vl_compositor.h revision 4a0b80f00dbc77d333027afd195daae7ef1e651c 
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_compiler.h>
32#include <pipe/p_state.h>
33#include <pipe/p_video_state.h>
34#include "vl_types.h"
35
36struct pipe_context;
37struct keymap;
38
39#define VL_COMPOSITOR_MAX_LAYERS 16
40
41struct vl_compositor
42{
43   struct pipe_context *pipe;
44
45   struct pipe_framebuffer_state fb_state;
46   struct vertex2f fb_inv_size;
47   void *sampler;
48   struct pipe_sampler_view *sampler_view;
49   void *vertex_shader;
50   struct
51   {
52      void *ycbcr_2_rgb;
53      void *rgb_2_rgb;
54   } fragment_shader;
55   struct pipe_viewport_state viewport;
56   struct pipe_vertex_buffer vertex_buf;
57   void *vertex_elems_state;
58   struct pipe_resource *fs_const_buf;
59
60   struct pipe_sampler_view *bg;
61   struct pipe_video_rect bg_src_rect;
62   bool dirty_bg;
63   struct pipe_sampler_view *layers[VL_COMPOSITOR_MAX_LAYERS];
64   struct pipe_video_rect layer_src_rects[VL_COMPOSITOR_MAX_LAYERS];
65   struct pipe_video_rect layer_dst_rects[VL_COMPOSITOR_MAX_LAYERS];
66   unsigned dirty_layers;
67
68   struct keymap *texview_map;
69};
70
71bool vl_compositor_init(struct vl_compositor *compositor, struct pipe_context *pipe);
72
73void vl_compositor_cleanup(struct vl_compositor *compositor);
74
75#if 0
76void vl_compositor_set_background(struct vl_compositor *compositor,
77                                  struct pipe_surface *bg, struct pipe_video_rect *bg_src_rect);
78#endif
79
80void vl_compositor_set_layers(struct vl_compositor *compositor,
81                              struct pipe_sampler_view *layers[],
82                              struct pipe_video_rect *src_rects[],
83                              struct pipe_video_rect *dst_rects[],
84                              unsigned num_layers);
85
86void vl_compositor_render(struct vl_compositor          *compositor,
87                          struct pipe_sampler_view      *src_surface,
88                          enum pipe_mpeg12_picture_type picture_type,
89                          struct pipe_video_rect        *src_area,
90                          struct pipe_surface           *dst_surface,
91                          struct pipe_video_rect        *dst_area,
92                          struct pipe_fence_handle      **fence);
93
94void vl_compositor_set_csc_matrix(struct vl_compositor *compositor, const float *mat);
95
96#endif /* vl_compositor_h */
97