gl.glTexImage2D(GL2.GL_PROXY_TEXTURE_2D, 0, GL.GL_RGBA, texWidth,
texHeight, 0, glType, GL.GL_UNSIGNED_BYTE, null);
int[] width = new int[1];
gl.glGetTexLevelParameteriv(GL2.GL_PROXY_TEXTURE_2D, 0,
GL2.GL_TEXTURE_WIDTH, width, 0);
if (width[0] <= 0) {
return false;
}