diff options
Diffstat (limited to 'intern/cycles/device')
| -rw-r--r-- | intern/cycles/device/device_optix.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/intern/cycles/device/device_optix.cpp b/intern/cycles/device/device_optix.cpp index 42d7b00314c..37d6ae3d041 100644 --- a/intern/cycles/device/device_optix.cpp +++ b/intern/cycles/device/device_optix.cpp @@ -383,7 +383,13 @@ class OptiXDevice : public CUDADevice { { // Load and compile PTX module with OptiX kernels string ptx_data, ptx_filename = path_get("lib/kernel_optix.ptx"); - if (use_adaptive_compilation()) { + if (use_adaptive_compilation() || path_file_size(ptx_filename) == -1) { + if (!getenv("OPTIX_ROOT_DIR")) { + set_error( + "OPTIX_ROOT_DIR environment variable not set, must be set with the path to the " + "Optix SDK in order to compile the Optix kernel on demand."); + return false; + } ptx_filename = compile_kernel(requested_features, "kernel_optix", "optix", true); } if (ptx_filename.empty() || !path_read_text(ptx_filename, ptx_data)) { |