1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/**************************************************************************
*
* Copyright 2009 Younes Manton.
* 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 TUNGSTEN GRAPHICS 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_compositor_h
#define vl_compositor_h
#include <pipe/p_state.h>
#include <pipe/p_video_context.h>
#include <pipe/p_video_state.h>
#include "vl_types.h"
struct pipe_context;
/**
* composing and displaying of image data
*/
#define VL_COMPOSITOR_MAX_LAYERS 16
struct vl_compositor_layer
{
bool clearing;
void *fs;
void *samplers[3];
struct pipe_sampler_view *sampler_views[3];
struct {
struct vertex2f tl, br;
} src, dst;
};
struct vl_compositor
{
struct pipe_context *pipe;
struct pipe_framebuffer_state fb_state;
struct pipe_viewport_state viewport;
struct pipe_vertex_buffer vertex_buf;
struct pipe_resource *csc_matrix;
void *sampler_linear;
void *sampler_nearest;
void *blend;
void *rast;
void *vertex_elems_state;
void *vs;
void *fs_video_buffer;
void *fs_palette;
void *fs_rgba;
float clear_color[4];
struct vertex2f dirty_tl, dirty_br;
unsigned used_layers:VL_COMPOSITOR_MAX_LAYERS;
struct vl_compositor_layer layers[VL_COMPOSITOR_MAX_LAYERS];
};
/**
* initialize this compositor
*/
bool
vl_compositor_init(struct vl_compositor *compositor, struct pipe_context *pipe);
/**
* set yuv -> rgba conversion matrix
*/
void
vl_compositor_set_csc_matrix(struct vl_compositor *compositor, const float mat[16]);
/**
* reset dirty area, so it's cleared with the clear colour
*/
void
vl_compositor_reset_dirty_area(struct vl_compositor *compositor);
/**
* set the clear color
*/
void
vl_compositor_set_clear_color(struct vl_compositor *compositor, float color[4]);
/**
* set overlay samplers
*/
/*@{*/
/**
* reset all currently set layers
*/
void
vl_compositor_clear_layers(struct vl_compositor *compositor);
/**
* set a video buffer as a layer to render
*/
void
vl_compositor_set_buffer_layer(struct vl_compositor *compositor,
unsigned layer,
struct pipe_video_buffer *buffer,
struct pipe_video_rect *src_rect,
struct pipe_video_rect *dst_rect);
/**
* set a paletted sampler as a layer to render
*/
void
vl_compositor_set_palette_layer(struct vl_compositor *compositor,
unsigned layer,
struct pipe_sampler_view *indexes,
struct pipe_sampler_view *palette,
struct pipe_video_rect *src_rect,
struct pipe_video_rect *dst_rect);
/**
* set a rgba sampler as a layer to render
*/
void
vl_compositor_set_rgba_layer(struct vl_compositor *compositor,
unsigned layer,
struct pipe_sampler_view *rgba,
struct pipe_video_rect *src_rect,
struct pipe_video_rect *dst_rect);
/*@}*/
/**
* render the layers to the frontbuffer
*/
void
vl_compositor_render(struct vl_compositor *compositor,
enum pipe_mpeg12_picture_type picture_type,
struct pipe_surface *dst_surface,
struct pipe_video_rect *dst_area,
struct pipe_fence_handle **fence);
/**
* destroy this compositor
*/
void
vl_compositor_cleanup(struct vl_compositor *compositor);
#endif /* vl_compositor_h */
|
