/* * Copyright 2013 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include #include "SkCanvas.h" #include "SkData.h" #include "SkDevice.h" #include "SkImage_Base.h" #include "SkOverdrawCanvas.h" #include "SkPath.h" #include "SkRegion.h" #include "SkRRect.h" #include "SkSurface.h" #include "SkUtils.h" #include "Test.h" #if SK_SUPPORT_GPU #include #include "GrContext.h" #include "GrContextPriv.h" #include "GrGpu.h" #include "GrGpuResourcePriv.h" #include "GrRenderTargetContext.h" #include "GrResourceProvider.h" #include "GrTest.h" #include "SkGpuDevice.h" #include "SkImage_Gpu.h" #include "SkSurface_Gpu.h" #endif #include "sk_tool_utils.h" #include static void release_direct_surface_storage(void* pixels, void* context) { SkASSERT(pixels == context); sk_free(pixels); } static sk_sp create_surface(SkAlphaType at = kPremul_SkAlphaType, SkImageInfo* requestedInfo = nullptr) { const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at); if (requestedInfo) { *requestedInfo = info; } return SkSurface::MakeRaster(info); } static sk_sp create_direct_surface(SkAlphaType at = kPremul_SkAlphaType, SkImageInfo* requestedInfo = nullptr) { const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at); if (requestedInfo) { *requestedInfo = info; } const size_t rowBytes = info.minRowBytes(); void* storage = sk_malloc_throw(info.computeByteSize(rowBytes)); return SkSurface::MakeRasterDirectReleaseProc(info, storage, rowBytes, release_direct_surface_storage, storage); } #if SK_SUPPORT_GPU static sk_sp create_gpu_surface(GrContext* context, SkAlphaType at = kPremul_SkAlphaType, SkImageInfo* requestedInfo = nullptr) { const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at); if (requestedInfo) { *requestedInfo = info; } return SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info); } static sk_sp create_gpu_scratch_surface(GrContext* context, SkAlphaType at = kPremul_SkAlphaType, SkImageInfo* requestedInfo = nullptr) { const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at); if (requestedInfo) { *requestedInfo = info; } return SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, info); } #endif DEF_TEST(SurfaceEmpty, reporter) { const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType); REPORTER_ASSERT(reporter, nullptr == SkSurface::MakeRaster(info)); REPORTER_ASSERT(reporter, nullptr == SkSurface::MakeRasterDirect(info, nullptr, 0)); } #if SK_SUPPORT_GPU DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceEmpty_Gpu, reporter, ctxInfo) { const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType); REPORTER_ASSERT(reporter, nullptr == SkSurface::MakeRenderTarget(ctxInfo.grContext(), SkBudgeted::kNo, info)); } #endif #if SK_SUPPORT_GPU DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrContext_colorTypeSupportedAsSurface, reporter, ctxInfo) { for (int ct = 0; ct < kLastEnum_SkColorType; ++ct) { static constexpr int kSize = 10; SkColorType colorType = static_cast(ct); auto info = SkImageInfo::Make(kSize, kSize, colorType, kOpaque_SkAlphaType, nullptr); bool can = ctxInfo.grContext()->colorTypeSupportedAsSurface(colorType); auto surf = SkSurface::MakeRenderTarget(ctxInfo.grContext(), SkBudgeted::kYes, info, 1, nullptr); REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d", colorType, can, SkToBool(surf)); auto* gpu = ctxInfo.grContext()->contextPriv().getGpu(); GrBackendTexture backendTex = gpu->createTestingOnlyBackendTexture( nullptr, kSize, kSize, colorType, true, GrMipMapped::kNo); surf = SkSurface::MakeFromBackendTexture(ctxInfo.grContext(), backendTex, kTopLeft_GrSurfaceOrigin, 0, colorType, nullptr, nullptr); REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d", colorType, can, SkToBool(surf)); surf = SkSurface::MakeFromBackendTextureAsRenderTarget(ctxInfo.grContext(), backendTex, kTopLeft_GrSurfaceOrigin, 1, colorType, nullptr, nullptr); REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d", colorType, can, SkToBool(surf)); surf.reset(); ctxInfo.grContext()->flush(); if (backendTex.isValid()) { gpu->deleteTestingOnlyBackendTexture(&backendTex); } static constexpr int kSampleCnt = 2; can = ctxInfo.grContext()->maxSurfaceSampleCountForColorType(colorType) >= kSampleCnt; surf = SkSurface::MakeRenderTarget(ctxInfo.grContext(), SkBudgeted::kYes, info, kSampleCnt, nullptr); REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d", colorType, can, SkToBool(surf)); backendTex = gpu->createTestingOnlyBackendTexture(nullptr, kSize, kSize, colorType, true, GrMipMapped::kNo); surf = SkSurface::MakeFromBackendTexture(ctxInfo.grContext(), backendTex, kTopLeft_GrSurfaceOrigin, kSampleCnt, colorType, nullptr, nullptr); REPORTER_ASSERT(reporter, can == SkToBool(surf), "colorTypeSupportedAsSurface:%d, surf:%d, ct:%d", can, SkToBool(surf), colorType); // Ensure that the sample count stored