( requested: SplatBackendPreference, availability: SplatBackendAvailability )
| 146 | } |
| 147 | |
| 148 | export function resolveSplatBackend( |
| 149 | requested: SplatBackendPreference, |
| 150 | availability: SplatBackendAvailability |
| 151 | ): SplatBackendResolution { |
| 152 | if (requested === 'spark') { |
| 153 | return availability.spark |
| 154 | ? { |
| 155 | status: 'resolved', |
| 156 | requested, |
| 157 | backend: 'spark', |
| 158 | gpuPsnr: false, |
| 159 | reason: 'Spark renderer forced by splatBackend=spark', |
| 160 | } |
| 161 | : { |
| 162 | status: 'unavailable', |
| 163 | requested, |
| 164 | backend: null, |
| 165 | gpuPsnr: false, |
| 166 | reason: 'Spark renderer is unavailable', |
| 167 | }; |
| 168 | } |
| 169 | |
| 170 | if (requested === 'webgpu') { |
| 171 | if (availability.webGpu === 'ready') { |
| 172 | return { |
| 173 | status: 'resolved', |
| 174 | requested, |
| 175 | backend: 'webgpu', |
| 176 | gpuPsnr: true, |
| 177 | reason: 'WebGPU renderer forced by splatBackend=webgpu', |
| 178 | }; |
| 179 | } |
| 180 | |
| 181 | return { |
| 182 | status: 'unavailable', |
| 183 | requested, |
| 184 | backend: null, |
| 185 | gpuPsnr: false, |
| 186 | reason: getWebGpuUnavailableReason(availability), |
| 187 | }; |
| 188 | } |
| 189 | |
| 190 | if (availability.webGpu === 'ready') { |
| 191 | return { |
| 192 | status: 'resolved', |
| 193 | requested, |
| 194 | backend: 'webgpu', |
| 195 | gpuPsnr: true, |
| 196 | reason: 'WebGPU renderer selected automatically', |
| 197 | }; |
| 198 | } |
| 199 | |
| 200 | if (availability.spark) { |
| 201 | return { |
| 202 | status: 'resolved', |
| 203 | requested, |
| 204 | backend: 'spark', |
| 205 | gpuPsnr: false, |
no test coverage detected