vl_compositor.h revision 1f3a85ec7931c5d67fce0ec1e845d6c91048e599 
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#include "vl_ycbcr_buffer.h"
36
37struct pipe_context;
38struct keymap;
39
40#define VL_COMPOSITOR_MAX_LAYERS 16
41
42struct vl_compositor
43{
44   struct pipe_context *pipe;
45
46   struct pipe_framebuffer_state fb_state;
47   struct vertex2f fb_inv_size;
48   void *sampler;
49   void *blend;
50   struct pipe_sampler_view *sampler_view;
51   void *vertex_shader;
52   struct
53   {
54      void *ycbcr_2_rgb;
55      void *rgb_2_rgb;
56      void *palette_2_rgb;
57   } fragment_shader;
58   struct pipe_viewport_state viewport;
59   struct pipe_vertex_buffer vertex_buf;
60   void *vertex_elems_state;
61   struct pipe_resource *fs_const_buf;
62
63   struct pipe_sampler_view *layers[VL_COMPOSITOR_MAX_LAYERS];
64   struct pipe_sampler_view *palettes[VL_COMPOSITOR_MAX_LAYERS];
65   struct pipe_video_rect layer_src_rects[VL_COMPOSITOR_MAX_LAYERS];
66   struct pipe_video_rect layer_dst_rects[VL_COMPOSITOR_MAX_LAYERS];
67   unsigned dirty_layers;
68};
69
70bool vl_compositor_init(struct vl_compositor *compositor, struct pipe_context *pipe);
71
72void vl_compositor_cleanup(struct vl_compositor *compositor);
73
74void vl_compositor_set_layers(struct vl_compositor *compositor,
75                              struct pipe_sampler_view *layers[],
76                              struct pipe_sampler_view *palettes[],
77                              struct pipe_video_rect *src_rects[],
78                              struct pipe_video_rect *dst_rects[],
79                              unsigned num_layers);
80
81void vl_compositor_render(struct vl_compositor          *compositor,
82                          struct vl_ycbcr_sampler_views *src_sampler,
83                          struct pipe_video_rect        *src_area,
84                          struct pipe_surface           *dst_surface,
85                          struct pipe_video_rect        *dst_area,
86                          struct pipe_fence_handle      **fence);
87
88void vl_compositor_set_csc_matrix(struct vl_compositor *compositor, const float *mat);
89
90#endif /* vl_compositor_h */
91