Make GrGLSLProgramBuilder base class for ProgramBuilder

src/effects/SkLightingImageFilter.cpp

 /*
  * Copyright 2012 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 "SkLightingImageFilter.h"
 #include "SkBitmap.h"
 #include "SkColorPriv.h"
@@ skipping 579 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 
 class GrGLLight {
 public:
     virtual ~GrGLLight() {}
 
     /**
      * This is called by GrGLLightingEffect::emitCode() before either of the two virtual functions
      * below. It adds a vec3f uniform visible in the FS that represents the constant light color.
      */
-    void emitLightColorUniform(GrGLFPBuilder*);
+    void emitLightColorUniform(GrGLSLFPBuilder*);
 
     /**
      * These two functions are called from GrGLLightingEffect's emitCode() function.
      * emitSurfaceToLight places an expression in param out that is the vector from the surface to
      * the light. The expression will be used in the FS. emitLightColor writes an expression into
      * the FS that is the color of the light. Either function may add functions and/or uniforms to
      * the FS. The default of emitLightColor appends the name of the constant light color uniform
      * and so this function only needs to be overridden if the light color varies spatially.
      */
-    virtual void emitSurfaceToLight(GrGLFPBuilder*, const char* z) = 0;
-    virtual void emitLightColor(GrGLFPBuilder*, const char *surfaceToLight);
+    virtual void emitSurfaceToLight(GrGLSLFPBuilder*, const char* z) = 0;
+    virtual void emitLightColor(GrGLSLFPBuilder*, const char *surfaceToLight);
 
     // This is called from GrGLLightingEffect's setData(). Subclasses of GrGLLight must call
     // INHERITED::setData().
     virtual void setData(const GrGLSLProgramDataManager&, const SkImageFilterLight* light) const;
 
 protected:
     /**
      * Gets the constant light color uniform. Subclasses can use this in their emitLightColor
      * function.
      */
     UniformHandle lightColorUni() const { return fColorUni; }
 
 private:
     UniformHandle fColorUni;
 
     typedef SkRefCnt INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 class GrGLDistantLight : public GrGLLight {
 public:
     virtual ~GrGLDistantLight() {}
     void setData(const GrGLSLProgramDataManager&, const SkImageFilterLight* light) const override;
-    void emitSurfaceToLight(GrGLFPBuilder*, const char* z) override;
+    void emitSurfaceToLight(GrGLSLFPBuilder*, const char* z) override;
 
 private:
     typedef GrGLLight INHERITED;
     UniformHandle fDirectionUni;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 class GrGLPointLight : public GrGLLight {
 public:
     virtual ~GrGLPointLight() {}
     void setData(const GrGLSLProgramDataManager&, const SkImageFilterLight* light) const override;
-    void emitSurfaceToLight(GrGLFPBuilder*, const char* z) override;
+    void emitSurfaceToLight(GrGLSLFPBuilder*, const char* z) override;
 
 private:
     typedef GrGLLight INHERITED;
     UniformHandle fLocationUni;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 class GrGLSpotLight : public GrGLLight {
 public:
     virtual ~GrGLSpotLight() {}
     void setData(const GrGLSLProgramDataManager&, const SkImageFilterLight* light) const override;
-    void emitSurfaceToLight(GrGLFPBuilder*, const char* z) override;
-    void emitLightColor(GrGLFPBuilder*, const char *surfaceToLight) override;
+    void emitSurfaceToLight(GrGLSLFPBuilder*, const char* z) override;
+    void emitLightColor(GrGLSLFPBuilder*, const char *surfaceToLight) override;
 
 private:
     typedef GrGLLight INHERITED;
 
     SkString        fLightColorFunc;
     UniformHandle   fLocationUni;
     UniformHandle   fExponentUni;
     UniformHandle   fCosOuterConeAngleUni;
     UniformHandle   fCosInnerConeAngleUni;
     UniformHandle   fConeScaleUni;
@@ skipping 841 matching lines @@
     void emitCode(EmitArgs&) override;
 
     static inline void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuilder* b);
 
 protected:
     /**
      * Subclasses of GrGLLightingEffect must call INHERITED::onSetData();
      */
     void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override;
 
