X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Ftests.h;fp=source%2Fcore%2Ftests.h;h=f7d729504a37f34b477a635675197f4166c29791;hb=7aaec9a70b8d7733429bec043f8e33e02956f266;hp=0000000000000000000000000000000000000000;hpb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;p=libs%2Fgl.git

diff --git a/source/core/tests.h b/source/core/tests.h
new file mode 100644
index 00000000..f7d72950
--- /dev/null
+++ b/source/core/tests.h
@@ -0,0 +1,56 @@
+#ifndef MSP_GL_TESTS_H_
+#define MSP_GL_TESTS_H_
+
+#include "bindable.h"
+#include "gl.h"
+#include "predicate.h"
+
+namespace Msp {
+namespace GL {
+
+/**
+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;
+
+public:
+	DepthTest();
+	DepthTest(Predicate, bool = true);
+
+	void bind() const;
+
+	static const DepthTest &lequal();
+	static void unbind();
+};
+
+
+/**
+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();
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif