unsigned usage); 112 113/** 114 * even more extended create function, provide the pipe_resource for each plane 115 */ 116struct pipe_video_buffer * 117vl_video_buffer_create_ex2(struct pipe_context *pipe, 118 const struct pipe_video_buffer *templat, 119 struct pipe_resource *resources[VL_MAX_PLANES]); 120 121#endif /* vl_video_buffer_h */ 122