added Window-isms previously in gl.h

[mesa.git] / src / mesa / main / depth.h

diff --git a/src/mesa/main/depth.h b/src/mesa/main/depth.h
index 39064a653bc864717486ec9a103e014f13dc5f87..ef176005d4e9225f02e109e88b069ced9bf744b4 100644 (file)
--- a/src/mesa/main/depth.h
+++ b/src/mesa/main/depth.h
@@ -1,10 +1,10 @@
-/* $Id: depth.h,v 1.6 2000/02/02 22:16:04 brianp Exp $ */
+/* $Id: depth.h,v 1.8 2000/04/11 20:42:22 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
  * Version:  3.3
  * 
- * Copyright (C) 1999  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2000  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"),
@@ -49,14 +49,12 @@ _mesa_DepthMask( GLboolean flag );
 
 
 
-
 /*
- * Return the address of the Z-buffer value for window coordinate (x,y):
+ * Internal functions
  */
-#define Z_ADDRESS( CTX, X, Y )  \
-            ((CTX)->DrawBuffer->Depth + (CTX)->DrawBuffer->Width * (Y) + (X))
-
 
+extern GLvoid *
+_mesa_zbuffer_address(GLcontext *ctx, GLint x, GLint y);
 
 
 extern GLuint
@@ -70,7 +68,12 @@ _mesa_depth_test_pixels( GLcontext *ctx,
 
 
 extern void
-_mesa_read_depth_span_float( GLcontext *ctx, GLuint n, GLint x, GLint y,
+_mesa_read_depth_span( GLcontext *ctx,
+                       GLint n, GLint x, GLint y, GLdepth depth[] );
+
+
+extern void
+_mesa_read_depth_span_float( GLcontext *ctx, GLint n, GLint x, GLint y,
                              GLfloat depth[] );