diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
index 7a10769..a974dc4 100644
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ b/services/surfaceflinger/BufferStateLayer.cpp
@@ -278,8 +278,9 @@
     return stateUpdateAvailable;
 }
 
-Rect BufferStateLayer::getCrop(const Layer::State& s) const {
-    return s.crop;
+// Crop that applies to the window
+Rect BufferStateLayer::getCrop(const Layer::State& /*s*/) const {
+    return Rect::INVALID_RECT;
 }
 
 bool BufferStateLayer::setTransform(uint32_t transform) {
@@ -300,53 +301,57 @@
 }
 
 bool BufferStateLayer::setCrop(const Rect& crop) {
-    if (mCurrentState.crop == crop) return false;
-    mCurrentState.sequence++;
-    mCurrentState.crop = crop;
+    Rect c = crop;
+    if (c.left < 0) {
+        c.left = 0;
+    }
+    if (c.top < 0) {
+        c.top = 0;
+    }
+    // If the width and/or height are < 0, make it [0, 0, -1, -1] so the equality comparision below
+    // treats all invalid rectangles the same.
+    if (!c.isValid()) {
+        c.makeInvalid();
+    }
 
+    if (mCurrentState.crop == c) return false;
+    mCurrentState.crop = c;
     mCurrentState.modified = true;
     setTransactionFlags(eTransactionNeeded);
     return true;
 }
 
-bool BufferStateLayer::setMatrix(const layer_state_t::matrix22_t& matrix,
-                                 bool allowNonRectPreservingTransforms) {
-    if (mCurrentState.transform.dsdx() == matrix.dsdx &&
-        mCurrentState.transform.dtdy() == matrix.dtdy &&
-        mCurrentState.transform.dtdx() == matrix.dtdx &&
-        mCurrentState.transform.dsdy() == matrix.dsdy) {
+bool BufferStateLayer::setFrame(const Rect& frame) {
+    int x = frame.left;
+    int y = frame.top;
+    int w = frame.getWidth();
+    int h = frame.getHeight();
+
+    if (x < 0) {
+        x = 0;
+        w = frame.right;
+    }
+
+    if (y < 0) {
+        y = 0;
+        h = frame.bottom;
+    }
+
+    if (mCurrentState.transform.tx() == x && mCurrentState.transform.ty() == y &&
+        mCurrentState.width == w && mCurrentState.height == h) {
         return false;
     }
 
-    ui::Transform t;
-    t.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
-
-    if (!allowNonRectPreservingTransforms && !t.preserveRects()) {
-        ALOGW("Attempt to set rotation matrix without permission ACCESS_SURFACE_FLINGER nor "
-              "ROTATE_SURFACE_FLINGER ignored");
-        return false;
+    if (!frame.isValid()) {
+        x = y = w = h = 0;
     }
-
-    mCurrentState.transform.set(matrix.dsdx, matrix.dtdy, matrix.dtdx, matrix.dsdy);
-
-    mCurrentState.sequence++;
-    mCurrentState.modified = true;
-    setTransactionFlags(eTransactionNeeded);
-
-    return true;
-}
-
-bool BufferStateLayer::setPosition(float x, float y) {
-    if (mCurrentState.transform.tx() == x && mCurrentState.transform.ty() == y) {
-        return false;
-    }
-
     mCurrentState.transform.set(x, y);
+    mCurrentState.width = w;
+    mCurrentState.height = h;
 
     mCurrentState.sequence++;
     mCurrentState.modified = true;
     setTransactionFlags(eTransactionNeeded);
-
     return true;
 }
 
@@ -423,10 +428,6 @@
         mFlinger->mFrameTracer->traceTimestamp(layerId, bufferId, frameNumber, postTime,
                                                FrameTracer::FrameEvent::QUEUE);
     }
-
-    mCurrentState.width = mCurrentState.buffer->width;
-    mCurrentState.height = mCurrentState.buffer->height;
-
     return true;
 }
 
@@ -854,6 +855,33 @@
     return layer;
 }
 
+Layer::RoundedCornerState BufferStateLayer::getRoundedCornerState() const {
+    const auto& p = mDrawingParent.promote();
+    if (p != nullptr) {
+        RoundedCornerState parentState = p->getRoundedCornerState();
+        if (parentState.radius > 0) {
+            ui::Transform t = getActiveTransform(getDrawingState());
+            t = t.inverse();
+            parentState.cropRect = t.transform(parentState.cropRect);
+            // The rounded corners shader only accepts 1 corner radius for performance reasons,
+            // but a transform matrix can define horizontal and vertical scales.
+            // Let's take the average between both of them and pass into the shader, practically we
+            // never do this type of transformation on windows anyway.
+            parentState.radius *= (t[0][0] + t[1][1]) / 2.0f;
+            return parentState;
+        }
+    }
+    const float radius = getDrawingState().cornerRadius;
+    const State& s(getDrawingState());
+    if (radius <= 0 || (getActiveWidth(s) == UINT32_MAX && getActiveHeight(s) == UINT32_MAX))
+        return RoundedCornerState();
+    return RoundedCornerState(FloatRect(static_cast<float>(s.transform.tx()),
+                                        static_cast<float>(s.transform.ty()),
+                                        static_cast<float>(s.transform.tx() + s.width),
+                                        static_cast<float>(s.transform.ty() + s.height)),
+                              radius);
+}
+
 bool BufferStateLayer::bufferNeedsFiltering() const {
     const State& s(getDrawingState());
     if (!s.buffer) {