initial work to split into dart_filament and flutter_filament

flutter_filament/windows/flutter_filament_plugin.h

@@ -0,0 +1,71 @@
+#ifndef FLUTTER_PLUGIN_FLUTTER_FILAMENT_PLUGIN_H_
+#define FLUTTER_PLUGIN_FLUTTER_FILAMENT_PLUGIN_H_
+
+#include <flutter/method_channel.h>
+#include <flutter/plugin_registrar_windows.h>
+
+#include <chrono>
+#include <memory>
+#include <mutex>
+
+#include <Windows.h>
+#include <wrl.h>
+
+#include "GL/GL.h"
+#include "GL/GLu.h"
+
+#include "FlutterFilamentApi.h"
+
+#if USE_ANGLE
+#include "egl_context.h"
+#else
+#include "wgl_context.h"
+#endif
+
+namespace flutter_filament {
+
+class FlutterFilamentPlugin : public flutter::Plugin {
+public:
+  static void RegisterWithRegistrar(flutter::PluginRegistrarWindows *registrar);
+
+  FlutterFilamentPlugin(flutter::TextureRegistrar *textureRegistrar,
+                        flutter::PluginRegistrarWindows *registrar,
+                        std::unique_ptr<flutter::MethodChannel<flutter::EncodableValue>>& channel);
+  virtual ~FlutterFilamentPlugin();
+
+  // Disallow copy and assign.
+  FlutterFilamentPlugin(const FlutterFilamentPlugin &) = delete;
+  FlutterFilamentPlugin &operator=(const FlutterFilamentPlugin &) = delete;
+
+  // Called when a method is called on this plugin's channel from Dart.
+  void HandleMethodCall(
+      const flutter::MethodCall<flutter::EncodableValue> &method_call,
+      std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> result);
+
+  flutter::PluginRegistrarWindows *_pluginRegistrar;
+  flutter::TextureRegistrar *_textureRegistrar;
+  std::unique_ptr<flutter::MethodChannel<flutter::EncodableValue>> _channel;
+  std::map<uint32_t, ResourceBuffer> _resources;
+ 
+  void CreateTexture(
+      const flutter::MethodCall<flutter::EncodableValue> &methodCall,
+      std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> result);
+  void DestroyTexture(
+    const flutter::MethodCall<flutter::EncodableValue> &methodCall,
+      std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> result);
+  void RenderCallback();
+
+  ResourceBuffer loadResource(const char *path);
+  void freeResource(ResourceBuffer rbuf);
+
+  private:
+    #ifdef USE_ANGLE
+    std::unique_ptr<FlutterEGLContext> _context = nullptr;
+    #else 
+    std::unique_ptr<WGLContext> _context = nullptr;
+    #endif
+};
+
+} // namespace flutter_filament
+
+#endif // FLUTTER_PLUGIN_FLUTTER_FILAMENT_PLUGIN_H_