-/* $Id: m_translate.h,v 1.6 2001/03/12 00:48:41 gareth Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 3.5
*
- * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
+ * 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"),
* 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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 "config.h"
-#include "mtypes.h" /* hack for GLchan */
-
+#include "main/glheader.h"
+
+/**
+ * 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,
+ const void *ptr,
GLuint stride,
GLenum type,
GLuint start,
GLuint n );
extern void _math_trans_1ui(GLuint *to,
- CONST void *ptr,
+ const void *ptr,
GLuint stride,
GLenum type,
GLuint start,
GLuint n );
extern void _math_trans_1ub(GLubyte *to,
- CONST void *ptr,
+ const void *ptr,
GLuint stride,
GLenum type,
GLuint start,
GLuint n );
extern void _math_trans_4ub(GLubyte (*to)[4],
- CONST void *ptr,
+ 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,
+ 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,
+ const void *ptr,
GLuint stride,
GLenum type,
GLuint size,
GLuint start,
GLuint n );
-extern void _math_trans_3f(GLfloat (*to)[3],
- CONST void *ptr,
+/** 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,
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