add src-rect-constraint to drawImageRect

src/pipe/SkGPipeWrite.cpp

Index: src/pipe/SkGPipeWrite.cpp
diff --git a/src/pipe/SkGPipeWrite.cpp b/src/pipe/SkGPipeWrite.cpp
index 4dbb5b536c8f852a7116a5604ba40c1876b2579f..1b774093e723483f856f9e6af9fb2ceeaaa22ea1 100644
--- a/src/pipe/SkGPipeWrite.cpp
+++ b/src/pipe/SkGPipeWrite.cpp
@@ -279,7 +279,7 @@ protected:
                           DrawBitmapRectFlags flags) override;
     void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override;
     void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst,
-                         const SkPaint*) override;
+                         const SkPaint* SRC_RECT_CONSTRAINT_PARAM(constraint)) override;
     void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst,
                          const SkPaint*) override;
     void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst,
@@ -869,8 +869,10 @@ void SkGPipeCanvas::onDrawImage(const SkImage* image, SkScalar x, SkScalar y,
 }
 
 void SkGPipeCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
-                                    const SkPaint* paint) {
+                                    const SkPaint* paint SRC_RECT_CONSTRAINT_PARAM(constraint)) {
     NOTIFY_SETUP(this);
+
+    SRC_RECT_CONSTRAINT_LOCAL_DEFAULT(constraint)
     unsigned flags = 0;
     size_t opBytesNeeded = sizeof(SkRect);  // dst
     if (src) {
@@ -882,6 +884,7 @@ void SkGPipeCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, con
             fWriter.writeRect(*src);
         }
         fWriter.writeRect(dst);
+        fWriter.writeInt(constraint);
     }
 }