blob: 7c2ff9e688cd96b5281831836f63138d971b5421 [file] [log] [blame]
* 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 "GrDashLinePathRenderer.h"
#include "GrAuditTrail.h"
#include "GrGpu.h"
#include "ops/GrDashOp.h"
#include "ops/GrMeshDrawOp.h"
GrDashLinePathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const {
SkPoint pts[2];
bool inverted;
if (args.fShape->style().isDashed() && args.fShape->asLine(pts, &inverted)) {
if (args.fAAType == GrAAType::kMixedSamples) {
return CanDrawPath::kNo;
// We should never have an inverse dashed case.
if (!GrDashOp::CanDrawDashLine(pts, args.fShape->style(), *args.fViewMatrix)) {
return CanDrawPath::kNo;
return CanDrawPath::kYes;
return CanDrawPath::kNo;
bool GrDashLinePathRenderer::onDrawPath(const DrawPathArgs& args) {
GrDashOp::AAMode aaMode = GrDashOp::AAMode::kNone;
switch (args.fAAType) {
case GrAAType::kNone:
case GrAAType::kCoverage:
case GrAAType::kMixedSamples:
aaMode = GrDashOp::AAMode::kCoverage;
case GrAAType::kMSAA:
// In this mode we will use aa between dashes but the outer border uses MSAA. Otherwise,
// we can wind up with external edges antialiased and internal edges unantialiased.
aaMode = GrDashOp::AAMode::kCoverageWithMSAA;
SkPoint pts[2];
SkAssertResult(args.fShape->asLine(pts, nullptr));
std::unique_ptr<GrDrawOp> op =
GrDashOp::MakeDashLineOp(args.fContext, std::move(args.fPaint), *args.fViewMatrix, pts,
aaMode, args.fShape->style(), args.fUserStencilSettings);
if (!op) {
return false;
args.fRenderTargetContext->addDrawOp(*args.fClip, std::move(op));
return true;