8b7451aaf6
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1966013002 Review-Url: https://codereview.chromium.org/1966013002
968 lines
42 KiB
C++
968 lines
42 KiB
C++
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include <functional>
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#include "SkCanvas.h"
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#include "SkData.h"
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#include "SkDevice.h"
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#include "SkImage_Base.h"
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#include "SkPath.h"
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#include "SkRRect.h"
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#include "SkSurface.h"
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#include "SkUtils.h"
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#include "Test.h"
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#if SK_SUPPORT_GPU
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#include "GrContext.h"
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#include "GrDrawContext.h"
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#include "GrGpu.h"
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#include "GrResourceProvider.h"
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#endif
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#include <initializer_list>
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static void release_direct_surface_storage(void* pixels, void* context) {
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SkASSERT(pixels == context);
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sk_free(pixels);
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}
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static sk_sp<SkSurface> create_surface(SkAlphaType at = kPremul_SkAlphaType,
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SkImageInfo* requestedInfo = nullptr) {
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const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
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if (requestedInfo) {
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*requestedInfo = info;
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}
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return SkSurface::MakeRaster(info);
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}
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static sk_sp<SkSurface> create_direct_surface(SkAlphaType at = kPremul_SkAlphaType,
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SkImageInfo* requestedInfo = nullptr) {
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const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
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if (requestedInfo) {
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*requestedInfo = info;
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}
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const size_t rowBytes = info.minRowBytes();
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void* storage = sk_malloc_throw(info.getSafeSize(rowBytes));
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return SkSurface::MakeRasterDirectReleaseProc(info, storage, rowBytes,
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release_direct_surface_storage,
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storage);
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}
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#if SK_SUPPORT_GPU
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static sk_sp<SkSurface> create_gpu_surface(GrContext* context, SkAlphaType at = kPremul_SkAlphaType,
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SkImageInfo* requestedInfo = nullptr) {
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const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
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if (requestedInfo) {
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*requestedInfo = info;
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}
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return SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info, 0, nullptr);
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}
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static sk_sp<SkSurface> create_gpu_scratch_surface(GrContext* context,
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SkAlphaType at = kPremul_SkAlphaType,
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SkImageInfo* requestedInfo = nullptr) {
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const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
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if (requestedInfo) {
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*requestedInfo = info;
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}
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return SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, info, 0, nullptr);
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}
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#endif
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DEF_TEST(SurfaceEmpty, reporter) {
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const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType);
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REPORTER_ASSERT(reporter, nullptr == SkSurface::MakeRaster(info));
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REPORTER_ASSERT(reporter, nullptr == SkSurface::MakeRasterDirect(info, nullptr, 0));
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}
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#if SK_SUPPORT_GPU
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DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceEmpty_Gpu, reporter, ctxInfo) {
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const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType);
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REPORTER_ASSERT(reporter, nullptr ==
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SkSurface::MakeRenderTarget(ctxInfo.grContext(), SkBudgeted::kNo, info, 0,
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nullptr));
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}
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#endif
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static void test_canvas_peek(skiatest::Reporter* reporter,
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sk_sp<SkSurface>& surface,
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const SkImageInfo& requestInfo,
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bool expectPeekSuccess) {
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const SkColor color = SK_ColorRED;
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const SkPMColor pmcolor = SkPreMultiplyColor(color);
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surface->getCanvas()->clear(color);
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SkPixmap pmap;
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bool success = surface->getCanvas()->peekPixels(&pmap);
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REPORTER_ASSERT(reporter, expectPeekSuccess == success);
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SkPixmap pmap2;
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const void* addr2 = surface->peekPixels(&pmap2) ? pmap2.addr() : nullptr;
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if (success) {
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REPORTER_ASSERT(reporter, requestInfo == pmap.info());
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REPORTER_ASSERT(reporter, requestInfo.minRowBytes() <= pmap.rowBytes());
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REPORTER_ASSERT(reporter, pmcolor == *pmap.addr32());
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REPORTER_ASSERT(reporter, pmap.addr() == pmap2.addr());
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REPORTER_ASSERT(reporter, pmap.info() == pmap2.info());
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REPORTER_ASSERT(reporter, pmap.rowBytes() == pmap2.rowBytes());
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} else {
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REPORTER_ASSERT(reporter, nullptr == addr2);
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}
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}
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DEF_TEST(SurfaceCanvasPeek, reporter) {
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for (auto& surface_func : { &create_surface, &create_direct_surface }) {
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SkImageInfo requestInfo;
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auto surface(surface_func(kPremul_SkAlphaType, &requestInfo));
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test_canvas_peek(reporter, surface, requestInfo, true);
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}
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}
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#if SK_SUPPORT_GPU
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DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceCanvasPeek_Gpu, reporter, ctxInfo) {
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for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
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SkImageInfo requestInfo;
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auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, &requestInfo));
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test_canvas_peek(reporter, surface, requestInfo, false);
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}
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}
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#endif
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// For compatibility with clients that still call accessBitmap(), we need to ensure that we bump
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// the bitmap's genID when we draw to it, else they won't know it has new values. When they are
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// exclusively using surface/image, and we can hide accessBitmap from device, we can remove this
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// test.
