Function requestDeviceCallback

engine/graphics/src/webgpu/graphics_webgpu.cpp:1087–1139

static void requestDeviceCallback(WGPURequestDeviceStatus status, WGPUDevice device, WGPUStringView message, void* userdata, void *)
#else
static void requestDeviceCallback(WGPURequestDeviceStatus status, WGPUDevice device, const char* message, void* userdata)
#endif
{
    TRACE_CALL;
    WebGPUContext* context = (WebGPUContext*)userdata;
    if (device)
    {
        context->m_Device = device;
        wgpuDeviceGetLimits(context->m_Device, &context->m_DeviceLimits);
        context->m_Queue = wgpuDeviceGetQueue(context->m_Device);
        {
#if defined(DM_GRAPHICS_WEBGPU2)
            WGPUSurfaceDescriptor surface_desc = WGPU_SURFACE_DESCRIPTOR_INIT;
#if defined(__EMSCRIPTEN__)
            WGPUEmscriptenSurfaceSourceCanvasHTMLSelector selector = WGPU_EMSCRIPTEN_SURFACE_SOURCE_CANVAS_HTML_SELECTOR_INIT;
            selector.selector.data                                 = "#canvas";
            selector.selector.length                               = 7;
            surface_desc.nextInChain                               = (WGPUChainedStruct*)&selector;
#endif
#else
            WGPUSurfaceDescriptor surface_desc = {};
#if defined(__EMSCRIPTEN__)
            WGPUSurfaceDescriptorFromCanvasHTMLSelector selector = { { surface_desc.nextInChain, WGPUSType_SurfaceDescriptorFromCanvasHTMLSelector }, "#canvas" };
            surface_desc.nextInChain                             = (WGPUChainedStruct*)&selector;
#endif
#endif
            context->m_Surface = wgpuInstanceCreateSurface(context->m_Instance, &surface_desc);
        }
#if defined(DM_GRAPHICS_WEBGPU2)
        {
            WGPUSurfaceCapabilities capabilities = WGPU_SURFACE_CAPABILITIES_INIT;
            wgpuSurfaceGetCapabilities(context->m_Surface, context->m_Adapter, &capabilities);
            assert(capabilities.formatCount > 0);
            context->m_Format = capabilities.formats[0];
            wgpuSurfaceCapabilitiesFreeMembers(capabilities);
        }
#else
        context->m_Format = wgpuSurfaceGetPreferredFormat(context->m_Surface, context->m_Adapter);
#endif
        WebGPUConfigure(context, context->m_OriginalWidth, context->m_OriginalHeight);

        dmLogInfo("WebGPU: Created device");
    }
    else
    {
#if defined(DM_GRAPHICS_WEBGPU2)
        dmLogError("WebGPU: Unable to create device %s", message.data ? message.data : "unknown");
#else
        dmLogError("WebGPU: Unable to create device %s", message);
#endif
    }
    context->m_InitComplete = true;
}

#if defined(DM_GRAPHICS_WEBGPU2)
static void instanceRequestAdapterCallback(WGPURequestAdapterStatus status, WGPUAdapter adapter, WGPUStringView message, void* userdata, void *)