New setLocalMatrix() operation for HWUI
Concats any matrix passed through from DisplayListCanvas with the
initialTransform of the containing RenderNode.
BUG:22189925
Change-Id: I5ea54a6e2a29520c79a8860bde7682694e8595d2
diff --git a/libs/hwui/OpenGLRenderer.h b/libs/hwui/OpenGLRenderer.h
index 800a9f9..402f6ed 100755
--- a/libs/hwui/OpenGLRenderer.h
+++ b/libs/hwui/OpenGLRenderer.h
@@ -368,6 +368,7 @@
void getMatrix(SkMatrix* outMatrix) const { mState.getMatrix(outMatrix); }
void setMatrix(const SkMatrix& matrix) { mState.setMatrix(matrix); }
+ void setLocalMatrix(const SkMatrix& matrix);
void concatMatrix(const SkMatrix& matrix) { mState.concatMatrix(matrix); }
void translate(float dx, float dy, float dz = 0.0f);
@@ -418,6 +419,8 @@
return returnPath;
}
+ void setBaseTransform(const Matrix4& matrix) { mBaseTransform = matrix; }
+
protected:
/**
* Perform the setup specific to a frame. This method does not
@@ -877,6 +880,16 @@
// Paths kept alive for the duration of the frame
std::vector<std::unique_ptr<SkPath>> mTempPaths;
+ /**
+ * Initial transform for a rendering pass; transform from global device
+ * coordinates to the current RenderNode's drawing content coordinates,
+ * with the RenderNode's RenderProperty transforms already applied.
+ * Calling setMatrix(mBaseTransform) will result in drawing at the origin
+ * of the DisplayList's recorded surface prior to any Canvas
+ * transformation.
+ */
+ Matrix4 mBaseTransform;
+
friend class Layer;
friend class TextDrawFunctor;
friend class DrawBitmapOp;