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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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backends/imgui_impl_wgpu.cpp
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@@ -20,6 +20,7 @@
// CHANGELOG // CHANGELOG
// (minor and older changes stripped away, please see git history for details) // (minor and older changes stripped away, please see git history for details)
// 2026-03-09: Removed support for Emscripten < 4.0.10. (#9281)
// 2025-10-16: Update to compile with Dawn and Emscripten's 4.0.10+ '--use-port=emdawnwebgpu' ports. (#8381, #8898) // 2025-10-16: Update to compile with Dawn and Emscripten's 4.0.10+ '--use-port=emdawnwebgpu' ports. (#8381, #8898)
// 2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown. // 2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
// 2025-06-12: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas. (#8465) // 2025-06-12: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas. (#8465)
@@ -58,6 +59,9 @@
#if defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN) == defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU) #if defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN) == defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU)
#error Exactly one of IMGUI_IMPL_WEBGPU_BACKEND_DAWN or IMGUI_IMPL_WEBGPU_BACKEND_WGPU must be defined! #error Exactly one of IMGUI_IMPL_WEBGPU_BACKEND_DAWN or IMGUI_IMPL_WEBGPU_BACKEND_WGPU must be defined!
#endif #endif
#if defined(__EMSCRIPTEN__) && defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU)
#error Emscripten <4.0.10 with '-sUSE_WEBGPU=1' is not supported anymore.
#endif
#ifdef IMGUI_IMPL_WEBGPU_BACKEND_DAWN #ifdef IMGUI_IMPL_WEBGPU_BACKEND_DAWN
// Dawn renamed WGPUProgrammableStageDescriptor to WGPUComputeState (see: https://github.com/webgpu-native/webgpu-headers/pull/413) // Dawn renamed WGPUProgrammableStageDescriptor to WGPUComputeState (see: https://github.com/webgpu-native/webgpu-headers/pull/413)
backends/imgui_impl_wgpu.h
+3 -2
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@@ -5,7 +5,8 @@
// When targeting native platforms: // When targeting native platforms:
// - One of IMGUI_IMPL_WEBGPU_BACKEND_DAWN or IMGUI_IMPL_WEBGPU_BACKEND_WGPU *must* be provided. // - One of IMGUI_IMPL_WEBGPU_BACKEND_DAWN or IMGUI_IMPL_WEBGPU_BACKEND_WGPU *must* be provided.
// When targeting Emscripten: // When targeting Emscripten:
// - We now defaults to IMGUI_IMPL_WEBGPU_BACKEND_DAWN is Emscripten version is 4.0.10+, which correspond to using Emscripten '--use-port=emdawnwebgpu'. // - We now defaults to IMGUI_IMPL_WEBGPU_BACKEND_DAWN and requires Emscripten 4.0.10+, which correspond to using Emscripten '--use-port=emdawnwebgpu'.
// - Emscripten < 4.0.10 is not supported anymore (old '-sUSE_WEBGPU=1' option).
// - We can still define IMGUI_IMPL_WEBGPU_BACKEND_WGPU to use Emscripten '-s USE_WEBGPU=1' which is marked as obsolete by Emscripten. // - We can still define IMGUI_IMPL_WEBGPU_BACKEND_WGPU to use Emscripten '-s USE_WEBGPU=1' which is marked as obsolete by Emscripten.
// Add #define to your imconfig.h file, or as a compilation flag in your build system. // Add #define to your imconfig.h file, or as a compilation flag in your build system.
// This requirement may be removed once WebGPU stabilizes and backends converge on a unified interface. // This requirement may be removed once WebGPU stabilizes and backends converge on a unified interface.