on the resulting SkSurface is a valid value. if (surf) { auto* rtc = ((SkSurface_Gpu*)(surf.get()))->getDevice()->accessRenderTargetContext(); int storedCnt = rtc->numStencilSamples(); int allowedCnt = ctxInfo.grContext()->caps()->getSampleCount( storedCnt, rtc->asSurfaceProxy()->config()); REPORTER_ASSERT(reporter, storedCnt == allowedCnt, "Should store an allowed sample count (%d vs %d)", allowedCnt, storedCnt); } surf = SkSurface::MakeFromBackendTextureAsRenderTarget(ctxInfo.grContext(), backendTex, kTopLeft_GrSurfaceOrigin, kSampleCnt, colorType, nullptr, nullptr); REPORTER_ASSERT(reporter, can == SkToBool(surf), "colorTypeSupportedAsSurface:%d, surf:%d, ct:%d", can, SkToBool(surf), colorType); if (surf) { auto* rtc = ((SkSurface_Gpu*)(surf.get()))->getDevice()->accessRenderTargetContext(); int storedCnt = rtc->numStencilSamples(); int allowedCnt = ctxInfo.grContext()->caps()->getSampleCount( storedCnt, rtc->asSurfaceProxy()->config()); REPORTER_ASSERT(reporter, storedCnt == allowedCnt, "Should store an allowed sample count (%d vs %d)", allowedCnt, storedCnt); } surf.reset(); ctxInfo.grContext()->flush(); if (backendTex.isValid()) { gpu->deleteTestingOnlyBackendTexture(&backendTex); } } } DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrContext_maxSurfaceSamplesForColorType, reporter, ctxInfo) { for (int ct = 0; ct < kLastEnum_SkColorType; ++ct) { static constexpr int kSize = 10; SkColorType colorType = static_cast(ct); int max = ctxInfo.grContext()->maxSurfaceSampleCountForColorType(colorType); if (!max) { continue; } auto* gpu = ctxInfo.grContext()->contextPriv().getGpu(); GrBackendTexture backendTex = gpu->createTestingOnlyBackendTexture( nullptr, kSize, kSize, colorType, true, GrMipMapped::kNo); auto info = SkImageInfo::Make(kSize, kSize, colorType, kOpaque_SkAlphaType, nullptr); auto surf = SkSurface::MakeFromBackendTexture(ctxInfo.grContext(), backendTex, kTopLeft_GrSurfaceOrigin, max, colorType, nullptr, nullptr); REPORTER_ASSERT(reporter, surf); if (!surf) { continue; } int sampleCnt = ((SkSurface_Gpu*)(surf.get())) ->getDevice() ->accessRenderTargetContext() ->numStencilSamples(); REPORTER_ASSERT(reporter, sampleCnt == max, "Exected: %d, actual: %d", max, sampleCnt); } } #endif static void test_canvas_peek(skiatest::Reporter* reporter, sk_sp& surface, const SkImageInfo& requestInfo, bool expectPeekSuccess) { const SkColor color = SK_ColorRED; const SkPMColor pmcolor = SkPreMultiplyColor(color); surface->getCanvas()->clear(color); SkPixmap pmap; bool success = surface->getCanvas()->peekPixels(&pmap); REPORTER_ASSERT(reporter, expectPeekSuccess == success); SkPixmap pmap2; const void* addr2 = surface->peekPixels(&pmap2) ? pmap2.addr() : nullptr; if (success) { REPORTER_ASSERT(reporter, requestInfo == pmap.info()); REPORTER_ASSERT(reporter, requestInfo.minRowBytes() <= pmap.rowBytes()); REPORTER_ASSERT(reporter, pmcolor == *pmap.addr32()); REPORTER_ASSERT(reporter, pmap.addr() == pmap2.addr()); REPORTER_ASSERT(reporter, pmap.info() == pmap2.info()); REPORTER_ASSERT(reporter, pmap.rowBytes() == pmap2.rowBytes()); } else { REPORTER_ASSERT(reporter, nullptr == addr2); } } DEF_TEST(SurfaceCanvasPeek, reporter) { for (auto& surface_func : { &create_surface, &create_direct_surface }) { SkImageInfo requestInfo; auto surface(surface_func(kPremul_SkAlphaType, &requestInfo)); test_canvas_peek(reporter, surface, requestInfo, true); } } #if SK_SUPPORT_GPU DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCanvasPeek_Gpu, reporter, ctxInfo) { for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { SkImageInfo requestInfo; auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, &requestInfo)); test_canvas_peek(reporter, surface, requestInfo, false); } } #endif static void test_snapshot_alphatype(skiatest::Reporter* reporter, const sk_sp& surface, SkAlphaType expectedAlphaType) { REPORTER_ASSERT(reporter, surface); if (surface) { sk_sp image(surface->makeImageSnapshot()); REPORTER_ASSERT(reporter, image); if (image) { REPORTER_ASSERT(reporter, image->alphaType() == expectedAlphaType); } } } DEF_TEST(SurfaceSnapshotAlphaType, reporter) { for (auto& surface_func : { &create_surface, &create_direct_surface }) { for (auto& at: { kOpaque_SkAlphaType, kPremul_SkAlphaType, kUnpremul_SkAlphaType }) { auto surface(surface_func(at, nullptr)); test_snapshot_alphatype(reporter, surface, at); } } } #if SK_SUPPORT_GPU DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceSnapshotAlphaType_Gpu, reporter, ctxInfo) { for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { // GPU doesn't support creating unpremul surfaces, so only test opaque + premul for (auto& at : { kOpaque_SkAlphaType, kPremul_SkAlphaType }) { auto surface(surface_func(ctxInfo.grContext(), at, nullptr)); test_snapshot_alphatype(reporter, surface, at); } } } #endif