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1 /*
2  * Copyright (C) 2016 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 #include <gtest/gtest.h>
18 
19 #include <BakedOpDispatcher.h>
20 #include <BakedOpRenderer.h>
21 #include <FrameBuilder.h>
22 #include <LayerUpdateQueue.h>
23 #include <hwui/Paint.h>
24 #include <RecordedOp.h>
25 #include <tests/common/TestUtils.h>
26 #include <utils/Color.h>
27 
28 #include <SkBlurDrawLooper.h>
29 #include <SkDashPathEffect.h>
30 #include <SkPath.h>
31 
32 using namespace android::uirenderer;
33 
34 static BakedOpRenderer::LightInfo sLightInfo;
35 const FrameBuilder::LightGeometry sLightGeometry = { {100, 100, 100}, 50};
36 
37 class ValidatingBakedOpRenderer : public BakedOpRenderer {
38 public:
ValidatingBakedOpRenderer(RenderState & renderState,std::function<void (const Glop & glop)> validator)39     ValidatingBakedOpRenderer(RenderState& renderState, std::function<void(const Glop& glop)> validator)
40             : BakedOpRenderer(Caches::getInstance(), renderState, true, false, sLightInfo)
41             , mValidator(validator) {
42         mGlopReceiver = ValidatingGlopReceiver;
43     }
44 private:
ValidatingGlopReceiver(BakedOpRenderer & renderer,const Rect * dirtyBounds,const ClipBase * clip,const Glop & glop)45     static void ValidatingGlopReceiver(BakedOpRenderer& renderer, const Rect* dirtyBounds,
46             const ClipBase* clip, const Glop& glop) {
47 
48         auto vbor = reinterpret_cast<ValidatingBakedOpRenderer*>(&renderer);
49         vbor->mValidator(glop);
50     }
51     std::function<void(const Glop& glop)> mValidator;
52 };
53 
54 typedef void (*TestBakedOpReceiver)(BakedOpRenderer&, const BakedOpState&);
55 
testUnmergedGlopDispatch(renderthread::RenderThread & renderThread,RecordedOp * op,std::function<void (const Glop & glop)> glopVerifier,int expectedGlopCount=1)56 static void testUnmergedGlopDispatch(renderthread::RenderThread& renderThread, RecordedOp* op,
57         std::function<void(const Glop& glop)> glopVerifier, int expectedGlopCount = 1) {
58     // Create op, and wrap with basic state.
59     LinearAllocator allocator;
60     auto snapshot = TestUtils::makeSnapshot(Matrix4::identity(), Rect(100, 100));
61     auto state = BakedOpState::tryConstruct(allocator, *snapshot, *op);
62     ASSERT_NE(nullptr, state);
63 
64     int glopCount = 0;
65     auto glopReceiver = [&glopVerifier, &glopCount, &expectedGlopCount] (const Glop& glop) {
66         ASSERT_LE(glopCount++, expectedGlopCount) << expectedGlopCount << "glop(s) expected";
67         glopVerifier(glop);
68     };
69     ValidatingBakedOpRenderer renderer(renderThread.renderState(), glopReceiver);
70 
71     // Dispatch based on op type created, similar to Frame/LayerBuilder dispatch behavior
72 #define X(Type) \
73         [](BakedOpRenderer& renderer, const BakedOpState& state) { \
74             BakedOpDispatcher::on##Type(renderer, static_cast<const Type&>(*(state.op)), state); \
75         },
76     static TestBakedOpReceiver unmergedReceivers[] = BUILD_RENDERABLE_OP_LUT(X);
77 #undef X
78     unmergedReceivers[op->opId](renderer, *state);
79     ASSERT_EQ(expectedGlopCount, glopCount) << "Exactly " << expectedGlopCount
80             << "Glop(s) expected";
81 }
82 
RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpDispatcher,pathTexture_positionOvalArc)83 RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpDispatcher, pathTexture_positionOvalArc) {
84     SkPaint strokePaint;
85     strokePaint.setStyle(SkPaint::kStroke_Style);
86     strokePaint.setStrokeWidth(4);