@@ -96,7 +97,7 @@ const char* ImGui_ImplWGPU_GetAdapterTypeName(WGPUAdapterType type);
#if defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN) #if defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN)
const char* ImGui_ImplWGPU_GetDeviceLostReasonName(WGPUDeviceLostReason type); const char* ImGui_ImplWGPU_GetDeviceLostReasonName(WGPUDeviceLostReason type);
const char* ImGui_ImplWGPU_GetErrorTypeName(WGPUErrorType type); const char* ImGui_ImplWGPU_GetErrorTypeName(WGPUErrorType type);
#elif defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU) && !defined(__EMSCRIPTEN__) #elif defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU)
const char* ImGui_ImplWGPU_GetLogLevelName(WGPULogLevel level); const char* ImGui_ImplWGPU_GetLogLevelName(WGPULogLevel level);
#endif #endif
docs/CHANGELOG.txt
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@@ -94,12 +94,14 @@ Other Changes:
- SDLGPU3: removed unnecessary call to SDL_WaitForGPUIdle when releasing - SDLGPU3: removed unnecessary call to SDL_WaitForGPUIdle when releasing
vertex/index buffers. (#9262) [@jaenis] vertex/index buffers. (#9262) [@jaenis]
- WebGPU: fixed version check for Emscripten 5.0.0+. - WebGPU: fixed version check for Emscripten 5.0.0+.
- WebGPU: removed support for Emscripten <4.0.10. (#9281) [@ypujante]
- Examples: - Examples:
- Emscripten: added `tabindex=-1` to canvas in our shell_minimal.htm. Without it, - Emscripten: added `tabindex=-1` to canvas in our shell_minimal.htm. Without it,
the canvas was not focusable in the DOM, which in turn make some backends the canvas was not focusable in the DOM, which in turn make some backends
(e.g. pongasoft/emscripten-glfw) not receive focus loss events. (#9259) [@pthom] (e.g. pongasoft/emscripten-glfw) not receive focus loss events. (#9259) [@pthom]
- WGPU: fixed undefined behaviors in example code for requesting adapter - WebGPU: fixed undefined behaviors in example code for requesting adapter
and device. (#9246, #9256) [@r-lyeh] and device. (#9246, #9256) [@r-lyeh]
- GLFW/SDL2/SDL3+WebGPU: removed suport for Emscripten <4.0.10. (#9281) [@ypujante]
----------------------------------------------------------------------- -----------------------------------------------------------------------
examples/example_glfw_wgpu/README.md
+2 -1
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@@ -60,9 +60,10 @@ For the WASM code produced by Emscripten to work correctly, it will also be nece
CMake checks the EMSCRIPEN version then: CMake checks the EMSCRIPEN version then:
- if EMS >= 4.0.10 uses `--use-port=emdawnwebgpu` flag to build - if EMS >= 4.0.10 uses `--use-port=emdawnwebgpu` flag to build
- it set `IMGUI_IMPL_WEBGPU_BACKEND_DAWN` compiler define - it set `IMGUI_IMPL_WEBGPU_BACKEND_DAWN` compiler define
- if EMS < 4.0.10 the build aborts (`-sUSE_WEBGPU=1` is no longer supported in ImGui) - if EMS < 4.0.10 the build aborts (`-sUSE_WEBGPU=1` is no longer supported by our examples and our WGPU backend)
#### Generate Emscripten using external WebGPU library (emdawnwebgpu_pkg) #### Generate Emscripten using external WebGPU library (emdawnwebgpu_pkg)
- `emcmake cmake -G Ninja -DIMGUI_EMSCRIPTEN_WEBGPU_FLAG="--use-port=path_to_emdawnwebgpu_pkg" -B where_to_build_dir` - `emcmake cmake -G Ninja -DIMGUI_EMSCRIPTEN_WEBGPU_FLAG="--use-port=path_to_emdawnwebgpu_pkg" -B where_to_build_dir`