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void test_access_pixels(skiatest::Reporter* reporter, const sk_sp<SkSurface>& surface) {
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SkCanvas* canvas = surface->getCanvas();
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canvas->clear(0);
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SkBaseDevice* device = canvas->getDevice_just_for_deprecated_compatibility_testing();
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SkBitmap bm = device->accessBitmap(false);
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uint32_t genID0 = bm.getGenerationID();
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// Now we draw something, which needs to "dirty" the genID (sorta like copy-on-write)
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canvas->drawColor(SK_ColorBLUE);
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// Now check that we get a different genID
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uint32_t genID1 = bm.getGenerationID();
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REPORTER_ASSERT(reporter, genID0 != genID1);
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}
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DEF_TEST(SurfaceAccessPixels, reporter) {
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for (auto& surface_func : { &create_surface, &create_direct_surface }) {
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auto surface(surface_func(kPremul_SkAlphaType, nullptr));
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test_access_pixels(reporter, surface);
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}
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}
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#if SK_SUPPORT_GPU
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DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceAccessPixels_Gpu, reporter, ctxInfo) {
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for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
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auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
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test_access_pixels(reporter, surface);
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}
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}
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#endif
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static void test_snapshot_alphatype(skiatest::Reporter* reporter, const sk_sp<SkSurface>& surface,
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bool expectOpaque) {
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REPORTER_ASSERT(reporter, surface);
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if (surface) {
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sk_sp<SkImage> image(surface->makeImageSnapshot());
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REPORTER_ASSERT(reporter, image);
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if (image) {
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REPORTER_ASSERT(reporter, image->isOpaque() == SkToBool(expectOpaque));
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}
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}
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}
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DEF_TEST(SurfaceSnapshotAlphaType, reporter) {
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for (auto& surface_func : { &create_surface, &create_direct_surface }) {
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for (auto& isOpaque : { true, false }) {
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SkAlphaType alphaType = isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType;
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auto surface(surface_func(alphaType, nullptr));
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test_snapshot_alphatype(reporter, surface, isOpaque);
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}
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}
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}
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#if SK_SUPPORT_GPU
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DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceSnapshotAlphaType_Gpu, reporter, ctxInfo) {
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for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
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for (auto& isOpaque : { true, false }) {
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SkAlphaType alphaType = isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType;
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auto surface(surface_func(ctxInfo.grContext(), alphaType, nullptr));
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test_snapshot_alphatype(reporter, surface, isOpaque);
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}
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}
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}
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#endif
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static GrBackendObject get_surface_backend_texture_handle(
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SkSurface* s, SkSurface::BackendHandleAccess a) {
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return s->getTextureHandle(a);
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}
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static GrBackendObject get_surface_backend_render_target_handle(
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SkSurface* s, SkSurface::BackendHandleAccess a) {
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GrBackendObject result;
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if (!s->getRenderTargetHandle(&result, a)) {
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return 0;
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}
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return result;
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}
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static void test_backend_handle_access_copy_on_write(
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skiatest::Reporter* reporter, SkSurface* surface, SkSurface::BackendHandleAccess mode,
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GrBackendObject (*func)(SkSurface*, SkSurface::BackendHandleAccess)) {
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GrBackendObject obj1 = func(surface, mode);
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sk_sp<SkImage> snap1(surface->makeImageSnapshot());
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GrBackendObject obj2 = func(surface, mode);
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sk_sp<SkImage> snap2(surface->makeImageSnapshot());
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// If the access mode triggers CoW, then the backend objects should reflect it.
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REPORTER_ASSERT(reporter, (obj1 == obj2) == (snap1 == snap2));
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}
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DEF_TEST(SurfaceBackendHandleAccessCopyOnWrite, reporter) {
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const SkSurface::BackendHandleAccess accessModes[] = {
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SkSurface::kFlushRead_BackendHandleAccess,
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SkSurface::kFlushWrite_BackendHandleAccess,
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SkSurface::kDiscardWrite_BackendHandleAccess,
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};
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for (auto& handle_access_func :
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{ &get_surface_backend_texture_handle, &get_surface_backend_render_target_handle }) {
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for (auto& accessMode : accessModes) {
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auto surface(create_surface());
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test_backend_handle_access_copy_on_write(reporter, surface.get(), accessMode,
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handle_access_func);
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}
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}
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}
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#if SK_SUPPORT_GPU
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBackendHandleAccessCopyOnWrite_Gpu, reporter, ctxInfo) {
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const SkSurface::BackendHandleAccess accessModes[] = {
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SkSurface::kFlushRead_BackendHandleAccess,
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SkSurface::kFlushWrite_BackendHandleAccess,
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SkSurface::kDiscardWrite_BackendHandleAccess,
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};
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for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
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for (auto& handle_access_func :
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{ &get_surface_backend_texture_handle, &get_surface_backend_render_target_handle }) {
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for (auto& accessMode : accessModes) {
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auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
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test_backend_handle_access_copy_on_write(reporter, surface.get(), accessMode,
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handle_access_func);
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}
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}
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}
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}
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#endif
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static bool same_image(SkImage* a, SkImage* b,
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std::function<intptr_t(SkImage*)> getImageBackingStore) {
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return getImageBackingStore(a) == getImageBackingStore(b);
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}
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static bool same_image_surf(SkImage* a, SkSurface* b,
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std::function<intptr_t(SkImage*)> getImageBackingStore,
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std::function<intptr_t(SkSurface*)> getSurfaceBackingStore) {
