joshualitt | 7a9c45c | 2015-05-26 12:32:23 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "gm.h" |
| 9 | |
| 10 | #if SK_SUPPORT_GPU |
| 11 | |
| 12 | #include "SkCanvas.h" |
| 13 | #include "SkSurface.h" |
| 14 | #include "SkTextBlob.h" |
| 15 | |
| 16 | // This tests that we correctly regenerate textblobs after freeing all gpu resources crbug/491350 |
| 17 | namespace skiagm { |
| 18 | class TextBlobUseAfterGpuFree : public GM { |
| 19 | public: |
| 20 | TextBlobUseAfterGpuFree() { } |
| 21 | |
| 22 | protected: |
| 23 | SkString onShortName() override { |
| 24 | return SkString("textblobuseaftergpufree"); |
| 25 | } |
| 26 | |
| 27 | SkISize onISize() override { |
| 28 | return SkISize::Make(kWidth, kHeight); |
| 29 | } |
| 30 | |
| 31 | void onDraw(SkCanvas* canvas) override { |
| 32 | // This GM exists to test a specific feature of the GPU backend. |
| 33 | if (NULL == canvas->getGrContext()) { |
| 34 | this->drawGpuOnlyMessage(canvas); |
| 35 | return; |
| 36 | } |
| 37 | |
| 38 | const char text[] = "Hamburgefons"; |
| 39 | |
| 40 | SkPaint paint; |
| 41 | sk_tool_utils::set_portable_typeface(&paint); |
| 42 | paint.setTextSize(20); |
| 43 | |
| 44 | SkTextBlobBuilder builder; |
| 45 | |
| 46 | sk_tool_utils::add_to_text_blob(&builder, text, paint, 10, 10); |
| 47 | |
| 48 | SkAutoTUnref<const SkTextBlob> blob(builder.build()); |
| 49 | |
| 50 | // draw textblob |
| 51 | SkRect rect = SkRect::MakeLTRB(0.f, 0.f, SkIntToScalar(kWidth), kHeight / 2.f); |
| 52 | SkPaint rectPaint; |
| 53 | rectPaint.setColor(0xffffffff); |
| 54 | canvas->drawRect(rect, rectPaint); |
| 55 | canvas->drawTextBlob(blob.get(), 10, 50, paint); |
| 56 | |
| 57 | // This text should look fine |
| 58 | canvas->getGrContext()->freeGpuResources(); |
| 59 | canvas->drawTextBlob(blob.get(), 10, 150, paint); |
| 60 | } |
| 61 | |
| 62 | private: |
| 63 | static const int kWidth = 200; |
| 64 | static const int kHeight = 200; |
| 65 | |
| 66 | typedef GM INHERITED; |
| 67 | }; |
| 68 | |
| 69 | ////////////////////////////////////////////////////////////////////////////// |
| 70 | |
| 71 | DEF_GM( return SkNEW(TextBlobUseAfterGpuFree); ) |
| 72 | } |
| 73 | #endif |