Don't account for scrollX/Y when drawing a display list in a layer. (a7dabcd3) · Commits · e / os / android_frameworks_base

core/java/android/view/ViewGroup.java

+8 −3

Original line number	Diff line number	Diff line
		@@ -2522,8 +2522,10 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		layerFlags \|= Canvas.CLIP_TO_LAYER_SAVE_FLAG;
		}
		if (layerType == LAYER_TYPE_NONE) {
		canvas.saveLayerAlpha(sx, sy, sx + cr - cl, sy + cb - ct,
		multipliedAlpha, layerFlags);
		final int scrollX = hasDisplayList ? 0 : sx;
		final int scrollY = hasDisplayList ? 0 : sy;
		canvas.saveLayerAlpha(scrollX, scrollY, scrollX + cr - cl,
		scrollY + cb - ct, multipliedAlpha, layerFlags);
		}
		} else {
		// Alpha is handled by the child directly, clobber the layer's alpha
		@@ -2561,7 +2563,10 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
		((HardwareCanvas) canvas).drawHardwareLayer(layer, 0, 0, child.mLayerPaint);
		layerRendered = true;
		} else {
		canvas.saveLayer(sx, sy, sx + cr - cl, sy + cb - ct, child.mLayerPaint,
		final int scrollX = hasDisplayList ? 0 : sx;
		final int scrollY = hasDisplayList ? 0 : sy;
		canvas.saveLayer(scrollX, scrollY,
		scrollX + cr - cl, scrollY + cb - ct, child.mLayerPaint,
		Canvas.HAS_ALPHA_LAYER_SAVE_FLAG \| Canvas.CLIP_TO_LAYER_SAVE_FLAG);
		}
		}