Implement stroking a path with nv_path_rendering

src/gpu/GrStencilAndCoverPathRenderer.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 "GrStencilAndCoverPathRenderer.h"
@@ skipping 20 matching lines @@
 }
 
 GrStencilAndCoverPathRenderer::~GrStencilAndCoverPathRenderer() {
     fGpu->unref();
 }
 
 bool GrStencilAndCoverPathRenderer::canDrawPath(const SkPath& path,
                                                 const SkStrokeRec& stroke,
                                                 const GrDrawTarget* target,
                                                 bool antiAlias) const {
-    return stroke.isFillStyle() &&
+    return !stroke.isHairlineStyle() &&
            !antiAlias && // doesn't do per-path AA, relies on the target having MSAA
            !target->getDrawState().willEffectReadDstColor() && // not supported yet
            NULL != target->getDrawState().getRenderTarget()->getStencilBuffer() &&
            target->getDrawState().getStencil().isDisabled();
 }
 
 GrPathRenderer::StencilSupport GrStencilAndCoverPathRenderer::onGetStencilSupport(
                                                         const SkPath&,
                                                         const SkStrokeRec& ,
                                                         const GrDrawTarget*) const {
     return GrPathRenderer::kStencilOnly_StencilSupport;
 }
 
 void GrStencilAndCoverPathRenderer::onStencilPath(const SkPath& path,
                                                   const SkStrokeRec& stroke,
                                                   GrDrawTarget* target) {
     SkASSERT(!path.isInverseFillType());
-    SkAutoTUnref<GrPath> p(fGpu->createPath(path));
+    SkAutoTUnref<GrPath> p(fGpu->createPath(path, stroke));
     target->stencilPath(p, stroke, path.getFillType());
 }
 
 bool GrStencilAndCoverPathRenderer::onDrawPath(const SkPath& path,
                                                const SkStrokeRec& stroke,
                                                GrDrawTarget* target,
                                                bool antiAlias) {
     SkASSERT(!antiAlias);
     SkASSERT(!stroke.isHairlineStyle());
 
     GrDrawState* drawState = target->drawState();
     SkASSERT(drawState->getStencil().isDisabled());
 
-    SkAutoTUnref<GrPath> p(fGpu->createPath(path));
+    SkAutoTUnref<GrPath> p(fGpu->createPath(path, stroke));
 
     if (path.isInverseFillType()) {
         GR_STATIC_CONST_SAME_STENCIL(kInvertedStencilPass,
             kZero_StencilOp,
             kZero_StencilOp,
             // We know our rect will hit pixels outside the clip and the user bits will be 0
             // outside the clip. So we can't just fill where the user bits are 0. We also need to
             // check that the clip bit is set.
             kEqualIfInClip_StencilFunc,
             0xffff,
             0x0000,
             0xffff);
 
         *drawState->stencil() = kInvertedStencilPass;
     } else {
         GR_STATIC_CONST_SAME_STENCIL(kStencilPass,
             kZero_StencilOp,
             kZero_StencilOp,
             kNotEqual_StencilFunc,
             0xffff,
             0x0000,
             0xffff);
 
         *drawState->stencil() = kStencilPass;
     }
 
-    target->fillPath(p, stroke, path.getFillType());
+    target->drawPath(p, stroke, path.getFillType());
 
     target->drawState()->stencil()->setDisabled();
     return true;
 }