Cycles: Split device_opencl.cpp into multiple files for easier maintenance
There are no user-visible changes, just some internal restructuring. Differential Revision: https://developer.blender.org/D2231
This commit is contained in:
parent
1fad269d07
commit
9ea71bc674
Notes:
blender-bot
2023-02-14 11:21:40 +01:00
Referenced by issue #50135, Particle - Hair Objects - Hair objects are generated at origin point, not on mesh Referenced by issue #50104, Cycles - Material compilation randomly fails Referenced by issue #49630, regression MIS Split kernel OpenCL Referenced by issue #49623, Immediately crash trying to render attached file in Cycles Referenced by issue #49592, Crash on "Load Factory Setting"
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@ -36,6 +36,15 @@ set(SRC
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device_task.cpp
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)
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set(SRC_OPENCL
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opencl/opencl.h
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opencl/opencl_base.cpp
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opencl/opencl_mega.cpp
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opencl/opencl_split.cpp
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opencl/opencl_util.cpp
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)
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if(WITH_CYCLES_NETWORK)
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list(APPEND SRC
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device_network.cpp
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@ -67,4 +76,4 @@ endif()
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include_directories(${INC})
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include_directories(SYSTEM ${INC_SYS})
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add_library(cycles_device ${SRC} ${SRC_HEADERS})
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add_library(cycles_device ${SRC} ${SRC_OPENCL} ${SRC_HEADERS})
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,397 @@
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/*
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* Copyright 2011-2013 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef WITH_OPENCL
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#include "clew.h"
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#include "device.h"
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#include "util_map.h"
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#include "util_param.h"
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#include "util_string.h"
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CCL_NAMESPACE_BEGIN
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#define CL_MEM_PTR(p) ((cl_mem)(uintptr_t)(p))
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/* Macro declarations used with split kernel */
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/* Macro to enable/disable work-stealing */
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#define __WORK_STEALING__
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#define SPLIT_KERNEL_LOCAL_SIZE_X 64
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#define SPLIT_KERNEL_LOCAL_SIZE_Y 1
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/* This value may be tuned according to the scene we are rendering.
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*
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* Modifying PATH_ITER_INC_FACTOR value proportional to number of expected
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* ray-bounces will improve performance.
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*/
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#define PATH_ITER_INC_FACTOR 8
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/* When allocate global memory in chunks. We may not be able to
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* allocate exactly "CL_DEVICE_MAX_MEM_ALLOC_SIZE" bytes in chunks;
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* Since some bytes may be needed for aligning chunks of memory;
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* This is the amount of memory that we dedicate for that purpose.
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*/
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#define DATA_ALLOCATION_MEM_FACTOR 5000000 //5MB
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struct OpenCLPlatformDevice {
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OpenCLPlatformDevice(cl_platform_id platform_id,
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const string& platform_name,
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cl_device_id device_id,
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cl_device_type device_type,
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const string& device_name)
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: platform_id(platform_id),
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platform_name(platform_name),
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device_id(device_id),
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device_type(device_type),
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device_name(device_name) {}
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cl_platform_id platform_id;
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string platform_name;
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cl_device_id device_id;
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cl_device_type device_type;
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string device_name;
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};
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/* Contains all static OpenCL helper functions. */
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class OpenCLInfo
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{
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public:
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static cl_device_type device_type();
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static bool use_debug();
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static bool kernel_use_advanced_shading(const string& platform_name);
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static bool kernel_use_split(const string& platform_name,
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const cl_device_type device_type);
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static bool device_supported(const string& platform_name,
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const cl_device_id device_id);
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static bool platform_version_check(cl_platform_id platform,
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string *error = NULL);
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static bool device_version_check(cl_device_id device,
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string *error = NULL);
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static void get_usable_devices(vector<OpenCLPlatformDevice> *usable_devices,
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bool force_all = false);
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};
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/* Thread safe cache for contexts and programs.
