| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| // This is a GPU-backend specific test. |
| |
| #include "tests/Test.h" |
| |
| using namespace sk_gpu_test; |
| |
| #include "tools/gpu/GrContextFactory.h" |
| |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkSurface.h" |
| #include "include/gpu/GrDirectContext.h" |
| #include "src/core/SkImagePriv.h" |
| |
| static bool surface_is_expected_color(SkSurface* surf, const SkImageInfo& ii, SkColor color) { |
| SkBitmap bm; |
| bm.allocPixels(ii); |
| |
| surf->readPixels(bm, 0, 0); |
| |
| for (int y = 0; y < bm.height(); ++y) { |
| for (int x = 0; x < bm.width(); ++x) { |
| if (bm.getColor(x, y) != color) { |
| return false; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| static void basic_test(skiatest::Reporter* reporter, GrRecordingContext* rContext) { |
| const SkImageInfo ii = SkImageInfo::Make(64, 64, kN32_SkColorType, kPremul_SkAlphaType); |
| |
| SkBitmap bm; |
| bm.allocPixels(ii); |
| |
| SkCanvas bmCanvas(bm); |
| bmCanvas.clear(SK_ColorRED); |
| |
| // We start off with the raster image being all red. |
| sk_sp<SkImage> img = SkMakeImageFromRasterBitmap(bm, kNever_SkCopyPixelsMode); |
| |
| sk_sp<SkSurface> gpuSurface = SkSurface::MakeRenderTarget(rContext, SkBudgeted::kYes, ii); |
| SkCanvas* canvas = gpuSurface->getCanvas(); |
| |
| // w/o pinning - the gpu draw always reflects the current state of the underlying bitmap |
| { |
| canvas->drawImage(img, 0, 0); |
| REPORTER_ASSERT(reporter, surface_is_expected_color(gpuSurface.get(), ii, SK_ColorRED)); |
| |
| bmCanvas.clear(SK_ColorGREEN); |
| |
| canvas->drawImage(img, 0, 0); |
| REPORTER_ASSERT(reporter, surface_is_expected_color(gpuSurface.get(), ii, SK_ColorGREEN)); |
| } |
| |
| // w/ pinning - the gpu draw is stuck at the pinned state |
| { |
| SkImage_pinAsTexture(img.get(), rContext); // pin at blue |
| |
| canvas->drawImage(img, 0, 0); |
| REPORTER_ASSERT(reporter, surface_is_expected_color(gpuSurface.get(), ii, SK_ColorGREEN)); |
| |
| bmCanvas.clear(SK_ColorBLUE); |
| |
| canvas->drawImage(img, 0, 0); |
| REPORTER_ASSERT(reporter, surface_is_expected_color(gpuSurface.get(), ii, SK_ColorGREEN)); |
| |
| SkImage_unpinAsTexture(img.get(), rContext); |
| } |
| |
| // once unpinned local changes will be picked up |
| { |
| canvas->drawImage(img, 0, 0); |
| REPORTER_ASSERT(reporter, surface_is_expected_color(gpuSurface.get(), ii, SK_ColorBLUE)); |
| } |
| } |
| |
| // Deleting the context while there are still pinned images shouldn't result in a crash. |
| static void cleanup_test(skiatest::Reporter* reporter) { |
| |
| const SkImageInfo ii = SkImageInfo::Make(64, 64, kN32_SkColorType, kPremul_SkAlphaType); |
| |
| SkBitmap bm; |
| bm.allocPixels(ii); |
| |
| SkCanvas bmCanvas(bm); |
| bmCanvas.clear(SK_ColorRED); |
| |
| for (int i = 0; i < GrContextFactory::kContextTypeCnt; ++i) { |
| GrContextFactory::ContextType ctxType = (GrContextFactory::ContextType) i; |
| |
| { |
| sk_sp<SkImage> img; |
| GrDirectContext* context = nullptr; |
| |
| { |
| GrContextFactory testFactory; |
| ContextInfo info = testFactory.getContextInfo(ctxType); |
| context = info.directContext(); |
| if (!context) { |
| continue; |
| } |
| |
| img = SkMakeImageFromRasterBitmap(bm, kNever_SkCopyPixelsMode); |
| if (!SkImage_pinAsTexture(img.get(), context)) { |
| continue; |
| } |
| } |
| |
| // The GrContext used to pin the image is gone at this point! |
| // "context" isn't technically used in this call but it can't be null! |
| // We don't really want to support this use case but it currently happens. |
| SkImage_unpinAsTexture(img.get(), context); |
| } |
| } |
| } |
| |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(PinnedImageTest, reporter, ctxInfo) { |
| basic_test(reporter, ctxInfo.directContext()); |
| cleanup_test(reporter); |
| } |