-#include "types.h"
-
-
-/*
- * Return the address of the Z-buffer value for window coordinate (x,y):
- */
-#define Z_ADDRESS( CTX, X, Y ) \
- ((CTX)->DrawBuffer->Depth + (CTX)->DrawBuffer->Width * (Y) + (X))
-
-
-
-
-extern GLuint
-gl_depth_test_span_generic( GLcontext* ctx, GLuint n, GLint x, GLint y,
- const GLdepth z[], GLubyte mask[] );
-
-extern GLuint
-gl_depth_test_span_less( GLcontext* ctx, GLuint n, GLint x, GLint y,
- const GLdepth z[], GLubyte mask[] );
-
-extern GLuint
-gl_depth_test_span_greater( GLcontext* ctx, GLuint n, GLint x, GLint y,
- const GLdepth z[], GLubyte mask[] );
-
-