static GrBackendObject get_surface_backend_texture_handle( SkSurface* s, SkSurface::BackendHandleAccess a) { return s->getTextureHandle(a); } static GrBackendObject get_surface_backend_render_target_handle( SkSurface* s, SkSurface::BackendHandleAccess a) { GrBackendObject result; if (!s->getRenderTargetHandle(&result, a)) { return 0; } return result; } static void test_backend_handle_access_copy_on_write( skiatest::Reporter* reporter, SkSurface* surface, SkSurface::BackendHandleAccess mode, GrBackendObject (*func)(SkSurface*, SkSurface::BackendHandleAccess)) { GrBackendObject obj1 = func(surface, mode); sk_sp snap1(surface->makeImageSnapshot()); GrBackendObject obj2 = func(surface, mode); sk_sp snap2(surface->makeImageSnapshot()); // If the access mode triggers CoW, then the backend objects should reflect it. REPORTER_ASSERT(reporter, (obj1 == obj2) == (snap1 == snap2)); } DEF_TEST(SurfaceBackendHandleAccessCopyOnWrite, reporter) { const SkSurface::BackendHandleAccess accessModes[] = { SkSurface::kFlushRead_BackendHandleAccess, SkSurface::kFlushWrite_BackendHandleAccess, SkSurface::kDiscardWrite_BackendHandleAccess, }; for (auto& handle_access_func : { &get_surface_backend_texture_handle, &get_surface_backend_render_target_handle }) { for (auto& accessMode : accessModes) { auto surface(create_surface()); test_backend_handle_access_copy_on_write(reporter, surface.get(), accessMode, handle_access_func); } } } #if SK_SUPPORT_GPU DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBackendHandleAccessCopyOnWrite_Gpu, reporter, ctxInfo) { const SkSurface::BackendHandleAccess accessModes[] = { SkSurface::kFlushRead_BackendHandleAccess, SkSurface::kFlushWrite_BackendHandleAccess, SkSurface::kDiscardWrite_BackendHandleAccess, }; for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { for (auto& handle_access_func : { &get_surface_backend_texture_handle, &get_surface_backend_render_target_handle }) { for (auto& accessMode : accessModes) { auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); test_backend_handle_access_copy_on_write(reporter, surface.get(), accessMode, handle_access_func); } } } } #endif #if SK_SUPPORT_GPU static void test_backend_handle_unique_id( skiatest::Reporter* reporter, SkSurface* surface, GrBackendObject (*func)(SkSurface*, SkSurface::BackendHandleAccess)) { sk_sp image0(surface->makeImageSnapshot()); GrBackendObject obj = func(surface, SkSurface::kFlushRead_BackendHandleAccess); REPORTER_ASSERT(reporter, obj != 0); sk_sp image1(surface->makeImageSnapshot()); // just read access should not affect the snapshot REPORTER_ASSERT(reporter, image0->uniqueID() == image1->uniqueID()); obj = func(surface, SkSurface::kFlushWrite_BackendHandleAccess); REPORTER_ASSERT(reporter, obj != 0); sk_sp image2(surface->makeImageSnapshot()); // expect a new image, since we claimed we would write REPORTER_ASSERT(reporter, image0->uniqueID() != image2->uniqueID()); obj = func(surface, SkSurface::kDiscardWrite_BackendHandleAccess); REPORTER_ASSERT(reporter, obj != 0); sk_sp image3(surface->makeImageSnapshot()); // expect a new(er) image, since we claimed we would write REPORTER_ASSERT(reporter, image0->uniqueID() != image3->uniqueID()); REPORTER_ASSERT(reporter, image2->uniqueID() != image3->uniqueID()); } // No CPU test. DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBackendHandleAccessIDs_Gpu, reporter, ctxInfo) { for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { for (auto& test_func : { &test_backend_handle_unique_id }) { for (auto& handle_access_func : { &get_surface_backend_texture_handle, &get_surface_backend_render_target_handle}) { auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); test_func(reporter, surface.get(), handle_access_func); } } } } #endif // Verify that the right canvas commands trigger a copy on write. static void test_copy_on_write(skiatest::Reporter* reporter, SkSurface* surface) { SkCanvas* canvas = surface->getCanvas(); const SkRect testRect = SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0), SkIntToScalar(4), SkIntToScalar(5)); SkPath testPath; testPath.addRect(SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0), SkIntToScalar(2), SkIntToScalar(1))); const SkIRect testIRect = SkIRect::MakeXYWH(0, 0, 2, 1); SkRegion testRegion; testRegion.setRect(testIRect); const SkColor testColor = 0x01020304; const SkPaint testPaint; const SkPoint testPoints[3] = { {SkIntToScalar(0), SkIntToScalar(0)}, {SkIntToScalar(2), SkIntToScalar(1)}, {SkIntToScalar(0), SkIntToScalar(2)} }; const size_t testPointCount = 3; SkBitmap testBitmap; testBitmap.allocN32Pixels(10, 10); testBitmap.eraseColor(0); SkRRect testRRect; testRRect.setRectXY(testRect, SK_Scalar1, SK_Scalar1); SkString testText("Hello World"); const SkPoint