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

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• Hash : 13ea5b7f
  Author :
  Date : 2020-03-19T12:43:12
  

  Implement gl[Get]MemoryObjectParameterivEXT
  
  These functions are required to tell the driver that the memory object
  is dedicated memory. This is required for AMD drivers on Linux.
  
  Bug: chromium:1049218
  Change-Id: I17d69cde5e6308791dc90784f4d6e348503a6ed6
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2110051
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/MemoryObject.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.
  //
  // MemoryObject.h: Defines the gl::MemoryObject class [EXT_external_objects]
  
  #ifndef LIBANGLE_MEMORYOBJECT_H_
  #define LIBANGLE_MEMORYOBJECT_H_
  
  #include "angle_gl.h"
  #include "common/PackedEnums.h"
  #include "common/angleutils.h"
  #include "libANGLE/Error.h"
  #include "libANGLE/RefCountObject.h"
  
  namespace rx
  {
  class GLImplFactory;
  class MemoryObjectImpl;
  }  // namespace rx
  
  namespace gl
  {
  class Context;
  
  class MemoryObject final : public RefCountObject<MemoryObjectID>
  {
    public:
      MemoryObject(rx::GLImplFactory *factory, MemoryObjectID id);
      ~MemoryObject() override;
  
      void onDestroy(const Context *context) override;
  
      rx::MemoryObjectImpl *getImplementation() const { return mImplementation.get(); }
  
      bool isImmutable() const { return mImmutable; }
  
      angle::Result setDedicatedMemory(const Context *context, bool dedicatedMemory);
      bool isDedicatedMemory() const { return mDedicatedMemory; }
  
      angle::Result importFd(Context *context, GLuint64 size, HandleType handleType, GLint fd);
      angle::Result importZirconHandle(Context *context,
                                       GLuint64 size,
                                       HandleType handleType,
                                       GLuint handle);
  
    private:
      std::unique_ptr<rx::MemoryObjectImpl> mImplementation;
  
      bool mImmutable;
      bool mDedicatedMemory;
  };
  
  }  // namespace gl
  
  #endif  // LIBANGLE_MEMORYOBJECT_H_
  

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