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 
getType(void) const51 	virtual ContextType					getType					(void) const { return m_context->getType();			}
getFunctions(void) const52 	virtual const  glw::Functions&		getFunctions			(void) const { return m_context->getFunctions();	}
getRenderTarget(void) const53 	virtual const tcu::RenderTarget&	getRenderTarget			(void) const { return m_renderTarget;				}
54 	virtual void						postIterate				(void);
55 
getDefaultFramebuffer(void) const56 	virtual deUint32					getDefaultFramebuffer	(void) const { return m_framebuffer; }
57 
58 private:
59 	void								createFramebuffer		(const RenderConfig& config);
60 	void								destroyFramebuffer		(void);
61 
62 	RenderContext*						m_context;
63 	deUint32							m_framebuffer;
64 	deUint32							m_colorBuffer;
65 	deUint32							m_depthStencilBuffer;
66 	tcu::RenderTarget					m_renderTarget;
67 };
68 
69 // RenderConfig to format mapping utilities, useful for platforms like iOS.
70 deUint32	chooseColorFormat			(const RenderConfig& config);
71 deUint32	chooseDepthStencilFormat	(const RenderConfig& config);
72 
73 } // glu
74 
75 #endif // _GLUFBORENDERCONTEXT_HPP
76