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#pragma once
#include "drape/pointers.hpp"
#include "drape/gpu_buffer.hpp"
namespace dp
{
class DataBufferBase
{
public:
virtual ~DataBufferBase() {}
virtual uint32_t GetCapacity() const = 0;
virtual uint32_t GetCurrentSize() const = 0;
virtual uint32_t GetAvailableSize() const = 0;
virtual uint8_t GetElementSize() const = 0;
virtual void Seek(uint32_t elementNumber) = 0;
virtual void const * Data() const = 0;
virtual void UploadData(void const * data, uint32_t elementCount) = 0;
virtual void UpdateData(void * destPtr, void const * srcPtr, uint32_t elementOffset, uint32_t elementCount) = 0;
virtual void Bind() = 0;
virtual void * Map() = 0;
virtual void Unmap() = 0;
};
class DataBuffer
{
public:
DataBuffer(uint8_t elementSize, uint32_t capacity);
ref_ptr<DataBufferBase> GetBuffer() const;
void MoveToGPU(GPUBuffer::Target target);
private:
drape_ptr<DataBufferBase> m_impl;
};
class DataBufferMapper
{
public:
DataBufferMapper(ref_ptr<DataBuffer> buffer);
~DataBufferMapper();
void UpdateData(void const * data, uint32_t elementOffset, uint32_t elementCount);
private:
ref_ptr<DataBuffer> m_buffer;
void * m_ptr;
};
} // namespace dp
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