kc3-lang/angle/src/libANGLE/renderer/wgpu/RenderTargetWgpu.cpp

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• Hash : 69841d3c
  Author :
  Date : 2025-04-30T23:55:16
  

  WebGPU: Use WebGPU C API for Textures and Framebuffers
  
  Bug: angleproject:414831373
  Change-Id: I6b547a726b22e8eb5d407e2d6340b1d18bf39033
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6503024
  Reviewed-by: Liza Burakova <liza@chromium.org>
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/wgpu/RenderTargetWgpu.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.
  //
  // RenderTargetWgpu.cpp:
  //    Implements the class methods for RenderTargetWgpu.
  //
  
  #include "libANGLE/renderer/wgpu/RenderTargetWgpu.h"
  
  namespace rx
  {
  RenderTargetWgpu::RenderTargetWgpu() {}
  
  RenderTargetWgpu::~RenderTargetWgpu()
  {
      reset();
  }
  
  RenderTargetWgpu::RenderTargetWgpu(RenderTargetWgpu &&other)
      : mImage(other.mImage),
        mTextureView(std::move(other.mTextureView)),
        mLevelIndex(other.mLevelIndex),
        mLayerIndex(other.mLayerIndex),
        mFormat(other.mFormat)
  {}
  
  void RenderTargetWgpu::set(webgpu::ImageHelper *image,
                             const webgpu::TextureViewHandle &texture,
                             const webgpu::LevelIndex level,
                             uint32_t layer,
                             WGPUTextureFormat format)
  {
      mImage       = image;
      mTextureView = texture;
      mLevelIndex  = level;
      mLayerIndex  = layer;
      mFormat      = &format;
  }
  
  void RenderTargetWgpu::reset()
  {
      mTextureView = nullptr;
      mLevelIndex  = webgpu::LevelIndex(0);
      mLayerIndex  = 0;
      mFormat      = nullptr;
  }
  
  angle::Result RenderTargetWgpu::flushImageStagedUpdates(ContextWgpu *contextWgpu,
                                                          webgpu::ClearValuesArray *deferredClears,
                                                          uint32_t deferredClearIndex)
  {
      gl::LevelIndex targetLevel = mImage->toGlLevel(mLevelIndex);
      ANGLE_TRY(mImage->flushSingleLevelUpdates(contextWgpu, targetLevel, deferredClears,
                                                deferredClearIndex));
      return angle::Result::Continue;
  }
  }  // namespace rx
  

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