1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "blender/blender_device.h"
#include "blender/blender_session.h"
#include "blender/blender_util.h"
#include "util/util_foreach.h"
CCL_NAMESPACE_BEGIN
enum ComputeDevice {
COMPUTE_DEVICE_CPU = 0,
COMPUTE_DEVICE_CUDA = 1,
COMPUTE_DEVICE_OPENCL = 2,
COMPUTE_DEVICE_OPTIX = 3,
COMPUTE_DEVICE_NUM
};
int blender_device_threads(BL::Scene &b_scene)
{
BL::RenderSettings b_r = b_scene.render();
if (b_r.threads_mode() == BL::RenderSettings::threads_mode_FIXED)
return b_r.threads();
else
return 0;
}
DeviceInfo blender_device_info(BL::Preferences &b_preferences, BL::Scene &b_scene, bool background)
{
if (BlenderSession::device_override != DEVICE_MASK_ALL) {
vector<DeviceInfo> devices = Device::available_devices(BlenderSession::device_override);
if (devices.empty()) {
return Device::dummy_device("Found no Cycles device of the specified type");
}
int threads = blender_device_threads(b_scene);
return Device::get_multi_device(devices, threads, background);
}
PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
/* Default to CPU device. */
DeviceInfo device = Device::available_devices(DEVICE_MASK_CPU).front();
if (get_enum(cscene, "device") == 2) {
/* Find network device. */
vector<DeviceInfo> devices = Device::available_devices(DEVICE_MASK_NETWORK);
if (!devices.empty()) {
return devices.front();
}
}
else if (get_enum(cscene, "device") == 1) {
/* Find cycles preferences. */
PointerRNA cpreferences;
BL::Preferences::addons_iterator b_addon_iter;
for (b_preferences.addons.begin(b_addon_iter); b_addon_iter != b_preferences.addons.end();
++b_addon_iter) {
if (b_addon_iter->module() == "cycles") {
cpreferences = b_addon_iter->preferences().ptr;
break;
}
}
/* Test if we are using GPU devices. */
ComputeDevice compute_device = (ComputeDevice)get_enum(
cpreferences, "compute_device_type", COMPUTE_DEVICE_NUM, COMPUTE_DEVICE_CPU);
if (compute_device != COMPUTE_DEVICE_CPU) {
/* Query GPU devices with matching types. */
uint mask = DEVICE_MASK_CPU;
if (compute_device == COMPUTE_DEVICE_CUDA) {
mask |= DEVICE_MASK_CUDA;
}
else if (compute_device == COMPUTE_DEVICE_OPTIX) {
/* Cannot use CPU and OptiX device at the same time right now, so replace mask. */
mask = DEVICE_MASK_OPTIX;
}
else if (compute_device == COMPUTE_DEVICE_OPENCL) {
mask |= DEVICE_MASK_OPENCL;
}
vector<DeviceInfo> devices = Device::available_devices(mask);
/* Match device preferences and available devices. */
vector<DeviceInfo> used_devices;
RNA_BEGIN (&cpreferences, device, "devices") {
if (get_boolean(device, "use")) {
string id = get_string(device, "id");
foreach (DeviceInfo &info, devices) {
if (info.id == id) {
used_devices.push_back(info);
break;
}
}
}
}
RNA_END;
if (!used_devices.empty()) {
int threads = blender_device_threads(b_scene);
device = Device::get_multi_device(used_devices, threads, background);
}
/* Else keep using the CPU device that was set before. */
if (!get_boolean(cpreferences, "peer_memory")) {
device.has_peer_memory = false;
}
}
}
return device;
}
CCL_NAMESPACE_END
|
