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Backends: WebGPU: detect WGSL support at runtime instead of excluding WGVK at compile time. (#9387)

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Previously WGVK was hard-disabled from WGSL via #if !defined(IMGUI_IMPL_WEBGPU_BACKEND_WGVK),
forcing the SPIRV fallback unconditionally. Now the WGSL path is attempted on all backends
and an empty stage_desc is returned when the module fails to compile letting the existing
SPIRV fallback at the call site kick in.
This commit is contained in:
manuel
2026-05-01 12:57:48 +02:00
committed by ocornut
parent bca5a69928
commit b58836f287
2 changed files with 25 additions and 5 deletions
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docs/CHANGELOG.txt
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@@ -213,7 +213,7 @@ Other Changes:
- SDL2: made `ImGui_ImplSDL2_GetContentScaleForWindow()`/`ImGui_ImplSDL2_GetContentScaleForDisplay()`
helpers return a minimum of 1.0f, as some Linux setup seems to report <1.0f value
and this breaks scaling border size. (#9369)
- WebGPU: always use SPIR-V shader on WGVK, as it cannot be detected at runtime. (#9316, #9246, #9257)
- WebGPU: rework choice/detection of using WGSL/SPIR-V shader on WGVK. (#9316, #9246, #9257, #9387)
- Examples:
- Update VS toolset in all .vcxproj from VS2015 (v140) to VS2017 (v141). The later is the
first that supports vcpkg. Onward we will likely stop testing building the library with VS2015.