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      1 #ifndef _GLUDUMMYRENDERCONTEXT_HPP
      2 #define _GLUDUMMYRENDERCONTEXT_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 A RenderContext representing absence of a real render context.
     24  *
     25  * \todo Remove this when the need for a render context in test case
     26  *		 constructors no longer exists.
     27  *//*--------------------------------------------------------------------*/
     28 
     29 #include "tcuDefs.hpp"
     30 #include "gluRenderContext.hpp"
     31 #include "tcuRenderTarget.hpp"
     32 #include "glwFunctions.hpp"
     33 
     34 namespace glu
     35 {
     36 
     37 /*--------------------------------------------------------------------*//*!
     38  * \brief RenderContext that can be used when no render context is present.
     39  *
     40  * Some patterns (e.g. a test class inheriting from glu::CallLogWrapper)
     41  * currently depend on having access to the glw::Functions already in test
     42  * case constructor; in such situations there may not be a proper render
     43  * context available (like in test case list dumping mode). This is a
     44  * simple workaround for that: a dummy render context with a glw::Functions
     45  * containing just null pointers.
     46  *//*--------------------------------------------------------------------*/
     47 class DummyRenderContext : public RenderContext
     48 {
     49 public:
     50 										DummyRenderContext	(void) {}
     51 
     52 	virtual ContextType					getType				(void) const { return ContextType();			}
     53 	virtual const glw::Functions&		getFunctions		(void) const { return m_functions;				}
     54 	virtual const tcu::RenderTarget&	getRenderTarget		(void) const { return m_renderTarget;			}
     55 	virtual void						postIterate			(void) {}
     56 
     57 private:
     58 	tcu::RenderTarget	m_renderTarget;
     59 	glw::Functions		m_functions;
     60 };
     61 
     62 } // glu
     63 
     64 #endif // _GLUDUMMYRENDERCONTEXT_HPP
     65