diff options
author | Patrick Mours <pmours@nvidia.com> | 2020-07-24 16:36:09 +0300 |
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committer | Patrick Mours <pmours@nvidia.com> | 2020-07-24 16:36:09 +0300 |
commit | c64b12c0b80bc5a60ff39c7f984d06020009400c (patch) | |
tree | 96d4f7e7805b30669e01de6e53138f9450e2e062 | |
parent | ec17b45034fbc9278bb42ea574bdaf2b8a6857e3 (diff) |
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.
-rw-r--r-- | intern/cycles/device/device_optix.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/intern/cycles/device/device_optix.cpp b/intern/cycles/device/device_optix.cpp index 1cc45983565..ca10cee76ad 100644 --- a/intern/cycles/device/device_optix.cpp +++ b/intern/cycles/device/device_optix.cpp @@ -1746,10 +1746,11 @@ void device_optix_info(const vector<DeviceInfo> &cuda_devices, vector<DeviceInfo for (DeviceInfo info : cuda_devices) { assert(info.type == DEVICE_CUDA); - int major; + int major, minor; cuDeviceGetAttribute(&major, CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR, info.num); - if (major < 5) { - continue; // Only Maxwell and up are supported by OptiX + cuDeviceGetAttribute(&minor, CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR, info.num); + if (major < 5 || (major == 5 && minor < 2)) { + continue; // Only Maxwell 2.0 and up are supported by OptiX } info.type = DEVICE_OPTIX; |