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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef PBO_H
#define PBO_H
#include "Rendering/GL/myGL.h"
/**
* @brief PBO
*
* Pixelbuffer Object class (EXT_pixel_buffer_object).
* WARNING: CANNOT BE USED IN COMBINATION WITH gluBuild2DMipmaps/glBuildMipmaps!!!
*/
class PBO
{
public:
PBO();
~PBO();
static bool IsSupported();
void Bind();
void Unbind(bool discard = true);
void Resize(GLsizeiptr size, GLenum usage = GL_STREAM_DRAW);
GLubyte* MapBuffer(GLbitfield access = GL_WRITE_ONLY);
GLubyte* MapBuffer(GLintptr offset, GLsizeiptr size, GLbitfield access = GL_WRITE_ONLY);
void UnmapBuffer();
const GLvoid* GetPtr(GLintptr offset = 0);
protected:
GLuint pboId;
size_t size;
private:
bool PBOused;
bool bound;
bool mapped;
GLubyte* data;
};
#endif /* PBO_H */
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