kc3-lang/angle/src/libANGLE/renderer/vulkan/MemoryObjectVk.h

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• Author : Michael Spang
  Date : 2019-04-09 18:45:23
  Hash : f02a767d
  Message : Vulkan: Implement glTexStorageMem2DEXT This implements support for creating textures that alias vulkan images allocated inside external memory. Bug: angleproject:3289 Change-Id: Iad071f353a217793102ae737647c7cd572f7b0ad Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1552029 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Michael Spang <spang@chromium.org>

• src/libANGLE/renderer/vulkan/MemoryObjectVk.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.
  //
  // MemoryObjectVk.h: Defines the class interface for MemoryObjectVk,
  // implementing MemoryObjectImpl.
  
  #ifndef LIBANGLE_RENDERER_VULKAN_MEMORYOBJECTVK_H_
  #define LIBANGLE_RENDERER_VULKAN_MEMORYOBJECTVK_H_
  
  #include "libANGLE/renderer/MemoryObjectImpl.h"
  #include "libANGLE/renderer/vulkan/vk_helpers.h"
  #include "libANGLE/renderer/vulkan/vk_wrapper.h"
  
  namespace rx
  {
  
  class MemoryObjectVk : public MemoryObjectImpl
  {
    public:
      MemoryObjectVk();
      ~MemoryObjectVk() override;
  
      void onDestroy(const gl::Context *context) override;
  
      angle::Result importFd(gl::Context *context,
                             GLuint64 size,
                             gl::HandleType handleType,
                             GLint fd) override;
  
      angle::Result createImage(const gl::Context *context,
                                gl::TextureType type,
                                size_t levels,
                                GLenum internalFormat,
                                const gl::Extents &size,
                                GLuint64 offset,
                                vk::ImageHelper *image);
  
    private:
      angle::Result importOpaqueFd(gl::Context *context, GLuint64 size, GLint fd);
  
      GLuint64 mSize;
      int mFd;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_VULKAN_MEMORYOBJECTVK_H_