Stateful PathRenderer implementation

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 16 matching lines @@
 GrStencilAndCoverPathRenderer::GrStencilAndCoverPathRenderer(GrGpu* gpu) {
     SkASSERT(gpu->caps()->pathStencilingSupport());
     fGpu = gpu;
     gpu->ref();
 }
 
 GrStencilAndCoverPathRenderer::~GrStencilAndCoverPathRenderer() {
     fGpu->unref();
 }
 
-bool GrStencilAndCoverPathRenderer::canDrawPath(const SkPath& path,
-                                                const SkStrokeRec& stroke,
+bool GrStencilAndCoverPathRenderer::canDrawPath(const SkStrokeRec& stroke,
                                                 const GrDrawTarget* target,
                                                 bool antiAlias) const {
     return stroke.isFillStyle() &&
            !antiAlias && // doesn't do per-path AA, relies on the target having MSAA
            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,
+void GrStencilAndCoverPathRenderer::onStencilPath(const SkStrokeRec& stroke,
                                                   GrDrawTarget* target) {
-    SkASSERT(!path.isInverseFillType());
-    SkAutoTUnref<GrPath> p(fGpu->createPath(path));
-    target->stencilPath(p, stroke, path.getFillType());
+    SkASSERT(!fPath.isInverseFillType());
+    SkAutoTUnref<GrPath> p(fGpu->createPath(fPath));
+    target->stencilPath(p, stroke, fPath.getFillType());
 }
 
-bool GrStencilAndCoverPathRenderer::onDrawPath(const SkPath& path,
-                                               const SkStrokeRec& stroke,
+bool GrStencilAndCoverPathRenderer::onDrawPath(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(fPath));
 
-    SkPath::FillType nonInvertedFill = SkPath::ConvertToNonInverseFillType(path.getFillType());
+    SkPath::FillType nonInvertedFill = SkPath::ConvertToNonInverseFillType(fPath.getFillType());
     target->stencilPath(p, stroke, nonInvertedFill);
 
     // TODO: Use built in cover operation rather than a rect draw. This will require making our
     // fragment shaders be able to eat varyings generated by a matrix.
 
     // fill the path, zero out the stencil
     SkRect bounds = p->getBounds();
     SkScalar bloat = drawState->getViewMatrix().getMaxStretch() * SK_ScalarHalf;
     GrDrawState::AutoViewMatrixRestore avmr;
 
-    if (nonInvertedFill == path.getFillType()) {
+    if (nonInvertedFill == fPath.getFillType()) {
         GR_STATIC_CONST_SAME_STENCIL(kStencilPass,
             kZero_StencilOp,
             kZero_StencilOp,
             kNotEqual_StencilFunc,
             0xffff,
             0x0000,
             0xffff);
         *drawState->stencil() = kStencilPass;
     } else {
         GR_STATIC_CONST_SAME_STENCIL(kInvertedStencilPass,
@@ skipping 19 matching lines @@
             avmr.setIdentity(drawState);
             bloat = 0;
         }
         *drawState->stencil() = kInvertedStencilPass;
     }
     bounds.outset(bloat, bloat);
     target->drawSimpleRect(bounds, NULL);
     target->drawState()->stencil()->setDisabled();
     return true;
 }