src/gallium/drivers/cell/ppu/cell_texture.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   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
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   9  * without limitation the rights to use, copy, modify, merge, publish,
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  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
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  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
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  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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  26  **************************************************************************/
  27
  28 #ifndef CELL_TEXTURE_H
  29 #define CELL_TEXTURE_H
  30
  31
  32 struct cell_context;
  33 struct pipe_texture;
  34
  35
  36 /**
  37  * Subclass of pipe_texture
  38  */
  39 struct cell_texture
  40 {
  41    struct pipe_texture base;
  42
  43    unsigned long level_offset[CELL_MAX_TEXTURE_LEVELS];
  44    unsigned long stride[CELL_MAX_TEXTURE_LEVELS];
  45
  46    /* The data is held here:
  47     */
  48    struct pipe_buffer *buffer;
  49    unsigned long buffer_size;
  50
  51    /** Texture data in tiled layout is held here */
  52    struct pipe_buffer *tiled_buffer[CELL_MAX_TEXTURE_LEVELS];
  53    /** Mapped, tiled texture data */
  54    void *tiled_mapped[CELL_MAX_TEXTURE_LEVELS];
  55    void *untiled_data[CELL_MAX_TEXTURE_LEVELS];
  56 };
  57
  58
  59 /** cast wrapper */
  60 static INLINE struct cell_texture *
  61 cell_texture(struct pipe_texture *pt)
  62 {
  63    return (struct cell_texture *) pt;
  64 }
  65
  66
  67
  68 extern void
  69 cell_init_screen_texture_funcs(struct pipe_screen *screen);
  70
  71
  72 #endif /* CELL_TEXTURE_H */