X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcore%2Fclipping.h;h=d74763ab7c697f9cade4e94ab4b15bdb518e0a10;hp=319a8d98ff765a9cfb4e1c7b3fd57ba825b60b75;hb=a275d25eccad43716c5dcf91f8bc4af2a53c0445;hpb=a77629d781eeb789870470c5ebdbd4b691e1b138

diff --git a/source/core/clipping.h b/source/core/clipping.h
index 319a8d98..d74763ab 100644
--- a/source/core/clipping.h
+++ b/source/core/clipping.h
@@ -4,18 +4,27 @@
 #include <vector>
 #include <msp/core/attributes.h>
 #include "bindable.h"
+#include "programdata.h"
 
 namespace Msp {
 namespace GL {
 
 class ClipPlane;
 class Matrix;
-class ProgramData;
 
 class Clipping: public Bindable<Clipping>
 {
 private:
-	std::vector<const ClipPlane *> planes;
+	struct AttachedPlane
+	{
+		const ClipPlane *plane;
+		mutable unsigned generation;
+
+		AttachedPlane(const ClipPlane *p): plane(p), generation(0) { }
+	};
+
+	std::vector<AttachedPlane> planes;
+	mutable ProgramData shdata;
 
 public:
 	static unsigned get_n_attach_points();
@@ -26,7 +35,7 @@ public:
 	DEPRECATED void attach(unsigned, const ClipPlane &p) { attach(p); }
 	DEPRECATED void detach(unsigned);
 
-	void update_shader_data(ProgramData &, const Matrix &) const;
+	const ProgramData &get_shader_data() const;
 
 	void bind() const;