extend to support rendering to RenderTarget/OpenGL texture on Linux

linux/CMakeLists.txt

@@ -5,18 +5,35 @@ cmake_minimum_required(VERSION 3.10)
 
 # Project-level configuration.
 set(PROJECT_NAME "polyvox_filament")
-project(${PROJECT_NAME} LANGUAGES CXX)
+project(${PROJECT_NAME})
+
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++ -fPIC -Wno-unused-variable -Wno-unused-function")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC -Wno-unused-variable")
 
 # This value is used when generating builds using this plugin, so it must
 # not be changed.
 set(PLUGIN_NAME "polyvox_filament_plugin")
 
+link_directories("${CMAKE_CURRENT_SOURCE_DIR}/lib") 
+
+add_library(FILAMENT_SHADERS SHARED 
+  "${CMAKE_CURRENT_SOURCE_DIR}/../ios/include/material/image_material.c"
+  "${CMAKE_CURRENT_SOURCE_DIR}/../ios/include/material/unlitopaque.c"  
+)
+
 # Define the plugin library target. Its name must not be changed (see comment
 # on PLUGIN_NAME above).
 #
 # Any new source files that you add to the plugin should be added here.
 add_library(${PLUGIN_NAME} SHARED
   "polyvox_filament_plugin.cc"
+  "filament_texture.cc"
+  "filament_pb_texture.cc"
+  "${CMAKE_CURRENT_SOURCE_DIR}/../ios/src/SceneAssetLoader.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/../ios/src/SceneAsset.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/../ios/src/FilamentViewer.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/../ios/src/PolyvoxFilamentApi.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/../ios/src/StreamBufferAdapter.cpp"
 )
 
 # Apply a standard set of build settings that are configured in the
@@ -31,13 +48,57 @@ set_target_properties(${PLUGIN_NAME} PROPERTIES
   CXX_VISIBILITY_PRESET hidden)
 target_compile_definitions(${PLUGIN_NAME} PRIVATE FLUTTER_PLUGIN_IMPL)
 
+target_compile_features(${PLUGIN_NAME} PRIVATE cxx_std_17)
+
 # Source include directories and library dependencies. Add any plugin-specific
 # dependencies here.
 target_include_directories(${PLUGIN_NAME} INTERFACE
   "${CMAKE_CURRENT_SOURCE_DIR}/include")
+
+include_directories(../ios/src)
+include_directories(../ios/include)
+include_directories(../example/linux)
+
 target_link_libraries(${PLUGIN_NAME} PRIVATE flutter)
 target_link_libraries(${PLUGIN_NAME} PRIVATE PkgConfig::GTK)
 
+
+target_link_libraries(${PLUGIN_NAME} PRIVATE
+  FILAMENT_SHADERS
+  geometry 
+  filament 
+  backend 
+  geometry 
+  filameshio 
+  viewer 
+  filamat 
+  utils 
+  filabridge 
+  gltfio_core 
+  filament-iblprefilter 
+  image 
+  camutils 
+  filaflat 
+  dracodec 
+  ibl 
+  ktxreader 
+  image
+  imageio
+  tinyexr
+  stb  
+  EGL 
+  bluevk 
+  vkshaders 
+  bluegl 
+  uberzlib 
+  smol-v 
+  uberarchive 
+  meshoptimizer
+  mathio
+  -l:libmath.a
+  geometry 
+)
+
 # List of absolute paths to libraries that should be bundled with the plugin.
 # This list could contain prebuilt libraries, or libraries created by an
 # external build triggered from this build file.