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68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
#pragma once
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#include "drape/graphics_context.hpp"
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#include "drape/gpu_buffer.hpp"
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#include "drape/pointers.hpp"
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namespace dp
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{
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class DataBufferBase
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{
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public:
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virtual ~DataBufferBase() = default;
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virtual uint32_t GetCapacity() const = 0;
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virtual uint32_t GetCurrentSize() const = 0;
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virtual uint32_t GetAvailableSize() const = 0;
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virtual uint8_t GetElementSize() const = 0;
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virtual void Seek(uint32_t elementNumber) = 0;
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virtual void const * Data() const = 0;
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virtual void UploadData(ref_ptr<GraphicsContext> context,
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void const * data, uint32_t elementCount) = 0;
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virtual void * Map(ref_ptr<GraphicsContext> context, uint32_t elementOffset,
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uint32_t elementCount) = 0;
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virtual void UpdateData(void * destPtr, void const * srcPtr, uint32_t elementOffset,
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uint32_t elementCount) = 0;
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virtual void Unmap(ref_ptr<GraphicsContext> context) = 0;
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virtual void Bind() = 0;
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};
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class DataBuffer
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{
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public:
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DataBuffer(uint8_t elementSize, uint32_t capacity);
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ref_ptr<DataBufferBase> GetBuffer() const;
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void MoveToGPU(ref_ptr<GraphicsContext> context, GPUBuffer::Target target, uint64_t batcherHash);
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private:
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// Definition of this method is in a .mm-file.
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drape_ptr<DataBufferBase> CreateImplForMetal(ref_ptr<GraphicsContext> context, void const * data,
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uint8_t elementSize, uint32_t capacity);
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// Definition of this method is in a separate .cpp-file.
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drape_ptr<DataBufferBase> CreateImplForVulkan(ref_ptr<GraphicsContext> context, void const * data,
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uint8_t elementSize, uint32_t capacity,
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uint64_t batcherHash);
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drape_ptr<DataBufferBase> m_impl;
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};
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class DataBufferMapper
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{
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public:
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DataBufferMapper(ref_ptr<GraphicsContext> context, ref_ptr<DataBuffer> buffer,
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uint32_t elementOffset, uint32_t elementCount);
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~DataBufferMapper();
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void UpdateData(void const * data, uint32_t elementOffset, uint32_t elementCount);
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private:
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ref_ptr<GraphicsContext> m_context;
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ref_ptr<DataBuffer> m_buffer;
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void * m_ptr;
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};
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} // namespace dp
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