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Android: Make lcd updates synchronous, doesn't make it faster but smoother (no updates are skipped) and guaranteed to be glitch free.

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test_fps can also now report reasonable numbers: ~62 fps for both 1/1 and 1/4 updates (was 300-400 previously).

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28728 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2010-12-02 23:50:50 +00:00
parent 1d425bf1e6
commit 55b58a3f30
2 changed files with 43 additions and 25 deletions
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23
android/src/org/rockbox/RockboxFramebuffer.java
View file

@ -28,6 +28,7 @@ import org.rockbox.Helper.MediaButtonReceiver;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.KeyEvent;
@ -38,6 +39,7 @@ import android.view.ViewConfiguration;
public class RockboxFramebuffer extends View
{
private Bitmap btm;
private Rect rect;
private ByteBuffer native_buf;
private MediaButtonReceiver media_monitor;
private final DisplayMetrics metrics;
@ -52,6 +54,7 @@ public class RockboxFramebuffer extends View
setFocusableInTouchMode(true);
setClickable(true);
btm = Bitmap.createBitmap(lcd_width, lcd_height, Bitmap.Config.RGB_565);
rect = new Rect();
native_buf = native_fb;
media_monitor = new MediaButtonReceiver(c);
media_monitor.register();
@ -64,22 +67,11 @@ public class RockboxFramebuffer extends View
public void onDraw(Canvas c)
{
c.drawBitmap(btm, 0.0f, 0.0f, null);
}
@SuppressWarnings("unused")
private void java_lcd_update()
{
/* can't copy a partial buffer :( */
btm.copyPixelsFromBuffer(native_buf);
postInvalidate();
}
@SuppressWarnings("unused")
private void java_lcd_update_rect(int x, int y, int w, int h)
{
/* can't copy a partial buffer */
btm.copyPixelsFromBuffer(native_buf);
postInvalidate(x, y, x+w, y+h);
c.getClipBounds(rect);
c.drawBitmap(btm, rect, rect, null);
post_update_done();
}
@SuppressWarnings("unused")
@ -152,6 +144,7 @@ public class RockboxFramebuffer extends View
return view_config.getScaledTouchSlop();
}
private native void post_update_done();
private native void set_lcd_active(int active);
private native void touchHandler(boolean down, int x, int y);
private native boolean buttonHandler(int keycode, boolean state);