/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtest/gtest.h>
#include <BakedOpState.h>
#include <ClipArea.h>
#include <RecordedOp.h>
#include <tests/common/TestUtils.h>
namespace android {
namespace uirenderer {
TEST(ResolvedRenderState, construct) {
LinearAllocator allocator;
Matrix4 translate10x20;
translate10x20.loadTranslate(10, 20, 0);
SkPaint paint;
ClipRect clip(Rect(100, 200));
RectOp recordedOp(Rect(30, 40, 100, 200), translate10x20, &clip, &paint);
{
// recorded with transform, no parent transform
auto parentSnapshot = TestUtils::makeSnapshot(Matrix4::identity(), Rect(100, 200));
ResolvedRenderState state(allocator, *parentSnapshot, recordedOp, false);
EXPECT_MATRIX_APPROX_EQ(state.transform, translate10x20);
EXPECT_EQ(Rect(100, 200), state.clipRect());
EXPECT_EQ(Rect(40, 60, 100, 200), state.clippedBounds); // translated and also clipped
EXPECT_EQ(OpClipSideFlags::Right | OpClipSideFlags::Bottom, state.clipSideFlags);
}
{
// recorded with transform and parent transform
auto parentSnapshot = TestUtils::makeSnapshot(translate10x20, Rect(100, 200));
ResolvedRenderState state(allocator, *parentSnapshot, recordedOp, false);
Matrix4 expectedTranslate;
expectedTranslate.loadTranslate(20, 40, 0);
EXPECT_MATRIX_APPROX_EQ(expectedTranslate, state.transform);
// intersection of parent & transformed child clip
EXPECT_EQ(Rect(10, 20, 100, 200), state.clipRect());
// translated and also clipped
EXPECT_EQ(Rect(50, 80, 100, 200), state.clippedBounds);
EXPECT_EQ(OpClipSideFlags::Right | OpClipSideFlags::Bottom, state.clipSideFlags);
}
}
TEST(ResolvedRenderState, computeLocalSpaceClip) {
LinearAllocator allocator;
Matrix4 translate10x20;
translate10x20.loadTranslate(10, 20, 0);
SkPaint paint;
ClipRect clip(Rect(100, 200));
RectOp recordedOp(Rect(1000, 1000), translate10x20, &clip, &paint);
{
// recorded with transform, no parent transform
auto parentSnapshot = TestUtils::makeSnapshot(Matrix4::identity(), Rect(100, 200));
ResolvedRenderState state(allocator, *parentSnapshot, recordedOp, false);
EXPECT_EQ(Rect(-10, -20, 90, 180), state.computeLocalSpaceClip())
<< "Local clip rect should be 100x200, offset by -10,-20";
}
{
// recorded with transform + parent transform
auto parentSnapshot = TestUtils::makeSnapshot(translate10x20, Rect(100, 200));
ResolvedRenderState state(allocator, *parentSnapshot, recordedOp, false);
EXPECT_EQ(Rect(-10, -20, 80, 160), state.computeLocalSpaceClip())
<< "Local clip rect should be 90x190, offset by -10,-20";
}
}
const float HAIRLINE = 0.0f;
// Note: bounds will be conservative, but not precise for non-hairline
// - use approx bounds checks for these
const float SEMI_HAIRLINE = 0.3f;
struct StrokeTestCase {
float scale;
float strokeWidth;
const std::function<void(const ResolvedRenderState&)> validator;
};
const static StrokeTestCase sStrokeTestCases[] = {
{
1, HAIRLINE, [](const ResolvedRenderState& state) {
EXPECT_EQ(Rect(49.5f, 49.5f, 150.5f, 150.5f), state.clippedBounds);
}
},
{
1, SEMI_HAIRLINE, [](const ResolvedRenderState& state) {