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return getImageBackingStore(a) == getSurfaceBackingStore(b);
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}
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static void test_unique_image_snap(skiatest::Reporter* reporter, SkSurface* surface,
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bool surfaceIsDirect,
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std::function<intptr_t(SkImage*)> imageBackingStore,
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std::function<intptr_t(SkSurface*)> surfaceBackingStore) {
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std::function<intptr_t(SkImage*)> ibs = imageBackingStore;
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std::function<intptr_t(SkSurface*)> sbs = surfaceBackingStore;
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static const SkBudgeted kB = SkBudgeted::kNo;
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{
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sk_sp<SkImage> image(surface->makeImageSnapshot(kB, SkSurface::kYes_ForceUnique));
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REPORTER_ASSERT(reporter, !same_image_surf(image.get(), surface, ibs, sbs));
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REPORTER_ASSERT(reporter, image->unique());
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}
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{
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sk_sp<SkImage> image1(surface->makeImageSnapshot(kB, SkSurface::kYes_ForceUnique));
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REPORTER_ASSERT(reporter, !same_image_surf(image1.get(), surface, ibs, sbs));
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REPORTER_ASSERT(reporter, image1->unique());
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sk_sp<SkImage> image2(surface->makeImageSnapshot(kB, SkSurface::kYes_ForceUnique));
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REPORTER_ASSERT(reporter, !same_image_surf(image2.get(), surface, ibs, sbs));
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REPORTER_ASSERT(reporter, !same_image(image1.get(), image2.get(), ibs));
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REPORTER_ASSERT(reporter, image2->unique());
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}
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{
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sk_sp<SkImage> image1(surface->makeImageSnapshot(kB, SkSurface::kNo_ForceUnique));
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sk_sp<SkImage> image2(surface->makeImageSnapshot(kB, SkSurface::kYes_ForceUnique));
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sk_sp<SkImage> image3(surface->makeImageSnapshot(kB, SkSurface::kNo_ForceUnique));
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sk_sp<SkImage> image4(surface->makeImageSnapshot(kB, SkSurface::kYes_ForceUnique));
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// Image 1 and 3 ought to be the same (or we're missing an optimization).
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REPORTER_ASSERT(reporter, same_image(image1.get(), image3.get(), ibs));
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// If the surface is not direct then images 1 and 3 should alias the surface's
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// store.
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REPORTER_ASSERT(reporter, !surfaceIsDirect == same_image_surf(image1.get(), surface, ibs, sbs));
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// Image 2 should not be shared with any other image.
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REPORTER_ASSERT(reporter, !same_image(image1.get(), image2.get(), ibs) &&
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!same_image(image3.get(), image2.get(), ibs) &&
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!same_image(image4.get(), image2.get(), ibs));
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REPORTER_ASSERT(reporter, image2->unique());
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REPORTER_ASSERT(reporter, !same_image_surf(image2.get(), surface, ibs, sbs));
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// Image 4 should not be shared with any other image.
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REPORTER_ASSERT(reporter, !same_image(image1.get(), image4.get(), ibs) &&
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!same_image(image3.get(), image4.get(), ibs));
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REPORTER_ASSERT(reporter, !same_image_surf(image4.get(), surface, ibs, sbs));
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REPORTER_ASSERT(reporter, image4->unique());
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}
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}
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DEF_TEST(UniqueImageSnapshot, reporter) {
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auto getImageBackingStore = [reporter](SkImage* image) {
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SkPixmap pm;
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bool success = image->peekPixels(&pm);
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REPORTER_ASSERT(reporter, success);
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return reinterpret_cast<intptr_t>(pm.addr());
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};
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auto getSufaceBackingStore = [reporter](SkSurface* surface) {
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SkPixmap pmap;
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const void* pixels = surface->getCanvas()->peekPixels(&pmap) ? pmap.addr() : nullptr;
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REPORTER_ASSERT(reporter, pixels);
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return reinterpret_cast<intptr_t>(pixels);
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};
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auto surface(create_surface());
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test_unique_image_snap(reporter, surface.get(), false, getImageBackingStore,
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getSufaceBackingStore);
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surface = create_direct_surface();
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test_unique_image_snap(reporter, surface.get(), true, getImageBackingStore,
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getSufaceBackingStore);
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}
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#if SK_SUPPORT_GPU
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(UniqueImageSnapshot_Gpu, reporter, ctxInfo) {
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GrContext* context = ctxInfo.grContext();
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for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
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auto surface(surface_func(context, kOpaque_SkAlphaType, nullptr));
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auto imageBackingStore = [reporter](SkImage* image) {
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GrTexture* texture = as_IB(image)->peekTexture();
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if (!texture) {
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ERRORF(reporter, "Not texture backed.");
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return static_cast<intptr_t>(0);
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}
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return static_cast<intptr_t>(texture->getUniqueID());
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};
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auto surfaceBackingStore = [reporter](SkSurface* surface) {
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GrDrawContext* dc = surface->getCanvas()->internal_private_accessTopLayerDrawContext();
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GrRenderTarget* rt = dc->accessRenderTarget();
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if (!rt) {
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ERRORF(reporter, "Not render target backed.");
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return static_cast<intptr_t>(0);
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}
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return static_cast<intptr_t>(rt->getUniqueID());
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};
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test_unique_image_snap(reporter, surface.get(), false, imageBackingStore,
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surfaceBackingStore);
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// Test again with a "direct" render target;
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GrBackendObject textureObject = context->getGpu()->createTestingOnlyBackendTexture(nullptr,
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10, 10, kRGBA_8888_GrPixelConfig);
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GrBackendTextureDesc desc;
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desc.fConfig = kRGBA_8888_GrPixelConfig;
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desc.fWidth = 10;
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desc.fHeight = 10;
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desc.fFlags = kRenderTarget_GrBackendTextureFlag;
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desc.fTextureHandle = textureObject;
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GrTexture* texture = context->textureProvider()->wrapBackendTexture(desc);
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{
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auto surface(SkSurface::MakeRenderTargetDirect(texture->asRenderTarget()));
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test_unique_image_snap(reporter, surface.get(), true, imageBackingStore,
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surfaceBackingStore);
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}
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texture->unref();
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context->getGpu()->deleteTestingOnlyBackendTexture(textureObject);
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}
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}
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#endif
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#if SK_SUPPORT_GPU
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// May we (soon) eliminate the need to keep testing this, by hiding the bloody device!
