src/mesa/main/pixeltransfer.h

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