Commit: f00ba344115ca07f255fdd6088956e4d035714a0 Author: Patrick Mours Date: Mon Jul 27 16:11:00 2020 +0200 Branches: tmp-2.83-cycles-rtx3-kernels https://developer.blender.org/rBf00ba344115ca07f255fdd6088956e4d035714a0
Cycles: Enable OptiX on first generation Maxwell GPUs again =================================================================== M intern/cycles/device/device_optix.cpp M intern/cycles/kernel/CMakeLists.txt =================================================================== diff --git a/intern/cycles/device/device_optix.cpp b/intern/cycles/device/device_optix.cpp index 2b28d1e1dbb..db04c13d083 100644 --- a/intern/cycles/device/device_optix.cpp +++ b/intern/cycles/device/device_optix.cpp @@ -1543,11 +1543,10 @@ void device_optix_info(const vector<DeviceInfo> &cuda_devices, vector<DeviceInfo for (DeviceInfo info : cuda_devices) { assert(info.type == DEVICE_CUDA); - int major, minor; + int major; cuDeviceGetAttribute(&major, CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR, info.num); - 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 + if (major < 5) { + continue; // Only Maxwell and up are supported by OptiX } info.type = DEVICE_OPTIX; diff --git a/intern/cycles/kernel/CMakeLists.txt b/intern/cycles/kernel/CMakeLists.txt index 6ab0b9d39d2..5e408c55328 100644 --- a/intern/cycles/kernel/CMakeLists.txt +++ b/intern/cycles/kernel/CMakeLists.txt @@ -549,7 +549,7 @@ if(WITH_CYCLES_DEVICE_OPTIX AND WITH_CYCLES_CUDA_BINARIES) ${SRC_UTIL_HEADERS} COMMAND ${CUBIN_CC_ENV} "$<TARGET_FILE:cycles_cubin_cc>" - -target 52 + -target 50 -ptx -i ${CMAKE_CURRENT_SOURCE_DIR}/${input} ${cuda_flags} @@ -573,7 +573,7 @@ if(WITH_CYCLES_DEVICE_OPTIX AND WITH_CYCLES_CUDA_BINARIES) COMMAND ${CUDA_NVCC_EXECUTABLE} --ptx - -arch=sm_52 + -arch=sm_50 ${cuda_flags} ${input} WORKING_DIRECTORY _______________________________________________ Bf-blender-cvs mailing list Bf-blender-cvs@blender.org https://lists.blender.org/mailman/listinfo/bf-blender-cvs