text: /*
   *  Copyright 2019-2021 Diligent Graphics LLC
   *  Copyright 2015-2019 Egor Yusov
   *  
   *  Licensed under the Apache License, Version 2.0 (the "License");
   *  you may not use this file except in compliance with the License.
   *  You may obtain a copy of the License at
   *  
   *      http://www.apache.org/licenses/LICENSE-2.0
   *  
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License is distributed on an "AS IS" BASIS,
   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *  See the License for the specific language governing permissions and
   *  limitations under the License.
   *
   *  In no event and under no legal theory, whether in tort (including negligence), 
   *  contract, or otherwise, unless required by applicable law (such as deliberate 
   *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
   *  liable for any damages, including any direct, indirect, special, incidental, 
   *  or consequential damages of any character arising as a result of this License or 
   *  out of the use or inability to use the software (including but not limited to damages 
   *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
   *  all other commercial damages or losses), even if such Contributor has been advised 
   *  of the possibility of such damages.
   */
  
  #pragma once
  
  /// \file
  /// Declaration of Diligent::FramebufferGLImpl class
  
  #include <vector>
  
  #include "RenderDeviceGL.h"
  #include "FramebufferBase.hpp"
  #include "RenderDeviceGLImpl.hpp"
  #include "GLObjectWrapper.hpp"
  
  namespace Diligent
  {
  
  class FixedBlockMemoryAllocator;
  
  /// Framebuffer implementation in OpenGL backend.
  class FramebufferGLImpl final : public FramebufferBase<IFramebuffer, RenderDeviceGLImpl>
  {
  public:
      using TFramebufferBase = FramebufferBase<IFramebuffer, RenderDeviceGLImpl>;
  
      FramebufferGLImpl(IReferenceCounters*    pRefCounters,
                        RenderDeviceGLImpl*    pDevice,
                        GLContextState&        CtxState,
                        const FramebufferDesc& Desc);
      ~FramebufferGLImpl();
  
      struct SubpassFramebuffers
      {
          SubpassFramebuffers(GLObjectWrappers::GLFrameBufferObj&& _RenderTarget,
                              GLObjectWrappers::GLFrameBufferObj&& _Resolve) :
              RenderTarget{std::move(_RenderTarget)},
              Resolve{std::move(_Resolve)}
          {}
  
          GLObjectWrappers::GLFrameBufferObj RenderTarget;
          GLObjectWrappers::GLFrameBufferObj Resolve;
      };
  
      const SubpassFramebuffers& GetSubpassFramebuffer(Uint32 subpass)
      {
          return m_SubpassFramebuffers[subpass];
      }
  
  private:
      std::vector<SubpassFramebuffers> m_SubpassFramebuffers;
  };
  
  } // namespace Diligent
  