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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/viz/common/resources/shared_image_format_utils.h"
#include <vector>
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkColorType.h"
namespace viz {
namespace {
class SharedImageFormatUtilsTest : public testing::Test {
public:
void TestToClosestSkColorType(std::vector<SkColorType> expected_types,
SharedImageFormat format) {
ASSERT_EQ(format.NumberOfPlanes(), static_cast<int>(expected_types.size()));
for (int plane_index = 0; plane_index < format.NumberOfPlanes();
plane_index++) {
EXPECT_EQ(expected_types[plane_index],
ToClosestSkColorType(format, plane_index));
}
}
};
TEST_F(SharedImageFormatUtilsTest, ToClosestSkColorTypeMultiPlaneNV12) {
// 8-bit 4:2:0 Y_UV biplanar format (YUV_420_BIPLANAR)
SharedImageFormat format = MultiPlaneFormat::kNV12;
std::vector<SkColorType> expected_types = {kAlpha_8_SkColorType,
kR8G8_unorm_SkColorType};
TestToClosestSkColorType(expected_types, format);
}
TEST_F(SharedImageFormatUtilsTest, ToClosestSkColorTypeMultiPlaneNV16) {
// 8-bit 4:2:2 Y_UV biplanar format (YUV_422_BIPLANAR)
SharedImageFormat format = MultiPlaneFormat::kNV16;
std::vector<SkColorType> expected_types = {kAlpha_8_SkColorType,
kR8G8_unorm_SkColorType};
TestToClosestSkColorType(expected_types, format);
}
TEST_F(SharedImageFormatUtilsTest, ToClosestSkColorTypeMultiPlaneNV24) {
// 8-bit 4:4:4 Y_UV biplanar format (YUV_444_BIPLANAR)
SharedImageFormat format = MultiPlaneFormat::kNV24;
std::vector<SkColorType> expected_types = {kAlpha_8_SkColorType,
kR8G8_unorm_SkColorType};
TestToClosestSkColorType(expected_types, format);
}
TEST_F(SharedImageFormatUtilsTest, ToClosestSkColorTypeMultiPlaneYVU) {
// 8-bit 4:2:0 Y_V_U format (YVU_420)
SharedImageFormat format = MultiPlaneFormat::kYV12;
std::vector<SkColorType> expected_types = {
kAlpha_8_SkColorType, kAlpha_8_SkColorType, kAlpha_8_SkColorType};
TestToClosestSkColorType(expected_types, format);
}
TEST_F(SharedImageFormatUtilsTest, ToClosestSkColorTypeMultiPlaneI420) {
// 8-bit 4:2:0 Y_U_V format (I420)
SharedImageFormat format = MultiPlaneFormat::kI420;
std::vector<SkColorType> expected_types = {
kAlpha_8_SkColorType, kAlpha_8_SkColorType, kAlpha_8_SkColorType};
TestToClosestSkColorType(expected_types, format);
}
TEST_F(SharedImageFormatUtilsTest, ToClosestSkColorTypeMultiPlaneP010) {
// 10-bit 4:2:0 Y_UV biplanar format (P010)
SharedImageFormat format = MultiPlaneFormat::kP010;
std::vector<SkColorType> expected_types = {kA16_unorm_SkColorType,
kR16G16_unorm_SkColorType};
TestToClosestSkColorType(expected_types, format);
}
TEST_F(SharedImageFormatUtilsTest, ToClosestSkColorTypeMultiPlaneP210) {
// 10-bit 4:2:2 Y_UV biplanar format (P210)
SharedImageFormat format = MultiPlaneFormat::kP210;
std::vector<SkColorType> expected_types = {kA16_unorm_SkColorType,
kR16G16_unorm_SkColorType};
TestToClosestSkColorType(expected_types, format);
}
TEST_F(SharedImageFormatUtilsTest, ToClosestSkColorTypeMultiPlaneP410) {
// 10-bit 4:4:4 Y_UV biplanar format (P410)
SharedImageFormat format = MultiPlaneFormat::kP410;
std::vector<SkColorType> expected_types = {kA16_unorm_SkColorType,
kR16G16_unorm_SkColorType};
TestToClosestSkColorType(expected_types, format);
}
TEST_F(SharedImageFormatUtilsTest,
ToClosestSkColorTypeMultiPlaneYUVBiplanar16bit) {
// 16-bit 4:2:0 Y_UV biplanar format
SharedImageFormat format =
SharedImageFormat::MultiPlane(SharedImageFormat::PlaneConfig::kY_UV,
SharedImageFormat::Subsampling::k420,
SharedImageFormat::ChannelFormat::k16);
std::vector<SkColorType> expected_types = {kA16_unorm_SkColorType,
kR16G16_unorm_SkColorType};
TestToClosestSkColorType(expected_types, format);
}
TEST_F(SharedImageFormatUtilsTest,
ToClosestSkColorTypeMultiPlaneYUVATriplanar) {
// 16-bit float 4:2:0 Y_UV_A triplanar format
SharedImageFormat format =
SharedImageFormat::MultiPlane(SharedImageFormat::PlaneConfig::kY_UV_A,
SharedImageFormat::Subsampling::k420,
SharedImageFormat::ChannelFormat::k16F);
std::vector<SkColorType> expected_types = {kA16_float_SkColorType,
kR16G16_float_SkColorType,
kA16_float_SkColorType};
TestToClosestSkColorType(expected_types, format);
}
TEST_F(SharedImageFormatUtilsTest, ToClosestSkColorTypeSinglePlaneRGBX) {
// Single planar RGBX_8888
SharedImageFormat format = SinglePlaneFormat::kRGBX_8888;
std::vector<SkColorType> expected_types = {kRGB_888x_SkColorType};
TestToClosestSkColorType(expected_types, format);
}
TEST_F(SharedImageFormatUtilsTest, ToClosestSkColorTypeSinglePlaneAlpha) {
// Single planar ALPHA_8
SharedImageFormat format = SinglePlaneFormat::kALPHA_8;
std::vector<SkColorType> expected_types = {kAlpha_8_SkColorType};
TestToClosestSkColorType(expected_types, format);
}
TEST_F(SharedImageFormatUtilsTest, ToClosestSkColorTypeSoftwareBGRA) {
// Software Compositing.
// Usually it is single planar BGRA_8888
SharedImageFormat format = SinglePlaneFormat::kBGRA_8888;
ASSERT_EQ(format.NumberOfPlanes(), 1);
EXPECT_EQ(kBGRA_8888_SkColorType, ToClosestSkColorType(format));
}
} // namespace
} // namespace viz
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