kc3-lang/angle/util/OSWindow.h

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• Author : Antonio Caggiano
  Date : 2022-01-19 17:19:48
  Hash : f6c14933
  Message : dEQP: Support Wayland Improve ANGLE native display factory by supporting creation of a Wayland native display. Bug: angleproject:7065 Change-Id: I0882d8666b1d07ced0804b99d1998ca45f4ad73b Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3525753 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>

• util/OSWindow.h

• //
  // Copyright 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.
  //
  // OSWindow:
  //   Operating system window integration base class.
  
  #ifndef UTIL_OSWINDOW_H_
  #define UTIL_OSWINDOW_H_
  
  #include <stdint.h>
  #include <list>
  #include <string>
  
  #include <EGL/egl.h>
  #include <EGL/eglext.h>
  
  #include "util/Event.h"
  #include "util/util_export.h"
  
  class ANGLE_UTIL_EXPORT OSWindow
  {
    public:
      static OSWindow *New();
      static void Delete(OSWindow **osWindow);
  
      bool initialize(const std::string &name, int width, int height);
      virtual void destroy()                   = 0;
      virtual void disableErrorMessageDialog() = 0;
  
      int getX() const;
      int getY() const;
      int getWidth() const;
      int getHeight() const;
  
      // Takes a screenshot of the window, returning the result as a mWidth * mHeight * 4
      // normalized unsigned byte BGRA array. Note that it will be used to test the window
      // manager's behavior so it needs to take an actual screenshot of the screen and not
      // just grab the pixels of the window. Returns if it was successful.
      virtual bool takeScreenshot(uint8_t *pixelData);
  
      // Re-initializes the native window. This is used on platforms which do not
      // have a reusable EGLNativeWindowType in order to recreate it, and is
      // needed by the test suite because it re-uses the same OSWindow for
      // multiple EGLSurfaces.
      virtual void resetNativeWindow() = 0;
  
      virtual EGLNativeWindowType getNativeWindow() const = 0;
  
      // Returns a native pointer that can be used for eglCreatePlatformWindowSurfaceEXT().
      virtual void *getPlatformExtension();
  
      virtual void setNativeDisplay(EGLNativeDisplayType display) {}
      virtual EGLNativeDisplayType getNativeDisplay() const = 0;
  
      virtual void messageLoop() = 0;
  
      bool popEvent(Event *event);
      virtual void pushEvent(Event event);
  
      virtual void setMousePosition(int x, int y)        = 0;
      virtual bool setOrientation(int width, int height) = 0;
      virtual bool setPosition(int x, int y)             = 0;
      virtual bool resize(int width, int height)         = 0;
      virtual void setVisible(bool isVisible)            = 0;
  
      virtual void signalTestEvent() = 0;
  
      // Pops events look for the test event
      bool didTestEventFire();
  
      // Whether window has been successfully initialized.
      bool valid() const { return mValid; }
  
      void ignoreSizeEvents() { mIgnoreSizeEvents = true; }
  
    protected:
      OSWindow();
      virtual ~OSWindow();
  
      virtual bool initializeImpl(const std::string &name, int width, int height) = 0;
  
      int mX;
      int mY;
      int mWidth;
      int mHeight;
  
      std::list<Event> mEvents;
  
      bool mValid;
      bool mIgnoreSizeEvents;
  };
  
  namespace angle
  {
  // Find a test data file or directory.
  ANGLE_UTIL_EXPORT bool FindTestDataPath(const char *searchPath,
                                          char *dataPathOut,
                                          size_t maxDataPathOutLen);
  }  // namespace angle
  
  #endif  // UTIL_OSWINDOW_H_