skia2/gm/textblobuseaftergpufree.cpp
Chris Dalton 3a77837a5d Reland "Add a GpuGM class for GPU-only tests"
This is a reland of f5efa78902

Original change's description:
> Add a GpuGM class for GPU-only tests
>
> Bug: skia:8731
> Change-Id: Ic81f21621c0183bb356601eb663fa1ee334bca55
> Reviewed-on: https://skia-review.googlesource.com/c/189134
> Reviewed-by: Brian Osman <brianosman@google.com>
> Reviewed-by: Mike Klein <mtklein@google.com>
> Commit-Queue: Chris Dalton <csmartdalton@google.com>

TBR=mtklein@google.com

Bug: skia:8731
Change-Id: Ia322d7e9280b67ebea1edbefc820cae72cd9c3a6
Reviewed-on: https://skia-review.googlesource.com/c/190148
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
2019-02-07 23:11:16 +00:00

60 lines
1.6 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 GpuGM {
public:
TextBlobUseAfterGpuFree() { }
protected:
SkString onShortName() override {
return SkString("textblobuseaftergpufree");
}
SkISize onISize() override {
return SkISize::Make(kWidth, kHeight);
}
void onDraw(GrContext* context, GrRenderTargetContext*, SkCanvas* canvas) override {
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
context->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;)
}