Create EngineWrapper

margelo · Feb 21, 2024 · f92dfec · f92dfec
1 parent d8ad127
commit f92dfec
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Showing 3 changed files with 21 additions and 4 deletions.
diff --git a/package/cpp/FilamentProxy.cpp b/package/cpp/FilamentProxy.cpp
@@ -9,6 +9,7 @@
 #include <memory>
 #include <string>
 #include <vector>
+#include "core/EngineWrapper.h"
 
 namespace margelo {
 
@@ -17,7 +18,8 @@ using namespace facebook;
 std::vector<jsi::PropNameID> FilamentProxy::getPropertyNames(jsi::Runtime& runtime) {
   std::vector<jsi::PropNameID> result;
   // TODO(hanno): add more methods here?
-  result.push_back(jsi::PropNameID::forUtf8(runtime, std::string("loadModel")));
+    result.push_back(jsi::PropNameID::forUtf8(runtime, std::string("loadModel")));
+    result.push_back(jsi::PropNameID::forUtf8(runtime, std::string("createEngine")));
   return result;
 }
 
@@ -42,6 +44,21 @@ jsi::Value FilamentProxy::get(jsi::Runtime& runtime, const jsi::PropNameID& prop
           });
         });
   }
+    if (name == "createEngine") {
+        return jsi::Function::createFromHostFunction(
+                runtime, jsi::PropNameID::forUtf8(runtime, "createEngine"), 1,
+                [this](jsi::Runtime& runtime, const jsi::Value& thisValue, const jsi::Value* arguments, size_t count) -> jsi::Value {
+                    if (count != 1) {
+                        [[unlikely]];
+                        throw jsi::JSError(runtime, "createEngine: Expected 1 argument(s), but received " + std::to_string(count) + "!");
+                    }
+                    std::string backend = arguments[0].asString(runtime).utf8(runtime);
+                    // TODO: Parse backend from string
+                    EngineWrapper engine(filament::Engine::Backend::OPENGL);
+
+                    return jsi::Value(13);
+                });
+    }
 
   return jsi::Value::undefined();
 }

diff --git a/package/cpp/core/EngineWrapper.cpp b/package/cpp/core/EngineWrapper.cpp
@@ -9,8 +9,8 @@
 
 namespace margelo {
 
-EngineWrapper::EngineWrapper() {
-    _engine = Engine::create(filament::Engine::Backend::OPENGL);
+EngineWrapper::EngineWrapper(filament::Engine::Backend backend) {
+    _engine = Engine::create(backend);
 }
 
 EngineWrapper::~EngineWrapper() {

diff --git a/package/cpp/core/EngineWrapper.h b/package/cpp/core/EngineWrapper.h
@@ -15,7 +15,7 @@ using namespace filament;
 
 class EngineWrapper {
 public:
-    explicit EngineWrapper();
+    explicit EngineWrapper(filament::Engine::Backend backend);
     ~EngineWrapper();
 
     void setSurfaceProvider(std::shared_ptr<SurfaceProvider> surfaceProvider);