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Backends, Examples: removed Emscripten < 4.0.10 support. Removed IMGUI_IMPL_WEBGPU_BACKEND_WGPU. Amends. (#9281, #8381)

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ocornut
2026-03-09 15:46:46 +01:00
parent e92820db2a
commit 83fa0ae263
9 changed files with 16 additions and 96 deletions
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30
examples/example_sdl3_wgpu/main.cpp
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@@ -336,17 +336,6 @@ static WGPUDevice RequestDevice(wgpu::Instance& instance, wgpu::Adapter& adapter
return acquired_device.MoveToCHandle();
}
#elif defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU)
#ifdef __EMSCRIPTEN__
// Adapter and device initialization via JS
EM_ASYNC_JS( void, getAdapterAndDeviceViaJS, (),
{
if (!navigator.gpu)
throw Error("WebGPU not supported.");
const adapter = await navigator.gpu.requestAdapter();
const device = await adapter.requestDevice();
Module.preinitializedWebGPUDevice = device;
} );
#else // __EMSCRIPTEN__
static void handle_request_adapter(WGPURequestAdapterStatus status, WGPUAdapter adapter, WGPUStringView message, void* userdata1, void* userdata2)
{
if (status == WGPURequestAdapterStatus_Success)
@@ -403,7 +392,6 @@ static WGPUDevice RequestDevice(WGPUInstance& instance, WGPUAdapter& adapter)
IM_ASSERT(local_device && "Error on Device request");
return local_device;
}
#endif // __EMSCRIPTEN__
#endif // IMGUI_IMPL_WEBGPU_BACKEND_WGPU
static bool InitWGPU(SDL_Window* window)
@@ -454,23 +442,6 @@ static bool InitWGPU(SDL_Window* window)
instanceDesc.requiredFeatures = &timedWaitAny;
wgpu_instance = wgpuCreateInstance(&instanceDesc);
#ifdef __EMSCRIPTEN__
getAdapterAndDeviceViaJS();
wgpu_device = emscripten_webgpu_get_device();
IM_ASSERT(wgpu_device != nullptr && "Error creating the Device");
WGPUSurfaceDescriptorFromCanvasHTMLSelector html_surface_desc = {};
html_surface_desc.chain.sType = WGPUSType_SurfaceDescriptorFromCanvasHTMLSelector;
html_surface_desc.selector = "#canvas";
WGPUSurfaceDescriptor surface_desc = {};
surface_desc.nextInChain = &html_surface_desc.chain;
// Create the surface.
wgpu_surface = wgpuInstanceCreateSurface(wgpu_instance, &surface_desc);
preferred_fmt = wgpuSurfaceGetPreferredFormat(wgpu_surface, {} /* adapter */);
#else // __EMSCRIPTEN__
wgpuSetLogCallback(
[](WGPULogLevel level, WGPUStringView msg, void* userdata) { fprintf(stderr, "%s: %.*s\n", ImGui_ImplWGPU_GetLogLevelName(level), (int)msg.length, msg.data); }, nullptr
);
@@ -490,7 +461,6 @@ static bool InitWGPU(SDL_Window* window)
wgpuSurfaceGetCapabilities(wgpu_surface, adapter, &surface_capabilities);
preferred_fmt = surface_capabilities.formats[0];
#endif // __EMSCRIPTEN__
#endif // IMGUI_IMPL_WEBGPU_BACKEND_WGPU
wgpu_surface_configuration.presentMode = WGPUPresentMode_Fifo;