kc3-lang/angle/util/x11/X11Pixmap.cpp

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• Hash : 62b11a47
  Author :
  Date : 2020-07-23T16:35:29
  

  X11: cast native display type to XDisplay.
  
  This is required to have use_x11 && use_ozone builds at the same time.
  
  Bug: chromium:1085700
  Change-Id: I3d4cdf590e1ecf79af9e2d4bd585955c3f1b7af6
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2315031
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• util/x11/X11Pixmap.cpp

• //
  // 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.
  //
  
  // X11Pixmap.cpp: Implementation of OSPixmap for X11
  
  #include "util/x11/X11Pixmap.h"
  
  X11Pixmap::X11Pixmap() : mPixmap(0), mDisplay(nullptr) {}
  
  X11Pixmap::~X11Pixmap()
  {
      if (mPixmap)
      {
          XFreePixmap(mDisplay, mPixmap);
      }
  }
  
  bool X11Pixmap::initialize(EGLNativeDisplayType display,
                             size_t width,
                             size_t height,
                             int nativeVisual)
  {
      mDisplay = reinterpret_cast<Display *>(display);
  
      int screen  = DefaultScreen(mDisplay);
      Window root = RootWindow(mDisplay, screen);
      int depth   = 0;
  
      XVisualInfo visualTemplate;
      visualTemplate.visualid = nativeVisual;
  
      int numVisuals    = 0;
      XVisualInfo *info = XGetVisualInfo(mDisplay, VisualIDMask, &visualTemplate, &numVisuals);
      if (numVisuals == 1)
      {
          depth = info->depth;
      }
      XFree(info);
  
      mPixmap = XCreatePixmap(mDisplay, root, static_cast<unsigned int>(width),
                              static_cast<unsigned int>(height), depth);
  
      return mPixmap != 0;
  }
  
  EGLNativePixmapType X11Pixmap::getNativePixmap() const
  {
      return mPixmap;
  }
  
  OSPixmap *CreateOSPixmap()
  {
      return new X11Pixmap();
  }
  

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