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static uint32_t get_legacy_gen_id(SkSurface* surface) {
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SkBaseDevice* device =
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surface->getCanvas()->getDevice_just_for_deprecated_compatibility_testing();
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return device->accessBitmap(false).getGenerationID();
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}
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/*
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* Test legacy behavor of bumping the surface's device's bitmap's genID when we access its
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* texture handle for writing.
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*
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* Note: this needs to be tested separately from checking makeImageSnapshot, as calling that
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* can also incidentally bump the genID (when a new backing surface is created).
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*/
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static void test_backend_handle_gen_id(
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skiatest::Reporter* reporter, SkSurface* surface,
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GrBackendObject (*func)(SkSurface*, SkSurface::BackendHandleAccess)) {
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const uint32_t gen0 = get_legacy_gen_id(surface);
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func(surface, SkSurface::kFlushRead_BackendHandleAccess);
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const uint32_t gen1 = get_legacy_gen_id(surface);
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REPORTER_ASSERT(reporter, gen0 == gen1);
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func(surface, SkSurface::kFlushWrite_BackendHandleAccess);
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const uint32_t gen2 = get_legacy_gen_id(surface);
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REPORTER_ASSERT(reporter, gen0 != gen2);
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func(surface, SkSurface::kDiscardWrite_BackendHandleAccess);
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const uint32_t gen3 = get_legacy_gen_id(surface);
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REPORTER_ASSERT(reporter, gen0 != gen3);
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REPORTER_ASSERT(reporter, gen2 != gen3);
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}
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static void test_backend_handle_unique_id(
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skiatest::Reporter* reporter, SkSurface* surface,
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GrBackendObject (*func)(SkSurface*, SkSurface::BackendHandleAccess)) {
|
|
sk_sp<SkImage> image0(surface->makeImageSnapshot());
|
|
GrBackendObject obj = func(surface, SkSurface::kFlushRead_BackendHandleAccess);
|
|
REPORTER_ASSERT(reporter, obj != 0);
|
|
sk_sp<SkImage> image1(surface->makeImageSnapshot());
|
|
// just read access should not affect the snapshot
|
|
REPORTER_ASSERT(reporter, image0->uniqueID() == image1->uniqueID());
|
|
|
|
obj = func(surface, SkSurface::kFlushWrite_BackendHandleAccess);
|
|
REPORTER_ASSERT(reporter, obj != 0);
|
|
sk_sp<SkImage> image2(surface->makeImageSnapshot());
|
|
// expect a new image, since we claimed we would write
|
|
REPORTER_ASSERT(reporter, image0->uniqueID() != image2->uniqueID());
|
|
|
|
obj = func(surface, SkSurface::kDiscardWrite_BackendHandleAccess);
|
|
REPORTER_ASSERT(reporter, obj != 0);
|
|
sk_sp<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 }) {
|
|
for (auto& test_func : { &test_backend_handle_unique_id, &test_backend_handle_gen_id }) {
|
|
for (auto& handle_access_func :
|
|
{ &get_surface_backend_texture_handle, &get_surface_backend_render_target_handle}) {
|
|
auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
|
|
test_func(reporter, surface.get(), handle_access_func);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// Verify that the right canvas commands trigger a copy on write.
