src/libANGLE/renderer/vulkan/DeviceVk.h

//
// Copyright 2016 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.
//
// DeviceVk.h:
//    Defines the class interface for DeviceVk, implementing DeviceImpl.
//

#ifndef LIBANGLE_RENDERER_VULKAN_DEVICEVK_H_
#define LIBANGLE_RENDERER_VULKAN_DEVICEVK_H_

#include "libANGLE/renderer/DeviceImpl.h"

#include "common/vulkan/vk_headers.h"

namespace rx
{

class RendererVk;

class DeviceVk : public DeviceImpl
{
  public:
    DeviceVk();
    ~DeviceVk() override;

    egl::Error initialize() override;
    egl::Error getAttribute(const egl::Display *display,
                            EGLint attribute,
                            void **outValue) override;
    EGLint getType() override;
    void generateExtensions(egl::DeviceExtensions *outExtensions) const override;
    RendererVk *getRenderer() const { return mRenderer; }

  private:
    // Wrappers for some global vulkan methods which need to read env variables.
    // The wrappers will set those env variables before calling those global methods.
    static VKAPI_ATTR VkResult VKAPI_CALL
    WrappedCreateInstance(const VkInstanceCreateInfo *pCreateInfo,
                          const VkAllocationCallbacks *pAllocator,
                          VkInstance *pInstance);
    static VKAPI_ATTR VkResult VKAPI_CALL
    WrappedEnumerateInstanceExtensionProperties(const char *pLayerName,
                                                uint32_t *pPropertyCount,
                                                VkExtensionProperties *pProperties);
    static VKAPI_ATTR VkResult VKAPI_CALL
    WrappedEnumerateInstanceLayerProperties(uint32_t *pPropertyCount,
                                            VkLayerProperties *pProperties);
    static VKAPI_ATTR VkResult VKAPI_CALL WrappedEnumerateInstanceVersion(uint32_t *pApiVersion);
    static VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL WrappedGetInstanceProcAddr(VkInstance instance,
                                                                               const char *pName);

    RendererVk *mRenderer = nullptr;
};

}  // namespace rx

#endif  // LIBANGLE_RENDERER_VULKAN_DEVICEVK_H_