testPoints2[] = { { SkIntToScalar(0), SkIntToScalar(1) }, { SkIntToScalar(1), SkIntToScalar(1) }, { SkIntToScalar(2), SkIntToScalar(1) }, { SkIntToScalar(3), SkIntToScalar(1) }, { SkIntToScalar(4), SkIntToScalar(1) }, { SkIntToScalar(5), SkIntToScalar(1) }, { SkIntToScalar(6), SkIntToScalar(1) }, { SkIntToScalar(7), SkIntToScalar(1) }, { SkIntToScalar(8), SkIntToScalar(1) }, { SkIntToScalar(9), SkIntToScalar(1) }, { SkIntToScalar(10), SkIntToScalar(1) }, }; #define EXPECT_COPY_ON_WRITE(command) \ { \ sk_sp imageBefore = surface->makeImageSnapshot(); \ sk_sp aur_before(imageBefore); \ canvas-> command ; \ sk_sp imageAfter = surface->makeImageSnapshot(); \ sk_sp aur_after(imageAfter); \ REPORTER_ASSERT(reporter, imageBefore != imageAfter); \ } EXPECT_COPY_ON_WRITE(clear(testColor)) EXPECT_COPY_ON_WRITE(drawPaint(testPaint)) EXPECT_COPY_ON_WRITE(drawPoints(SkCanvas::kPoints_PointMode, testPointCount, testPoints, \ testPaint)) EXPECT_COPY_ON_WRITE(drawOval(testRect, testPaint)) EXPECT_COPY_ON_WRITE(drawRect(testRect, testPaint)) EXPECT_COPY_ON_WRITE(drawRRect(testRRect, testPaint)) EXPECT_COPY_ON_WRITE(drawPath(testPath, testPaint)) EXPECT_COPY_ON_WRITE(drawBitmap(testBitmap, 0, 0)) EXPECT_COPY_ON_WRITE(drawBitmapRect(testBitmap, testRect, nullptr)) EXPECT_COPY_ON_WRITE(drawBitmapNine(testBitmap, testIRect, testRect, nullptr)) EXPECT_COPY_ON_WRITE(drawString(testText, 0, 1, testPaint)) EXPECT_COPY_ON_WRITE(drawPosText(testText.c_str(), testText.size(), testPoints2, \ testPaint)) EXPECT_COPY_ON_WRITE(drawTextOnPath(testText.c_str(), testText.size(), testPath, nullptr, \ testPaint)) } DEF_TEST(SurfaceCopyOnWrite, reporter) { test_copy_on_write(reporter, create_surface().get()); } #if SK_SUPPORT_GPU DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCopyOnWrite_Gpu, reporter, ctxInfo) { for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); test_copy_on_write(reporter, surface.get()); } } #endif static void test_writable_after_snapshot_release(skiatest::Reporter* reporter, SkSurface* surface) { // This test succeeds by not triggering an assertion. // The test verifies that the surface remains writable (usable) after // acquiring and releasing a snapshot without triggering a copy on write. SkCanvas* canvas = surface->getCanvas(); canvas->clear(1); surface->makeImageSnapshot(); // Create and destroy SkImage canvas->clear(2); // Must not assert internally } DEF_TEST(SurfaceWriteableAfterSnapshotRelease, reporter) { test_writable_after_snapshot_release(reporter, create_surface().get()); } #if SK_SUPPORT_GPU DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceWriteableAfterSnapshotRelease_Gpu, reporter, ctxInfo) { for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); test_writable_after_snapshot_release(reporter, surface.get()); } } #endif #if SK_SUPPORT_GPU static void test_crbug263329(skiatest::Reporter* reporter, SkSurface* surface1, SkSurface* surface2) { // This is a regression test for crbug.com/263329 // Bug was caused by onCopyOnWrite releasing the old surface texture // back to the scratch texture pool even though the texture is used // by and active SkImage_Gpu. SkCanvas* canvas1 = surface1->getCanvas(); SkCanvas* canvas2 = surface2->getCanvas(); canvas1->clear(1); sk_sp image1(surface1->makeImageSnapshot()); // Trigger copy on write, new backing is a scratch texture canvas1->clear(2); sk_sp image2(surface1->makeImageSnapshot()); // Trigger copy on write, old backing should not be returned to scratch // pool because it is held by image2 canvas1->clear(3); canvas2->clear(4); sk_sp image3(surface2->makeImageSnapshot()); // Trigger copy on write on surface2. The new backing store should not // be recycling a texture that is held by an existing image. canvas2->clear(5); sk_sp image4(surface2->makeImageSnapshot()); REPORTER_ASSERT(reporter, as_IB(image4)->getTexture() != as_IB(image3)->getTexture()); // The following assertion checks crbug.com/263329 REPORTER_ASSERT(reporter, as_IB(image4)->getTexture() != as_IB(image2)->getTexture()); REPORTER_ASSERT(reporter, as_IB(image4)->getTexture() != as_IB(image1)->getTexture()); REPORTER_ASSERT(reporter, as_IB(image3)->getTexture() != as_IB(image2)->getTexture()); REPORTER_ASSERT(reporter, as_IB(image3)->getTexture() != as_IB(image1)->getTexture()); REPORTER_ASSERT(reporter, as_IB(image2)->getTexture() != as_IB(image1)->getTexture()); } DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCRBug263329_Gpu, reporter, ctxInfo) { for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { auto surface1(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); auto surface2(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); test_crbug263329(reporter, surface1.get(), surface2.get()); } } #endif DEF_TEST(SurfaceGetTexture, reporter) { auto surface(create_surface()); sk_sp