Added GrGLFragmentProcessor::EmitArgs struct for use with emitCode()

src/effects/gradients/SkLinearGradient.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 "SkLinearGradient.h"
 
 static inline int repeat_bits(int x, const int bits) {
@@ skipping 449 matching lines @@
 
 /////////////////////////////////////////////////////////////////////
 
 class GrGLLinearGradient : public GrGLGradientEffect {
 public:
 
     GrGLLinearGradient(const GrProcessor&) {}
 
     virtual ~GrGLLinearGradient() { }
 
-    virtual void emitCode(GrGLFPBuilder*,
-                          const GrFragmentProcessor&,
-                          const char* outputColor,
-                          const char* inputColor,
-                          const TransformedCoordsArray&,
-                          const TextureSamplerArray&) override;
+    virtual void emitCode(EmitArgs&) override;
 
     static void GenKey(const GrProcessor& processor, const GrGLSLCaps&, GrProcessorKeyBuilder* b) {
         b->add32(GenBaseGradientKey(processor));
     }
 
 private:
 
     typedef GrGLGradientEffect INHERITED;
 };
 
@@ skipping 57 matching lines @@
     GrColor paintColor;
     GrFragmentProcessor* fp;
     SkAssertResult(shader->asFragmentProcessor(d->fContext, paint,
                                                GrTest::TestMatrix(d->fRandom), NULL,
                                                &paintColor, d->fProcDataManager, &fp));
     return fp;
 }
 
 /////////////////////////////////////////////////////////////////////
 
-void GrGLLinearGradient::emitCode(GrGLFPBuilder* builder,
-                                  const GrFragmentProcessor& fp,
-                                  const char* outputColor,
-                                  const char* inputColor,
-                                  const TransformedCoordsArray& coords,
-                                  const TextureSamplerArray& samplers) {
-    const GrLinearGradient& ge = fp.cast<GrLinearGradient>();
-    this->emitUniforms(builder, ge);
-    SkString t = builder->getFragmentShaderBuilder()->ensureFSCoords2D(coords, 0);
+void GrGLLinearGradient::emitCode(EmitArgs& args) {
+    const GrLinearGradient& ge = args.fFp.cast<GrLinearGradient>();
+    this->emitUniforms(args.fBuilder, ge);
+    SkString t = args.fBuilder->getFragmentShaderBuilder()->ensureFSCoords2D(args.fCoords, 0);
     t.append(".x");
-    this->emitColor(builder, ge, t.c_str(), outputColor, inputColor, samplers);
+    this->emitColor(args.fBuilder, ge, t.c_str(), args.fOutputColor, args.fInputColor,
+                    args.fSamplers);
 }
 
 /////////////////////////////////////////////////////////////////////
 
 bool SkLinearGradient::asFragmentProcessor(GrContext* context, const SkPaint& paint,
                                            const SkMatrix& viewm, const SkMatrix* localMatrix,
                                            GrColor* paintColor,
                                            GrProcessorDataManager* procDataManager,
                                            GrFragmentProcessor** fp)  const {
     SkASSERT(context);
@@ skipping 33 matching lines @@
     str->append("SkLinearGradient (");
 
     str->appendf("start: (%f, %f)", fStart.fX, fStart.fY);
     str->appendf(" end: (%f, %f) ", fEnd.fX, fEnd.fY);
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif