blob: ccfd5bad65bed07875c7f20eba9888e0fe80f90d [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 "src/gpu/ops/DashLinePathRenderer.h"
#include "src/gpu/GrAuditTrail.h"
#include "src/gpu/GrGpu.h"
#include "src/gpu/geometry/GrStyledShape.h"
#include "src/gpu/ops/DashOp.h"
#include "src/gpu/ops/GrMeshDrawOp.h"
#include "src/gpu/v1/SurfaceDrawContext_v1.h"
namespace skgpu::v1 {
PathRenderer::CanDrawPath DashLinePathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const {
SkPoint pts[2];
bool inverted;
if (args.fShape->style().isDashed() && args.fShape->asLine(pts, &inverted)) {
// We should never have an inverse dashed case.
if (!DashOp::CanDrawDashLine(pts, args.fShape->style(), *args.fViewMatrix)) {
return CanDrawPath::kNo;
return CanDrawPath::kYes;
return CanDrawPath::kNo;
bool DashLinePathRenderer::onDrawPath(const DrawPathArgs& args) {
DashOp::AAMode aaMode;
switch (args.fAAType) {
case GrAAType::kNone:
aaMode = DashOp::AAMode::kNone;
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 = DashOp::AAMode::kCoverageWithMSAA;
case GrAAType::kCoverage:
aaMode = DashOp::AAMode::kCoverage;
SkPoint pts[2];
SkAssertResult(args.fShape->asLine(pts, nullptr));
GrOp::Owner op = DashOp::MakeDashLineOp(args.fContext, std::move(args.fPaint),
*args.fViewMatrix, pts, aaMode, args.fShape->style(),
if (!op) {
return false;
args.fSurfaceDrawContext->addDrawOp(args.fClip, std::move(op));
return true;
} // namespace skgpu::v1