xbmc/rendering/dx/RenderSystemDX.h

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include "DeviceResources.h"
  12 #include "rendering/RenderSystem.h"
  13 #include "threads/Condition.h"
  14 #include "threads/CriticalSection.h"
  15 #include "threads/SystemClock.h"
  16 #include "utils/ColorUtils.h"
  17
  18 #include <wrl/client.h>
  19
  20 class ID3DResource;
  21 class CGUIShaderDX;
  22 enum AVPixelFormat;
  23 enum AVPixelFormat;
  24
  25 class CRenderSystemDX : public CRenderSystemBase, DX::IDeviceNotify
  26 {
  27 public:
  28   CRenderSystemDX();
  29   virtual ~CRenderSystemDX();
  30
  31   // CRenderBase overrides
  32   bool InitRenderSystem() override;
  33   bool DestroyRenderSystem() override;
  34   bool BeginRender() override;
  35   bool EndRender() override;
  36   void PresentRender(bool rendered, bool videoLayer) override;
  37   bool ClearBuffers(UTILS::COLOR::Color color) override;
  38   void SetViewPort(const CRect& viewPort) override;
  39   void GetViewPort(CRect& viewPort) override;
  40   void RestoreViewPort() override;
  41   CRect ClipRectToScissorRect(const CRect &rect) override;
  42   bool ScissorsCanEffectClipping() override;
  43   void SetScissors(const CRect &rect) override;
  44   void ResetScissors() override;
  45   void CaptureStateBlock() override;
  46   void ApplyStateBlock() override;
  47   void SetCameraPosition(const CPoint &camera, int screenWidth, int screenHeight, float stereoFactor = 0.f) override;
  48   void SetStereoMode(RENDER_STEREO_MODE mode, RENDER_STEREO_VIEW view) override;
  49   bool SupportsStereo(RENDER_STEREO_MODE mode) const override;
  50   void Project(float &x, float &y, float &z) override;
  51   bool SupportsNPOT(bool dxt) const override;
  52
  53   // IDeviceNotify overrides
  54   void OnDXDeviceLost() override;
  55   void OnDXDeviceRestored() override;
  56
  57   // CRenderSystemDX methods
  58   CGUIShaderDX* GetGUIShader() const { return m_pGUIShader; }
  59   bool IsFormatSupport(DXGI_FORMAT format, unsigned int usage) const;
  60   CRect GetBackBufferRect();
  61   CD3DTexture& GetBackBuffer();
  62
  63   void FlushGPU() const;
  64   void RequestDecodingTime();
  65   void ReleaseDecodingTime();
  66   void SetAlphaBlendEnable(bool enable);
  67
  68   // empty overrides
  69   bool IsExtSupported(const char* extension) const override { return false; }
  70   bool ResetRenderSystem(int width, int height) override { return true; }
  71
  72 protected:
  73   virtual void PresentRenderImpl(bool rendered) = 0;
  74
  75   bool CreateStates();
  76   bool InitGUIShader();
  77   void OnResize();
  78   void CheckInterlacedStereoView(void);
  79   void CheckDeviceCaps();
  80
  81   CCriticalSection m_resourceSection;
  82   CCriticalSection m_decoderSection;
  83
  84   // our adapter could change as we go
  85   bool m_inScene{ false }; ///< True if we're in a BeginScene()/EndScene() block
  86   bool m_BlendEnabled{ false };
  87   bool m_ScissorsEnabled{ false };
  88   D3D11_VIEWPORT m_viewPort;
  89   CRect m_scissor;
  90   CGUIShaderDX* m_pGUIShader{ nullptr };
  91   Microsoft::WRL::ComPtr<ID3D11DepthStencilState> m_depthStencilState;
  92   Microsoft::WRL::ComPtr<ID3D11BlendState> m_BlendEnableState;
  93   Microsoft::WRL::ComPtr<ID3D11BlendState> m_BlendDisableState;
  94   Microsoft::WRL::ComPtr<ID3D11RasterizerState> m_RSScissorDisable;
  95   Microsoft::WRL::ComPtr<ID3D11RasterizerState> m_RSScissorEnable;
  96   // stereo interlaced/checkerboard intermediate target
  97   CD3DTexture m_rightEyeTex;
  98
  99   XbmcThreads::EndTime<> m_decodingTimer;
 100   XbmcThreads::ConditionVariable m_decodingEvent;
 101
 102   std::shared_ptr<DX::DeviceResources> m_deviceResources;
 103 };
 104