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path: root/intern/cycles/device/device_opencl.cpp
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-rw-r--r--intern/cycles/device/device_opencl.cpp245
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diff --git a/intern/cycles/device/device_opencl.cpp b/intern/cycles/device/device_opencl.cpp
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--- a/intern/cycles/device/device_opencl.cpp
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-/*
- * 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.
- */
-
-#ifdef WITH_OPENCL
-
-# include "device/opencl/device_opencl.h"
-# include "device/device.h"
-# include "device/device_intern.h"
-
-# include "util/util_foreach.h"
-# include "util/util_logging.h"
-# include "util/util_set.h"
-# include "util/util_string.h"
-
-CCL_NAMESPACE_BEGIN
-
-Device *device_opencl_create(DeviceInfo &info, Stats &stats, Profiler &profiler, bool background)
-{
- return opencl_create_split_device(info, stats, profiler, background);
-}
-
-bool device_opencl_init()
-{
- static bool initialized = false;
- static bool result = false;
-
- if (initialized)
- return result;
-
- initialized = true;
-
- if (OpenCLInfo::device_type() != 0) {
- int clew_result = clewInit();
- if (clew_result == CLEW_SUCCESS) {
- VLOG(1) << "CLEW initialization succeeded.";
- result = true;
- }
- else {
- VLOG(1) << "CLEW initialization failed: "
- << ((clew_result == CLEW_ERROR_ATEXIT_FAILED) ? "Error setting up atexit() handler" :
- "Error opening the library");
- }
- }
- else {
- VLOG(1) << "Skip initializing CLEW, platform is force disabled.";
- result = false;
- }
-
- return result;
-}
-
-static cl_int device_opencl_get_num_platforms_safe(cl_uint *num_platforms)
-{
-# ifdef _WIN32
- __try {
- return clGetPlatformIDs(0, NULL, num_platforms);
- }
- __except (EXCEPTION_EXECUTE_HANDLER) {
- /* Ignore crashes inside the OpenCL driver and hope we can
- * survive even with corrupted OpenCL installs. */
- fprintf(stderr, "Cycles OpenCL: driver crashed, continuing without OpenCL.\n");
- }
-
- *num_platforms = 0;
- return CL_DEVICE_NOT_FOUND;
-# else
- return clGetPlatformIDs(0, NULL, num_platforms);
-# endif
-}
-
-void device_opencl_info(vector<DeviceInfo> &devices)
-{
- cl_uint num_platforms = 0;
- device_opencl_get_num_platforms_safe(&num_platforms);
- if (num_platforms == 0) {
- return;
- }
-
- vector<OpenCLPlatformDevice> usable_devices;
- OpenCLInfo::get_usable_devices(&usable_devices);
- /* Devices are numbered consecutively across platforms. */
- int num_devices = 0;
- set<string> unique_ids;
- foreach (OpenCLPlatformDevice &platform_device, usable_devices) {
- /* Compute unique ID for persistent user preferences. */
- const string &platform_name = platform_device.platform_name;
- const string &device_name = platform_device.device_name;
- string hardware_id = platform_device.hardware_id;
- if (hardware_id == "") {
- hardware_id = string_printf("ID_%d", num_devices);
- }
- string id = string("OPENCL_") + platform_name + "_" + device_name + "_" + hardware_id;
-
- /* Hardware ID might not be unique, add device number in that case. */
- if (unique_ids.find(id) != unique_ids.end()) {
- id += string_printf("_ID_%d", num_devices);
- }
- unique_ids.insert(id);
-
- /* Create DeviceInfo. */
- DeviceInfo info;
- info.type = DEVICE_OPENCL;
- info.description = string_remove_trademark(string(device_name));
- info.num = num_devices;
- /* We don't know if it's used for display, but assume it is. */
- info.display_device = true;
- info.use_split_kernel = true;
- info.has_volume_decoupled = false;
- info.has_adaptive_stop_per_sample = false;
- info.denoisers = DENOISER_NLM;
- info.id = id;
-
- /* Check OpenCL extensions */
- info.has_half_images = platform_device.device_extensions.find("cl_khr_fp16") != string::npos;
-
- /* Disabled for now due to apparent AMD driver bug. */
- info.has_nanovdb = platform_name != "AMD Accelerated Parallel Processing";
-
- devices.push_back(info);
- num_devices++;
- }
-}
-
-string device_opencl_capabilities()
-{
- if (OpenCLInfo::device_type() == 0) {
- return "All OpenCL devices are forced to be OFF";
- }
- string result = "";
- string error_msg = ""; /* Only used by opencl_assert(), but in the future
- * it could also be nicely reported to the console.
