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 55enum vl_mv_weight 56{ 57 PIPE_VIDEO_MV_WEIGHT_MIN = 0, 58 PIPE_VIDEO_MV_WEIGHT_HALF = 128, 59 PIPE_VIDEO_MV_WEIGHT_MAX = 256 60}; 61 62enum vl_field_select 63{ 64 PIPE_VIDEO_FRAME = 0, 65 PIPE_VIDEO_TOP_FIELD = 1, 66 PIPE_VIDEO_BOTTOM_FIELD = 3, 67 68 /* TODO 69 PIPE_VIDEO_DUALPRIME 70 PIPE_VIDEO_16x8 71 */ 72}; 73 74struct vl_motionvector 75{ 76 struct { 77 int16_t x, y; 78 int16_t field_select; /**< enum pipe_video_field_select */ 79 int16_t weight; /**< enum pipe_video_mv_weight */ 80 } top, bottom; 81}; 82 83struct vl_ycbcr_block 84{ 85 uint8_t x, y; 86 uint8_t intra; 87 uint8_t coding; 88 float block_num; 89}; 90 91struct vl_vertex_buffer 92{ 93 unsigned width, height; 94 95 struct { 96 struct pipe_resource *resource; 97 struct pipe_transfer *transfer; 98 struct vl_ycbcr_block *vertex_stream; 99 } ycbcr[VL_NUM_COMPONENTS]; 100 101 struct { 102 struct pipe_resource *resource; 103 struct pipe_transfer *transfer; 104 struct vl_motionvector *vertex_stream; 105 } mv[VL_MAX_REF_FRAMES]; 106}; 107 108struct pipe_vertex_buffer vl_vb_upload_quads(struct pipe_context *pipe); 109 110struct pipe_vertex_buffer vl_vb_upload_pos(struct pipe_context *pipe, unsigned width, unsigned height); 111 112void *vl_vb_get_ves_ycbcr(struct pipe_context *pipe); 113 114void *vl_vb_get_ves_mv(struct pipe_context *pipe); 115 116bool vl_vb_init(struct vl_vertex_buffer *buffer, 117 struct pipe_context *pipe, 118 unsigned width, unsigned height); 119 120unsigned vl_vb_attributes_per_plock(struct vl_vertex_buffer *buffer); 121 122void vl_vb_map(struct vl_vertex_buffer *buffer, struct pipe_context *pipe); 123 124struct pipe_vertex_buffer vl_vb_get_ycbcr(struct vl_vertex_buffer *buffer, int component); 125 126struct vl_ycbcr_block *vl_vb_get_ycbcr_stream(struct vl_vertex_buffer *buffer, int component); 127 128struct pipe_vertex_buffer vl_vb_get_mv(struct vl_vertex_buffer *buffer, int ref_frame); 129 130unsigned vl_vb_get_mv_stream_stride(struct vl_vertex_buffer *buffer); 131 132struct vl_motionvector *vl_vb_get_mv_stream(struct vl_vertex_buffer *buffer, int ref_frame); 133 134void vl_vb_unmap(struct vl_vertex_buffer *buffer, struct pipe_context *pipe); 135 136void vl_vb_cleanup(struct vl_vertex_buffer *buffer); 137 138#endif /* vl_vertex_buffers_h */ 139