X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Ftests.h;h=f7d729504a37f34b477a635675197f4166c29791;hp=b906c0cec2afada2ba5ebb36adcf7ef53ede89a8;hb=8bc776f177c7cf9d0c6fd9590273f086d38c23ca;hpb=ceae2a27dfc58310c5bab7e3aa3fedf0fa9a1f49

diff --git a/source/tests.h b/source/tests.h
index b906c0ce..f7d72950 100644
--- a/source/tests.h
+++ b/source/tests.h
@@ -1,31 +1,54 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_GL_TESTS_H_
 #define MSP_GL_TESTS_H_
 
+#include "bindable.h"
 #include "gl.h"
 #include "predicate.h"
 
 namespace Msp {
 namespace GL {
 
-enum
+/**
+Tests incoming fragment depth values against the depth buffer.  If the test
+fails, the fragment is discarded.
+*/
+class DepthTest: public Bindable<DepthTest>
 {
-	SCISSOR_TEST = GL_SCISSOR_TEST,
-	ALPHA_TEST   = GL_ALPHA_TEST,
-	DEPTH_TEST   = GL_DEPTH_TEST
+private:
+	bool write;
+	Predicate pred;
+
+public:
+	DepthTest();
+	DepthTest(Predicate, bool = true);
+
+	void bind() const;
+
+	static const DepthTest &lequal();
+	static void unbind();
 };
 
-void scissor(int left, int bottom, unsigned width, unsigned height);
 
-void alpha_func(Predicate func, float ref);
+/**
+Tests fragment coordinates against a rectangle.  Any fragments outside the
+rectangle are discarded.
+*/
+class ScissorTest: public Bindable<ScissorTest>
+{
+private:
+	int left;
+	int bottom;
+	unsigned width;
+	unsigned height;
+
+public:
+	ScissorTest();
+	ScissorTest(int, int, unsigned, unsigned);
+
+	void bind() const;
 
-void depth_func(Predicate func);
+	static void unbind();
+};
 
 } // namespace GL
 } // namespace Msp