Use GrShape in GrPathRenderer.

src/gpu/GrDrawContext.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrBatchTest.h"
 #include "GrColor.h"
 #include "GrDrawContext.h"
@@ skipping 907 matching lines @@
     // aa. If we have some future driver-mojo path AA that can do the right
     // thing WRT to the blend then we'll need some query on the PR.
     bool useCoverageAA = doAA && !fDrawContext->fRenderTarget->isUnifiedMultisampled();
     bool hasUserStencilSettings = !ss->isUnused();
     bool isStencilBufferMSAA = fDrawContext->fRenderTarget->isStencilBufferMultisampled();
 
     const GrPathRendererChain::DrawType type =
         useCoverageAA ? GrPathRendererChain::kColorAntiAlias_DrawType
                       : GrPathRendererChain::kColor_DrawType;
 
+    GrShape shape(path, GrStyle::SimpleFill());
     GrPathRenderer::CanDrawPathArgs canDrawArgs;
     canDrawArgs.fShaderCaps = fDrawContext->fDrawingManager->getContext()->caps()->shaderCaps();
     canDrawArgs.fViewMatrix = &viewMatrix;
-    canDrawArgs.fPath = &path;
-    canDrawArgs.fStyle = &GrStyle::SimpleFill();
+    canDrawArgs.fShape = &shape;
     canDrawArgs.fAntiAlias = useCoverageAA;
     canDrawArgs.fHasUserStencilSettings = hasUserStencilSettings;
     canDrawArgs.fIsStencilBufferMSAA = isStencilBufferMSAA;
 
     // Don't allow the SW renderer
     GrPathRenderer* pr = fDrawContext->fDrawingManager->getPathRenderer(canDrawArgs, false, type);
     if (!pr) {
         return false;
     }
 
     GrPaint paint;
     paint.setCoverageSetOpXPFactory(op, invert);
 
     GrPathRenderer::DrawPathArgs args;
     args.fResourceProvider = fDrawContext->fDrawingManager->getContext()->resourceProvider();
     args.fPaint = &paint;
     args.fUserStencilSettings = ss;
     args.fDrawContext = fDrawContext;
     args.fClip = &clip;
     args.fColor = GrColor_WHITE;
     args.fViewMatrix = &viewMatrix;
-    args.fPath = &path;
-    args.fStyle = &GrStyle::SimpleFill();
+    args.fShape = &shape;
     args.fAntiAlias = useCoverageAA;
     args.fGammaCorrect = fDrawContext->isGammaCorrect();
     pr->drawPath(args);
     return true;
 }
 
 void GrDrawContext::internalDrawPath(const GrClip& clip,
                                      const GrPaint& paint,
                                      const SkMatrix& viewMatrix,
-                                     const SkPath& origPath,
-                                     const GrStyle& origStyle) {
+                                     const SkPath& path,
+                                     const GrStyle& style) {
     ASSERT_SINGLE_OWNER
     RETURN_IF_ABANDONED
-    SkASSERT(!origPath.isEmpty());
+    SkASSERT(!path.isEmpty());
 
     bool useCoverageAA = should_apply_coverage_aa(paint, fRenderTarget.get());
     constexpr bool kHasUserStencilSettings = false;
     bool isStencilBufferMSAA = fRenderTarget->isStencilBufferMultisampled();
 
     const GrPathRendererChain::DrawType type =
         useCoverageAA ? GrPathRendererChain::kColorAntiAlias_DrawType
                       : GrPathRendererChain::kColor_DrawType;
 
-    SkTLazy<SkPath> tmpPath;
-    SkTLazy<GrStyle> tmpStyle;
-
+    GrShape shape(path, style);
     GrPathRenderer::CanDrawPathArgs canDrawArgs;
     canDrawArgs.fShaderCaps = fDrawingManager->getContext()->caps()->shaderCaps();
     canDrawArgs.fViewMatrix = &viewMatrix;
-    canDrawArgs.fPath = &origPath;
-    canDrawArgs.fStyle = &origStyle;
+    canDrawArgs.fShape = &shape;
     canDrawArgs.fAntiAlias = useCoverageAA;
     canDrawArgs.fHasUserStencilSettings = kHasUserStencilSettings;
     canDrawArgs.fIsStencilBufferMSAA = isStencilBufferMSAA;
 
