vl_mc.h revision ca79aeb91e914ac1a4774d51ca49911406377407 
1/**************************************************************************
2 *
3 * Copyright 2009 Younes Manton.
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_mc_h
29#define vl_mc_h
30
31#include <pipe/p_state.h>
32#include <pipe/p_video_state.h>
33
34#include "vl_types.h"
35
36struct pipe_context;
37
38struct vl_mc
39{
40   struct pipe_context *pipe;
41   unsigned buffer_width;
42   unsigned buffer_height;
43   unsigned macroblock_size;
44
45   void *rs_state;
46
47   void *blend_clear, *blend_add;
48   void *vs_ref, *vs_ycbcr;
49   void *fs_ref, *fs_ycbcr;
50   void *sampler_ref, *sampler_ycbcr;
51};
52
53struct vl_mc_buffer
54{
55   struct vl_mc *renderer;
56
57   bool surface_cleared;
58
59   struct pipe_viewport_state viewport;
60   struct pipe_framebuffer_state fb_state;
61
62   struct pipe_sampler_view *source;
63};
64
65bool vl_mc_init(struct vl_mc *renderer, struct pipe_context *pipe,
66                unsigned picture_width, unsigned picture_height,
67                unsigned macroblock_size, float scale);
68
69void vl_mc_cleanup(struct vl_mc *renderer);
70
71bool vl_mc_init_buffer(struct vl_mc *renderer, struct vl_mc_buffer *buffer,
72                       struct pipe_sampler_view *source);
73
74void vl_mc_cleanup_buffer(struct vl_mc_buffer *buffer);
75
76void vl_mc_set_surface(struct vl_mc_buffer *buffer, struct pipe_surface *surface);
77
78void vl_mc_render_ref(struct vl_mc_buffer *buffer, struct pipe_sampler_view *ref,
79                      unsigned not_empty_start_instance, unsigned not_empty_num_instances,
80                      unsigned empty_start_instance, unsigned empty_num_instances);
81
82void vl_mc_render_ycbcr(struct vl_mc_buffer *buffer,
83                        unsigned not_empty_start_instance, unsigned not_empty_num_instances);
84
85#endif /* vl_mc_h */
86