From d92ad4ef127f6558ec60ae188f76d1bccf8727df Mon Sep 17 00:00:00 2001
From: Nick Fisher <nick.fisher@avinium.com>
Date: Thu, 17 Jul 2025 12:10:55 +0800
Subject: [PATCH] feat: allow passing renderTargetColorTextureFormat via
 ThermionFlutterOptions

---
 ...rmion_flutter_method_channel_platform.dart |  4 ++--
 .../thermion_flutter_platform_interface.dart  | 24 ++++++++++++-------
 2 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/thermion_flutter/thermion_flutter_method_channel/lib/src/thermion_flutter_method_channel_platform.dart b/thermion_flutter/thermion_flutter_method_channel/lib/src/thermion_flutter_method_channel_platform.dart
index 6412f69d..9725dd3a 100644
--- a/thermion_flutter/thermion_flutter_method_channel/lib/src/thermion_flutter_method_channel_platform.dart
+++ b/thermion_flutter/thermion_flutter_method_channel/lib/src/thermion_flutter_method_channel_platform.dart
@@ -212,7 +212,7 @@ class ThermionFlutterMethodChannelPlatform extends ThermionFlutterPlatform {
           TextureUsage.TEXTURE_USAGE_COLOR_ATTACHMENT,
           TextureUsage.TEXTURE_USAGE_SAMPLEABLE,
         },
-        textureFormat: TextureFormat.RGBA32F,
+        textureFormat: options.renderTargetColorTextureFormat,
         textureSamplerType: TextureSamplerType.SAMPLER_2D,
       );
       final depth = await FilamentApp.instance!.createTexture(
@@ -225,7 +225,7 @@ class ThermionFlutterMethodChannelPlatform extends ThermionFlutterPlatform {
           TextureUsage.TEXTURE_USAGE_STENCIL_ATTACHMENT
         },
         textureFormat:
-            TextureFormat.DEPTH24_STENCIL8, // TextureFormat.DEPTH32F,
+            options.renderTargetDepthTextureFormat,
         textureSamplerType: TextureSamplerType.SAMPLER_2D,
       );
 
diff --git a/thermion_flutter/thermion_flutter_platform_interface/lib/thermion_flutter_platform_interface.dart b/thermion_flutter/thermion_flutter_platform_interface/lib/thermion_flutter_platform_interface.dart
index 6a233683..c136c2b8 100644
--- a/thermion_flutter/thermion_flutter_platform_interface/lib/thermion_flutter_platform_interface.dart
+++ b/thermion_flutter/thermion_flutter_platform_interface/lib/thermion_flutter_platform_interface.dart
@@ -7,13 +7,25 @@ import 'thermion_flutter_texture.dart';
 class ThermionFlutterOptions {
   final String? uberarchivePath;
   final Backend? backend;
+  
+  /// The format to use for the default render target color attachment.
+  /// Currently only applicable on iOS/macOS.
+  ///
+  final TextureFormat renderTargetColorTextureFormat;
+
+  /// The format to use for the default render target depth attachment.
+  /// Currently only applicable on iOS/macOS.
+  ///
+  final TextureFormat renderTargetDepthTextureFormat;
 
   const ThermionFlutterOptions(
-      {this.uberarchivePath = null, this.backend = null});
+      {this.uberarchivePath = null,
+      this.backend = null,
+      this.renderTargetColorTextureFormat = TextureFormat.RGBA32F,
+      this.renderTargetDepthTextureFormat = TextureFormat.DEPTH24_STENCIL8});
 }
 
 class ThermionFlutterWebOptions extends ThermionFlutterOptions {
-  
   final bool createCanvas;
   final bool importCanvasAsWidget;
 
@@ -22,8 +34,6 @@ class ThermionFlutterWebOptions extends ThermionFlutterOptions {
       this.createCanvas = true,
       String? uberarchivePath})
       : super(uberarchivePath: uberarchivePath);
-
-
 }
 
 abstract class ThermionFlutterPlatform extends PlatformInterface {
@@ -42,15 +52,11 @@ abstract class ThermionFlutterPlatform extends PlatformInterface {
     _options ??= const ThermionFlutterOptions();
     return _options!;
   }
-  
+
   ///
   ///
   ///
   void setOptions(covariant ThermionFlutterOptions options) {
-    if (_options != null) {
-      throw Exception(
-          "Options can only be set once for the entire app lifecycle.");
-    }
     _options = options;
   }