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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 <functional>
#include <memory>
#include <string>
#include <vector>
#include "amber/amber.h"
#include "amber/result.h"
#include "amber/vulkan_header.h"
#include "src/buffer.h"
#include "src/format.h"
namespace amber {
namespace vulkan {
struct VulkanPtrs {
#include "vk-wrappers-1-0.h" // NOLINT(build/include_subdir)
#include "vk-wrappers-1-1.h" // NOLINT(build/include_subdir)
};
/// Wrapper around a Vulkan Device object.
class Device {
public:
Device(VkInstance instance,
VkPhysicalDevice physical_device,
uint32_t queue_family_index,
VkDevice device,
VkQueue queue);
virtual ~Device();
Result Initialize(PFN_vkGetInstanceProcAddr getInstanceProcAddr,
Delegate* delegate,
const std::vector<std::string>& required_features,
const std::vector<std::string>& required_properties,
const std::vector<std::string>& required_device_extensions,
const VkPhysicalDeviceFeatures& available_features,
const VkPhysicalDeviceFeatures2KHR& available_features2,
const VkPhysicalDeviceProperties2KHR& available_properties2,
const std::vector<std::string>& available_extensions);
/// Returns true if |format| and the |buffer|s buffer type combination is
/// supported by the physical device.
bool IsFormatSupportedByPhysicalDevice(const Format& format, BufferType type);
VkDevice GetVkDevice() const { return device_; }
VkQueue GetVkQueue() const { return queue_; }
VkFormat GetVkFormat(const Format& format) const;
uint32_t GetQueueFamilyIndex() const { return queue_family_index_; }
uint32_t GetMaxPushConstants() const;
/// Returns true if the given |descriptor_set| is within the bounds of
/// this device.
bool IsDescriptorSetInBounds(uint32_t descriptor_set) const;
/// Returns true if the memory at |memory_type_index| has |flags| set.
virtual bool HasMemoryFlags(uint32_t memory_type_index,
const VkMemoryPropertyFlags flags) const;
/// Returns true if the memory at |memory_type_index| is host accessible.
bool IsMemoryHostAccessible(uint32_t memory_type_index) const;
/// Returns true if the memory at |memory_type_index| is host coherent.
bool IsMemoryHostCoherent(uint32_t memory_type_index) const;
/// Returns the pointers to the Vulkan API methods.
virtual const VulkanPtrs* GetPtrs() const { return &ptrs_; }
/// Returns true if the required subgroup size is supported for given stage
bool IsRequiredSubgroupSizeSupported(
const ShaderType type,
const uint32_t required_subgroup_size) const;
/// Returns the minimum required subgroup size or 0 if subgroup size control
/// is not supported.
uint32_t GetMinSubgroupSize() const;
/// Returns the maximum required subgroup size or 0 if subgroup size control
/// is not supported.
uint32_t GetMaxSubgroupSize() const;
private:
Result LoadVulkanPointers(PFN_vkGetInstanceProcAddr, Delegate* delegate);
bool SupportsApiVersion(uint32_t major, uint32_t minor, uint32_t patch);
VkInstance instance_ = VK_NULL_HANDLE;
VkPhysicalDevice physical_device_ = VK_NULL_HANDLE;
VkPhysicalDeviceProperties physical_device_properties_;
VkPhysicalDeviceMemoryProperties physical_memory_properties_;
VkPhysicalDeviceSubgroupSizeControlPropertiesEXT
subgroup_size_control_properties_;
VkDevice device_ = VK_NULL_HANDLE;
VkQueue queue_ = VK_NULL_HANDLE;
uint32_t queue_family_index_ = 0;
VulkanPtrs ptrs_;
};
} // namespace vulkan
} // namespace amber
#endif // SRC_VULKAN_DEVICE_H_
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