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302 lines
13 KiB
302 lines
13 KiB
/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, |
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2020, 2021, 2022, 2023 Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include <sstream> |
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#include <Corrade/Containers/StridedArrayView.h> |
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#include <Corrade/Containers/StringStl.h> /**< @todo remove once Debug is stream-free */ |
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#include <Corrade/PluginManager/AbstractManager.h> |
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#include <Corrade/TestSuite/Compare/String.h> |
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#include <Corrade/Utility/Algorithms.h> |
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#include <Corrade/Utility/DebugStl.h> /**< @todo remove once Debug is stream-free */ |
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#include <Corrade/Utility/Path.h> |
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#include "Magnum/Image.h" |
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#include "Magnum/ImageView.h" |
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#include "Magnum/PixelFormat.h" |
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#include "Magnum/DebugTools/CompareImage.h" |
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#ifdef MAGNUM_TARGET_GLES |
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#include "Magnum/DebugTools/TextureImage.h" |
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#endif |
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#include "Magnum/Math/Range.h" |
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#include "Magnum/GL/OpenGLTester.h" |
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#include "Magnum/GL/Extensions.h" |
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#include "Magnum/GL/PixelFormat.h" |
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#include "Magnum/Text/DistanceFieldGlyphCache.h" |
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#include "Magnum/Trade/AbstractImporter.h" |
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#include "Magnum/Trade/ImageData.h" |
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#include "configure.h" |
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namespace Magnum { namespace Text { namespace Test { namespace { |
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struct DistanceFieldGlyphCacheGLTest: GL::OpenGLTester { |
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explicit DistanceFieldGlyphCacheGLTest(); |
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void construct(); |
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void constructCopy(); |
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void constructMove(); |
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void setImage(); |
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void setDistanceFieldImage(); |
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void setDistanceFieldImageOutOfRange(); |
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PluginManager::Manager<Trade::AbstractImporter> _manager{"nonexistent"}; |
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}; |
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const struct { |
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const char* name; |
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Vector2i sourceSize, size, sourceOffset; |
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Containers::Size2D offset; |
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} SetImageData[]{ |
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{"", |
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{256, 256}, {64, 64}, |
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{}, {}}, |
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{"upload with offset", |
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{512, 384}, {128, 96}, |
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{256, 128}, {128/4, 256/4}}, |
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}; |
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DistanceFieldGlyphCacheGLTest::DistanceFieldGlyphCacheGLTest() { |
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addTests({&DistanceFieldGlyphCacheGLTest::construct, |
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&DistanceFieldGlyphCacheGLTest::constructCopy, |
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&DistanceFieldGlyphCacheGLTest::constructMove}); |
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addInstancedTests({&DistanceFieldGlyphCacheGLTest::setImage}, |
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Containers::arraySize(SetImageData)); |
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addTests({&DistanceFieldGlyphCacheGLTest::setDistanceFieldImage, |
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&DistanceFieldGlyphCacheGLTest::setDistanceFieldImageOutOfRange}); |
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/* Load the plugin directly from the build tree. Otherwise it's either |
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static and already loaded or not present in the build tree */ |
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#ifdef ANYIMAGEIMPORTER_PLUGIN_FILENAME |
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CORRADE_INTERNAL_ASSERT_OUTPUT(_manager.load(ANYIMAGEIMPORTER_PLUGIN_FILENAME) & PluginManager::LoadState::Loaded); |
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#endif |
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#ifdef TGAIMPORTER_PLUGIN_FILENAME |
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CORRADE_INTERNAL_ASSERT_OUTPUT(_manager.load(TGAIMPORTER_PLUGIN_FILENAME) & PluginManager::LoadState::Loaded); |
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#endif |
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} |
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void DistanceFieldGlyphCacheGLTest::construct() { |
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DistanceFieldGlyphCache cache{{1024, 2048}, {128, 256}, 16}; |
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MAGNUM_VERIFY_NO_GL_ERROR(); |
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CORRADE_COMPARE(cache.size(), (Vector3i{1024, 2048, 1})); |
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CORRADE_COMPARE(cache.distanceFieldTextureSize(), (Vector2i{128, 256})); |
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#ifndef MAGNUM_TARGET_GLES |
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CORRADE_COMPARE(cache.texture().imageSize(0), (Vector2i{128, 256})); |
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#endif |
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} |
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void DistanceFieldGlyphCacheGLTest::constructCopy() { |
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CORRADE_VERIFY(!std::is_copy_constructible<DistanceFieldGlyphCache>{}); |
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CORRADE_VERIFY(!std::is_copy_assignable<DistanceFieldGlyphCache>{}); |
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} |
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void DistanceFieldGlyphCacheGLTest::constructMove() { |
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DistanceFieldGlyphCache a{{1024, 512}, {128, 64}, 3}; |
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DistanceFieldGlyphCache b = Utility::move(a); |
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CORRADE_COMPARE(b.size(), (Vector3i{1024, 512, 1})); |
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DistanceFieldGlyphCache c{{2, 3}, {1, 1}, 1}; |
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c = Utility::move(b); |
