vl_vertex_buffers.h revision a6c76c8a90dc8995feed3c61b02dbd8408149036
1/************************************************************************** 2 * 3 * Copyright 2010 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#ifndef vl_vertex_buffers_h 28#define vl_vertex_buffers_h 29 30#include <pipe/p_state.h> 31#include <pipe/p_video_state.h> 32 33#include "vl_defines.h" 34#include "vl_types.h" 35 36/* vertex buffers act as a todo list 37 * uploading all the usefull informations to video ram 38 * so a vertex shader can work with them 39 */ 40 41/* inputs to the vertex shaders */ 42enum VS_INPUT 43{ 44 VS_I_RECT = 0, 45 VS_I_VPOS = 1, 46 47 VS_I_BLOCK_NUM = 2, 48 49 VS_I_MV_TOP = 2, 50 VS_I_MV_BOTTOM = 3, 51 52 NUM_VS_INPUTS = 4 53}; 54 55struct vl_vertex_buffer 56{ 57 unsigned width, height; 58 59 struct { 60 struct pipe_resource *resource; 61 struct pipe_transfer *transfer; 62 struct pipe_ycbcr_block *vertex_stream; 63 } ycbcr[VL_MAX_PLANES]; 64 65 struct { 66 struct pipe_resource *resource; 67 struct pipe_transfer *transfer; 68 struct pipe_motionvector *vertex_stream; 69 } mv[VL_MAX_REF_FRAMES]; 70}; 71 72struct pipe_vertex_buffer vl_vb_upload_quads(struct pipe_context *pipe); 73 74struct pipe_vertex_buffer vl_vb_upload_pos(struct pipe_context *pipe, unsigned width, unsigned height); 75 76struct pipe_vertex_buffer vl_vb_upload_block_num(struct pipe_context *pipe, unsigned num_blocks); 77 78void *vl_vb_get_ves_ycbcr(struct pipe_context *pipe); 79 80void *vl_vb_get_ves_mv(struct pipe_context *pipe); 81 82bool vl_vb_init(struct vl_vertex_buffer *buffer, 83 struct pipe_context *pipe, 84 unsigned width, unsigned height); 85 86unsigned vl_vb_attributes_per_plock(struct vl_vertex_buffer *buffer); 87 88void vl_vb_map(struct vl_vertex_buffer *buffer, struct pipe_context *pipe); 89 90struct pipe_vertex_buffer vl_vb_get_ycbcr(struct vl_vertex_buffer *buffer, int component); 91 92struct pipe_ycbcr_block *vl_vb_get_ycbcr_stream(struct vl_vertex_buffer *buffer, int component); 93 94struct pipe_vertex_buffer vl_vb_get_mv(struct vl_vertex_buffer *buffer, int ref_frame); 95 96unsigned vl_vb_get_mv_stream_stride(struct vl_vertex_buffer *buffer); 97 98struct pipe_motionvector *vl_vb_get_mv_stream(struct vl_vertex_buffer *buffer, int ref_frame); 99 100void vl_vb_unmap(struct vl_vertex_buffer *buffer, struct pipe_context *pipe); 101 102void vl_vb_cleanup(struct vl_vertex_buffer *buffer); 103 104#endif /* vl_vertex_buffers_h */ 105