kc3-lang/angle/src/libANGLE/renderer/wgpu/linux/x11/WindowSurfaceWgpuX11.cpp

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• Hash : 3158d638
  Author :
  Date : 2025-05-06T17:08:56
  

  WebGPU: Store the WebGPU proc table in wrappers
  
  Instead of relying on the global WebGPU functions, pass the proc table
  to the object wrappers.
  
  Bug: angleproject:342213844
  Change-Id: I79a5e819ffac5b366fed0a159a6cef116b5e82b3
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6514676
  Reviewed-by: Liza Burakova <liza@chromium.org>
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Matthew Denton <mpdenton@chromium.org>
  

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• src/libANGLE/renderer/wgpu/linux/x11/WindowSurfaceWgpuX11.cpp

• //
  // Copyright 2024 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.
  //
  // WindowSurfaceWgpuX11.cpp:
  //    Defines the class interface for WindowSurfaceWgpuX11, implementing WindowSurfaceWgpu.
  //
  
  #include "libANGLE/renderer/wgpu/linux/x11/WindowSurfaceWgpuX11.h"
  
  #include "libANGLE/Display.h"
  #include "libANGLE/renderer/wgpu/DisplayWgpu.h"
  #include "libANGLE/renderer/wgpu/wgpu_utils.h"
  
  #include <X11/Xlib.h>
  #include <X11/Xresource.h>
  #include <X11/Xutil.h>
  
  namespace rx
  {
  
  WindowSurfaceWgpuX11::WindowSurfaceWgpuX11(const egl::SurfaceState &surfaceState,
                                             EGLNativeWindowType window)
      : WindowSurfaceWgpu(surfaceState, window)
  {}
  
  angle::Result WindowSurfaceWgpuX11::createWgpuSurface(const egl::Display *display,
                                                        webgpu::SurfaceHandle *outSurface)
  {
      DisplayWgpu *displayWgpu = webgpu::GetImpl(display);
      const DawnProcTable *wgpu = displayWgpu->getProcs();
  
      EGLNativeWindowType window = getNativeWindow();
  
      webgpu::InstanceHandle instance = displayWgpu->getInstance();
  
      WGPUSurfaceSourceXlibWindow x11Desc = WGPU_SURFACE_SOURCE_XLIB_WINDOW_INIT;
      x11Desc.display = reinterpret_cast<Display *>(display->getNativeDisplayId());
      x11Desc.window  = window;
  
      WGPUSurfaceDescriptor surfaceDesc = WGPU_SURFACE_DESCRIPTOR_INIT;
      surfaceDesc.nextInChain           = &x11Desc.chain;
  
      webgpu::SurfaceHandle surface = webgpu::SurfaceHandle::Acquire(
          wgpu, wgpu->instanceCreateSurface(instance.get(), &surfaceDesc));
      *outSurface           = surface;
  
      return angle::Result::Continue;
  }
  
  angle::Result WindowSurfaceWgpuX11::getCurrentWindowSize(const egl::Display *display,
                                                           gl::Extents *outSize)
  {
      Window root;
      int x, y;
      unsigned int width, height, border, depth;
      if (XGetGeometry(reinterpret_cast<Display *>(display->getNativeDisplayId()), getNativeWindow(),
                       &root, &x, &y, &width, &height, &border, &depth) == 0)
      {
          ERR() << "Failed to get X11 window geometry.";
          return angle::Result::Stop;
      }
  
      *outSize = gl::Extents(width, height, 1);
      return angle::Result::Continue;
  }
  
  WindowSurfaceWgpu *CreateWgpuWindowSurface(const egl::SurfaceState &surfaceState,
                                             EGLNativeWindowType window)
  {
      return new WindowSurfaceWgpuX11(surfaceState, window);
  }
  }  // namespace rx
  

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