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*/
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class OpenCLCache
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{
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struct Slot
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{
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struct ProgramEntry
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{
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ProgramEntry();
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ProgramEntry(const ProgramEntry& rhs);
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~ProgramEntry();
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cl_program program;
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thread_mutex *mutex;
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};
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Slot();
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Slot(const Slot& rhs);
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~Slot();
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thread_mutex *context_mutex;
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cl_context context;
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typedef map<ustring, ProgramEntry> EntryMap;
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EntryMap programs;
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};
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/* key is combination of platform ID and device ID */
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typedef pair<cl_platform_id, cl_device_id> PlatformDevicePair;
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/* map of Slot objects */
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typedef map<PlatformDevicePair, Slot> CacheMap;
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CacheMap cache;
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/* MD5 hash of the kernel source. */
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string kernel_md5;
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thread_mutex cache_lock;
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thread_mutex kernel_md5_lock;
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/* lazy instantiate */
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static OpenCLCache& global_instance();
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public:
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enum ProgramName {
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OCL_DEV_BASE_PROGRAM,
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OCL_DEV_MEGAKERNEL_PROGRAM,
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};
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/* Lookup context in the cache. If this returns NULL, slot_locker
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* will be holding a lock for the cache. slot_locker should refer to a
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* default constructed thread_scoped_lock. */
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static cl_context get_context(cl_platform_id platform,
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cl_device_id device,
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thread_scoped_lock& slot_locker);
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/* Same as above. */
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static cl_program get_program(cl_platform_id platform,
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cl_device_id device,
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ustring key,
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thread_scoped_lock& slot_locker);
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/* Store context in the cache. You MUST have tried to get the item before storing to it. */
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static void store_context(cl_platform_id platform,
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cl_device_id device,
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cl_context context,
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thread_scoped_lock& slot_locker);
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/* Same as above. */
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static void store_program(cl_platform_id platform,
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cl_device_id device,
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cl_program program,
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ustring key,
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thread_scoped_lock& slot_locker);
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static string get_kernel_md5();
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};
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#define opencl_assert(stmt) \
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{ \
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cl_int err = stmt; \
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\
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if(err != CL_SUCCESS) { \
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string message = string_printf("OpenCL error: %s in %s", clewErrorString(err), #stmt); \
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if(error_msg == "") \
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error_msg = message; \
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fprintf(stderr, "%s\n", message.c_str()); \
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} \
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} (void)0
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class OpenCLDeviceBase : public Device
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{
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public:
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DedicatedTaskPool task_pool;
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cl_context cxContext;
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cl_command_queue cqCommandQueue;
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cl_platform_id cpPlatform;
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cl_device_id cdDevice;
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cl_int ciErr;
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class OpenCLProgram {
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public:
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OpenCLProgram() : loaded(false), device(NULL) {}
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OpenCLProgram(OpenCLDeviceBase *device,
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string program_name,
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string kernel_name,
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string kernel_build_options);
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~OpenCLProgram();
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void add_kernel(ustring name);
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void load();
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bool is_loaded() { return loaded; }
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string get_log() { return log; }
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void report_error();
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cl_kernel operator()();
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cl_kernel operator()(ustring name);
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void release();
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private:
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bool build_kernel(const string *debug_src);
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bool compile_kernel(const string *debug_src);
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bool load_binary(const string& clbin, const string *debug_src = NULL);
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bool save_binary(const string& clbin);
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bool loaded;
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cl_program program;
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OpenCLDeviceBase *device;
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/* Used for the OpenCLCache key. */
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string program_name;
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string kernel_file, kernel_build_options, device_md5;
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string error_msg, output_msg;
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string log;
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map<ustring, cl_kernel> kernels;
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};
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OpenCLProgram base_program;
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typedef map<string, device_vector<uchar>*> ConstMemMap;
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typedef map<string, device_ptr> MemMap;
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ConstMemMap const_mem_map;
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MemMap mem_map;
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device_ptr null_mem;
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bool device_initialized;
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string platform_name;
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bool opencl_error(cl_int err);
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void opencl_error(const string& message);
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void opencl_assert_err(cl_int err, const char* where);
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OpenCLDeviceBase(DeviceInfo& info, Stats &stats, bool background_);
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~OpenCLDeviceBase();
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static void CL_CALLBACK context_notify_callback(const char *err_info,
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const void * /*private_info*/, size_t /*cb*/, void *user_data);
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bool opencl_version_check();
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string device_md5_hash(string kernel_custom_build_options = "");
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bool load_kernels(const DeviceRequestedFeatures& requested_features);
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/* Has to be implemented by the real device classes.
