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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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4
backends/imgui_impl_wgpu.cpp
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@@ -20,6 +20,7 @@
// CHANGELOG
// (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)
// 2025-09-18: Call platform_io.ClearRendererHandlers() on shutdown.
// 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)
#error Exactly one of IMGUI_IMPL_WEBGPU_BACKEND_DAWN or IMGUI_IMPL_WEBGPU_BACKEND_WGPU must be defined!
#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
// Dawn renamed WGPUProgrammableStageDescriptor to WGPUComputeState (see: https://github.com/webgpu-native/webgpu-headers/pull/413)

5
backends/imgui_impl_wgpu.h
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@@ -5,7 +5,8 @@
// When targeting native platforms:
// - One of IMGUI_IMPL_WEBGPU_BACKEND_DAWN or IMGUI_IMPL_WEBGPU_BACKEND_WGPU *must* be provided.
// 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.
// 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.
@@ -96,7 +97,7 @@ const char* ImGui_ImplWGPU_GetAdapterTypeName(WGPUAdapterType type);
#if defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN)
const char* ImGui_ImplWGPU_GetDeviceLostReasonName(WGPUDeviceLostReason 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);
#endif