Make GrClipMaskManager stateless and push GrPipelineBuilder construction downstack

src/gpu/GrSWMaskHelper.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 "GrSWMaskHelper.h"
 
 #include "GrCaps.h"
-#include "GrDrawTarget.h"
+#include "GrContext.h"
+#include "batches/GrDrawBatch.h"
+#include "GrDrawContext.h"
 #include "GrGpu.h"
 #include "GrPipelineBuilder.h"
 #include "GrStyle.h"
 
 #include "SkData.h"
 #include "SkDistanceFieldGen.h"
 #include "SkStrokeRec.h"
 
 #include "batches/GrRectBatchFactory.h"
 
@@ skipping 130 matching lines @@
     if (!texture) {
         return nullptr;
     }
 
     helper.toTexture(texture);
 
     return texture;
 }
 
 void GrSWMaskHelper::DrawToTargetWithPathMask(GrTexture* texture,
-                                              GrDrawTarget* target,
-                                              GrPipelineBuilder* pipelineBuilder,
+                                              GrDrawContext* drawContext,
+                                              const GrPaint* paint,
+                                              const GrUserStencilSettings* userStencilSettings,
                                               const GrClip& clip,
                                               GrColor color,
                                               const SkMatrix& viewMatrix,
                                               const SkIRect& rect) {
     SkMatrix invert;
     if (!viewMatrix.invert(&invert)) {
         return;
     }
-    GrPipelineBuilder::AutoRestoreFragmentProcessorState arfps(*pipelineBuilder);
 
     SkRect dstRect = SkRect::MakeLTRB(SK_Scalar1 * rect.fLeft,
                                       SK_Scalar1 * rect.fTop,
                                       SK_Scalar1 * rect.fRight,
                                       SK_Scalar1 * rect.fBottom);
 
     // We use device coords to compute the texture coordinates. We take the device coords and apply
     // a translation so that the top-left of the device bounds maps to 0,0, and then a scaling
     // matrix to normalized coords.
     SkMatrix maskMatrix;
     maskMatrix.setIDiv(texture->width(), texture->height());
     maskMatrix.preTranslate(SkIntToScalar(-rect.fLeft), SkIntToScalar(-rect.fTop));
 
-    pipelineBuilder->addCoverageFragmentProcessor(
+    GrPipelineBuilder pipelineBuilder(*paint, drawContext->isUnifiedMultisampled());
+    pipelineBuilder.setRenderTarget(drawContext->accessRenderTarget());
+    pipelineBuilder.setUserStencil(userStencilSettings);
+
+    pipelineBuilder.addCoverageFragmentProcessor(
                          GrSimpleTextureEffect::Create(texture,
                                                        maskMatrix,
                                                        GrTextureParams::kNone_FilterMode,
                                                        kDevice_GrCoordSet))->unref();
 
     SkAutoTUnref<GrDrawBatch> batch(GrRectBatchFactory::CreateNonAAFill(color, SkMatrix::I(),
                                                                         dstRect, nullptr, &invert));
-    target->drawBatch(*pipelineBuilder, clip, batch);
+    drawContext->drawBatch(pipelineBuilder, clip, batch);
 }