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include/gpu/GrTBackendEffectFactory.h

Index: include/gpu/GrTBackendEffectFactory.h
diff --git a/include/gpu/GrTBackendEffectFactory.h b/include/gpu/GrTBackendEffectFactory.h
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--- a/include/gpu/GrTBackendEffectFactory.h
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-/*
- * Copyright 2012 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GrTBackendEffectFactory_DEFINED
-#define GrTBackendEffectFactory_DEFINED
-
-#include "GrBackendEffectFactory.h"
-#include "gl/GrGLProgramEffects.h"
-
-/**
- * Implements GrBackendEffectFactory for a GrEffect subclass as a singleton. This can be used by
- * most GrEffect subclasses to implement the GrEffect::getFactory() method:
- *
- * const GrBackendEffectFactory& MyEffect::getFactory() const {
- *     return GrTBackendEffectFactory<MyEffect>::getInstance();
- * }
- *
- * Using this class requires that the GrEffect subclass always produces the same GrGLEffect
- * subclass. Additionally, It adds the following requirements to the GrEffect and GrGLEffect
- * subclasses:
- *
- * 1. The GrGLEffect used by GrEffect subclass MyEffect must be named or typedef'ed to
- *    MyEffect::GLEffect.
- * 2. MyEffect::GLEffect must have a static function:
- *      EffectKey GenKey(const GrEffect, const GrGLCaps&)
- *    which generates a key that maps 1 to 1 with code variations emitted by
- *    MyEffect::GLEffect::emitCode().
- * 3. MyEffect must have a static function:
- *      const char* Name()
- *    which returns a human-readable name for the effect.
- */
-template <typename EffectClass>
-class GrTBackendEffectFactory : public GrBackendEffectFactory {
-
-public:
-    typedef typename EffectClass::GLEffect GLEffect;
-
-    /** Returns a human-readable name for the effect. Implemented using GLEffect::Name as described
-     *  in this class's comment. */
-    virtual const char* name() const SK_OVERRIDE { return EffectClass::Name(); }
-
-
-    /** Implemented using GLEffect::GenKey as described in this class's comment. */
-    virtual void getGLEffectKey(const GrEffect& effect,
-                                const GrGLCaps& caps,
-                                GrEffectKeyBuilder* b) const SK_OVERRIDE {
-        GLEffect::GenKey(effect, caps, b);
-    }
-
-    /** Returns a new instance of the appropriate *GL* implementation class
-        for the given GrEffect; caller is responsible for deleting
-        the object. */
-    virtual GrGLEffect* createGLInstance(const GrEffect& effect) const SK_OVERRIDE {
-        return SkNEW_ARGS(GLEffect, (*this, effect));
-    }
-
-    /** This class is a singleton. This function returns the single instance. */
-    static const GrBackendEffectFactory& getInstance() {
-        static SkAlignedSTStorage<1, GrTBackendEffectFactory> gInstanceMem;
-        static const GrTBackendEffectFactory* gInstance;
-        if (!gInstance) {
-            gInstance = SkNEW_PLACEMENT(gInstanceMem.get(),
-                                        GrTBackendEffectFactory);
-        }
-        return *gInstance;
-    }
-
-protected:
-    GrTBackendEffectFactory() {}
-};
-
-#endif