From 1546cc234a61d731e45bd85a718587f60ca168d0 Mon Sep 17 00:00:00 2001
From: Ashley Ruglys <ashley.ruglys@gmail.com>
Date: Fri, 20 May 2022 17:05:56 +0200
Subject: [PATCH 1/5] Add multiview ext

---
 Cargo.toml     |  1 +
 src/web_sys.rs | 34 ++++++++++++++++++++++++++++++++--
 2 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 0793e7f..262e495 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -93,6 +93,7 @@ features = [
   "WebglDepthTexture",
   "WebglDrawBuffers",
   "WebglLoseContext",
+  "OvrMultiview2",
 ]
 
 [workspace]
diff --git a/src/web_sys.rs b/src/web_sys.rs
index 7e70867..0b3a0b6 100644
--- a/src/web_sys.rs
+++ b/src/web_sys.rs
@@ -40,7 +40,7 @@ struct Extensions {
     pub oes_texture_half_float: Option<web_sys::OesTextureHalfFloat>,
     pub oes_texture_half_float_linear: Option<web_sys::OesTextureHalfFloatLinear>,
     pub oes_vertex_array_object: Option<web_sys::OesVertexArrayObject>,
-    pub ovr_multiview2: Option<()>,
+    pub ovr_multiview2: Option<web_sys::OvrMultiview2>,
     pub webgl_color_buffer_float: Option<web_sys::WebglColorBufferFloat>,
     pub webgl_compressed_texture_astc: Option<web_sys::WebglCompressedTextureAstc>,
     pub webgl_compressed_texture_etc: Option<web_sys::WebglCompressedTextureEtc>,
@@ -181,7 +181,7 @@ macro_rules! build_extensions {
                 &$context,
                 "OES_vertex_array_object",
             ),
-            ovr_multiview2: get_extension_no_object(&$context, "OVR_multiview2"),
+            ovr_multiview2: get_extension::<web_sys::OvrMultiview2>(&$context, "OVR_multiview2"),
             webgl_color_buffer_float: get_extension::<web_sys::WebglColorBufferFloat>(
                 &$context,
                 "WEBGL_color_buffer_float",
@@ -705,6 +705,36 @@ impl Context {
             }
         }
     }
+
+    pub unsafe fn framebuffer_texture_multiview_ovr(
+        &self,
+        target: u32,
+        attachment: u32,
+        texture: Option<<Self as HasContext>::Texture>,
+        level: i32,
+        base_view_index: i32,
+        num_views: i32,
+    ) {
+        let textures = self.textures.borrow();
+        let raw_texture = texture.map(|t| textures.get_unchecked(t));
+        match self.raw {
+            RawRenderingContext::WebGl1(ref _gl) => {
+                panic!("OVR_multiview2 is not supported in WebGL1")
+            }
+            RawRenderingContext::WebGl2(ref gl) => {
+                if let Some(ext) = &self.extensions.ovr_multiview2 {
+                    ext.framebuffer_texture_multiview_ovr(
+                        target,
+                        attachment,
+                        raw_texture,
+                        level,
+                        base_view_index,
+                        num_views,
+                    );
+                }
+            }
+        }
+    }
 }
 
 new_key_type! { pub struct WebShaderKey; }

From c4141c91b34d3631544c4c2cde39fe5305dc6fd0 Mon Sep 17 00:00:00 2001
From: Ashley Ruglys <ashley.ruglys@gmail.com>
Date: Fri, 20 May 2022 19:26:23 +0200
Subject: [PATCH 2/5] patch wasm-bindgen

---
 Cargo.toml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Cargo.toml b/Cargo.toml
index 262e495..c32c6b5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -101,3 +101,8 @@ members = [
   "examples/hello",
   "examples/howto",
 ]
+
+[patch.crates-io]
+web-sys = { git = "https://github.com/rustwasm/wasm-bindgen" }
+js-sys = { git = "https://github.com/rustwasm/wasm-bindgen" }
+wasm-bindgen = { git = "https://github.com/rustwasm/wasm-bindgen" }
\ No newline at end of file

From 7c2e009ba729cb8530278c399129bf3a3af70ab9 Mon Sep 17 00:00:00 2001
From: Ashley Ruglys <ashley.ruglys@gmail.com>
Date: Fri, 20 May 2022 19:27:17 +0200
Subject: [PATCH 3/5] Add newline

---
 Cargo.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index c32c6b5..527a9ed 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -105,4 +105,4 @@ members = [
 [patch.crates-io]
 web-sys = { git = "https://github.com/rustwasm/wasm-bindgen" }
 js-sys = { git = "https://github.com/rustwasm/wasm-bindgen" }
-wasm-bindgen = { git = "https://github.com/rustwasm/wasm-bindgen" }
\ No newline at end of file
+wasm-bindgen = { git = "https://github.com/rustwasm/wasm-bindgen" }

From a92e0b76e37816a9b14b7f5a88ee09282f2e796f Mon Sep 17 00:00:00 2001
From: Ashley Ruglys <ashley.ruglys@gmail.com>
Date: Fri, 20 May 2022 19:51:00 +0200
Subject: [PATCH 4/5] Mark unused variable with _

---
 src/web_sys.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/web_sys.rs b/src/web_sys.rs
index 0b3a0b6..f98ee7e 100644
--- a/src/web_sys.rs
+++ b/src/web_sys.rs
@@ -721,7 +721,7 @@ impl Context {
             RawRenderingContext::WebGl1(ref _gl) => {
                 panic!("OVR_multiview2 is not supported in WebGL1")
             }
-            RawRenderingContext::WebGl2(ref gl) => {
+            RawRenderingContext::WebGl2(ref _gl) => {
                 if let Some(ext) = &self.extensions.ovr_multiview2 {
                     ext.framebuffer_texture_multiview_ovr(
                         target,

From 91bc259992490861a67ae25673b525fe00814a56 Mon Sep 17 00:00:00 2001
From: Ashley Ruglys <ashley.ruglys@gmail.com>
Date: Thu, 30 Jun 2022 18:42:23 +0200
Subject: [PATCH 5/5] Update tilde web-sys requirement

---
 Cargo.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index 262e495..291e565 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,7 +39,7 @@ wasm-bindgen = "~0.2"
 slotmap = "1"
 
 [target.'cfg(target_arch = "wasm32")'.dependencies.web_sys]
-version = "~0.3.37"
+version = "~0.3.58"
 package = "web-sys"
 features = [
   "Document",