0,0 → 1,138 |
/************************************************************************** |
* |
* Copyright 2010 Christian König |
* All Rights Reserved. |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the |
* "Software"), to deal in the Software without restriction, including |
* without limitation the rights to use, copy, modify, merge, publish, |
* distribute, sub license, and/or sell copies of the Software, and to |
* permit persons to whom the Software is furnished to do so, subject to |
* the following conditions: |
* |
* The above copyright notice and this permission notice (including the |
* next paragraph) shall be included in all copies or substantial portions |
* of the Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
* |
**************************************************************************/ |
#ifndef vl_vertex_buffers_h |
#define vl_vertex_buffers_h |
|
#include "pipe/p_state.h" |
#include "pipe/p_video_state.h" |
|
#include "vl_defines.h" |
#include "vl_types.h" |
|
/* vertex buffers act as a todo list |
* uploading all the usefull informations to video ram |
* so a vertex shader can work with them |
*/ |
|
/* inputs to the vertex shaders */ |
enum VS_INPUT |
{ |
VS_I_RECT = 0, |
VS_I_VPOS = 1, |
|
VS_I_BLOCK_NUM = 2, |
|
VS_I_MV_TOP = 2, |
VS_I_MV_BOTTOM = 3, |
|
NUM_VS_INPUTS = 4 |
}; |
|
enum vl_mv_weight |
{ |
PIPE_VIDEO_MV_WEIGHT_MIN = 0, |
PIPE_VIDEO_MV_WEIGHT_HALF = 128, |
PIPE_VIDEO_MV_WEIGHT_MAX = 256 |
}; |
|
enum vl_field_select |
{ |
PIPE_VIDEO_FRAME = 0, |
PIPE_VIDEO_TOP_FIELD = 1, |
PIPE_VIDEO_BOTTOM_FIELD = 3, |
|
/* TODO |
PIPE_VIDEO_DUALPRIME |
PIPE_VIDEO_16x8 |
*/ |
}; |
|
struct vl_motionvector |
{ |
struct { |
int16_t x, y; |
int16_t field_select; /**< enum pipe_video_field_select */ |
int16_t weight; /**< enum pipe_video_mv_weight */ |
} top, bottom; |
}; |
|
struct vl_ycbcr_block |
{ |
uint8_t x, y; |
uint8_t intra; |
uint8_t coding; |
float block_num; |
}; |
|
struct vl_vertex_buffer |
{ |
unsigned width, height; |
|
struct { |
struct pipe_resource *resource; |
struct pipe_transfer *transfer; |
struct vl_ycbcr_block *vertex_stream; |
} ycbcr[VL_NUM_COMPONENTS]; |
|
struct { |
struct pipe_resource *resource; |
struct pipe_transfer *transfer; |
struct vl_motionvector *vertex_stream; |
} mv[VL_MAX_REF_FRAMES]; |
}; |
|
struct pipe_vertex_buffer vl_vb_upload_quads(struct pipe_context *pipe); |
|
struct pipe_vertex_buffer vl_vb_upload_pos(struct pipe_context *pipe, unsigned width, unsigned height); |
|
void *vl_vb_get_ves_ycbcr(struct pipe_context *pipe); |
|
void *vl_vb_get_ves_mv(struct pipe_context *pipe); |
|
bool vl_vb_init(struct vl_vertex_buffer *buffer, |
struct pipe_context *pipe, |
unsigned width, unsigned height); |
|
unsigned vl_vb_attributes_per_plock(struct vl_vertex_buffer *buffer); |
|
void vl_vb_map(struct vl_vertex_buffer *buffer, struct pipe_context *pipe); |
|
struct pipe_vertex_buffer vl_vb_get_ycbcr(struct vl_vertex_buffer *buffer, int component); |
|
struct vl_ycbcr_block *vl_vb_get_ycbcr_stream(struct vl_vertex_buffer *buffer, int component); |
|
struct pipe_vertex_buffer vl_vb_get_mv(struct vl_vertex_buffer *buffer, int ref_frame); |
|
unsigned vl_vb_get_mv_stream_stride(struct vl_vertex_buffer *buffer); |
|
struct vl_motionvector *vl_vb_get_mv_stream(struct vl_vertex_buffer *buffer, int ref_frame); |
|
void vl_vb_unmap(struct vl_vertex_buffer *buffer, struct pipe_context *pipe); |
|
void vl_vb_cleanup(struct vl_vertex_buffer *buffer); |
|
#endif /* vl_vertex_buffers_h */ |