Fix validation error on gltf_viewer

Inline header defined method to remove compiler warning

filament/backend/src/webgpu/SpdMipmapGenerator/SpdMipmapGenerator.cpp

@@ -172,11 +172,15 @@ SPDPipeline& MipmapGenerator::GetOrCreatePipeline(const PipelineCacheKey& key) {
             entry.binding = i;
             entry.visibility = wgpu::ShaderStage::Compute;
             if (i == 0) {
-                entry.texture.sampleType = (key.scalarType == SPDScalarType::I32)
-                                                   ? wgpu::TextureSampleType::Sint
-                                           : (key.scalarType == SPDScalarType::U32)
-                                                   ? wgpu::TextureSampleType::Uint
-                                                   : wgpu::TextureSampleType::UnfilterableFloat;
+                if (key.scalarType == SPDScalarType::I32) {
+                    entry.texture.sampleType = wgpu::TextureSampleType::Sint;
+                } else if (key.scalarType == SPDScalarType::U32) {
+                    entry.texture.sampleType = wgpu::TextureSampleType::Uint;
+                } else if (key.scalarType == SPDScalarType::F32 || key.scalarType == SPDScalarType::F16) {
+                    entry.texture.sampleType = wgpu::TextureSampleType::Float;
+                } else {
+                    entry.texture.sampleType = wgpu::TextureSampleType::UnfilterableFloat;
+                }
                 entry.texture.viewDimension = wgpu::TextureViewDimension::e2DArray;
             } else {
                 entry.storageTexture.access = wgpu::StorageTextureAccess::WriteOnly;

filament/backend/src/webgpu/WebGPUStrings.h

@@ -101,7 +101,7 @@ template<typename WebGPUPrintable>
     return out.str();
 }
 
-[[nodiscard]] std::string adapterInfoToString(wgpu::AdapterInfo const& info) {
+[[nodiscard]] inline std::string adapterInfoToString(wgpu::AdapterInfo const& info) {
     std::stringstream out;
     out << "vendor (" << info.vendorID << ") '" << info.vendor
         << "' device (" << info.deviceID << ") '" << info.device