1 /**************************************************************************
2  *
3  * Copyright 2016 Nayan Deshmukh.
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
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27 
28 /* implementation of bicubic interpolation filters */
29 
30 #ifndef vl_bicubic_filter_h
31 #define vl_bicubic_filter_h
32 
33 #include "pipe/p_state.h"
34 
35 struct vl_bicubic_filter
36 {
37    struct pipe_context *pipe;
38    struct pipe_vertex_buffer quad;
39 
40    void *rs_state;
41    void *blend;
42    void *sampler;
43    void *ves;
44    void *vs, *fs;
45 };
46 
47 bool
48 vl_bicubic_filter_init(struct vl_bicubic_filter *filter, struct pipe_context *pipe,
49                       unsigned width, unsigned height);
50 
51 void
52 vl_bicubic_filter_cleanup(struct vl_bicubic_filter *filter);
53 
54 
55 void
56 vl_bicubic_filter_render(struct vl_bicubic_filter *filter,
57                         struct pipe_sampler_view *src,
58                         struct pipe_surface *dst,
59                         struct u_rect *dst_area,
60                         struct u_rect *dst_clip);
61 
62 
63 #endif /* vl_bicubic_filter_h */
64