     // Try a 1st time without applying any of the style to the geometry (and barring sw)
     GrPathRenderer* pr = fDrawingManager->getPathRenderer(canDrawArgs, false, type);
     SkScalar styleScale =  GrStyle::MatrixToScaleFactor(viewMatrix);
 
-    if (!pr && canDrawArgs.fStyle->pathEffect()) {
+    if (!pr && shape.style().pathEffect()) {
         // It didn't work above, so try again with the path effect applied.
-        SkStrokeRec rec(SkStrokeRec::kFill_InitStyle);
-        if (!canDrawArgs.fStyle->applyPathEffectToPath(tmpPath.init(), &rec, *canDrawArgs.fPath,
-                                                       styleScale)) {
-            GrStyle noPathEffect(canDrawArgs.fStyle->strokeRec(), nullptr);
-            this->internalDrawPath(clip, paint, viewMatrix, *canDrawArgs.fPath, noPathEffect);
+        shape = shape.applyStyle(GrStyle::Apply::kPathEffectOnly, styleScale);
+        if (shape.isEmpty()) {
             return;
         }
-        tmpStyle.init(rec, nullptr);
-        canDrawArgs.fPath = tmpPath.get();
-        canDrawArgs.fStyle = tmpStyle.get();
-        if (canDrawArgs.fPath->isEmpty()) {
-            return;
-        }
-
         pr = fDrawingManager->getPathRenderer(canDrawArgs, false, type);
     }
     if (!pr) {
-        SkASSERT(!canDrawArgs.fStyle->pathEffect());
-        if (canDrawArgs.fStyle->strokeRec().needToApply()) {
-            if (!tmpPath.isValid()) {
-                tmpPath.init();
-            }
-            // It didn't work above, so try again by applying the stroke to the geometry.
-            SkStrokeRec::InitStyle fillOrHairline;
-            if (!canDrawArgs.fStyle->applyToPath(tmpPath.get(), &fillOrHairline,
-                                                 *canDrawArgs.fPath, styleScale)) {
+        if (shape.style().applies()) {
+            shape = shape.applyStyle(GrStyle::Apply::kPathEffectAndStrokeRec, styleScale);
+            if (shape.isEmpty()) {
                 return;
             }
-            if (!tmpStyle.isValid()) {
-                tmpStyle.init(fillOrHairline);
-            } else {
-                tmpStyle.get()->resetToInitStyle(fillOrHairline);
-            }
-            canDrawArgs.fPath = tmpPath.get();
-            canDrawArgs.fStyle = tmpStyle.get();
-            if (canDrawArgs.fPath->isEmpty()) {
-                return;
-            }
-
-            pr = fDrawingManager->getPathRenderer(canDrawArgs, false, type);
         }
-
         // This time, allow SW renderer
         pr = fDrawingManager->getPathRenderer(canDrawArgs, true, type);
     }
 
-    if (nullptr == pr) {
+    if (!pr) {
 #ifdef SK_DEBUG
         SkDebugf("Unable to find path renderer compatible with path.\n");
 #endif
         return;
     }
 
     GrPathRenderer::DrawPathArgs args;
     args.fResourceProvider = fDrawingManager->getContext()->resourceProvider();
     args.fPaint = &paint;
     args.fUserStencilSettings = &GrUserStencilSettings::kUnused;
     args.fDrawContext = this;
     args.fClip = &clip;
     args.fColor = paint.getColor();
     args.fViewMatrix = &viewMatrix;
-    args.fPath = canDrawArgs.fPath;
-    args.fStyle = canDrawArgs.fStyle;
+    args.fShape = canDrawArgs.fShape;
     args.fAntiAlias = useCoverageAA;
     args.fGammaCorrect = this->isGammaCorrect();
     pr->drawPath(args);
 }
 
 void GrDrawContext::drawBatch(const GrPipelineBuilder& pipelineBuilder, const GrClip& clip,
                               GrDrawBatch* batch) {
     ASSERT_SINGLE_OWNER
     RETURN_IF_ABANDONED
     SkDEBUGCODE(this->validate();)
     GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::drawBatch");
 
     this->getDrawTarget()->drawBatch(pipelineBuilder, this, clip, batch);
 }