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

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• Author : Jamie Madill
  Date : 2018-10-18 17:34:38
  Hash : b8eec4a4
  Message : Use angle::Result in front-end (Part 7) Refactors the gl::FenceNV and gl::Sync classes. Bug: angleproject:2491 Change-Id: I0fe73d1ccf5407f460e173a3061735b330a88511 Reviewed-on: https://chromium-review.googlesource.com/c/1289712 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

• src/libANGLE/Fence.h

• //
  // Copyright (c) 2002-2013 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.
  //
  
  // Fence.h: Defines the gl::FenceNV and gl::Sync classes, which support the GL_NV_fence
  // extension and GLES3 sync objects.
  
  #ifndef LIBANGLE_FENCE_H_
  #define LIBANGLE_FENCE_H_
  
  #include "libANGLE/Debug.h"
  #include "libANGLE/Error.h"
  #include "libANGLE/RefCountObject.h"
  
  #include "common/angleutils.h"
  
  namespace rx
  {
  class FenceNVImpl;
  class SyncImpl;
  }
  
  namespace gl
  {
  
  class FenceNV final : angle::NonCopyable
  {
    public:
      explicit FenceNV(rx::FenceNVImpl *impl);
      virtual ~FenceNV();
  
      angle::Result set(const Context *context, GLenum condition);
      angle::Result test(const Context *context, GLboolean *outResult);
      angle::Result finish(const Context *context);
  
      bool isSet() const { return mIsSet; }
      GLboolean getStatus() const { return mStatus; }
      GLenum getCondition() const { return mCondition; }
  
    private:
      rx::FenceNVImpl *mFence;
  
      bool mIsSet;
  
      GLboolean mStatus;
      GLenum mCondition;
  };
  
  class Sync final : public RefCountObject, public LabeledObject
  {
    public:
      Sync(rx::SyncImpl *impl, GLuint id);
      ~Sync() override;
  
      void onDestroy(const Context *context) override;
  
      void setLabel(const std::string &label) override;
      const std::string &getLabel() const override;
  
      angle::Result set(const Context *context, GLenum condition, GLbitfield flags);
      angle::Result clientWait(const Context *context,
                               GLbitfield flags,
                               GLuint64 timeout,
                               GLenum *outResult);
      angle::Result serverWait(const Context *context, GLbitfield flags, GLuint64 timeout);
      angle::Result getStatus(const Context *context, GLint *outResult) const;
  
      GLenum getCondition() const { return mCondition; }
      GLbitfield getFlags() const { return mFlags; }
  
    private:
      rx::SyncImpl *mFence;
  
      std::string mLabel;
  
      GLenum mCondition;
      GLbitfield mFlags;
  };
  
  }  // namespace gl
  
  #endif   // LIBANGLE_FENCE_H_