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 #include <gtest/gtest.h>
18
19 #include <BakedOpState.h>
20 #include <ClipArea.h>
21 #include <RecordedOp.h>
22 #include <tests/common/TestUtils.h>
23
24 namespace android {
25 namespace uirenderer {
26
TEST(ResolvedRenderState,construct)27 TEST(ResolvedRenderState, construct) {
28 LinearAllocator allocator;
29 Matrix4 translate10x20;
30 translate10x20.loadTranslate(10, 20, 0);
31
32 SkPaint paint;
33 ClipRect clip(Rect(100, 200));
34 RectOp recordedOp(Rect(30, 40, 100, 200), translate10x20, &clip, &paint);
35 {
36 // recorded with transform, no parent transform
37 auto parentSnapshot = TestUtils::makeSnapshot(Matrix4::identity(), Rect(100, 200));
38 ResolvedRenderState state(allocator, *parentSnapshot, recordedOp, false, false);
39 EXPECT_MATRIX_APPROX_EQ(state.transform, translate10x20);
40 EXPECT_EQ(Rect(100, 200), state.clipRect());
41 EXPECT_EQ(Rect(40, 60, 100, 200), state.clippedBounds); // translated and also clipped
42 EXPECT_EQ(OpClipSideFlags::Right | OpClipSideFlags::Bottom, state.clipSideFlags);
43 }
44 {
45 // recorded with transform and parent transform
46 auto parentSnapshot = TestUtils::makeSnapshot(translate10x20, Rect(100, 200));
47 ResolvedRenderState state(allocator, *parentSnapshot, recordedOp, false, false);
48
49 Matrix4 expectedTranslate;
50 expectedTranslate.loadTranslate(20, 40, 0);
51 EXPECT_MATRIX_APPROX_EQ(expectedTranslate, state.transform);
52
53 // intersection of parent & transformed child clip
54 EXPECT_EQ(Rect(10, 20, 100, 200), state.clipRect());
55
56 // translated and also clipped
57 EXPECT_EQ(Rect(50, 80, 100, 200), state.clippedBounds);
58 EXPECT_EQ(OpClipSideFlags::Right | OpClipSideFlags::Bottom, state.clipSideFlags);
59 }
60 }
61
TEST(ResolvedRenderState,computeLocalSpaceClip)62 TEST(ResolvedRenderState, computeLocalSpaceClip) {
63 LinearAllocator allocator;
64 Matrix4 translate10x20;
65 translate10x20.loadTranslate(10, 20, 0);
66
67 SkPaint paint;
68 ClipRect clip(Rect(100, 200));
69 RectOp recordedOp(Rect(1000, 1000), translate10x20, &clip, &paint);
70 {
71 // recorded with transform, no parent transform
72 auto parentSnapshot = TestUtils::makeSnapshot(Matrix4::identity(), Rect(100, 200));
73 ResolvedRenderState state(allocator, *parentSnapshot, recordedOp, false, false);
74 EXPECT_EQ(Rect(-10, -20, 90, 180), state.computeLocalSpaceClip())
75 << "Local clip rect should be 100x200, offset by -10,-20";
76 }
77 {
78 // recorded with transform + parent transform
79 auto parentSnapshot = TestUtils::makeSnapshot(translate10x20, Rect(100, 200));
80 ResolvedRenderState state(allocator, *parentSnapshot, recordedOp, false, false);
81 EXPECT_EQ(Rect(-10, -20, 80, 160), state.computeLocalSpaceClip())
82 << "Local clip rect should be 90x190, offset by -10,-20";
83 }
84 }
85
86 const float HAIRLINE = 0.0f;
87
88 // Note: bounds will be conservative, but not precise for non-hairline
89 // - use approx bounds checks for these
90 const float SEMI_HAIRLINE = 0.3f;
91
92 struct StrokeTestCase {
93 float scale;
94 float strokeWidth;
95 const std::function<void(const ResolvedRenderState&)> validator;
96 };
97
98 const static StrokeTestCase sStrokeTestCases[] = {
99 {
__anon1cc4ac290102() 100 1, HAIRLINE, [](const ResolvedRenderState& state) {
101 EXPECT_EQ(Rect(49.5f, 49.5f, 150.5f, 150.5f), state.clippedBounds);
102 }
103 },
104 {
__anon1cc4ac290202() 105 1, SEMI_HAIRLINE, [](const ResolvedRenderState& state) {
106 EXPECT_TRUE(state.clippedBounds.contains(49.5f, 49.5f, 150.5f, 150.5f));
