VulkanBuffer.h

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/*
* Vulkan buffer class
*
* Encapsulates a Vulkan buffer
*
* Copyright (C) 2016 by Sascha Willems - www.saschawillems.de
*
* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
*/
 
#pragma once
 
#include <vector>
 
#include "vulkan/vulkan.h"
//#include "VkContext.h"
 
VK_DEFINE_HANDLE(VmaAllocation)
VK_DEFINE_HANDLE(VmaAllocator)
 
namespace vks
{
    class Buffer
    {
    public:
        Buffer(VkDevice dev = nullptr);
        ~Buffer();
        VkResult map(VkDeviceSize size = VK_WHOLE_SIZE, VkDeviceSize offset = 0);
        void unmap();
        VkResult bind(VkDeviceSize offset = 0);
        void setupDescriptor(VkDeviceSize size = VK_WHOLE_SIZE, VkDeviceSize offset = 0);
        void copyTo(void* data, VkDeviceSize size);
        VkResult flush(VkDeviceSize size = VK_WHOLE_SIZE, VkDeviceSize offset = 0);
        VkResult invalidate(VkDeviceSize size = VK_WHOLE_SIZE, VkDeviceSize offset = 0);
        void destroy();
 
        VkDevice device;
        VkBuffer buffer = VK_NULL_HANDLE;
        VkDeviceMemory memory = VK_NULL_HANDLE;
        VkDescriptorBufferInfo descriptor;
        VkDeviceSize size = 0;
        VkDeviceSize alignment = 0;
        VkDeviceSize offset = 0;
        VmaAllocation allocation = VK_NULL_HANDLE;
        VmaAllocator allocator = VK_NULL_HANDLE;
        VkBool32 usePool = VK_FALSE;
        void* mapped = nullptr;
        VkBufferUsageFlags usageFlags;
        VkMemoryPropertyFlags memoryPropertyFlags;
 
//      px::VkContext* ctx;
    };
}