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-rw-r--r--libs/hwui/Matrix.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/libs/hwui/Matrix.cpp b/libs/hwui/Matrix.cpp
index 7462d5bae208..fe7f8834a8b2 100644
--- a/libs/hwui/Matrix.cpp
+++ b/libs/hwui/Matrix.cpp
@@ -62,6 +62,11 @@ bool Matrix4::changesBounds() {
ALMOST_EQUAL(data[10], 1.0f));
}
+bool Matrix4::isPureTranslate() {
+ return mSimpleMatrix &&
+ ALMOST_EQUAL(data[kScaleX], 1.0f) && ALMOST_EQUAL(data[kScaleY], 1.0f);
+}
+
void Matrix4::load(const float* v) {
memcpy(data, v, sizeof(data));
mSimpleMatrix = false;