|
|
static void test_copy_on_write(skiatest::Reporter* reporter, SkSurface* surface) {
|
|
SkCanvas* canvas = surface->getCanvas();
|
|
|
|
const SkRect testRect =
|
|
SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0),
|
|
SkIntToScalar(4), SkIntToScalar(5));
|
|
SkPath testPath;
|
|
testPath.addRect(SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0),
|
|
SkIntToScalar(2), SkIntToScalar(1)));
|
|
|
|
const SkIRect testIRect = SkIRect::MakeXYWH(0, 0, 2, 1);
|
|
|
|
SkRegion testRegion;
|
|
testRegion.setRect(testIRect);
|
|
|
|
|
|
const SkColor testColor = 0x01020304;
|
|
const SkPaint testPaint;
|
|
const SkPoint testPoints[3] = {
|
|
{SkIntToScalar(0), SkIntToScalar(0)},
|
|
{SkIntToScalar(2), SkIntToScalar(1)},
|
|
{SkIntToScalar(0), SkIntToScalar(2)}
|
|
};
|
|
const size_t testPointCount = 3;
|
|
|
|
SkBitmap testBitmap;
|
|
testBitmap.allocN32Pixels(10, 10);
|
|
testBitmap.eraseColor(0);
|
|
|
|
SkRRect testRRect;
|
|
testRRect.setRectXY(testRect, SK_Scalar1, SK_Scalar1);
|
|
|
|
SkString testText("Hello World");
|
|
const SkPoint testPoints2[] = {
|
|
{ SkIntToScalar(0), SkIntToScalar(1) },
|
|
{ SkIntToScalar(1), SkIntToScalar(1) },
|
|
{ SkIntToScalar(2), SkIntToScalar(1) },
|
|
{ SkIntToScalar(3), SkIntToScalar(1) },
|
|
{ SkIntToScalar(4), SkIntToScalar(1) },
|
|
{ SkIntToScalar(5), SkIntToScalar(1) },
|
|
{ SkIntToScalar(6), SkIntToScalar(1) },
|
|
{ SkIntToScalar(7), SkIntToScalar(1) },
|
|
{ SkIntToScalar(8), SkIntToScalar(1) },
|
|
{ SkIntToScalar(9), SkIntToScalar(1) },
|
|
{ SkIntToScalar(10), SkIntToScalar(1) },
|
|
};
|
|
|
|
#define EXPECT_COPY_ON_WRITE(command) \
|
|
{ \
|
|
sk_sp<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(drawText(testText.c_str(), testText.size(), 0, 1, testPaint))
|
|
EXPECT_COPY_ON_WRITE(drawPosText(testText.c_str(), testText.size(), testPoints2, \
|
|
testPaint))
|
|
EXPECT_COPY_ON_WRITE(drawTextOnPath(testText.c_str(), testText.size(), testPath, nullptr, \
|
|
testPaint))
|
|
}
|
|
DEF_TEST(SurfaceCopyOnWrite, reporter) {
|
|
test_copy_on_write(reporter, create_surface().get());
|
|
}
|
|
#if SK_SUPPORT_GPU
|
|
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceCopyOnWrite_Gpu, reporter, ctxInfo) {
|
|
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
|
|
auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
|
|
test_copy_on_write(reporter, surface.get());
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void test_writable_after_snapshot_release(skiatest::Reporter* reporter,
|
|
SkSurface* surface) {
|
|
// This test succeeds by not triggering an assertion.
|
|
// The test verifies that the surface remains writable (usable) after
|
|
// acquiring and releasing a snapshot without triggering a copy on write.
|
|
SkCanvas* canvas = surface->getCanvas();
|
|
canvas->clear(1);
|
|
surface->makeImageSnapshot(); // Create and destroy SkImage
|
|
canvas->clear(2); // Must not assert internally
|
|
}
|
|
DEF_TEST(SurfaceWriteableAfterSnapshotRelease, reporter) {
|
|
test_writable_after_snapshot_release(reporter, create_surface().get());
|
|
}
|
|
#if SK_SUPPORT_GPU
|
|
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceWriteableAfterSnapshotRelease_Gpu, reporter, ctxInfo) {
|
|
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
|
|
auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
|
|
test_writable_after_snapshot_release(reporter, surface.get());
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if SK_SUPPORT_GPU
|
|
static void test_crbug263329(skiatest::Reporter* reporter,
|
|
SkSurface* surface1,
|
|
SkSurface* surface2) {
|
|
// This is a regression test for crbug.com/263329
|
|
// Bug was caused by onCopyOnWrite releasing the old surface texture
|
|
// back to the scratch texture pool even though the texture is used
|
|
// by and active SkImage_Gpu.
