Create MetalSurface

package/ios/src/AppleFilamentView.h

@@ -10,16 +10,18 @@
 #include "FilamentView.h"
 #include "FilamentMetalView.h"
 #include "SurfaceProvider.h"
+#include "MetalSurfaceProvider.h"
 
 namespace margelo {
 
 class AppleFilamentView : public FilamentView {
 public:
-  explicit AppleFilamentView(FilamentMetalView* view): _view(view) {}
+  explicit AppleFilamentView(FilamentMetalView* view);
 
   std::shared_ptr<SurfaceProvider> getSurfaceProvider() override;
 private:
   FilamentMetalView* _view;
+  std::shared_ptr<MetalSurfaceProvider> _surfaceProvider;
 };
 
 } // namespace margelo

package/ios/src/AppleFilamentView.mm

@@ -6,11 +6,15 @@
 //
 
 #include "AppleFilamentView.h"
+#include "MetalSurfaceProvider.h"
 
 namespace margelo {
 
+AppleFilamentView::AppleFilamentView(FilamentMetalView* view):
+  _view(view), _surfaceProvider(std::make_shared<MetalSurfaceProvider>([view layer])) { }
+
 std::shared_ptr<SurfaceProvider> AppleFilamentView::getSurfaceProvider() {
-  return nullptr;
+  return std::static_pointer_cast<SurfaceProvider>(_surfaceProvider);
 }
 
 }

package/ios/src/FilamentViewManager.mm

@@ -7,7 +7,7 @@ @interface FilamentViewManager : RCTViewManager
 
 @implementation FilamentViewManager
 
-RCT_EXPORT_MODULE(FilamentMetalView)
+RCT_EXPORT_MODULE(FilamentView)
 
 - (FilamentMetalView*)view {
   return [[FilamentMetalView alloc] init];

package/ios/src/MetalSurface.h

@@ -0,0 +1,31 @@
+//
+//  MetalSurface.h
+//  Pods
+//
+//  Created by Marc Rousavy on 22.02.24.
+//
+
+#pragma once
+
+#include "Surface.h"
+#include <Metal/Metal.h>
+
+namespace margelo {
+
+class MetalSurface: public Surface {
+  explicit MetalSurface(CAMetalLayer* layer): _layer(layer) { }
+
+  int getWidth() override {
+    return static_cast<int>(_layer.drawableSize.width);
+  }
+  int getHeight() override {
+    return static_cast<int>(_layer.drawableSize.height);
+  }
+  void* getSurface() override {
+    return (__bridge void*)_layer;
+  }
+private:
+  CAMetalLayer* _layer;
+};
+
+} // namespace margelo

package/ios/src/MetalSurfaceProvider.h

@@ -0,0 +1,29 @@
+//
+//  MetalSurfaceProvider.h
+//  Pods
+//
+//  Created by Marc Rousavy on 22.02.24.
+//
+
+#pragma once
+
+#include "SurfaceProvider.h"
+#include "MetalSurface.h"
+#include <Metal/Metal.h>
+
+namespace margelo {
+
+class MetalSurfaceProvider : public SurfaceProvider {
+  explicit MetalSurfaceProvider(CAMetalLayer* layer): _surface(std::make_shared<MetalSurface>(layer)) {
+    onSurfaceCreated(_surface);
+  }
+
+  std::shared_ptr<Surface> getSurfaceOrNull() override {
+    return _surface;
+  }
+
+private:
+  std::shared_ptr<MetalSurface> _surface;
+};
+
+} // namespace margelo