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

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• Hash : fdada9ee
  Author :
  Date : 2022-12-13T14:52:53
  

  Re-land: "Make SyncIDs a packed type."
  
  This re-land fixes the sync map size tracking.
  
  This prepares syncs to use a simple resource map like other
  types, which will make life easier in the trace interpreter.
  
  Bug: angleproject:7775
  Change-Id: If2114c51d5b68503890eacbf549182823667fedc
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4178012
  Reviewed-by: Cody Northrop <cnorthrop@google.com>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/Fence.h

• //
  // Copyright 2002 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 GLImplFactory;
  class FenceNVImpl;
  class SyncImpl;
  }  // namespace rx
  
  namespace gl
  {
  
  class FenceNV final : angle::NonCopyable
  {
    public:
      explicit FenceNV(rx::GLImplFactory *factory);
      virtual ~FenceNV();
  
      void onDestroy(const gl::Context *context);
      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<SyncID>, public LabeledObject
  {
    public:
      Sync(rx::GLImplFactory *factory, SyncID id);
      ~Sync() override;
  
      void onDestroy(const Context *context) override;
  
      angle::Result setLabel(const Context *context, 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; }
  
      rx::SyncImpl *getImplementation() const { return mFence; }
  
    private:
      rx::SyncImpl *mFence;
  
      std::string mLabel;
  
      GLenum mCondition;
      GLbitfield mFlags;
  };
  
  }  // namespace gl
  
  #endif  // LIBANGLE_FENCE_H_
  

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