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Port magnifier widget to BLAST

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It is one of the last users of deferTransactionUntil which we
are hoping to remove in the server (and gain some CPU usage wins
in the process).

Bug: 168505645
Test: Existing tests pass
Change-Id: I2ba66caf7b0eaf2ed7d4fe896d7dc58f57c6e37f
This commit is contained in:
Robert Carr
2021-03-11 21:18:41 -08:00
parent 5cf8e9d226
commit fcdbf71fe6
1 changed files with 11 additions and 11 deletions
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22
core/java/android/widget/Magnifier.java
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@@ -30,6 +30,7 @@ import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.BLASTBufferQueue;
import android.graphics.Insets;
import android.graphics.Outline;
import android.graphics.Paint;
@@ -938,6 +939,7 @@ public final class Magnifier {
// The surface we allocate for the magnifier content + shadow.
private final SurfaceSession mSurfaceSession;
private final SurfaceControl mSurfaceControl;
private final BLASTBufferQueue mBBQ;
private final SurfaceControl.Transaction mTransaction = new SurfaceControl.Transaction();
private final Surface mSurface;
// The renderer used for the allocated surface.
@@ -1004,15 +1006,15 @@ public final class Magnifier {
final int surfaceHeight = mContentHeight + 2 * mOffsetY;
mSurfaceSession = new SurfaceSession();
mSurfaceControl = new SurfaceControl.Builder(mSurfaceSession)
.setFormat(PixelFormat.TRANSLUCENT)
.setBufferSize(surfaceWidth, surfaceHeight)
.setName("magnifier surface")
.setFlags(SurfaceControl.HIDDEN)
.setBLASTLayer()
.setParent(parentSurfaceControl)
.setCallsite("InternalPopupWindow")
.build();
mSurface = new Surface();
mSurface.copyFrom(mSurfaceControl);
mBBQ = new BLASTBufferQueue("magnifier surface", mSurfaceControl,
surfaceWidth, surfaceHeight, PixelFormat.TRANSLUCENT);
mSurface = mBBQ.createSurface();
// Setup the RenderNode tree. The root has two children, one containing the bitmap
// and one containing the overlay. We use a separate render node for the overlay
@@ -1071,9 +1073,8 @@ public final class Magnifier {
}
if (mContentHeight < contentHeight) {
// Grows the surface height as necessary.
new SurfaceControl.Transaction().setBufferSize(
mSurfaceControl, mContentWidth, contentHeight).apply();
mSurface.copyFrom(mSurfaceControl);
mBBQ.update(mSurfaceControl, mContentWidth, contentHeight,
PixelFormat.TRANSLUCENT);
mRenderer.setSurface(mSurface);
final Outline outline = new Outline();
@@ -1268,6 +1269,7 @@ public final class Magnifier {
// Destroy the renderer. This will not proceed until pending frame callbacks complete.
mRenderer.destroy();
mSurface.destroy();
mBBQ.destroy();
new SurfaceControl.Transaction().remove(mSurfaceControl).apply();
mSurfaceSession.kill();
mHandler.removeCallbacks(mMagnifierUpdater);
@@ -1334,9 +1336,6 @@ public final class Magnifier {
if (!mSurface.isValid()) {
return;
}
// Show or move the window at the content draw frame.
mTransaction.deferTransactionUntil(mSurfaceControl, mSurfaceControl,
frame);
if (updateWindowPosition) {
mTransaction.setPosition(mSurfaceControl, pendingX, pendingY);
}
@@ -1345,7 +1344,8 @@ public final class Magnifier {
.show(mSurfaceControl);
}
mTransaction.apply();
// Show or move the window at the content draw frame.
mBBQ.mergeWithNextTransaction(mTransaction, frame);
};
if (!mIsFishEyeStyle) {
// The new style magnifier doesn't need the light/shadow.