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* The base device will then load all these programs. */
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virtual void load_kernels(const DeviceRequestedFeatures& requested_features,
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vector<OpenCLProgram*> &programs) = 0;
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void mem_alloc(device_memory& mem, MemoryType type);
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void mem_copy_to(device_memory& mem);
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void mem_copy_from(device_memory& mem, int y, int w, int h, int elem);
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void mem_zero(device_memory& mem);
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void mem_free(device_memory& mem);
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void const_copy_to(const char *name, void *host, size_t size);
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void tex_alloc(const char *name,
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device_memory& mem,
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InterpolationType /*interpolation*/,
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ExtensionType /*extension*/);
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void tex_free(device_memory& mem);
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size_t global_size_round_up(int group_size, int global_size);
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void enqueue_kernel(cl_kernel kernel, size_t w, size_t h);
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void set_kernel_arg_mem(cl_kernel kernel, cl_uint *narg, const char *name);
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void film_convert(DeviceTask& task, device_ptr buffer, device_ptr rgba_byte, device_ptr rgba_half);
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void shader(DeviceTask& task);
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class OpenCLDeviceTask : public DeviceTask {
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public:
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OpenCLDeviceTask(OpenCLDeviceBase *device, DeviceTask& task)
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: DeviceTask(task)
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{
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run = function_bind(&OpenCLDeviceBase::thread_run,
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device,
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this);
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}
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};
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int get_split_task_count(DeviceTask& /*task*/)
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{
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return 1;
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}
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void task_add(DeviceTask& task)
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{
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task_pool.push(new OpenCLDeviceTask(this, task));
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}
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void task_wait()
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{
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task_pool.wait();
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}
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void task_cancel()
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{
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task_pool.cancel();
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}
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virtual void thread_run(DeviceTask * /*task*/) = 0;
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protected:
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string kernel_build_options(const string *debug_src = NULL);
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class ArgumentWrapper {
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public:
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ArgumentWrapper() : size(0), pointer(NULL) {}
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template <typename T>
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ArgumentWrapper(T& argument) : size(sizeof(argument)),
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pointer(&argument) { }
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ArgumentWrapper(int argument) : size(sizeof(int)),
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int_value(argument),
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pointer(&int_value) { }
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ArgumentWrapper(float argument) : size(sizeof(float)),
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float_value(argument),
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pointer(&float_value) { }
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size_t size;