107 EXPECT_TRUE(Rect(49, 49, 151, 151).contains(state.clippedBounds));
108 }
109 },
110 {
__anon1cc4ac290302() 111 1, 20, [](const ResolvedRenderState& state) {
112 EXPECT_EQ(Rect(40, 40, 160, 160), state.clippedBounds);
113 }
114 },
115
116 // 3x3 scale:
117 {
__anon1cc4ac290402() 118 3, HAIRLINE, [](const ResolvedRenderState& state) {
119 EXPECT_EQ(Rect(149.5f, 149.5f, 200, 200), state.clippedBounds);
120 EXPECT_EQ(OpClipSideFlags::Right | OpClipSideFlags::Bottom, state.clipSideFlags);
121 }
122 },
123 {
__anon1cc4ac290502() 124 3, SEMI_HAIRLINE, [](const ResolvedRenderState& state) {
125 EXPECT_TRUE(state.clippedBounds.contains(149.5f, 149.5f, 200, 200));
126 EXPECT_TRUE(Rect(149, 149, 200, 200).contains(state.clippedBounds));
127 }
128 },
129 {
__anon1cc4ac290602() 130 3, 20, [](const ResolvedRenderState& state) {
131 EXPECT_TRUE(state.clippedBounds.contains(120, 120, 200, 200));
132 EXPECT_TRUE(Rect(119, 119, 200, 200).contains(state.clippedBounds));
133 }
134 },
135
136 // 0.5f x 0.5f scale
137 {
__anon1cc4ac290702() 138 0.5f, HAIRLINE, [](const ResolvedRenderState& state) {
139 EXPECT_EQ(Rect(24.5f, 24.5f, 75.5f, 75.5f), state.clippedBounds);
140 }
141 },
142 {
__anon1cc4ac290802() 143 0.5f, SEMI_HAIRLINE, [](const ResolvedRenderState& state) {
144 EXPECT_TRUE(state.clippedBounds.contains(24.5f, 24.5f, 75.5f, 75.5f));
145 EXPECT_TRUE(Rect(24, 24, 76, 76).contains(state.clippedBounds));
146 }
147 },
148 {
__anon1cc4ac290902() 149 0.5f, 20, [](const ResolvedRenderState& state) {
150 EXPECT_TRUE(state.clippedBounds.contains(19.5f, 19.5f, 80.5f, 80.5f));
151 EXPECT_TRUE(Rect(19, 19, 81, 81).contains(state.clippedBounds));
152 }
153 }
154 };
155
TEST(ResolvedRenderState,construct_expandForStroke)156 TEST(ResolvedRenderState, construct_expandForStroke) {
157 LinearAllocator allocator;
158 // Loop over table of test cases and verify different combinations of stroke width and transform
159 for (auto&& testCase : sStrokeTestCases) {
160 SkPaint strokedPaint;
161 strokedPaint.setAntiAlias(true);
162 strokedPaint.setStyle(SkPaint::kStroke_Style);
163 strokedPaint.setStrokeWidth(testCase.strokeWidth);
164
165 ClipRect clip(Rect(200, 200));
166 RectOp recordedOp(Rect(50, 50, 150, 150),
167 Matrix4::identity(), &clip, &strokedPaint);
168
169 Matrix4 snapshotMatrix;
170 snapshotMatrix.loadScale(testCase.scale, testCase.scale, 1);
171 auto parentSnapshot = TestUtils::makeSnapshot(snapshotMatrix, Rect(200, 200));
172
173 ResolvedRenderState state(allocator, *parentSnapshot, recordedOp, true, false);
174 testCase.validator(state);
175 }
176 }
177
TEST(BakedOpState,tryConstruct)178 TEST(BakedOpState, tryConstruct) {
179 Matrix4 translate100x0;
180 translate100x0.loadTranslate(100, 0, 0);
181
182 SkPaint paint;
183 ClipRect clip(Rect(100, 200));
184
185 LinearAllocator allocator;
186 RectOp successOp(Rect(30, 40, 100, 200), Matrix4::identity(), &clip, &paint);
187 auto snapshot = TestUtils::makeSnapshot(Matrix4::identity(), Rect(100, 200));
188 EXPECT_NE(nullptr, BakedOpState::tryConstruct(allocator, *snapshot, successOp))
189 << "successOp NOT rejected by clip, so should be constructed";
190 size_t successAllocSize = allocator.usedSize();
191 EXPECT_LE(64u, successAllocSize) << "relatively large alloc for non-rejected op";
192
193 RectOp rejectOp(Rect(30, 40, 100, 200), translate100x0, &clip, &paint);
194 EXPECT_EQ(nullptr, BakedOpState::tryConstruct(allocator, *snapshot, rejectOp))
195 << "rejectOp rejected by clip, so should not be constructed";
196
197 // NOTE: this relies on the clip having already been serialized by the op above
