kc3-lang/angle/src/libANGLE/renderer/gl/wgl/DisplayWGL.h

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  Commit

• Author : Jonah Ryan-Davis
  Date : 2021-02-04 15:14:10
  Hash : e174c358
  Message : GL: Consolidate glGetString calls First step for cacheing the result of glGetString calls is mostly cleanup. Bug: chromium:1173672 Change-Id: I47281a09b9bd5859655d16376977a6eabcfbb3c4 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2676203 Commit-Queue: Jonah Ryan-Davis <jonahr@google.com> Reviewed-by: Geoff Lang <geofflang@chromium.org>

• src/libANGLE/renderer/gl/wgl/DisplayWGL.h

• //
  // Copyright 2015 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // DisplayWGL.h: WGL implementation of egl::Display
  
  #ifndef LIBANGLE_RENDERER_GL_WGL_DISPLAYWGL_H_
  #define LIBANGLE_RENDERER_GL_WGL_DISPLAYWGL_H_
  
  #include <thread>
  #include <unordered_map>
  
  #include "libANGLE/renderer/gl/DisplayGL.h"
  
  #include <GL/wglext.h>
  
  namespace rx
  {
  
  class FunctionsWGL;
  class RendererWGL;
  class WorkerContext;
  
  class DisplayWGL : public DisplayGL
  {
    public:
      DisplayWGL(const egl::DisplayState &state);
      ~DisplayWGL() override;
  
      egl::Error initialize(egl::Display *display) override;
      void terminate() override;
  
      // Surface creation
      SurfaceImpl *createWindowSurface(const egl::SurfaceState &state,
                                       EGLNativeWindowType window,
                                       const egl::AttributeMap &attribs) override;
      SurfaceImpl *createPbufferSurface(const egl::SurfaceState &state,
                                        const egl::AttributeMap &attribs) override;
      SurfaceImpl *createPbufferFromClientBuffer(const egl::SurfaceState &state,
                                                 EGLenum buftype,
                                                 EGLClientBuffer clientBuffer,
                                                 const egl::AttributeMap &attribs) override;
      SurfaceImpl *createPixmapSurface(const egl::SurfaceState &state,
                                       NativePixmapType nativePixmap,
                                       const egl::AttributeMap &attribs) override;
  
      ContextImpl *createContext(const gl::State &state,
                                 gl::ErrorSet *errorSet,
                                 const egl::Config *configuration,
                                 const gl::Context *shareContext,
                                 const egl::AttributeMap &attribs) override;
  
      egl::ConfigSet generateConfigs() override;
  
      bool testDeviceLost() override;
      egl::Error restoreLostDevice(const egl::Display *display) override;
  
      bool isValidNativeWindow(EGLNativeWindowType window) const override;
      egl::Error validateClientBuffer(const egl::Config *configuration,
                                      EGLenum buftype,
                                      EGLClientBuffer clientBuffer,
                                      const egl::AttributeMap &attribs) const override;
  
      egl::Error waitClient(const gl::Context *context) override;
      egl::Error waitNative(const gl::Context *context, EGLint engine) override;
  
      egl::Error makeCurrent(egl::Display *display,
                             egl::Surface *drawSurface,
                             egl::Surface *readSurface,
                             gl::Context *context) override;
  
      egl::Error registerD3DDevice(IUnknown *device, HANDLE *outHandle);
      void releaseD3DDevice(HANDLE handle);
  
      gl::Version getMaxSupportedESVersion() const override;
  
      void destroyNativeContext(HGLRC context);
  
      WorkerContext *createWorkerContext(std::string *infoLog,
                                         HGLRC sharedContext,
                                         const std::vector<int> &workerContextAttribs);
  
      void initializeFrontendFeatures(angle::FrontendFeatures *features) const override;
  
      void populateFeatureList(angle::FeatureList *features) override;
  
      RendererGL *getRenderer() const override;
  
    private:
      egl::Error initializeImpl(egl::Display *display);
      void destroy();
  
      egl::Error initializeD3DDevice();
  
      void generateExtensions(egl::DisplayExtensions *outExtensions) const override;
      void generateCaps(egl::Caps *outCaps) const override;
  
      egl::Error makeCurrentSurfaceless(gl::Context *context) override;
  
      HGLRC initializeContextAttribs(const egl::AttributeMap &eglAttributes,
                                     HGLRC &sharedContext,
                                     bool &useARBShare,
                                     std::vector<int> &workerContextAttribs) const;
      HGLRC createContextAttribs(const gl::Version &version,
                                 int profileMask,
                                 HGLRC &sharedContext,
                                 bool &useARBShare,
                                 std::vector<int> &workerContextAttribs) const;
  
      egl::Error createRenderer(std::shared_ptr<RendererWGL> *outRenderer);
  
      std::shared_ptr<RendererWGL> mRenderer;
  
      struct CurrentNativeContext
      {
          HDC dc     = nullptr;
          HGLRC glrc = nullptr;
      };
      angle::HashMap<std::thread::id, CurrentNativeContext> mCurrentNativeContexts;
  
      HMODULE mOpenGLModule;
  
      FunctionsWGL *mFunctionsWGL;
  
      bool mHasWGLCreateContextRobustness;
      bool mHasRobustness;
  
      egl::AttributeMap mDisplayAttributes;
  
      ATOM mWindowClass;
      HWND mWindow;
      HDC mDeviceContext;
      int mPixelFormat;
  
      bool mUseDXGISwapChains;
      bool mHasDXInterop;
      HMODULE mDxgiModule;
      HMODULE mD3d11Module;
      HANDLE mD3D11DeviceHandle;
      ID3D11Device *mD3D11Device;
  
      struct D3DObjectHandle
      {
          HANDLE handle;
          size_t refCount;
      };
      std::map<IUnknown *, D3DObjectHandle> mRegisteredD3DDevices;
  
      bool mUseARBShare;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_GL_WGL_DISPLAYWGL_H_