Add support for skew()
Change-Id: Ia3a9a867f74fd78b61f75179e3788fdc2f0cacd0
diff --git a/libs/hwui/Matrix.cpp b/libs/hwui/Matrix.cpp
index fe7f883..e7c0fe3 100644
--- a/libs/hwui/Matrix.cpp
+++ b/libs/hwui/Matrix.cpp
@@ -178,6 +178,24 @@
data[kScaleZ] = sz;
}
+void Matrix4::loadSkew(float sx, float sy) {
+ loadIdentity();
+
+ data[kScaleX] = 1.0f;
+ data[kSkewX] = sx;
+ data[kTranslateX] = 0.0f;
+
+ data[kSkewY] = sy;
+ data[kScaleY] = 1.0f;
+ data[kTranslateY] = 0.0f;
+
+ data[kPerspective0] = 0.0f;
+ data[kPerspective1] = 0.0f;
+ data[kPerspective2] = 1.0f;
+
+ mSimpleMatrix = false;
+}
+
void Matrix4::loadRotate(float angle, float x, float y, float z) {
data[kPerspective0] = 0.0f;
data[kPerspective1] = 0.0f;