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int int_value;
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float float_value;
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void *pointer;
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};
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/* TODO(sergey): In the future we can use variadic templates, once
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* C++0x is allowed. Should allow to clean this up a bit.
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*/
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int kernel_set_args(cl_kernel kernel,
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int start_argument_index,
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const ArgumentWrapper& arg1 = ArgumentWrapper(),
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const ArgumentWrapper& arg2 = ArgumentWrapper(),
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const ArgumentWrapper& arg3 = ArgumentWrapper(),
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const ArgumentWrapper& arg4 = ArgumentWrapper(),
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const ArgumentWrapper& arg5 = ArgumentWrapper(),
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const ArgumentWrapper& arg6 = ArgumentWrapper(),
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const ArgumentWrapper& arg7 = ArgumentWrapper(),
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const ArgumentWrapper& arg8 = ArgumentWrapper(),
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const ArgumentWrapper& arg9 = ArgumentWrapper(),
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const ArgumentWrapper& arg10 = ArgumentWrapper(),
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const ArgumentWrapper& arg11 = ArgumentWrapper(),
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const ArgumentWrapper& arg12 = ArgumentWrapper(),
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const ArgumentWrapper& arg13 = ArgumentWrapper(),
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const ArgumentWrapper& arg14 = ArgumentWrapper(),
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const ArgumentWrapper& arg15 = ArgumentWrapper(),
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const ArgumentWrapper& arg16 = ArgumentWrapper(),
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const ArgumentWrapper& arg17 = ArgumentWrapper(),
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const ArgumentWrapper& arg18 = ArgumentWrapper(),
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const ArgumentWrapper& arg19 = ArgumentWrapper(),
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const ArgumentWrapper& arg20 = ArgumentWrapper(),
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const ArgumentWrapper& arg21 = ArgumentWrapper(),
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const ArgumentWrapper& arg22 = ArgumentWrapper(),
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const ArgumentWrapper& arg23 = ArgumentWrapper(),
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const ArgumentWrapper& arg24 = ArgumentWrapper(),
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const ArgumentWrapper& arg25 = ArgumentWrapper(),
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const ArgumentWrapper& arg26 = ArgumentWrapper(),
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const ArgumentWrapper& arg27 = ArgumentWrapper(),
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const ArgumentWrapper& arg28 = ArgumentWrapper(),
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const ArgumentWrapper& arg29 = ArgumentWrapper(),
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const ArgumentWrapper& arg30 = ArgumentWrapper(),
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const ArgumentWrapper& arg31 = ArgumentWrapper(),
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const ArgumentWrapper& arg32 = ArgumentWrapper(),
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const ArgumentWrapper& arg33 = ArgumentWrapper());
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void release_kernel_safe(cl_kernel kernel);
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void release_mem_object_safe(cl_mem mem);
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void release_program_safe(cl_program program);
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/* ** Those guys are for workign around some compiler-specific bugs ** */
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virtual cl_program load_cached_kernel(
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ustring key,
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thread_scoped_lock& cache_locker);
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virtual void store_cached_kernel(
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cl_program program,
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ustring key,
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thread_scoped_lock& cache_locker);
