diff options
author | Patrick Mours <pmours@nvidia.com> | 2020-07-24 16:36:09 +0300 |
---|---|---|
committer | Brecht Van Lommel <brecht@blender.org> | 2021-02-08 15:32:55 +0300 |
commit | b4bddf2e3bd3e33a9ca7488fc78112f8a5fa0544 (patch) | |
tree | 8a7912099b7a2fab267178abb2e2c857b038fb0f | |
parent | 08aaa07adbd46e27f4226f29559be156f14a524b (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 db04c13d083..2b28d1e1dbb 100644 --- a/intern/cycles/device/device_optix.cpp +++ b/intern/cycles/device/device_optix.cpp @@ -1543,10 +1543,11 @@ 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; |