| Flutter Impeller |

filter_input_unittests.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <memory>
6 #include "flutter/testing/testing.h"
7 #include "gtest/gtest.h"
8 #include "impeller/entity/contents/filters/color_filter_contents.h"
9 #include "impeller/entity/contents/filters/inputs/filter_input.h"
10 #include "impeller/entity/entity.h"
11 #include "impeller/geometry/color.h"
12 #include "impeller/geometry/geometry_asserts.h"
13
14 namespace impeller {
15 namespace testing {
16
17 TEST(FilterInputTest, CanSetLocalTransformForTexture) {
18 std::shared_ptr<Texture> texture = nullptr;
19 auto input =
20 FilterInput::Make(texture, Matrix::MakeTranslation({1.0, 0.0, 0.0}));
21 Entity e;
22 e.SetTransform(Matrix::MakeTranslation({0.0, 2.0, 0.0}));
23
24 ASSERT_MATRIX_NEAR(input->GetLocalTransform(e),
25 Matrix::MakeTranslation({1.0, 0.0, 0.0}));
26 ASSERT_MATRIX_NEAR(input->GetTransform(e),
27 Matrix::MakeTranslation({1.0, 2.0, 0.0}));
28 }
29
30 TEST(FilterInputTest, IsLeaf) {
31 std::shared_ptr<FilterContents> leaf =
32 ColorFilterContents::MakeBlend(BlendMode::kSource, {});
33 ASSERT_TRUE(leaf->IsLeaf());
34
35 auto base = ColorFilterContents::MakeMatrixFilter(FilterInput::Make(leaf),
36 Matrix(), {});
37
38 ASSERT_TRUE(leaf->IsLeaf());
39 ASSERT_FALSE(base->IsLeaf());
40 }
41
42 TEST(FilterInputTest, SetCoverageInputs) {
43 std::shared_ptr<FilterContents> leaf =
44 ColorFilterContents::MakeBlend(BlendMode::kSource, {});
45 ASSERT_TRUE(leaf->IsLeaf());
46
47 auto base = ColorFilterContents::MakeMatrixFilter(FilterInput::Make(leaf),
48 Matrix(), {});
49
50 {
51 auto result = base->GetCoverage({});
52 ASSERT_FALSE(result.has_value());
53 }
54
55 auto coverage_rect = Rect::MakeLTRB(100, 100, 200, 200);
56 base->SetLeafInputs(FilterInput::Make({coverage_rect}));
57
58 {
59 auto result = base->GetCoverage({});
60 ASSERT_TRUE(result.has_value());
61 // NOLINTNEXTLINE(bugprone-unchecked-optional-access)
62 ASSERT_RECT_NEAR(result.value(), coverage_rect);
63 }
64 }
65
66 } // namespace testing
67 } // namespace impeller
geometry_asserts.h
entity.h
impeller::FilterInput::Make
static FilterInput::Ref Make(Variant input, bool msaa_enabled=true)
Definition: filter_input.cc:19
impeller::BlendMode::kSource
@ kSource
impeller::Matrix::MakeTranslation
static constexpr Matrix MakeTranslation(const Vector3 &t)
Definition: matrix.h:95
ASSERT_RECT_NEAR
#define ASSERT_RECT_NEAR(a, b)
Definition: geometry_asserts.h:191
impeller::Entity
Definition: entity.h:20
filter_input.h
ASSERT_MATRIX_NEAR
#define ASSERT_MATRIX_NEAR(a, b)
Definition: geometry_asserts.h:189
color_filter_contents.h
impeller::Entity::SetTransform
void SetTransform(const Matrix &transform)
Set the global transform matrix for this Entity.
Definition: entity.cc:63
impeller::FilterContents::MakeMatrixFilter
static std::shared_ptr< FilterContents > MakeMatrixFilter(FilterInput::Ref input, const Matrix &matrix, const SamplerDescriptor &desc)
Definition: filter_contents.cc:86
color.h
impeller::TRect< Scalar >::MakeLTRB
constexpr static TRect MakeLTRB(Type left, Type top, Type right, Type bottom)
Definition: rect.h:129
impeller::ColorFilterContents::MakeBlend
static std::shared_ptr< ColorFilterContents > MakeBlend(BlendMode blend_mode, FilterInput::Vector inputs, std::optional< Color > foreground_color=std::nullopt)
the [inputs] are expected to be in the order of dst, src.
Definition: color_filter_contents.cc:17
impeller
Definition: allocation.cc:12
impeller::testing::TEST
TEST(AllocationSizeTest, CanCreateTypedAllocations)
Definition: allocation_size_unittests.cc:10
impeller::Matrix
A 4x4 matrix using column-major storage.
Definition: matrix.h:37