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authorJulien Gouesse <[email protected]>2014-02-15 13:32:54 +0100
committerJulien Gouesse <[email protected]>2014-02-15 13:32:54 +0100
commitb08521c6f47e698d87b919c24d2c37b934970862 (patch)
tree45c3a2a40896072a2f1d49bb7ac60c7a5f78e996 /ardor3d-jogl/src/main/java/com
parentfc3a8f6690809bdcf4ef4f4f89ca776ac7ae2217 (diff)
Does not drop and reclaim the OpenGL context in JoglCanvasRenderer.draw() by default in order to get a real boost especially when the v-sync is turned off
Diffstat (limited to 'ardor3d-jogl/src/main/java/com')
-rw-r--r--ardor3d-jogl/src/main/java/com/ardor3d/framework/jogl/JoglCanvasRenderer.java41
1 files changed, 37 insertions, 4 deletions
diff --git a/ardor3d-jogl/src/main/java/com/ardor3d/framework/jogl/JoglCanvasRenderer.java b/ardor3d-jogl/src/main/java/com/ardor3d/framework/jogl/JoglCanvasRenderer.java
index 2e8cd44..6f61422 100644
--- a/ardor3d-jogl/src/main/java/com/ardor3d/framework/jogl/JoglCanvasRenderer.java
+++ b/ardor3d-jogl/src/main/java/com/ardor3d/framework/jogl/JoglCanvasRenderer.java
@@ -65,18 +65,47 @@ public class JoglCanvasRenderer implements CanvasRenderer {
*/
private boolean _debugEnabled = false;
+ /**
+ * <code>true</code> if we try to drop and reclaim the context on each frame.
+ */
+ private final boolean _contextDropAndReclaimOnDrawEnabled;
+
protected CapsUtil _capsUtil;
protected DirectNioBuffersSet _directNioBuffersSet;
+ /**
+ * Default constructor, with debug disabled, using the default utility for the capabilities and with context drop
+ * and reclaim on draw disabled
+ *
+ * @param scene
+ * data related to the scene (cannot be null)
+ */
public JoglCanvasRenderer(final Scene scene) {
- this(scene, false, new CapsUtil());
+ this(scene, false, new CapsUtil(), false);
}
- public JoglCanvasRenderer(final Scene scene, final boolean useDebug, final CapsUtil capsUtil) {
+ /**
+ * Main constructor
+ *
+ * @param scene
+ * data related to the scene
+ * @param useDebug
+ * <code>true</code> if debugging is currently enabled for this GLContext
+ * @param capsUtil
+ * utility to manage the capabilities (cannot be null)
+ * @param contextDropAndReclaimOnDrawEnabled
+ * <code>true</code> if we try to drop and reclaim the context on each frame. It should be set to
+ * <code>false</code> for better performance in the general case. It should be set to <code>true</code>
+ * if and only if the OpenGL context is made current on a thread which is not the default rendering
+ * thread of the canvas.
+ */
+ public JoglCanvasRenderer(final Scene scene, final boolean useDebug, final CapsUtil capsUtil,
+ final boolean contextDropAndReclaimOnDrawEnabled) {
_scene = scene;
_useDebug = useDebug;
_capsUtil = capsUtil;
+ _contextDropAndReclaimOnDrawEnabled = contextDropAndReclaimOnDrawEnabled;
}
@Override
@@ -218,7 +247,9 @@ public class JoglCanvasRenderer implements CanvasRenderer {
public boolean draw() {
// set up context for rendering this canvas
- makeCurrentContext();
+ if (_contextDropAndReclaimOnDrawEnabled) {
+ makeCurrentContext();
+ }
// Enable Debugging if requested.
if (_useDebug != _debugEnabled) {
@@ -272,7 +303,9 @@ public class JoglCanvasRenderer implements CanvasRenderer {
// release the context if we're done (swapped and all)
if (_doSwap) {
- releaseCurrentContext();
+ if (_contextDropAndReclaimOnDrawEnabled) {
+ releaseCurrentContext();
+ }
}
return drew;