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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #pragma once
     18 
     19 #include <DeviceInfo.h>
     20 #include <DisplayList.h>
     21 #include <Matrix.h>
     22 #include <Properties.h>
     23 #include <Rect.h>
     24 #include <RenderNode.h>
     25 #include <hwui/Bitmap.h>
     26 #include <pipeline/skia/SkiaRecordingCanvas.h>
     27 #include <renderstate/RenderState.h>
     28 #include <renderthread/RenderThread.h>
     29 #include <Snapshot.h>
     30 
     31 #include <RecordedOp.h>
     32 #include <RecordingCanvas.h>
     33 
     34 #include <memory>
     35 
     36 namespace android {
     37 namespace uirenderer {
     38 
     39 #define EXPECT_MATRIX_APPROX_EQ(a, b) \
     40     EXPECT_TRUE(TestUtils::matricesAreApproxEqual(a, b))
     41 
     42 #define EXPECT_RECT_APPROX_EQ(a, b) \
     43     EXPECT_TRUE(MathUtils::areEqual((a).left, (b).left) \
     44             && MathUtils::areEqual((a).top, (b).top) \
     45             && MathUtils::areEqual((a).right, (b).right) \
     46             && MathUtils::areEqual((a).bottom, (b).bottom));
     47 
     48 #define EXPECT_CLIP_RECT(expRect, clipStatePtr) \
     49         EXPECT_NE(nullptr, (clipStatePtr)) << "Op is unclipped"; \
     50         if ((clipStatePtr)->mode == ClipMode::Rectangle) { \
     51             EXPECT_EQ((expRect), reinterpret_cast<const ClipRect*>(clipStatePtr)->rect); \
     52         } else { \
     53             ADD_FAILURE() << "ClipState not a rect"; \
     54         }
     55 
     56 #define INNER_PIPELINE_TEST(test_case_name, test_name, pipeline, functionCall) \
     57     TEST(test_case_name, test_name##_##pipeline) { \
     58         RenderPipelineType oldType = Properties::getRenderPipelineType(); \
     59         Properties::overrideRenderPipelineType(RenderPipelineType::pipeline); \
     60         functionCall; \
     61         Properties::overrideRenderPipelineType(oldType); \
     62     };
     63 
     64 /**
     65  * Like gtests' TEST, but only runs with the OpenGL RenderPipelineType
     66  */
     67 #define OPENGL_PIPELINE_TEST(test_case_name, test_name) \
     68     class test_case_name##_##test_name##_HwuiTest { \
     69     public: \
     70         static void doTheThing(); \
     71     }; \
     72     INNER_PIPELINE_TEST(test_case_name, test_name, OpenGL, \
     73             test_case_name##_##test_name##_HwuiTest::doTheThing()) \
     74     void test_case_name##_##test_name##_HwuiTest::doTheThing()
     75 
     76 #define INNER_PIPELINE_RENDERTHREAD_TEST(test_case_name, test_name, pipeline) \
     77     INNER_PIPELINE_TEST(test_case_name, test_name, pipeline, \
     78             TestUtils::runOnRenderThread(test_case_name##_##test_name##_RenderThreadTest::doTheThing))
     79 
     80 /**
     81  * Like gtest's TEST, but runs on the RenderThread, and 'renderThread' is passed, in top level scope
     82  * (for e.g. accessing its RenderState)
     83  */
     84 #define RENDERTHREAD_TEST(test_case_name, test_name) \
     85     class test_case_name##_##test_name##_RenderThreadTest { \
     86     public: \
     87         static void doTheThing(renderthread::RenderThread& renderThread); \
     88     }; \
     89     INNER_PIPELINE_RENDERTHREAD_TEST(test_case_name, test_name, OpenGL); \
     90     INNER_PIPELINE_RENDERTHREAD_TEST(test_case_name, test_name, SkiaGL); \
     91     /* Temporarily disabling Vulkan until we can figure out a way to stub out the driver */ \
     92     /* INNER_PIPELINE_RENDERTHREAD_TEST(test_case_name, test_name, SkiaVulkan); */ \
     93     void test_case_name##_##test_name##_RenderThreadTest::doTheThing(renderthread::RenderThread& renderThread)
     94 
     95 /**
     96  * Like RENDERTHREAD_TEST, but only runs with the OpenGL RenderPipelineType
     97  */
     98 #define RENDERTHREAD_OPENGL_PIPELINE_TEST(test_case_name, test_name) \
     99     class test_case_name##_##test_name##_RenderThreadTest { \
    100     public: \
    101         static void doTheThing(renderthread::RenderThread& renderThread); \
    102     }; \
    103     INNER_PIPELINE_RENDERTHREAD_TEST(test_case_name, test_name, OpenGL); \
    104     void test_case_name##_##test_name##_RenderThreadTest::doTheThing(renderthread::RenderThread& renderThread)
    105 
