VkVariable.h

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#pragma once
#include "Platform.h"
#include "vulkan/vulkan.h"
 
#include "VkContext.h"
 
namespace dyno {

    enum VariableType
    {
        DeviceBuffer,   
        HostBuffer,       
        Constant,       
        Uniform          
    };
 
    enum VkResizeType
    {
        VK_BUFFER_REALLOCATED = 0x00000000,
        VK_BUFFER_REUSED = 0x00000001,
        VK_FAILED = 0xFFFFFFFF
    };
 
    class VkVariable {
    public:
        VkVariable();
        ~VkVariable();
 
        VkContext* currentContext() const { return ctx; }
 
        VkDescriptorBufferInfo& getDescriptor() { return buffer->descriptor; }
 
        VkBuffer bufferHandle() const { return buffer->buffer; }
 
        virtual VariableType type() = 0;
 
        static VkDescriptorType descriptorType(const VariableType varType);
 
        virtual uint32_t bufferSize() = 0;
 
        virtual void* data() const { return nullptr; }
 
    protected:
        VkContext* ctx = nullptr;
 
        std::shared_ptr<vks::Buffer> buffer;
    };
}