X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftests.h;h=622834dcf888db6abb982abf1721a3291d8cc439;hb=b617c5d7b5283ad260a77f01e42e6170cabbc03d;hp=223396fe7f44b6a00e5cd7bca24c30215f610991;hpb=a4ec5410595ddf37bfbc0e85ad87d31a9cbf94f1;p=libs%2Fgl.git

diff --git a/source/tests.h b/source/tests.h
index 223396fe..622834dc 100644
--- a/source/tests.h
+++ b/source/tests.h
@@ -1,16 +1,16 @@
 /* $Id$
 
 This file is part of libmspgl
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
+Copyright © 2007, 2010  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"
-#include "types.h"
 
 namespace Msp {
 namespace GL {
@@ -22,12 +22,76 @@ enum
 	DEPTH_TEST   = GL_DEPTH_TEST
 };
 
-void scissor(int left, int bottom, sizei width, sizei height);
+/**
+Tests incoming fragment alpha values against a reference.  If the test fails,
+the fragment is discarded.
+*/
+class AlphaTest: public Bindable<AlphaTest>
+{
+private:
+	Predicate pred;
+	float ref;
+
+public:
+	AlphaTest();
+	AlphaTest(Predicate, float);
+
+	void bind() const;
+
+	static void unbind();
+};
 
 void alpha_func(Predicate func, float ref);
 
+
+/**
+Tests incoming fragment depth values against the depth buffer.  If the test
+fails, the fragment is discarded.
+*/
+class DepthTest: public Bindable<DepthTest>
+{
+private:
+	bool write;
+	Predicate pred;
+
+	static const DepthTest *current; 
+
+public:
+	DepthTest();
+	DepthTest(Predicate, bool = true);
+
+	void bind() const;
+
+	static const DepthTest &lequal();
+	static void unbind();
+};
+
 void depth_func(Predicate func);
 
+
+/**
+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;
+
+	static void unbind();
+};
+
+void scissor(int left, int bottom, unsigned width, unsigned height);
+
 } // namespace GL
 } // namespace Msp