| /* |
| * 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 "include/gpu/GrDirectContext.h" |
| #include "src/core/SkSpecialImage.h" |
| #include "src/core/SkSpecialSurface.h" |
| #include "src/gpu/GrCaps.h" |
| #include "src/gpu/GrDirectContextPriv.h" |
| #include "src/gpu/SkGr.h" |
| #include "tests/Test.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<SkSpecialSurface>& 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<SkSpecialImage> 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<SkSpecialSurface> surf(SkSpecialSurface::MakeRaster(info, SkSurfaceProps())); |
| |
| 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<SkSpecialSurface> surf(SkSpecialSurface::MakeFromBitmap(subset, bm, SkSurfaceProps())); |
| |
| 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) { |
| auto dContext = ctxInfo.directContext(); |
| |
| for (auto colorType : { kRGBA_8888_SkColorType, kRGBA_1010102_SkColorType }) { |
| if (!dContext->colorTypeSupportedAsSurface(colorType)) { |
| continue; |
| } |
| |
| SkImageInfo ii = SkImageInfo::Make({ kSmallerSize, kSmallerSize }, colorType, |
| kPremul_SkAlphaType); |
| |
| auto surf(SkSpecialSurface::MakeRenderTarget(dContext, ii, SkSurfaceProps())); |
| test_surface(surf, reporter, 0); |
| } |
| } |