vl_vertex_buffers.h revision 310eea52ca1e997295c84163066cc5d0fd4f8cf6 
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 <assert.h>
31#include <pipe/p_state.h>
32#include <pipe/p_video_state.h>
33#include "vl_types.h"
34
35enum VS_INPUT
36{
37   VS_I_RECT,
38   VS_I_VPOS,
39   VS_I_EB_0_0,
40   VS_I_EB_0_1,
41   VS_I_EB_1_0,
42   VS_I_EB_1_1,
43   VS_I_MV0,
44   VS_I_MV1,
45   VS_I_MV2,
46   VS_I_MV3,
47
48   NUM_VS_INPUTS
49};
50
51struct vl_vertex_buffer
52{
53   unsigned size;
54   unsigned num_not_empty;
55   unsigned num_empty;
56   struct pipe_resource *resource;
57   struct pipe_transfer *transfer;
58   struct vl_vertex_stream *start;
59   struct vl_vertex_stream *end;
60};
61
62struct pipe_vertex_buffer vl_vb_upload_quads(struct pipe_context *pipe,
63                                             unsigned blocks_x, unsigned blocks_y);
64
65void *vl_vb_get_elems_state(struct pipe_context *pipe, bool include_mvs);
66
67struct pipe_vertex_buffer vl_vb_init(struct vl_vertex_buffer *buffer,
68                                     struct pipe_context *pipe,
69                                     unsigned max_blocks);
70
71void vl_vb_map(struct vl_vertex_buffer *buffer, struct pipe_context *pipe);
72
73void vl_vb_add_block(struct vl_vertex_buffer *buffer, struct pipe_mpeg12_macroblock *mb,
74                     const unsigned (*empty_block_mask)[3][2][2]);
75
76void vl_vb_unmap(struct vl_vertex_buffer *buffer, struct pipe_context *pipe);
77
78void vl_vb_restart(struct vl_vertex_buffer *buffer);
79
80void vl_vb_cleanup(struct vl_vertex_buffer *buffer);
81
82#endif
83