|  | /* | 
|  | * 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/GrImageInfo.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 <functional> | 
|  | #include <initializer_list> | 
|  | #include <vector> | 
|  |  | 
|  | #include "tools/ToolUtils.h" | 
|  |  | 
|  | static void release_direct_surface_storage(void* pixels, void* context) { | 
|  | SkASSERT(pixels == context); | 
|  | sk_free(pixels); | 
|  | } | 
|  | static sk_sp<SkSurface> 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<SkSurface> 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<SkSurface> 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<SkSurface> 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<SkColorType>(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); | 
|  | } | 
|  |  | 
|  | // The MSAA test only makes sense if the colorType is renderable to begin with. | 
|  | if (context->colorTypeSupportedAsSurface(colorType)) { | 
|  | static constexpr int kSampleCnt = 2; | 
|  |  | 
|  | bool can = context->maxSurfaceSampleCountForColorType(colorType) >= kSampleCnt; | 
|  | auto 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)); | 
|  |  | 
|  | GrBackendTexture 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, backendTex.getBackendFormat()); | 
|  | 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, backendTex.getBackendFormat()); | 
|  | 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)); | 
|  | bool can = context->colorTypeSupportedAsSurface(colorType); | 
|  | auto 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<SkColorType>(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); | 
|  | }); | 
|  |  | 
|  | if (!context->colorTypeSupportedAsSurface(colorType)) { | 
|  | continue; | 
|  | } | 
|  |  | 
|  | 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<SkSurface>& 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<SkSurface>& surface, | 
|  | SkAlphaType expectedAlphaType) { | 
|  | REPORTER_ASSERT(reporter, surface); | 
|  | if (surface) { | 
|  | sk_sp<SkImage> 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<SkImage> snap1(surface->makeImageSnapshot()); | 
|  |  | 
|  | GrBackendTexture tex2 = surface->getBackendTexture(access); | 
|  | sk_sp<SkImage> 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<SkImage> snap1(surface->makeImageSnapshot()); | 
|  |  | 
|  | GrBackendRenderTarget rt2 = surface->getBackendRenderTarget(access); | 
|  | sk_sp<SkImage> 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<typename Type, Type(SkSurface::*func)(SkSurface::BackendHandleAccess)> | 
|  | static void test_backend_unique_id(skiatest::Reporter* reporter, SkSurface* surface) { | 
|  | sk_sp<SkImage> image0(surface->makeImageSnapshot()); | 
|  |  | 
|  | Type obj = (surface->*func)(SkSurface::kFlushRead_BackendHandleAccess); | 
|  | REPORTER_ASSERT(reporter, obj.isValid()); | 
|  | sk_sp<SkImage> 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<SkImage> 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<SkImage> 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<GrBackendTexture, &SkSurface::getBackendTexture>(reporter, | 
|  | surface.get()); | 
|  | } | 
|  | { | 
|  | auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); | 
|  | test_backend_unique_id<GrBackendRenderTarget, &SkSurface::getBackendRenderTarget>( | 
|  | 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<SkImage> imageBefore = surface->makeImageSnapshot();  \ | 
|  | sk_sp<SkImage> aur_before(imageBefore);                     \ | 
|  | canvas-> command ;                                          \ | 
|  | sk_sp<SkImage> imageAfter = surface->makeImageSnapshot();   \ | 
|  | sk_sp<SkImage> 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<SkImage> image1(surface1->makeImageSnapshot()); | 
|  | // Trigger copy on write, new backing is a scratch texture | 
|  | canvas1->clear(2); | 
|  | sk_sp<SkImage> 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<SkImage> 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<SkImage> 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<SkImage> 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<SkImage> 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<SkSurface>& 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<SkImage> 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<SkImage> 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<SkImage> image1 = surface->makeImageSnapshot(); | 
|  | sk_sp<SkImage> aur_image1(image1); | 
|  | surface->notifyContentWillChange(mode); | 
|  | sk_sp<SkImage> image2 = surface->makeImageSnapshot(); | 
|  | sk_sp<SkImage> 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<SkImage> 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<SkImage> 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<size_t>::max(), nullptr); | 
|  | REPORTER_ASSERT(reporter, nullptr == s); | 
|  | } | 
|  |  | 
|  | DEF_TEST(surface_raster_zeroinitialized, reporter) { | 