image(surface->makeImageSnapshot()); REPORTER_ASSERT(reporter, !as_IB(image)->isTextureBacked()); surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode); REPORTER_ASSERT(reporter, !as_IB(image)->isTextureBacked()); } #if SK_SUPPORT_GPU DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfacepeekTexture_Gpu, reporter, ctxInfo) { for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); sk_sp image(surface->makeImageSnapshot()); REPORTER_ASSERT(reporter, as_IB(image)->isTextureBacked()); GrBackendObject textureHandle = image->getTextureHandle(false); REPORTER_ASSERT(reporter, 0 != textureHandle); surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode); REPORTER_ASSERT(reporter, as_IB(image)->isTextureBacked()); REPORTER_ASSERT(reporter, textureHandle == image->getTextureHandle(false)); } } #endif #if SK_SUPPORT_GPU static SkBudgeted is_budgeted(const sk_sp& surf) { SkSurface_Gpu* gsurf = (SkSurface_Gpu*)surf.get(); GrRenderTargetProxy* proxy = gsurf->getDevice()->accessRenderTargetContext() ->asRenderTargetProxy(); return proxy->isBudgeted(); } static SkBudgeted is_budgeted(SkImage* image) { return ((SkImage_Gpu*)image)->peekProxy()->isBudgeted(); } static SkBudgeted is_budgeted(const sk_sp image) { return is_budgeted(image.get()); } DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBudget, reporter, ctxInfo) { SkImageInfo info = SkImageInfo::MakeN32Premul(8,8); for (auto budgeted : { SkBudgeted::kNo, SkBudgeted::kYes }) { auto surface(SkSurface::MakeRenderTarget(ctxInfo.grContext(), budgeted, info)); SkASSERT(surface); REPORTER_ASSERT(reporter, budgeted == is_budgeted(surface)); sk_sp image(surface->makeImageSnapshot()); // Initially the image shares a texture with the surface, and the // the budgets should always match. REPORTER_ASSERT(reporter, budgeted == is_budgeted(surface)); REPORTER_ASSERT(reporter, budgeted == is_budgeted(image)); // Now trigger copy-on-write surface->getCanvas()->clear(SK_ColorBLUE); // They don't share a texture anymore but the budgets should still match. REPORTER_ASSERT(reporter, budgeted == is_budgeted(surface)); REPORTER_ASSERT(reporter, budgeted == is_budgeted(image)); } } #endif static void test_no_canvas1(skiatest::Reporter* reporter, SkSurface* surface, SkSurface::ContentChangeMode mode) { // Test passes by not asserting surface->notifyContentWillChange(mode); SkDEBUGCODE(surface->validate();) } static void test_no_canvas2(skiatest::Reporter* reporter, SkSurface* surface, SkSurface::ContentChangeMode mode) { // Verifies the robustness of SkSurface for handling use cases where calls // are made before a canvas is created. sk_sp image1 = surface->makeImageSnapshot(); sk_sp aur_image1(image1); SkDEBUGCODE(image1->validate();) SkDEBUGCODE(surface->validate();) surface->notifyContentWillChange(mode); SkDEBUGCODE(image1->validate();) SkDEBUGCODE(surface->validate();) sk_sp image2 = surface->makeImageSnapshot(); sk_sp aur_image2(image2); SkDEBUGCODE(image2->validate();) SkDEBUGCODE(surface->validate();) REPORTER_ASSERT(reporter, image1 != image2); } DEF_TEST(SurfaceNoCanvas, reporter) { SkSurface::ContentChangeMode modes[] = { SkSurface::kDiscard_ContentChangeMode, SkSurface::kRetain_ContentChangeMode}; for (auto& test_func : { &test_no_canvas1, &test_no_canvas2 }) { for (auto& mode : modes) { test_func(reporter, create_surface().get(), mode); } } } #if SK_SUPPORT_GPU DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceNoCanvas_Gpu, reporter, ctxInfo) { SkSurface::ContentChangeMode modes[] = { SkSurface::kDiscard_ContentChangeMode, SkSurface::kRetain_ContentChangeMode}; for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { for (auto& test_func : { &test_no_canvas1, &test_no_canvas2 }) { for (auto& mode : modes) { auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); test_func(reporter, surface.get(), mode); } } } } #endif static void check_rowbytes_remain_consistent(SkSurface* surface, skiatest::Reporter* reporter) { SkPixmap surfacePM; REPORTER_ASSERT(reporter, surface->peekPixels(&surfacePM)); sk_sp image(surface->makeImageSnapshot()); SkPixmap pm; REPORTER_ASSERT(reporter, image->peekPixels(&pm)); REPORTER_ASSERT(reporter, surfacePM.rowBytes() == pm.rowBytes()); // trigger a copy-on-write surface->getCanvas()->drawPaint(SkPaint()); sk_sp image2(surface->makeImageSnapshot()); REPORTER_ASSERT(reporter, image->uniqueID() != image2->uniqueID()); SkPixmap pm2; REPORTER_ASSERT(reporter, image2->peekPixels(&pm2)); REPORTER_ASSERT(reporter, pm2.rowBytes() == pm.rowBytes()); } DEF_TEST(surface_rowbytes, reporter) { const SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100); auto surf0(SkSurface::MakeRaster(info)); check_rowbytes_remain_consistent(surf0.get(), reporter); // specify a larger rowbytes auto surf1(SkSurface::MakeRaster(info, 500, nullptr)); check_rowbytes_remain_consistent(surf1.get(), reporter); // Try