joshualitt | e49109f | 2015-07-17 12:47:39 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2015 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "sk_tool_utils.h" |
| 9 | #include "SkCanvas.h" |
| 10 | #include "SkPaint.h" |
| 11 | #include "SkPoint.h" |
| 12 | #include "SkTextBlob.h" |
| 13 | #include "SkFontMgr.h" |
| 14 | #include "SkGraphics.h" |
| 15 | #include "SkSurface.h" |
| 16 | #include "SkTypeface.h" |
| 17 | |
| 18 | #ifdef SK_BUILD_FOR_WIN |
| 19 | #include "SkTypeface_win.h" |
| 20 | #endif |
| 21 | |
| 22 | #include "Test.h" |
| 23 | |
| 24 | #if SK_SUPPORT_GPU |
| 25 | #include "GrContextFactory.h" |
| 26 | |
| 27 | struct TextBlobWrapper { |
| 28 | explicit TextBlobWrapper(const SkTextBlob* blob) : fBlob(SkRef(blob)) {} |
| 29 | TextBlobWrapper(const TextBlobWrapper& blob) : fBlob(SkRef(blob.fBlob.get())) {} |
| 30 | |
| 31 | SkAutoTUnref<const SkTextBlob> fBlob; |
| 32 | }; |
| 33 | |
| 34 | static void draw(SkCanvas* canvas, int redraw, const SkTArray<TextBlobWrapper>& blobs) { |
| 35 | for (int r = 0; r < redraw; r++) { |
| 36 | for (int i = 0; i < blobs.count(); i++) { |
| 37 | SkPaint paint; |
| 38 | canvas->drawTextBlob(blobs[i].fBlob.get(), 0, 0, paint); |
| 39 | } |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | // limit this just so we don't take too long to draw |
| 44 | #define MAX_TOTAL_TEXT 4096 |
| 45 | #define MAX_CHAR 256 |
| 46 | #define MAX_FAMILIES 5 |
| 47 | |
| 48 | // This test hammers the GPU textblobcache and font atlas |
| 49 | DEF_TEST(TextBlobCache, reporter) { |
| 50 | SkAutoTDelete<GrContextFactory> grFactory(SkNEW(GrContextFactory)); |
| 51 | |
| 52 | // setup surface |
| 53 | uint32_t flags = 0; |
| 54 | SkSurfaceProps props(flags, SkSurfaceProps::kLegacyFontHost_InitType); |
| 55 | |
| 56 | GrContext* ctx = grFactory->get(GrContextFactory::kNative_GLContextType); |
| 57 | SkImageInfo info = SkImageInfo::Make(1024, 768, kN32_SkColorType, kPremul_SkAlphaType); |
| 58 | SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTarget(ctx, SkSurface::kNo_Budgeted, info, |
| 59 | 0, &props)); |
| 60 | REPORTER_ASSERT(reporter, surface); |
| 61 | if (!surface) { |
| 62 | return; |
| 63 | } |
| 64 | |
| 65 | SkCanvas* canvas = surface->getCanvas(); |
| 66 | |
| 67 | SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault()); |
| 68 | |
| 69 | int count = SkMin32(fm->countFamilies(), MAX_FAMILIES); |
| 70 | |
| 71 | // make a ton of text |
| 72 | uint16_t text[MAX_TOTAL_TEXT]; |
| 73 | for (int i = 0; i < MAX_TOTAL_TEXT; i++) { |
| 74 | text[i] = i % MAX_CHAR; |
| 75 | } |
| 76 | |
| 77 | // generate textblobs |
| 78 | SkTArray<TextBlobWrapper> blobs; |
| 79 | for (int i = 0; i < count; i++) { |
| 80 | SkPaint paint; |
| 81 | paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); |
| 82 | paint.setTextSize(256); // draw big glyphs to really stress the atlas |
| 83 | |
| 84 | SkString familyName; |
| 85 | fm->getFamilyName(i, &familyName); |
| 86 | SkAutoTUnref<SkFontStyleSet> set(fm->createStyleSet(i)); |
| 87 | for (int j = 0; j < set->count(); ++j) { |
| 88 | SkFontStyle fs; |
| 89 | set->getStyle(j, &fs, NULL); |
| 90 | |
| 91 | SkSafeUnref(paint.setTypeface(set->createTypeface(j))); |
| 92 | |
| 93 | SkTextBlobBuilder builder; |
| 94 | for (int aa = 0; aa < 2; aa++) { |
| 95 | for (int subpixel = 0; subpixel < 2; subpixel++) { |
| 96 | for (int lcd = 0; lcd < 2; lcd++) { |
| 97 | paint.setAntiAlias(SkToBool(aa)); |
| 98 | paint.setSubpixelText(SkToBool(subpixel)); |
| 99 | paint.setLCDRenderText(SkToBool(lcd)); |
| 100 | const SkTextBlobBuilder::RunBuffer& run = builder.allocRun(paint, |
| 101 | MAX_TOTAL_TEXT, |
| 102 | 0, 0, |
| 103 | NULL); |
| 104 | memcpy(run.glyphs, text, MAX_TOTAL_TEXT * sizeof(uint16_t)); |
| 105 | } |
| 106 | } |
| 107 | } |
| 108 | SkNEW_APPEND_TO_TARRAY(&blobs, TextBlobWrapper, (builder.build())); |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | // test redraw |
| 113 | draw(canvas, 2, blobs); |
| 114 | |
| 115 | // test draw after free |
| 116 | ctx->freeGpuResources(); |
| 117 | draw(canvas, 1, blobs); |
| 118 | |
| 119 | // test draw after abandon |
| 120 | ctx->abandonContext(); |
| 121 | draw(canvas, 1, blobs); |
| 122 | } |
| 123 | #endif |