Include color layers in input list to fix tapjacking vulnerability

We can use this to compute occlusion more accurately in inputdispatcher.

Bug: 277076451
Test: app-debug.apk in the bug
Test: go/wm-smoke
Flag: EXEMPT bugfix
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:1f0301b3f1061cb89d9628bbb1d2b4594f4f29dc)
Merged-In: I1e155bcf4a6a7ff1b49338ec21bb0e9ee05a54c8
Change-Id: I1e155bcf4a6a7ff1b49338ec21bb0e9ee05a54c8

1 files changed, 9 insertions, 0 deletions

diff --git a/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp b/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp
index 621fd6c00e..a469fc52fa 100644
--- a/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp
+++ b/services/surfaceflinger/FrontEnd/RequestedLayerState.cpp
@@ -594,6 +594,15 @@ bool RequestedLayerState::fillsColor() const {
             color.b >= 0.0_hf;
 }
 
+bool RequestedLayerState::hasBufferOrSidebandStream() const {
+    return ((sidebandStream != nullptr) || (externalTexture != nullptr));
+}
+
+bool RequestedLayerState::fillsColor() const {
+    return !hasBufferOrSidebandStream() && color.r >= 0.0_hf && color.g >= 0.0_hf &&
+            color.b >= 0.0_hf;
+}
+
 bool RequestedLayerState::hasBlur() const {
     return backgroundBlurRadius > 0 || blurRegions.size() > 0;
 }