Method init

examples/OpenGLWindow/GLRenderToTexture.cpp:27–60

}

void GLRenderToTexture::init(int width, int height, GLuint textureId, int renderTextureType)
{
	m_renderTextureType = renderTextureType;

	glGenFramebuffers(1, &m_framebufferName);
	glBindFramebuffer(GL_FRAMEBUFFER, m_framebufferName);

	// The depth buffer
	//	glGenRenderbuffers(1, &m_depthrenderbuffer);

	//	glBindRenderbuffer(GL_RENDERBUFFER, m_depthrenderbuffer);
	//	glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, width, height);
	//	glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, m_depthrenderbuffer);

	switch (m_renderTextureType)
	{
		case RENDERTEXTURE_COLOR:
		{
			glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, textureId, 0);
			break;
		}
		case RENDERTEXTURE_DEPTH:
		{
			glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, textureId, 0);
			break;
		}
		default:
		{
			b3Assert(0);
		}
	};

	glBindFramebuffer(GL_FRAMEBUFFER, 0);
}

bool GLRenderToTexture::enable()
{