89 lines
4.0 KiB
C++
89 lines
4.0 KiB
C++
/*
|
|
* Copyright 2021 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 <gmock/gmock.h>
|
|
#include <gtest/gtest.h>
|
|
#include <tonemap/tonemap.h>
|
|
#include <cmath>
|
|
|
|
namespace android {
|
|
|
|
using testing::HasSubstr;
|
|
|
|
struct TonemapTest : public ::testing::Test {};
|
|
|
|
TEST_F(TonemapTest, generateShaderSkSLUniforms_containsDefaultUniforms) {
|
|
static const constexpr float kDisplayMaxLuminance = 1.f;
|
|
static const constexpr float kContentMaxLuminance = 2.f;
|
|
tonemap::Metadata metadata{.displayMaxLuminance = kDisplayMaxLuminance,
|
|
.contentMaxLuminance = kContentMaxLuminance};
|
|
const auto uniforms = tonemap::getToneMapper()->generateShaderSkSLUniforms(metadata);
|
|
|
|
ASSERT_EQ(1, std::count_if(uniforms.cbegin(), uniforms.cend(), [](const auto& data) {
|
|
return data.name == "in_libtonemap_displayMaxLuminance";
|
|
}));
|
|
ASSERT_EQ(1, std::count_if(uniforms.cbegin(), uniforms.cend(), [](const auto& data) {
|
|
return data.name == "in_libtonemap_inputMaxLuminance";
|
|
}));
|
|
|
|
// Smoke check that metadata values are "real", specifically that they're non-zero and actually
|
|
// numbers. This is to help avoid shaders using these uniforms from dividing by zero or other
|
|
// catastrophic errors.
|
|
const auto& displayLum = std::find_if(uniforms.cbegin(), uniforms.cend(), [](const auto& data) {
|
|
return data.name == "in_libtonemap_displayMaxLuminance";
|
|
})->value;
|
|
|
|
float displayLumFloat = 0.f;
|
|
std::memcpy(&displayLumFloat, displayLum.data(), displayLum.size());
|
|
EXPECT_FALSE(std::isnan(displayLumFloat));
|
|
EXPECT_GT(displayLumFloat, 0);
|
|
|
|
const auto& contentLum = std::find_if(uniforms.cbegin(), uniforms.cend(), [](const auto& data) {
|
|
return data.name == "in_libtonemap_inputMaxLuminance";
|
|
})->value;
|
|
|
|
float contentLumFloat = 0.f;
|
|
std::memcpy(&contentLumFloat, contentLum.data(), contentLum.size());
|
|
EXPECT_FALSE(std::isnan(contentLumFloat));
|
|
EXPECT_GT(contentLumFloat, 0);
|
|
}
|
|
|
|
TEST_F(TonemapTest, generateTonemapGainShaderSkSL_containsEntryPointForPQ) {
|
|
const auto shader =
|
|
tonemap::getToneMapper()
|
|
->generateTonemapGainShaderSkSL(aidl::android::hardware::graphics::common::
|
|
Dataspace::BT2020_ITU_PQ,
|
|
aidl::android::hardware::graphics::common::
|
|
Dataspace::DISPLAY_P3);
|
|
|
|
// Other tests such as librenderengine_test will plug in the shader to check compilation.
|
|
EXPECT_THAT(shader, HasSubstr("float libtonemap_LookupTonemapGain(vec3 linearRGB, vec3 xyz)"));
|
|
}
|
|
|
|
TEST_F(TonemapTest, generateTonemapGainShaderSkSL_containsEntryPointForHLG) {
|
|
const auto shader =
|
|
tonemap::getToneMapper()
|
|
->generateTonemapGainShaderSkSL(aidl::android::hardware::graphics::common::
|
|
Dataspace::BT2020_ITU_HLG,
|
|
aidl::android::hardware::graphics::common::
|
|
Dataspace::DISPLAY_P3);
|
|
|
|
// Other tests such as librenderengine_test will plug in the shader to check compilation.
|
|
EXPECT_THAT(shader, HasSubstr("float libtonemap_LookupTonemapGain(vec3 linearRGB, vec3 xyz)"));
|
|
}
|
|
|
|
} // namespace android
|