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

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• Hash : f6cdd02f
  Author :
  Date : 2021-12-09T16:52:35
  

  Re-land: "Vulkan: Support Wayland"
  
  Implement DisplayVkWayland and WindowSurfaceVkWayland. Get window size
  from native window and check egl config is just empty. An EGL wayland
  test is added for testing rendering and buffers swapping.
  
  Re-land fixes link failure in systems with no libwayland installed.
  
  Bug: angleproject:6902
  Change-Id: I706af14620d6298275009f5caf93b0e60339219b
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3578765
  Auto-Submit: Antonio Caggiano <antonio.caggiano@collabora.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• util/linux/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/linux/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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