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 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 PIXELTRANSFER_H
  27 #define PIXELTRANSFER_H
  28
  29
  30 #include "mtypes.h"
  31
  32
  33 extern void
  34 _mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4],
  35                           GLfloat rScale, GLfloat gScale,
  36                           GLfloat bScale, GLfloat aScale,
  37                           GLfloat rBias, GLfloat gBias,
  38                           GLfloat bBias, GLfloat aBias);
  39
  40 extern void
  41 _mesa_map_rgba(const struct gl_context *ctx, GLuint n, GLfloat rgba[][4]);
  42
  43 extern void
  44 _mesa_lookup_rgba_float(const struct gl_color_table *table,
  45                         GLuint n, GLfloat rgba[][4]);
  46
  47 extern void
  48 _mesa_lookup_rgba_ubyte(const struct gl_color_table *table,
  49                         GLuint n, GLubyte rgba[][4]);
  50
  51
  52 extern void
  53 _mesa_map_ci_to_rgba(const struct gl_context *ctx,
  54                      GLuint n, const GLuint index[], GLfloat rgba[][4]);
  55
  56
  57 extern void
  58 _mesa_map_ci8_to_rgba8(const struct gl_context *ctx,
  59                        GLuint n, const GLubyte index[],
  60                        GLubyte rgba[][4]);
  61
  62
  63 extern void
  64 _mesa_scale_and_bias_depth(const struct gl_context *ctx, GLuint n,
  65                            GLfloat depthValues[]);
  66
  67 extern void
  68 _mesa_scale_and_bias_depth_uint(const struct gl_context *ctx, GLuint n,
  69                                 GLuint depthValues[]);
  70
  71 extern void
  72 _mesa_apply_rgba_transfer_ops(struct gl_context *ctx, GLbitfield transferOps,
  73                               GLuint n, GLfloat rgba[][4]);
  74
  75 extern void
  76 _mesa_shift_and_offset_ci(const struct gl_context *ctx,
  77                           GLuint n, GLuint indexes[]);
  78
  79 extern void
  80 _mesa_apply_ci_transfer_ops(const struct gl_context *ctx,
  81                             GLbitfield transferOps,
  82                             GLuint n, GLuint indexes[]);
  83
  84
  85 extern void
  86 _mesa_apply_stencil_transfer_ops(const struct gl_context *ctx, GLuint n,
  87                                  GLstencil stencil[]);
  88
  89
  90 #endif