Add MSAA support for WebXR

2 files changed, 33 insertions, 0 deletions

diff --git a/platform/web/js/libs/library_godot_webgl2.externs.js b/platform/web/js/libs/library_godot_webgl2.externs.js
index 18d8d0815a..99190ab009 100644
--- a/platform/web/js/libs/library_godot_webgl2.externs.js
+++ b/platform/web/js/libs/library_godot_webgl2.externs.js
@@ -34,3 +34,19 @@ OVR_multiview2.prototype.FRAMEBUFFER_INCOMPLETE_VIEW_TARGETS_OVR;
  * @return {void}
  */
 OVR_multiview2.prototype.framebufferTextureMultiviewOVR = function(target, attachment, texture, level, baseViewIndex, numViews) {};
+
+/**
+ * @constructor OCULUS_multiview
+ */
+function OCULUS_multiview() {}
+
+/**
+ * @param {number} target
+ * @param {number} attachment
+ * @param {WebGLTexture} texture
+ * @param {number} level
+ * @param {number} baseViewIndex
+ * @param {number} numViews
+ * @return {void}
+ */
+OCULUS_multiview.prototype.framebufferTextureMultisampleMultiviewOVR = function(target, attachment, texture, level, samples, baseViewIndex, numViews) {};
diff --git a/platform/web/js/libs/library_godot_webgl2.js b/platform/web/js/libs/library_godot_webgl2.js
index dbaec9f01b..005b4b7917 100644
--- a/platform/web/js/libs/library_godot_webgl2.js
+++ b/platform/web/js/libs/library_godot_webgl2.js
@@ -61,6 +61,23 @@ const GodotWebGL2 = {
 		const /** OVR_multiview2 */ ext = context.multiviewExt;
 		ext.framebufferTextureMultiviewOVR(target, attachment, GL.textures[texture], level, base_view_index, num_views);
 	},
+
+	godot_webgl2_glFramebufferTextureMultisampleMultiviewOVR__deps: ['emscripten_webgl_get_current_context'],
+	godot_webgl2_glFramebufferTextureMultisampleMultiviewOVR__proxy: 'sync',
+	godot_webgl2_glFramebufferTextureMultisampleMultiviewOVR__sig: 'viiiiiii',
+	godot_webgl2_glFramebufferTextureMultisampleMultiviewOVR: function (target, attachment, texture, level, samples, base_view_index, num_views) {
+		const context = GL.currentContext;
+		if (typeof context.oculusMultiviewExt === 'undefined') {
+			const /** OCULUS_multiview */ ext = context.GLctx.getExtension('OCULUS_multiview');
+			if (!ext) {
+				GodotRuntime.error('Trying to call glFramebufferTextureMultisampleMultiviewOVR() without the OCULUS_multiview extension');
+				return;
+			}
+			context.oculusMultiviewExt = ext;
+		}
+		const /** OCULUS_multiview */ ext = context.oculusMultiviewExt;
+		ext.framebufferTextureMultisampleMultiviewOVR(target, attachment, GL.textures[texture], level, samples, base_view_index, num_views);
+	},
 };
 
 autoAddDeps(GodotWebGL2, '$GodotWebGL2');