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+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.1
+ *
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef _M_TRANSLATE_H_
+#define _M_TRANSLATE_H_
+
+#include "main/config.h"
+#include "main/mtypes.h" /* hack for GLchan */
+
+
+/**
+ * Array translation.
+ * For example, convert array of GLushort[3] to GLfloat[4].
+ * The function name specifies the destination format/size.
+ * \param to the destination address
+ * \param ptr the source address
+ * \param stride the source stride (in bytes) between elements
+ * \param type the source datatype (GL_SHORT, GL_UNSIGNED_INT, etc)
+ * \param size number of values per element in source array (1,2,3 or 4)
+ * \param start first element in source array to convert
+ * \param n number of elements to convert
+ *
+ * Note: "element" means a tuple like GLfloat[3] or GLubyte[4].
+ */
+
+
+extern void _math_trans_1f(GLfloat *to,
+ CONST void *ptr,
+ GLuint stride,
+ GLenum type,
+ GLuint start,
+ GLuint n );
+
+extern void _math_trans_1ui(GLuint *to,
+ CONST void *ptr,
+ GLuint stride,
+ GLenum type,
+ GLuint start,
+ GLuint n );
+
+extern void _math_trans_1ub(GLubyte *to,
+ CONST void *ptr,
+ GLuint stride,
+ GLenum type,
+ GLuint start,
+ GLuint n );
+
+extern void _math_trans_4ub(GLubyte (*to)[4],
+ CONST void *ptr,
+ GLuint stride,
+ GLenum type,
+ GLuint size,
+ GLuint start,
+ GLuint n );
+
+extern void _math_trans_4chan( GLchan (*to)[4],
+ CONST void *ptr,
+ GLuint stride,
+ GLenum type,
+ GLuint size,
+ GLuint start,
+ GLuint n );
+
+extern void _math_trans_4us(GLushort (*to)[4],
+ CONST void *ptr,
+ GLuint stride,
+ GLenum type,
+ GLuint size,
+ GLuint start,
+ GLuint n );
+
+/** Convert to floats w/out normalization (i.e. just cast) */
+extern void _math_trans_4f(GLfloat (*to)[4],
+ CONST void *ptr,
+ GLuint stride,
+ GLenum type,
+ GLuint size,
+ GLuint start,
+ GLuint n );
+
+/** Convert to normalized floats in [0,1] or [-1, 1] */
+extern void _math_trans_4fn(GLfloat (*to)[4],
+ CONST void *ptr,
+ GLuint stride,
+ GLenum type,
+ GLuint size,
+ GLuint start,
+ GLuint n );
+
+extern void _math_trans_3fn(GLfloat (*to)[3],
+ CONST void *ptr,
+ GLuint stride,
+ GLenum type,
+ GLuint start,
+ GLuint n );
+
+extern void _math_init_translate( void );
+
+
+#endif