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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.h"
#include <limits>
#include <vector>
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace viz {
namespace {
constexpr gfx::Size kDefaultSize(100, 100);
constexpr gfx::Size kOddSize(9, 9);
class SharedImageFormatTest : public testing::Test {
public:
void TestNumChannelsInPlane(std::vector<int> expected_channels,
SharedImageFormat format) {
ASSERT_EQ(format.NumberOfPlanes(),
static_cast<int>(expected_channels.size()));
for (int plane_index = 0; plane_index < format.NumberOfPlanes();
plane_index++) {
EXPECT_TRUE(format.IsValidPlaneIndex(plane_index));
EXPECT_EQ(expected_channels[plane_index],
format.NumChannelsInPlane(plane_index));
}
}
};
TEST_F(SharedImageFormatTest, MultiPlaneNV12) {
// 8-bit 4:2:0 Y_UV biplanar format (YUV_420_BIPLANAR)
SharedImageFormat format = MultiPlaneFormat::kNV12;
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 2};
TestNumChannelsInPlane(expected_channels, format);
// Y: 100 bytes per row (1 channel * 1 byte * 100 width) * 100 rows = 10000
// bytes.
// UV: 100 bytes per row (2 channel * 1 byte * 50 width) * 50 rows = 5000
// bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 15000u);
// Y: 9 bytes per row (1 channel * 1 byte * 9 width) * 9 rows = 81 bytes.
// UV: 10 bytes per row (2 channels * 1 byte * 5 width) * 5 rows = 50 bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 131u);
}
TEST_F(SharedImageFormatTest, MultiPlaneNV16) {
// 8-bit 4:2:2 Y_UV biplanar format (YUV_422_BIPLANAR)
SharedImageFormat format = MultiPlaneFormat::kNV16;
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 2};
TestNumChannelsInPlane(expected_channels, format);
// Y: 100 bytes per row (1 channel * 1 byte * 100 width) * 100 rows = 10000
// bytes.
// UV: 100 bytes per row (2 channel * 1 byte * 50 width) * 100 rows = 10000
// bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 20000u);
// Y: 9 bytes per row (1 channel * 1 byte * 9 width) * 9 rows = 81 bytes.
// UV: 10 bytes per row (2 channels * 1 byte * 5 width) * 9 rows = 90 bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 171u);
}
TEST_F(SharedImageFormatTest, MultiPlaneNV24) {
// 8-bit 4:4:4 Y_UV biplanar format (YUV_444_BIPLANAR)
SharedImageFormat format = MultiPlaneFormat::kNV24;
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 2};
TestNumChannelsInPlane(expected_channels, format);
// Y: 100 bytes per row (1 channel * 1 byte * 100 width) * 100 rows = 10000
// bytes.
// UV: 200 bytes per row (2 channel * 1 byte * 100 width) * 100 rows = 20000
// bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 30000u);
// Y: 9 bytes per row (1 channel * 1 byte * 9 width) * 9 rows = 81 bytes.
// UV: 20 bytes per row (2 channels * 1 byte * 9 width) * 9 rows = 162
// bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 243u);
}
TEST_F(SharedImageFormatTest, MultiPlaneYVU) {
// 8-bit 4:2:0 Y_V_U format (YVU_420)
SharedImageFormat format = MultiPlaneFormat::kYV12;
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 1, 1};
TestNumChannelsInPlane(expected_channels, format);
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 15000u);
// Y: 9 bytes per row (1 channel * 1 byte * 9 width) * 9 rows = 81 bytes.
// V: 5 bytes per row (1 channels * 1 byte * 5 width) * 5 rows = 25 bytes.
// U: 5 bytes per row (1 channels * 1 byte * 5 width) * 5 rows = 25 bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 131u);
}
TEST_F(SharedImageFormatTest, MultiPlaneI420) {
// 8-bit 4:2:0 Y_U_V format (I420)
SharedImageFormat format = MultiPlaneFormat::kI420;
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 1, 1};
TestNumChannelsInPlane(expected_channels, format);
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 15000u);
// Y: 9 bytes per row (1 channel * 1 byte * 9 width) * 9 rows = 81 bytes.