    106 /**
    107  * Like RENDERTHREAD_TEST, but only runs with the Skia RenderPipelineTypes
    108  */
    109 #define RENDERTHREAD_SKIA_PIPELINE_TEST(test_case_name, test_name) \
    110     class test_case_name##_##test_name##_RenderThreadTest { \
    111     public: \
    112         static void doTheThing(renderthread::RenderThread& renderThread); \
    113     }; \
    114     INNER_PIPELINE_RENDERTHREAD_TEST(test_case_name, test_name, SkiaGL); \
    115     /* Temporarily disabling Vulkan until we can figure out a way to stub out the driver */ \
    116     /* INNER_PIPELINE_RENDERTHREAD_TEST(test_case_name, test_name, SkiaVulkan); */ \
    117     void test_case_name##_##test_name##_RenderThreadTest::doTheThing(renderthread::RenderThread& renderThread)
    118 
    119 /**
    120  * Sets a property value temporarily, generally for the duration of a test, restoring the previous
    121  * value when going out of scope.
    122  *
    123  * Can be used e.g. to test behavior only active while Properties::debugOverdraw is enabled.
    124  */
    125 template <typename T>
    126 class ScopedProperty {
    127 public:
    128     ScopedProperty(T& property, T newValue)
    129         : mPropertyPtr(&property)
    130         , mOldValue(property) {
    131         property = newValue;
    132     }
    133     ~ScopedProperty() {
    134         *mPropertyPtr = mOldValue;
    135     }
    136 private:
    137     T* mPropertyPtr;
    138     T mOldValue;
    139 };
    140 
    141 class TestUtils {
    142 public:
    143     class SignalingDtor {
    144     public:
    145         SignalingDtor()
    146                 : mSignal(nullptr) {}
    147         explicit SignalingDtor(int* signal)
    148                 : mSignal(signal) {}
    149         void setSignal(int* signal) {
    150             mSignal = signal;
    151         }
    152         ~SignalingDtor() {
    153             if (mSignal) {
    154                 (*mSignal)++;
    155             }
    156         }
    157     private:
    158         int* mSignal;
    159     };
    160 
    161     class MockTreeObserver : public TreeObserver {
    162     public:
    163         virtual void onMaybeRemovedFromTree(RenderNode* node) {}
    164     };
    165 
    166     static bool matricesAreApproxEqual(const Matrix4& a, const Matrix4& b) {
    167         for (int i = 0; i < 16; i++) {
    168             if (!MathUtils::areEqual(a[i], b[i])) {
    169                 return false;
    170             }
    171         }
    172         return true;
    173     }
    174 
    175     static std::unique_ptr<Snapshot> makeSnapshot(const Matrix4& transform, const Rect& clip) {
    176         std::unique_ptr<Snapshot> snapshot(new Snapshot());
    177         // store clip first, so it isn't transformed
    178         snapshot->setClip(clip.left, clip.top, clip.right, clip.bottom);
    179         *(snapshot->transform) = transform;
    180         return snapshot;
    181     }
    182 
    183     static sk_sp<Bitmap> createBitmap(int width, int height,
    184             SkColorType colorType = kN32_SkColorType) {
    185         SkImageInfo info = SkImageInfo::Make(width, height, colorType, kPremul_SkAlphaType);
    186         return Bitmap::allocateHeapBitmap(info);
    187     }
    188 
    189     static sk_sp<Bitmap> createBitmap(int width, int height, SkBitmap* outBitmap) {
    190         SkImageInfo info = SkImageInfo::Make(width, height, kN32_SkColorType, kPremul_SkAlphaType);
    191         outBitmap->setInfo(info);
    192         return Bitmap::allocateHeapBitmap(outBitmap, nullptr);
    193     }
    194 
    195     static sp<DeferredLayerUpdater> createTextureLayerUpdater(
    196             renderthread::RenderThread& renderThread);
    197 
    198     static sp<DeferredLayerUpdater> createTextureLayerUpdater(
    199             renderthread::RenderThread& renderThread, uint32_t width, uint32_t height,
    200             const SkMatrix& transform);
    201 
    202     template<class CanvasType>
    203     static std::unique_ptr<DisplayList> createDisplayList(int width, int height,
    204             std::function<void(CanvasType& canvas)> canvasCallback) {
    205         CanvasType canvas(width, height);
    206         canvasCallback(canvas);
