71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm/gm.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkFont.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkScalar.h"
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#include "include/core/SkSize.h"
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#include "include/core/SkString.h"
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#include "include/core/SkTextBlob.h"
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#include "include/core/SkTypeface.h"
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#include "include/gpu/GrDirectContext.h"
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#include "tools/ToolUtils.h"
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#include <string.h>
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// This tests that we correctly regenerate textblobs after freeing all gpu resources crbug/491350
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namespace skiagm {
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class TextBlobUseAfterGpuFree : public GM {
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public:
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TextBlobUseAfterGpuFree() { }
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protected:
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SkString onShortName() override {
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return SkString("textblobuseaftergpufree");
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}
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SkISize onISize() override {
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return SkISize::Make(kWidth, kHeight);
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}
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void onDraw(SkCanvas* canvas) override {
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auto dContext = GrAsDirectContext(canvas->recordingContext());
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const char text[] = "Hamburgefons";
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SkFont font(ToolUtils::create_portable_typeface(), 20);
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auto blob = SkTextBlob::MakeFromText(text, strlen(text), font);
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// draw textblob
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SkRect rect = SkRect::MakeLTRB(0.f, 0.f, SkIntToScalar(kWidth), kHeight / 2.f);
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SkPaint rectPaint;
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rectPaint.setColor(0xffffffff);
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canvas->drawRect(rect, rectPaint);
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canvas->drawTextBlob(blob, 20, 60, SkPaint());
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// This text should look fine
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if (dContext) {
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dContext->freeGpuResources();
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}
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canvas->drawTextBlob(blob, 20, 160, SkPaint());
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}
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private:
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inline static constexpr int kWidth = 200;
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inline static constexpr int kHeight = 200;
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using INHERITED = GM;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM(return new TextBlobUseAfterGpuFree;)
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} // namespace skiagm
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