mirror of https://github.com/mosra/magnum.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
297 lines
12 KiB
297 lines
12 KiB
/* |
|
This file is part of Magnum. |
|
|
|
Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, |
|
2020, 2021 Vladimír Vondruš <mosra@centrum.cz> |
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a |
|
copy of this software and associated documentation files (the "Software"), |
|
to deal in the Software without restriction, including without limitation |
|
the rights to use, copy, modify, merge, publish, distribute, sublicense, |
|
and/or sell copies of the Software, and to permit persons to whom the |
|
Software is furnished to do so, subject to the following conditions: |
|
|
|
The above copyright notice and this permission notice shall be included |
|
in all copies or substantial portions of the Software. |
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
|
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
|
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
|
DEALINGS IN THE SOFTWARE. |
|
*/ |
|
|
|
#include <Corrade/PluginManager/AbstractManager.h> |
|
#include <Corrade/Utility/Directory.h> |
|
|
|
#include "Magnum/Image.h" |
|
#include "Magnum/ImageView.h" |
|
#include "Magnum/PixelFormat.h" |
|
#include "Magnum/Math/Color.h" |
|
#include "Magnum/Math/Range.h" |
|
#include "Magnum/DebugTools/CompareImage.h" |
|
#include "Magnum/DebugTools/TextureImage.h" |
|
#include "Magnum/GL/Context.h" |
|
#include "Magnum/GL/Extensions.h" |
|
#include "Magnum/GL/OpenGLTester.h" |
|
#include "Magnum/GL/PixelFormat.h" |
|
#include "Magnum/GL/Texture.h" |
|
#include "Magnum/GL/TextureFormat.h" |
|
#include "Magnum/TextureTools/DistanceField.h" |
|
#include "Magnum/Trade/AbstractImporter.h" |
|
#include "Magnum/Trade/ImageData.h" |
|
|
|
#ifndef MAGNUM_TARGET_WEBGL |
|
#include "Magnum/GL/DebugOutput.h" |
|
#endif |
|
|
|
#include "configure.h" |
|
|
|
namespace Magnum { namespace TextureTools { namespace Test { namespace { |
|
|
|
struct DistanceFieldGLTest: GL::OpenGLTester { |
|
explicit DistanceFieldGLTest(); |
|
|
|
void test(); |
|
#ifndef MAGNUM_TARGET_WEBGL |
|
void benchmark(); |
|
#endif |
|
|
|
private: |
|
PluginManager::Manager<Trade::AbstractImporter> _manager{"nonexistent"}; |
|
std::string _testDir; |
|
}; |
|
|
|
DistanceFieldGLTest::DistanceFieldGLTest() { |
|
addTests({&DistanceFieldGLTest::test}); |
|
|
|
#ifndef MAGNUM_TARGET_WEBGL |
|
addBenchmarks({&DistanceFieldGLTest::benchmark}, 5, BenchmarkType::GpuTime); |
|
#endif |
|
|
|
/* Load the plugin directly from the build tree. Otherwise it's either |
|
static and already loaded or not present in the build tree */ |
|
#ifdef ANYIMAGEIMPORTER_PLUGIN_FILENAME |
|
CORRADE_INTERNAL_ASSERT_OUTPUT(_manager.load(ANYIMAGEIMPORTER_PLUGIN_FILENAME) & PluginManager::LoadState::Loaded); |
|
#endif |
|
#ifdef TGAIMPORTER_PLUGIN_FILENAME |
|