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virtual string build_options_for_base_program(
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const DeviceRequestedFeatures& /*requested_features*/);
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};
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Device *opencl_create_mega_device(DeviceInfo& info, Stats& stats, bool background);
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Device *opencl_create_split_device(DeviceInfo& info, Stats& stats, bool background);
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CCL_NAMESPACE_END
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#endif
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@ -0,0 +1,728 @@
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/*
|
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* Copyright 2011-2013 Blender Foundation
|
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*
|
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* 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
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#include "opencl.h"
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#include "kernel_types.h"
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#include "util_foreach.h"
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#include "util_logging.h"
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#include "util_md5.h"
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#include "util_path.h"
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#include "util_time.h"
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|
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CCL_NAMESPACE_BEGIN
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bool OpenCLDeviceBase::opencl_error(cl_int err)
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{
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if(err != CL_SUCCESS) {
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string message = string_printf("OpenCL error (%d): %s", err, clewErrorString(err));
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if(error_msg == "")
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error_msg = message;
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fprintf(stderr, "%s\n", message.c_str());
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return true;
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}
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return false;
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}
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void OpenCLDeviceBase::opencl_error(const string& message)
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{
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if(error_msg == "")
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error_msg = message;
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fprintf(stderr, "%s\n", message.c_str());
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}
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|
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void OpenCLDeviceBase::opencl_assert_err(cl_int err, const char* where)
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{
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if(err != CL_SUCCESS) {
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string message = string_printf("OpenCL error (%d): %s in %s", err, clewErrorString(err), where);
|
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if(error_msg == "")
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error_msg = message;
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fprintf(stderr, "%s\n", message.c_str());
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#ifndef NDEBUG
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||||
abort();
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||||
#endif
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||||
}
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||||
}
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|
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OpenCLDeviceBase::OpenCLDeviceBase(DeviceInfo& info, Stats &stats, bool background_)
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||||
: Device(info, stats, background_)
|
||||
{
|
||||
cpPlatform = NULL;
|
||||
cdDevice = NULL;
|
||||
cxContext = NULL;
|
||||
cqCommandQueue = NULL;
|
||||
null_mem = 0;
|
||||
device_initialized = false;
|
||||
|
||||
vector<OpenCLPlatformDevice> usable_devices;
|
||||
OpenCLInfo::get_usable_devices(&usable_devices);
|
||||
if(usable_devices.size() == 0) {
|
||||
opencl_error("OpenCL: no devices found.");
|
||||
return;
|
||||
}
|
||||
assert(info.num < usable_devices.size());
|
||||
OpenCLPlatformDevice& platform_device = usable_devices[info.num];
|
||||
cpPlatform = platform_device.platform_id;
|
||||
cdDevice = platform_device.device_id;
|
||||
platform_name = platform_device.platform_name;
|
||||
VLOG(2) << "Creating new Cycles device for OpenCL platform "
|
||||
<< platform_name << ", device "