    207         return std::unique_ptr<DisplayList>(canvas.finishRecording());
    208     }
    209 
    210     static sp<RenderNode> createNode(int left, int top, int right, int bottom,
    211             std::function<void(RenderProperties& props, Canvas& canvas)> setup) {
    212 #if HWUI_NULL_GPU
    213         // if RenderNodes are being sync'd/used, device info will be needed, since
    214         // DeviceInfo::maxTextureSize() affects layer property
    215         DeviceInfo::initialize();
    216 #endif
    217 
    218         sp<RenderNode> node = new RenderNode();
    219         RenderProperties& props = node->mutateStagingProperties();
    220         props.setLeftTopRightBottom(left, top, right, bottom);
    221         if (setup) {
    222             std::unique_ptr<Canvas> canvas(Canvas::create_recording_canvas(props.getWidth(),
    223                     props.getHeight()));
    224             setup(props, *canvas.get());
    225             node->setStagingDisplayList(canvas->finishRecording());
    226         }
    227         node->setPropertyFieldsDirty(0xFFFFFFFF);
    228         return node;
    229     }
    230 
    231     template<class RecordingCanvasType>
    232     static sp<RenderNode> createNode(int left, int top, int right, int bottom,
    233             std::function<void(RenderProperties& props, RecordingCanvasType& canvas)> setup) {
    234 #if HWUI_NULL_GPU
    235         // if RenderNodes are being sync'd/used, device info will be needed, since
    236         // DeviceInfo::maxTextureSize() affects layer property
    237         DeviceInfo::initialize();
    238 #endif
    239 
    240         sp<RenderNode> node = new RenderNode();
    241         RenderProperties& props = node->mutateStagingProperties();
    242         props.setLeftTopRightBottom(left, top, right, bottom);
    243         if (setup) {
    244             RecordingCanvasType canvas(props.getWidth(), props.getHeight());
    245             setup(props, canvas);
    246             node->setStagingDisplayList(canvas.finishRecording());
    247         }
    248         node->setPropertyFieldsDirty(0xFFFFFFFF);
    249         return node;
    250     }
    251 
    252     static void recordNode(RenderNode& node,
    253             std::function<void(Canvas&)> contentCallback) {
    254        std::unique_ptr<Canvas> canvas(Canvas::create_recording_canvas(
    255             node.stagingProperties().getWidth(), node.stagingProperties().getHeight()));
    256        contentCallback(*canvas.get());
    257        node.setStagingDisplayList(canvas->finishRecording());
    258     }
    259 
    260     static sp<RenderNode> createSkiaNode(int left, int top, int right, int bottom,
    261             std::function<void(RenderProperties& props, skiapipeline::SkiaRecordingCanvas& canvas)> setup,
    262             const char* name = nullptr, skiapipeline::SkiaDisplayList* displayList = nullptr) {
    263     #if HWUI_NULL_GPU
    264         // if RenderNodes are being sync'd/used, device info will be needed, since
    265         // DeviceInfo::maxTextureSize() affects layer property
    266         DeviceInfo::initialize();
    267     #endif
    268         sp<RenderNode> node = new RenderNode();
    269         if (name) {
    270             node->setName(name);
    271         }
    272         RenderProperties& props = node->mutateStagingProperties();
    273         props.setLeftTopRightBottom(left, top, right, bottom);
    274         if (displayList) {
    275             node->setStagingDisplayList(displayList);
    276         }
    277         if (setup) {
    278             std::unique_ptr<skiapipeline::SkiaRecordingCanvas> canvas(
    279                 new skiapipeline::SkiaRecordingCanvas(nullptr,
    280                 props.getWidth(), props.getHeight()));
    281             setup(props, *canvas.get());
    282             node->setStagingDisplayList(canvas->finishRecording());
    283         }
    284         node->setPropertyFieldsDirty(0xFFFFFFFF);
    285         TestUtils::syncHierarchyPropertiesAndDisplayList(node);
    286         return node;
    287     }
    288 
    289     /**
    290      * Forces a sync of a tree of RenderNode, such that every descendant will have its staging
    291      * properties and DisplayList moved to the render copies.
