skia2/gm/textblobuseaftergpufree.cpp
Mike Reed 28bd882a1e use font in tool_utils add_to_text_blob()
Bug: skia:
Change-Id: Ie0b56a56bd7a1f67bfaad90d30ac7d0477944a61
Reviewed-on: https://skia-review.googlesource.com/c/179982
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Auto-Submit: Mike Reed <reed@google.com>
2018-12-23 03:56:05 +00:00

66 lines
1.8 KiB
C++

/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "sk_tool_utils.h"
#include "SkCanvas.h"
#include "SkSurface.h"
#include "SkTextBlob.h"
#include "GrContext.h"
// This tests that we correctly regenerate textblobs after freeing all gpu resources crbug/491350
namespace skiagm {
class TextBlobUseAfterGpuFree : public GM {
public:
TextBlobUseAfterGpuFree() { }
protected:
SkString onShortName() override {
return SkString("textblobuseaftergpufree");
}
SkISize onISize() override {
return SkISize::Make(kWidth, kHeight);
}
void onDraw(SkCanvas* canvas) override {
// This GM exists to test a specific feature of the GPU backend.
if (nullptr == canvas->getGrContext()) {
skiagm::GM::DrawGpuOnlyMessage(canvas);
return;
}
const char text[] = "Hamburgefons";
SkFont font(sk_tool_utils::create_portable_typeface(), 20);
auto blob = SkTextBlob::MakeFromText(text, strlen(text), font);
// draw textblob
SkRect rect = SkRect::MakeLTRB(0.f, 0.f, SkIntToScalar(kWidth), kHeight / 2.f);
SkPaint rectPaint;
rectPaint.setColor(0xffffffff);
canvas->drawRect(rect, rectPaint);
canvas->drawTextBlob(blob, 20, 60, SkPaint());
// This text should look fine
canvas->getGrContext()->freeGpuResources();
canvas->drawTextBlob(blob, 20, 160, SkPaint());
}
private:
static constexpr int kWidth = 200;
static constexpr int kHeight = 200;
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM(return new TextBlobUseAfterGpuFree;)
}