-/* $Id: m_translate.h,v 1.2 2000/11/17 21:01:49 brianp Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 3.1
- *
- * Copyright (C) 1999 Brian Paul All Rights Reserved.
- *
+ * 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.
+ * 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"
-
-
-typedef void (*trans_1f_func)(GLfloat *to,
- CONST void *ptr,
- GLuint stride,
- GLuint start,
- GLuint n );
-
-typedef void (*trans_1ui_func)(GLuint *to,
- CONST void *ptr,
- GLuint stride,
- GLuint start,
- GLuint n );
+#include "main/compiler.h"
+#include "main/glheader.h"
+#include "main/mtypes.h" /* hack for GLchan */
+#include "swrast/s_chan.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].
+ */
-typedef void (*trans_1ub_func)(GLubyte *to,
- CONST void *ptr,
- GLuint stride,
- GLuint start,
- GLuint n );
-typedef void (*trans_4ub_func)(GLubyte (*to)[4],
- CONST void *ptr,
+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 );
-typedef void (*trans_4f_func)(GLfloat (*to)[4],
- CONST void *ptr,
- GLuint stride,
- GLuint start,
- GLuint n );
-
-typedef void (*trans_3f_func)(GLfloat (*to)[3],
- CONST void *ptr,
- GLuint stride,
- GLuint start,
- GLuint n );
-
-
-
-
-/* Translate GL_UNSIGNED_BYTE, etc to the indexes used in the arrays
- * below.
- */
-#define TYPE_IDX(t) ((t) & 0xf)
-
-#define MAX_TYPES TYPE_IDX(GL_DOUBLE)+1 /* 0xa + 1 */
-
-/* Only useful combinations are defined, thus there is no function to
- * translate eg, ubyte->float or ubyte->ubyte, which are never used.
- */
-extern trans_1f_func gl_trans_1f_tab[MAX_TYPES];
-extern trans_1ui_func gl_trans_1ui_tab[MAX_TYPES];
-extern trans_1ub_func gl_trans_1ub_tab[MAX_TYPES];
-extern trans_3f_func gl_trans_3f_tab[MAX_TYPES];
-extern trans_4ub_func gl_trans_4ub_tab[5][MAX_TYPES];
-extern trans_4f_func gl_trans_4f_tab[5][MAX_TYPES];
-
-
-
-extern void
-_math_init_translate( void );
+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
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