    292      *
    293      * Note: does not check dirtiness bits, so any non-staging DisplayLists will be discarded.
    294      * For this reason, this should generally only be called once on a tree.
    295      */
    296     static void syncHierarchyPropertiesAndDisplayList(sp<RenderNode>& node) {
    297         syncHierarchyPropertiesAndDisplayListImpl(node.get());
    298     }
    299 
    300     static sp<RenderNode>& getSyncedNode(sp<RenderNode>& node) {
    301         syncHierarchyPropertiesAndDisplayList(node);
    302         return node;
    303     }
    304 
    305     typedef std::function<void(renderthread::RenderThread& thread)> RtCallback;
    306 
    307     class TestTask : public renderthread::RenderTask {
    308     public:
    309         explicit TestTask(RtCallback rtCallback)
    310                 : rtCallback(rtCallback) {}
    311         virtual ~TestTask() {}
    312         virtual void run() override;
    313         RtCallback rtCallback;
    314     };
    315 
    316     /**
    317      * NOTE: requires surfaceflinger to run, otherwise this method will wait indefinitely.
    318      */
    319     static void runOnRenderThread(RtCallback rtCallback) {
    320         TestTask task(rtCallback);
    321         renderthread::RenderThread::getInstance().queueAndWait(&task);
    322     }
    323 
    324     static bool isRenderThreadRunning() {
    325         return renderthread::RenderThread::hasInstance();
    326     }
    327 
    328     static SkColor interpolateColor(float fraction, SkColor start, SkColor end);
    329 
    330     static void layoutTextUnscaled(const SkPaint& paint, const char* text,
    331             std::vector<glyph_t>* outGlyphs, std::vector<float>* outPositions,
    332             float* outTotalAdvance, Rect* outBounds);
    333 
    334     static void drawUtf8ToCanvas(Canvas* canvas, const char* text,
    335             const SkPaint& paint, float x, float y);
    336 
    337     static void drawUtf8ToCanvas(Canvas* canvas, const char* text,
    338             const SkPaint& paint, const SkPath& path);
    339 
    340     static std::unique_ptr<uint16_t[]> asciiToUtf16(const char* str);
    341 
    342     class MockFunctor : public Functor {
    343      public:
    344          virtual status_t operator ()(int what, void* data) {
    345              mLastMode = what;
    346              return DrawGlInfo::kStatusDone;
    347          }
    348          int getLastMode() const { return mLastMode; }
    349      private:
    350          int mLastMode = -1;
    351      };
    352 
    353     static SkColor getColor(const sk_sp<SkSurface>& surface, int x, int y);
    354 
    355     static SkRect getClipBounds(const SkCanvas* canvas);
    356     static SkRect getLocalClipBounds(const SkCanvas* canvas);
    357 
    358 private:
    359     static void syncHierarchyPropertiesAndDisplayListImpl(RenderNode* node) {
    360         MarkAndSweepRemoved observer(nullptr);
    361         node->syncProperties();
    362         if (node->mNeedsDisplayListSync) {
    363             node->mNeedsDisplayListSync = false;
    364             node->syncDisplayList(observer, nullptr);
    365         }
    366         auto displayList = node->getDisplayList();
    367         if (displayList) {
    368             for (auto&& childOp : displayList->getChildren()) {
    369                 syncHierarchyPropertiesAndDisplayListImpl(childOp->renderNode);
    370             }
    371         }
    372     }
    373 
    374 }; // class TestUtils
    375 
    376 } /* namespace uirenderer */
    377 } /* namespace android */
    378