src/gallium/auxiliary/vl/vl_bicubic_filter.h

   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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  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
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  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
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  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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  26  **************************************************************************/
  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 */