74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
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/*
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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.h"
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#if SK_SUPPORT_GPU
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#include "SkCanvas.h"
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#include "SkSurface.h"
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#include "SkTextBlob.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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// This GM exists to test a specific feature of the GPU backend.
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if (NULL == canvas->getGrContext()) {
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this->drawGpuOnlyMessage(canvas);
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return;
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}
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const char text[] = "Hamburgefons";
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SkPaint paint;
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sk_tool_utils::set_portable_typeface(&paint);
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paint.setTextSize(20);
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SkTextBlobBuilder builder;
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sk_tool_utils::add_to_text_blob(&builder, text, paint, 10, 10);
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SkAutoTUnref<const SkTextBlob> blob(builder.build());
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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.get(), 10, 50, paint);
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// This text should look fine
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canvas->getGrContext()->freeGpuResources();
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canvas->drawTextBlob(blob.get(), 10, 150, paint);
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}
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private:
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static const int kWidth = 200;
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static const int kHeight = 200;
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM( return SkNEW(TextBlobUseAfterGpuFree); )
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}
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#endif
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