removing GrDrawEffect

src/gpu/effects/GrOvalEffect.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gl/builders/GrGLProgramBuilder.h"
 #include "GrOvalEffect.h"
 
@@ skipping 53 matching lines @@
 }
 
 CircleEffect::CircleEffect(GrEffectEdgeType edgeType, const SkPoint& c, SkScalar r)
     : fCenter(c)
     , fRadius(r)
     , fEdgeType(edgeType) {
     this->setWillReadFragmentPosition();
 }
 
 bool CircleEffect::onIsEqual(const GrEffect& other) const {
-    const CircleEffect& ce = CastEffect<CircleEffect>(other);
+    const CircleEffect& ce = other.cast<CircleEffect>();
     return fEdgeType == ce.fEdgeType && fCenter == ce.fCenter && fRadius == ce.fRadius;
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_EFFECT_TEST(CircleEffect);
 
 GrEffect* CircleEffect::TestCreate(SkRandom* random,
                                    GrContext*,
                                    const GrDrawTargetCaps& caps,
                                    GrTexture*[]) {
     SkPoint center;
     center.fX = random->nextRangeScalar(0.f, 1000.f);
     center.fY = random->nextRangeScalar(0.f, 1000.f);
     SkScalar radius = random->nextRangeF(0.f, 1000.f);
     GrEffectEdgeType et;
     do {
         et = (GrEffectEdgeType)random->nextULessThan(kGrEffectEdgeTypeCnt);
     } while (kHairlineAA_GrEffectEdgeType == et);
     return CircleEffect::Create(et, center, radius);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 class GLCircleEffect : public GrGLEffect {
 public:
-    GLCircleEffect(const GrBackendEffectFactory&, const GrDrawEffect&);
+    GLCircleEffect(const GrBackendEffectFactory&, const GrEffect&);
 
     virtual void emitCode(GrGLProgramBuilder* builder,
-                          const GrDrawEffect& drawEffect,
+                          const GrEffect& effect,
                           const GrEffectKey& key,
                           const char* outputColor,
                           const char* inputColor,
                           const TransformedCoordsArray&,
                           const TextureSamplerArray&) SK_OVERRIDE;
 
-    static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyBuilder*);
+    static inline void GenKey(const GrEffect&, const GrGLCaps&, GrEffectKeyBuilder*);
 
-    virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_OVERRIDE;
+    virtual void setData(const GrGLProgramDataManager&, const GrEffect&) SK_OVERRIDE;
 
 private:
     GrGLProgramDataManager::UniformHandle fCircleUniform;
     SkPoint                               fPrevCenter;
     SkScalar                              fPrevRadius;
 
     typedef GrGLEffect INHERITED;
 };
 
 GLCircleEffect::GLCircleEffect(const GrBackendEffectFactory& factory,
-                               const GrDrawEffect& drawEffect)
+                               const GrEffect& effect)
     : INHERITED (factory) {
     fPrevRadius = -1.f;
 }
 
 void GLCircleEffect::emitCode(GrGLProgramBuilder* builder,
-                              const GrDrawEffect& drawEffect,
+                              const GrEffect& effect,
                               const GrEffectKey& key,
                               const char* outputColor,
                               const char* inputColor,
                               const TransformedCoordsArray&,
                               const TextureSamplerArray& samplers) {
-    const CircleEffect& ce = drawEffect.castEffect<CircleEffect>();
+    const CircleEffect& ce = effect.cast<CircleEffect>();
     const char *circleName;
     // The circle uniform is (center.x, center.y, radius + 0.5) for regular fills and
     // (... ,radius - 0.5) for inverse fills.
     fCircleUniform = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                          kVec3f_GrSLType,
                                          "circle",
                                          &circleName);
 
     GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder();
     const char* fragmentPos = fsBuilder->fragmentPosition();
 