87 
88     float intervals[] = {1.0f, 1.0f};
89     strokePaint.setPathEffect(SkDashPathEffect::Make(intervals, 2, 0));
90 
91     auto textureGlopVerifier = [] (const Glop& glop) {
92         // validate glop produced by renderPathTexture (so texture, unit quad)
93         auto texture = glop.fill.texture.texture;
94         ASSERT_NE(nullptr, texture);
95         float expectedOffset = floor(4 * 1.5f + 0.5f);
96         EXPECT_EQ(expectedOffset, reinterpret_cast<PathTexture*>(texture)->offset)
97                 << "Should see conservative offset from PathCache::computeBounds";
98         Rect expectedBounds(10, 15, 20, 25);
99         expectedBounds.outset(expectedOffset);
100 
101         Matrix4 expectedModelView;
102         expectedModelView.loadTranslate(10 - expectedOffset, 15 - expectedOffset, 0);
103         expectedModelView.scale(10 + 2 * expectedOffset, 10 + 2 * expectedOffset, 1);
104         EXPECT_EQ(expectedModelView, glop.transform.modelView)
105                 << "X and Y offsets, and scale both applied to model view";
106     };
107 
108     // Arc and Oval will render functionally the same glop, differing only in texture content
109     ArcOp arcOp(Rect(10, 15, 20, 25), Matrix4::identity(), nullptr, &strokePaint, 0, 270, true);
110     testUnmergedGlopDispatch(renderThread, &arcOp, textureGlopVerifier);
111 
112     OvalOp ovalOp(Rect(10, 15, 20, 25), Matrix4::identity(), nullptr, &strokePaint);
113     testUnmergedGlopDispatch(renderThread, &ovalOp, textureGlopVerifier);
114 }
115 
RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpDispatcher,onLayerOp_bufferless)116 RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpDispatcher, onLayerOp_bufferless) {
117     SkPaint layerPaint;
118     layerPaint.setAlpha(128);
119     OffscreenBuffer* buffer = nullptr; // no providing a buffer, should hit rect fallback case
120     LayerOp op(Rect(10, 10), Matrix4::identity(), nullptr, &layerPaint, &buffer);
121     testUnmergedGlopDispatch(renderThread, &op, [] (const Glop& glop) {
122         ADD_FAILURE() << "Nothing should happen";
123     }, 0);
124 }
125 
getGlopTransformFlags(renderthread::RenderThread & renderThread,RecordedOp * op)126 static int getGlopTransformFlags(renderthread::RenderThread& renderThread, RecordedOp* op) {
127     int result = 0;
128     testUnmergedGlopDispatch(renderThread, op, [&result] (const Glop& glop) {
129         result = glop.transform.transformFlags;
130     });
131     return result;
132 }
133 
RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpDispatcher,offsetFlags)134 RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpDispatcher, offsetFlags) {
135     Rect bounds(10, 15, 20, 25);
136     SkPaint paint;
137     SkPaint aaPaint;
138     aaPaint.setAntiAlias(true);
139 
140     RoundRectOp roundRectOp(bounds, Matrix4::identity(), nullptr, &paint, 0, 270);
141     EXPECT_EQ(TransformFlags::None, getGlopTransformFlags(renderThread, &roundRectOp))
142             << "Expect no offset for round rect op.";
143 
144     const float points[4] = {0.5, 0.5, 1.0, 1.0};
145     PointsOp antiAliasedPointsOp(bounds, Matrix4::identity(), nullptr, &aaPaint, points, 4);
146     EXPECT_EQ(TransformFlags::None, getGlopTransformFlags(renderThread, &antiAliasedPointsOp))
147                 << "Expect no offset for AA points.";
148     PointsOp pointsOp(bounds, Matrix4::identity(), nullptr, &paint, points, 4);
149     EXPECT_EQ(TransformFlags::OffsetByFudgeFactor, getGlopTransformFlags(renderThread, &pointsOp))
150             << "Expect an offset for non-AA points.";
151 
