From 044774dcee440f080e3837a8165a1a17f4c90caf Mon Sep 17 00:00:00 2001
From: Sebastian Emanuel Dawid <sdawid@techfak.uni-bielefeld.de>
Date: Mon, 29 Sep 2025 14:40:31 +0200
Subject: [PATCH] Provide weak default implementation for
 `wgpuInstanceCreateSurface`

---
 examples/triangle-webgpu.c | 10 +++++++++-
 src/internal.h             |  4 +++-
 src/webgpu.c               |  7 +++++++
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/examples/triangle-webgpu.c b/examples/triangle-webgpu.c
index c31131221..960515095 100644
--- a/examples/triangle-webgpu.c
+++ b/examples/triangle-webgpu.c
@@ -73,8 +73,16 @@ int main(void)
         exit(EXIT_FAILURE);
     }
 
-    WGPUAdapter adapter;
     WGPUSurface surface = glfwCreateWindowWGPUSurface(instance, window);
+    if (!surface)
+    {
+        fprintf(stderr, "Error: Failed to create WebGPU surface.\n");
+        wgpuInstanceRelease(instance);
+        glfwDestroyWindow(window);
+        glfwTerminate();
+        exit(EXIT_FAILURE);
+    }
+    WGPUAdapter adapter;
     WGPUDevice device;
     WGPUQueue queue;
     bool success = false;
diff --git a/src/internal.h b/src/internal.h
index 8037f1d31..eaedb1c68 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -367,7 +367,9 @@ typedef struct WGPUSurfaceDescriptor
     WGPUStringView label;
 } WGPUSurfaceDescriptor;
 
-extern WGPUSurface wgpuInstanceCreateSurface(WGPUInstance instance, const WGPUSurfaceDescriptor* descriptor) __attribute((weak));
+#if !defined(_MSC_VER)
+WGPUSurface __attribute__((weak)) wgpuInstanceCreateSurface(WGPUInstance instance, const WGPUSurfaceDescriptor* descriptor);
+#endif
 
 #include "platform.h"
 
diff --git a/src/webgpu.c b/src/webgpu.c
index 09bbe375f..5af24b411 100644
--- a/src/webgpu.c
+++ b/src/webgpu.c
@@ -29,6 +29,13 @@
 #include <assert.h>
 #include <stdlib.h>
 
+#if !defined(_MSC_VER)
+WGPUSurface __attribute__((weak)) wgpuInstanceCreateSurface(WGPUInstance instance, const WGPUSurfaceDescriptor* descriptor)
+{
+    return NULL;
+}
+#endif
+
 GLFWAPI WGPUSurface glfwCreateWindowWGPUSurface(WGPUInstance instance, GLFWwindow* handle)
 {
     _GLFW_REQUIRE_INIT_OR_RETURN(NULL)