static ScreenInfo default;
static int initialized = 0;
ScreenInfo* default_screen_depth() {
if (!initialized) {
default.redBits = 8;
default.greenBits = 8;
default.blueBits = 8;
initialized = 1;
}
return &default;
}
void set_screen_depth(ScreenInfo* info) {
/* Do something ... */
}
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<td class='lines'><pre><code><span class="hl kwa">package</span> jogamp<span class="hl opt">.</span>opengl<span class="hl opt">;</span>
<span class="hl kwa">public class</span> SystemUtil <span class="hl opt">{</span>
<span class="hl kwa">private static volatile boolean</span> getenvSupported <span class="hl opt">=</span> <span class="hl kwb">true</span><span class="hl opt">;</span>
<span class="hl com">/** Wrapper for System.getenv(), which doesn't work on platforms</span>
<span class="hl com"> earlier than JDK 5 */</span>
<span class="hl kwa">public static</span> String <span class="hl kwd">getenv</span><span class="hl opt">(</span>String variableName<span class="hl opt">) {</span>
<span class="hl kwa">if</span> <span class="hl opt">(</span>getenvSupported<span class="hl opt">) {</span>
<span class="hl kwa">try</span> <span class="hl opt">{</span>
<span class="hl kwa">return</span> System<span class="hl opt">.</span><span class="hl kwd">getenv</span><span class="hl opt">(</span>variableName<span class="hl opt">);</span>
<span class="hl opt">}</span> <span class="hl kwa">catch</span> <span class="hl opt">(</span>Error e<span class="hl opt">) {</span>
getenvSupported <span class="hl opt">=</span> <span class="hl kwb">false</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl opt">}</span>
<span class="hl kwa">return</span> <span class="hl kwb">null</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl opt">}</span>
</code></pre></td></tr></table>
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