     SkASSERT(kHairlineAA_GrEffectEdgeType != ce.getEdgeType());
     if (GrEffectEdgeTypeIsInverseFill(ce.getEdgeType())) {
         fsBuilder->codeAppendf("\t\tfloat d = length(%s.xy - %s.xy) - %s.z;\n",
                                 circleName, fragmentPos, circleName);
     } else {
         fsBuilder->codeAppendf("\t\tfloat d = %s.z - length(%s.xy - %s.xy);\n",
                                circleName, fragmentPos, circleName);
     }
     if (GrEffectEdgeTypeIsAA(ce.getEdgeType())) {
         fsBuilder->codeAppend("\t\td = clamp(d, 0.0, 1.0);\n");
     } else {
         fsBuilder->codeAppend("\t\td = d > 0.5 ? 1.0 : 0.0;\n");
     }
 
     fsBuilder->codeAppendf("\t\t%s = %s;\n", outputColor,
                            (GrGLSLExpr4(inputColor) * GrGLSLExpr1("d")).c_str());
 }
 
-void GLCircleEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&,
+void GLCircleEffect::GenKey(const GrEffect& effect, const GrGLCaps&,
                             GrEffectKeyBuilder* b) {
-    const CircleEffect& ce = drawEffect.castEffect<CircleEffect>();
+    const CircleEffect& ce = effect.cast<CircleEffect>();
     b->add32(ce.getEdgeType());
 }
 
-void GLCircleEffect::setData(const GrGLProgramDataManager& pdman, const GrDrawEffect& drawEffect) {
-    const CircleEffect& ce = drawEffect.castEffect<CircleEffect>();
+void GLCircleEffect::setData(const GrGLProgramDataManager& pdman, const GrEffect& effect) {
+    const CircleEffect& ce = effect.cast<CircleEffect>();
     if (ce.getRadius() != fPrevRadius || ce.getCenter() != fPrevCenter) {
         SkScalar radius = ce.getRadius();
         if (GrEffectEdgeTypeIsInverseFill(ce.getEdgeType())) {
             radius -= 0.5f;
         } else {
             radius += 0.5f;
         }
         pdman.set3f(fCircleUniform, ce.getCenter().fX, ce.getCenter().fY, radius);
         fPrevCenter = ce.getCenter();
         fPrevRadius = ce.getRadius();
@@ skipping 53 matching lines @@
 }
 
 EllipseEffect::EllipseEffect(GrEffectEdgeType edgeType, const SkPoint& c, SkScalar rx, SkScalar ry)
     : fCenter(c)
     , fRadii(SkVector::Make(rx, ry))
     , fEdgeType(edgeType) {
     this->setWillReadFragmentPosition();
 }
 
 bool EllipseEffect::onIsEqual(const GrEffect& other) const {
-    const EllipseEffect& ee = CastEffect<EllipseEffect>(other);
+    const EllipseEffect& ee = other.cast<EllipseEffect>();
     return fEdgeType == ee.fEdgeType && fCenter == ee.fCenter && fRadii == ee.fRadii;
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_EFFECT_TEST(EllipseEffect);
 
 GrEffect* EllipseEffect::TestCreate(SkRandom* random,
                                     GrContext*,
                                     const GrDrawTargetCaps& caps,
                                     GrTexture*[]) {
     SkPoint center;
     center.fX = random->nextRangeScalar(0.f, 1000.f);
     center.fY = random->nextRangeScalar(0.f, 1000.f);
     SkScalar rx = random->nextRangeF(0.f, 1000.f);
     SkScalar ry = random->nextRangeF(0.f, 1000.f);
     GrEffectEdgeType et;
     do {
         et = (GrEffectEdgeType)random->nextULessThan(kGrEffectEdgeTypeCnt);
     } while (kHairlineAA_GrEffectEdgeType == et);
     return EllipseEffect::Create(et, center, rx, ry);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 class GLEllipseEffect : public GrGLEffect {
 public:
-    GLEllipseEffect(const GrBackendEffectFactory&, const GrDrawEffect&);
+    GLEllipseEffect(const GrBackendEffectFactory&, const GrEffect&);
 
     virtual void emitCode(GrGLProgramBuilder* builder,
-                          const GrDrawEffect& drawEffect,
+                          const GrEffect& effect,
                           const GrEffectKey& key,
                           const char* outputColor,
                           const char* inputColor,
                           const TransformedCoordsArray&,
                           const TextureSamplerArray&) SK_OVERRIDE;
 
