src/mesa/main/mipmap.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 1999-2006  Brian Paul   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 "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26 #ifndef MIPMAP_H
  27 #define MIPMAP_H
  28
  29 #include "mtypes.h"
  30
  31
  32 extern void
  33 _mesa_generate_mipmap_level(GLenum target,
  34                             GLenum datatype, GLuint comps,
  35                             GLint border,
  36                             GLint srcWidth, GLint srcHeight, GLint srcDepth,
  37                             const GLubyte **srcData,
  38                             GLint srcRowStride,
  39                             GLint dstWidth, GLint dstHeight, GLint dstDepth,
  40                             GLubyte **dstData,
  41                             GLint dstRowStride);
  42
  43 void
  44 _mesa_prepare_mipmap_levels(struct gl_context *ctx,
  45                             struct gl_texture_object *texObj,
  46                             unsigned baseLevel, unsigned maxLevel);
  47
  48 extern void
  49 _mesa_generate_mipmap(struct gl_context *ctx, GLenum target,
  50                       struct gl_texture_object *texObj);
  51
  52 extern GLboolean
  53 _mesa_next_mipmap_level_size(GLenum target, GLint border,
  54                        GLint srcWidth, GLint srcHeight, GLint srcDepth,
  55                        GLint *dstWidth, GLint *dstHeight, GLint *dstDepth);
  56
  57 #endif /* MIPMAP_H */