CORRADE_INTERNAL_ASSERT_OUTPUT(_manager.load(TGAIMPORTER_PLUGIN_FILENAME) & PluginManager::LoadState::Loaded); |
|
#endif |
|
|
|
#ifdef CORRADE_TARGET_APPLE |
|
if(Utility::Directory::isSandboxed() |
|
#if defined(CORRADE_TARGET_IOS) && defined(CORRADE_TESTSUITE_TARGET_XCTEST) |
|
/** @todo Fix this once I persuade CMake to run XCTest tests properly */ |
|
&& std::getenv("SIMULATOR_UDID") |
|
#endif |
|
) { |
|
_testDir = Utility::Directory::join(Utility::Directory::path(Utility::Directory::executableLocation()), "DistanceFieldGLTestFiles"); |
|
} else |
|
#endif |
|
{ |
|
_testDir = DISTANCEFIELDGLTEST_FILES_DIR; |
|
} |
|
} |
|
|
|
void DistanceFieldGLTest::test() { |
|
Containers::Pointer<Trade::AbstractImporter> importer; |
|
if(!(importer = _manager.loadAndInstantiate("TgaImporter"))) |
|
CORRADE_SKIP("TgaImporter plugin not found."); |
|
|
|
CORRADE_VERIFY(importer->openFile(Utility::Directory::join(_testDir, "input.tga"))); |
|
CORRADE_COMPARE(importer->image2DCount(), 1); |
|
Containers::Optional<Trade::ImageData2D> inputImage = importer->image2D(0); |
|
CORRADE_VERIFY(inputImage); |
|
CORRADE_COMPARE(inputImage->format(), PixelFormat::R8Unorm); |
|
|
|
#ifndef MAGNUM_TARGET_GLES2 |
|
const GL::TextureFormat inputFormat = GL::TextureFormat::R8; |
|
#elif !defined(MAGNUM_TARGET_WEBGL) |
|
GL::TextureFormat inputFormat; |
|
if(GL::Context::current().isExtensionSupported<GL::Extensions::EXT::texture_rg>()) |
|
inputFormat = GL::TextureFormat::R8; |
|
else |
|
inputFormat = GL::TextureFormat::Luminance; /** @todo Luminance8 */ |
|
#else |
|
const GL::TextureFormat inputFormat = GL::TextureFormat::Luminance; |
|
#endif |
|
|
|
GL::Texture2D input; |
|
input.setMinificationFilter(GL::SamplerFilter::Nearest, GL::SamplerMipmap::Base) |
|
.setMagnificationFilter(GL::SamplerFilter::Nearest) |
|
.setStorage(1, inputFormat, inputImage->size()); |
|
|
|
#if !defined(MAGNUM_TARGET_GLES2) || defined(MAGNUM_TARGET_WEBGL) |
|
input.setSubImage(0, {}, *inputImage); |
|
#else |
|
if(GL::Context::current().isExtensionSupported<GL::Extensions::EXT::texture_rg>()) |
|
input.setSubImage(0, {}, ImageView2D{inputImage->storage(), GL::PixelFormat::Red, GL::PixelType::UnsignedByte, inputImage->size(), inputImage->data()}); |
|
else |
|
input.setSubImage(0, {}, *inputImage); |
|
#endif |
|
|
|
#ifndef MAGNUM_TARGET_GLES2 |
|
const GL::TextureFormat outputFormat = GL::TextureFormat::R8; |
|
#elif !defined(MAGNUM_TARGET_WEBGL) |
|
GL::TextureFormat outputFormat; |
|
if(GL::Context::current().isExtensionSupported<GL::Extensions::EXT::texture_rg>()) |
|
outputFormat = GL::TextureFormat::R8; |
|
else |
|
outputFormat = GL::TextureFormat::Luminance; /** @todo Luminance8 */ |
|
#else |
|
const GL::TextureFormat outputFormat = GL::TextureFormat::RGBA; |
|
#endif |
|
|
|
GL::Texture2D output; |
|
output.setMinificationFilter(GL::SamplerFilter::Nearest, GL::SamplerMipmap::Base) |
|
.setMagnificationFilter(GL::SamplerFilter::Nearest) |
