kc3-lang/angle/src/libANGLE/renderer/DisplayImpl.h

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• Hash : e1aa9219
  Author :
  Date : 2018-01-08T17:53:05
  

  Create a new DeviceImpl each time one is requested from a DisplayImpl.
  
  This makes sure that the Device to DeviceImpl ratio is always 1:1 and
  avoids any potential double-deletion or unexpected deletion of
  DeviceImpl objects.
  
  BUG=742034
  
  Change-Id: I778068ccd09b7478d3683123456062b94be242a1
  Reviewed-on: https://chromium-review.googlesource.com/854627
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
  

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• src/libANGLE/renderer/DisplayImpl.h

• //
  // Copyright (c) 2014 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.
  //
  
  // DisplayImpl.h: Implementation methods of egl::Display
  
  #ifndef LIBANGLE_RENDERER_DISPLAYIMPL_H_
  #define LIBANGLE_RENDERER_DISPLAYIMPL_H_
  
  #include "common/angleutils.h"
  #include "libANGLE/Caps.h"
  #include "libANGLE/Config.h"
  #include "libANGLE/Error.h"
  #include "libANGLE/renderer/EGLImplFactory.h"
  #include "libANGLE/Stream.h"
  #include "libANGLE/Version.h"
  
  #include <set>
  #include <vector>
  
  namespace egl
  {
  class AttributeMap;
  class Display;
  struct DisplayState;
  struct Config;
  class Surface;
  class ImageSibling;
  class Thread;
  }
  
  namespace gl
  {
  class Context;
  }
  
  namespace rx
  {
  class SurfaceImpl;
  class ImageImpl;
  struct ConfigDesc;
  class DeviceImpl;
  class StreamProducerImpl;
  
  class DisplayImpl : public EGLImplFactory
  {
    public:
      DisplayImpl(const egl::DisplayState &state);
      ~DisplayImpl() override;
  
      virtual egl::Error initialize(egl::Display *display) = 0;
      virtual void terminate() = 0;
  
      virtual egl::Error makeCurrent(egl::Surface *drawSurface, egl::Surface *readSurface, gl::Context *context) = 0;
  
      virtual egl::ConfigSet generateConfigs() = 0;
  
      virtual bool testDeviceLost() = 0;
      virtual egl::Error restoreLostDevice(const egl::Display *display) = 0;
  
      virtual bool isValidNativeWindow(EGLNativeWindowType window) const = 0;
      virtual egl::Error validateClientBuffer(const egl::Config *configuration,
                                              EGLenum buftype,
                                              EGLClientBuffer clientBuffer,
                                              const egl::AttributeMap &attribs) const;
  
      virtual std::string getVendorString() const = 0;
  
      virtual DeviceImpl *createDevice() = 0;
  
      virtual egl::Error waitClient(const gl::Context *context) const = 0;
      virtual egl::Error waitNative(const gl::Context *context, EGLint engine) const = 0;
      virtual gl::Version getMaxSupportedESVersion() const           = 0;
      const egl::Caps &getCaps() const;
  
      const egl::DisplayExtensions &getExtensions() const;
  
    protected:
      const egl::DisplayState &mState;
  
    private:
      virtual void generateExtensions(egl::DisplayExtensions *outExtensions) const = 0;
      virtual void generateCaps(egl::Caps *outCaps) const = 0;
  
      mutable bool mExtensionsInitialized;
      mutable egl::DisplayExtensions mExtensions;
  
      mutable bool mCapsInitialized;
      mutable egl::Caps mCaps;
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_DISPLAYIMPL_H_
  

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