vl_video_buffer.h revision 4f3fb1586aebfe248321e935651b5af92b5a8261
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_ycbcr_buffer_h 29#define vl_ycbcr_buffer_h 30 31#include <pipe/p_context.h> 32#include <pipe/p_video_context.h> 33 34#define VL_MAX_PLANES 3 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 struct pipe_context *pipe; 45 unsigned num_planes; 46 struct pipe_resource *resources[VL_MAX_PLANES]; 47 struct pipe_sampler_view *sampler_views[VL_MAX_PLANES]; 48 struct pipe_surface *surfaces[VL_MAX_PLANES]; 49}; 50 51/** 52 * initialize a buffer, creating its resources 53 */ 54struct pipe_video_buffer * 55vl_video_buffer_init(struct pipe_video_context *context, 56 struct pipe_context *pipe, 57 unsigned width, unsigned height, unsigned depth, 58 enum pipe_video_chroma_format chroma_format, 59 const enum pipe_format resource_formats[VL_MAX_PLANES], 60 unsigned usage); 61#endif /* vl_ycbcr_buffer_h */ 62