1 files changed, 64 insertions, 0 deletions
diff --git a/xc/extras/Mesa/src/swrast/s_fog.h b/xc/extras/Mesa/src/swrast/s_fog.h
new file mode 100644
index 000000000..cdd36efab
--- /dev/null
+++ b/xc/extras/Mesa/src/swrast/s_fog.h
@@ -0,0 +1,64 @@
+/* $Id: s_fog.h,v 1.2 2002/02/14 01:59:40 dawes Exp $ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.5
+ *
+ * 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
+ * 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 S_FOG_H
+#define S_FOG_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 GLfloat fog[],
+                       GLchan rgba[][4] );
+
+extern void
+_mesa_fog_ci_pixels( const GLcontext *ctx,
+                     GLuint n, const GLfloat fog[], GLuint indx[] );
+
+extern void
+_mesa_win_fog_coords_from_z( const GLcontext *ctx,
+			     GLuint n,
+			     const GLdepth z[],
+			     GLfloat fogcoord[] );
+
+extern void
+_mesa_depth_fog_rgba_pixels( const GLcontext *ctx,
+			     GLuint n, const GLdepth z[], GLchan rgba[][4] );
+
+extern void
+_mesa_depth_fog_ci_pixels( const GLcontext *ctx,
+			   GLuint n, const GLdepth z[], GLuint index[] );
+
+
+#endif