SwapChainD3D11.h

#pragma once
 
#include "../ISwapChain.h"
#include "../Base/ResourcePointer.h"
 
#include <d3d11.h>
#include <dxgi1_6.h>
 
namespace Cogs {
  struct GraphicsDeviceD3D11;
 
  class SwapChainD3D11 : public ISwapChain {
  public:
    SwapChainD3D11(GraphicsDeviceD3D11* device);
    ~SwapChainD3D11();
 
    bool initialize(WindowData* windowData);
 
    virtual void beginFrame() override;
    virtual void endFrame(uint32_t syncInterval = 0, uint32_t presentFlags = PresentFlags::None) override;
 
    virtual void setSize(int newWidth, int newHeight, bool forceIt = false) override;
    virtual void setFullscreen(bool enabled) override;
 
    virtual bool isFullscreen() override;
 
    virtual int getWidth() const override    { return width; }
    virtual int getHeight() const override   { return height; }
    virtual int getSamples() const override  { return numSamples; }
 
    virtual const RenderTargetHandle& getRenderTarget() const override { return renderTarget; }
    virtual const DepthStencilHandle& getDepthStencil() const override { return depthStencil; }
    ResourcePointer<ID3D11Texture2D>& getSharedBackBuffer() { return sharedBackBuffer; }
 
    bool recreateOffscreenBuffers();
 
  private:
    GraphicsDeviceD3D11* graphicsDevice = nullptr;
    TextureFormat colorFormat = TextureFormat::R8G8B8A8_UNORM_SRGB;
    TextureFormat depthFormat = TextureFormat::D32_FLOAT;
    int numSamples = 1;
    int width = 1280;
    int height = 720;
    bool inFrame = false;
    bool needResize = false;
    ResourcePointer<IDXGISwapChain> swapChain;
    ResourcePointer<ID3D11Texture2D> backBuffer;
    ResourcePointer<ID3D11Texture2D> sharedBackBuffer;
    RenderTargetHandle renderTarget;
    DepthStencilHandle depthStencil;
 
    void resize();
    bool createRenderTargetView();
    bool createDepthStencilView();
  };
}