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update dear imgui from 1.92.6-docking to 1.92.7-docking

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This commit is contained in:
Sven Balzer
2026-04-02 20:22:14 +02:00
parent b549728a24
commit 85d1832a0c
40 changed files with 1823 additions and 1130 deletions
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libs/imgui/examples/example_sdl3_wgpu/main.cpp
+27 -44
View File
@@ -20,9 +20,6 @@
#ifdef __EMSCRIPTEN__
#include <emscripten.h>
#include <emscripten/html5.h>
#if defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU)
#include <emscripten/html5_webgpu.h>
#endif
#include "../libs/emscripten/emscripten_mainloop_stub.h"
#endif
@@ -64,6 +61,8 @@ int main(int, char**)
// Create SDL window graphics context
float main_scale = SDL_GetDisplayContentScale(SDL_GetPrimaryDisplay());
SDL_WindowFlags window_flags = SDL_WINDOW_RESIZABLE;
wgpu_surface_width = (int)(wgpu_surface_width * main_scale);
wgpu_surface_height = (int)(wgpu_surface_height * main_scale);
SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+WebGPU example", wgpu_surface_width, wgpu_surface_height, window_flags);
if (window == nullptr)
{
@@ -338,20 +337,10 @@ static WGPUDevice RequestDevice(wgpu::Instance& instance, wgpu::Adapter& adapter
IM_ASSERT(acquired_device != nullptr && waitStatusDevice == wgpu::WaitStatus::Success && "Error on Device request");
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__
#elif defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU) || defined(IMGUI_IMPL_WEBGPU_BACKEND_WGVK)
static void handle_request_adapter(WGPURequestAdapterStatus status, WGPUAdapter adapter, WGPUStringView message, void* userdata1, void* userdata2)
{
IM_UNUSED(userdata2);
if (status == WGPURequestAdapterStatus_Success)
{
WGPUAdapter* extAdapter = (WGPUAdapter*)userdata1;
@@ -365,6 +354,7 @@ static void handle_request_adapter(WGPURequestAdapterStatus status, WGPUAdapter
static void handle_request_device(WGPURequestDeviceStatus status, WGPUDevice device, WGPUStringView message, void* userdata1, void* userdata2)
{
IM_UNUSED(userdata2);
if (status == WGPURequestDeviceStatus_Success)
{
WGPUDevice* extDevice = (WGPUDevice*)userdata1;
@@ -380,27 +370,32 @@ static WGPUAdapter RequestAdapter(WGPUInstance& instance)
{
WGPURequestAdapterOptions adapter_options = {};
WGPUAdapter local_adapter;
WGPUAdapter local_adapter = nullptr;
WGPURequestAdapterCallbackInfo adapterCallbackInfo = {};
adapterCallbackInfo.mode = WGPUCallbackMode_WaitAnyOnly;
adapterCallbackInfo.callback = handle_request_adapter;
adapterCallbackInfo.userdata1 = &local_adapter;
wgpuInstanceRequestAdapter(instance, &adapter_options, adapterCallbackInfo);
WGPUFuture future = wgpuInstanceRequestAdapter(instance, &adapter_options, adapterCallbackInfo);
WGPUFutureWaitInfo waitInfo = { future, false };
wgpuInstanceWaitAny(instance, 1, &waitInfo, ~0ull);
IM_ASSERT(local_adapter && "Error on Adapter request");
return local_adapter;
}
static WGPUDevice RequestDevice(WGPUAdapter& adapter)
static WGPUDevice RequestDevice(WGPUInstance& instance, WGPUAdapter& adapter)
{
WGPUDevice local_device;
WGPUDevice local_device = nullptr;
WGPURequestDeviceCallbackInfo deviceCallbackInfo = {};
deviceCallbackInfo.mode = WGPUCallbackMode_WaitAnyOnly;
deviceCallbackInfo.callback = handle_request_device;
deviceCallbackInfo.userdata1 = &local_device;
wgpuAdapterRequestDevice(adapter, nullptr, deviceCallbackInfo);
WGPUFuture future = wgpuAdapterRequestDevice(adapter, nullptr, deviceCallbackInfo);
WGPUFutureWaitInfo waitInfo = { future, false };
wgpuInstanceWaitAny(instance, 1, &waitInfo, ~0ull);
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)
@@ -444,35 +439,24 @@ static bool InitWGPU(SDL_Window* window)
preferred_fmt = surface_capabilities.formats[0];
// WGPU backend: Adapter and Device acquisition, Surface creation
#elif defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU)
wgpu_instance = wgpuCreateInstance(nullptr);
#elif defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU) || defined(IMGUI_IMPL_WEBGPU_BACKEND_WGVK)
WGPUInstanceDescriptor instanceDesc = {};
WGPUInstanceFeatureName timedWaitAny = WGPUInstanceFeatureName_TimedWaitAny;
instanceDesc.requiredFeatureCount = 1;
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__
#if defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU)
wgpuSetLogCallback(
[](WGPULogLevel level, WGPUStringView msg, void* userdata) { fprintf(stderr, "%s: %.*s\n", ImGui_ImplWGPU_GetLogLevelName(level), (int)msg.length, msg.data); }, nullptr
);
wgpuSetLogLevel(WGPULogLevel_Warn);
#endif
WGPUAdapter adapter = RequestAdapter(wgpu_instance);
ImGui_ImplWGPU_DebugPrintAdapterInfo(adapter);
wgpu_device = RequestDevice(adapter);
wgpu_device = RequestDevice(wgpu_instance, adapter);
// Create the surface.
wgpu_surface = CreateWGPUSurface(wgpu_instance, window);
@@ -483,7 +467,6 @@ 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;
@@ -513,7 +496,7 @@ static bool InitWGPU(SDL_Window* window)
#include <windows.h>
#endif
static WGPUSurface CreateWGPUSurface(const WGPUInstance& instance, SDL_Window* window)
WGPUSurface CreateWGPUSurface(const WGPUInstance& instance, SDL_Window* window)
{
SDL_PropertiesID propertiesID = SDL_GetWindowProperties(window);
@@ -549,7 +532,7 @@ static WGPUSurface CreateWGPUSurface(const WGPUInstance& instance, SDL_Window* w
}
#else
#error "Unsupported WebGPU native platform!"
#endif
return nullptr;
#endif
}
#endif // #ifndef __EMSCRIPTEN__