/* * 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/core/SkCanvas.h" #include "include/core/SkData.h" #include "include/core/SkOverdrawCanvas.h" #include "include/core/SkPath.h" #include "include/core/SkRRect.h" #include "include/core/SkRegion.h" #include "include/core/SkSurface.h" #include "include/gpu/GrBackendSurface.h" #include "include/gpu/GrContext.h" #include "src/core/SkAutoPixmapStorage.h" #include "src/core/SkDevice.h" #include "src/core/SkUtils.h" #include "src/gpu/GrContextPriv.h" #include "src/gpu/GrGpu.h" #include "src/gpu/GrGpuResourcePriv.h" #include "src/gpu/GrRenderTargetContext.h" #include "src/gpu/GrResourceProvider.h" #include "src/gpu/SkGpuDevice.h" #include "src/image/SkImage_Base.h" #include "src/image/SkImage_Gpu.h" #include "src/image/SkSurface_Gpu.h" #include "tests/Test.h" #include "tests/TestUtils.h" #include #include #include #include "tools/ToolUtils.h" 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); } 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); } 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)); } 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)); } DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrContext_colorTypeSupportedAsSurface, reporter, ctxInfo) { GrContext* context = ctxInfo.grContext(); 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 = context->colorTypeSupportedAsSurface(colorType); auto surf = SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, info, 1, nullptr); REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d", colorType, can, SkToBool(surf)); GrBackendTexture backendTex = context->createBackendTexture( kSize, kSize, colorType, SkColors::kTransparent, GrMipMapped::kNo, GrRenderable::kYes, GrProtected::kNo); surf = SkSurface::MakeFromBackendTexture(context, 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(context, 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(); context->flush(); context->deleteBackendTexture(backendTex); static constexpr int kSampleCnt = 2; can = context->maxSurfaceSampleCountForColorType(colorType) >= kSampleCnt; surf = SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, info, kSampleCnt, nullptr); REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d", colorType, can, SkToBool(surf)); backendTex = context->createBackendTexture(kSize, kSize, colorType, SkColors::kTransparent, GrMipMapped::kNo, GrRenderable::kYes, GrProtected::kNo); surf = SkSurface::MakeFromBackendTexture(context, 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->numSamples(); int allowedCnt = context->priv().caps()->getRenderTargetSampleCount( storedCnt, rtc->asSurfaceProxy()->config()); REPORTER_ASSERT(reporter, storedCnt == allowedCnt, "Should store an allowed sample count (%d vs %d)", allowedCnt, storedCnt); } surf = SkSurface::MakeFromBackendTextureAsRenderTarget(context, 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->numSamples(); int allowedCnt = context->priv().caps()->getRenderTargetSampleCount( storedCnt, rtc->asSurfaceProxy()->config()); REPORTER_ASSERT(reporter, storedCnt == allowedCnt, "Should store an allowed sample count (%d vs %d)", allowedCnt, storedCnt); } surf.reset(); context->flush(); context->deleteBackendTexture(backendTex); auto* gpu = context->priv().getGpu(); GrBackendRenderTarget backendRenderTarget = gpu->createTestingOnlyBackendRenderTarget( 16, 16, SkColorTypeToGrColorType(colorType)); can = context->colorTypeSupportedAsSurface(colorType); surf = SkSurface::MakeFromBackendRenderTarget(context, backendRenderTarget, kTopLeft_GrSurfaceOrigin, colorType, nullptr, nullptr); REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d", colorType, can, SkToBool(surf)); surf.reset(); context->flush(); if (backendRenderTarget.isValid()) { gpu->deleteTestingOnlyBackendRenderTarget(backendRenderTarget); } } } DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrContext_maxSurfaceSamplesForColorType, reporter, ctxInfo) { GrContext* context = ctxInfo.grContext(); static constexpr int kSize = 10; for (int ct = 0; ct < kLastEnum_SkColorType; ++ct) { SkColorType colorType = static_cast(ct); int max = context->maxSurfaceSampleCountForColorType(colorType); if (!max) { continue; } GrBackendTexture backendTex = context->createBackendTexture( kSize, kSize, colorType, SkColors::kTransparent, GrMipMapped::kNo, GrRenderable::kYes, GrProtected::kNo); if (!backendTex.isValid()) { continue; } SkScopeExit freeTex([&backendTex, context] { context->deleteBackendTexture(backendTex); }); auto info = SkImageInfo::Make(kSize, kSize, colorType, kOpaque_SkAlphaType, nullptr); auto surf = SkSurface::MakeFromBackendTexture(context, backendTex, kTopLeft_GrSurfaceOrigin, max, colorType, nullptr, nullptr); REPORTER_ASSERT(reporter, surf); if (!surf) { continue; } int sampleCnt = ((SkSurface_Gpu*)(surf.get())) ->getDevice() ->accessRenderTargetContext() ->numSamples(); REPORTER_ASSERT(reporter, sampleCnt == max, "Exected: %d, actual: %d", max, sampleCnt); } } 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); } } 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); } } 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); } } } 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); } } } static void test_backend_texture_access_copy_on_write( skiatest::Reporter* reporter, SkSurface* surface, SkSurface::BackendHandleAccess access) { GrBackendTexture tex1 = surface->getBackendTexture(access); sk_sp snap1(surface->makeImageSnapshot()); GrBackendTexture tex2 = surface->getBackendTexture(access); sk_sp snap2(surface->makeImageSnapshot()); // If the access mode triggers CoW, then the backend objects should reflect it. REPORTER_ASSERT(reporter, GrBackendTexture::TestingOnly_Equals(tex1, tex2) == (snap1 == snap2)); } static void test_backend_rendertarget_access_copy_on_write( skiatest::Reporter* reporter, SkSurface* surface, SkSurface::BackendHandleAccess access) { GrBackendRenderTarget rt1 = surface->getBackendRenderTarget(access); sk_sp snap1(surface->makeImageSnapshot()); GrBackendRenderTarget rt2 = surface->getBackendRenderTarget(access); sk_sp snap2(surface->makeImageSnapshot()); // If the access mode triggers CoW, then the backend objects should reflect it. REPORTER_ASSERT(reporter, GrBackendRenderTarget::TestingOnly_Equals(rt1, rt2) == (snap1 == snap2)); } DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBackendSurfaceAccessCopyOnWrite_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& accessMode : accessModes) { { auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); test_backend_texture_access_copy_on_write(reporter, surface.get(), accessMode); } { auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); test_backend_rendertarget_access_copy_on_write(reporter, surface.get(), accessMode); } } } } template static void test_backend_unique_id(skiatest::Reporter* reporter, SkSurface* surface) { sk_sp image0(surface->makeImageSnapshot()); Type obj = (surface->*func)(SkSurface::kFlushRead_BackendHandleAccess); REPORTER_ASSERT(reporter, obj.isValid()); sk_sp image1(surface->makeImageSnapshot()); // just read access should not affect the snapshot REPORTER_ASSERT(reporter, image0->uniqueID() == image1->uniqueID()); obj = (surface->*func)(SkSurface::kFlushWrite_BackendHandleAccess); REPORTER_ASSERT(reporter, obj.isValid()); sk_sp image2(surface->makeImageSnapshot()); // expect a new image, since we claimed we would write REPORTER_ASSERT(reporter, image0->uniqueID() != image2->uniqueID()); obj = (surface->*func)(SkSurface::kDiscardWrite_BackendHandleAccess); REPORTER_ASSERT(reporter, obj.isValid()); 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 }) { { auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); test_backend_unique_id(reporter, surface.get()); } { auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); test_backend_unique_id( reporter, surface.get()); } } } // 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"); #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, SkFont(), testPaint)) } DEF_TEST(SurfaceCopyOnWrite, reporter) { test_copy_on_write(reporter, create_surface().get()); } 