gistfile1.cpp

EGLContext context = eglGetCurrentContext();
	EGLDisplay eglDisplay = eglGetCurrentDisplay();
	glBindTexture(GL_TEXTURE_2D, 0);
	EGLint imageAttributes[] = {
	        EGL_GL_TEXTURE_LEVEL_KHR, 0, // mip map level to reference
	        EGL_IMAGE_PRESERVED_KHR, EGL_FALSE,
	        EGL_NONE
	};

	EGLImageKHR (*eglCreateImageKHR)(EGLDisplay,EGLContext,int,EGLClientBuffer,EGLint*);
	get_egl_extension("eglCreateImageKHR",eglCreateImageKHR);
	void (*eglDestroyImageKHR)()  = eglGetProcAddress("eglDestroyImageKHR");

	if(eglCreateImageKHR==NULL){
		ofLogError()<<"eglCreateImageKHR not found";
	}else{

		 eglImage = eglCreateImageKHR(eglDisplay, context, EGL_GL_TEXTURE_2D_KHR,
			reinterpret_cast<EGLClientBuffer>(&windowBuffer),
			imageAttributes);
		if (eglImage == EGL_NO_IMAGE_KHR){
			ofLogError()	<< "Create EGLImage FAIL";
			return;
		}else{
			ofLogNotice()	<< "Create EGLImage PASS";
		}
		currentPathTexture->bind();
		glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, eglImage);
		currentPathTexture-Zunbind();
	}