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CORRADE_COMPARE(c.size(), (Vector3i{1024, 512, 1})); |
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CORRADE_VERIFY(std::is_nothrow_move_constructible<DistanceFieldGlyphCache>::value); |
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CORRADE_VERIFY(std::is_nothrow_move_assignable<DistanceFieldGlyphCache>::value); |
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} |
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void DistanceFieldGlyphCacheGLTest::setImage() { |
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auto&& data = SetImageData[testCaseInstanceId()]; |
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setTestCaseDescription(data.name); |
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Containers::Pointer<Trade::AbstractImporter> importer; |
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if(!(importer = _manager.loadAndInstantiate("TgaImporter"))) |
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CORRADE_SKIP("TgaImporter plugin not found."); |
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CORRADE_VERIFY(importer->openFile(Utility::Path::join(TEXTURETOOLS_DISTANCEFIELDGLTEST_DIR, "input.tga"))); |
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CORRADE_COMPARE(importer->image2DCount(), 1); |
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Containers::Optional<Trade::ImageData2D> inputImage = importer->image2D(0); |
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CORRADE_VERIFY(inputImage); |
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CORRADE_COMPARE(inputImage->format(), PixelFormat::R8Unorm); |
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CORRADE_COMPARE(inputImage->size(), (Vector2i{256, 256})); |
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DistanceFieldGlyphCache cache{data.sourceSize, data.size, 32}; |
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Containers::StridedArrayView3D<const char> src = inputImage->pixels(); |
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/* Test also uploading under an offset. The cache might be three-component |
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in some cases, slice the destination view to just the first component */ |
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/** @todo actually the input can be just luminance, only the destination |
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cannot -- fix by dropping the dependency on GlyphCache and creating the |
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texture directly */ |
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Utility::copy(src, cache.image().pixels()[0].sliceSize({ |
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std::size_t(data.sourceOffset.y()), |
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std::size_t(data.sourceOffset.x()), |
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0}, src.size())); |
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cache.flushImage(Range2Di::fromSize(data.sourceOffset, inputImage->size())); |
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MAGNUM_VERIFY_NO_GL_ERROR(); |
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/* On GLES processedImage() isn't implemented as it'd mean creating a |
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temporary framebuffer. Do it via DebugTools here instead, we cannot |
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really verify that the size matches, but at least something. */ |
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#ifndef MAGNUM_TARGET_GLES |
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Image3D actual3 = cache.processedImage(); |
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/** @todo ugh have slicing on images directly already */ |
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MutableImageView2D actual{actual3.format(), actual3.size().xy(), actual3.data()}; |
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#else |
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/* Pick a format that matches the internal texture format. This is rather |
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shitty, TBH. */ |
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#if !(defined(MAGNUM_TARGET_GLES) && defined(MAGNUM_TARGET_GLES2)) |
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const GL::PixelFormat format = GL::PixelFormat::Red; |
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#else |
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GL::PixelFormat format; |
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#ifndef MAGNUM_TARGET_WEBGL |
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if(GL::Context::current().isExtensionSupported<GL::Extensions::EXT::texture_rg>()) { |
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format = GL::PixelFormat::Red; |
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} else |
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#endif |
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{ |
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format = GL::PixelFormat::RGB; |
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} |
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#endif |
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Image2D actual = DebugTools::textureSubImage(cache.texture(), 0, {{}, data.size}, {format, GL::PixelType::UnsignedByte}); |
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#endif |
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MAGNUM_VERIFY_NO_GL_ERROR(); |
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if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || |
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!(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) |
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CORRADE_SKIP("AnyImageImporter / TgaImporter plugins not found."); |
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/* On GLES2 if EXT_unpack_subimage isn't supported or on WebGL 1, the whole |
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texture gets uploaded and processed every time. Which circumvents this |
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problem. */ |
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#if defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) |
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CORRADE_EXPECT_FAIL_IF(GL::Context::current().isExtensionSupported<GL::Extensions::EXT::unpack_subimage>() && !data.sourceOffset.isZero(), |
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"The distance field tool is currently broken if a non-zero offset is used."); |
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#elif !defined(MAGNUM_TARGET_GLES2) |
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CORRADE_EXPECT_FAIL_IF(!data.sourceOffset.isZero(), |
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"The distance field tool is currently broken if a non-zero offset is used."); |
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#endif |
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/* The format may be three-component, consider just the first channel */ |
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Containers::StridedArrayView3D<const char> pixels = actual.pixels(); |
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CORRADE_COMPARE_WITH((Containers::arrayCast<2, const UnsignedByte>(pixels.prefix({pixels.size()[0], pixels.size()[1], 1})).exceptPrefix(data.offset)), |
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Utility::Path::join(TEXTURETOOLS_DISTANCEFIELDGLTEST_DIR, "output.tga"), |
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/* Same threshold as in TextureTools DistanceFieldGLTest */ |
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(DebugTools::CompareImageToFile{_manager, 1.0f, 0.178f})); |
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} |
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void DistanceFieldGlyphCacheGLTest::setDistanceFieldImage() { |
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DistanceFieldGlyphCache cache({64, 32}, {16, 8}, 16); |
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/* Pick a format that matches the internal texture format. This is rather |
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shitty, TBH. */ |
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#if !(defined(MAGNUM_TARGET_GLES) && defined(MAGNUM_TARGET_GLES2)) |
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const GL::PixelFormat format = GL::PixelFormat::Red; |
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#else |
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GL::PixelFormat format; |
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#ifndef MAGNUM_TARGET_WEBGL |
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if(GL::Context::current().isExtensionSupported<GL::Extensions::EXT::texture_rg>()) { |
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format = GL::PixelFormat::Red; |
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} else |
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#endif |
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{ |
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/* Ugh, don't want to bother implementing this */ |
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CORRADE_SKIP("A three-component input is expected on ES2, skipping due to developer laziness."); |
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} |
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#endif |
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/* Clear the texture first, as it'd have random garbage otherwise */ |
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UnsignedByte zeros[16*8]{}; |
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cache.setDistanceFieldImage({}, ImageView2D{format, GL::PixelType::UnsignedByte, {16, 8}, zeros}); |
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MAGNUM_VERIFY_NO_GL_ERROR(); |
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UnsignedByte data[]{ |
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0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
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0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, |
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0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
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0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, |
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}; |
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cache.setDistanceFieldImage({8, 4}, ImageView2D{format, GL::PixelType::UnsignedByte, {8, 4}, data}); |
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MAGNUM_VERIFY_NO_GL_ERROR(); |
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/* On GLES processedImage() isn't implemented as it'd mean creating a |
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temporary framebuffer. Do it via DebugTools here instead, we cannot |
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really verify that the size matches, but at least something. */ |
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#ifndef MAGNUM_TARGET_GLES |
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Image3D actual3 = cache.processedImage(); |
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/** @todo ugh have slicing on images directly already */ |
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MutableImageView2D actual{actual3.format(), actual3.size().xy(), actual3.data()}; |
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#else |
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Image2D actualGL = DebugTools::textureSubImage(cache.texture(), 0, {{}, {16, 8}}, {format, GL::PixelType::UnsignedByte}); |
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ImageView2D actual{*GL::genericPixelFormat(format, GL::PixelType::UnsignedByte), actualGL.size(), actualGL.data()}; |
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#endif |
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MAGNUM_VERIFY_NO_GL_ERROR(); |
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UnsignedByte expected[]{ |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
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0, 0, 0, 0, 0, 0, 0, 0, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, |
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0, 0, 0, 0, 0, 0, 0, 0, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
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0, 0, 0, 0, 0, 0, 0, 0, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, |
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}; |
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CORRADE_COMPARE_AS(actual, |
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(ImageView2D{PixelFormat::R8Unorm, {16, 8}, expected}), |
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DebugTools::CompareImage); |
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} |
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void DistanceFieldGlyphCacheGLTest::setDistanceFieldImageOutOfRange() { |
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CORRADE_SKIP_IF_NO_ASSERT(); |
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DistanceFieldGlyphCache cache{{200, 300}, {100, 200}, 4}; |
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/* This is fine. Not testing on ES2 as there it would need the complicated |
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format logic from above. */ |
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#if !(defined(MAGNUM_TARGET_GLES) && defined(MAGNUM_TARGET_GLES2)) |
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cache.setDistanceFieldImage({80, 175}, ImageView2D{PixelFormat::R8Unorm, {20, 25}}); |
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#endif |
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std::ostringstream out; |
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Error redirectError{&out}; |
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cache.setDistanceFieldImage({81, 175}, ImageView2D{PixelFormat::R8Unorm, {20, 25}}); |
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cache.setDistanceFieldImage({80, 176}, ImageView2D{PixelFormat::R8Unorm, {20, 25}}); |
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cache.setDistanceFieldImage({-1, 175}, ImageView2D{PixelFormat::R8Unorm, {20, 25}}); |
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cache.setDistanceFieldImage({80, -1}, ImageView2D{PixelFormat::R8Unorm, {20, 25}}); |
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CORRADE_COMPARE_AS(out.str(), |
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"Text::DistanceFieldGlyphCache::setDistanceFieldImage(): Range({81, 175}, {101, 200}) out of range for texture size Vector(100, 200)\n" |
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"Text::DistanceFieldGlyphCache::setDistanceFieldImage(): Range({80, 176}, {100, 201}) out of range for texture size Vector(100, 200)\n" |
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"Text::DistanceFieldGlyphCache::setDistanceFieldImage(): Range({-1, 175}, {19, 200}) out of range for texture size Vector(100, 200)\n" |
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"Text::DistanceFieldGlyphCache::setDistanceFieldImage(): Range({80, -1}, {100, 24}) out of range for texture size Vector(100, 200)\n", |
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TestSuite::Compare::String); |
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} |
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}}}} |
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CORRADE_TEST_MAIN(Magnum::Text::Test::DistanceFieldGlyphCacheGLTest)
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