152     LinesOp antiAliasedLinesOp(bounds, Matrix4::identity(), nullptr, &aaPaint, points, 4);
153     EXPECT_EQ(TransformFlags::None, getGlopTransformFlags(renderThread, &antiAliasedLinesOp))
154             << "Expect no offset for AA lines.";
155     LinesOp linesOp(bounds, Matrix4::identity(), nullptr, &paint, points, 4);
156     EXPECT_EQ(TransformFlags::OffsetByFudgeFactor, getGlopTransformFlags(renderThread, &linesOp))
157             << "Expect an offset for non-AA lines.";
158 }
159 
RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpDispatcher,renderTextWithShadow)160 RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpDispatcher, renderTextWithShadow) {
161     auto node = TestUtils::createNode<RecordingCanvas>(0, 0, 100, 100,
162             [](RenderProperties& props, RecordingCanvas& canvas) {
163 
164         android::Paint shadowPaint;
165         shadowPaint.setColor(SK_ColorRED);
166 
167         SkScalar sigma = Blur::convertRadiusToSigma(5);
168         shadowPaint.setLooper(SkBlurDrawLooper::Make(SK_ColorWHITE, sigma, 3, 3));
169 
170         TestUtils::drawUtf8ToCanvas(&canvas, "A", shadowPaint, 25, 25);
171         TestUtils::drawUtf8ToCanvas(&canvas, "B", shadowPaint, 50, 50);
172     });
173 
174     int  glopCount = 0;
175     auto glopReceiver = [&glopCount] (const Glop& glop) {
176         if (glopCount < 2) {
177             // two white shadows
178             EXPECT_EQ(FloatColor({1, 1, 1, 1}), glop.fill.color);
179         } else {
180             // two text draws merged into one, drawn after both shadows
181             EXPECT_EQ(FloatColor({1, 0, 0, 1}), glop.fill.color);
182         }
183         glopCount++;
184     };
185 
186     ValidatingBakedOpRenderer renderer(renderThread.renderState(), glopReceiver);
187 
188     FrameBuilder frameBuilder(SkRect::MakeWH(100, 100), 100, 100,
189             sLightGeometry, Caches::getInstance());
190     frameBuilder.deferRenderNode(*TestUtils::getSyncedNode(node));
191 
192     frameBuilder.replayBakedOps<BakedOpDispatcher>(renderer);
193     ASSERT_EQ(3, glopCount) << "Exactly three glops expected";
194 }
195 
validateLayerDraw(renderthread::RenderThread & renderThread,std::function<void (const Glop & glop)> validator)196 static void validateLayerDraw(renderthread::RenderThread& renderThread,
197         std::function<void(const Glop& glop)> validator) {
198     auto node = TestUtils::createNode<RecordingCanvas>(0, 0, 100, 100,
199             [](RenderProperties& props, RecordingCanvas& canvas) {
200         props.mutateLayerProperties().setType(LayerType::RenderLayer);
201 
202         // provide different blend mode, so decoration draws contrast
203         props.mutateLayerProperties().setXferMode(SkBlendMode::kSrc);
204         canvas.drawColor(Color::Black, SkBlendMode::kSrcOver);
205     });
206     OffscreenBuffer** layerHandle = node->getLayerHandle();
207 
208     auto syncedNode = TestUtils::getSyncedNode(node);
209 
210     // create RenderNode's layer here in same way prepareTree would
211     OffscreenBuffer layer(renderThread.renderState(), Caches::getInstance(), 100, 100);
212     *layerHandle = &layer;
213     {
214         LayerUpdateQueue layerUpdateQueue; // Note: enqueue damage post-sync, so bounds are valid
215         layerUpdateQueue.enqueueLayerWithDamage(node.get(), Rect(0, 0, 100, 100));
216 
217         ValidatingBakedOpRenderer renderer(renderThread.renderState(), validator);
218         FrameBuilder frameBuilder(SkRect::MakeWH(100, 100), 100, 100,
219                 sLightGeometry, Caches::getInstance());