|
||||
<< platform_device.device_name << ".";
|
||||
|
||||
{
|
||||
/* try to use cached context */
|
||||
thread_scoped_lock cache_locker;
|
||||
cxContext = OpenCLCache::get_context(cpPlatform, cdDevice, cache_locker);
|
||||
|
||||
if(cxContext == NULL) {
|
||||
/* create context properties array to specify platform */
|
||||
const cl_context_properties context_props[] = {
|
||||
CL_CONTEXT_PLATFORM, (cl_context_properties)cpPlatform,
|
||||
0, 0
|
||||
};
|
||||
|
||||
/* create context */
|
||||
cxContext = clCreateContext(context_props, 1, &cdDevice,
|
||||
context_notify_callback, cdDevice, &ciErr);
|
||||
|
||||
if(opencl_error(ciErr)) {
|
||||
opencl_error("OpenCL: clCreateContext failed");
|
||||
return;
|
||||
}
|
||||
|
||||
/* cache it */
|
||||
OpenCLCache::store_context(cpPlatform, cdDevice, cxContext, cache_locker);
|
||||
}
|
||||
}
|
||||
|
||||
cqCommandQueue = clCreateCommandQueue(cxContext, cdDevice, 0, &ciErr);
|
||||
if(opencl_error(ciErr))
|
||||
return;
|
||||
|
||||
null_mem = (device_ptr)clCreateBuffer(cxContext, CL_MEM_READ_ONLY, 1, NULL, &ciErr);
|
||||
if(opencl_error(ciErr))
|
||||
return;
|
||||
|
||||
fprintf(stderr, "Device init success\n");
|
||||
device_initialized = true;
|
||||
}
|
||||
|
||||
OpenCLDeviceBase::~OpenCLDeviceBase()
|
||||
{
|
||||
task_pool.stop();
|
||||
|
||||
if(null_mem)
|
||||
clReleaseMemObject(CL_MEM_PTR(null_mem));
|
||||
|
||||
ConstMemMap::iterator mt;
|
||||
for(mt = const_mem_map.begin(); mt != const_mem_map.end(); mt++) {
|
||||
mem_free(*(mt->second));
|
||||
delete mt->second;
|
||||
}
|
||||
|
||||
base_program.release();
|
||||
if(cqCommandQueue)
|
||||
clReleaseCommandQueue(cqCommandQueue);
|
||||
if(cxContext)
|
||||
clReleaseContext(cxContext);
|
||||
}
|
||||
|
||||
void CL_CALLBACK OpenCLDeviceBase::context_notify_callback(const char *err_info,
|
||||
const void * /*private_info*/, size_t /*cb*/, void *user_data)
|
||||
{
|
||||
char name[256];
|
||||
clGetDeviceInfo((cl_device_id)user_data, CL_DEVICE_NAME, sizeof(name), &name, NULL);
|
||||
|
||||
fprintf(stderr, "OpenCL error (%s): %s\n", name, err_info);
|
||||
}
|
||||
|
||||
bool OpenCLDeviceBase::opencl_version_check()
|
||||
{
|
||||
string error;
|
||||
if(!OpenCLInfo::platform_version_check(cpPlatform, &error)) {
|
||||
opencl_error(error);
|
||||
return false;
|
||||
}
|
||||
if(!OpenCLInfo::device_version_check(cdDevice, &error)) {
|
||||
opencl_error(error);
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
string OpenCLDeviceBase::device_md5_hash(string kernel_custom_build_options)
|
||||
{
|
||||
MD5Hash md5;
|
||||
char version[256], driver[256], name[256], vendor[256];
|
||||
|
||||
clGetPlatformInfo(cpPlatform, CL_PLATFORM_VENDOR, sizeof(vendor), &vendor, NULL);
|
||||
clGetDeviceInfo(cdDevice, CL_DEVICE_VERSION, sizeof(version), &version, NULL);
|
||||
clGetDeviceInfo(cdDevice, CL_DEVICE_NAME, sizeof(name), &name, NULL);
|
||||
clGetDeviceInfo(cdDevice, CL_DRIVER_VERSION, sizeof(driver), &driver, NULL);
|
||||
|
||||
md5.append((uint8_t*)vendor, strlen(vendor));
|
||||
md5.append((uint8_t*)version, strlen(version));
|
||||
md5.append((uint8_t*)name, strlen(name));
|
||||
md5.append((uint8_t*)driver, strlen(driver));
|
||||
|
||||
string options = kernel_build_options();
|
||||
options += kernel_custom_build_options;
|
||||
md5.append((uint8_t*)options.c_str(), options.size());
|
||||
|
||||
return md5.get_hex();
|
||||
}
|
||||
|
||||
bool OpenCLDeviceBase::load_kernels(const DeviceRequestedFeatures& requested_features)
|
||||
{
|
||||
/* Verify if device was initialized. */
|
||||
if(!device_initialized) {
|
||||
fprintf(stderr, "OpenCL: failed to initialize device.\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
/* Verify we have right opencl version. */
|
||||
if(!opencl_version_check())
|
||||
return false;
|
||||
|
||||
base_program = OpenCLProgram(this, "base", "kernel.cl", build_options_for_base_program(requested_features));
|
||||
base_program.add_kernel(ustring("convert_to_byte"));
|
||||
base_program.add_kernel(ustring("convert_to_half_float"));
|
||||
base_program.add_kernel(ustring("shader"));
|
||||
base_program.add_kernel(ustring("bake"));
|
||||
|
||||
vector<OpenCLProgram*> programs;
|
||||
programs.push_back(&base_program);
|
||||
/* Call actual class to fill the vector with its programs. */
|
||||
load_kernels(requested_features, programs);
|
||||
|
||||
TaskPool task_pool;
|
||||
foreach(OpenCLProgram *program, programs) {
|
||||
task_pool.push(function_bind(&OpenCLProgram::load, program));
|
||||
}
|
||||
task_pool.wait_work();
|
||||
|
||||
foreach(OpenCLProgram *program, programs) {
|
||||
VLOG(2) << program->get_log();
|
||||
if(!program->is_loaded()) {
|
||||
program->report_error();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::mem_alloc(device_memory& mem, MemoryType type)
|
||||
{
|
||||
size_t size = mem.memory_size();
|
||||
|
||||
cl_mem_flags mem_flag;
|
||||
void *mem_ptr = NULL;
|
||||
|
||||
if(type == MEM_READ_ONLY)
|
||||
mem_flag = CL_MEM_READ_ONLY;
|
||||
else if(type == MEM_WRITE_ONLY)
|
||||
