19 #include "fuzz/Fuzz.h"
24  * The fuzzer aims to fuzz the use of SkDeferredDisplayList. It mainly consists of
39 static SkSurfaceProps gen_fuzzed_surface_props(Fuzz* fuzz) {  in gen_fuzzed_surface_props()  argument
41     fuzz->nextEnum(&pixel, kBGR_V_SkPixelGeometry);  in gen_fuzzed_surface_props()
45 static SkPaint gen_fuzzed_skpaint(Fuzz* fuzz) {  in gen_fuzzed_skpaint()  argument
47     fuzz->nextRange(&R, -1, 2);  in gen_fuzzed_skpaint()
48     fuzz->nextRange(&G, -1, 2);  in gen_fuzzed_skpaint()
49     fuzz->nextRange(&B, -1, 2);  in gen_fuzzed_skpaint()
50     fuzz->nextRange(&Alpha, 0, 1);  in gen_fuzzed_skpaint()
55 static SkImageInfo gen_fuzzed_imageinfo(Fuzz* fuzz, SkColorType surfaceType) {  in gen_fuzzed_imageinfo()  argument
57     fuzz->nextRange(&width, 1, kMaxWidth);  in gen_fuzzed_imageinfo()
58     fuzz->nextRange(&height, 1, kMaxHeight);  in gen_fuzzed_imageinfo()
60     fuzz->nextEnum(&alphaType, SkAlphaType::kLastEnum_SkAlphaType);  in gen_fuzzed_imageinfo()
63     fuzz->nextRange(&skcms, 0, 5);  in gen_fuzzed_imageinfo()
94     fuzz->nextRange(&skcms, 0, 4);  in gen_fuzzed_imageinfo()
124 static SkSurfaceCharacterization make_characterization(Fuzz* fuzz, GrDirectContext* dContext,  in make_characterization()  argument
142     fuzz->nextEnum(&protect, GrProtected::kYes);  in make_characterization()
148                                 origin, gen_fuzzed_surface_props(fuzz), true,  in make_characterization()
158 static sk_sp<SkDeferredDisplayList> make_ddl(Fuzz* fuzz, GrDirectContext* dContext,  in make_ddl()  argument
168     fuzz->next(&tile);  in make_ddl()
169     canvas->drawRect(tile, gen_fuzzed_skpaint(fuzz));  in make_ddl()
173 static sk_sp<SkSurface> make_surface(Fuzz* fuzz, GrDirectContext* dContext, const SkImageInfo& ii,  in make_surface()  argument
176     fuzz->nextEnum(&budgeted, SkBudgeted::kYes);  in make_surface()
177     SkSurfaceProps surfaceProps = gen_fuzzed_surface_props(fuzz);  in make_surface()
188 static SurfaceAndChar create_surface_and_characterization(Fuzz* fuzz, GrDirectContext* dContext,  in create_surface_and_characterization()  argument
191     SkImageInfo ii = gen_fuzzed_imageinfo(fuzz, surfaceType);  in create_surface_and_characterization()
192     SkSurfaceCharacterization c = make_characterization(fuzz, dContext, ii, surfaceType, origin);  in create_surface_and_characterization()
197     auto surface = make_surface(fuzz, dContext, ii, origin);  in create_surface_and_characterization()
204 DEF_FUZZ(CreateDDL, fuzz) {  in DEF_FUZZ()  argument
207     fuzz->nextEnum(&surfaceType, SkColorType::kLastEnum_SkColorType);  in DEF_FUZZ()
208     fuzz->nextEnum(&origin, GrSurfaceOrigin::kTopLeft_GrSurfaceOrigin);  in DEF_FUZZ()
219     auto[surface, c] = create_surface_and_characterization(fuzz, dContext, surfaceType, origin);  in DEF_FUZZ()
224     sk_sp<SkDeferredDisplayList> ddl = make_ddl(fuzz, dContext, c);  in DEF_FUZZ()