Initial Commit

common/idmobilelib/ios/RenderContext.h

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+/*
+ 
+ Copyright (C) 2009-2011 id Software LLC, a ZeniMax Media company.
+ 
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+ 
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ 
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ 
+ */
+
+#ifndef IDMOBILELIB_RENDER_CONTEXT_H
+#define IDMOBILELIB_RENDER_CONTEXT_H
+
+#if defined(__OBJC__) && defined(__cplusplus)
+
+#import <QuartzCore/QuartzCore.h>
+#include <OpenGLES/ES1/gl.h>
+#include <OpenGLES/ES1/glext.h>
+#import <OpenGLES/EAGL.h>
+#import <OpenGLES/EAGLDrawable.h>
+
+
+class idRenderContext {
+public:
+    
+                    idRenderContext();
+    virtual         ~idRenderContext();
+    
+    void            Initialize( EAGLRenderingAPI apiVersion, EAGLSharegroup * sharegroup );
+    void            InitFrameBuffer( CAEAGLLayer  * layer );
+    
+    void            Begin();
+    void            End();
+    
+    void            SetActiveContext();
+    void            SwapBuffers();
+    
+    void            SetContextWidth( int width );
+    void            SetContextHeight( int height );
+    
+    int              GetContextWidth() const { return mWidth; }
+    int              GetContextHeight() const { return mHeight; }
+    EAGLSharegroup * GetShareGroup() { return [mEAGLContext sharegroup]; }
+    
+protected:
+    
+    GLuint          mViewRenderbuffer; 
+	GLuint          mViewFramebuffer;
+	GLuint          mDepthRenderbuffer;	
+    
+    EAGLContext     *mEAGLContext;
+    
+    int             mWidth;
+    int             mHeight;
+    
+};
+
+#endif 
+    
+#endif // _RENDER_CONTEXT_H