- it set `IMGUI_IMPL_WEBGPU_BACKEND_DAWN` compiler define - it set `IMGUI_IMPL_WEBGPU_BACKEND_DAWN` compiler define
- *To use external WebGPU library it's necessary to have EMS >= 4.0.10 or the minimum requirements specified by the package:* - *To use external WebGPU library it's necessary to have EMS >= 4.0.10 or the minimum requirements specified by the package:*
examples/example_glfw_wgpu/main.cpp
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@@ -341,17 +341,6 @@ static WGPUDevice RequestDevice(wgpu::Instance& instance, wgpu::Adapter& adapter
return acquired_device.MoveToCHandle(); return acquired_device.MoveToCHandle();
} }
#elif defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU) #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) static void handle_request_adapter(WGPURequestAdapterStatus status, WGPUAdapter adapter, WGPUStringView message, void* userdata1, void* userdata2)
{ {
if (status == WGPURequestAdapterStatus_Success) if (status == WGPURequestAdapterStatus_Success)
@@ -408,7 +397,6 @@ static WGPUDevice RequestDevice(WGPUInstance& instance, WGPUAdapter& adapter)
IM_ASSERT(local_device && "Error on Device request"); IM_ASSERT(local_device && "Error on Device request");
return local_device; return local_device;
} }
#endif // __EMSCRIPTEN__
#endif // IMGUI_IMPL_WEBGPU_BACKEND_WGPU #endif // IMGUI_IMPL_WEBGPU_BACKEND_WGPU
bool InitWGPU(GLFWwindow* window) bool InitWGPU(GLFWwindow* window)
@@ -458,23 +446,6 @@ bool InitWGPU(GLFWwindow* window)
instanceDesc.requiredFeatures = &timedWaitAny; instanceDesc.requiredFeatures = &timedWaitAny;
wgpu_instance = wgpuCreateInstance(&instanceDesc); 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( wgpuSetLogCallback(
[](WGPULogLevel level, WGPUStringView msg, void* userdata) { fprintf(stderr, "%s: %.*s\n", ImGui_ImplWGPU_GetLogLevelName(level), (int)msg.length, msg.data); }, nullptr [](WGPULogLevel level, WGPUStringView msg, void* userdata) { fprintf(stderr, "%s: %.*s\n", ImGui_ImplWGPU_GetLogLevelName(level), (int)msg.length, msg.data); }, nullptr
); );
@@ -494,7 +465,6 @@ bool InitWGPU(GLFWwindow* window)
wgpuSurfaceGetCapabilities(wgpu_surface, adapter, &surface_capabilities); wgpuSurfaceGetCapabilities(wgpu_surface, adapter, &surface_capabilities);
preferred_fmt = surface_capabilities.formats[0]; preferred_fmt = surface_capabilities.formats[0];
#endif // __EMSCRIPTEN__
#endif // IMGUI_IMPL_WEBGPU_BACKEND_WGPU #endif // IMGUI_IMPL_WEBGPU_BACKEND_WGPU
wgpu_surface_configuration.presentMode = WGPUPresentMode_Fifo; wgpu_surface_configuration.presentMode = WGPUPresentMode_Fifo;
examples/example_sdl2_wgpu/README.md
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@@ -60,9 +60,10 @@ For the WASM code produced by Emscripten to work correctly, it will also be nece
CMake checks the EMSCRIPEN version then: CMake checks the EMSCRIPEN version then:
- if EMS >= 4.0.10 uses `--use-port=emdawnwebgpu` flag to build - if EMS >= 4.0.10 uses `--use-port=emdawnwebgpu` flag to build
- it set `IMGUI_IMPL_WEBGPU_BACKEND_DAWN` compiler define - it set `IMGUI_IMPL_WEBGPU_BACKEND_DAWN` compiler define
