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/CEAGLManager.h

@@ -0,0 +1,87 @@
+// Copyright (C) 2015 Patryk Nadrowski
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in Irrlicht.h
+
+#ifndef __C_EAGL_MANAGER_H_INCLUDED__
+#define __C_EAGL_MANAGER_H_INCLUDED__
+
+#include "IrrCompileConfig.h"
+
+#ifdef _IRR_COMPILE_WITH_EAGL_MANAGER_
+
+#include "SIrrCreationParameters.h"
+#include "SExposedVideoData.h"
+#include "IContextManager.h"
+
+namespace irr
+{
+namespace video
+{
+	// EAGL manager.
+	class CEAGLManager : public IContextManager
+	{
+	public:
+		//! Constructor.
+		CEAGLManager();
+
+		//! Destructor.
+		virtual ~CEAGLManager();
+
+		// Initialize EAGL.
+		/* This method checks if a view has CAEAGLLayer and grabs it if it does, anyway surface and context
+		aren't create. */
+		bool initialize(const SIrrlichtCreationParameters& params, const SExposedVideoData& data);
+
+		// Terminate EAGL.
+		/* Terminate EAGL context. This method break both existed surface and context. */
+		void terminate();
+
+		// Create EAGL surface.
+		/* This method configure CAEAGLLayer. */
+		bool generateSurface();
+
+		// Destroy EAGL surface.
+		/* This method reset CAEAGLLayer states. */
+		void destroySurface();
+
+		// Create EAGL context.
+		/* This method create and activate EAGL context. */
+		bool generateContext();
+
+		// Destroy EAGL context.
+		/* This method destroy EAGL context. */
+		void destroyContext();
+
+		const SExposedVideoData& getContext() const;
+
+		bool activateContext(const SExposedVideoData& videoData);
+
+		// Swap buffers.
+		bool swapBuffers();
+
+	private:
+		SIrrlichtCreationParameters Params;
+		SExposedVideoData Data;
+		
+		bool Configured;
+        
+        void* DataStorage;
+		
+		struct SFrameBuffer
+		{
+			SFrameBuffer() : BufferID(0), ColorBuffer(0), DepthBuffer(0)
+			{
+			}
+			
+			u32 BufferID;
+			u32 ColorBuffer;
+			u32 DepthBuffer;
+		};
+		
+		SFrameBuffer FrameBuffer;
+	};
+}
+}
+
+#endif
+#endif