public static void enableExtension() {
if (!WebGL10.isContextCompatible())
throw new IllegalStateException(
"You must have a WebGL context >= 1.0 to enable this extension.");
if (!isSupported())
throw new RuntimeException(
"This browser does not support the EXT_shader_texture_lod extension.");
if (!isExtensionEnabled()) nEnableExtension();
}
public static boolean isSupported() {
if (!WebGL10.isSupported()) return false;
if (!WebGL10.isContextCompatible())
throw new IllegalStateException(
"You must have a WebGL context >= 1.0 to check if extension is supported.");
for (String supportedExtension : WebGL10.glGetSupportedExtensions()) {
switch (supportedExtension) {
case "EXT_shader_texture_lod":
case "O_EXT_shader_texture_lod":
case "IE_EXT_shader_texture_lod":
case "MOZ_EXT_shader_texture_lod":
case "WEBKIT_EXT_shader_texture_lod":
return true;
}
}
return false;
}