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Canned support for FPS display by the frame manager; it just can't manage

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the dirty regions effectively.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@2500 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Michael Bayne
2003-04-29 18:14:37 +00:00
parent 82d3a89e97
commit 83cdc0b0fb
1 changed files with 17 additions and 121 deletions
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src/java/com/threerings/media/FrameManager.java
+17 -121
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@@ -1,5 +1,5 @@
//
// $Id: FrameManager.java,v 1.37 2003/04/26 17:56:25 mdb Exp $
// $Id: FrameManager.java,v 1.38 2003/04/29 18:14:37 mdb Exp $
package com.threerings.media;
@@ -99,15 +99,6 @@ import com.threerings.media.timer.SystemMediaTimer;
*/
public abstract class FrameManager
{
/** {@link FrameParticipant}s can implement this interface and be
* added to the performance display. */
public static interface PerformanceProvider
{
/** Returns a string that will be appended to the debug
* performance display drawn on top of the frame. */
public void getPerformanceStatus (StringBuffer buf);
}
/**
* Creates a frame manager that will use a {@link SystemMediaTimer} to
* obtain timing information, which is available on every platform,
@@ -162,10 +153,6 @@ public abstract class FrameManager
// handle repaints
_remgr.setDoubleBufferingEnabled(false);
// register a debug hook to toggle the frame rate display
DebugChords.registerHook(
FPS_DISPLAY_MODMASK, FPS_DISPLAY_KEYCODE, FPS_DISPLAY_HOOK);
if (DEBUG_EVENTS) {
addTestListeners();
}
@@ -335,6 +322,22 @@ public abstract class FrameManager
return (_ticker != null);
}
/**
* Returns the number of ticks executed in the last second.
*/
public int getPerfTicks ()
{
return Math.round(_fps[1]);
}
/**
* Returns the number of ticks requested in the last second.
*/
public int getPerfTries ()
{
return Math.round(_fps[0]);
}
/**
* Called to perform the frame processing and rendering.
*/
@@ -371,17 +374,9 @@ public abstract class FrameManager
Log.logStackTrace(t);
}
if (_displayPerf) {
startPerformanceStatusTick();
}
// tick all of our frame participants
_participantTickOp.setTickStamp(tickStamp);
_participants.apply(_participantTickOp);
if (_displayPerf) {
finishPerformanceStatusTick();
}
}
/**
@@ -409,14 +404,6 @@ public abstract class FrameManager
// repainted since the last tick
boolean pcomp = _remgr.paintComponents(gfx, this);
if (ppart || pcomp) {
if (_displayPerf && _perfLabel != null) {
// render the current performance status
gfx.setClip(null);
_perfLabel.render(gfx, FPS_X, FPS_Y);
}
}
// let the caller know if anybody painted anything
return (ppart || pcomp);
}
@@ -427,54 +414,6 @@ public abstract class FrameManager
*/
protected abstract void restoreFromBack (Rectangle dirty);
/**
* If frame rate display is enabled, builds beginning of performance
* status display.
*/
protected void startPerformanceStatusTick ()
{
if (_perfTicks++ % 100 == 0) {
_perfStatus = new StringBuffer();
_perfStatus.append("[FPS: ");
_perfStatus.append(Math.round(_fps[1])).append("/");
_perfStatus.append(Math.round(_fps[0]));
if (_perfLabel == null) {
_perfLabel = new Label(
"", Label.OUTLINE, Color.white, Color.black,
new Font("Arial", Font.PLAIN, 10));
}
}
}
/**
* If frame rate display is enabled, prepares to render new
* performance status if it has changed.
*/
protected void finishPerformanceStatusTick ()
{
if (_perfStatus == null) {
return;
}
_perfStatus.append("]");
_perfLabel.setText(_perfStatus.toString());
_perfStatus = null;
// dirty our previous bounds
JComponent comp = (JComponent)_frame.getRootPane();
Dimension lsize = _perfLabel.getSize();
_remgr.addDirtyRegion(comp, FPS_X, FPS_Y, lsize.width, lsize.height);
// re-layout our status label
Graphics2D gfx = (Graphics2D)_frame.getGraphics();
_perfLabel.layout(gfx);
gfx.dispose();
// dirty our new bounds
lsize = _perfLabel.getSize();
_remgr.addDirtyRegion(comp, FPS_X, FPS_Y, lsize.width, lsize.height);
}
/**
* Renders all components in all {@link JLayeredPane} layers that
* intersect the supplied bounds.
@@ -583,15 +522,6 @@ public abstract class FrameManager
start = System.currentTimeMillis();
}
// if this frame participant is a performance provider,
// let the add their business to the performance status
if ((_perfStatus != null) &&
(observer instanceof PerformanceProvider)) {
_perfStatus.append(", ");
((PerformanceProvider)
observer).getPerformanceStatus(_perfStatus);
}
((FrameParticipant)observer).tick(_tickStamp);
if (HANG_DEBUG) {
@@ -806,18 +736,6 @@ public abstract class FrameManager
* "layered" components. */
protected boolean[] _clipped = new boolean[1];
/** The label used to render peformance status. */
protected Label _perfLabel;
/** Used to build the performance status text. */
protected StringBuffer _perfStatus;
/** Used when reporting performance status. */
protected int _perfTicks;
/** Whether the performance status display is enabled. */
protected boolean _displayPerf;
/** The entites that are ticked each frame. */
protected ObserverList _participants =
new ObserverList(ObserverList.FAST_UNSAFE_NOTIFY);
@@ -840,12 +758,6 @@ public abstract class FrameManager
* long. */
protected static final boolean HANG_DEBUG = false;
/** The x-coordinate at which the frames per second is rendered. */
protected static final int FPS_X = 5;
/** The y-coordinate at which the frames per second is rendered. */
protected static final int FPS_Y = 27;
/** A debug hook that toggles debug rendering of sprite paths. */
protected static RuntimeAdjust.BooleanAdjust _useFlip =
new RuntimeAdjust.BooleanAdjust(
@@ -854,22 +766,6 @@ public abstract class FrameManager
"[requires restart]", "narya.media.frame",
MediaPrefs.config, false);
/** A debug hook that allows toggling the frame rate display. */
protected DebugChords.Hook FPS_DISPLAY_HOOK = new DebugChords.Hook() {
public void invoke () {
_displayPerf = !_displayPerf;
Log.info((_displayPerf ? "Enabling" : "Disabling") +
" performance status display.");
}
};
/** The modifiers for our frame rate display debug hook (Alt+Shift). */
protected static int FPS_DISPLAY_MODMASK =
KeyEvent.ALT_DOWN_MASK|KeyEvent.SHIFT_DOWN_MASK;
/** The key code for our frame rate display debug hook (f). */
protected static int FPS_DISPLAY_KEYCODE = KeyEvent.VK_F;
/** Whether to enable AWT event debugging for the frame. */
protected static final boolean DEBUG_EVENTS = false;
}