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      1 #ifndef _GLUFBORENDERCONTEXT_HPP
      2 #define _GLUFBORENDERCONTEXT_HPP
      3 /*-------------------------------------------------------------------------
      4  * drawElements Quality Program OpenGL ES Utilities
      5  * ------------------------------------------------
      6  *
      7  * Copyright 2014 The Android Open Source Project
      8  *
      9  * Licensed under the Apache License, Version 2.0 (the "License");
     10  * you may not use this file except in compliance with the License.
     11  * You may obtain a copy of the License at
     12  *
     13  *      http://www.apache.org/licenses/LICENSE-2.0
     14  *
     15  * Unless required by applicable law or agreed to in writing, software
     16  * distributed under the License is distributed on an "AS IS" BASIS,
     17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     18  * See the License for the specific language governing permissions and
     19  * limitations under the License.
     20  *
     21  *//*!
     22  * \file
     23  * \brief OpenGL ES context wrapper that uses FBO as default framebuffer.
     24  *//*--------------------------------------------------------------------*/
     25 
     26 #include "tcuDefs.hpp"
     27 #include "gluRenderContext.hpp"
     28 #include "tcuRenderTarget.hpp"
     29 
     30 namespace tcu
     31 {
     32 class CommandLine;
     33 }
     34 
     35 namespace glu
     36 {
     37 
     38 class ContextFactory;
     39 struct RenderConfig;
     40 
     41 /*--------------------------------------------------------------------*//*!
     42  * \brief OpenGL ES context wrapper that uses FBO as default framebuffer.
     43  *//*--------------------------------------------------------------------*/
     44 class FboRenderContext : public RenderContext
     45 {
     46 public:
     47 										FboRenderContext		(RenderContext* context, const RenderConfig& config);
     48 										FboRenderContext		(const ContextFactory& factory, const RenderConfig& config, const tcu::CommandLine& cmdLine);
     49 	virtual								~FboRenderContext		(void);
     50 
     51 	virtual ContextType					getType					(void) const { return m_context->getType();			}
     52 	virtual const  glw::Functions&		getFunctions			(void) const { return m_context->getFunctions();	}
     53 	virtual const tcu::RenderTarget&	getRenderTarget			(void) const { return m_renderTarget;				}
     54 	virtual void						postIterate				(void);
     55 
     56 	virtual deUint32					getDefaultFramebuffer	(void) const { return m_framebuffer; }
     57 	virtual glw::GenericFuncType		getProcAddress			(const char* name) const { return m_context->getProcAddress(name); }
     58 
     59 	virtual void						makeCurrent				(void);
     60 
     61 private:
     62 	void								createFramebuffer		(const RenderConfig& config);
     63 	void								destroyFramebuffer		(void);
     64 
     65 	RenderContext*						m_context;
     66 	deUint32							m_framebuffer;
     67 	deUint32							m_colorBuffer;
     68 	deUint32							m_depthStencilBuffer;
     69 	tcu::RenderTarget					m_renderTarget;
     70 };
     71 
     72 // RenderConfig to format mapping utilities, useful for platforms like iOS.
     73 deUint32	chooseColorFormat			(const RenderConfig& config);
     74 deUint32	chooseDepthStencilFormat	(const RenderConfig& config);
     75 
     76 } // glu
     77 
     78 #endif // _GLUFBORENDERCONTEXT_HPP
     79