-/* $Id: s_fog.h,v 1.1 2000/10/31 18:00:04 keithw Exp $ */
+/* $Id: s_fog.h,v 1.5 2001/06/18 23:55:18 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
- *
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
- *
+ *
+ * Copyright (C) 1999-2001 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
#define S_FOG_H
-#include "types.h"
+#include "mtypes.h"
#include "swrast.h"
+extern GLfloat
+_mesa_z_to_fogfactor(GLcontext *ctx, GLfloat z);
extern void
_mesa_fog_rgba_pixels( const GLcontext *ctx,
- GLuint n, const GLfixed fog[],
+ GLuint n, const GLfloat fog[],
GLchan rgba[][4] );
extern void
_mesa_fog_ci_pixels( const GLcontext *ctx,
- GLuint n, const GLfixed fog[], GLuint indx[] );
+ GLuint n, const GLfloat fog[], GLuint indx[] );
extern void
_mesa_win_fog_coords_from_z( const GLcontext *ctx,
- GLuint n,
- const GLdepth z[],
- GLfixed fogcoord[] );
+ GLuint n,
+ const GLdepth z[],
+ GLfloat fogcoord[] );
extern void
_mesa_depth_fog_rgba_pixels( const GLcontext *ctx,
GLuint n, const GLdepth z[], GLuint index[] );
-
#endif