EXPECT_TRUE(state.clippedBounds.contains(49.5f, 49.5f, 150.5f, 150.5f));
EXPECT_TRUE(Rect(49, 49, 151, 151).contains(state.clippedBounds));
}
},
{
1, 20, [](const ResolvedRenderState& state) {
EXPECT_EQ(Rect(40, 40, 160, 160), state.clippedBounds);
}
},
// 3x3 scale:
{
3, HAIRLINE, [](const ResolvedRenderState& state) {
EXPECT_EQ(Rect(149.5f, 149.5f, 200, 200), state.clippedBounds);
EXPECT_EQ(OpClipSideFlags::Right | OpClipSideFlags::Bottom, state.clipSideFlags);
}
},
{
3, SEMI_HAIRLINE, [](const ResolvedRenderState& state) {
EXPECT_TRUE(state.clippedBounds.contains(149.5f, 149.5f, 200, 200));
EXPECT_TRUE(Rect(149, 149, 200, 200).contains(state.clippedBounds));
}
},
{
3, 20, [](const ResolvedRenderState& state) {
EXPECT_TRUE(state.clippedBounds.contains(120, 120, 200, 200));
EXPECT_TRUE(Rect(119, 119, 200, 200).contains(state.clippedBounds));
}
},
// 0.5f x 0.5f scale
{
0.5f, HAIRLINE, [](const ResolvedRenderState& state) {
EXPECT_EQ(Rect(24.5f, 24.5f, 75.5f, 75.5f), state.clippedBounds);
}
},
{
0.5f, SEMI_HAIRLINE, [](const ResolvedRenderState& state) {
EXPECT_TRUE(state.clippedBounds.contains(24.5f, 24.5f, 75.5f, 75.5f));
EXPECT_TRUE(Rect(24, 24, 76, 76).contains(state.clippedBounds));
}
},
{
0.5f, 20, [](const ResolvedRenderState& state) {
EXPECT_TRUE(state.clippedBounds.contains(19.5f, 19.5f, 80.5f, 80.5f));
EXPECT_TRUE(Rect(19, 19, 81, 81).contains(state.clippedBounds));
}
}
};
TEST(ResolvedRenderState, construct_expandForStroke) {
LinearAllocator allocator;
// Loop over table of test cases and verify different combinations of stroke width and transform
for (auto&& testCase : sStrokeTestCases) {
SkPaint strokedPaint;
strokedPaint.setAntiAlias(true);
strokedPaint.setStyle(SkPaint::kStroke_Style);
strokedPaint.setStrokeWidth(testCase.strokeWidth);
ClipRect clip(Rect(200, 200));
RectOp recordedOp(Rect(50, 50, 150, 150),
Matrix4::identity(), &clip, &strokedPaint);
Matrix4 snapshotMatrix;
snapshotMatrix.loadScale(testCase.scale, testCase.scale, 1);
auto parentSnapshot = TestUtils::makeSnapshot(snapshotMatrix, Rect(200, 200));
ResolvedRenderState state(allocator, *parentSnapshot, recordedOp, true);
testCase.validator(state);
}
}
TEST(BakedOpState, tryConstruct) {
Matrix4 translate100x0;
translate100x0.loadTranslate(100, 0, 0);
SkPaint paint;
ClipRect clip(Rect(100, 200));
LinearAllocator allocator;
RectOp successOp(Rect(30, 40, 100, 200), Matrix4::identity(), &clip, &paint);
auto snapshot = TestUtils::makeSnapshot(Matrix4::identity(), Rect(100, 200));
EXPECT_NE(nullptr, BakedOpState::tryConstruct(allocator, *snapshot, successOp))
<< "successOp NOT rejected by clip, so should be constructed";
size_t successAllocSize = allocator.usedSize();
EXPECT_LE(64u, successAllocSize) << "relatively large alloc for non-rejected op";
RectOp rejectOp(Rect(30, 40, 100, 200), translate100x0, &clip, &paint);
EXPECT_EQ(nullptr, BakedOpState::tryConstruct(allocator, *snapshot, rejectOp))
<< "rejectOp rejected by clip, so should not be constructed";
// NOTE: this relies on the clip having already been serialized by the op above
