0a3df611e7
This patch fixes T103393 by undefining `__LIGHT_TREE__` on Metal/AMD as it has an unexpected & major impact on performance even when light trees are not in use. Patch authored by Prakash Kamliya. Reviewed By: brecht Maniphest Tasks: T103393 Differential Revision: https://developer.blender.org/D17167
109 lines
2.4 KiB
C++
109 lines
2.4 KiB
C++
/* SPDX-License-Identifier: Apache-2.0
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* Copyright 2021-2022 Blender Foundation */
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#ifdef WITH_METAL
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# include "device/metal/device.h"
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# include "device/metal/device_impl.h"
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#endif
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#include "util/debug.h"
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#include "util/set.h"
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#include "util/system.h"
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CCL_NAMESPACE_BEGIN
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#ifdef WITH_METAL
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Device *device_metal_create(const DeviceInfo &info, Stats &stats, Profiler &profiler)
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{
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return new MetalDevice(info, stats, profiler);
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}
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bool device_metal_init()
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{
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return true;
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}
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void device_metal_info(vector<DeviceInfo> &devices)
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{
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auto usable_devices = MetalInfo::get_usable_devices();
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/* Devices are numbered consecutively across platforms. */
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set<string> unique_ids;
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int device_index = 0;
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for (id<MTLDevice> &device : usable_devices) {
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/* Compute unique ID for persistent user preferences. */
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string device_name = MetalInfo::get_device_name(device);
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string id = string("METAL_") + device_name;
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/* Hardware ID might not be unique, add device number in that case. */
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if (unique_ids.find(id) != unique_ids.end()) {
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id += string_printf("_ID_%d", device_index);
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}
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unique_ids.insert(id);
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/* Create DeviceInfo. */
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DeviceInfo info;
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info.type = DEVICE_METAL;
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info.description = string_remove_trademark(string(device_name));
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info.num = device_index;
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/* We don't know if it's used for display, but assume it is. */
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info.display_device = true;
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info.denoisers = DENOISER_NONE;
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info.id = id;
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if (MetalInfo::get_device_vendor(device) == METAL_GPU_AMD) {
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info.has_light_tree = false;
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}
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devices.push_back(info);
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device_index++;
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}
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}
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string device_metal_capabilities()
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{
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string result = "";
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auto allDevices = MTLCopyAllDevices();
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uint32_t num_devices = (uint32_t)allDevices.count;
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if (num_devices == 0) {
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return "No Metal devices found\n";
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}
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result += string_printf("Number of devices: %u\n", num_devices);
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for (id<MTLDevice> device in allDevices) {
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string device_name = MetalInfo::get_device_name(device);
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result += string_printf("\t\tDevice: %s\n", device_name.c_str());
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}
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return result;
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}
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#else
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Device *device_metal_create(const DeviceInfo &info, Stats &stats, Profiler &profiler)
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{
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return nullptr;
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}
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bool device_metal_init()
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{
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return false;
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}
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void device_metal_info(vector<DeviceInfo> &devices)
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{
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}
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string device_metal_capabilities()
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{
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return "";
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}
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#endif
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CCL_NAMESPACE_END
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