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.
227 lines
9.5 KiB
227 lines
9.5 KiB
/* |
|
This file is part of Magnum. |
|
|
|
Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, |
|
2020, 2021, 2022, 2023 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 <sstream> |
|
#include <Corrade/Containers/StridedArrayView.h> |
|
#include <Corrade/Containers/StringStl.h> /**< @todo remove once Debug is stream-free */ |
|
#include <Corrade/PluginManager/AbstractManager.h> |
|
#include <Corrade/TestSuite/Compare/String.h> |
|
#include <Corrade/Utility/DebugStl.h> /**< @todo remove once Debug is stream-free */ |
|
#include <Corrade/Utility/Path.h> |
|
|
|
#include "Magnum/Image.h" |
|
#include "Magnum/ImageView.h" |
|
#include "Magnum/PixelFormat.h" |
|
#include "Magnum/DebugTools/CompareImage.h" |
|
#include "Magnum/GL/OpenGLTester.h" |
|
#include "Magnum/GL/Extensions.h" |
|
#include "Magnum/GL/PixelFormat.h" |
|
#include "Magnum/Text/DistanceFieldGlyphCache.h" |
|
#include "Magnum/Trade/AbstractImporter.h" |
|
#include "Magnum/Trade/ImageData.h" |
|
|
|
#include "configure.h" |
|
|
|
namespace Magnum { namespace Text { namespace Test { namespace { |
|
|
|
struct DistanceFieldGlyphCacheGLTest: GL::OpenGLTester { |
|
explicit DistanceFieldGlyphCacheGLTest(); |
|
|
|
void initialize(); |
|
|
|
void setImage(); |
|
|
|
void setDistanceFieldImage(); |
|
void setDistanceFieldImageOutOfRange(); |
|
|
|
PluginManager::Manager<Trade::AbstractImporter> _manager{"nonexistent"}; |
|
}; |
|
|
|
const struct { |
|
const char* name; |
|
Vector2i sourceSize, size, sourceOffset; |
|
Containers::Size2D offset; |
|
} SetImageData[]{ |
|
{"", |
|
{256, 256}, {64, 64}, |
|
{}, {}}, |
|
{"upload with offset", |
|
{512, 384}, {128, 96}, |
|
{256, 128}, {128/4, 256/4}}, |
|
}; |
|
|
|
DistanceFieldGlyphCacheGLTest::DistanceFieldGlyphCacheGLTest() { |
|
addTests({&DistanceFieldGlyphCacheGLTest::initialize}); |
|
|
|
addInstancedTests({&DistanceFieldGlyphCacheGLTest::setImage}, |
|
Containers::arraySize(SetImageData)); |
|
|
|
addTests({&DistanceFieldGlyphCacheGLTest::setDistanceFieldImage, |
|
&DistanceFieldGlyphCacheGLTest::setDistanceFieldImageOutOfRange}); |
|
|
|
/* 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 |
|
} |
|
|
|
void DistanceFieldGlyphCacheGLTest::initialize() { |
|
DistanceFieldGlyphCache cache{{1024, 2048}, {128, 256}, 16}; |
|
MAGNUM_VERIFY_NO_GL_ERROR(); |
|
|
|
CORRADE_COMPARE(cache.textureSize(), (Vector2i{1024, 2048})); |
|
CORRADE_COMPARE(cache.distanceFieldTextureSize(), (Vector2i{128, 256})); |
|
#ifndef MAGNUM_TARGET_GLES |
|
CORRADE_COMPARE(cache.texture().imageSize(0), (Vector2i{128, 256})); |
|
#endif |
|
} |
|
|
|
void DistanceFieldGlyphCacheGLTest::setImage() { |
|
auto&& data = SetImageData[testCaseInstanceId()]; |
|
setTestCaseDescription(data.name); |
|
|
|
Containers::Pointer<Trade::AbstractImporter> importer; |
|
if(!(importer = _manager.loadAndInstantiate("TgaImporter"))) |
|
CORRADE_SKIP("TgaImporter plugin not found."); |
|
|
|
CORRADE_VERIFY(importer->openFile(Utility::Path::join(TEXTURETOOLS_DISTANCEFIELDGLTEST_DIR, "input.tga"))); |
|
CORRADE_COMPARE(importer->image2DCount(), 1); |
|
Containers::Optional<Trade::ImageData2D> inputImage = importer->image2D(0); |
|
CORRADE_VERIFY(inputImage); |
|
CORRADE_COMPARE(inputImage->format(), PixelFormat::R8Unorm); |
|
CORRADE_COMPARE(inputImage->size(), (Vector2i{256, 256})); |
|
|
|
DistanceFieldGlyphCache cache{data.sourceSize, data.size, 32}; |
|
/* Test also uploading under an offset */ |
|
cache.setImage(data.sourceOffset, *inputImage); |
|
MAGNUM_VERIFY_NO_GL_ERROR(); |
|
|
|
#ifndef MAGNUM_TARGET_GLES |
|
Image2D actual = cache.image(); |
|
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."); |
|
|
|
CORRADE_EXPECT_FAIL_IF(!data.sourceOffset.isZero(), |
|
"The distance field tool is currently broken if a non-zero offset is used."); |
|
CORRADE_COMPARE_WITH(actual.pixels<UnsignedByte>().exceptPrefix(data.offset), |
|
Utility::Path::join(TEXTURETOOLS_DISTANCEFIELDGLTEST_DIR, "output.tga"), |