|
.setStorage(1, outputFormat, Vector2i{64}); |
|
|
|
TextureTools::DistanceField distanceField{32}; |
|
CORRADE_COMPARE(distanceField.radius(), 32); |
|
|
|
MAGNUM_VERIFY_NO_GL_ERROR(); |
|
|
|
distanceField(input, output, {{}, Vector2i{64}} |
|
#ifdef MAGNUM_TARGET_GLES |
|
, inputImage->size() |
|
#endif |
|
); |
|
|
|
MAGNUM_VERIFY_NO_GL_ERROR(); |
|
|
|
Containers::Optional<Image2D> actualOutputImage; |
|
#ifndef MAGNUM_TARGET_GLES2 |
|
actualOutputImage = Image2D{PixelFormat::R8Unorm}; |
|
#elif !defined(MAGNUM_TARGET_WEBGL) |
|
if(GL::Context::current().isExtensionSupported<GL::Extensions::EXT::texture_rg>()) |
|
actualOutputImage = Image2D{GL::PixelFormat::Red, GL::PixelType::UnsignedByte}; |
|
else |
|
actualOutputImage = Image2D{PixelFormat::R8Unorm}; |
|
#else |
|
actualOutputImage = Image2D{PixelFormat::RGBA8Unorm}; |
|
#endif |
|
|
|
DebugTools::textureSubImage(output, 0, {{}, Vector2i{64}}, *actualOutputImage); |
|
|
|
MAGNUM_VERIFY_NO_GL_ERROR(); |
|
|
|
if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || |
|
!(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) |
|
CORRADE_SKIP("AnyImageImporter / TgaImporter plugins not found."); |
|
|
|
/** @todo Do this via some TextureTools::pixelFormatTransform() */ |
|
if(actualOutputImage->format() == PixelFormat::RGBA8Unorm) { |
|
/* Shrink the data */ |
|
Containers::ArrayView<const Color4ub> in = Containers::arrayCast<const Color4ub>(actualOutputImage->data()); |
|
Containers::ArrayView<UnsignedByte> out = Containers::arrayCast<UnsignedByte>(actualOutputImage->data()); |
|
for(std::size_t i = 0; i != in.size(); ++i) { |
|
out[i] = in[i].r(); |
|
} |
|
|
|
actualOutputImage = Image2D{PixelFormat::R8Unorm, actualOutputImage->size(), actualOutputImage->release()}; |
|
} |
|
|
|
#if defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) |
|
/* In some cases actualOutputImage might have GL-specific format, |
|
reinterpret as R8Unorm for the comparison to work */ |
|
if(actualOutputImage->format() == pixelFormatWrap(GL::PixelFormat::Red)) { |
|
const Vector2i imageSize = actualOutputImage->size(); |
|
actualOutputImage = Image2D{actualOutputImage->storage(), PixelFormat::R8Unorm, imageSize, actualOutputImage->release()}; |
|
} |
|
#endif |
|
|
|
CORRADE_COMPARE_WITH(*actualOutputImage, |
|
Utility::Directory::join(_testDir, "output.tga"), |
|
/* Some mobile GPUs have slight (off-by-one) rounding errors compared |
|
to the ground truth, but it's just a very small amount of pixels |
|
(20-50 out of the total 4k pixels, iOS/WebGL has slightly more). |
|
That's okay. It's also possible that the ground truth itself has |
|
rounding errors ;) */ |
|
(DebugTools::CompareImageToFile{_manager, 1.0f, 0.178f})); |
|
} |
|
|
|
#ifndef MAGNUM_TARGET_WEBGL |
|
void DistanceFieldGLTest::benchmark() { |
|
#ifdef MAGNUM_TARGET_GLES |
|
if(!GL::Context::current().isExtensionSupported<GL::Extensions::EXT::disjoint_timer_query>()) |
