From 7daaaa4425ea083df437eea95ba6b38315ce98ad Mon Sep 17 00:00:00 2001
From: reed <reed@google.com>
Date: Thu, 21 Aug 2014 10:53:34 -0700
Subject: use globals to register custom effects

NOTREECHECKS=True
NOTRY=True
R=mtklein@google.com, caryclark@google.com, bungeman@google.com

Author: reed@google.com

Review URL: https://codereview.chromium.org/498453003
---
 gm/imagefiltersbase.cpp  | 46 ++++++++++++++++++++++++++++++----------------
 gm/imagefiltersgraph.cpp | 23 +++++++++++++++--------
 2 files changed, 45 insertions(+), 24 deletions(-)

(limited to 'gm')

diff --git a/gm/imagefiltersbase.cpp b/gm/imagefiltersbase.cpp
index 5472f2d98a..d1bd5a72df 100644
--- a/gm/imagefiltersbase.cpp
+++ b/gm/imagefiltersbase.cpp
@@ -18,6 +18,18 @@
 
 class FailImageFilter : public SkImageFilter {
 public:
+    class Registrar {
+    public:
+        Registrar() {
+            SkFlattenable::Register("FailImageFilter",
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+                                    FailImageFilter::DeepCreateProc,
+#else
+                                    FailImageFilter::CreateProc,
+#endif
+                                    FailImageFilter::GetFlattenableType());
+        }
+    };
     static FailImageFilter* Create() {
         return SkNEW(FailImageFilter);
     }
@@ -25,14 +37,7 @@ public:
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(FailImageFilter)
 
 protected:
-    FailImageFilter() : INHERITED(0, NULL) {
-        static bool gOnce;
-        if (!gOnce) {
-            gOnce = true;
-            SkFlattenable::Register("FailImageFilter", this->getFactory(),
-                                    this->GetFlattenableType());
-        }
-    }
+    FailImageFilter() : INHERITED(0, NULL) {}
 
     virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
                                SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE {
@@ -47,6 +52,8 @@ private:
     typedef SkImageFilter INHERITED;
 };
 
+static FailImageFilter::Registrar gReg0;
+
 SkFlattenable* FailImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 0);
     return FailImageFilter::Create();
@@ -54,20 +61,25 @@ SkFlattenable* FailImageFilter::CreateProc(SkReadBuffer& buffer) {
 
 class IdentityImageFilter : public SkImageFilter {
 public:
+    class Registrar {
+    public:
+        Registrar() {
+            SkFlattenable::Register("IdentityImageFilter",
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+                                    IdentityImageFilter::DeepCreateProc,
+#else
+                                    IdentityImageFilter::CreateProc,
+#endif
+                                    IdentityImageFilter::GetFlattenableType());
+        }
+    };
     static IdentityImageFilter* Create(SkImageFilter* input = NULL) {
         return SkNEW_ARGS(IdentityImageFilter, (input));
     }
 
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(IdentityImageFilter)
 protected:
-    IdentityImageFilter(SkImageFilter* input) : INHERITED(1, &input) {
-        static bool gOnce;
-        if (!gOnce) {
-            gOnce = true;
-            SkFlattenable::Register("IdentityImageFilter", this->getFactory(),
-                                    this->GetFlattenableType());
-        }
-    }
+    IdentityImageFilter(SkImageFilter* input) : INHERITED(1, &input) {}
 
     virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
                                SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE {
@@ -84,6 +96,8 @@ private:
     typedef SkImageFilter INHERITED;
 };
 
+static IdentityImageFilter::Registrar gReg1;
+
 SkFlattenable* IdentityImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
     return IdentityImageFilter::Create(common.getInput(0));
diff --git a/gm/imagefiltersgraph.cpp b/gm/imagefiltersgraph.cpp
index bd6af3ff20..37ed885dd7 100644
--- a/gm/imagefiltersgraph.cpp
+++ b/gm/imagefiltersgraph.cpp
@@ -25,6 +25,18 @@
 // perform a draw and this one does.
 class SimpleOffsetFilter : public SkImageFilter {
 public:
+    class Registrar {
+    public:
+        Registrar() {
+            SkFlattenable::Register("SimpleOffsetFilter",
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+                                    SimpleOffsetFilter::DeepCreateProc,
+#else
+                                    SimpleOffsetFilter::CreateProc,
+#endif
+                                    SimpleOffsetFilter::GetFlattenableType());
+        }
+    };
     static SkImageFilter* Create(SkScalar dx, SkScalar dy, SkImageFilter* input) {
         return SkNEW_ARGS(SimpleOffsetFilter, (dx, dy, input));
     }
@@ -73,20 +85,15 @@ protected:
 
 private:
     SimpleOffsetFilter(SkScalar dx, SkScalar dy, SkImageFilter* input)
-    : SkImageFilter(1, &input), fDX(dx), fDY(dy) {
-        static bool gOnce;
-        if (!gOnce) {
-            gOnce = true;
-            SkFlattenable::Register("SimpleOffsetFilter", this->getFactory(),
-                                    this->GetFlattenableType());
-        }
-    }
+        : SkImageFilter(1, &input), fDX(dx), fDY(dy) {}
 
     SkScalar fDX, fDY;
 
     typedef SkImageFilter INHERITED;
 };
 
+static SimpleOffsetFilter::Registrar gReg;
+
 SkFlattenable* SimpleOffsetFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
     SkScalar dx = buffer.readScalar();
-- 
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