220         frameBuilder.deferLayers(layerUpdateQueue);
221         frameBuilder.deferRenderNode(*syncedNode);
222         frameBuilder.replayBakedOps<BakedOpDispatcher>(renderer);
223     }
224 
225     // clean up layer pointer, so we can safely destruct RenderNode
226     *layerHandle = nullptr;
227 }
228 
makeFloatColor(uint32_t color)229 static FloatColor makeFloatColor(uint32_t color) {
230     FloatColor c;
231     c.set(color);
232     return c;
233 }
234 
RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpDispatcher,layerUpdateProperties)235 RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpDispatcher, layerUpdateProperties) {
236     for (bool debugOverdraw : { false, true }) {
237         for (bool debugLayersUpdates : { false, true }) {
238             ScopedProperty<bool> ovdProp(Properties::debugOverdraw, debugOverdraw);
239             ScopedProperty<bool> lupProp(Properties::debugLayersUpdates, debugLayersUpdates);
240 
241             int glopCount = 0;
242             validateLayerDraw(renderThread, [&glopCount, &debugLayersUpdates](const Glop& glop) {
243                 if (glopCount == 0) {
244                     // 0 - Black layer fill
245                     EXPECT_TRUE(glop.fill.colorEnabled);
246                     EXPECT_EQ(makeFloatColor(Color::Black), glop.fill.color);
247                 } else if (glopCount == 1) {
248                     // 1 - Uncolored (textured) layer draw
249                     EXPECT_FALSE(glop.fill.colorEnabled);
250                 } else if (glopCount == 2) {
251                     // 2 - layer overlay, if present
252                     EXPECT_TRUE(glop.fill.colorEnabled);
253                     // blend srcover, different from that of layer
254                     EXPECT_EQ(GLenum(GL_ONE), glop.blend.src);
255                     EXPECT_EQ(GLenum(GL_ONE_MINUS_SRC_ALPHA), glop.blend.dst);
256                     EXPECT_EQ(makeFloatColor(debugLayersUpdates ? 0x7f00ff00 : 0),
257                             glop.fill.color) << "Should be transparent green if debugLayersUpdates";
258                 } else if (glopCount < 7) {
259                     // 3 - 6 - overdraw indicator overlays, if present
260                     EXPECT_TRUE(glop.fill.colorEnabled);
261                     uint32_t expectedColor = Caches::getInstance().getOverdrawColor(glopCount - 2);
262                     ASSERT_EQ(makeFloatColor(expectedColor), glop.fill.color);
263                 } else {
264                     ADD_FAILURE() << "Too many glops observed";
265                 }
266                 glopCount++;
267             });
268             int expectedCount = 2;
269             if (debugLayersUpdates || debugOverdraw) expectedCount++;
270             if (debugOverdraw) expectedCount += 4;
271             EXPECT_EQ(expectedCount, glopCount);
272         }
273     }
274 }
275 
RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpDispatcher,pathTextureSnapping)276 RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpDispatcher, pathTextureSnapping) {
277     Rect bounds(10, 15, 20, 25);
278     SkPaint paint;
279     SkPath path;
280     path.addRect(SkRect::MakeXYWH(1.5, 3.8, 100, 90));
281     PathOp op(bounds, Matrix4::identity(), nullptr, &paint, &path);
282     testUnmergedGlopDispatch(renderThread, &op, [] (const Glop& glop) {
283         auto texture = glop.fill.texture.texture;
284         ASSERT_NE(nullptr, texture);
285         EXPECT_EQ(1, reinterpret_cast<PathTexture*>(texture)->left);
286         EXPECT_EQ(3, reinterpret_cast<PathTexture*>(texture)->top);
287     });
288 }
289