From e54ffb963ceaca81d37224ba751b19c70f8aba8c Mon Sep 17 00:00:00 2001
From: iwannabethedev <iwannabethedev@proton.me>
Date: Tue, 2 May 2023 01:06:49 +0200
Subject: [PATCH] extension: Log used renderer.

Log which renderer-backend was actually used in the
browser console.
---
 render/canvas/src/lib.rs               |  4 ++++
 render/src/backend.rs                  |  4 ++++
 render/src/backend/null.rs             |  4 ++++
 render/webgl/src/lib.rs                |  4 ++++
 render/wgpu/src/backend.rs             |  4 ++++
 web/packages/core/src/ruffle-player.ts | 11 +++++++++--
 web/src/lib.rs                         |  5 +++++
 7 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/render/canvas/src/lib.rs b/render/canvas/src/lib.rs
index 79a48cb10689..7cbcc07eb811 100644
--- a/render/canvas/src/lib.rs
+++ b/render/canvas/src/lib.rs
@@ -486,6 +486,10 @@ impl RenderBackend for WebCanvasRenderBackend {
         Cow::Borrowed("Renderer: Canvas")
     }
 
+    fn name(&self) -> &'static str {
+        "canvas"
+    }
+
     fn set_quality(&mut self, _quality: StageQuality) {}
 }
 
diff --git a/render/src/backend.rs b/render/src/backend.rs
index e8056593eaa3..39e72bfe4502 100644
--- a/render/src/backend.rs
+++ b/render/src/backend.rs
@@ -67,6 +67,10 @@ pub trait RenderBackend: Downcast {
     fn context3d_present(&mut self, context: &mut dyn Context3D) -> Result<(), Error>;
 
     fn debug_info(&self) -> Cow<'static, str>;
+    /// An internal name that is used to identify the render-backend.
+    /// For valid values, look at:
+    /// web/packages/core/src/load-options.ts:RenderBackend
+    fn name(&self) -> &'static str;
 
     fn set_quality(&mut self, quality: StageQuality);
 }
diff --git a/render/src/backend/null.rs b/render/src/backend/null.rs
index 1b293c02cb1a..6295290842d5 100644
--- a/render/src/backend/null.rs
+++ b/render/src/backend/null.rs
@@ -93,5 +93,9 @@ impl RenderBackend for NullRenderer {
         Cow::Borrowed("Renderer: Null")
     }
 
+    fn name(&self) -> &'static str {
+        ""
+    }
+
     fn set_quality(&mut self, _quality: StageQuality) {}
 }
diff --git a/render/webgl/src/lib.rs b/render/webgl/src/lib.rs
index 6d1c23d83ab9..08327c43b841 100644
--- a/render/webgl/src/lib.rs
+++ b/render/webgl/src/lib.rs
@@ -1101,6 +1101,10 @@ impl RenderBackend for WebGlRenderBackend {
         Cow::Owned(result.join("\n"))
     }
 
+    fn name(&self) -> &'static str {
+        "webgl"
+    }
+
     fn set_quality(&mut self, _quality: StageQuality) {}
 }
 
diff --git a/render/wgpu/src/backend.rs b/render/wgpu/src/backend.rs
index 18f44a0ee92c..d0effc2a31f9 100644
--- a/render/wgpu/src/backend.rs
+++ b/render/wgpu/src/backend.rs
@@ -378,6 +378,10 @@ impl<T: RenderTarget + 'static> RenderBackend for WgpuRenderBackend<T> {
         Cow::Owned(result.join("\n"))
     }
 
+    fn name(&self) -> &'static str {
+        "webgpu"
+    }
+
     fn set_quality(&mut self, quality: StageQuality) {
         self.surface = Surface::new(
             &self.descriptors,
diff --git a/web/packages/core/src/ruffle-player.ts b/web/packages/core/src/ruffle-player.ts
index 75e0c545b04a..4b3507a6a232 100644
--- a/web/packages/core/src/ruffle-player.ts
+++ b/web/packages/core/src/ruffle-player.ts
@@ -511,10 +511,17 @@ export class RufflePlayer extends HTMLElement {
             this.loadedConfig
         );
         this._cachedDebugInfo = this.instance!.renderer_debug_info();
+
+        const actuallyUsedRendererName = this.instance!.renderer_name();
+
         console.log(
-            "New Ruffle instance created (WebAssembly extensions: " +
+            "%c" +
+                "New Ruffle instance created (WebAssembly extensions: " +
                 (ruffleConstructor.is_wasm_simd_used() ? "ON" : "OFF") +
-                ")"
+                " | Used renderer: " +
+                (actuallyUsedRendererName ?? "") +
+                ")",
+            "background: #37528C; color: #FFAD33"
         );
 
         // In Firefox, AudioContext.state is always "suspended" when the object has just been created.
diff --git a/web/src/lib.rs b/web/src/lib.rs
index da6804fdc8a4..604107047342 100644
--- a/web/src/lib.rs
+++ b/web/src/lib.rs
@@ -378,6 +378,11 @@ impl Ruffle {
             .unwrap_or(JsValue::NULL)
     }
 
+    pub fn renderer_name(&self) -> JsValue {
+        self.with_core(|core| JsValue::from_str(core.renderer().name()))
+            .unwrap_or(JsValue::NULL)
+    }
+
     // after the context menu is closed, remember to call `clear_custom_menu_items`!
     pub fn prepare_context_menu(&mut self) -> JsValue {
         self.with_core_mut(|core| {