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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef _TERRAIN_VERTEX_BUFFER_H_
#define _TERRAIN_VERTEX_BUFFER_H_
#include "TerrainBase.h"
#include "Rendering/GL/myGL.h"
namespace terrain {
class VertexBuffer
{
public:
VertexBuffer();
~VertexBuffer();
/// Allocate the buffer
void Init(int byteSize);
/// Free the buffer, called by destructor
void Free();
/// returns the vertex buffer size in bytes
uint GetSize() const { return size; }
/// returns the pointer that should be passed to glVertexPointer
void* Bind();
/// unbind it, so it can be locked again
void Unbind();
/// returns a pointer to the data, write-only
void* LockData();
/// unlocks the data, so it can be used for rendering
void UnlockData();
/// returns total buffer memory size used by all VertexBuffer instances
static int TotalSize() { return totalBufferSize; }
protected:
char* data;
GLuint id;
uint size;
uint type;
static int totalBufferSize;
};
class IndexBuffer : public VertexBuffer
{
public:
IndexBuffer();
};
}
#endif // _TERRAIN_VERTEX_BUFFER_H_
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