|
|
SkCanvas* canvas1 = surface1->getCanvas();
|
|
SkCanvas* canvas2 = surface2->getCanvas();
|
|
canvas1->clear(1);
|
|
sk_sp<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)->peekTexture() != as_IB(image3)->peekTexture());
|
|
// The following assertion checks crbug.com/263329
|
|
REPORTER_ASSERT(reporter, as_IB(image4)->peekTexture() != as_IB(image2)->peekTexture());
|
|
REPORTER_ASSERT(reporter, as_IB(image4)->peekTexture() != as_IB(image1)->peekTexture());
|
|
REPORTER_ASSERT(reporter, as_IB(image3)->peekTexture() != as_IB(image2)->peekTexture());
|
|
REPORTER_ASSERT(reporter, as_IB(image3)->peekTexture() != as_IB(image1)->peekTexture());
|
|
REPORTER_ASSERT(reporter, as_IB(image2)->peekTexture() != as_IB(image1)->peekTexture());
|
|
}
|
|
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceCRBug263329_Gpu, reporter, ctxInfo) {
|
|
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
|
|
auto surface1(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
|
|
auto surface2(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
|
|
test_crbug263329(reporter, surface1.get(), surface2.get());
|
|
}
|
|
}
|
|
#endif
|
|
|
|
DEF_TEST(SurfaceGetTexture, reporter) {
|
|
auto surface(create_surface());
|
|
sk_sp<SkImage> image(surface->makeImageSnapshot());
|
|
REPORTER_ASSERT(reporter, as_IB(image)->peekTexture() == nullptr);
|
|
surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
|
|
REPORTER_ASSERT(reporter, as_IB(image)->peekTexture() == nullptr);
|
|
}
|
|
#if SK_SUPPORT_GPU
|
|
DEF_GPUTEST_FOR_GL_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());
|
|
GrTexture* texture = as_IB(image)->peekTexture();
|
|
REPORTER_ASSERT(reporter, texture);
|
|
REPORTER_ASSERT(reporter, 0 != texture->getTextureHandle());
|
|
surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
|
|
REPORTER_ASSERT(reporter, as_IB(image)->peekTexture() == texture);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if SK_SUPPORT_GPU
|
|
#include "GrGpuResourcePriv.h"
|
|
#include "SkGpuDevice.h"
|
|
#include "SkImage_Gpu.h"
|
|
#include "SkSurface_Gpu.h"
|
|
|
|
static SkBudgeted is_budgeted(const sk_sp<SkSurface>& surf) {
|
|
SkSurface_Gpu* gsurf = (SkSurface_Gpu*)surf.get();
|
|
return gsurf->getDevice()->accessRenderTarget()->resourcePriv().isBudgeted();
|
|
}
|
|
|
|
static SkBudgeted is_budgeted(SkImage* image) {
|
|
return ((SkImage_Gpu*)image)->peekTexture()->resourcePriv().isBudgeted();
|
|
}
|
|
|
|
static SkBudgeted is_budgeted(const sk_sp<SkImage> image) {
|
|
return is_budgeted(image.get());
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceBudget, reporter, ctxInfo) {
|
|
SkImageInfo info = SkImageInfo::MakeN32Premul(8,8);
|
|
for (auto sbudgeted : { SkBudgeted::kNo, SkBudgeted::kYes }) {
|
|
for (auto ibudgeted : { SkBudgeted::kNo, SkBudgeted::kYes }) {
|
|
auto surface(SkSurface::MakeRenderTarget(ctxInfo.grContext(), sbudgeted, info));
|
|
SkASSERT(surface);
|
|
REPORTER_ASSERT(reporter, sbudgeted == is_budgeted(surface));
|
|
|
|
sk_sp<SkImage> image(surface->makeImageSnapshot(ibudgeted));
|
|
|
|
// Initially the image shares a texture with the surface, and the surface decides
|
|
// whether it is budgeted or not.
|
|
REPORTER_ASSERT(reporter, sbudgeted == is_budgeted(surface));
|
|
REPORTER_ASSERT(reporter, sbudgeted == is_budgeted(image));
|
|
|
|
// Now trigger copy-on-write
|
|
surface->getCanvas()->clear(SK_ColorBLUE);
|
|
|
|
// They don't share a texture anymore. They should each have made their own budget
|
|
// decision.
|
|
REPORTER_ASSERT(reporter, sbudgeted == is_budgeted(surface));
|
|
REPORTER_ASSERT(reporter, ibudgeted == is_budgeted(image));
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void test_no_canvas1(skiatest::Reporter* reporter,
|
|
SkSurface* surface,
|
|
SkSurface::ContentChangeMode mode) {
|
|
// Test passes by not asserting
|
|
surface->notifyContentWillChange(mode);
|
|
SkDEBUGCODE(surface->validate();)
|
|
}
|
|
static void test_no_canvas2(skiatest::Reporter* reporter,
|
|
SkSurface* surface,
|
|
SkSurface::ContentChangeMode mode) {
|
|
// Verifies the robustness of SkSurface for handling use cases where calls
|
|
// are made before a canvas is created.
