add OpenMP back

Author: ZzzhHe

cmake/3rd.cmake

@@ -261,4 +261,14 @@ find_package(assimp REQUIRED)
 if (NOT assimp_FOUND)
     message(FATAL_ERROR "assimp not found.\n"
             "Following https://github.com/assimp/assimp to install.")
+endif () 
+
+find_package(OpenMP REQUIRED)
+if (APPLE)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L${OPENMP_LIBRARIES} -lomp")
+endif ()
+if (NOT OpenMP_FOUND)
+    message(FATAL_ERROR "OpenMP not found. Please install OpenMP.")
 endif ()

cmake/compile_config.cmake

@@ -20,5 +20,6 @@ list(APPEND DEFAULT_LINK_LIB
         glm::glm
         ${glog_LIBRARIES}
         SDL2::SDL2
+        OpenMP::OpenMP_CXX
         assimp
 )

src/simple_renderer.cpp

@@ -61,7 +61,7 @@ bool SimpleRenderer::render(const Model &model) {
   SPDLOG_INFO("render model: {}", model.modelPath());
   auto shader = DefaultShader();
   auto light = Light();
-  DrawModel(shader, light, model, 0, 1);
+  DrawModel(shader, light, model, 1, 0);
   return true;
 }