- if EMS < 4.0.10 the build aborts (`-sUSE_WEBGPU=1` is no longer supported in ImGui) - if EMS < 4.0.10 the build aborts (`-sUSE_WEBGPU=1` is no longer supported by our examples and our WGPU backend)
#### Generate Emscripten using external WebGPU library (emdawnwebgpu_pkg) #### Generate Emscripten using external WebGPU library (emdawnwebgpu_pkg)
- `emcmake cmake -G Ninja -DIMGUI_EMSCRIPTEN_WEBGPU_FLAG="--use-port=path_to_emdawnwebgpu_pkg" -B where_to_build_dir` - `emcmake cmake -G Ninja -DIMGUI_EMSCRIPTEN_WEBGPU_FLAG="--use-port=path_to_emdawnwebgpu_pkg" -B where_to_build_dir`
- it set `IMGUI_IMPL_WEBGPU_BACKEND_DAWN` compiler define - it set `IMGUI_IMPL_WEBGPU_BACKEND_DAWN` compiler define
- *To use external WebGPU library it's necessary to have EMS >= 4.0.10 or the minimum requirements specified by the package:* - *To use external WebGPU library it's necessary to have EMS >= 4.0.10 or the minimum requirements specified by the package:*
examples/example_sdl2_wgpu/main.cpp
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@@ -325,17 +325,6 @@ static WGPUDevice RequestDevice(wgpu::Instance& instance, wgpu::Adapter& adapter
return acquired_device.MoveToCHandle(); return acquired_device.MoveToCHandle();
} }
#elif defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU) #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) static void handle_request_adapter(WGPURequestAdapterStatus status, WGPUAdapter adapter, WGPUStringView message, void* userdata1, void* userdata2)
{ {
if (status == WGPURequestAdapterStatus_Success) if (status == WGPURequestAdapterStatus_Success)
@@ -392,7 +381,6 @@ static WGPUDevice RequestDevice(WGPUInstance& instance, WGPUAdapter& adapter)
IM_ASSERT(local_device && "Error on Device request"); IM_ASSERT(local_device && "Error on Device request");
return local_device; return local_device;
} }
#endif // __EMSCRIPTEN__
#endif // IMGUI_IMPL_WEBGPU_BACKEND_WGPU #endif // IMGUI_IMPL_WEBGPU_BACKEND_WGPU
static bool InitWGPU(SDL_Window* window) static bool InitWGPU(SDL_Window* window)
@@ -443,23 +431,6 @@ static bool InitWGPU(SDL_Window* window)
instanceDesc.requiredFeatures = &timedWaitAny; instanceDesc.requiredFeatures = &timedWaitAny;
wgpu_instance = wgpuCreateInstance(&instanceDesc); wgpu_instance = wgpuCreateInstance(&instanceDesc);
#ifdef __EMSCRIPTEN__
getAdapterAndDeviceViaJS();
wgpu_device = emscripten_webgpu_get_device();
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( wgpuSetLogCallback(
[](WGPULogLevel level, WGPUStringView msg, void* userdata) { fprintf(stderr, "%s: %.*s\n", ImGui_ImplWGPU_GetLogLevelName(level), (int)msg.length, msg.data); }, nullptr [](WGPULogLevel level, WGPUStringView msg, void* userdata) { fprintf(stderr, "%s: %.*s\n", ImGui_ImplWGPU_GetLogLevelName(level), (int)msg.length, msg.data); }, nullptr
); );
@@ -479,7 +450,6 @@ static bool InitWGPU(SDL_Window* window)
wgpuSurfaceGetCapabilities(wgpu_surface, adapter, &surface_capabilities); wgpuSurfaceGetCapabilities(wgpu_surface, adapter, &surface_capabilities);
preferred_fmt = surface_capabilities.formats[0]; preferred_fmt = surface_capabilities.formats[0];
#endif // __EMSCRIPTEN__
#endif // IMGUI_IMPL_WEBGPU_BACKEND_WGPU #endif // IMGUI_IMPL_WEBGPU_BACKEND_WGPU
wgpu_surface_configuration.presentMode = WGPUPresentMode_Fifo; wgpu_surface_configuration.presentMode = WGPUPresentMode_Fifo;