|
|
sk_sp<SkImage> image1 = surface->makeImageSnapshot();
|
|
sk_sp<SkImage> aur_image1(image1);
|
|
SkDEBUGCODE(image1->validate();)
|
|
SkDEBUGCODE(surface->validate();)
|
|
surface->notifyContentWillChange(mode);
|
|
SkDEBUGCODE(image1->validate();)
|
|
SkDEBUGCODE(surface->validate();)
|
|
sk_sp<SkImage> image2 = surface->makeImageSnapshot();
|
|
sk_sp<SkImage> aur_image2(image2);
|
|
SkDEBUGCODE(image2->validate();)
|
|
SkDEBUGCODE(surface->validate();)
|
|
REPORTER_ASSERT(reporter, image1 != image2);
|
|
}
|
|
DEF_TEST(SurfaceNoCanvas, reporter) {
|
|
SkSurface::ContentChangeMode modes[] =
|
|
{ SkSurface::kDiscard_ContentChangeMode, SkSurface::kRetain_ContentChangeMode};
|
|
for (auto& test_func : { &test_no_canvas1, &test_no_canvas2 }) {
|
|
for (auto& mode : modes) {
|
|
test_func(reporter, create_surface().get(), mode);
|
|
}
|
|
}
|
|
}
|
|
#if SK_SUPPORT_GPU
|
|
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceNoCanvas_Gpu, reporter, ctxInfo) {
|
|
SkSurface::ContentChangeMode modes[] =
|
|
{ SkSurface::kDiscard_ContentChangeMode, SkSurface::kRetain_ContentChangeMode};
|
|
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
|
|
for (auto& test_func : { &test_no_canvas1, &test_no_canvas2 }) {
|
|
for (auto& mode : modes) {
|
|
auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
|
|
test_func(reporter, surface.get(), mode);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void check_rowbytes_remain_consistent(SkSurface* surface, skiatest::Reporter* reporter) {
|
|
SkPixmap surfacePM;
|
|
REPORTER_ASSERT(reporter, surface->peekPixels(&surfacePM));
|
|
|
|
sk_sp<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, 1 << 30, nullptr); // allocation to large
|
|
REPORTER_ASSERT(reporter, nullptr == s);
|
|
}
|
|
|
|
#if SK_SUPPORT_GPU
|
|
static sk_sp<SkSurface> create_gpu_surface_backend_texture(
|
|
GrContext* context, int sampleCnt, uint32_t color, GrBackendObject* outTexture) {
|
|
const int kWidth = 10;
|
|
const int kHeight = 10;
|
|
SkAutoTDeleteArray<uint32_t> pixels(new uint32_t[kWidth * kHeight]);
|
|
sk_memset32(pixels.get(), color, kWidth * kHeight);
|
|
GrBackendTextureDesc desc;
|
|
desc.fConfig = kRGBA_8888_GrPixelConfig;
|
|
desc.fWidth = kWidth;
|
|
desc.fHeight = kHeight;
|
|
desc.fFlags = kRenderTarget_GrBackendTextureFlag;
|
|
desc.fTextureHandle = context->getGpu()->createTestingOnlyBackendTexture(
|
|
pixels.get(), kWidth, kHeight, kRGBA_8888_GrPixelConfig);
|
|
desc.fSampleCnt = sampleCnt;
|
|
sk_sp<SkSurface> surface = SkSurface::MakeFromBackendTexture(context, desc, nullptr);
|
|
if (!surface) {
|
|
context->getGpu()->deleteTestingOnlyBackendTexture(desc.fTextureHandle);
|
|
return nullptr;
|
|
}
|
|
*outTexture = desc.fTextureHandle;
|
|
return surface;
|
|
}
|
|
|
|
static sk_sp<SkSurface> create_gpu_surface_backend_texture_as_render_target(
|
|
GrContext* context, int sampleCnt, uint32_t color, GrBackendObject* outTexture) {
|
|
const int kWidth = 10;
|
|
const int kHeight = 10;
|
|
SkAutoTDeleteArray<uint32_t> pixels(new uint32_t[kWidth * kHeight]);
|
|
sk_memset32(pixels.get(), color, kWidth * kHeight);
|
|
GrBackendTextureDesc desc;
|
|
desc.fConfig = kRGBA_8888_GrPixelConfig;
|
|
desc.fWidth = kWidth;
|
|
desc.fHeight = kHeight;
|
|
desc.fFlags = kRenderTarget_GrBackendTextureFlag;
|
|
desc.fTextureHandle = context->getGpu()->createTestingOnlyBackendTexture(
|
|
pixels.get(), kWidth, kHeight, kRGBA_8888_GrPixelConfig);
|
|
desc.fSampleCnt = sampleCnt;
|
|
sk_sp<SkSurface> surface = SkSurface::MakeFromBackendTextureAsRenderTarget(context, desc,
|
|
nullptr);
|
|
if (!surface) {
|
|
context->getGpu()->deleteTestingOnlyBackendTexture(desc.fTextureHandle);
|
|
return nullptr;
|
|
}
|
|
*outTexture = desc.fTextureHandle;
|
|
return surface;
|
|
}
|
|
|
|
static void test_surface_clear(skiatest::Reporter* reporter, sk_sp<SkSurface> surface,
|
|
std::function<GrSurface*(SkSurface*)> grSurfaceGetter,
|
|
uint32_t expectedValue) {
|
|
if (!surface) {
|
|
ERRORF(reporter, "Could not create GPU SkSurface.");
|
|
return;
|
|
}
|
|
int w = surface->width();
|
|
int h = surface->height();
|
|
SkAutoTDeleteArray<uint32_t> pixels(new uint32_t[w * h]);
|
|
sk_memset32(pixels.get(), ~expectedValue, w * h);
|
|
|
|
SkAutoTUnref<GrSurface> grSurface(SkSafeRef(grSurfaceGetter(surface.get())));
|
|
if (!grSurface) {
|
|
ERRORF(reporter, "Could access render target of GPU SkSurface.");
|
|
return;
|
|
}
|
|
surface.reset();
|
|
grSurface->readPixels(0, 0, w, h, kRGBA_8888_GrPixelConfig, pixels.get());
|
|
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<GrSurface*(SkSurface*)> grSurfaceGetters[] = {
|
|
[] (SkSurface* s){
|
|
GrDrawContext* dc = s->getCanvas()->internal_private_accessTopLayerDrawContext();
|
|
return dc->accessRenderTarget(); },
|
|
[] (SkSurface* s){
|
|
SkBaseDevice* d =
|
|
s->getCanvas()->getDevice_just_for_deprecated_compatibility_testing();
|
|
return d->accessRenderTarget(); },
|
|
[] (SkSurface* s){ sk_sp<SkImage> i(s->makeImageSnapshot());
|
|
return as_IB(i)->peekTexture(); }
|
|
};
|
|
|
|
for (auto grSurfaceGetter : grSurfaceGetters) {
|
|
// Test that non-wrapped RTs are created clear.