|  | sk_sp<SkSurface> 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<SkSurface> 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<SkSurface> 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<SkSurface> 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<SkSurface> 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_context_clear(skiatest::Reporter* reporter, | 
|  | GrSurfaceContext* surfaceContext, uint32_t expectedValue) { | 
|  | int w = surfaceContext->width(); | 
|  | int h = surfaceContext->height(); | 
|  |  | 
|  | SkImageInfo ii = SkImageInfo::Make(w, h, kRGBA_8888_SkColorType, kPremul_SkAlphaType); | 
|  |  | 
|  | SkAutoPixmapStorage readback; | 
|  | readback.alloc(ii); | 
|  |  | 
|  | readback.erase(~expectedValue); | 
|  | surfaceContext->readPixels(readback.info(), readback.writable_addr(), readback.rowBytes(), | 
|  | {0, 0}); | 
|  | for (int y = 0; y < h; ++y) { | 
|  | for (int x = 0; x < w; ++x) { | 
|  | uint32_t pixel = readback.addr32()[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(); | 
|  | // Snaps an image from a surface and then makes a GrSurfaceContext from the image's texture. | 
|  | auto makeImageSurfaceContext = [context](SkSurface* surface) { | 
|  | sk_sp<SkImage> i(surface->makeImageSnapshot()); | 
|  | SkImage_Gpu* gpuImage = (SkImage_Gpu*)as_IB(i); | 
|  | sk_sp<GrTextureProxy> proxy = gpuImage->asTextureProxyRef(context); | 
|  | return context->priv().makeWrappedSurfaceContext( | 
|  | std::move(proxy), SkColorTypeToGrColorType(i->colorType()), kPremul_SkAlphaType, | 
|  | gpuImage->refColorSpace()); | 
|  | }; | 
|  |  | 
|  | // 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); | 
|  | if (!surface) { | 
|  | ERRORF(reporter, "Could not create GPU SkSurface."); | 
|  | return; | 
|  | } | 
|  | auto rtc = surface->getCanvas()->internal_private_accessTopLayerRenderTargetContext(); | 
|  | if (!rtc) { | 
|  | ERRORF(reporter, "Could access surface context of GPU SkSurface."); | 
|  | return; | 
|  | } | 
|  | test_surface_context_clear(reporter, rtc, 0x0); | 
|  | auto imageSurfaceCtx = makeImageSurfaceContext(surface.get()); | 
|  | test_surface_context_clear(reporter, imageSurfaceCtx.get(), 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); | 
|  | if (!surface) { | 
|  | ERRORF(reporter, "Could not create GPU SkSurface."); | 
|  | return; | 
|  | } | 
|  | auto rtc = surface->getCanvas()->internal_private_accessTopLayerRenderTargetContext(); | 
|  | if (!rtc) { | 
|  | ERRORF(reporter, "Could access surface context of GPU SkSurface."); | 
|  | return; | 
|  | } | 
|  | test_surface_context_clear(reporter, rtc, kOrigColor.toSkColor()); | 
|  | auto imageSurfaceCtx = makeImageSurfaceContext(surface.get()); | 
|  | test_surface_context_clear(reporter, imageSurfaceCtx.get(), kOrigColor.toSkColor()); | 
|  | context->deleteBackendTexture(backendTex); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void test_surface_draw_partially( | 
|  | skiatest::Reporter* reporter, sk_sp<SkSurface> surface, SkColor 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::MakeIWH(kW, kH/2), paint); | 
|  |  | 
|  | // 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); | 
|  |  | 
|  | SkAutoPixmapStorage readback; | 
|  | readback.alloc(readInfo); | 
|  |  | 
|  | readback.erase(~origColor); | 
|  | SkAssertResult(surface->readPixels(readback.info(), readback.writable_addr(), | 
|  | readback.rowBytes(), 0, 0)); | 
|  | bool stop = false; | 
|  |  | 
|  | SkPMColor origColorPM = SkPackARGB_as_RGBA(SkColorGetA(origColor), | 
|  | SkColorGetR(origColor), | 
|  | SkColorGetG(origColor), | 
|  | SkColorGetB(origColor)); | 
|  | SkPMColor rectColorPM = SkPackARGB_as_RGBA(SkColorGetA(kRectColor), | 
|  | SkColorGetR(kRectColor), | 
|  | SkColorGetG(kRectColor), | 
|  | SkColorGetB(kRectColor)); | 
|  |  | 
|  | for (int y = 0; y < kH/2 && !stop; ++y) { | 
|  | for (int x = 0; x < kW && !stop; ++x) { | 
|  | REPORTER_ASSERT(reporter, rectColorPM == readback.addr32()[x + y * kW]); | 
|  | if (rectColorPM != readback.addr32()[x + y * kW]) { | 
|  | SkDebugf("--- got [%x] expected [%x], x = %d, y = %d\n", | 
|  | readback.addr32()[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 == readback.addr32()[x + y * kW]); | 
|  | if (origColorPM != readback.addr32()[x + y * kW]) { | 
|  | SkDebugf("--- got [%x] expected [%x], x = %d, y = %d\n", | 
|  | readback.addr32()[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<ReleaseChecker*>(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<SkSurface> 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<SkImage> 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<SkSurface> surface = create_surface(); | 
|  | test_overdraw_surface(r, surface.get()); | 
|  | } | 
|  |  | 
|  | DEF_GPUTEST_FOR_RENDERING_CONTEXTS(OverdrawSurface_Gpu, r, ctxInfo) { | 
|  | GrContext* context = ctxInfo.grContext(); | 
|  | sk_sp<SkSurface> 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<SkColorType>(cti); | 
|  | for (int ati = 0; ati <= kLastEnum_SkAlphaType; ++ati) { | 
|  | SkAlphaType at = static_cast<SkAlphaType>(ati); | 
|  | for (int32_t size : sizes) { | 
|  | do_test(SkImageInfo::Make(1, size, ct, at)); | 
|  | do_test(SkImageInfo::Make(size, 1, ct, at)); | 
|  | } | 
|  | } | 
|  | } | 
|  | } |