src/gallium/auxiliary/vl/vl_idct.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2010 Christian König
   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_idct_h
  29 #define vl_idct_h
  30
  31 #include <pipe/p_state.h>
  32
  33 struct vl_idct
  34 {
  35    struct pipe_context *pipe;
  36
  37    unsigned max_blocks;
  38
  39    struct pipe_viewport_state viewport;
  40    struct pipe_resource *vs_const_buf;
  41    struct pipe_framebuffer_state fb_state;
  42
  43    struct pipe_resource *destination;
  44
  45    void *vertex_elems_state;
  46
  47    union
  48    {
  49       void *all[4];
  50       void *stage[2][2];
  51       struct {
  52          void *transpose, *source;
  53          void *matrix, *intermediate;
  54       } individual;
  55    } samplers;
  56
  57    union
  58    {
  59       struct pipe_sampler_view *all[4];
  60       struct pipe_sampler_view *stage[2][2];
  61       struct {
  62          struct pipe_sampler_view *transpose, *source;
  63          struct pipe_sampler_view *matrix, *intermediate;
  64       } individual;
  65    } sampler_views;
  66
  67    void *vs;
  68    void *transpose_fs, *matrix_fs, *eb_fs;
  69
  70    union
  71    {
  72       struct pipe_resource *all[4];
  73       struct pipe_resource *stage[2][2];
  74       struct {
  75          struct pipe_resource *transpose, *source;
  76          struct pipe_resource *matrix, *intermediate;
  77       } individual;
  78    } textures;
  79
  80    union
  81    {
  82       struct pipe_vertex_buffer all[2];
  83       struct { struct pipe_vertex_buffer quad, pos; } individual;
  84    } vertex_bufs;
  85
  86    unsigned num_blocks;
  87    unsigned num_empty_blocks;
  88
  89    struct pipe_transfer *tex_transfer;
  90    short *texels;
  91
  92    struct pipe_transfer *vec_transfer;
  93    struct vertex2f *vectors;
  94
  95    struct {
  96       struct pipe_surface *intermediate, *destination;
  97    } surfaces;
  98 };
  99
 100 bool vl_idct_init(struct vl_idct *idct, struct pipe_context *pipe, struct pipe_resource *dst);
 101
 102 void vl_idct_cleanup(struct vl_idct *idct);
 103
 104 void vl_idct_add_block(struct vl_idct *idct, unsigned x, unsigned y, short *block);
 105
 106 void vl_idct_flush(struct vl_idct *idct);
 107
 108 #endif