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

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• Hash : 041b0a4d
  Author :
  Date : 2024-04-15T13:42:17
  

  Begin initializing caps for webgpu
  
  Bug: angleproject:8457
  Change-Id: Idde0673297ec675a13bd3e4fd4d220ec47392153
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5391987
  Reviewed-by: Matthew Denton <mpdenton@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Liza Burakova <liza@chromium.org>
  

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• src/libANGLE/renderer/wgpu/wgpu_utils.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_utils.h"
  
  #include "libANGLE/renderer/renderer_utils.h"
  #include "libANGLE/renderer/wgpu/ContextWgpu.h"
  #include "libANGLE/renderer/wgpu/DisplayWgpu.h"
  
  namespace rx
  {
  
  namespace webgpu
  {
  ContextWgpu *GetImpl(const gl::Context *context)
  {
      return GetImplAs<ContextWgpu>(context);
  }
  
  DisplayWgpu *GetDisplay(const gl::Context *context)
  {
      ContextWgpu *contextWgpu = GetImpl(context);
      return contextWgpu->getDisplay();
  }
  
  wgpu::Device GetDevice(const gl::Context *context)
  {
      DisplayWgpu *display = GetDisplay(context);
      return display->getDevice();
  }
  
  wgpu::Instance GetInstance(const gl::Context *context)
  {
      DisplayWgpu *display = GetDisplay(context);
      return display->getInstance();
  }
  
  bool IsError(wgpu::WaitStatus waitStatus)
  {
      return waitStatus != wgpu::WaitStatus::Success;
  }
  
  bool IsError(WGPUBufferMapAsyncStatus mapBufferStatus)
  {
      return mapBufferStatus != WGPUBufferMapAsyncStatus_Success;
  }
  
  void EnsureCapsInitialized(const wgpu::Device &device, gl::Caps *nativeCaps)
  {
      wgpu::SupportedLimits limitsWgpu = {};
      device.GetLimits(&limitsWgpu);
  
      nativeCaps->maxElementIndex       = std::numeric_limits<GLuint>::max() - 1;
      nativeCaps->max3DTextureSize      = rx::LimitToInt(limitsWgpu.limits.maxTextureDimension3D);
      nativeCaps->max2DTextureSize      = rx::LimitToInt(limitsWgpu.limits.maxTextureDimension2D);
      nativeCaps->maxArrayTextureLayers = rx::LimitToInt(limitsWgpu.limits.maxTextureArrayLayers);
      nativeCaps->maxCubeMapTextureSize = rx::LimitToInt(limitsWgpu.limits.maxTextureDimension2D);
      nativeCaps->maxRenderbufferSize   = rx::LimitToInt(limitsWgpu.limits.maxTextureDimension2D);
  
      nativeCaps->maxDrawBuffers       = rx::LimitToInt(limitsWgpu.limits.maxColorAttachments);
      nativeCaps->maxFramebufferWidth  = rx::LimitToInt(limitsWgpu.limits.maxTextureDimension2D);
      nativeCaps->maxFramebufferHeight = rx::LimitToInt(limitsWgpu.limits.maxTextureDimension2D);
      nativeCaps->maxColorAttachments  = rx::LimitToInt(limitsWgpu.limits.maxColorAttachments);
  
      nativeCaps->maxVertexAttribStride =
          rx::LimitToInt(limitsWgpu.limits.maxVertexBufferArrayStride);
  
      nativeCaps->maxVertexAttributes = rx::LimitToInt(limitsWgpu.limits.maxVertexAttributes);
  
      nativeCaps->maxTextureBufferSize = rx::LimitToInt(limitsWgpu.limits.maxBufferSize);
  }
  }  // namespace webgpu
  
  namespace wgpu_gl
  {
  gl::LevelIndex getLevelIndex(webgpu::LevelIndex levelWgpu, gl::LevelIndex baseLevel)
  {
      return gl::LevelIndex(levelWgpu.get() + baseLevel.get());
  }
  
  gl::Extents getExtents(wgpu::Extent3D wgpuExtent)
  {
      gl::Extents glExtent;
      glExtent.width  = wgpuExtent.width;
      glExtent.height = wgpuExtent.height;
      glExtent.depth  = wgpuExtent.depthOrArrayLayers;
      return glExtent;
  }
  }  // namespace wgpu_gl
  
  namespace gl_wgpu
  {
  webgpu::LevelIndex getLevelIndex(gl::LevelIndex levelGl, gl::LevelIndex baseLevel)
  {
      ASSERT(baseLevel <= levelGl);
      return webgpu::LevelIndex(levelGl.get() - baseLevel.get());
  }
  
  wgpu::Extent3D getExtent3D(const gl::Extents &glExtent)
  {
      wgpu::Extent3D wgpuExtent;
      wgpuExtent.width              = glExtent.width;
      wgpuExtent.height             = glExtent.height;
      wgpuExtent.depthOrArrayLayers = glExtent.depth;
      return wgpuExtent;
  }
  
  wgpu::TextureDimension getWgpuTextureDimension(gl::TextureType glTextureType)
  {
      wgpu::TextureDimension dimension = {};
      switch (glTextureType)
      {
          case gl::TextureType::_2D:
          case gl::TextureType::_2DMultisample:
          case gl::TextureType::Rectangle:
          case gl::TextureType::External:
          case gl::TextureType::Buffer:
              dimension = wgpu::TextureDimension::e2D;
              break;
          case gl::TextureType::_2DArray:
          case gl::TextureType::_2DMultisampleArray:
          case gl::TextureType::_3D:
          case gl::TextureType::CubeMap:
          case gl::TextureType::CubeMapArray:
          case gl::TextureType::VideoImage:
              dimension = wgpu::TextureDimension::e3D;
              break;
          default:
              break;
      }
      return dimension;
  }
  }  // namespace gl_wgpu
  }  // namespace rx
  

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