src/mesa/main/pbo.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
   5  * Copyright (C) 2009-2011  VMware, Inc.  All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26 #ifndef PBO_H
  27 #define PBO_H
  28
  29
  30 #include "mtypes.h"
  31
  32
  33 extern GLboolean
  34 _mesa_validate_pbo_access(GLuint dimensions,
  35                           const struct gl_pixelstore_attrib *pack,
  36                           GLsizei width, GLsizei height, GLsizei depth,
  37                           GLenum format, GLenum type, const GLvoid *ptr);
  38
  39 extern const GLvoid *
  40 _mesa_map_pbo_source(struct gl_context *ctx,
  41                      const struct gl_pixelstore_attrib *unpack,
  42                      const GLvoid *src);
  43
  44 extern const GLvoid *
  45 _mesa_map_validate_pbo_source(struct gl_context *ctx,
  46                               GLuint dimensions,
  47                               const struct gl_pixelstore_attrib *unpack,
  48                               GLsizei width, GLsizei height, GLsizei depth,
  49                               GLenum format, GLenum type, const GLvoid *ptr,
  50                               const char *where);
  51
  52 extern void
  53 _mesa_unmap_pbo_source(struct gl_context *ctx,
  54                        const struct gl_pixelstore_attrib *unpack);
  55
  56 extern void *
  57 _mesa_map_pbo_dest(struct gl_context *ctx,
  58                    const struct gl_pixelstore_attrib *pack,
  59                    GLvoid *dest);
  60
  61 extern GLvoid *
  62 _mesa_map_validate_pbo_dest(struct gl_context *ctx,
  63                             GLuint dimensions,
  64                             const struct gl_pixelstore_attrib *unpack,
  65                             GLsizei width, GLsizei height, GLsizei depth,
  66                             GLenum format, GLenum type, GLvoid *ptr,
  67                             const char *where);
  68
  69 extern void
  70 _mesa_unmap_pbo_dest(struct gl_context *ctx,
  71                      const struct gl_pixelstore_attrib *pack);
  72
  73
  74 extern const GLvoid *
  75 _mesa_validate_pbo_teximage(struct gl_context *ctx, GLuint dimensions,
  76                             GLsizei width, GLsizei height, GLsizei depth,
  77                             GLenum format, GLenum type, const GLvoid *pixels,
  78                             const struct gl_pixelstore_attrib *unpack,
  79                             const char *funcName);
  80
  81 extern const GLvoid *
  82 _mesa_validate_pbo_compressed_teximage(struct gl_context *ctx,
  83                                     GLsizei imageSize, const GLvoid *pixels,
  84                                     const struct gl_pixelstore_attrib *packing,
  85                                     const char *funcName);
  86
  87 extern void
  88 _mesa_unmap_teximage_pbo(struct gl_context *ctx,
  89                          const struct gl_pixelstore_attrib *unpack);
  90
  91
  92 #endif