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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrVkExtensions_DEFINED
#define GrVkExtensions_DEFINED
#include "../private/SkTArray.h"
#include "SkString.h"
#include "vk/GrVkDefines.h"
#include "vk/GrVkInterface.h"
/**
* This helper queries the Vulkan driver for available extensions and layers, remembers them,
* and can be queried. It supports queries for both instance and device extensions and layers.
*/
class SK_API GrVkExtensions {
public:
GrVkExtensions(GrVkInterface::GetProc getProc)
: fGetProc(getProc)
, fInstanceExtensionStrings(new SkTArray<SkString>)
, fDeviceExtensionStrings(new SkTArray<SkString>)
, fInstanceLayerStrings(new SkTArray<SkString>)
, fDeviceLayerStrings(new SkTArray<SkString>) {}
bool initInstance(uint32_t specVersion);
bool initDevice(uint32_t specVersion, VkInstance, VkPhysicalDevice);
/**
* Queries whether an extension or layer is present. Will fail if not initialized.
*/
bool hasInstanceExtension(const char[]) const;
bool hasDeviceExtension(const char[]) const;
bool hasInstanceLayer(const char[]) const;
bool hasDeviceLayer(const char[]) const;
void print(const char* sep = "\n") const;
private:
GrVkInterface::GetProc fGetProc;
std::unique_ptr<SkTArray<SkString>> fInstanceExtensionStrings;
std::unique_ptr<SkTArray<SkString>> fDeviceExtensionStrings;
std::unique_ptr<SkTArray<SkString>> fInstanceLayerStrings;
std::unique_ptr<SkTArray<SkString>> fDeviceLayerStrings;
};
#endif
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