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-rw-r--r--core/java/android/view/SurfaceView.java204
1 files changed, 103 insertions, 101 deletions
diff --git a/core/java/android/view/SurfaceView.java b/core/java/android/view/SurfaceView.java
index 78c71b856e2c..d9d8177d58c1 100644
--- a/core/java/android/view/SurfaceView.java
+++ b/core/java/android/view/SurfaceView.java
@@ -927,6 +927,102 @@ public class SurfaceView extends View implements ViewRootImpl.SurfaceChangedCall
}
}
+ private boolean performSurfaceTransaction(ViewRootImpl viewRoot, Translator translator,
+ boolean creating, boolean sizeChanged, boolean needBLASTSync) {
+ boolean realSizeChanged = false;
+ mSurfaceLock.lock();
+ try {
+ mDrawingStopped = !mVisible;
+
+ if (DEBUG) Log.i(TAG, System.identityHashCode(this) + " "
+ + "Cur surface: " + mSurface);
+
+ // If we are creating the surface control or the parent surface has not
+ // changed, then set relative z. Otherwise allow the parent
+ // SurfaceChangedCallback to update the relative z. This is needed so that
+ // we do not change the relative z before the server is ready to swap the
+ // parent surface.
+ if (creating || (mParentSurfaceGenerationId
+ == viewRoot.mSurface.getGenerationId())) {
+ updateRelativeZ(mTmpTransaction);
+ }
+ mParentSurfaceGenerationId = viewRoot.mSurface.getGenerationId();
+
+ if (mViewVisibility) {
+ mTmpTransaction.show(mSurfaceControl);
+ } else {
+ mTmpTransaction.hide(mSurfaceControl);
+ }
+
+ if (mSurfacePackage != null) {
+ reparentSurfacePackage(mTmpTransaction, mSurfacePackage);
+ }
+
+ updateBackgroundVisibility(mTmpTransaction);
+ updateBackgroundColor(mTmpTransaction);
+ if (mUseAlpha) {
+ float alpha = getFixedAlpha();
+ mTmpTransaction.setAlpha(mSurfaceControl, alpha);
+ mSurfaceAlpha = alpha;
+ }
+
+ // While creating the surface, we will set it's initial
+ // geometry. Outside of that though, we should generally
+ // leave it to the RenderThread.
+ //
+ // There is one more case when the buffer size changes we aren't yet
+ // prepared to sync (as even following the transaction applying
+ // we still need to latch a buffer).
+ // b/28866173
+ if (sizeChanged || creating || !mRtHandlingPositionUpdates) {
+ onSetSurfacePositionAndScaleRT(mTmpTransaction, mSurfaceControl,
+ mScreenRect.left, /*positionLeft*/
+ mScreenRect.top /*positionTop*/ ,
+ mScreenRect.width() / (float) mSurfaceWidth /*postScaleX*/,
+ mScreenRect.height() / (float) mSurfaceHeight /*postScaleY*/);
+
+ // Set a window crop when creating the surface or changing its size to
+ // crop the buffer to the surface size since the buffer producer may
+ // use SCALING_MODE_SCALE and submit a larger size than the surface
+ // size.
+ if (mClipSurfaceToBounds && mClipBounds != null) {
+ mTmpTransaction.setWindowCrop(mSurfaceControl, mClipBounds);
+ } else {
+ mTmpTransaction.setWindowCrop(mSurfaceControl, mSurfaceWidth,
+ mSurfaceHeight);
+ }
+ } else if (needBLASTSync) {
+ viewRoot.setUseBLASTSyncTransaction();
+ }
+ mTmpTransaction.setCornerRadius(mSurfaceControl, mCornerRadius);
+ if (sizeChanged && !creating) {
+ setBufferSize(mTmpTransaction);
+ }
+
+ mTmpTransaction.apply();
+ updateScreenMatrixForEmbeddedHierarchy();
+ mSurfaceFrame.left = 0;
+ mSurfaceFrame.top = 0;
+ if (translator == null) {
+ mSurfaceFrame.right = mSurfaceWidth;
+ mSurfaceFrame.bottom = mSurfaceHeight;
+ } else {
+ float appInvertedScale = translator.applicationInvertedScale;
+ mSurfaceFrame.right = (int) (mSurfaceWidth * appInvertedScale + 0.5f);
+ mSurfaceFrame.bottom = (int) (mSurfaceHeight * appInvertedScale + 0.5f);
+ }
+ final int surfaceWidth = mSurfaceFrame.right;
+ final int surfaceHeight = mSurfaceFrame.bottom;
+ realSizeChanged = mLastSurfaceWidth != surfaceWidth
+ || mLastSurfaceHeight != surfaceHeight;
+ mLastSurfaceWidth = surfaceWidth;
+ mLastSurfaceHeight = surfaceHeight;
+ } finally {
+ mSurfaceLock.unlock();
+ }
+ return realSizeChanged;
+ }
+
/** @hide */
protected void updateSurface() {
if (!mHaveFrame) {
@@ -965,7 +1061,6 @@ public class SurfaceView extends View implements ViewRootImpl.SurfaceChangedCall
&& mRequestedVisible;
final boolean sizeChanged = mSurfaceWidth != myWidth || mSurfaceHeight != myHeight;
final boolean windowVisibleChanged = mWindowVisibility != mLastWindowVisibility;
- boolean redrawNeeded = false;
getLocationInSurface(mLocation);
final boolean positionChanged = mWindowSpaceLeft != mLocation[0]
|| mWindowSpaceTop != mLocation[1];
@@ -1014,108 +1109,15 @@ public class SurfaceView extends View implements ViewRootImpl.SurfaceChangedCall
return;
}
- boolean realSizeChanged = false;
+ final boolean needBLASTSync =
+ (layoutSizeChanged || positionChanged || visibleChanged) &&
+ viewRoot.useBLAST();
+ final boolean realSizeChanged = performSurfaceTransaction(viewRoot,
+ translator, creating, sizeChanged, needBLASTSync);
+ final boolean redrawNeeded = sizeChanged || creating ||
+ (visible && !mDrawFinished);
- mSurfaceLock.lock();
try {
- mDrawingStopped = !visible;
-
- if (DEBUG) Log.i(TAG, System.identityHashCode(this) + " "
- + "Cur surface: " + mSurface);
-
- // If we are creating the surface control or the parent surface has not
- // changed, then set relative z. Otherwise allow the parent
- // SurfaceChangedCallback to update the relative z. This is needed so that
- // we do not change the relative z before the server is ready to swap the
- // parent surface.
