Don't create a GXPFactory when blend is SrcOver

gm/beziereffects.cpp

 
 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // This test only works with the GPU backend.
 
@@ skipping 203 matching lines @@
                     boundsPaint.setColor(0xff808080);
                     boundsPaint.setStrokeWidth(0);
                     boundsPaint.setStyle(SkPaint::kStroke_Style);
                     canvas->drawRect(bounds, boundsPaint);
 
                     GrTestTarget tt;
                     context->getTestTarget(&tt, rt);
                     SkASSERT(tt.target());
 
                     GrPipelineBuilder pipelineBuilder;
+                    pipelineBuilder.setXPFactory(
+                        GrPorterDuffXPFactory::Create(SkXfermode::kSrc_Mode))->unref();
                     pipelineBuilder.setRenderTarget(rt);
 
                     BezierCubicOrConicTestBatch::Geometry geometry;
                     geometry.fColor = color;
                     geometry.fBounds = bounds;
 
                     SkAutoTUnref<GrDrawBatch> batch(
                             BezierCubicOrConicTestBatch::Create(gp, geometry, klmEqs, klmSigns[c]));
 
                     tt.target()->drawBatch(pipelineBuilder, batch);
@@ skipping 125 matching lines @@
                     boundsPaint.setColor(0xff808080);
                     boundsPaint.setStrokeWidth(0);
                     boundsPaint.setStyle(SkPaint::kStroke_Style);
                     canvas->drawRect(bounds, boundsPaint);
 
                     GrTestTarget tt;
                     context->getTestTarget(&tt, rt);
                     SkASSERT(tt.target());
 
                     GrPipelineBuilder pipelineBuilder;
+                    pipelineBuilder.setXPFactory(
+                        GrPorterDuffXPFactory::Create(SkXfermode::kSrc_Mode))->unref();
                     pipelineBuilder.setRenderTarget(rt);
 
                     BezierCubicOrConicTestBatch::Geometry geometry;
                     geometry.fColor = color;
                     geometry.fBounds = bounds;
 
                     SkAutoTUnref<GrDrawBatch> batch(
                             BezierCubicOrConicTestBatch::Create(gp, geometry, klmEqs, 1.f));
 
                     tt.target()->drawBatch(pipelineBuilder, batch);
@@ skipping 218 matching lines @@
                     boundsPaint.setColor(0xff808080);
                     boundsPaint.setStrokeWidth(0);
                     boundsPaint.setStyle(SkPaint::kStroke_Style);
                     canvas->drawRect(bounds, boundsPaint);
 
                     GrTestTarget tt;
                     context->getTestTarget(&tt, rt);
                     SkASSERT(tt.target());
 
                     GrPipelineBuilder pipelineBuilder;
+                    pipelineBuilder.setXPFactory(
+                        GrPorterDuffXPFactory::Create(SkXfermode::kSrc_Mode))->unref();
                     pipelineBuilder.setRenderTarget(rt);
 
                     GrPathUtils::QuadUVMatrix DevToUV(pts);
 
                     BezierQuadTestBatch::Geometry geometry;
                     geometry.fColor = color;
                     geometry.fBounds = bounds;
 
                     SkAutoTUnref<GrDrawBatch> batch(BezierQuadTestBatch::Create(gp, geometry,
                                                                                 DevToUV));
@@ skipping 12 matching lines @@
 private:
     typedef GM INHERITED;
 };
 
 DEF_GM(return new BezierCubicEffects;)
 DEF_GM(return new BezierConicEffects;)
 DEF_GM(return new BezierQuadEffects;)
 }
 
 #endif