adopt new DlColorFilter objects (flutter#12)

Author: flar

impeller/display_list/display_list_dispatcher.cc

@@ -79,9 +79,22 @@ void DisplayListDispatcher::setShader(sk_sp<SkShader> shader) {
 }
 
 // |flutter::Dispatcher|
-void DisplayListDispatcher::setColorFilter(sk_sp<SkColorFilter> filter) {
+void DisplayListDispatcher::setColorFilter(
+    const flutter::DlColorFilter* filter) {
   // Needs https://github.com/flutter/flutter/issues/95434
-  UNIMPLEMENTED;
+  if (filter == nullptr) {
+    // Reset everything
+    return;
+  }
+  switch (filter->type()) {
+    case flutter::DlColorFilter::kBlend:
+    case flutter::DlColorFilter::kMatrix:
+    case flutter::DlColorFilter::kSrgbToLinearGamma:
+    case flutter::DlColorFilter::kLinearToSrgbGamma:
+    case flutter::DlColorFilter::kUnknown:
+      UNIMPLEMENTED;
+      break;
+  }
 }
 
 // |flutter::Dispatcher|

impeller/display_list/display_list_dispatcher.h

@@ -48,7 +48,7 @@ class DisplayListDispatcher final : public flutter::Dispatcher {
   void setShader(sk_sp<SkShader> shader) override;
 
   // |flutter::Dispatcher|
-  void setColorFilter(sk_sp<SkColorFilter> filter) override;
+  void setColorFilter(const flutter::DlColorFilter* filter) override;
 
   // |flutter::Dispatcher|
   void setInvertColors(bool invert) override;