|
CORRADE_SKIP(GL::Extensions::EXT::disjoint_timer_query::string() << "is not supported, can't benchmark"); |
|
#endif |
|
|
|
Containers::Pointer<Trade::AbstractImporter> importer; |
|
if(!(importer = _manager.loadAndInstantiate("TgaImporter"))) |
|
CORRADE_SKIP("TgaImporter plugin not found."); |
|
|
|
CORRADE_VERIFY(importer->openFile(Utility::Directory::join(_testDir, "input.tga"))); |
|
CORRADE_COMPARE(importer->image2DCount(), 1); |
|
Containers::Optional<Trade::ImageData2D> inputImage = importer->image2D(0); |
|
CORRADE_VERIFY(inputImage); |
|
CORRADE_COMPARE(inputImage->format(), PixelFormat::R8Unorm); |
|
|
|
#ifndef MAGNUM_TARGET_GLES2 |
|
const GL::TextureFormat inputFormat = GL::TextureFormat::R8; |
|
#else |
|
GL::TextureFormat inputFormat; |
|
if(GL::Context::current().isExtensionSupported<GL::Extensions::EXT::texture_rg>()) |
|
inputFormat = GL::TextureFormat::R8; |
|
else |
|
inputFormat = GL::TextureFormat::Luminance; /** @todo Luminance8 */ |
|
#endif |
|
|
|
GL::Texture2D input; |
|
input.setMinificationFilter(GL::SamplerFilter::Nearest, GL::SamplerMipmap::Base) |
|
.setMagnificationFilter(GL::SamplerFilter::Nearest) |
|
.setStorage(1, inputFormat, inputImage->size()); |
|
|
|
#if !defined(MAGNUM_TARGET_GLES2) || defined(MAGNUM_TARGET_WEBGL) |
|
input.setSubImage(0, {}, *inputImage); |
|
#else |
|
if(GL::Context::current().isExtensionSupported<GL::Extensions::EXT::texture_rg>()) |
|
input.setSubImage(0, {}, ImageView2D{inputImage->storage(), GL::PixelFormat::Red, GL::PixelType::UnsignedByte, inputImage->size(), inputImage->data()}); |
|
else |
|
input.setSubImage(0, {}, *inputImage); |
|
#endif |
|
|
|
#ifndef MAGNUM_TARGET_GLES2 |
|
const GL::TextureFormat outputFormat = GL::TextureFormat::R8; |
|
#else |
|
GL::TextureFormat outputFormat; |
|
if(GL::Context::current().isExtensionSupported<GL::Extensions::EXT::texture_rg>()) |
|
outputFormat = GL::TextureFormat::R8; |
|
else |
|
outputFormat = GL::TextureFormat::Luminance; /** @todo Luminance8 */ |
|
#endif |
|
|
|
GL::Texture2D output; |
|
output.setMinificationFilter(GL::SamplerFilter::Nearest, GL::SamplerMipmap::Base) |
|
.setMagnificationFilter(GL::SamplerFilter::Nearest) |
|
.setStorage(1, outputFormat, Vector2i{64}); |
|
|
|
MAGNUM_VERIFY_NO_GL_ERROR(); |
|
|
|
TextureTools::DistanceField distanceField{32}; |
|
|
|
/* So it doesn't spam too much */ |
|
GL::DebugOutput::setCallback(nullptr); |
|
|
|
CORRADE_BENCHMARK(5) { |
|
/* This is creating the shader from scratch every time, so no wonder |
|
it's so freaking slow */ |
|
distanceField(input, output, {{}, Vector2i{64}} |
|
#ifdef MAGNUM_TARGET_GLES |
|
, inputImage->size() |
|
#endif |
|
); |
|
|
|
MAGNUM_VERIFY_NO_GL_ERROR(); |
|
} |
|
|
|
GL::DebugOutput::setDefaultCallback(); |
|
} |
|
#endif |
|
|
|
}}}} |
|
|
|
CORRADE_TEST_MAIN(Magnum::TextureTools::Test::DistanceFieldGLTest)
|
|
|