Implement path cover with nv_path_rendering

src/gpu/gl/GrGpuGL_program.cpp

Index: src/gpu/gl/GrGpuGL_program.cpp
diff --git a/src/gpu/gl/GrGpuGL_program.cpp b/src/gpu/gl/GrGpuGL_program.cpp
index 26ad9b8f159fa59be32960ea068e5bc2157e5997..af24ce6ffc411390452b8c4c2264df7a83e09e22 100644
--- a/src/gpu/gl/GrGpuGL_program.cpp
+++ b/src/gpu/gl/GrGpuGL_program.cpp
@@ -208,12 +208,14 @@ bool GrGpuGL::flushGraphicsState(DrawType type, const GrDeviceCoordTexture* dstC
     // GrGpu::setupClipAndFlushState should have already checked this and bailed if not true.
     SkASSERT(NULL != drawState.getRenderTarget());
 
-    if (kStencilPath_DrawType == type) {
+    if (kStencilPath_DrawType == type || kFillPath_DrawType == type) {
         const GrRenderTarget* rt = this->getDrawState().getRenderTarget();
         SkISize size;
         size.set(rt->width(), rt->height());
         this->setProjectionMatrix(drawState.getViewMatrix(), size, rt->origin());
-    } else {
+    }
+
+    if (kStencilPath_DrawType != type)  {
         this->flushMiscFixedFunctionState();
 
         GrBlendCoeff srcCoeff;