some illegal rowByte values auto s = SkSurface::MakeRaster(info, 396, nullptr); // needs to be at least 400 REPORTER_ASSERT(reporter, nullptr == s); s = SkSurface::MakeRaster(info, std::numeric_limits::max(), nullptr); REPORTER_ASSERT(reporter, nullptr == s); } DEF_TEST(surface_raster_zeroinitialized, reporter) { sk_sp s(SkSurface::MakeRasterN32Premul(100, 100)); SkPixmap pixmap; REPORTER_ASSERT(reporter, s->peekPixels(&pixmap)); for (int i = 0; i < pixmap.info().width(); ++i) { for (int j = 0; j < pixmap.info().height(); ++j) { REPORTER_ASSERT(reporter, *pixmap.addr32(i, j) == 0); } } } #if SK_SUPPORT_GPU static sk_sp create_gpu_surface_backend_texture( GrContext* context, int sampleCnt, uint32_t color, GrBackendTexture* outTexture) { GrGpu* gpu = context->contextPriv().getGpu(); const int kWidth = 10; const int kHeight = 10; std::unique_ptr pixels(new uint32_t[kWidth * kHeight]); sk_memset32(pixels.get(), color, kWidth * kHeight); *outTexture = gpu->createTestingOnlyBackendTexture( pixels.get(), kWidth, kHeight, kRGBA_8888_GrPixelConfig, true, GrMipMapped::kNo); if (!outTexture->isValid() || !gpu->isTestingOnlyBackendTexture(*outTexture)) { return nullptr; } sk_sp surface = SkSurface::MakeFromBackendTexture(context, *outTexture, kTopLeft_GrSurfaceOrigin, sampleCnt, kRGBA_8888_SkColorType, nullptr, nullptr); if (!surface) { gpu->deleteTestingOnlyBackendTexture(outTexture); return nullptr; } return surface; } static sk_sp create_gpu_surface_backend_texture_as_render_target( GrContext* context, int sampleCnt, uint32_t color, GrBackendTexture* outTexture) { GrGpu* gpu = context->contextPriv().getGpu(); const int kWidth = 10; const int kHeight = 10; std::unique_ptr pixels(new uint32_t[kWidth * kHeight]); sk_memset32(pixels.get(), color, kWidth * kHeight); *outTexture = gpu->createTestingOnlyBackendTexture( pixels.get(), kWidth, kHeight, kRGBA_8888_GrPixelConfig, true, GrMipMapped::kNo); if (!outTexture->isValid() || !gpu->isTestingOnlyBackendTexture(*outTexture)) { return nullptr; } sk_sp surface = SkSurface::MakeFromBackendTextureAsRenderTarget( context, *outTexture, kTopLeft_GrSurfaceOrigin, sampleCnt, kRGBA_8888_SkColorType, nullptr, nullptr); if (!surface) { gpu->deleteTestingOnlyBackendTexture(outTexture); return nullptr; } return surface; } static void test_surface_clear(skiatest::Reporter* reporter, sk_sp surface, std::function(SkSurface*)> grSurfaceGetter, uint32_t expectedValue) { if (!surface) { ERRORF(reporter, "Could not create GPU SkSurface."); return; } int w = surface->width(); int h = surface->height(); std::unique_ptr pixels(new uint32_t[w * h]); sk_memset32(pixels.get(), ~expectedValue, w * h); sk_sp grSurfaceContext(grSurfaceGetter(surface.get())); if (!grSurfaceContext) { ERRORF(reporter, "Could access render target of GPU SkSurface."); return; } surface.reset(); SkImageInfo ii = SkImageInfo::Make(w, h, kRGBA_8888_SkColorType, kPremul_SkAlphaType); grSurfaceContext->readPixels(ii, pixels.get(), 0, 0, 0); for (int y = 0; y < h; ++y) { for (int x = 0; x < w; ++x) { uint32_t pixel = pixels.get()[y * w + x]; if (pixel != expectedValue) { SkString msg; if (expectedValue) { msg = "SkSurface should have left render target unmodified"; } else { msg = "SkSurface should have cleared the render target"; } ERRORF(reporter, "%s but read 0x%08x (instead of 0x%08x) at %x,%d", msg.c_str(), pixel, expectedValue, x, y); return; } } } } DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceClear_Gpu, reporter, ctxInfo) { GrContext* context = ctxInfo.grContext(); GrGpu* gpu = context->contextPriv().getGpu(); std::function(SkSurface*)> grSurfaceContextGetters[] = { [] (SkSurface* s){ return sk_ref_sp(s->getCanvas()->internal_private_accessTopLayerRenderTargetContext()); }, [] (SkSurface* s){ sk_sp i(s->makeImageSnapshot()); SkImage_Gpu* gpuImage = (SkImage_Gpu *) as_IB(i); sk_sp proxy = gpuImage->asTextureProxyRef(); GrContext* context = gpuImage->context(); return context->contextPriv().makeWrappedSurfaceContext(std::move(proxy), gpuImage->refColorSpace()); } }; for (auto grSurfaceGetter : grSurfaceContextGetters) { // Test that non-wrapped RTs are created clear. for (auto& surface_func : {&create_gpu_surface, &create_gpu_scratch_surface}) { auto surface = surface_func(context, kPremul_SkAlphaType, nullptr); test_surface_clear(reporter, surface, grSurfaceGetter, 0x0); } // Wrapped RTs are *not* supposed to clear (to allow client to partially update a surface). const uint32_t kOrigColor = 0xABABABAB; for (auto& surfaceFunc : {&create_gpu_surface_backend_texture, &create_gpu_surface_backend_texture_as_render_target}) { GrBackendTexture backendTex; auto surface = surfaceFunc(context, 1, kOrigColor, &backendTex); test_surface_clear(reporter, surface, grSurfaceGetter, kOrigColor); surface.reset(); gpu->deleteTestingOnlyBackendTexture(&backendTex); } } } static