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Cycles: add Optix device backend

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This uses hardware-accelerated raytracing on NVIDIA RTX graphics cards.

It is still currently experimental. Most features are supported, but a few
are still missing like baking, branched path tracing and using CPU memory.
https://wiki.blender.org/wiki/Reference/Release_Notes/2.81/Cycles#NVIDIA_RTX

For building with Optix support, the Optix SDK must be installed. See here for
build instructions:
https://wiki.blender.org/wiki/Building_Blender/CUDA

Differential Revision: https://developer.blender.org/D5363
This commit is contained in:
Patrick Mours
2019-09-12 14:50:06 +02:00
committed by Brecht Van Lommel
parent 53932f1f06
commit a2b52dc571
26 changed files with 2574 additions and 34 deletions
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10
intern/cycles/blender/blender_python.cpp
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@@ -81,6 +81,8 @@ bool debug_flags_sync_from_scene(BL::Scene b_scene)
/* Synchronize CUDA flags. */
flags.cuda.adaptive_compile = get_boolean(cscene, "debug_use_cuda_adaptive_compile");
flags.cuda.split_kernel = get_boolean(cscene, "debug_use_cuda_split_kernel");
/* Synchronize OptiX flags. */
flags.optix.cuda_streams = get_int(cscene, "debug_optix_cuda_streams");
/* Synchronize OpenCL device type. */
switch (get_enum(cscene, "debug_opencl_device_type")) {
case 0:
@@ -960,14 +962,16 @@ static PyObject *enable_print_stats_func(PyObject * /*self*/, PyObject * /*args*
static PyObject *get_device_types_func(PyObject * /*self*/, PyObject * /*args*/)
{
vector<DeviceType> device_types = Device::available_types();
bool has_cuda = false, has_opencl = false;
bool has_cuda = false, has_optix = false, has_opencl = false;
foreach (DeviceType device_type, device_types) {
has_cuda |= (device_type == DEVICE_CUDA);
has_optix |= (device_type == DEVICE_OPTIX);
has_opencl |= (device_type == DEVICE_OPENCL);
}
PyObject *list = PyTuple_New(2);
PyObject *list = PyTuple_New(3);
PyTuple_SET_ITEM(list, 0, PyBool_FromLong(has_cuda));
PyTuple_SET_ITEM(list, 1, PyBool_FromLong(has_opencl));
PyTuple_SET_ITEM(list, 1, PyBool_FromLong(has_optix));
PyTuple_SET_ITEM(list, 2, PyBool_FromLong(has_opencl));
return list;
}