kc3-lang/angle/src/libANGLE/renderer/wgpu/win32/WindowSurfaceWgpuWin32.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/win32/WindowSurfaceWgpuWin32.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.
  //
  // WindowSurfaceVkWin32.cpp:
  //    Defines the class interface for WindowSurfaceWgpuWin32, implementing WindowSurfaceWgpu.
  //
  
  #include "libANGLE/renderer/wgpu/win32/WindowSurfaceWgpuWin32.h"
  
  #include "libANGLE/Display.h"
  #include "libANGLE/renderer/wgpu/DisplayWgpu.h"
  #include "libANGLE/renderer/wgpu/wgpu_utils.h"
  
  namespace rx
  {
  WindowSurfaceWgpuWin32::WindowSurfaceWgpuWin32(const egl::SurfaceState &surfaceState,
                                                 EGLNativeWindowType window)
      : WindowSurfaceWgpu(surfaceState, window)
  {}
  
  angle::Result WindowSurfaceWgpuWin32::createWgpuSurface(const egl::Display *display,
                                                          webgpu::SurfaceHandle *outSurface)
  {
      DisplayWgpu *displayWgpu = webgpu::GetImpl(display);
      const DawnProcTable *wgpu       = displayWgpu->getProcs();
      webgpu::InstanceHandle instance = displayWgpu->getInstance();
  
      WGPUSurfaceSourceWindowsHWND hwndDesc = WGPU_SURFACE_SOURCE_WINDOWS_HWND_INIT;
      hwndDesc.hinstance                    = GetModuleHandle(nullptr);
      hwndDesc.hwnd                         = getNativeWindow();
  
      WGPUSurfaceDescriptor surfaceDesc = WGPU_SURFACE_DESCRIPTOR_INIT;
      surfaceDesc.nextInChain           = &hwndDesc.chain;
  
      webgpu::SurfaceHandle surface = webgpu::SurfaceHandle::Acquire(
          wgpu, wgpu->instanceCreateSurface(instance.get(), &surfaceDesc));
      *outSurface           = surface;
  
      return angle::Result::Continue;
  }
  
  angle::Result WindowSurfaceWgpuWin32::getCurrentWindowSize(const egl::Display *display,
                                                             gl::Extents *outSize)
  {
      RECT rect;
      if (!GetClientRect(getNativeWindow(), &rect))
      {
          // TODO: generate a proper error + msg
          return angle::Result::Stop;
      }
  
      *outSize = gl::Extents(rect.right - rect.left, rect.bottom - rect.top, 1);
      return angle::Result::Continue;
  }
  
  WindowSurfaceWgpu *CreateWgpuWindowSurface(const egl::SurfaceState &surfaceState,
                                             EGLNativeWindowType window)
  {
      return new WindowSurfaceWgpuWin32(surfaceState, window);
  }
  }  // namespace rx
  

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