void test_surface_draw_partially( skiatest::Reporter* reporter, sk_sp surface, uint32_t origColor) { const int kW = surface->width(); const int kH = surface->height(); SkPaint paint; const SkColor kRectColor = ~origColor | 0xFF000000; paint.setColor(kRectColor); surface->getCanvas()->drawRect(SkRect::MakeWH(SkIntToScalar(kW), SkIntToScalar(kH)/2), paint); std::unique_ptr pixels(new uint32_t[kW * kH]); sk_memset32(pixels.get(), ~origColor, kW * kH); // Read back RGBA to avoid format conversions that may not be supported on all platforms. SkImageInfo readInfo = SkImageInfo::Make(kW, kH, kRGBA_8888_SkColorType, kPremul_SkAlphaType); SkAssertResult(surface->readPixels(readInfo, pixels.get(), kW * sizeof(uint32_t), 0, 0)); bool stop = false; SkPMColor origColorPM = SkPackARGB_as_RGBA((origColor >> 24 & 0xFF), (origColor >> 0 & 0xFF), (origColor >> 8 & 0xFF), (origColor >> 16 & 0xFF)); SkPMColor rectColorPM = SkPackARGB_as_RGBA((kRectColor >> 24 & 0xFF), (kRectColor >> 16 & 0xFF), (kRectColor >> 8 & 0xFF), (kRectColor >> 0 & 0xFF)); for (int y = 0; y < kH/2 && !stop; ++y) { for (int x = 0; x < kW && !stop; ++x) { REPORTER_ASSERT(reporter, rectColorPM == pixels[x + y * kW]); if (rectColorPM != pixels[x + y * kW]) { stop = true; } } } stop = false; for (int y = kH/2; y < kH && !stop; ++y) { for (int x = 0; x < kW && !stop; ++x) { REPORTER_ASSERT(reporter, origColorPM == pixels[x + y * kW]); if (origColorPM != pixels[x + y * kW]) { stop = true; } } } } DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfacePartialDraw_Gpu, reporter, ctxInfo) { GrGpu* gpu = ctxInfo.grContext()->contextPriv().getGpu(); if (!gpu) { return; } static const uint32_t kOrigColor = 0xFFAABBCC; for (auto& surfaceFunc : {&create_gpu_surface_backend_texture, &create_gpu_surface_backend_texture_as_render_target}) { // Validate that we can draw to the canvas and that the original texture color is // preserved in pixels that aren't rendered to via the surface. // This works only for non-multisampled case. GrBackendTexture backendTex; auto surface = surfaceFunc(ctxInfo.grContext(), 1, kOrigColor, &backendTex); if (surface) { test_surface_draw_partially(reporter, surface, kOrigColor); surface.reset(); gpu->deleteTestingOnlyBackendTexture(&backendTex); } } } DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceAttachStencil_Gpu, reporter, ctxInfo) { GrGpu* gpu = ctxInfo.grContext()->contextPriv().getGpu(); if (!gpu) { return; } if (gpu->caps()->avoidStencilBuffers()) { return; } static const uint32_t kOrigColor = 0xFFAABBCC; auto resourceProvider = ctxInfo.grContext()->contextPriv().resourceProvider(); for (auto& surfaceFunc : {&create_gpu_surface_backend_texture, &create_gpu_surface_backend_texture_as_render_target}) { for (int sampleCnt : {1, 4, 8}) { GrBackendTexture backendTex; auto surface = surfaceFunc(ctxInfo.grContext(), sampleCnt, kOrigColor, &backendTex); if (!surface && sampleCnt > 1) { // Certain platforms don't support MSAA, skip these. continue; } // Validate that we can attach a stencil buffer to an SkSurface created by either of // our surface functions. GrRenderTarget* rt = surface->getCanvas() ->internal_private_accessTopLayerRenderTargetContext()->accessRenderTarget(); REPORTER_ASSERT(reporter, resourceProvider->attachStencilAttachment(rt)); gpu->deleteTestingOnlyBackendTexture(&backendTex); } } } #endif static void test_surface_creation_and_snapshot_with_color_space( skiatest::Reporter* reporter, const char* prefix, bool f16Support, std::function(const SkImageInfo&)> surfaceMaker) { auto srgbColorSpace = SkColorSpace::MakeSRGB(); const SkMatrix44* srgbMatrix = srgbColorSpace->toXYZD50(); SkASSERT(srgbMatrix); SkColorSpaceTransferFn oddGamma; oddGamma.fA = 1.0f; oddGamma.fB = oddGamma.fC = oddGamma.fD = oddGamma.fE = oddGamma.fF = 0.0f; oddGamma.fG = 4.0f; auto oddColorSpace = SkColorSpace::MakeRGB(oddGamma, *srgbMatrix); auto linearColorSpace = SkColorSpace::MakeSRGBLinear(); const struct { SkColorType fColorType; sk_sp fColorSpace; bool fShouldWork; const char* fDescription; } testConfigs[] = { { kN32_SkColorType, nullptr, true, "N32-nullptr" }, { kN32_SkColorType, linearColorSpace, false, "N32-linear" }, { kN32_SkColorType, srgbColorSpace, true, "N32-srgb" }, { kN32_SkColorType, oddColorSpace, false, "N32-odd" }, { kRGBA_F16_SkColorType, nullptr, true, "F16-nullptr" }, { kRGBA_F16_SkColorType, linearColorSpace, true, "F16-linear" }, { kRGBA_F16_SkColorType, srgbColorSpace, false, "F16-srgb" }, { kRGBA_F16_SkColorType, oddColorSpace, false, "F16-odd" }, { kRGB_565_SkColorType, srgbColorSpace, false, "565-srgb" }, { kAlpha_8_SkColorType, srgbColorSpace, false, "A8-srgb" }, }; for (auto& testConfig : testConfigs) { SkString fullTestName = SkStringPrintf("%s-%s", prefix, testConfig.fDescription); SkImageInfo info = SkImageInfo::Make(10, 10, testConfig.fColorType, kPremul_SkAlphaType, testConfig.fColorSpace); // For some GPU contexts (eg ANGLE), we don't have f16 support, so we should fail to create // any surface of that type: bool shouldWork = testConfig.fShouldWork && (f16Support || kRGBA_F16_SkColorType != testConfig.fColorType); auto surface(surfaceMaker(info)); REPORTER_ASSERT(reporter, SkToBool(surface) == shouldWork, fullTestName.c_str()); if (shouldWork && surface) { sk_sp image(surface->makeImageSnapshot()); REPORTER_ASSERT(reporter, image, testConfig.fDescription); SkColorSpace* imageColorSpace = as_IB(image)->onImageInfo().colorSpace(); REPORTER_ASSERT(reporter, imageColorSpace == testConfig.fColorSpace.get(), fullTestName.c_str()); } } } DEF_TEST(SurfaceCreationWithColorSpace, reporter) { auto surfaceMaker = [](const SkImageInfo& info) { return SkSurface::MakeRaster(info); }; test_surface_creation_and_snapshot_with_color_space(reporter, "raster", true, surfaceMaker); } #if SK_SUPPORT_GPU DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCreationWithColorSpace_Gpu, reporter, ctxInfo) { GrContext* context = ctxInfo.grContext(); bool f16Support = context->caps()->isConfigRenderable(kRGBA_half_GrPixelConfig); auto surfaceMaker = [context](const SkImageInfo& info) { return SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info); }; test_surface_creation_and_snapshot_with_color_space(reporter, "gpu", f16Support, surfaceMaker); std::vector backendTextures; auto wrappedSurfaceMaker = [ context, &backendTextures ](const SkImageInfo& info) { GrGpu* gpu = context->contextPriv().getGpu(); static const int kSize = 10; GrPixelConfig config = SkImageInfo2GrPixelConfig(info, *context->caps()); GrBackendTexture backendTex = gpu->createTestingOnlyBackendTexture( nullptr, kSize, kSize, config, true, GrMipMapped::kNo); if (!backendTex.isValid() || !gpu->isTestingOnlyBackendTexture(backendTex)) { return sk_sp(nullptr); } backendTextures.push_back(backendTex); return SkSurface::MakeFromBackendTexture(context, backendTex, kTopLeft_GrSurfaceOrigin, 0, info.colorType(), sk_ref_sp(info.colorSpace()), nullptr); }; test_surface_creation_and_snapshot_with_color_space(reporter, "wrapped", f16Support, wrappedSurfaceMaker); context->flush(); GrGpu* gpu = context->contextPriv().getGpu(); for (auto backendTex : backendTextures) { gpu->deleteTestingOnlyBackendTexture(&backendTex); } } #endif static void test_overdraw_surface(skiatest::Reporter* r, SkSurface* surface) { SkOverdrawCanvas canvas(surface->getCanvas()); canvas.drawPaint(SkPaint()); sk_sp image = surface->makeImageSnapshot(); SkBitmap bitmap; image->asLegacyBitmap(&bitmap); for (int y = 0; y < 10; y++) { for (int x = 0; x < 10; x++) { REPORTER_ASSERT(r, 1 == SkGetPackedA32(*bitmap.getAddr32(x, y))); } } } DEF_TEST(OverdrawSurface_Raster, r) { sk_sp surface = create_surface(); test_overdraw_surface(r, surface.get()); } #if SK_SUPPORT_GPU DEF_GPUTEST_FOR_RENDERING_CONTEXTS(OverdrawSurface_Gpu, r, ctxInfo) { GrContext* context = ctxInfo.grContext(); sk_sp surface = create_gpu_surface(context); test_overdraw_surface(r, surface.get()); } #endif DEF_TEST(Surface_null, r) { REPORTER_ASSERT(r, SkSurface::MakeNull(0, 0) == nullptr); const int w = 37; const int h = 1000; auto surf = SkSurface::MakeNull(w, h); auto canvas = surf->getCanvas(); canvas->drawPaint(SkPaint()); // should not crash, but don't expect anything to draw REPORTER_ASSERT(r, surf->makeImageSnapshot() == nullptr); } // assert: if a given imageinfo is valid for a surface, then it must be valid for an image // (so the snapshot can succeed) DEF_TEST(surface_image_unity, reporter) { auto do_test = [reporter](const SkImageInfo& info) { size_t rowBytes = info.minRowBytes(); auto surf = SkSurface::MakeRaster(info, rowBytes, nullptr); if (surf) { auto img = surf->makeImageSnapshot(); if (!img && false) { // change to true to document the differences SkDebugf("image failed: [%08X %08X] %14s %s\n", info.width(), info.height(), sk_tool_utils::colortype_name(info.colorType()), sk_tool_utils::alphatype_name(info.alphaType())); return; } REPORTER_ASSERT(reporter, img != nullptr); char dummyPixel = 0; // just need a valid address (not a valid size) SkPixmap pmap = { info, &dummyPixel, rowBytes }; img = SkImage::MakeFromRaster(pmap, nullptr, nullptr); REPORTER_ASSERT(reporter, img != nullptr); } }; const int32_t sizes[] = { 0, 1, 1 << 15, 1 << 16, 1 << 28, 1 << 29, 1 << 30, -1 }; for (int cti = 0; cti < kLastEnum_SkColorType; ++cti) { SkColorType ct = static_cast(cti); for (int ati = 0; ati < kLastEnum_SkAlphaType; ++ati) { SkAlphaType at = static_cast(ati); for (int32_t size : sizes) { do_test(SkImageInfo::Make(1, size, ct, at)); do_test(SkImageInfo::Make(size, 1, ct, at)); } } } }