Allow disabling layer rotation during screenshots

Add the ability to ignore layers' transformation matrices during
screenshot capture, which will allow the window manager to capture
unrotated images for recents during the device rotation animation.

Bug: 11805195
Change-Id: I854d87bc84ca06ef9a054a454af1c080ee66fbb8

1 files changed, 3 insertions, 2 deletions

diff --git a/services/surfaceflinger/LayerDim.cpp b/services/surfaceflinger/LayerDim.cpp
index 4e82babdb4..14aa328fef 100644
--- a/services/surfaceflinger/LayerDim.cpp
+++ b/services/surfaceflinger/LayerDim.cpp
@@ -39,12 +39,13 @@ LayerDim::LayerDim(SurfaceFlinger* flinger, const sp<Client>& client,
 LayerDim::~LayerDim() {
 }
 
-void LayerDim::onDraw(const sp<const DisplayDevice>& hw, const Region& clip) const
+void LayerDim::onDraw(const sp<const DisplayDevice>& hw,
+        const Region& /* clip */, bool useIdentityTransform) const
 {
     const State& s(getDrawingState());
     if (s.alpha>0) {
         Mesh mesh(Mesh::TRIANGLE_FAN, 4, 2);
-        computeGeometry(hw, mesh);
+        computeGeometry(hw, mesh, useIdentityTransform);
         RenderEngine& engine(mFlinger->getRenderEngine());
         engine.setupDimLayerBlending(s.alpha);
         engine.drawMesh(mesh);