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#pragma once
#include "drape/pointers.hpp"
#include "drape/buffer_base.hpp"
namespace dp
{
class GPUBuffer : public BufferBase
{
typedef BufferBase base_t;
public:
enum Target
{
ElementBuffer,
IndexBuffer
};
public:
GPUBuffer(Target t, uint8_t elementSize, uint16_t capacity);
~GPUBuffer();
void UploadData(void const * data, uint16_t elementCount);
void Bind();
protected:
void * Map();
void UpdateData(void * gpuPtr, void const * data, uint16_t elementOffset, uint16_t elementCount);
void Unmap();
/// discard old data
void Resize(uint16_t elementCount);
private:
friend class GPUBufferMapper;
Target m_t;
uint32_t m_bufferID;
#ifdef DEBUG
bool m_isMapped;
#endif
};
class GPUBufferMapper
{
public:
GPUBufferMapper(RefPointer<GPUBuffer> buffer);
~GPUBufferMapper();
void UpdateData(void const * data, uint16_t elementOffset, uint16_t elementCount);
private:
#ifdef DEBUG
static uint32_t m_mappedDataBuffer;
static uint32_t m_mappedIndexBuffer;
#endif
RefPointer<GPUBuffer> m_buffer;
void * m_gpuPtr;
};
} // namespace dp
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