|
|
for (auto& surface_func : {&create_gpu_surface, &create_gpu_scratch_surface}) {
|
|
auto surface = surface_func(context, kPremul_SkAlphaType, nullptr);
|
|
test_surface_clear(reporter, surface, grSurfaceGetter, 0x0);
|
|
}
|
|
// Wrapped RTs are *not* supposed to clear (to allow client to partially update a surface).
|
|
const uint32_t kOrigColor = 0xABABABAB;
|
|
for (auto& surfaceFunc : {&create_gpu_surface_backend_texture,
|
|
&create_gpu_surface_backend_texture_as_render_target}) {
|
|
GrBackendObject textureObject;
|
|
auto surface = surfaceFunc(context, 0, kOrigColor, &textureObject);
|
|
test_surface_clear(reporter, surface, grSurfaceGetter, kOrigColor);
|
|
surface.reset();
|
|
context->getGpu()->deleteTestingOnlyBackendTexture(textureObject);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void test_surface_draw_partially(
|
|
skiatest::Reporter* reporter, sk_sp<SkSurface> 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);
|
|
SkAutoTDeleteArray<uint32_t> pixels(new uint32_t[kW * kH]);
|
|
sk_memset32(pixels.get(), ~origColor, kW * kH);
|
|
// Read back RGBA to avoid format conversions that may not be supported on all platforms.
|
|
SkImageInfo readInfo = SkImageInfo::Make(kW, kH, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
|
|
SkAssertResult(surface->readPixels(readInfo, pixels.get(), kW * sizeof(uint32_t), 0, 0));
|
|
bool stop = false;
|
|
SkPMColor origColorPM = SkPackARGB_as_RGBA((origColor >> 24 & 0xFF),
|
|
(origColor >> 0 & 0xFF),
|
|
(origColor >> 8 & 0xFF),
|
|
(origColor >> 16 & 0xFF));
|
|
SkPMColor rectColorPM = SkPackARGB_as_RGBA((kRectColor >> 24 & 0xFF),
|
|
(kRectColor >> 16 & 0xFF),
|
|
(kRectColor >> 8 & 0xFF),
|
|
(kRectColor >> 0 & 0xFF));
|
|
for (int y = 0; y < kH/2 && !stop; ++y) {
|
|
for (int x = 0; x < kW && !stop; ++x) {
|
|
REPORTER_ASSERT(reporter, rectColorPM == pixels[x + y * kW]);
|
|
if (rectColorPM != pixels[x + y * kW]) {
|
|
stop = true;
|
|
}
|
|
}
|
|
}
|
|
stop = false;
|
|
for (int y = kH/2; y < kH && !stop; ++y) {
|
|
for (int x = 0; x < kW && !stop; ++x) {
|
|
REPORTER_ASSERT(reporter, origColorPM == pixels[x + y * kW]);
|
|
if (origColorPM != pixels[x + y * kW]) {
|
|
stop = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfacePartialDraw_Gpu, reporter, ctxInfo) {
|
|
GrGpu* gpu = ctxInfo.grContext()->getGpu();
|
|
if (!gpu) {
|
|
return;
|
|
}
|
|
static const uint32_t kOrigColor = 0xFFAABBCC;
|
|
|
|
for (auto& surfaceFunc : {&create_gpu_surface_backend_texture,
|
|
&create_gpu_surface_backend_texture_as_render_target}) {
|
|
// Validate that we can draw to the canvas and that the original texture color is
|
|
// preserved in pixels that aren't rendered to via the surface.
|
|
// This works only for non-multisampled case.
|
|
GrBackendObject textureObject;
|
|
auto surface = surfaceFunc(ctxInfo.grContext(), 0, kOrigColor, &textureObject);
|
|
if (surface) {
|
|
test_surface_draw_partially(reporter, surface, kOrigColor);
|
|
surface.reset();
|
|
gpu->deleteTestingOnlyBackendTexture(textureObject);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceAttachStencil_Gpu, reporter, ctxInfo) {
|
|
GrGpu* gpu = ctxInfo.grContext()->getGpu();
|
|
if (!gpu) {
|
|
return;
|
|
}
|
|
static const uint32_t kOrigColor = 0xFFAABBCC;
|
|
|
|
for (auto& surfaceFunc : {&create_gpu_surface_backend_texture,
|
|
&create_gpu_surface_backend_texture_as_render_target}) {
|
|
for (int sampleCnt : {0, 4, 8}) {
|
|
GrBackendObject textureObject;
|
|
auto surface = surfaceFunc(ctxInfo.grContext(), sampleCnt, kOrigColor, &textureObject);
|
|
|
|
if (!surface && sampleCnt > 0) {
|
|
// 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_accessTopLayerDrawContext()
|
|
->accessRenderTarget();
|
|
REPORTER_ASSERT(reporter,
|
|
ctxInfo.grContext()->resourceProvider()->attachStencilAttachment(rt));
|
|
gpu->deleteTestingOnlyBackendTexture(textureObject);
|
|
}
|
|
}
|
|
}
|
|
#endif
|