bullet3/examples/OpenGLWindow/GLRenderToTexture.h

#ifndef GL_RENDER_TO_TEXTURE_H
#define GL_RENDER_TO_TEXTURE_H

///See http://www.opengl-tutorial.org/intermediate-tutorials/tutorial-14-render-to-texture/
#include "OpenGLInclude.h"

enum
{
	RENDERTEXTURE_COLOR = 1,
	RENDERTEXTURE_DEPTH,
};
struct GLRenderToTexture
{
	GLuint m_framebufferName;
	GLuint m_depthrenderbuffer;
	bool m_initialized;
	int m_renderTextureType;

public:
	GLRenderToTexture();

	void init(int width, int height, GLuint textureId, int renderTextureType = RENDERTEXTURE_COLOR);
	bool enable();
	void disable();

	virtual ~GLRenderToTexture();
};

#endif  //GL_RENDER_TO_TEXTURE_H