mem_flag = CL_MEM_WRITE_ONLY;
|
||||
else
|
||||
mem_flag = CL_MEM_READ_WRITE;
|
||||
|
||||
/* Zero-size allocation might be invoked by render, but not really
|
||||
* supported by OpenCL. Using NULL as device pointer also doesn't really
|
||||
* work for some reason, so for the time being we'll use special case
|
||||
* will null_mem buffer.
|
||||
*/
|
||||
if(size != 0) {
|
||||
mem.device_pointer = (device_ptr)clCreateBuffer(cxContext,
|
||||
mem_flag,
|
||||
size,
|
||||
mem_ptr,
|
||||
&ciErr);
|
||||
opencl_assert_err(ciErr, "clCreateBuffer");
|
||||
}
|
||||
else {
|
||||
mem.device_pointer = null_mem;
|
||||
}
|
||||
|
||||
stats.mem_alloc(size);
|
||||
mem.device_size = size;
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::mem_copy_to(device_memory& mem)
|
||||
{
|
||||
/* this is blocking */
|
||||
size_t size = mem.memory_size();
|
||||
if(size != 0) {
|
||||
opencl_assert(clEnqueueWriteBuffer(cqCommandQueue,
|
||||
CL_MEM_PTR(mem.device_pointer),
|
||||
CL_TRUE,
|
||||
0,
|
||||
size,
|
||||
(void*)mem.data_pointer,
|
||||
0,
|
||||
NULL, NULL));
|
||||
}
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::mem_copy_from(device_memory& mem, int y, int w, int h, int elem)
|
||||
{
|
||||
size_t offset = elem*y*w;
|
||||
size_t size = elem*w*h;
|
||||
assert(size != 0);
|
||||
opencl_assert(clEnqueueReadBuffer(cqCommandQueue,
|
||||
CL_MEM_PTR(mem.device_pointer),
|
||||
CL_TRUE,
|
||||
offset,
|
||||
size,
|
||||
(uchar*)mem.data_pointer + offset,
|
||||
0,
|
||||
NULL, NULL));
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::mem_zero(device_memory& mem)
|
||||
{
|
||||
if(mem.device_pointer) {
|
||||
memset((void*)mem.data_pointer, 0, mem.memory_size());
|
||||
mem_copy_to(mem);
|
||||
}
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::mem_free(device_memory& mem)
|
||||
{
|
||||
if(mem.device_pointer) {
|
||||
if(mem.device_pointer != null_mem) {
|
||||
opencl_assert(clReleaseMemObject(CL_MEM_PTR(mem.device_pointer)));
|
||||
}
|
||||
mem.device_pointer = 0;
|
||||
|
||||
stats.mem_free(mem.device_size);
|
||||
mem.device_size = 0;
|
||||
}
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::const_copy_to(const char *name, void *host, size_t size)
|
||||
{
|
||||
ConstMemMap::iterator i = const_mem_map.find(name);
|
||||
|
||||
if(i == const_mem_map.end()) {
|
||||
device_vector<uchar> *data = new device_vector<uchar>();
|
||||
data->copy((uchar*)host, size);
|
||||
|
||||
mem_alloc(*data, MEM_READ_ONLY);
|
||||
i = const_mem_map.insert(ConstMemMap::value_type(name, data)).first;
|
||||
}
|
||||
else {
|
||||
device_vector<uchar> *data = i->second;
|
||||
data->copy((uchar*)host, size);
|
||||
}
|
||||
|
||||
mem_copy_to(*i->second);
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::tex_alloc(const char *name,
|
||||
device_memory& mem,
|
||||
InterpolationType /*interpolation*/,
|
||||
ExtensionType /*extension*/)
|
||||
{
|
||||
VLOG(1) << "Texture allocate: " << name << ", "
|
||||
<< string_human_readable_number(mem.memory_size()) << " bytes. ("
|
||||
<< string_human_readable_size(mem.memory_size()) << ")";
|
||||
mem_alloc(mem, MEM_READ_ONLY);
|
||||
mem_copy_to(mem);
|
||||
assert(mem_map.find(name) == mem_map.end());
|
||||
mem_map.insert(MemMap::value_type(name, mem.device_pointer));
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::tex_free(device_memory& mem)
|
||||
{
|
||||
if(mem.device_pointer) {
|
||||
foreach(const MemMap::value_type& value, mem_map) {
|
||||
if(value.second == mem.device_pointer) {
|
||||
mem_map.erase(value.first);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
mem_free(mem);
|
||||
}
|
||||
}
|
||||
|
||||
size_t OpenCLDeviceBase::global_size_round_up(int group_size, int global_size)
|
||||
{
|
||||
int r = global_size % group_size;
|
||||
return global_size + ((r == 0)? 0: group_size - r);
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::enqueue_kernel(cl_kernel kernel, size_t w, size_t h)
|
||||
{
|
||||
size_t workgroup_size, max_work_items[3];
|
||||
|
||||
clGetKernelWorkGroupInfo(kernel, cdDevice,
|
||||
CL_KERNEL_WORK_GROUP_SIZE, sizeof(size_t), &workgroup_size, NULL);
|
||||
clGetDeviceInfo(cdDevice,
|
||||
CL_DEVICE_MAX_WORK_ITEM_SIZES, sizeof(size_t)*3, max_work_items, NULL);
|
||||
|
||||
/* Try to divide evenly over 2 dimensions. */
|
||||
size_t sqrt_workgroup_size = max((size_t)sqrt((double)workgroup_size), 1);
|
||||
size_t local_size[2] = {sqrt_workgroup_size, sqrt_workgroup_size};
|
||||
|
||||
/* Some implementations have max size 1 on 2nd dimension. */
|
||||
if(local_size[1] > max_work_items[1]) {
|
||||
local_size[0] = workgroup_size/max_work_items[1];
|
||||
local_size[1] = max_work_items[1];
|
||||
}
|
||||
|
||||
size_t global_size[2] = {global_size_round_up(local_size[0], w),
|
||||
global_size_round_up(local_size[1], h)};
|
||||
|
||||
/* Vertical size of 1 is coming from bake/shade kernels where we should
|
||||
* not round anything up because otherwise we'll either be doing too
|
||||
* much work per pixel (if we don't check global ID on Y axis) or will
|
||||
* be checking for global ID to always have Y of 0.