// U: 5 bytes per row (1 channels * 1 byte * 5 width) * 5 rows = 25 bytes.
// V: 5 bytes per row (1 channels * 1 byte * 5 width) * 5 rows = 25 bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 131u);
}
TEST_F(SharedImageFormatTest, MultiPlaneI422) {
// 8-bit 4:2:2 Y_U_V format (I422)
SharedImageFormat format =
SharedImageFormat::MultiPlane(SharedImageFormat::PlaneConfig::kY_U_V,
SharedImageFormat::Subsampling::k422,
SharedImageFormat::ChannelFormat::k8);
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 1, 1};
TestNumChannelsInPlane(expected_channels, format);
// Y: 100 bytes per row (1 channel * 1 byte * 100 width) * 100 rows = 10000
// bytes.
// U: 50 bytes per row (1 channel * 1 byte * 50 width) * 100 rows = 5000
// bytes.
// V: 50 bytes per row (1 channel * 1 byte * 50 width) * 100 rows = 5000
// bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 20000u);
// Y: 9 bytes per row (1 channel * 1 byte * 9 width) * 9 rows = 81 bytes.
// U: 5 bytes per row (1 channel * 1 byte * 5 width) * 9 rows = 45 bytes.
// V: 5 bytes per row (1 channel * 1 byte * 5 width) * 9 rows = 45 bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 171u);
}
TEST_F(SharedImageFormatTest, MultiPlaneI444) {
// 8-bit 4:2:2 Y_U_V format (I444)
SharedImageFormat format =
SharedImageFormat::MultiPlane(SharedImageFormat::PlaneConfig::kY_U_V,
SharedImageFormat::Subsampling::k444,
SharedImageFormat::ChannelFormat::k8);
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 1, 1};
TestNumChannelsInPlane(expected_channels, format);
// Y: 100 bytes per row (1 channel * 1 byte * 100 width) * 100 rows = 10000
// bytes.
// U: 100 bytes per row (1 channel * 1 byte * 100 width) * 100 rows = 10000
// bytes.
// V: 100 bytes per row (1 channel * 1 byte * 100 width) * 100 rows = 10000
// bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 30000u);
// Y: 9 bytes per row (1 channel * 1 byte * 9 width) * 9 rows = 81 bytes.
// U: 9 bytes per row (1 channel * 1 byte * 9 width) * 9 rows = 81 bytes.
// V: 9 bytes per row (1 channel * 1 byte * 9 width) * 9 rows = 81 bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 243u);
}
TEST_F(SharedImageFormatTest, MultiPlaneP010) {
// 10-bit 4:2:0 Y_UV biplanar format (P010)
SharedImageFormat format = MultiPlaneFormat::kP010;
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 2};
TestNumChannelsInPlane(expected_channels, format);
// Y: 200 bytes per row (1 channel * 2 byte * 100 width) * 100 rows = 20000
// bytes.
// UV: 200 bytes per row (2 channel * 2 byte * 50 width) * 50 rows = 10000
// bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 30000u);
// Y: 18 bytes per row (1 channel * 2 bytes * 9 width) * 9 rows = 162 bytes.
// UV: 20 bytes per row (2 channels * 2 bytes * 5 width) * 5 rows = 100 bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 262u);
}
TEST_F(SharedImageFormatTest, MultiPlaneP210) {
// 10-bit 4:2:2 Y_UV biplanar format (P210)
SharedImageFormat format = MultiPlaneFormat::kP210;
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 2};
TestNumChannelsInPlane(expected_channels, format);
// Y: 200 bytes per row (1 channel * 2 byte * 100 width) * 100 rows = 20000
// bytes.
// UV: 200 bytes per row (2 channel * 2 byte * 50 width) * 100 rows = 20000
// bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 40000u);
// Y: 18 bytes per row (1 channel * 2 bytes * 9 width) * 9 rows = 162 bytes.
