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// Copyright 2019 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 SAMPLES_CONFIG_HELPER_VULKAN_H_
#define SAMPLES_CONFIG_HELPER_VULKAN_H_
#include <vulkan/vulkan.h>
#include <limits>
#include <memory>
#include <string>
#include <vector>
#include "amber/amber.h"
#include "amber/amber_vulkan.h"
#include "samples/config_helper.h"
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"
namespace sample {
/// Child class of ConfigHelperImpl for Vulkan.
class ConfigHelperVulkan : public ConfigHelperImpl {
public:
ConfigHelperVulkan();
~ConfigHelperVulkan() override;
/// Create Vulkan instance and device and return them as
/// amber::VulkanEngineConfig. Required Vulkan device features and
/// extensions are given in |required_features| and
/// |required_extensions|, respectively.
amber::Result CreateConfig(
uint32_t engine_major,
uint32_t engine_minor,
int32_t selected_device,
const std::vector<std::string>& required_features,
const std::vector<std::string>& required_instance_extensions,
const std::vector<std::string>& required_device_extensions,
bool disable_validation_layer,
bool show_version_info,
std::unique_ptr<amber::EngineConfig>* config) override;
private:
/// Create Vulkan instance.
amber::Result CreateVulkanInstance(
uint32_t engine_major,
uint32_t engine_minor,
std::vector<std::string> required_instance_extensions,
bool disable_validation_layer);
/// Create |vulkan_callback_| that reports validation layer errors
/// via debugCallback() function in config_helper_vulkan.cc.
amber::Result CreateDebugReportCallback();
/// Check if |physical_device| supports both
/// |required_features| and |required_extensions|.
amber::Result CheckVulkanPhysicalDeviceRequirements(
const VkPhysicalDevice physical_device,
const std::vector<std::string>& required_features,
const std::vector<std::string>& required_extensions);
/// Choose Vulkan physical device that supports both
/// |required_features| and |required_extensions|.
amber::Result ChooseVulkanPhysicalDevice(
const std::vector<std::string>& required_features,
const std::vector<std::string>& required_extensions,
const int32_t selected_device);
/// Create Vulkan logical device that enables both
/// |required_features| and |required_extensions|.
amber::Result CreateVulkanDevice(
const std::vector<std::string>& required_features,
const std::vector<std::string>& required_extensions);
/// Sets up the device creation to use VkPhysicalDeviceFeatures.
amber::Result CreateDeviceWithFeatures1(
const std::vector<std::string>& required_features,
VkDeviceCreateInfo* info);
/// Sets up the device creation to use VkPhysicalDeviceFeatures2KHR.
amber::Result CreateDeviceWithFeatures2(
const std::vector<std::string>& required_features,
VkDeviceCreateInfo* info);
/// Creates the physical device given the device |info|.
amber::Result DoCreateDevice(VkDeviceCreateInfo* info);
/// Writes information related to the vulkan instance to stdout.
void DumpPhysicalDeviceInfo();
VkInstance vulkan_instance_ = VK_NULL_HANDLE;
VkDebugReportCallbackEXT vulkan_callback_ = VK_NULL_HANDLE;
VkPhysicalDevice vulkan_physical_device_ = VK_NULL_HANDLE;
std::vector<std::string> available_instance_extensions_;
std::vector<std::string> available_device_extensions_;
uint32_t vulkan_queue_family_index_ = std::numeric_limits<uint32_t>::max();
VkQueue vulkan_queue_ = VK_NULL_HANDLE;
VkDevice vulkan_device_ = VK_NULL_HANDLE;
bool supports_get_physical_device_properties2_ = false;
bool supports_shader_float16_int8_ = false;
bool supports_shader_8bit_storage_ = false;
bool supports_shader_16bit_storage_ = false;
bool supports_subgroup_size_control_ = false;
VkPhysicalDeviceFeatures available_features_;
VkPhysicalDeviceFeatures2KHR available_features2_;
VkPhysicalDeviceVariablePointerFeaturesKHR variable_pointers_feature_;
VkPhysicalDeviceFloat16Int8FeaturesKHR float16_int8_feature_;
VkPhysicalDevice8BitStorageFeaturesKHR storage_8bit_feature_;
VkPhysicalDevice16BitStorageFeaturesKHR storage_16bit_feature_;
VkPhysicalDeviceSubgroupSizeControlFeaturesEXT subgroup_size_control_feature_;
};
} // namespace sample
#pragma clang diagnostic pop
#endif // SAMPLES_CONFIG_HELPER_VULKAN_H_