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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) 2009-2010  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 PIXELTRANSFER_H
  28. #define PIXELTRANSFER_H
  29.  
  30.  
  31. #include "mtypes.h"
  32.  
  33.  
  34. extern void
  35. _mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4],
  36.                           GLfloat rScale, GLfloat gScale,
  37.                           GLfloat bScale, GLfloat aScale,
  38.                           GLfloat rBias, GLfloat gBias,
  39.                           GLfloat bBias, GLfloat aBias);
  40.  
  41. extern void
  42. _mesa_map_rgba(const struct gl_context *ctx, GLuint n, GLfloat rgba[][4]);
  43.  
  44. extern void
  45. _mesa_map_ci_to_rgba(const struct gl_context *ctx,
  46.                      GLuint n, const GLuint index[], GLfloat rgba[][4]);
  47.  
  48.  
  49. extern void
  50. _mesa_scale_and_bias_depth(const struct gl_context *ctx, GLuint n,
  51.                            GLfloat depthValues[]);
  52.  
  53. extern void
  54. _mesa_scale_and_bias_depth_uint(const struct gl_context *ctx, GLuint n,
  55.                                 GLuint depthValues[]);
  56.  
  57. extern void
  58. _mesa_apply_rgba_transfer_ops(struct gl_context *ctx, GLbitfield transferOps,
  59.                               GLuint n, GLfloat rgba[][4]);
  60.  
  61. extern void
  62. _mesa_shift_and_offset_ci(const struct gl_context *ctx,
  63.                           GLuint n, GLuint indexes[]);
  64.  
  65. extern void
  66. _mesa_apply_ci_transfer_ops(const struct gl_context *ctx,
  67.                             GLbitfield transferOps,
  68.                             GLuint n, GLuint indexes[]);
  69.  
  70.  
  71. extern void
  72. _mesa_apply_stencil_transfer_ops(const struct gl_context *ctx, GLuint n,
  73.                                  GLubyte stencil[]);
  74.  
  75.  
  76. #endif
  77.