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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include "SkPath.h"
#if SK_SUPPORT_GPU
#include "GrContext.h"
#include "ops/GrSmallPathRenderer.h"
#if 0
// This test case including path coords and matrix taken from crbug.com/627443.
// Because of inaccuracies in large floating point values this causes the
// the path renderer to attempt to add a path DF to its atlas that is larger
// than the plot size which used to crash rather than fail gracefully.
static void test_far_from_origin(GrContext* ctx, GrRenderTargetContext* renderTargetContext,
GrPathRenderer* pr) {
SkPath path;
path.lineTo(49.0255089839f, 0.473541f);
// This extra line wasn't in the original bug but was added to fake out GrShape's special
// handling of single line segments.
path.rLineTo(0.015f, 0.015f);
static constexpr SkScalar mvals[] = {14.0348252854f, 2.13026182736f,
13.6122547187f, 118.309922702f,
1912337682.09f, 2105391889.87f};
SkMatrix matrix;
matrix.setAffine(mvals);
SkMatrix inverse;
SkAssertResult(matrix.invert(&inverse));
path.transform(inverse);
SkStrokeRec rec(SkStrokeRec::kFill_InitStyle);
rec.setStrokeStyle(1.f);
rec.setStrokeParams(SkPaint::kRound_Cap, SkPaint::kRound_Join, 1.f);
GrStyle style(rec, nullptr);
GrShape shape(path, style);
shape = shape.applyStyle(GrStyle::Apply::kPathEffectAndStrokeRec, 1.f);
GrPaint paint;
paint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc));
GrNoClip noClip;
GrPathRenderer::DrawPathArgs args{ctx,
std::move(paint),
&GrUserStencilSettings::kUnused,
renderTargetContext,
&noClip,
&matrix,
&shape,
GrAAType::kCoverage,
false};
pr->drawPath(args);
}
DEF_GPUTEST_FOR_ALL_GL_CONTEXTS(SmallPathRenderer, reporter, ctxInfo) {
GrContext* ctx = ctxInfo.grContext();
// The DF PR only works with contexts that support derivatives
if (!ctx->caps()->shaderCaps()->shaderDerivativeSupport()) {
return;
}
sk_sp<GrRenderTargetContext> rtc(ctx->makeRenderTargetContext(SkBackingFit::kApprox,
800, 800,
kRGBA_8888_GrPixelConfig,
nullptr,
0,
kTopLeft_GrSurfaceOrigin));
if (!rtc) {
return;
}
GrSmallPathRenderer spr;
ctx->flush();
test_far_from_origin(ctx, rtc.get(), &spr);
ctx->flush();
}
#endif
#endif
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