// UV: 20 bytes per row (2 channels * 2 bytes * 5 width) * 9 rows = 180
// bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 342u);
}
TEST_F(SharedImageFormatTest, MultiPlaneP410) {
// 10-bit 4:4:4 Y_UV biplanar format (P410)
SharedImageFormat format = MultiPlaneFormat::kP410;
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 2};
TestNumChannelsInPlane(expected_channels, format);
// Y: 200 bytes per row (1 channel * 2 byte * 100 width) * 100 rows = 20000
// bytes.
// UV: 400 bytes per row (2 channel * 2 byte * 100 width) * 100 rows = 40000
// bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 60000u);
// Y: 18 bytes per row (1 channel * 2 bytes * 9 width) * 9 rows = 162 bytes.
// UV: 36 bytes per row (2 channels * 2 bytes * 9 width) * 9 rows = 324
// bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 486u);
}
TEST_F(SharedImageFormatTest, MultiPlaneYUVBiplanar16bit) {
// 16-bit 4:2:0 Y_UV biplanar format
SharedImageFormat format =
SharedImageFormat::MultiPlane(SharedImageFormat::PlaneConfig::kY_UV,
SharedImageFormat::Subsampling::k420,
SharedImageFormat::ChannelFormat::k16);
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 2};
TestNumChannelsInPlane(expected_channels, format);
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 30000u);
// Y: 18 bytes per row (1 channel * 2 bytes * 9 width) * 9 rows = 162 bytes.
// UV: 20 bytes per row (2 channels * 2 bytes * 5 width) * 5 rows = 100 bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 262u);
}
TEST_F(SharedImageFormatTest, MultiPlaneYUVATriplanar) {
// 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);
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 2, 1};
TestNumChannelsInPlane(expected_channels, format);
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 50000u);
// Y: 18 bytes per row (1 channel * 2 bytes * 9 width) * 9 rows = 162 bytes.
// UV: 20 bytes per row (2 channels * 2 bytes * 5 width) * 5 rows = 100 bytes.
// A: 18 bytes per row (1 channel * 2 bytes * 9 width) * 9 rows = 162 bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 424u);
}
TEST_F(SharedImageFormatTest, MultiPlaneYUV420P10) {
// 10-bit float 4:2:0 Y_U_V format (YUV420P10)
SharedImageFormat format =
SharedImageFormat::MultiPlane(SharedImageFormat::PlaneConfig::kY_U_V,
SharedImageFormat::Subsampling::k420,
SharedImageFormat::ChannelFormat::k10);
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 1, 1};
TestNumChannelsInPlane(expected_channels, format);
// Y: 200 bytes per row (1 channel * 2 bytes * 100 width) * 100 rows = 20000
// bytes.
// U: 100 bytes per row (1 channel * 2 bytes * 50 width) * 50 rows = 5000
// bytes.
// V: 100 bytes per row (1 channel * 2 bytes * 50 width) * 50 rows = 5000
// bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 30000u);
// Y: 18 bytes per row (1 channel * 2 bytes * 9 width) * 9 rows = 162 bytes.
// U: 10 bytes per row (1 channel * 2 bytes * 5 width) * 5 rows = 50 bytes.
// V: 10 bytes per row (1 channel * 2 bytes * 5 width) * 5 rows = 50 bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 262u);
}
TEST_F(SharedImageFormatTest, MultiPlaneYUV422P10) {
// 10-bit float 4:2:2 Y_U_V format (YUV422P10)
SharedImageFormat format =
SharedImageFormat::MultiPlane(SharedImageFormat::PlaneConfig::kY_U_V,
SharedImageFormat::Subsampling::k422,
SharedImageFormat::ChannelFormat::k10);
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 1, 1};
TestNumChannelsInPlane(expected_channels, format);
// Y: 200 bytes per row (1 channel * 2 bytes * 100 width) * 100 rows = 20000
// bytes.
// U: 100 bytes per row (1 channel * 2 bytes * 50 width) * 100 rows = 10000
// bytes.
// V: 100 bytes per row (1 channel * 2 bytes * 50 width) * 100 rows = 10000
// bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 40000u);
// Y: 18 bytes per row (1 channel * 2 bytes * 9 width) * 9 rows = 162 bytes.
// U: 10 bytes per row (1 channel * 2 bytes * 5 width) * 9 rows = 90 bytes.
