kc3-lang/angle/src/libANGLE/renderer/vulkan/GlslangWrapperVk.h

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• Hash : caa6eccd
  Author :
  Date : 2019-10-27T13:46:56
  

  Vulkan: Implement Transform Feedback support via extension
  
  Implemented transform feedback extension path. Where
  VK_EXT_transform_feedback is supported, extension path will be taken
  over an emulation path. Extension path has advantages in terms of
  performance.
  
  BUG=angleproject:3206
  Test: dEQP-GLES3.functional.transform_feedback.*
        angle_end2end_tests --gtest_filter=TransformFeedbackTest*
  
  Change-Id: Ia07c23afb289d9c67073469a97b714ec96f5265a
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1882767
  Commit-Queue: Mohan Maiya <m.maiya@samsung.com>
  Reviewed-by: Mohan Maiya <m.maiya@samsung.com>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Cody Northrop <cnorthrop@google.com>
  

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• src/libANGLE/renderer/vulkan/GlslangWrapperVk.h

• //
  // Copyright 2016 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.
  //
  // GlslangWrapperVk: Wrapper for Vulkan's glslang compiler.
  //
  
  #ifndef LIBANGLE_RENDERER_VULKAN_GLSLANG_WRAPPER_H_
  #define LIBANGLE_RENDERER_VULKAN_GLSLANG_WRAPPER_H_
  
  #include "libANGLE/renderer/ProgramImpl.h"
  #include "libANGLE/renderer/vulkan/vk_utils.h"
  
  namespace angle
  {
  struct FeaturesVk;
  }  // namespace angle
  
  namespace rx
  {
  // This class currently holds no state. If we want to hold state we would need to solve the
  // potential race conditions with multiple threads.
  class GlslangWrapperVk
  {
    public:
      static void GetShaderSource(const angle::FeaturesVk &features,
                                  const gl::ProgramState &programState,
                                  const gl::ProgramLinkedResources &resources,
                                  gl::ShaderMap<std::string> *shaderSourcesOut);
  
      static angle::Result GetShaderCode(vk::Context *context,
                                         const gl::Caps &glCaps,
                                         bool enableLineRasterEmulation,
                                         const gl::ShaderMap<std::string> &shaderSources,
                                         gl::ShaderMap<std::vector<uint32_t>> *shaderCodesOut);
  };
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_VULKAN_GLSLANG_WRAPPER_H_
  

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