framework/opengl/gluFboRenderContext.hpp

   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