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

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• Hash : 0add1163
  Author :
  Date : 2024-03-25T11:39:41
  

  Move extent and dimension conversions to wgpu_utils.
  
  This change moves some helper methods out of the ImageHelper and
  wgpu_helpers and into wgpu_utils.
  
  Bug: angleproject:8457
  Change-Id: I1cc641e4a48eec30519e331b6150e2432d3bc3c4
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5392380
  Reviewed-by: Matthew Denton <mpdenton@chromium.org>
  Commit-Queue: Liza Burakova <liza@chromium.org>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• src/libANGLE/renderer/wgpu/wgpu_helpers.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.
  //
  
  #include "libANGLE/renderer/wgpu/wgpu_helpers.h"
  
  namespace webgpu
  {
  ImageHelper::ImageHelper() {}
  
  ImageHelper::~ImageHelper() {}
  
  angle::Result ImageHelper::initImage(wgpu::Device &device,
                                       wgpu::TextureUsage usage,
                                       wgpu::TextureDimension dimension,
                                       wgpu::Extent3D size,
                                       wgpu::TextureFormat format,
                                       std::uint32_t mipLevelCount,
                                       std::uint32_t sampleCount,
                                       std::size_t viewFormatCount)
  {
      mTextureDescriptor.usage           = usage;
      mTextureDescriptor.dimension       = dimension;
      mTextureDescriptor.size            = size;
      mTextureDescriptor.format          = format;
      mTextureDescriptor.mipLevelCount   = mipLevelCount;
      mTextureDescriptor.sampleCount     = sampleCount;
      mTextureDescriptor.viewFormatCount = viewFormatCount;
  
      mTexture = device.CreateTexture(&mTextureDescriptor);
  
      return angle::Result::Continue;
  }
  
  void ImageHelper::flushStagedUpdates(wgpu::Device &device)
  {
      wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
      wgpu::ImageCopyTexture dst;
      for (const QueuedDataUpload &src : mBufferQueue)
      {
          if (src.targetLevel < mFirstAllocatedLevel ||
              src.targetLevel >= (mFirstAllocatedLevel + mTextureDescriptor.mipLevelCount))
          {
              continue;
          }
          LevelIndex targetLevelWgpu = toWgpuLevel(src.targetLevel);
          dst.texture                = mTexture;
          dst.mipLevel               = targetLevelWgpu.get();
          encoder.CopyBufferToTexture(&src.copyBuffer, &dst, &mTextureDescriptor.size);
      }
  }
  
  LevelIndex ImageHelper::toWgpuLevel(gl::LevelIndex levelIndexGl) const
  {
      return gl_wgpu::getLevelIndex(levelIndexGl, mFirstAllocatedLevel);
  }
  
  gl::LevelIndex ImageHelper::toGlLevel(LevelIndex levelIndexWgpu) const
  {
      return wgpu_gl::getLevelIndex(levelIndexWgpu, mFirstAllocatedLevel);
  }
  
  TextureInfo ImageHelper::getWgpuTextureInfo(const gl::ImageIndex &index)
  {
      TextureInfo textureInfo;
      textureInfo.dimension     = gl_wgpu::getWgpuTextureDimension(index.getType());
      textureInfo.mipLevelCount = index.getLayerCount();
      return textureInfo;
  }
  }  // namespace webgpu
  

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