From 91d87a1c11020ac48d896fee0874c70edce13cbf Mon Sep 17 00:00:00 2001
From: Pablo Escobar <mail@rvrs.in>
Date: Wed, 25 Aug 2021 17:47:05 +0200
Subject: [PATCH] KtxImageConverter: fix DFD file reading in tests under
 Emscripten

---
 src/MagnumPlugins/KtxImageConverter/Test/CMakeLists.txt   | 3 ++-
 .../KtxImageConverter/Test/KtxImageConverterTest.cpp      | 8 +++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/MagnumPlugins/KtxImageConverter/Test/CMakeLists.txt b/src/MagnumPlugins/KtxImageConverter/Test/CMakeLists.txt
index 02813c03a..68dcb3569 100644
--- a/src/MagnumPlugins/KtxImageConverter/Test/CMakeLists.txt
+++ b/src/MagnumPlugins/KtxImageConverter/Test/CMakeLists.txt
@@ -49,7 +49,7 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/configure.h.cmake
 file(GENERATE OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/configure.h
     INPUT ${CMAKE_CURRENT_BINARY_DIR}/configure.h.in)
 
-file(GLOB DFD_FILES "dfd/*.dfd")
+file(GLOB DFD_FILES "${CMAKE_CURRENT_SOURCE_DIR}/dfd/*.dfd")
 corrade_add_test(KtxImageConverterTest KtxImageConverterTest.cpp
     LIBRARIES Magnum::Trade
     FILES
@@ -89,6 +89,7 @@ corrade_add_test(KtxImageConverterTest KtxImageConverterTest.cpp
         ${PROJECT_SOURCE_DIR}/src/MagnumPlugins/KtxImporter/Test/2d-compressed-mipmaps-mip2.bin
         ${PROJECT_SOURCE_DIR}/src/MagnumPlugins/KtxImporter/Test/2d-compressed-mipmaps-mip3.bin
         ${PROJECT_SOURCE_DIR}/src/MagnumPlugins/KtxImporter/Test/3d.ktx2
+        ${PROJECT_SOURCE_DIR}/src/MagnumPlugins/KtxImporter/Test/3d-mipmaps.ktx2
         ${PROJECT_SOURCE_DIR}/src/MagnumPlugins/KtxImporter/Test/3d-compressed.ktx2
         ${PROJECT_SOURCE_DIR}/src/MagnumPlugins/KtxImporter/Test/3d-compressed.bin
         ${PROJECT_SOURCE_DIR}/src/MagnumPlugins/KtxImporter/Test/3d-compressed-mipmaps.ktx2
diff --git a/src/MagnumPlugins/KtxImageConverter/Test/KtxImageConverterTest.cpp b/src/MagnumPlugins/KtxImageConverter/Test/KtxImageConverterTest.cpp
index 091a84196..904a83d82 100644
--- a/src/MagnumPlugins/KtxImageConverter/Test/KtxImageConverterTest.cpp
+++ b/src/MagnumPlugins/KtxImageConverter/Test/KtxImageConverterTest.cpp
@@ -359,8 +359,14 @@ KtxImageConverterTest::KtxImageConverterTest() {
     CORRADE_INTERNAL_ASSERT_OUTPUT(_importerManager.load(KTXIMPORTER_PLUGIN_FILENAME) & PluginManager::LoadState::Loaded);
     #endif
 
-    /* Map VkFormat to DFD test file. The VkFormat value is in the file name. */
+    #ifdef CORRADE_TARGET_EMSCRIPTEN
+    /* Test files are embedded into the root of the virtual filesystem */
+    const std::string folder = KTXIMAGECONVERTER_TEST_DIR;
+    #else
     const std::string folder = Utility::Directory::join(KTXIMAGECONVERTER_TEST_DIR, "dfd");
+    #endif
+
+    /* Map VkFormat to DFD test file. The VkFormat value is in the file name. */
     const auto files = Utility::Directory::list(folder, Utility::Directory::Flag::SkipDirectories | Utility::Directory::Flag::SkipSpecial);
     CORRADE_INTERNAL_ASSERT(!files.empty());
     for(const auto& f: files) {