Allocate textures in multiples of LAYER_SIZE.

This matches the behavior of the old HWUI renderer and avoids
jank when trying to release a series of small textures.

Test: UiBenchJankTests #testResizeHwLayer
Bug: 69566781
Change-Id: Idc01f8438e85d4810032fd30a141132a6cdd47a1

1 files changed, 7 insertions, 1 deletions

diff --git a/libs/hwui/pipeline/skia/RenderNodeDrawable.cpp b/libs/hwui/pipeline/skia/RenderNodeDrawable.cpp
index 845acc0fc0b2..e2f02df62b30 100644
--- a/libs/hwui/pipeline/skia/RenderNodeDrawable.cpp
+++ b/libs/hwui/pipeline/skia/RenderNodeDrawable.cpp
@@ -205,7 +205,13 @@ void RenderNodeDrawable::drawContent(SkCanvas* canvas) const {
             if (layerNeedsPaint(layerProperties, alphaMultiplier, &tmpPaint)) {
                 paint = &tmpPaint;
             }
-            renderNode->getLayerSurface()->draw(canvas, 0, 0, paint);
+
+            // surfaces for layers are created on LAYER_SIZE boundaries (which are >= layer size) so
+            // we need to restrict the portion of the surface drawn to the size of the renderNode.
+            SkASSERT(renderNode->getLayerSurface()->width() >= bounds.width());
+            SkASSERT(renderNode->getLayerSurface()->height() >= bounds.height());
+            canvas->drawImageRect(renderNode->getLayerSurface()->makeImageSnapshot().get(),
+                                  bounds, bounds, paint);
 
             if (!renderNode->getSkiaLayer()->hasRenderedSinceRepaint) {
                 renderNode->getSkiaLayer()->hasRenderedSinceRepaint = true;