GPU Gradients

src/effects/gradients/SkTwoPointRadialGradient.cpp

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
  #include "SkTwoPointRadialGradient.h"
 
@@ skipping 514 matching lines @@
     fIsDegenerate = data.isDegenerate();
 }
 
 void GrGLRadial2Gradient::emitCode(GrGLShaderBuilder* builder,
                                    const GrDrawEffect& drawEffect,
                                    EffectKey key,
                                    const char* outputColor,
                                    const char* inputColor,
                                    const TextureSamplerArray& samplers) {
 
-    this->emitYCoordUniform(builder);
+    this->emitUniforms(builder, key);
     const char* fsCoords;
     const char* vsCoordsVarying;
     GrSLType coordsVaryingType;
     this->setupMatrix(builder, key, &fsCoords, &vsCoordsVarying, &coordsVaryingType);
 
     // 2 copies of uniform array, 1 for each of vertex & fragment shader,
     // to work around Xoom bug. Doesn't seem to cause performance decrease
     // in test apps, but need to keep an eye on it.
     fVSParamUni = builder->addUniformArray(GrGLShaderBuilder::kVertex_ShaderType,
                                            kFloat_GrSLType, "Radial2VSParams", 6);
@@ skipping 76 matching lines @@
                                    ac4Name.c_str());
 
             // t is: (-b + params[5] * sqrt(b^2-4ac)) * params[1]
             t.printf("(-%s + %s * %s) * %s", bVar.c_str(), p5.c_str(),
                      rootName.c_str(), p1.c_str());
         } else {
             // t is: -c/b
             t.printf("-%s / %s", cName.c_str(), bVar.c_str());
         }
 
-        this->emitColorLookup(builder, t.c_str(), outputColor, inputColor, samplers[0]);
+        this->emitColor(builder, t.c_str(), key, outputColor, inputColor, samplers);
     }
 }
 
 void GrGLRadial2Gradient::setData(const GrGLUniformManager& uman,
                                   const GrDrawEffect& drawEffect) {
     INHERITED::setData(uman, drawEffect);
     const GrRadial2Gradient& data = drawEffect.castEffect<GrRadial2Gradient>();
     SkASSERT(data.isDegenerate() == fIsDegenerate);
     SkScalar centerX1 = data.center();
     SkScalar radius0 = data.radius();
@@ skipping 24 matching lines @@
         fCachedPosRoot = data.isPosRoot();
     }
 }
 
 GrGLEffect::EffectKey GrGLRadial2Gradient::GenKey(const GrDrawEffect& drawEffect,
                                                   const GrGLCaps&) {
     enum {
         kIsDegenerate = 1 << kMatrixKeyBitCnt,
     };
 
-    EffectKey key = GenMatrixKey(drawEffect);
+    EffectKey key = GenBaseGradientKey(drawEffect);
     if (drawEffect.castEffect<GrRadial2Gradient>().isDegenerate()) {
         key |= kIsDegenerate;
     }
     return key;
 }
 
 /////////////////////////////////////////////////////////////////////
 
 GrEffectRef* SkTwoPointRadialGradient::asNewEffect(GrContext* context, const SkPaint&) const {
     SkASSERT(NULL != context);
@@ skipping 17 matching lines @@
 }
 
 #else
 
 GrEffectRef* SkTwoPointRadialGradient::asNewEffect(GrContext*, const SkPaint&) const {
     SkDEBUGFAIL("Should not call in GPU-less build");
     return NULL;
 }
 
 #endif