- if (creating || (mParentSurfaceGenerationId
- == viewRoot.mSurface.getGenerationId())) {
- updateRelativeZ(mTmpTransaction);
- }
- mParentSurfaceGenerationId = viewRoot.mSurface.getGenerationId();
-
- if (mViewVisibility) {
- mTmpTransaction.show(mSurfaceControl);
- } else {
- mTmpTransaction.hide(mSurfaceControl);
- }
-
- if (mSurfacePackage != null) {
- reparentSurfacePackage(mTmpTransaction, mSurfacePackage);
- }
-
- updateBackgroundVisibility(mTmpTransaction);
- updateBackgroundColor(mTmpTransaction);
- if (mUseAlpha) {
- mTmpTransaction.setAlpha(mSurfaceControl, alpha);
- mSurfaceAlpha = alpha;
- }
-
- // While creating the surface, we will set it's initial
- // geometry. Outside of that though, we should generally
- // leave it to the RenderThread.
- //
- // There is one more case when the buffer size changes we aren't yet
- // prepared to sync (as even following the transaction applying
- // we still need to latch a buffer).
- // b/28866173
- if (sizeChanged || creating || !mRtHandlingPositionUpdates) {
- onSetSurfacePositionAndScaleRT(mTmpTransaction, mSurfaceControl,
- mScreenRect.left, /*positionLeft*/
- mScreenRect.top /*positionTop*/ ,
- mScreenRect.width() / (float) mSurfaceWidth /*postScaleX*/,
- mScreenRect.height() / (float) mSurfaceHeight /*postScaleY*/);
-
- // Set a window crop when creating the surface or changing its size to
- // crop the buffer to the surface size since the buffer producer may
- // use SCALING_MODE_SCALE and submit a larger size than the surface
- // size.
- if (mClipSurfaceToBounds && mClipBounds != null) {
- mTmpTransaction.setWindowCrop(mSurfaceControl, mClipBounds);
- } else {
- mTmpTransaction.setWindowCrop(mSurfaceControl, mSurfaceWidth,
- mSurfaceHeight);
- }
- } else if ((layoutSizeChanged || positionChanged || visibleChanged) &&
- viewRoot.useBLAST()) {
- viewRoot.setUseBLASTSyncTransaction();
- }
- mTmpTransaction.setCornerRadius(mSurfaceControl, mCornerRadius);
- if (sizeChanged && !creating) {
- setBufferSize(mTmpTransaction);
- }
-
- mTmpTransaction.apply();
- updateScreenMatrixForEmbeddedHierarchy();
-
- if (sizeChanged || creating) {
- redrawNeeded = true;
- }
-
- mSurfaceFrame.left = 0;
- mSurfaceFrame.top = 0;
- if (translator == null) {
- mSurfaceFrame.right = mSurfaceWidth;
- mSurfaceFrame.bottom = mSurfaceHeight;
- } else {
- float appInvertedScale = translator.applicationInvertedScale;
- mSurfaceFrame.right = (int) (mSurfaceWidth * appInvertedScale + 0.5f);
- mSurfaceFrame.bottom = (int) (mSurfaceHeight * appInvertedScale + 0.5f);
- }
-
- final int surfaceWidth = mSurfaceFrame.right;
- final int surfaceHeight = mSurfaceFrame.bottom;
- realSizeChanged = mLastSurfaceWidth != surfaceWidth
- || mLastSurfaceHeight != surfaceHeight;
- mLastSurfaceWidth = surfaceWidth;
- mLastSurfaceHeight = surfaceHeight;
- } finally {
- mSurfaceLock.unlock();
- }
-
- try {
- redrawNeeded |= visible && !mDrawFinished;
-
SurfaceHolder.Callback[] callbacks = null;
final boolean surfaceChanged = creating;
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-04 21:45:16 +0000