- */
- cl_uint num_platforms = 0;
- opencl_assert(device_opencl_get_num_platforms_safe(&num_platforms));
- if (num_platforms == 0) {
- return "No OpenCL platforms found\n";
- }
- result += string_printf("Number of platforms: %u\n", num_platforms);
-
- vector<cl_platform_id> platform_ids;
- platform_ids.resize(num_platforms);
- opencl_assert(clGetPlatformIDs(num_platforms, &platform_ids[0], NULL));
-
-# define APPEND_INFO(func, id, name, what, type) \
- do { \
- type data; \
- memset(&data, 0, sizeof(data)); \
- opencl_assert(func(id, what, sizeof(data), &data, NULL)); \
- result += string_printf("%s: %s\n", name, to_string(data).c_str()); \
- } while (false)
-# define APPEND_STRING_INFO_IMPL(func, id, name, what, is_optional) \
- do { \
- string value; \
- size_t length = 0; \
- if (func(id, what, 0, NULL, &length) == CL_SUCCESS) { \
- vector<char> buffer(length + 1); \
- if (func(id, what, buffer.size(), buffer.data(), NULL) == CL_SUCCESS) { \
- value = string(buffer.data()); \
- } \
- } \
- if (is_optional && !(length != 0 && value[0] != '\0')) { \
- break; \
- } \
- result += string_printf("%s: %s\n", name, value.c_str()); \
- } while (false)
-# define APPEND_PLATFORM_STRING_INFO(id, name, what) \
- APPEND_STRING_INFO_IMPL(clGetPlatformInfo, id, "\tPlatform " name, what, false)
-# define APPEND_STRING_EXTENSION_INFO(func, id, name, what) \
- APPEND_STRING_INFO_IMPL(clGetPlatformInfo, id, "\tPlatform " name, what, true)
-# define APPEND_PLATFORM_INFO(id, name, what, type) \
- APPEND_INFO(clGetPlatformInfo, id, "\tPlatform " name, what, type)
-# define APPEND_DEVICE_INFO(id, name, what, type) \
- APPEND_INFO(clGetDeviceInfo, id, "\t\t\tDevice " name, what, type)
-# define APPEND_DEVICE_STRING_INFO(id, name, what) \
- APPEND_STRING_INFO_IMPL(clGetDeviceInfo, id, "\t\t\tDevice " name, what, false)
-# define APPEND_DEVICE_STRING_EXTENSION_INFO(id, name, what) \
- APPEND_STRING_INFO_IMPL(clGetDeviceInfo, id, "\t\t\tDevice " name, what, true)
-
- vector<cl_device_id> device_ids;
- for (cl_uint platform = 0; platform < num_platforms; ++platform) {
- cl_platform_id platform_id = platform_ids[platform];
-
- result += string_printf("Platform #%u\n", platform);
-
- APPEND_PLATFORM_STRING_INFO(platform_id, "Name", CL_PLATFORM_NAME);
- APPEND_PLATFORM_STRING_INFO(platform_id, "Vendor", CL_PLATFORM_VENDOR);
- APPEND_PLATFORM_STRING_INFO(platform_id, "Version", CL_PLATFORM_VERSION);
- APPEND_PLATFORM_STRING_INFO(platform_id, "Profile", CL_PLATFORM_PROFILE);
- APPEND_PLATFORM_STRING_INFO(platform_id, "Extensions", CL_PLATFORM_EXTENSIONS);
-
- cl_uint num_devices = 0;
- opencl_assert(
- clGetDeviceIDs(platform_ids[platform], CL_DEVICE_TYPE_ALL, 0, NULL, &num_devices));
- result += string_printf("\tNumber of devices: %u\n", num_devices);
-
- device_ids.resize(num_devices);
- opencl_assert(clGetDeviceIDs(
- platform_ids[platform], CL_DEVICE_TYPE_ALL, num_devices, &device_ids[0], NULL));
- for (cl_uint device = 0; device < num_devices; ++device) {
- cl_device_id device_id = device_ids[device];
-
- result += string_printf("\t\tDevice: #%u\n", device);
-
- APPEND_DEVICE_STRING_INFO(device_id, "Name", CL_DEVICE_NAME);
- APPEND_DEVICE_STRING_EXTENSION_INFO(device_id, "Board Name", CL_DEVICE_BOARD_NAME_AMD);
- APPEND_DEVICE_STRING_INFO(device_id, "Vendor", CL_DEVICE_VENDOR);
- APPEND_DEVICE_STRING_INFO(device_id, "OpenCL C Version", CL_DEVICE_OPENCL_C_VERSION);
- APPEND_DEVICE_STRING_INFO(device_id, "Profile", CL_DEVICE_PROFILE);
- APPEND_DEVICE_STRING_INFO(device_id, "Version", CL_DEVICE_VERSION);
- APPEND_DEVICE_STRING_INFO(device_id, "Extensions", CL_DEVICE_EXTENSIONS);
- APPEND_DEVICE_INFO(
- device_id, "Max clock frequency (MHz)", CL_DEVICE_MAX_CLOCK_FREQUENCY, cl_uint);
- APPEND_DEVICE_INFO(device_id, "Max compute units", CL_DEVICE_MAX_COMPUTE_UNITS, cl_uint);
- APPEND_DEVICE_INFO(device_id, "Max work group size", CL_DEVICE_MAX_WORK_GROUP_SIZE, size_t);
- }
- }
-
-# undef APPEND_INFO
-# undef APPEND_STRING_INFO_IMPL
-# undef APPEND_PLATFORM_STRING_INFO
-# undef APPEND_STRING_EXTENSION_INFO
-# undef APPEND_PLATFORM_INFO
-# undef APPEND_DEVICE_INFO
-# undef APPEND_DEVICE_STRING_INFO
-# undef APPEND_DEVICE_STRING_EXTENSION_INFO
-
- return result;
-}
-
-CCL_NAMESPACE_END
-
-#endif /* WITH_OPENCL */
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