-    static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyBuilder*);
+    static inline void GenKey(const GrEffect&, const GrGLCaps&, GrEffectKeyBuilder*);
 
-    virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_OVERRIDE;
+    virtual void setData(const GrGLProgramDataManager&, const GrEffect&) SK_OVERRIDE;
 
 private:
     GrGLProgramDataManager::UniformHandle fEllipseUniform;
     SkPoint                               fPrevCenter;
     SkVector                              fPrevRadii;
 
     typedef GrGLEffect INHERITED;
 };
 
 GLEllipseEffect::GLEllipseEffect(const GrBackendEffectFactory& factory,
-                                 const GrDrawEffect& drawEffect)
+                                 const GrEffect& effect)
     : INHERITED (factory) {
     fPrevRadii.fX = -1.f;
 }
 
 void GLEllipseEffect::emitCode(GrGLProgramBuilder* builder,
-                               const GrDrawEffect& drawEffect,
+                               const GrEffect& effect,
                                const GrEffectKey& key,
                                const char* outputColor,
                                const char* inputColor,
                                const TransformedCoordsArray&,
                                const TextureSamplerArray& samplers) {
-    const EllipseEffect& ee = drawEffect.castEffect<EllipseEffect>();
+    const EllipseEffect& ee = effect.cast<EllipseEffect>();
     const char *ellipseName;
     // The ellipse uniform is (center.x, center.y, 1 / rx^2, 1 / ry^2)
     fEllipseUniform = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                          kVec4f_GrSLType,
                                          "ellipse",
                                          &ellipseName);
 
     GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder();
     const char* fragmentPos = fsBuilder->fragmentPosition();
 
@@ skipping 22 matching lines @@
             fsBuilder->codeAppend("\t\tfloat alpha = approx_dist > 0.0 ? 1.0 : 0.0;\n");
             break;
         case kHairlineAA_GrEffectEdgeType:
             SkFAIL("Hairline not expected here.");
     }
 
     fsBuilder->codeAppendf("\t\t%s = %s;\n", outputColor,
                            (GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_str());
 }
 
-void GLEllipseEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&,
+void GLEllipseEffect::GenKey(const GrEffect& effect, const GrGLCaps&,
                              GrEffectKeyBuilder* b) {
-    const EllipseEffect& ee = drawEffect.castEffect<EllipseEffect>();
+    const EllipseEffect& ee = effect.cast<EllipseEffect>();
     b->add32(ee.getEdgeType());
 }
 
-void GLEllipseEffect::setData(const GrGLProgramDataManager& pdman, const GrDrawEffect& drawEffect) {
-    const EllipseEffect& ee = drawEffect.castEffect<EllipseEffect>();
+void GLEllipseEffect::setData(const GrGLProgramDataManager& pdman, const GrEffect& effect) {
+    const EllipseEffect& ee = effect.cast<EllipseEffect>();
     if (ee.getRadii() != fPrevRadii || ee.getCenter() != fPrevCenter) {
         SkScalar invRXSqd = 1.f / (ee.getRadii().fX * ee.getRadii().fX);
         SkScalar invRYSqd = 1.f / (ee.getRadii().fY * ee.getRadii().fY);
         pdman.set4f(fEllipseUniform, ee.getCenter().fX, ee.getCenter().fY, invRXSqd, invRYSqd);
         fPrevCenter = ee.getCenter();
         fPrevRadii = ee.getRadii();
     }
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 GrEffect* GrOvalEffect::Create(GrEffectEdgeType edgeType, const SkRect& oval) {
     if (kHairlineAA_GrEffectEdgeType == edgeType) {
         return NULL;
     }
     SkScalar w = oval.width();
     SkScalar h = oval.height();
     if (SkScalarNearlyEqual(w, h)) {
         w /= 2;
         return CircleEffect::Create(edgeType, SkPoint::Make(oval.fLeft + w, oval.fTop + w), w);
     } else {
         w /= 2;
         h /= 2;
         return EllipseEffect::Create(edgeType, SkPoint::Make(oval.fLeft + w, oval.fTop + h), w, h);
     }
 
     return NULL;
 }