Extract gpu line dashing to GrDashLinePathRenderer

src/gpu/GrAADistanceFieldPathRenderer.cpp

 
 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrAADistanceFieldPathRenderer.h"
 
@@ skipping 68 matching lines @@
 #ifdef DF_PATH_TRACKING
     SkDebugf("Cached paths: %d, freed paths: %d\n", g_NumCachedPaths, g_NumFreedPaths);
 #endif
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 bool GrAADistanceFieldPathRenderer::canDrawPath(const GrDrawTarget* target,
                                                 const GrPipelineBuilder* pipelineBuilder,
                                                 const SkMatrix& viewMatrix,
                                                 const SkPath& path,
-                                                const SkStrokeRec& stroke,
+                                                const GrStrokeInfo& stroke,
                                                 bool antiAlias) const {
     
     // TODO: Support inverse fill
     // TODO: Support strokes
     if (!target->caps()->shaderDerivativeSupport() || !antiAlias || path.isInverseFillType()
-        || path.isVolatile() || SkStrokeRec::kFill_Style != stroke.getStyle()) {
+        || path.isVolatile() || !stroke.isFillStyle()) {
         return false;
     }
 
     // currently don't support perspective
     if (viewMatrix.hasPerspective()) {
         return false;
     }
     
     // only support paths smaller than 64x64, scaled to less than 256x256
     // the goal is to accelerate rendering of lots of small paths that may be scaling
     SkScalar maxScale = viewMatrix.getMaxScale();
     const SkRect& bounds = path.getBounds();
     SkScalar maxDim = SkMaxScalar(bounds.width(), bounds.height());
     return maxDim < 64.f && maxDim * maxScale < 256.f;
 }
 
 
 GrPathRenderer::StencilSupport
 GrAADistanceFieldPathRenderer::onGetStencilSupport(const GrDrawTarget*,
                                                    const GrPipelineBuilder*,
                                                    const SkPath&,
-                                                   const SkStrokeRec&) const {
+                                                   const GrStrokeInfo&) const {
     return GrPathRenderer::kNoSupport_StencilSupport;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
 // padding around path bounds to allow for antialiased pixels
 static const SkScalar kAntiAliasPad = 1.0f;
 
 class AADistanceFieldPathBatch : public GrBatch {
 public:
@@ skipping 435 matching lines @@
     GrBatchAtlas* fAtlas;
     PathCache* fPathCache;
     PathDataList* fPathList;
 };
 
 bool GrAADistanceFieldPathRenderer::onDrawPath(GrDrawTarget* target,
                                                GrPipelineBuilder* pipelineBuilder,
                                                GrColor color,
                                                const SkMatrix& viewMatrix,
                                                const SkPath& path,
-                                               const SkStrokeRec& stroke,
+                                               const GrStrokeInfo& stroke,
                                                bool antiAlias) {
     // we've already bailed on inverse filled paths, so this is safe
     if (path.isEmpty()) {
         return true;
     }
 
     SkASSERT(fContext);
 
     if (!fAtlas) {
         // Create a new atlas
         GrSurfaceDesc desc;
         desc.fFlags = kNone_GrSurfaceFlags;
         desc.fWidth = ATLAS_TEXTURE_WIDTH;
         desc.fHeight = ATLAS_TEXTURE_HEIGHT;
         desc.fConfig = kAlpha_8_GrPixelConfig;
 
         // We don't want to flush the context so we claim we're in the middle of flushing so as to
         // guarantee we do not recieve a texture with pending IO
         GrTexture* texture = fContext->refScratchTexture(desc, GrContext::kApprox_ScratchTexMatch,
                                                          true);
         if (texture) {
             fAtlas = SkNEW_ARGS(GrBatchAtlas, (texture, NUM_PLOTS_X, NUM_PLOTS_Y));
         } else {
             return false;
         }
         fAtlas->registerEvictionCallback(&GrAADistanceFieldPathRenderer::HandleEviction,
                                          (void*)this);
     }
 
-    AADistanceFieldPathBatch::Geometry geometry(stroke);
+    AADistanceFieldPathBatch::Geometry geometry(stroke.getStrokeRec());
     geometry.fPath = path;
     geometry.fAntiAlias = antiAlias;
 
     SkAutoTUnref<GrBatch> batch(AADistanceFieldPathBatch::Create(geometry, color, viewMatrix,
                                                                  fAtlas, &fPathCache, &fPathList));
 
     SkRect bounds = path.getBounds();
     viewMatrix.mapRect(&bounds);
     target->drawBatch(pipelineBuilder, batch, &bounds);
 
     return true;
 }