kc3-lang/angle/src/libANGLE/Semaphore.h

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• Author : Michael Spang
  Date : 2019-06-03 19:23:02
  Hash : c4197713
  Message : Implement glImportMemoryZirconHandle & glImportSemaphoreZirconHandle Implement import of fuchsia external objects passed by zircon handle. This works exactly the same as with file descriptors. Bug: angleproject:3492 Change-Id: I4d46917dfc5902f00c94550158a9f8073097f0a4 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1642334 Commit-Queue: Michael Spang <spang@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>

• src/libANGLE/Semaphore.h

• //
  // Copyright 2019 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.
  //
  // Semaphore.h: Defines the gl::Semaphore class [EXT_external_objects]
  
  #ifndef LIBANGLE_SEMAPHORE_H_
  #define LIBANGLE_SEMAPHORE_H_
  
  #include <memory>
  
  #include "angle_gl.h"
  #include "common/PackedEnums.h"
  #include "common/angleutils.h"
  #include "libANGLE/Error.h"
  #include "libANGLE/RefCountObject.h"
  #include "libANGLE/angletypes.h"
  
  namespace rx
  {
  class GLImplFactory;
  class SemaphoreImpl;
  }  // namespace rx
  
  namespace gl
  {
  class Context;
  
  class Semaphore final : public RefCountObject<SemaphoreID>
  {
    public:
      Semaphore(rx::GLImplFactory *factory, SemaphoreID id);
      ~Semaphore() override;
  
      void onDestroy(const Context *context) override;
  
      rx::SemaphoreImpl *getImplementation() const { return mImplementation.get(); }
  
      angle::Result importFd(Context *context, HandleType handleType, GLint fd);
      angle::Result importZirconHandle(Context *context, HandleType handleType, GLuint handle);
  
      angle::Result wait(Context *context,
                         const BufferBarrierVector &bufferBarriers,
                         const TextureBarrierVector &textureBarriers);
  
      angle::Result signal(Context *context,
                           const BufferBarrierVector &bufferBarriers,
                           const TextureBarrierVector &textureBarriers);
  
    private:
      std::unique_ptr<rx::SemaphoreImpl> mImplementation;
  };
  
  }  // namespace gl
  
  #endif  // LIBANGLE_SEMAPHORE_H_