-    virtual void emitLightFunc(GrGLFPBuilder*, SkString* funcName) = 0;
+    virtual void emitLightFunc(GrGLSLFPBuilder*, SkString* funcName) = 0;
 
 private:
     typedef GrGLFragmentProcessor INHERITED;
 
     UniformHandle       fImageIncrementUni;
     UniformHandle       fSurfaceScaleUni;
     GrGLLight*          fLight;
     BoundaryMode        fBoundaryMode;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 class GrGLDiffuseLightingEffect  : public GrGLLightingEffect {
 public:
     GrGLDiffuseLightingEffect(const GrProcessor&);
-    void emitLightFunc(GrGLFPBuilder*, SkString* funcName) override;
+    void emitLightFunc(GrGLSLFPBuilder*, SkString* funcName) override;
 
 protected:
     void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override;
 
 private:
     typedef GrGLLightingEffect INHERITED;
 
     UniformHandle   fKDUni;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 class GrGLSpecularLightingEffect  : public GrGLLightingEffect {
 public:
     GrGLSpecularLightingEffect(const GrProcessor&);
-    void emitLightFunc(GrGLFPBuilder*, SkString* funcName) override;
+    void emitLightFunc(GrGLSLFPBuilder*, SkString* funcName) override;
 
 protected:
     void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override;
 
 private:
     typedef GrGLLightingEffect INHERITED;
 
     UniformHandle   fKSUni;
     UniformHandle   fShininessUni;
 };
@@ skipping 188 matching lines @@
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GrGLDiffuseLightingEffect::GrGLDiffuseLightingEffect(const GrProcessor& proc)
     : INHERITED(proc) {
 }
 
-void GrGLDiffuseLightingEffect::emitLightFunc(GrGLFPBuilder* builder, SkString* funcName) {
+void GrGLDiffuseLightingEffect::emitLightFunc(GrGLSLFPBuilder* builder, SkString* funcName) {
     const char* kd;
     fKDUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                  kFloat_GrSLType, kDefault_GrSLPrecision,
                                  "KD", &kd);
 
     static const GrGLSLShaderVar gLightArgs[] = {
         GrGLSLShaderVar("normal", kVec3f_GrSLType),
         GrGLSLShaderVar("surfaceToLight", kVec3f_GrSLType),
         GrGLSLShaderVar("lightColor", kVec3f_GrSLType)
     };
@@ skipping 61 matching lines @@
     return GrSpecularLightingEffect::Create(d->fTextures[GrProcessorUnitTest::kAlphaTextureIdx],
                                             light, surfaceScale, matrix, ks, shininess, mode);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GrGLSpecularLightingEffect::GrGLSpecularLightingEffect(const GrProcessor& proc)
     : INHERITED(proc) {
 }
 
-void GrGLSpecularLightingEffect::emitLightFunc(GrGLFPBuilder* builder, SkString* funcName) {
+void GrGLSpecularLightingEffect::emitLightFunc(GrGLSLFPBuilder* builder, SkString* funcName) {
     const char* ks;
     const char* shininess;
 
     fKSUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                  kFloat_GrSLType, kDefault_GrSLPrecision, "KS", &ks);
     fShininessUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                         kFloat_GrSLType,
                                         kDefault_GrSLPrecision,
                                         "Shininess",
                                         &shininess);
@@ skipping 18 matching lines @@
 
 void GrGLSpecularLightingEffect::onSetData(const GrGLSLProgramDataManager& pdman,
                                            const GrProcessor& effect) {
     INHERITED::onSetData(pdman, effect);
     const GrSpecularLightingEffect& spec = effect.cast<GrSpecularLightingEffect>();
     pdman.set1f(fKSUni, spec.ks());
     pdman.set1f(fShininessUni, spec.shininess());
 }
 
 ///////////////////////////////////////////////////////////////////////////////
-void GrGLLight::emitLightColorUniform(GrGLFPBuilder* builder) {
+void GrGLLight::emitLightColorUniform(GrGLSLFPBuilder* builder) {
     fColorUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                     kVec3f_GrSLType, kDefault_GrSLPrecision,
                                     "LightColor");
 }
 