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()); } } 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()); } 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()); } } 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()); } } 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()); } 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()); GrBackendTexture backendTex = image->getBackendTexture(false); REPORTER_ASSERT(reporter, backendTex.isValid()); surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode); REPORTER_ASSERT(reporter, as_IB(image)->isTextureBacked()); GrBackendTexture backendTex2 = image->getBackendTexture(false); REPORTER_ASSERT(reporter, GrBackendTexture::TestingOnly_Equals(backendTex, backendTex2)); } } 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)); } } static void test_no_canvas1(skiatest::Reporter* reporter, SkSurface* surface, SkSurface::ContentChangeMode mode) { // Test passes by not asserting surface->notifyContentWillChange(mode); } 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); surface->notifyContentWillChange(mode); sk_sp image2 = surface->makeImageSnapshot(); sk_sp aur_image2(image2); 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); } } } 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); } } } } 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); } } } static sk_sp create_gpu_surface_backend_texture( GrContext* ctx, int sampleCnt, const SkColor4f& color, GrBackendTexture* outTexture) { // On Pixel and Pixel2XL's with Adreno 530 and 540s, setting width and height to 10s reliably // triggers what appears to be a driver race condition where the 10x10 surface from the // OverdrawSurface_gpu test is reused(?) for this surface created by the SurfacePartialDraw_gpu // test. // // Immediately after creation of this surface, readback shows the correct initial solid color. // However, sometime before content is rendered into the upper half of the surface, the driver // presumably cleans up the OverdrawSurface_gpu's memory which corrupts this color buffer. The // top half of the surface is fine after the partially-covering rectangle is drawn, but the // untouched bottom half contains random pixel values that trigger asserts in the // SurfacePartialDraw_gpu test for no longer matching the initial color. Running the // SurfacePartialDraw_gpu test without the OverdrawSurface_gpu test completes successfully. // // Requesting a much larger backend texture size seems to prevent it from reusing the same // memory and avoids the issue. #if defined(SK_BUILD_FOR_SKQP) const int kWidth = 10; const int kHeight = 10; #else const int kWidth = 100; const int kHeight = 100; #endif SkImageInfo ii = SkImageInfo::Make(kWidth, kHeight, SkColorType::kRGBA_8888_SkColorType, kPremul_SkAlphaType); if (!create_backend_texture(ctx, outTexture, ii, color, GrMipMapped::kNo, GrRenderable::kYes)) { return nullptr; } sk_sp surface = SkSurface::MakeFromBackendTexture(ctx, *outTexture, kTopLeft_GrSurfaceOrigin, sampleCnt, kRGBA_8888_SkColorType, nullptr, nullptr); if (!surface) { delete_backend_texture(ctx, *outTexture); return nullptr; } return surface; } static sk_sp create_gpu_surface_backend_texture_as_render_target( GrContext* ctx, int sampleCnt, const SkColor4f& color, GrBackendTexture* outTexture) { const int kWidth = 10; const int kHeight = 10; SkImageInfo ii = SkImageInfo::Make(kWidth, kHeight, SkColorType::kRGBA_8888_SkColorType, kPremul_SkAlphaType); if (!create_backend_texture(ctx, outTexture, ii, color, GrMipMapped::kNo, GrRenderable::kYes)) { return nullptr; } sk_sp surface = SkSurface::MakeFromBackendTextureAsRenderTarget( ctx, *outTexture, kTopLeft_GrSurfaceOrigin, sampleCnt, kRGBA_8888_SkColorType, nullptr, nullptr); if (!surface) { delete_backend_texture(ctx, *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(); std::function(SkSurface*)> grSurfaceContextGetters[] = { [] (SkSurface* s){ return sk_ref_sp(s->getCanvas()->internal_private_accessTopLayerRenderTargetContext()); }, [context] (SkSurface* s){ sk_sp i(s->makeImageSnapshot()); SkImage_Gpu* gpuImage = (SkImage_Gpu *) as_IB(i); sk_sp proxy = gpuImage->asTextureProxyRef(context); return context->priv().makeWrappedSurfaceContext( std::move(proxy), SkColorTypeToGrColorType(i->colorType()), kPremul_SkAlphaType, 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 SkColor4f kOrigColor { .67f, .67f, .67f, 1 }; 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.toSkColor()); surface.reset(); context->deleteBackendTexture(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]) { SkDebugf("--- got [%x] expected [%x], x = %d, y = %d\n", pixels[x + y * kW], rectColorPM, x, y); 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]) { SkDebugf("--- got [%x] expected [%x], x = %d, y = %d\n", pixels[x + y * kW], origColorPM, x, y); stop = true; } } } } DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfacePartialDraw_Gpu, reporter, ctxInfo) { GrContext* context = ctxInfo.grContext(); static const SkColor4f kOrigColor { 0.667f, 0.733f, 0.8f, 1 }; 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(context, 1, kOrigColor, &backendTex); if (surface) { test_surface_draw_partially(reporter, surface, kOrigColor.toSkColor()); surface.reset(); context->deleteBackendTexture(backendTex); } } } struct ReleaseChecker { ReleaseChecker() : fReleaseCount(0) {} int fReleaseCount; static void Release(void* self) { static_cast(self)->fReleaseCount++; } }; DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceWrappedWithRelease_Gpu, reporter, ctxInfo) { const int kWidth = 10; const int kHeight = 10; GrContext* ctx = ctxInfo.grContext(); GrGpu* gpu = ctx->priv().getGpu(); for (bool useTexture : {false, true}) { GrBackendTexture backendTex; GrBackendRenderTarget backendRT; sk_sp surface; ReleaseChecker releaseChecker; GrSurfaceOrigin texOrigin = kBottomLeft_GrSurfaceOrigin; if (useTexture) { SkImageInfo ii = SkImageInfo::Make(kWidth, kHeight, SkColorType::kRGBA_8888_SkColorType, kPremul_SkAlphaType); if (!create_backend_texture(ctx, &backendTex, ii, SkColors::kRed, GrMipMapped::kNo, GrRenderable::kYes)) { continue; } surface = SkSurface::MakeFromBackendTexture(ctx, backendTex, texOrigin, 1, kRGBA_8888_SkColorType, nullptr, nullptr, ReleaseChecker::Release, &releaseChecker); } else { backendRT = gpu->createTestingOnlyBackendRenderTarget(kWidth, kHeight, GrColorType::kRGBA_8888); if (!backendRT.isValid()) { continue; } surface = SkSurface::MakeFromBackendRenderTarget(ctx, backendRT, texOrigin, kRGBA_8888_SkColorType, nullptr, nullptr, ReleaseChecker::Release, &releaseChecker); } if (!surface) { ERRORF(reporter, "Failed to create surface"); continue; } surface->getCanvas()->clear(SK_ColorRED); surface->flush(); gpu->testingOnly_flushGpuAndSync(); // Now exercise the release proc REPORTER_ASSERT(reporter, 0 == releaseChecker.fReleaseCount); surface.reset(nullptr); // force a release of the surface REPORTER_ASSERT(reporter, 1 == releaseChecker.fReleaseCount); if (useTexture) { delete_backend_texture(ctx, backendTex); } else { gpu->deleteTestingOnlyBackendRenderTarget(backendRT); } } } DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceAttachStencil_Gpu, reporter, ctxInfo) { GrContext* context = ctxInfo.grContext(); const GrCaps* caps = context->priv().caps(); if (caps->avoidStencilBuffers()) { return; } static const SkColor4f kOrigColor { 0.667f, 0.733f, 0.8f, 1 }; auto resourceProvider = context->priv().