kc3-lang/angle/src/libANGLE/renderer/vulkan/README.md

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• Hash : 2682b5a0
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  Date : 2019-10-07T15:13:23
  

  Documentation maintenance.
  
  Fixes links in the Vulkan back-end doc. Also includes a link to the
  Vulkan back-end docs on the main page. Also updates the building code
  section to mention VS2019 and make the win toolchain varable set more
  prominent.
  
  Bug: angleproject:1944
  Change-Id: I8e8f0775daa3643afaa1ddd44429fa7d8e77b19b
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1846014
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/vulkan/README.md

• # ANGLE: Vulkan Back-end
  
  ANGLE's Vulkan back-end implementation lives in this folder.
  
  [Vulkan](https://www.khronos.org/vulkan/) is an explicit graphics API. It has a lot in common with
  other explicit APIs such as Microsoft's [D3D12][D3D12 Guide] and Apple's
  [Metal](https://developer.apple.com/metal/). Compared to APIs like OpenGL or D3D11 explicit APIs can
  offer a number of significant benefits:
  
   * Lower API call CPU overhead.
   * A smaller API surface with more direct hardware control.
   * Better support for multi-core programming.
   * Vulkan in particular has open-source tooling and tests.
  
  [D3D12 Guide]: https://docs.microsoft.com/en-us/windows/desktop/direct3d12/directx-12-programming-guide
  
  ## Back-end Design
  
  The [`RendererVk`](RendererVk.cpp) class represents an `EGLDisplay`. `RendererVk` owns shared global
  resources like the [VkDevice][VkDevice], [VkQueue][VkQueue], the [Vulkan format tables](vk_format_utils.h)
  and [internal Vulkan shaders](shaders). The [ContextVk](ContextVk.cpp) class implements the back-end
  of a front-end OpenGL Context. ContextVk processes state changes and handles action commands like
  `glDrawArrays` and `glDrawElements`.
  
  Implementation details can be found in the `doc` directory.
  
  - [Fast OpenGL State Transitions](doc/FastOpenGLStateTransitions.md)
  - [Shader Module Compilation](doc/ShaderModuleCompilation.md)
  - [OpenGL Line Segment Rasterization](doc/OpenGLLineSegmentRasterization.md)
  - [Format Tables and Emulation](doc/FormatTablesAndEmulation.md)
  

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