use GrFPArgs for maskfilters

Bug: skia:
Change-Id: I8516a3b0f6d8301c51f0861c65b9fe8f692fc5e5
Reviewed-on: https://skia-review.googlesource.com/97260
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/core/SkMaskFilter.cpp b/src/core/SkMaskFilter.cpp
index fb6d47bffe..b8aadec10c 100644
--- a/src/core/SkMaskFilter.cpp
+++ b/src/core/SkMaskFilter.cpp
@@ -17,6 +17,7 @@
 
 #if SK_SUPPORT_GPU
 #include "GrTextureProxy.h"
+#include "GrFragmentProcessor.h"
 #endif
 
 SkMaskFilter::NinePatch::~NinePatch() {
@@ -301,6 +302,24 @@ SkMaskFilter::filterRectsToNine(const SkRect[], int count, const SkMatrix&,
 }
 
 #if SK_SUPPORT_GPU
+std::unique_ptr<GrFragmentProcessor> SkMaskFilter::asFragmentProcessor(const GrFPArgs& args) const {
+    auto fp = this->onAsFragmentProcessor(args);
+    if (fp) {
+        SkASSERT(this->hasFragmentProcessor());
+    } else {
+        SkASSERT(!this->hasFragmentProcessor());
+    }
+    return fp;
+}
+bool SkMaskFilter::hasFragmentProcessor() const {
+    return this->onHasFragmentProcessor();
+}
+
+std::unique_ptr<GrFragmentProcessor> SkMaskFilter::onAsFragmentProcessor(const GrFPArgs&) const {
+    return nullptr;
+}
+bool SkMaskFilter::onHasFragmentProcessor() const { return false; }
+
 bool SkMaskFilter::canFilterMaskGPU(const SkRRect& devRRect,
                                     const SkIRect& clipBounds,
                                     const SkMatrix& ctm,