|
/* Same threshold as in TextureTools DistanceFieldGLTest */ |
|
(DebugTools::CompareImageToFile{_manager, 1.0f, 0.178f})); |
|
#else |
|
CORRADE_SKIP("Skipping image download test as it's not available on GLES."); |
|
#endif |
|
} |
|
|
|
void DistanceFieldGlyphCacheGLTest::setDistanceFieldImage() { |
|
DistanceFieldGlyphCache cache({64, 32}, {16, 8}, 16); |
|
|
|
/* Pick a format that matches the internal texture format. This is rather |
|
shitty, TBH. */ |
|
#if !(defined(MAGNUM_TARGET_GLES) && defined(MAGNUM_TARGET_GLES2)) |
|
const GL::PixelFormat format = GL::PixelFormat::Red; |
|
#else |
|
GL::PixelFormat format; |
|
#ifndef MAGNUM_TARGET_WEBGL |
|
if(GL::Context::current().isExtensionSupported<GL::Extensions::EXT::texture_rg>()) { |
|
format = GL::PixelFormat::Red; |
|
} else |
|
#endif |
|
{ |
|
/* Ugh, don't want to bother implementing this */ |
|
CORRADE_SKIP("A three-component input is expected on ES2, skipping due to developer laziness."); |
|
} |
|
#endif |
|
|
|
/* Clear the texture first, as it'd have random garbage otherwise */ |
|
UnsignedByte zeros[16*8]{}; |
|
cache.setDistanceFieldImage({}, ImageView2D{format, GL::PixelType::UnsignedByte, {16, 8}, zeros}); |
|
MAGNUM_VERIFY_NO_GL_ERROR(); |
|
|
|
UnsignedByte data[]{ |
|
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
|
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, |
|
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
|
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, |
|
}; |
|
cache.setDistanceFieldImage({8, 4}, ImageView2D{format, GL::PixelType::UnsignedByte, {8, 4}, data}); |
|
MAGNUM_VERIFY_NO_GL_ERROR(); |
|
|
|
#ifndef MAGNUM_TARGET_GLES |
|
Image2D actual = cache.image(); |
|
MAGNUM_VERIFY_NO_GL_ERROR(); |
|
|
|
UnsignedByte expected[]{ |
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
|
0, 0, 0, 0, 0, 0, 0, 0, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
|
0, 0, 0, 0, 0, 0, 0, 0, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, |
|
0, 0, 0, 0, 0, 0, 0, 0, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
|
0, 0, 0, 0, 0, 0, 0, 0, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, |
|
}; |
|
CORRADE_COMPARE_AS(actual, |
|
(ImageView2D{PixelFormat::R8Unorm, {16, 8}, expected}), |
|
DebugTools::CompareImage); |
|
#else |
|
CORRADE_SKIP("Skipping image download test as it's not available on GLES."); |
|
#endif |
|
} |
|
|
|
void DistanceFieldGlyphCacheGLTest::setDistanceFieldImageOutOfRange() { |
|
CORRADE_SKIP_IF_NO_ASSERT(); |
|
|
|
DistanceFieldGlyphCache cache{{200, 300}, {100, 200}, 4}; |
|
|
|
/* This is fine. Not testing on ES2 as there it would need the complicated |
|
format logic from above. */ |
|
#if !(defined(MAGNUM_TARGET_GLES) && defined(MAGNUM_TARGET_GLES2)) |
|
cache.setDistanceFieldImage({80, 175}, ImageView2D{PixelFormat::R8Unorm, {20, 25}}); |
|
#endif |
|
|
|
std::ostringstream out; |
|
Error redirectError{&out}; |
|
cache.setDistanceFieldImage({81, 175}, ImageView2D{PixelFormat::R8Unorm, {20, 25}}); |
|
cache.setDistanceFieldImage({80, 176}, ImageView2D{PixelFormat::R8Unorm, {20, 25}}); |
|
cache.setDistanceFieldImage({-1, 175}, ImageView2D{PixelFormat::R8Unorm, {20, 25}}); |
|
cache.setDistanceFieldImage({80, -1}, ImageView2D{PixelFormat::R8Unorm, {20, 25}}); |
|
CORRADE_COMPARE_AS(out.str(), |
|
"Text::DistanceFieldGlyphCache::setDistanceFieldImage(): Range({81, 175}, {101, 200}) out of range for texture size Vector(100, 200)\n" |
|
"Text::DistanceFieldGlyphCache::setDistanceFieldImage(): Range({80, 176}, {100, 201}) out of range for texture size Vector(100, 200)\n" |
|
"Text::DistanceFieldGlyphCache::setDistanceFieldImage(): Range({-1, 175}, {19, 200}) out of range for texture size Vector(100, 200)\n" |
|
"Text::DistanceFieldGlyphCache::setDistanceFieldImage(): Range({80, -1}, {100, 24}) out of range for texture size Vector(100, 200)\n", |
|
TestSuite::Compare::String); |
|
} |
|
|
|
}}}} |
|
|
|
CORRADE_TEST_MAIN(Magnum::Text::Test::DistanceFieldGlyphCacheGLTest)
|
|
|