Bug 708519 - Pref off the frame rate meter r=kats

This commit is contained in:
Patrick Walton 2011-12-09 10:01:31 -05:00
parent 8b55bb8f19
commit e3e31fa399

View File

@ -49,6 +49,7 @@ import org.mozilla.gecko.gfx.TextureReaper;
import org.mozilla.gecko.gfx.TextLayer;
import org.mozilla.gecko.gfx.TileLayer;
import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Point;
import android.graphics.PointF;
import android.graphics.Rect;
@ -89,6 +90,7 @@ public class LayerRenderer implements GLSurfaceView.Renderer {
// Dropped frames display
private int[] mFrameTimings;
private int mCurrentFrame, mFrameTimingsSum, mDroppedFrames;
private boolean mShowFrameRate;
public LayerRenderer(LayerView view) {
mView = view;
@ -109,9 +111,12 @@ public class LayerRenderer implements GLSurfaceView.Renderer {
mFrameTimings = new int[60];
mCurrentFrame = mFrameTimingsSum = mDroppedFrames = 0;
mShowFrameRate = false;
}
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
checkFrameRateMonitorEnabled();
gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
gl.glClearDepthf(1.0f); /* FIXME: Is this needed? */
gl.glHint(GL10.GL_PERSPECTIVE_CORRECTION_HINT, GL10.GL_FASTEST);
@ -177,12 +182,14 @@ public class LayerRenderer implements GLSurfaceView.Renderer {
mHorizScrollLayer.draw(pageContext);
/* Draw the FPS. */
updateDroppedFrames(frameStartTime);
try {
gl.glEnable(GL10.GL_BLEND);
mFrameRateLayer.draw(screenContext);
} finally {
gl.glDisable(GL10.GL_BLEND);
if (mShowFrameRate) {
updateDroppedFrames(frameStartTime);
try {
gl.glEnable(GL10.GL_BLEND);
mFrameRateLayer.draw(screenContext);
} finally {
gl.glDisable(GL10.GL_BLEND);
}
}
PanningPerfAPI.recordFrameTime();
@ -280,4 +287,16 @@ public class LayerRenderer implements GLSurfaceView.Renderer {
mFrameRateLayer.endTransaction();
}
}
private void checkFrameRateMonitorEnabled() {
/* Do this I/O off the main thread to minimize its impact on startup time. */
new Thread(new Runnable() {
@Override
public void run() {
Context context = mView.getContext();
SharedPreferences preferences = context.getSharedPreferences("GeckoApp", 0);
mShowFrameRate = preferences.getBoolean("showFrameRate", false);
}
}).run();
}
}