Next round of GrGLSLFragmentProcessor-derived class cleanup

src/effects/SkBlurMaskFilter.cpp

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBlurMaskFilter.h"
 #include "SkBlurMask.h"
 #include "SkGpuBlurUtils.h"
@@ skipping 628 matching lines @@
             precision = kHigh_GrSLPrecision;
         }
         else {
             precision = kDefault_GrSLPrecision;
         }
         return new GrRectBlurEffect(rect, sigma, blurProfile, precision);
     }
 
     const SkRect& getRect() const { return fRect; }
     float getSigma() const { return fSigma; }
+    GrSLPrecision precision() const { return fPrecision; }
 
 private:
     GrRectBlurEffect(const SkRect& rect, float sigma, GrTexture *blurProfile,
                      GrSLPrecision fPrecision);
 
     GrGLSLFragmentProcessor* onCreateGLSLInstance() const override;
 
     void onGetGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const override;
 
     bool onIsEqual(const GrFragmentProcessor&) const override;
 
     void onComputeInvariantOutput(GrInvariantOutput* inout) const override;
 
     static GrTexture* CreateBlurProfileTexture(GrTextureProvider*, float sigma);
 
     SkRect          fRect;
     float           fSigma;
     GrTextureAccess fBlurProfileAccess;
     GrSLPrecision   fPrecision;
 
     GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
 
     typedef GrFragmentProcessor INHERITED;
 };
 
 class GrGLRectBlurEffect : public GrGLSLFragmentProcessor {
 public:
-    GrGLRectBlurEffect(const GrProcessor&, GrSLPrecision precision) 
-    : fPrecision(precision) {
-    }
     void emitCode(EmitArgs&) override;
 
-    static void GenKey(GrSLPrecision precision, GrProcessorKeyBuilder* b);
+    static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuilder* b);
 
 protected:
     void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override;
 
 private:
     typedef GrGLSLProgramDataManager::UniformHandle UniformHandle;
 
     UniformHandle       fProxyRectUniform;
     UniformHandle       fProfileSizeUniform;
-    GrSLPrecision       fPrecision;
 
     typedef GrGLSLFragmentProcessor INHERITED;
 };
 
 void OutputRectBlurProfileLookup(GrGLSLFragmentBuilder* fragBuilder,
                                  const GrGLSLTextureSampler& sampler,
                                  const char *output,
                                  const char *profileSize, const char *loc,
                                  const char *blurred_width,
                                  const char *sharp_width) {
     fragBuilder->codeAppendf("float %s;", output);
     fragBuilder->codeAppendf("{");
     fragBuilder->codeAppendf("float coord = ((abs(%s - 0.5 * %s) - 0.5 * %s)) / %s;",
                            loc, blurred_width, sharp_width, profileSize);
     fragBuilder->codeAppendf("%s = ", output);
     fragBuilder->appendTextureLookup(sampler, "vec2(coord,0.5)");
     fragBuilder->codeAppend(".a;");
     fragBuilder->codeAppendf("}");
 }
 
 
-void GrGLRectBlurEffect::GenKey(GrSLPrecision precision, GrProcessorKeyBuilder* b) {
-    b->add32(precision);
+void GrGLRectBlurEffect::GenKey(const GrProcessor& proc, const GrGLSLCaps&,
+                                GrProcessorKeyBuilder* b) {
+    const GrRectBlurEffect& rbe = proc.cast<GrRectBlurEffect>();
+
+    b->add32(rbe.precision());
 }
 
 
 void GrGLRectBlurEffect::emitCode(EmitArgs& args) {
+    const GrRectBlurEffect& rbe = args.fFp.cast<GrRectBlurEffect>();
+
     GrGLSLUniformHandler* uniformHandler = args.fUniformHandler;
 
     const char *rectName;
     const char *profileSizeName;
 
-    const char* precisionString = GrGLSLShaderVar::PrecisionString(args.fGLSLCaps, fPrecision);
+    const char* precisionString = GrGLSLShaderVar::PrecisionString(args.fGLSLCaps, rbe.precision());
     fProxyRectUniform = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
                                                    kVec4f_GrSLType,
-                                                   fPrecision,
+                                                   rbe.precision(),
                                                    "proxyRect",
                                                    &rectName);
     fProfileSizeUniform = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
                                                      kFloat_GrSLType,
                                                      kDefault_GrSLPrecision,
                                                      "profileSize",
                                                      &profileSizeName);
 
     GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
     const char *fragmentPos = fragBuilder->fragmentPosition();
@@ skipping 69 matching lines @@
     , fSigma(sigma)
     , fBlurProfileAccess(blurProfile)
     , fPrecision(precision) {
     this->initClassID<GrRectBlurEffect>();
     this->addTextureAccess(&fBlurProfileAccess);
     this->setWillReadFragmentPosition();
 }
 
 void GrRectBlurEffect::onGetGLSLProcessorKey(const GrGLSLCaps& caps,
                                              GrProcessorKeyBuilder* b) const {
-    GrGLRectBlurEffect::GenKey(fPrecision, b);
+    GrGLRectBlurEffect::GenKey(*this, caps, b);
 }
 
 GrGLSLFragmentProcessor* GrRectBlurEffect::onCreateGLSLInstance() const {
-    return new GrGLRectBlurEffect(*this, fPrecision);
+    return new GrGLRectBlurEffect;
 }
 
 bool GrRectBlurEffect::onIsEqual(const GrFragmentProcessor& sBase) const {
     const GrRectBlurEffect& s = sBase.cast<GrRectBlurEffect>();
     return this->getSigma() == s.getSigma() && this->getRect() == s.getRect();
 }
 
 void GrRectBlurEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const {
     inout->mulByUnknownSingleComponent();
 }
@@ skipping 470 matching lines @@
     } else {
         str->append("None");
     }
     str->append("))");
 }
 #endif
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END