EXPECT_EQ(successAllocSize, allocator.usedSize()) << "no extra allocation used for rejected op";
}
TEST(BakedOpState, tryShadowOpConstruct) {
Matrix4 translate10x20;
translate10x20.loadTranslate(10, 20, 0);
LinearAllocator allocator;
{
auto snapshot = TestUtils::makeSnapshot(translate10x20, Rect()); // Note: empty clip
BakedOpState* bakedState = BakedOpState::tryShadowOpConstruct(allocator, *snapshot, (ShadowOp*)0x1234);
EXPECT_EQ(nullptr, bakedState) << "op should be rejected by clip, so not constructed";
EXPECT_EQ(0u, allocator.usedSize()) << "no serialization, even for clip,"
"since op is quick rejected based on snapshot clip";
}
{
auto snapshot = TestUtils::makeSnapshot(translate10x20, Rect(100, 200));
BakedOpState* bakedState = BakedOpState::tryShadowOpConstruct(allocator, *snapshot, (ShadowOp*)0x1234);
ASSERT_NE(nullptr, bakedState) << "NOT rejected by clip, so op should be constructed";
EXPECT_LE(64u, allocator.usedSize()) << "relatively large alloc for non-rejected op";
EXPECT_MATRIX_APPROX_EQ(translate10x20, bakedState->computedState.transform);
EXPECT_EQ(Rect(100, 200), bakedState->computedState.clippedBounds);
}
}
TEST(BakedOpState, tryStrokeableOpConstruct) {
LinearAllocator allocator;
{
// check regular rejection
SkPaint paint;
paint.setStyle(SkPaint::kStrokeAndFill_Style);
paint.setStrokeWidth(0.0f);
ClipRect clip(Rect(100, 200));
RectOp rejectOp(Rect(100, 200), Matrix4::identity(), &clip, &paint);
auto snapshot = TestUtils::makeSnapshot(Matrix4::identity(), Rect()); // Note: empty clip
auto bakedState = BakedOpState::tryStrokeableOpConstruct(allocator, *snapshot, rejectOp,
BakedOpState::StrokeBehavior::StyleDefined);
EXPECT_EQ(nullptr, bakedState);
EXPECT_GT(8u, allocator.usedSize()); // no significant allocation space used for rejected op
}
{
// check simple unscaled expansion
SkPaint paint;
paint.setStyle(SkPaint::kStrokeAndFill_Style);
paint.setStrokeWidth(10.0f);
ClipRect clip(Rect(200, 200));
RectOp rejectOp(Rect(50, 50, 150, 150), Matrix4::identity(), &clip, &paint);
auto snapshot = TestUtils::makeSnapshot(Matrix4::identity(), Rect(200, 200));
auto bakedState = BakedOpState::tryStrokeableOpConstruct(allocator, *snapshot, rejectOp,
BakedOpState::StrokeBehavior::StyleDefined);
ASSERT_NE(nullptr, bakedState);
EXPECT_EQ(Rect(45, 45, 155, 155), bakedState->computedState.clippedBounds);
EXPECT_EQ(0, bakedState->computedState.clipSideFlags);
}
{
// check simple unscaled expansion, and fill style with stroke forced
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
paint.setStrokeWidth(10.0f);
ClipRect clip(Rect(200, 200));
RectOp rejectOp(Rect(50, 50, 150, 150), Matrix4::identity(), &clip, &paint);
auto snapshot = TestUtils::makeSnapshot(Matrix4::identity(), Rect(200, 200));
auto bakedState = BakedOpState::tryStrokeableOpConstruct(allocator, *snapshot, rejectOp,
BakedOpState::StrokeBehavior::Forced);
ASSERT_NE(nullptr, bakedState);
EXPECT_EQ(Rect(45, 45, 155, 155), bakedState->computedState.clippedBounds);
EXPECT_EQ(0, bakedState->computedState.clipSideFlags);
}
}
} // namespace uirenderer
} // namespace android