// V: 10 bytes per row (1 channel * 2 bytes * 5 width) * 9 rows = 90 bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 342u);
}
TEST_F(SharedImageFormatTest, MultiPlaneYUV444P10) {
// 10-bit float 4:4:4 Y_U_V format (YUV444P10)
SharedImageFormat format =
SharedImageFormat::MultiPlane(SharedImageFormat::PlaneConfig::kY_U_V,
SharedImageFormat::Subsampling::k444,
SharedImageFormat::ChannelFormat::k10);
// Test for NumChannelsInPlane
std::vector<int> expected_channels = {1, 1, 1};
TestNumChannelsInPlane(expected_channels, format);
// Y: 200 bytes per row (1 channel * 2 bytes * 100 width) * 100 rows = 20000
// bytes.
// U: 200 bytes per row (1 channel * 2 bytes * 100 width) * 100 rows = 20000
// bytes.
// V: 200 bytes per row (1 channel * 2 bytes * 100 width) * 100 rows = 20000
// bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 60000u);
// Y: 18 bytes per row (1 channel * 2 bytes * 9 width) * 9 rows = 162 bytes.
// U: 18 bytes per row (1 channel * 2 bytes * 9 width) * 9 rows = 162 bytes.
// V: 18 bytes per row (1 channel * 2 bytes * 9 width) * 9 rows = 162 bytes.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 486u);
}
TEST_F(SharedImageFormatTest, SinglePlaneRGBA_8888) {
auto format = SinglePlaneFormat::kRGBA_8888;
EXPECT_EQ(1, format.NumberOfPlanes());
// 4 bytes per pixel.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 40000u);
}
TEST_F(SharedImageFormatTest, SinglePlaneRED_8) {
auto format = SinglePlaneFormat::kR_8;
EXPECT_EQ(1, format.NumberOfPlanes());
// 1 byte per pixel.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 10000u);
// 9 bytes per row * 9 rows.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 81u);
}
TEST_F(SharedImageFormatTest, SinglePlaneRG_88) {
auto format = SinglePlaneFormat::kRG_88;
EXPECT_EQ(1, format.NumberOfPlanes());
// 2 bytes per pixel.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 20000u);
// 18 bytes per row * 9 rows.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 162u);
}
TEST_F(SharedImageFormatTest, SinglePlaneETC1) {
auto format = SinglePlaneFormat::kETC1;
EXPECT_EQ(1, format.NumberOfPlanes());
// 4 bits (not bytes) per pixel.
EXPECT_EQ(format.EstimatedSizeInBytes(kDefaultSize), 5000u);
// 5 bytes per row (rounded up) * 9 rows.
EXPECT_EQ(format.EstimatedSizeInBytes(kOddSize), 45u);
}
TEST_F(SharedImageFormatTest, EstimatedSizeInBytesOverflow) {
auto format = SinglePlaneFormat::kRGBA_F16;
constexpr gfx::Size max_size(std::numeric_limits<int>::max(),
std::numeric_limits<int>::max());
// MaybeEstimatedSizeInBytes() will return nullopt on overflow.
EXPECT_FALSE(format.MaybeEstimatedSizeInBytes(max_size).has_value());
// EstimatedSizeInBytes() will return 0 on overflow.
EXPECT_EQ(format.EstimatedSizeInBytes(max_size), 0u);
// VerifySizeInBytes() should return false on overflow.
EXPECT_FALSE(format.VerifySizeInBytes(max_size));
}
TEST_F(SharedImageFormatTest, PrefersExternalSampler) {
auto singleplanar_format = SinglePlaneFormat::kRGBA_F16;
auto multiplanar_format = MultiPlaneFormat::kNV12;
EXPECT_FALSE(singleplanar_format.PrefersExternalSampler());
EXPECT_FALSE(multiplanar_format.PrefersExternalSampler());
#if BUILDFLAG(IS_OZONE)
multiplanar_format.SetPrefersExternalSampler();
EXPECT_TRUE(multiplanar_format.PrefersExternalSampler());
#endif
}
} // namespace
} // namespace viz
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