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

src/effects/gradients/SkSweepGradient.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 "SkSweepGradient.h"
 
@@ skipping 172 matching lines @@
 
 #include "SkGr.h"
 #include "gl/builders/GrGLProgramBuilder.h"
 
 class GrGLSweepGradient : public GrGLGradientEffect {
 public:
 
     GrGLSweepGradient(const GrProcessor&) {}
     virtual ~GrGLSweepGradient() { }
 
-    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 50 matching lines @@
     GrFragmentProcessor* fp;
     GrColor paintColor;
     SkAssertResult(shader->asFragmentProcessor(d->fContext, paint,
                                                GrTest::TestMatrix(d->fRandom), NULL,
                                                &paintColor, d->fProcDataManager, &fp));
     return fp;
 }
 
 /////////////////////////////////////////////////////////////////////
 
-void GrGLSweepGradient::emitCode(GrGLFPBuilder* builder,
-                                 const GrFragmentProcessor& fp,
-                                 const char* outputColor,
-                                 const char* inputColor,
-                                 const TransformedCoordsArray& coords,
-                                 const TextureSamplerArray& samplers) {
-    const GrSweepGradient& ge = fp.cast<GrSweepGradient>();
-    this->emitUniforms(builder, ge);
-    SkString coords2D = builder->getFragmentShaderBuilder()->ensureFSCoords2D(coords, 0);
-    const GrGLContextInfo& ctxInfo = builder->ctxInfo();
+void GrGLSweepGradient::emitCode(EmitArgs& args) {
+    const GrSweepGradient& ge = args.fFp.cast<GrSweepGradient>();
+    this->emitUniforms(args.fBuilder, ge);
+    SkString coords2D = args.fBuilder->getFragmentShaderBuilder()
+                                        ->ensureFSCoords2D(args.fCoords, 0);
+    const GrGLContextInfo& ctxInfo = args.fBuilder->ctxInfo();
     SkString t;
     // 0.1591549430918 is 1/(2*pi), used since atan returns values [-pi, pi]
     // On Intel GPU there is an issue where it reads the second arguement to atan "- %s.x" as an int
     // thus must us -1.0 * %s.x to work correctly
     if (kIntel_GrGLVendor != ctxInfo.vendor()){
         t.printf("atan(- %s.y, - %s.x) * 0.1591549430918 + 0.5",
                  coords2D.c_str(), coords2D.c_str());
     } else {
         t.printf("atan(- %s.y, -1.0 * %s.x) * 0.1591549430918 + 0.5",
                  coords2D.c_str(), coords2D.c_str());
     }
-    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 SkSweepGradient::asFragmentProcessor(GrContext* context, const SkPaint& paint,
                                           const SkMatrix& viewM,
                                           const SkMatrix* localMatrix, GrColor* paintColor,
                                           GrProcessorDataManager* procDataManager,
                                           GrFragmentProcessor** effect)  const {
 
@@ skipping 35 matching lines @@
     str->appendScalar(fCenter.fX);
     str->append(", ");
     str->appendScalar(fCenter.fY);
     str->append(") ");
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif