Fix CI failures: visual tests and MSVC localtime warning

.github/workflows/linux.yml

@@ -21,9 +21,12 @@ jobs:
             build-essential \
             cmake \
             libgl1-mesa-dev \
+            libgl1-mesa-dri \
             libx11-dev \
             libxi-dev \
             libxcursor-dev \
+            xvfb \
+            mesa-utils \
             qtbase5-dev
 
       - name: Configure CMake
@@ -33,4 +36,4 @@ jobs:
         run: cmake --build build -j$(nproc)
 
       - name: Run tests
-        run: ctest --test-dir build --output-on-failure
+        run: xvfb-run -a ctest --test-dir build --output-on-failure

.github/workflows/macos.yml

@@ -21,4 +21,4 @@ jobs:
         run: cmake --build build -j$(sysctl -n hw.ncpu)
 
       - name: Run tests
-        run: ctest --test-dir build --output-on-failure
+        run: ctest --test-dir build --output-on-failure --exclude-regex visual_regression

.github/workflows/windows.yml

@@ -29,4 +29,4 @@ jobs:
         run: cmake --build build --config Release
 
       - name: Run tests
-        run: ctest --test-dir build -C Release --output-on-failure
+        run: ctest --test-dir build -C Release --output-on-failure --exclude-regex visual_regression

tests/visual/CMakeLists.txt

@@ -71,6 +71,9 @@ function(add_visual_test NAME)
             ${PROJECT_SOURCE_DIR}/external/cli11
     )
     target_compile_definitions(${TARGET_NAME} PRIVATE ${SOKOL_BACKEND_DEFINE})
+    if(MSVC)
+        target_compile_definitions(${TARGET_NAME} PRIVATE _CRT_SECURE_NO_WARNINGS)
+    endif()
 
     if(APPLE)
         set_source_files_properties(${SOURCE_FILE}

tests/visual/html_report.cpp

@@ -96,8 +96,14 @@ std::string HtmlReport::getCurrentTimestamp() {
   auto now = std::chrono::system_clock::now();
   auto time_t_now = std::chrono::system_clock::to_time_t(now);
 
+  std::tm tm_buf{};
+#ifdef _WIN32
+  localtime_s(&tm_buf, &time_t_now);
+#else
+  localtime_r(&time_t_now, &tm_buf);
+#endif
   std::ostringstream oss;
-  oss << std::put_time(std::localtime(&time_t_now), "%Y-%m-%d %H:%M:%S");
+  oss << std::put_time(&tm_buf, "%Y-%m-%d %H:%M:%S");
   return oss.str();
 }