vl_compositor.h revision e5f78a74f8294ee02015552db664dae1e7da9f47 
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_compositor_h
29#define vl_compositor_h
30
31#include <pipe/p_state.h>
32#include <pipe/p_video_context.h>
33#include <pipe/p_video_state.h>
34
35struct pipe_context;
36
37#define VL_COMPOSITOR_MAX_LAYERS 16
38
39struct vl_compositor_layer
40{
41   void *fs;
42   struct pipe_sampler_view *sampler_views[3];
43   struct pipe_video_rect src_rect;
44   struct pipe_video_rect dst_rect;
45};
46
47struct vl_compositor
48{
49   struct pipe_video_compositor base;
50   struct pipe_context *pipe;
51
52   struct pipe_framebuffer_state fb_state;
53   struct pipe_viewport_state viewport;
54   struct pipe_vertex_buffer vertex_buf;
55   struct pipe_resource *csc_matrix;
56
57   void *sampler;
58   void *blend;
59   void *vertex_elems_state;
60
61   void *vs;
62   void *fs_video_buffer;
63   void *fs_palette;
64   void *fs_rgba;
65
66   unsigned used_layers:VL_COMPOSITOR_MAX_LAYERS;
67   struct vl_compositor_layer layers[VL_COMPOSITOR_MAX_LAYERS];
68};
69
70struct pipe_video_compositor *vl_compositor_init(struct pipe_video_context *vpipe,
71                                                 struct pipe_context *pipe);
72
73#endif /* vl_compositor_h */
74