// Copyright 2018 The SwiftShader Authors. All Rights Reserved.
//
// 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 VK_DESCRIPTOR_UPDATE_TEMPLATE_HPP_
#define VK_DESCRIPTOR_UPDATE_TEMPLATE_HPP_

#include "VkObject.hpp"

namespace vk
{
	class DescriptorSetLayout;

	class DescriptorUpdateTemplate : public Object<DescriptorUpdateTemplate, VkDescriptorUpdateTemplate>
	{
	public:
		DescriptorUpdateTemplate(const VkDescriptorUpdateTemplateCreateInfo* pCreateInfo, void* mem);
		~DescriptorUpdateTemplate() = delete;

		static size_t ComputeRequiredAllocationSize(const VkDescriptorUpdateTemplateCreateInfo* info);

		void updateDescriptorSet(VkDescriptorSet descriptorSet, const void* pData);

	private:
		uint32_t                              descriptorUpdateEntryCount = 0;
		VkDescriptorUpdateTemplateEntry*      descriptorUpdateEntries = nullptr;
		DescriptorSetLayout*                  descriptorSetLayout = nullptr;
	};

	static inline DescriptorUpdateTemplate* Cast(VkDescriptorUpdateTemplate object)
	{
		return reinterpret_cast<DescriptorUpdateTemplate*>(object);
	}

} // namespace vk

#endif // VK_DESCRIPTOR_UPDATE_TEMPLATE_HPP_