-void GrGLLight::emitLightColor(GrGLFPBuilder* builder, const char *surfaceToLight) {
+void GrGLLight::emitLightColor(GrGLSLFPBuilder* builder, const char *surfaceToLight) {
     builder->getFragmentShaderBuilder()->codeAppend(builder->getUniformCStr(this->lightColorUni()));
 }
 
 void GrGLLight::setData(const GrGLSLProgramDataManager& pdman,
                         const SkImageFilterLight* light) const {
     setUniformPoint3(pdman, fColorUni,
                      light->color().makeScale(SkScalarInvert(SkIntToScalar(255))));
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 void GrGLDistantLight::setData(const GrGLSLProgramDataManager& pdman,
                                const SkImageFilterLight* light) const {
     INHERITED::setData(pdman, light);
     SkASSERT(light->type() == SkImageFilterLight::kDistant_LightType);
     const SkDistantLight* distantLight = static_cast<const SkDistantLight*>(light);
     setUniformNormal3(pdman, fDirectionUni, distantLight->direction());
 }
 
-void GrGLDistantLight::emitSurfaceToLight(GrGLFPBuilder* builder, const char* z) {
+void GrGLDistantLight::emitSurfaceToLight(GrGLSLFPBuilder* builder, const char* z) {
     const char* dir;
     fDirectionUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                         kVec3f_GrSLType, kDefault_GrSLPrecision,
                                         "LightDirection", &dir);
     builder->getFragmentShaderBuilder()->codeAppend(dir);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 void GrGLPointLight::setData(const GrGLSLProgramDataManager& pdman,
                              const SkImageFilterLight* light) const {
     INHERITED::setData(pdman, light);
     SkASSERT(light->type() == SkImageFilterLight::kPoint_LightType);
     const SkPointLight* pointLight = static_cast<const SkPointLight*>(light);
     setUniformPoint3(pdman, fLocationUni, pointLight->location());
 }
 
-void GrGLPointLight::emitSurfaceToLight(GrGLFPBuilder* builder, const char* z) {
+void GrGLPointLight::emitSurfaceToLight(GrGLSLFPBuilder* builder, const char* z) {
     const char* loc;
     fLocationUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                        kVec3f_GrSLType, kDefault_GrSLPrecision,
                                        "LightLocation", &loc);
     GrGLFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder();
     fsBuilder->codeAppendf("normalize(%s - vec3(%s.xy, %s))",
             loc, fsBuilder->fragmentPosition(), z);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 void GrGLSpotLight::setData(const GrGLSLProgramDataManager& pdman,
                             const SkImageFilterLight* light) const {
     INHERITED::setData(pdman, light);
     SkASSERT(light->type() == SkImageFilterLight::kSpot_LightType);
     const SkSpotLight* spotLight = static_cast<const SkSpotLight *>(light);
     setUniformPoint3(pdman, fLocationUni, spotLight->location());
     pdman.set1f(fExponentUni, spotLight->specularExponent());
     pdman.set1f(fCosInnerConeAngleUni, spotLight->cosInnerConeAngle());
     pdman.set1f(fCosOuterConeAngleUni, spotLight->cosOuterConeAngle());
     pdman.set1f(fConeScaleUni, spotLight->coneScale());
     setUniformNormal3(pdman, fSUni, spotLight->s());
 }
 
-void GrGLSpotLight::emitSurfaceToLight(GrGLFPBuilder* builder, const char* z) {
+void GrGLSpotLight::emitSurfaceToLight(GrGLSLFPBuilder* builder, const char* z) {
     const char* location;
     fLocationUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                        kVec3f_GrSLType, kDefault_GrSLPrecision,
                                        "LightLocation", &location);
 
     GrGLFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder();
     fsBuilder->codeAppendf("normalize(%s - vec3(%s.xy, %s))",
             location, fsBuilder->fragmentPosition(), z);
 }
 
-void GrGLSpotLight::emitLightColor(GrGLFPBuilder* builder,
+void GrGLSpotLight::emitLightColor(GrGLSLFPBuilder* builder,
                                    const char *surfaceToLight) {
 
     const char* color = builder->getUniformCStr(this->lightColorUni()); // created by parent class.
 
     const char* exponent;
     const char* cosInner;
     const char* cosOuter;
     const char* coneScale;
     const char* s;
     fExponentUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
@@ skipping 35 matching lines @@
 
     fsBuilder->codeAppendf("%s(%s)", fLightColorFunc.c_str(), surfaceToLight);
 }
 
 #endif
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkLightingImageFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkDiffuseLightingImageFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkSpecularLightingImageFilter)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END