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#pragma once
#include "../../DataView.hpp"
#include "../../utils.hpp"
#include <stdexcept>
namespace amalgine
{
class DeviceMemoryEmpty : public std::runtime_error
{
public:
DeviceMemoryEmpty(const std::string &errMsg) : std::runtime_error(errMsg) {}
};
class DeviceMemory
{
DISABLE_COPY(DeviceMemory)
friend class DeviceFrame;
friend class ShaderInputVec4;
public:
enum class StorageType
{
// Uploaded once, drawn many times
STATIC,
// Created once, changed from time to time but drawn many times more than that
DYNAMIC,
// Uploaded once, drawn once (for example data that is changed every frame)
STREAM
};
enum class PrimitiveType
{
TRIANGLE
};
~DeviceMemory();
void copy(const DataView<f32> &data, StorageType storageType, PrimitiveType primitiveType = PrimitiveType::TRIANGLE);
void draw();
private:
DeviceMemory();
void operator delete(void *data);
void use() const;
private:
u32 vertexBufferObjectId;
u32 primitiveType;
u32 numVertices;
};
}
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