/* * Copyright 2016 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file */ #include "include/core/SkBitmap.h" #include "include/core/SkCanvas.h" #include "src/core/SkSpecialImage.h" #include "src/core/SkSpecialSurface.h" #include "tests/Test.h" #include "include/gpu/GrContext.h" #include "src/gpu/GrCaps.h" #include "src/gpu/GrContextPriv.h" #include "src/gpu/SkGr.h" class TestingSpecialSurfaceAccess { public: static const SkIRect& Subset(const SkSpecialSurface* surf) { return surf->subset(); } }; // Both 'kSmallerSize' and 'kFullSize' need to be a non-power-of-2 to exercise // the gpu's loose fit behavior static const int kSmallerSize = 10; static const int kPad = 5; static const int kFullSize = kSmallerSize + 2 * kPad; // Exercise the public API of SkSpecialSurface (e.g., getCanvas, newImageSnapshot) static void test_surface(const sk_sp& surf, skiatest::Reporter* reporter, int offset) { const SkIRect surfSubset = TestingSpecialSurfaceAccess::Subset(surf.get()); REPORTER_ASSERT(reporter, offset == surfSubset.fLeft); REPORTER_ASSERT(reporter, offset == surfSubset.fTop); REPORTER_ASSERT(reporter, kSmallerSize == surfSubset.width()); REPORTER_ASSERT(reporter, kSmallerSize == surfSubset.height()); SkCanvas* canvas = surf->getCanvas(); SkASSERT_RELEASE(canvas); canvas->clear(SK_ColorRED); sk_sp img(surf->makeImageSnapshot()); REPORTER_ASSERT(reporter, img); const SkIRect imgSubset = img->subset(); REPORTER_ASSERT(reporter, surfSubset == imgSubset); // the canvas was invalidated by the newImageSnapshot call REPORTER_ASSERT(reporter, !surf->getCanvas()); } DEF_TEST(SpecialSurface_Raster, reporter) { SkImageInfo info = SkImageInfo::MakeN32(kSmallerSize, kSmallerSize, kOpaque_SkAlphaType); sk_sp surf(SkSpecialSurface::MakeRaster(info)); test_surface(surf, reporter, 0); } DEF_TEST(SpecialSurface_Raster2, reporter) { SkBitmap bm; bm.allocN32Pixels(kFullSize, kFullSize, true); const SkIRect subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); sk_sp surf(SkSpecialSurface::MakeFromBitmap(subset, bm)); test_surface(surf, reporter, kPad); // TODO: check that the clear didn't escape the active region } DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialSurface_Gpu1, reporter, ctxInfo) { for (auto colorType : {GrColorType::kRGBA_8888, GrColorType::kRGBA_1010102}) { if (!ctxInfo.grContext()->colorTypeSupportedAsSurface( GrColorTypeToSkColorType(colorType))) { continue; } sk_sp surf(SkSpecialSurface::MakeRenderTarget( ctxInfo.grContext(), kSmallerSize, kSmallerSize, colorType, nullptr)); test_surface(surf, reporter, 0); } }