src/gallium/drivers/softpipe/sp_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
   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 SP_TEXTURE_H
  29 #define SP_TEXTURE_H
  30
  31
  32 #include "pipe/p_state.h"
  33 #include "pipe/p_video_state.h"
  34
  35
  36 struct pipe_context;
  37 struct pipe_screen;
  38 struct softpipe_context;
  39
  40
  41 struct softpipe_texture
  42 {
  43    struct pipe_texture base;
  44
  45    unsigned long level_offset[PIPE_MAX_TEXTURE_LEVELS];
  46    unsigned stride[PIPE_MAX_TEXTURE_LEVELS];
  47
  48    /* The data is held here:
  49     */
  50    struct pipe_buffer *buffer;
  51
  52    /* True if texture images are power-of-two in all dimensions:
  53     */
  54    boolean pot;
  55
  56    unsigned timestamp;
  57 };
  58
  59 struct softpipe_transfer
  60 {
  61    struct pipe_transfer base;
  62
  63    unsigned long offset;
  64 };
  65
  66 struct softpipe_video_surface
  67 {
  68    struct pipe_video_surface base;
  69
  70    /* The data is held here:
  71     */
  72    struct pipe_texture *tex;
  73 };
  74
  75
  76 /** cast wrappers */
  77 static INLINE struct softpipe_texture *
  78 softpipe_texture(struct pipe_texture *pt)
  79 {
  80    return (struct softpipe_texture *) pt;
  81 }
  82
  83 static INLINE struct softpipe_transfer *
  84 softpipe_transfer(struct pipe_transfer *pt)
  85 {
  86    return (struct softpipe_transfer *) pt;
  87 }
  88
  89 static INLINE struct softpipe_video_surface *
  90 softpipe_video_surface(struct pipe_video_surface *pvs)
  91 {
  92    return (struct softpipe_video_surface *) pvs;
  93 }
  94
  95
  96 extern void
  97 softpipe_init_screen_texture_funcs(struct pipe_screen *screen);
  98
  99
 100 #endif /* SP_TEXTURE */