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// Copyright 2018 The Amber Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_VULKAN_DEVICE_H_
#define SRC_VULKAN_DEVICE_H_
#include <memory>
#include <string>
#include <vector>
#include "amber/result.h"
#include "src/feature.h"
#include "vulkan/vulkan.h"
namespace amber {
namespace vulkan {
class Device {
public:
Device();
Device(VkPhysicalDevice physical_device,
const VkPhysicalDeviceFeatures& available_features,
const std::vector<std::string>& required_extensions,
uint32_t queue_family_index,
VkDevice device,
VkQueue queue);
~Device();
Result Initialize(const std::vector<Feature>& required_features,
const std::vector<std::string>& required_extensions);
void Shutdown();
VkInstance GetInstance() const { return instance_; }
VkPhysicalDevice GetPhysicalDevice() { return physical_device_; }
VkDevice GetDevice() const { return device_; }
VkPhysicalDevice GetPhysicalDevice() const { return physical_device_; }
uint32_t GetQueueFamilyIndex() const { return queue_family_index_; }
VkQueue GetQueue() const { return queue_; }
const VkPhysicalDeviceMemoryProperties& GetPhysicalMemoryProperties() const {
return physical_memory_properties_;
}
private:
Result CreateInstance();
Result CreateDebugReportCallback();
// Get a physical device by checking if the physical device has a proper
// queue family, required features, and required extensions. Note that
// this method calls ChooseQueueFamilyIndex() to check if any queue
// provided by the physical device supports graphics or compute pipeline
// and sets |queue_family_index_| for the proper queue family.
Result ChoosePhysicalDevice(
const std::vector<Feature>& required_features,
const std::vector<std::string>& required_extensions);
// Return true if |physical_device| has a queue family that supports both
// graphics and compute or only a compute pipeline. If the proper queue
// family exists, |queue_family_index_| will have the queue family index
// and flags, respectively. Return false if the proper queue family does
// not exist.
bool ChooseQueueFamilyIndex(const VkPhysicalDevice& physical_device);
// Create a logical device with enabled features |required_features|
// and enabled extensions|required_extensions|.
Result CreateDevice(const std::vector<Feature>& required_features,
const std::vector<std::string>& required_extensions);
VkInstance instance_ = VK_NULL_HANDLE;
VkDebugReportCallbackEXT callback_ = VK_NULL_HANDLE;
VkPhysicalDevice physical_device_ = VK_NULL_HANDLE;
VkPhysicalDeviceMemoryProperties physical_memory_properties_ = {};
VkPhysicalDeviceFeatures available_physical_device_features_ = {};
std::vector<std::string> available_physical_device_extensions_;
uint32_t queue_family_index_ = 0;
VkDevice device_ = VK_NULL_HANDLE;
VkQueue queue_ = VK_NULL_HANDLE;
bool destroy_device_ = true;
};
} // namespace vulkan
} // namespace amber
#endif // SRC_VULKAN_DEVICE_H_
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