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  1. /*
  2.  * Mesa 3-D graphics library
  3.  *
  4.  * Copyright (c) 2011 VMware, Inc.
  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. #ifndef FORMAT_UNPACK_H
  26. #define FORMAT_UNPACK_H
  27.  
  28. extern GLfloat
  29. _mesa_nonlinear_to_linear(GLubyte cs8);
  30.  
  31. extern void
  32. _mesa_unpack_rgba_row(gl_format format, GLuint n,
  33.                       const void *src, GLfloat dst[][4]);
  34.  
  35. extern void
  36. _mesa_unpack_ubyte_rgba_row(gl_format format, GLuint n,
  37.                             const void *src, GLubyte dst[][4]);
  38.  
  39. void
  40. _mesa_unpack_uint_rgba_row(gl_format format, GLuint n,
  41.                            const void *src, GLuint dst[][4]);
  42.  
  43. extern void
  44. _mesa_unpack_rgba_block(gl_format format,
  45.                         const void *src, GLint srcRowStride,
  46.                         GLfloat dst[][4], GLint dstRowStride,
  47.                         GLuint x, GLuint y, GLuint width, GLuint height);
  48.  
  49. extern void
  50. _mesa_unpack_float_z_row(gl_format format, GLuint n,
  51.                          const void *src, GLfloat *dst);
  52.  
  53.  
  54. void
  55. _mesa_unpack_uint_z_row(gl_format format, GLuint n,
  56.                         const void *src, GLuint *dst);
  57.  
  58. void
  59. _mesa_unpack_ubyte_stencil_row(gl_format format, GLuint n,
  60.                                const void *src, GLubyte *dst);
  61.  
  62. void
  63. _mesa_unpack_uint_24_8_depth_stencil_row(gl_format format, GLuint n,
  64.                                          const void *src, GLuint *dst);
  65.  
  66.  
  67. #endif /* FORMAT_UNPACK_H */
  68.