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(context, 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, sampleCnt)); context->deleteBackendTexture(backendTex); } } } DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ReplaceSurfaceBackendTexture, reporter, ctxInfo) { GrContext* context = ctxInfo.grContext(); for (int sampleCnt : {1, 2}) { GrBackendTexture backendTexture1; auto ii = SkImageInfo::Make(10, 10, kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr); if (!create_backend_texture(context, &backendTexture1, ii, SkColors::kTransparent, GrMipMapped::kNo, GrRenderable::kYes)) { continue; } SkScopeExit delete1( [context, &backendTexture1] { delete_backend_texture(context, backendTexture1); }); GrBackendTexture backendTexture2; if (!create_backend_texture(context, &backendTexture2, ii, SkColors::kTransparent, GrMipMapped::kNo, GrRenderable::kYes)) { ERRORF(reporter, "Expected to be able to make second texture"); continue; } SkScopeExit delete2( [context, &backendTexture2] { delete_backend_texture(context, backendTexture2); }); auto ii2 = ii.makeWH(8, 8); GrBackendTexture backendTexture3; if (!create_backend_texture(context, &backendTexture3, ii2, SkColors::kTransparent, GrMipMapped::kNo, GrRenderable::kYes)) { ERRORF(reporter, "Couldn't create different sized texture."); continue; } SkScopeExit delete3( [context, &backendTexture3] { delete_backend_texture(context, backendTexture3); }); auto surf = SkSurface::MakeFromBackendTexture( context, backendTexture1, kTopLeft_GrSurfaceOrigin, sampleCnt, kRGBA_8888_SkColorType, ii.refColorSpace(), nullptr); if (!surf) { continue; } surf->getCanvas()->clear(SK_ColorBLUE); // Change matrix, layer, and clip state before swapping out the backing texture. surf->getCanvas()->translate(5, 5); surf->getCanvas()->saveLayer(nullptr, nullptr); surf->getCanvas()->clipRect(SkRect::MakeXYWH(0, 0, 1, 1)); // switch origin while we're at it. bool replaced = surf->replaceBackendTexture(backendTexture2, kBottomLeft_GrSurfaceOrigin); REPORTER_ASSERT(reporter, replaced); SkPaint paint; paint.setColor(SK_ColorRED); surf->getCanvas()->drawRect(SkRect::MakeWH(5, 5), paint); surf->getCanvas()->restore(); // Check that the replacement texture got the right color values. SkAutoPixmapStorage pm; pm.alloc(ii); bool bad = !surf->readPixels(pm, 0, 0); REPORTER_ASSERT(reporter, !bad, "Could not read surface."); for (int y = 0; y < ii.height() && !bad; ++y) { for (int x = 0; x < ii.width() && !bad; ++x) { auto expected = (x == 5 && y == 5) ? 0xFF0000FF : 0xFFFF0000; auto found = *pm.addr32(x, y); if (found != expected) { bad = true; ERRORF(reporter, "Expected color 0x%08x, found color 0x%08x at %d, %d.", expected, found, x, y); } } } // The original texture should still be all blue. surf = SkSurface::MakeFromBackendTexture( context, backendTexture1, kBottomLeft_GrSurfaceOrigin, sampleCnt, kRGBA_8888_SkColorType, ii.refColorSpace(), nullptr); if (!surf) { ERRORF(reporter, "Could not create second surface."); continue; } bad = !surf->readPixels(pm, 0, 0); REPORTER_ASSERT(reporter, !bad, "Could not read second surface."); for (int y = 0; y < ii.height() && !bad; ++y) { for (int x = 0; x < ii.width() && !bad; ++x) { auto expected = 0xFFFF0000; auto found = *pm.addr32(x, y); if (found != expected) { bad = true; ERRORF(reporter, "Expected color 0x%08x, found color 0x%08x at %d, %d.", expected, found, x, y); } } } // Can't replace with the same texture REPORTER_ASSERT(reporter, !surf->replaceBackendTexture(backendTexture1, kTopLeft_GrSurfaceOrigin)); // Can't replace with invalid texture REPORTER_ASSERT(reporter, !surf->replaceBackendTexture({}, kTopLeft_GrSurfaceOrigin)); // Can't replace with different size texture. REPORTER_ASSERT(reporter, !surf->replaceBackendTexture(backendTexture3, kTopLeft_GrSurfaceOrigin)); // Can't replace texture of non-wrapped SkSurface. surf = SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, ii, sampleCnt, nullptr); REPORTER_ASSERT(reporter, surf); if (surf) { REPORTER_ASSERT(reporter, !surf->replaceBackendTexture(backendTexture1, kTopLeft_GrSurfaceOrigin)); } } } 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()); } 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()); } 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(), ToolUtils::colortype_name(info.colorType()), ToolUtils::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[] = { -1, 0, 1, 1 << 18 }; 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)); } } } }