fix for valgrind uninit variables

TBR=bsalomon@google.com
BUG=skia:

Review URL: https://codereview.chromium.org/793773002

diff --git a/src/gpu/GrDrawState.cpp b/src/gpu/GrDrawState.cpp
index a91a43c44e5f003b874a5efe7941496c3fc90b7a..465c10c99ac61a25947978e46ed122362937e9b3 100644 (file)
--- a/src/gpu/GrDrawState.cpp
+++ b/src/gpu/GrDrawState.cpp
@@ -117,6 +117,9 @@ void GrDrawState::onReset(const SkMatrix* initialViewMatrix) {
 
     fColorProcInfoValid = false;
     fCoverageProcInfoValid = false;
+
+    fColorCache = GrColor_ILLEGAL;
+    fCoverageCache = GrColor_ILLEGAL;
 }
 
 bool GrDrawState::setIdentityViewMatrix()  {