Merging r5975 through r6036 from trunk to ogl-es branch.

GLES drivers adapted, but only did make compile-tests.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CDepthBuffer.h

@@ -0,0 +1,94 @@
+// Copyright (C) 2002-2012 Nikolaus Gebhardt / Thomas Alten
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __C_Z_BUFFER_H_INCLUDED__
+#define __C_Z_BUFFER_H_INCLUDED__
+
+#include "IDepthBuffer.h"
+
+namespace irr
+{
+namespace video
+{
+
+	class CDepthBuffer : public IDepthBuffer
+	{
+	public:
+
+		//! constructor
+		CDepthBuffer(const core::dimension2d<u32>& size);
+
+		//! destructor
+		virtual ~CDepthBuffer();
+
+		//! clears the zbuffer
+		virtual void clear() _IRR_OVERRIDE_;
+
+		//! sets the new size of the zbuffer
+		virtual void setSize(const core::dimension2d<u32>& size) _IRR_OVERRIDE_;
+
+		//! returns the size of the zbuffer
+		virtual const core::dimension2d<u32>& getSize() const _IRR_OVERRIDE_;
+
+		//! locks the zbuffer
+		virtual void* lock() _IRR_OVERRIDE_ { return (void*) Buffer; }
+
+		//! unlocks the zbuffer
+		virtual void unlock() _IRR_OVERRIDE_ {}
+
+		//! returns pitch of depthbuffer (in bytes)
+		virtual u32 getPitch() const _IRR_OVERRIDE_ { return Pitch; }
+
+
+	private:
+
+		u8* Buffer;
+		core::dimension2d<u32> Size;
+		u32 TotalSize;
+		u32 Pitch;
+	};
+
+
+	class CStencilBuffer : public IStencilBuffer
+	{
+	public:
+
+		//! constructor
+		CStencilBuffer(const core::dimension2d<u32>& size);
+
+		//! destructor
+		virtual ~CStencilBuffer();
+
+		//! clears the zbuffer
+		virtual void clear() _IRR_OVERRIDE_;
+
+		//! sets the new size of the zbuffer
+		virtual void setSize(const core::dimension2d<u32>& size) _IRR_OVERRIDE_;
+
+		//! returns the size of the zbuffer
+		virtual const core::dimension2d<u32>& getSize() const _IRR_OVERRIDE_;
+
+		//! locks the zbuffer
+		virtual void* lock() _IRR_OVERRIDE_ { return (void*) Buffer; }
+
+		//! unlocks the zbuffer
+		virtual void unlock() _IRR_OVERRIDE_ {}
+
+		//! returns pitch of depthbuffer (in bytes)
+		virtual u32 getPitch() const _IRR_OVERRIDE_ { return Pitch; }
+
+
+	private:
+
+		u8* Buffer;
+		core::dimension2d<u32> Size;
+		u32 TotalSize;
+		u32 Pitch;
+	};
+
+} // end namespace video
+} // end namespace irr
+
+#endif
+