Fix OptiX being shown as available on first generation Maxwell GPUs
The OptiX kernels are compiled for target "compute_sm_52", which is only available on second generation Maxwell GPUs, so disable support for older ones.
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blender-bot
2023-02-14 10:04:50 +01:00
Referenced by issue #79133, Optix viewport denoise error with Quadro M2000
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@ -1746,10 +1746,11 @@ void device_optix_info(const vector<DeviceInfo> &cuda_devices, vector<DeviceInfo
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for (DeviceInfo info : cuda_devices) {
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assert(info.type == DEVICE_CUDA);
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int major;
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int major, minor;
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cuDeviceGetAttribute(&major, CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR, info.num);
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if (major < 5) {
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continue; // Only Maxwell and up are supported by OptiX
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cuDeviceGetAttribute(&minor, CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR, info.num);
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if (major < 5 || (major == 5 && minor < 2)) {
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continue; // Only Maxwell 2.0 and up are supported by OptiX
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}
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info.type = DEVICE_OPTIX;
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