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- /*
- * 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<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));
- 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));
- 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<SkSpecialSurface> surf(SkSpecialSurface::MakeRenderTarget(
- ctxInfo.grContext(), kSmallerSize, kSmallerSize, colorType, nullptr));
- test_surface(surf, reporter, 0);
- }
- }
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