examples/example_sdl3_wgpu/README.md
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@@ -60,9 +60,10 @@ For the WASM code produced by Emscripten to work correctly, it will also be nece
CMake checks the EMSCRIPEN version then: CMake checks the EMSCRIPEN version then:
- if EMS >= 4.0.10 uses `--use-port=emdawnwebgpu` flag to build - if EMS >= 4.0.10 uses `--use-port=emdawnwebgpu` flag to build
- it set `IMGUI_IMPL_WEBGPU_BACKEND_DAWN` compiler define - it set `IMGUI_IMPL_WEBGPU_BACKEND_DAWN` compiler define
- if EMS < 4.0.10 the build aborts (`-sUSE_WEBGPU=1` is no longer supported in ImGui) - if EMS < 4.0.10 the build aborts (`-sUSE_WEBGPU=1` is no longer supported by our examples and our WGPU backend
#### Generate Emscripten using external WebGPU library (emdawnwebgpu_pkg) #### Generate Emscripten using external WebGPU library (emdawnwebgpu_pkg)
- `emcmake cmake -G Ninja -DIMGUI_EMSCRIPTEN_WEBGPU_FLAG="--use-port=path_to_emdawnwebgpu_pkg" -B where_to_build_dir` - `emcmake cmake -G Ninja -DIMGUI_EMSCRIPTEN_WEBGPU_FLAG="--use-port=path_to_emdawnwebgpu_pkg" -B where_to_build_dir`
- it set `IMGUI_IMPL_WEBGPU_BACKEND_DAWN` compiler define - it set `IMGUI_IMPL_WEBGPU_BACKEND_DAWN` compiler define
- *To use external WebGPU library it's necessary to have EMS >= 4.0.10 or the minimum requirements specified by the package:* - *To use external WebGPU library it's necessary to have EMS >= 4.0.10 or the minimum requirements specified by the package:*
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(); return acquired_device.MoveToCHandle();
} }
#elif defined(IMGUI_IMPL_WEBGPU_BACKEND_WGPU) #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) static void handle_request_adapter(WGPURequestAdapterStatus status, WGPUAdapter adapter, WGPUStringView message, void* userdata1, void* userdata2)
{ {
if (status == WGPURequestAdapterStatus_Success) if (status == WGPURequestAdapterStatus_Success)
@@ -403,7 +392,6 @@ static WGPUDevice RequestDevice(WGPUInstance& instance, WGPUAdapter& adapter)
IM_ASSERT(local_device && "Error on Device request"); IM_ASSERT(local_device && "Error on Device request");
return local_device; return local_device;
} }
#endif // __EMSCRIPTEN__
#endif // IMGUI_IMPL_WEBGPU_BACKEND_WGPU #endif // IMGUI_IMPL_WEBGPU_BACKEND_WGPU
static bool InitWGPU(SDL_Window* window) static bool InitWGPU(SDL_Window* window)
@@ -454,23 +442,6 @@ static bool InitWGPU(SDL_Window* window)
instanceDesc.requiredFeatures = &timedWaitAny; instanceDesc.requiredFeatures = &timedWaitAny;
wgpu_instance = wgpuCreateInstance(&instanceDesc); 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( wgpuSetLogCallback(
[](WGPULogLevel level, WGPUStringView msg, void* userdata) { fprintf(stderr, "%s: %.*s\n", ImGui_ImplWGPU_GetLogLevelName(level), (int)msg.length, msg.data); }, nullptr [](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); wgpuSurfaceGetCapabilities(wgpu_surface, adapter, &surface_capabilities);
preferred_fmt = surface_capabilities.formats[0]; preferred_fmt = surface_capabilities.formats[0];
#endif // __EMSCRIPTEN__
#endif // IMGUI_IMPL_WEBGPU_BACKEND_WGPU #endif // IMGUI_IMPL_WEBGPU_BACKEND_WGPU
wgpu_surface_configuration.presentMode = WGPUPresentMode_Fifo; wgpu_surface_configuration.presentMode = WGPUPresentMode_Fifo;