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  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 OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21.  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23.  * OTHER DEALINGS IN THE SOFTWARE.
  24.  */
  25.  
  26.  
  27. #ifndef PBO_H
  28. #define PBO_H
  29.  
  30.  
  31. #include "mtypes.h"
  32.  
  33.  
  34. extern GLboolean
  35. _mesa_validate_pbo_access(GLuint dimensions,
  36.                           const struct gl_pixelstore_attrib *pack,
  37.                           GLsizei width, GLsizei height, GLsizei depth,
  38.                           GLenum format, GLenum type, GLsizei clientMemSize,
  39.                           const GLvoid *ptr);
  40.  
  41. extern const GLvoid *
  42. _mesa_map_pbo_source(struct gl_context *ctx,
  43.                      const struct gl_pixelstore_attrib *unpack,
  44.                      const GLvoid *src);
  45.  
  46. extern const GLvoid *
  47. _mesa_map_validate_pbo_source(struct gl_context *ctx,
  48.                               GLuint dimensions,
  49.                               const struct gl_pixelstore_attrib *unpack,
  50.                               GLsizei width, GLsizei height, GLsizei depth,
  51.                               GLenum format, GLenum type, GLsizei clientMemSize,
  52.                               const GLvoid *ptr, const char *where);
  53.  
  54. extern void
  55. _mesa_unmap_pbo_source(struct gl_context *ctx,
  56.                        const struct gl_pixelstore_attrib *unpack);
  57.  
  58. extern void *
  59. _mesa_map_pbo_dest(struct gl_context *ctx,
  60.                    const struct gl_pixelstore_attrib *pack,
  61.                    GLvoid *dest);
  62.  
  63. extern GLvoid *
  64. _mesa_map_validate_pbo_dest(struct gl_context *ctx,
  65.                             GLuint dimensions,
  66.                             const struct gl_pixelstore_attrib *unpack,
  67.                             GLsizei width, GLsizei height, GLsizei depth,
  68.                             GLenum format, GLenum type, GLsizei clientMemSize,
  69.                             GLvoid *ptr, const char *where);
  70.  
  71. extern void
  72. _mesa_unmap_pbo_dest(struct gl_context *ctx,
  73.                      const struct gl_pixelstore_attrib *pack);
  74.  
  75.  
  76. extern const GLvoid *
  77. _mesa_validate_pbo_teximage(struct gl_context *ctx, GLuint dimensions,
  78.                             GLsizei width, GLsizei height, GLsizei depth,
  79.                             GLenum format, GLenum type, const GLvoid *pixels,
  80.                             const struct gl_pixelstore_attrib *unpack,
  81.                             const char *funcName);
  82.  
  83. extern const GLvoid *
  84. _mesa_validate_pbo_compressed_teximage(struct gl_context *ctx,
  85.                                     GLuint dimensions, GLsizei imageSize,
  86.                                     const GLvoid *pixels,
  87.                                     const struct gl_pixelstore_attrib *packing,
  88.                                     const char *funcName);
  89.  
  90. extern void
  91. _mesa_unmap_teximage_pbo(struct gl_context *ctx,
  92.                          const struct gl_pixelstore_attrib *unpack);
  93.  
  94.  
  95. extern bool
  96. _mesa_validate_pbo_source(struct gl_context *ctx, GLuint dimensions,
  97.                           const struct gl_pixelstore_attrib *unpack,
  98.                           GLsizei width, GLsizei height, GLsizei depth,
  99.                           GLenum format, GLenum type,
  100.                           GLsizei clientMemSize,
  101.                           const GLvoid *ptr, const char *where);
  102.  
  103. extern bool
  104. _mesa_validate_pbo_source_compressed(struct gl_context *ctx, GLuint dimensions,
  105.                                      const struct gl_pixelstore_attrib *unpack,
  106.                                      GLsizei imageSize, const GLvoid *ptr,
  107.                                      const char *where);
  108.  
  109. #endif
  110.