| /* |
| * 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/gm.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkFont.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkRect.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkSize.h" |
| #include "include/core/SkString.h" |
| #include "include/core/SkTextBlob.h" |
| #include "include/core/SkTypeface.h" |
| #include "include/gpu/GrDirectContext.h" |
| #include "tools/ToolUtils.h" |
| #include "tools/fonts/FontToolUtils.h" |
| |
| #include <string.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 getName() const override { return SkString("textblobuseaftergpufree"); } |
| |
| SkISize getISize() override { return SkISize::Make(kWidth, kHeight); } |
| |
| void onDraw(SkCanvas* canvas) override { |
| auto dContext = GrAsDirectContext(canvas->recordingContext()); |
| |
| const char text[] = "Hamburgefons"; |
| |
| SkFont font(ToolUtils::DefaultPortableTypeface(), 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 |
| if (dContext) { |
| dContext->freeGpuResources(); |
| } |
| canvas->drawTextBlob(blob, 20, 160, SkPaint()); |
| } |
| |
| private: |
| inline static constexpr int kWidth = 200; |
| inline static constexpr int kHeight = 200; |
| |
| using INHERITED = GM; |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| DEF_GM(return new TextBlobUseAfterGpuFree;) |
| } // namespace skiagm |