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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef FLUTTER_VULKAN_VULKAN_APPLICATION_H_
#define FLUTTER_VULKAN_VULKAN_APPLICATION_H_
#include <memory>
#include <string>
#include <vector>
#include "flutter/fml/macros.h"
#include "flutter/vulkan/procs/vulkan_handle.h"
#include "vulkan_debug_report.h"
namespace vulkan {
static const size_t kGrCacheMaxByteSize = 512 * (1 << 20);
class VulkanDevice;
class VulkanProcTable;
/// Applications using Vulkan acquire a VulkanApplication that attempts to
/// create a VkInstance (with debug reporting optionally enabled).
class VulkanApplication {
public:
VulkanApplication(VulkanProcTable& vk, // NOLINT
const std::string& application_name,
std::vector<std::string> enabled_extensions,
uint32_t application_version = VK_MAKE_VERSION(1, 0, 0),
uint32_t api_version = VK_MAKE_VERSION(1, 0, 0),
bool enable_validation_layers = false);
~VulkanApplication();
bool IsValid() const;
uint32_t GetAPIVersion() const;
const VulkanHandle<VkInstance>& GetInstance() const;
void ReleaseInstanceOwnership();
std::unique_ptr<VulkanDevice> AcquireFirstCompatibleLogicalDevice() const;
private:
VulkanProcTable& vk;
VulkanHandle<VkInstance> instance_;
uint32_t api_version_;
std::unique_ptr<VulkanDebugReport> debug_report_;
bool valid_;
bool enable_validation_layers_;
std::vector<VkPhysicalDevice> GetPhysicalDevices() const;
std::vector<VkExtensionProperties> GetSupportedInstanceExtensions(
const VulkanProcTable& vk) const;
bool ExtensionSupported(
const std::vector<VkExtensionProperties>& supported_extensions,
const std::string& extension_name);
FML_DISALLOW_COPY_AND_ASSIGN(VulkanApplication);
};
} // namespace vulkan
#endif // FLUTTER_VULKAN_VULKAN_APPLICATION_H_