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Merge "Using hardware canvas for profiling Views"

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This commit is contained in:
TreeHugger Robot
2017-10-17 22:36:31 +00:00
committed by Android (Google) Code Review
parent 37ed703d6b c10432079d
commit ca9b6775d2
1 changed files with 79 additions and 88 deletions
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167
core/java/android/view/ViewDebug.java
View File

@@ -528,84 +528,23 @@ public class ViewDebug {
/** @hide */
public static void profileViewAndChildren(final View view, BufferedWriter out)
throws IOException {
profileViewAndChildren(view, out, true);
RenderNode node = RenderNode.create("ViewDebug", null);
profileViewAndChildren(view, node, out, true);
node.destroy();
}
private static void profileViewAndChildren(final View view, BufferedWriter out, boolean root)
throws IOException {
private static void profileViewAndChildren(View view, RenderNode node, BufferedWriter out,
boolean root) throws IOException {
long durationMeasure =
(root || (view.mPrivateFlags & View.PFLAG_MEASURED_DIMENSION_SET) != 0)
? profileViewOperation(view, new ViewOperation<Void>() {
public Void[] pre() {
forceLayout(view);
return null;
}
private void forceLayout(View view) {
view.forceLayout();
if (view instanceof ViewGroup) {
ViewGroup group = (ViewGroup) view;
final int count = group.getChildCount();
for (int i = 0; i < count; i++) {
forceLayout(group.getChildAt(i));
}
}
}
public void run(Void... data) {
view.measure(view.mOldWidthMeasureSpec, view.mOldHeightMeasureSpec);
}
public void post(Void... data) {
}
})
: 0;
? profileViewMeasure(view) : 0;
long durationLayout =
(root || (view.mPrivateFlags & View.PFLAG_LAYOUT_REQUIRED) != 0)
? profileViewOperation(view, new ViewOperation<Void>() {
public Void[] pre() {
return null;
}
public void run(Void... data) {
view.layout(view.mLeft, view.mTop, view.mRight, view.mBottom);
}
public void post(Void... data) {
}
}) : 0;
? profileViewLayout(view) : 0;
long durationDraw =
(root || !view.willNotDraw() || (view.mPrivateFlags & View.PFLAG_DRAWN) != 0)
? profileViewOperation(view, new ViewOperation<Object>() {
public Object[] pre() {
final DisplayMetrics metrics =
(view != null && view.getResources() != null) ?
view.getResources().getDisplayMetrics() : null;
final Bitmap bitmap = metrics != null ?
Bitmap.createBitmap(metrics, metrics.widthPixels,
metrics.heightPixels, Bitmap.Config.RGB_565) : null;
final Canvas canvas = bitmap != null ? new Canvas(bitmap) : null;
return new Object[] {
bitmap, canvas
};
}
? profileViewDraw(view, node) : 0;
public void run(Object... data) {
if (data[1] != null) {
view.draw((Canvas) data[1]);
}
}
public void post(Object... data) {
if (data[1] != null) {
((Canvas) data[1]).setBitmap(null);
}
if (data[0] != null) {
((Bitmap) data[0]).recycle();
}
}
}) : 0;
out.write(String.valueOf(durationMeasure));
out.write(' ');
out.write(String.valueOf(durationLayout));
@@ -616,34 +555,86 @@ public class ViewDebug {
ViewGroup group = (ViewGroup) view;
final int count = group.getChildCount();
for (int i = 0; i < count; i++) {
profileViewAndChildren(group.getChildAt(i), out, false);
profileViewAndChildren(group.getChildAt(i), node, out, false);
}
}
}
interface ViewOperation<T> {
T[] pre();
void run(T... data);
void post(T... data);
private static long profileViewMeasure(final View view) {
return profileViewOperation(view, new ViewOperation() {
@Override
public void pre() {
forceLayout(view);
}
private void forceLayout(View view) {
view.forceLayout();
if (view instanceof ViewGroup) {
ViewGroup group = (ViewGroup) view;
final int count = group.getChildCount();
for (int i = 0; i < count; i++) {
forceLayout(group.getChildAt(i));
}
}
}
@Override
public void run() {
view.measure(view.mOldWidthMeasureSpec, view.mOldHeightMeasureSpec);
}
});
}
private static <T> long profileViewOperation(View view, final ViewOperation<T> operation) {
private static long profileViewLayout(View view) {
return profileViewOperation(view,
() -> view.layout(view.mLeft, view.mTop, view.mRight, view.mBottom));
}
private static long profileViewDraw(View view, RenderNode node) {
DisplayMetrics dm = view.getResources().getDisplayMetrics();
if (dm == null) {
return 0;
}
if (view.isHardwareAccelerated()) {
DisplayListCanvas canvas = node.start(dm.widthPixels, dm.heightPixels);
try {
return profileViewOperation(view, () -> view.draw(canvas));
} finally {
node.end(canvas);
}
} else {
Bitmap bitmap = Bitmap.createBitmap(
dm, dm.widthPixels, dm.heightPixels, Bitmap.Config.RGB_565);
Canvas canvas = new Canvas(bitmap);
try {
return profileViewOperation(view, () -> view.draw(canvas));
} finally {
canvas.setBitmap(null);
bitmap.recycle();
}
}
}
interface ViewOperation {
default void pre() {}
void run();
}
private static long profileViewOperation(View view, final ViewOperation operation) {
final CountDownLatch latch = new CountDownLatch(1);
final long[] duration = new long[1];
view.post(new Runnable() {
public void run() {
try {
T[] data = operation.pre();
long start = Debug.threadCpuTimeNanos();
//noinspection unchecked
operation.run(data);
duration[0] = Debug.threadCpuTimeNanos() - start;
//noinspection unchecked
operation.post(data);
} finally {
latch.countDown();
}
view.post(() -> {
try {
operation.pre();
long start = Debug.threadCpuTimeNanos();
//noinspection unchecked
operation.run();
duration[0] = Debug.threadCpuTimeNanos() - start;
} finally {
latch.countDown();
}
});