kc3-lang/angle/src/libANGLE/renderer/gl/FenceNVGL.h

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• Hash : 6d6b91a6
  Author :
  Date : 2020-01-21T15:58:19
  

  Enable GL_NV_fence with Vulkan backend
  
  Implemented FenceNVVk, based on the existing vk::SyncHelper class.
  
  Bug: angleproject:4295
  Change-Id: I3f44a66e27ce3bd24461894dae4757b25321a6a4
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2013880
  Commit-Queue: Alexis Hétu <sugoi@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/gl/FenceNVGL.h

• //
  // Copyright 2015 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.
  //
  
  // FenceNVGL.h: Defines the class interface for FenceNVGL.
  
  #ifndef LIBANGLE_RENDERER_GL_FENCENVGL_H_
  #define LIBANGLE_RENDERER_GL_FENCENVGL_H_
  
  #include "libANGLE/renderer/FenceNVImpl.h"
  
  namespace rx
  {
  class FunctionsGL;
  
  // FenceNV implemented with the native GL_NV_fence extension
  class FenceNVGL : public FenceNVImpl
  {
    public:
      explicit FenceNVGL(const FunctionsGL *functions);
      ~FenceNVGL() override;
  
      void onDestroy(const gl::Context *context) override {}
      angle::Result set(const gl::Context *context, GLenum condition) override;
      angle::Result test(const gl::Context *context, GLboolean *outFinished) override;
      angle::Result finish(const gl::Context *context) override;
  
      static bool Supported(const FunctionsGL *functions);
  
    private:
      GLuint mFence;
  
      const FunctionsGL *mFunctions;
  };
  
  // FenceNV implemented with the GLsync API
  class FenceNVSyncGL : public FenceNVImpl
  {
    public:
      explicit FenceNVSyncGL(const FunctionsGL *functions);
      ~FenceNVSyncGL() override;
  
      void onDestroy(const gl::Context *context) override {}
      angle::Result set(const gl::Context *context, GLenum condition) override;
      angle::Result test(const gl::Context *context, GLboolean *outFinished) override;
      angle::Result finish(const gl::Context *context) override;
  
      static bool Supported(const FunctionsGL *functions);
  
    private:
      GLsync mSyncObject;
  
      const FunctionsGL *mFunctions;
  };
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_GL_FENCENVGL_H_
  

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