198 EXPECT_EQ(successAllocSize, allocator.usedSize()) << "no extra allocation used for rejected op";
199 }
200
TEST(BakedOpState,tryShadowOpConstruct)201 TEST(BakedOpState, tryShadowOpConstruct) {
202 Matrix4 translate10x20;
203 translate10x20.loadTranslate(10, 20, 0);
204
205 LinearAllocator allocator;
206 {
207 auto snapshot = TestUtils::makeSnapshot(translate10x20, Rect()); // Note: empty clip
208 BakedOpState* bakedState = BakedOpState::tryShadowOpConstruct(allocator, *snapshot, (ShadowOp*)0x1234);
209
210 EXPECT_EQ(nullptr, bakedState) << "op should be rejected by clip, so not constructed";
211 EXPECT_EQ(0u, allocator.usedSize()) << "no serialization, even for clip,"
212 "since op is quick rejected based on snapshot clip";
213 }
214 {
215 auto snapshot = TestUtils::makeSnapshot(translate10x20, Rect(100, 200));
216 BakedOpState* bakedState = BakedOpState::tryShadowOpConstruct(allocator, *snapshot, (ShadowOp*)0x1234);
217
218 ASSERT_NE(nullptr, bakedState) << "NOT rejected by clip, so op should be constructed";
219 EXPECT_LE(64u, allocator.usedSize()) << "relatively large alloc for non-rejected op";
220
221 EXPECT_MATRIX_APPROX_EQ(translate10x20, bakedState->computedState.transform);
222 EXPECT_EQ(Rect(100, 200), bakedState->computedState.clippedBounds);
223 }
224 }
225
TEST(BakedOpState,tryStrokeableOpConstruct)226 TEST(BakedOpState, tryStrokeableOpConstruct) {
227 LinearAllocator allocator;
228 {
229 // check regular rejection
230 SkPaint paint;
231 paint.setStyle(SkPaint::kStrokeAndFill_Style);
232 paint.setStrokeWidth(0.0f);
233 ClipRect clip(Rect(100, 200));
234 RectOp rejectOp(Rect(100, 200), Matrix4::identity(), &clip, &paint);
235 auto snapshot = TestUtils::makeSnapshot(Matrix4::identity(), Rect()); // Note: empty clip
236 auto bakedState = BakedOpState::tryStrokeableOpConstruct(allocator, *snapshot, rejectOp,
237 BakedOpState::StrokeBehavior::StyleDefined, false);
238
239 EXPECT_EQ(nullptr, bakedState);
240 EXPECT_GT(8u, allocator.usedSize()); // no significant allocation space used for rejected op
241 }
242 {
243 // check simple unscaled expansion
244 SkPaint paint;
245 paint.setStyle(SkPaint::kStrokeAndFill_Style);
246 paint.setStrokeWidth(10.0f);
247 ClipRect clip(Rect(200, 200));
248 RectOp rejectOp(Rect(50, 50, 150, 150), Matrix4::identity(), &clip, &paint);
249 auto snapshot = TestUtils::makeSnapshot(Matrix4::identity(), Rect(200, 200));
250 auto bakedState = BakedOpState::tryStrokeableOpConstruct(allocator, *snapshot, rejectOp,
251 BakedOpState::StrokeBehavior::StyleDefined, false);
252
253 ASSERT_NE(nullptr, bakedState);
254 EXPECT_EQ(Rect(45, 45, 155, 155), bakedState->computedState.clippedBounds);
255 EXPECT_EQ(0, bakedState->computedState.clipSideFlags);
256 }
257 {
258 // check simple unscaled expansion, and fill style with stroke forced
259 SkPaint paint;
260 paint.setStyle(SkPaint::kFill_Style);
261 paint.setStrokeWidth(10.0f);
262 ClipRect clip(Rect(200, 200));
263 RectOp rejectOp(Rect(50, 50, 150, 150), Matrix4::identity(), &clip, &paint);
264 auto snapshot = TestUtils::makeSnapshot(Matrix4::identity(), Rect(200, 200));
265 auto bakedState = BakedOpState::tryStrokeableOpConstruct(allocator, *snapshot, rejectOp,
266 BakedOpState::StrokeBehavior::Forced, false);
267
268 ASSERT_NE(nullptr, bakedState);
269 EXPECT_EQ(Rect(45, 45, 155, 155), bakedState->computedState.clippedBounds);
270 EXPECT_EQ(0, bakedState->computedState.clipSideFlags);
271 }
272 }
273
274 } // namespace uirenderer
275 } // namespace android
276