|
||||
*/
|
||||
if (h == 1) {
|
||||
global_size[h] = 1;
|
||||
}
|
||||
|
||||
/* run kernel */
|
||||
opencl_assert(clEnqueueNDRangeKernel(cqCommandQueue, kernel, 2, NULL, global_size, NULL, 0, NULL, NULL));
|
||||
opencl_assert(clFlush(cqCommandQueue));
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::set_kernel_arg_mem(cl_kernel kernel, cl_uint *narg, const char *name)
|
||||
{
|
||||
cl_mem ptr;
|
||||
|
||||
MemMap::iterator i = mem_map.find(name);
|
||||
if(i != mem_map.end()) {
|
||||
ptr = CL_MEM_PTR(i->second);
|
||||
}
|
||||
else {
|
||||
/* work around NULL not working, even though the spec says otherwise */
|
||||
ptr = CL_MEM_PTR(null_mem);
|
||||
}
|
||||
|
||||
opencl_assert(clSetKernelArg(kernel, (*narg)++, sizeof(ptr), (void*)&ptr));
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::film_convert(DeviceTask& task, device_ptr buffer, device_ptr rgba_byte, device_ptr rgba_half)
|
||||
{
|
||||
/* cast arguments to cl types */
|
||||
cl_mem d_data = CL_MEM_PTR(const_mem_map["__data"]->device_pointer);
|
||||
cl_mem d_rgba = (rgba_byte)? CL_MEM_PTR(rgba_byte): CL_MEM_PTR(rgba_half);
|
||||
cl_mem d_buffer = CL_MEM_PTR(buffer);
|
||||
cl_int d_x = task.x;
|
||||
cl_int d_y = task.y;
|
||||
cl_int d_w = task.w;
|
||||
cl_int d_h = task.h;
|
||||
cl_float d_sample_scale = 1.0f/(task.sample + 1);
|
||||
cl_int d_offset = task.offset;
|
||||
cl_int d_stride = task.stride;
|
||||
|
||||
|
||||
cl_kernel ckFilmConvertKernel = (rgba_byte)? base_program(ustring("convert_to_byte")): base_program(ustring("convert_to_half_float"));
|
||||
|
||||
cl_uint start_arg_index =
|
||||
kernel_set_args(ckFilmConvertKernel,
|
||||
0,
|
||||
d_data,
|
||||
d_rgba,
|
||||
d_buffer);
|
||||
|
||||
#define KERNEL_TEX(type, ttype, name) \
|
||||
set_kernel_arg_mem(ckFilmConvertKernel, &start_arg_index, #name);
|
||||
#include "kernel_textures.h"
|
||||
#undef KERNEL_TEX
|
||||
|
||||
start_arg_index += kernel_set_args(ckFilmConvertKernel,
|
||||
start_arg_index,
|
||||
d_sample_scale,
|
||||
d_x,
|
||||
d_y,
|
||||
d_w,
|
||||
d_h,
|
||||
d_offset,
|
||||
d_stride);
|
||||
|
||||
enqueue_kernel(ckFilmConvertKernel, d_w, d_h);
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::shader(DeviceTask& task)
|
||||
{
|
||||
/* cast arguments to cl types */
|
||||
cl_mem d_data = CL_MEM_PTR(const_mem_map["__data"]->device_pointer);
|
||||
cl_mem d_input = CL_MEM_PTR(task.shader_input);
|
||||
cl_mem d_output = CL_MEM_PTR(task.shader_output);
|
||||
cl_mem d_output_luma = CL_MEM_PTR(task.shader_output_luma);
|
||||
cl_int d_shader_eval_type = task.shader_eval_type;
|
||||
cl_int d_shader_filter = task.shader_filter;
|
||||
cl_int d_shader_x = task.shader_x;
|
||||
cl_int d_shader_w = task.shader_w;
|
||||
cl_int d_offset = task.offset;
|
||||
|
||||
cl_kernel kernel;
|
||||
|
||||
if(task.shader_eval_type >= SHADER_EVAL_BAKE)
|
||||
kernel = base_program(ustring("shader"));
|
||||
else
|
||||
kernel = base_program(ustring("bake"));
|
||||
|
||||
cl_uint start_arg_index =
|
||||
kernel_set_args(kernel,
|
||||
0,
|
||||
d_data,
|
||||
d_input,
|
||||
d_output);
|
||||
|
||||
if(task.shader_eval_type < SHADER_EVAL_BAKE) {
|
||||
start_arg_index += kernel_set_args(kernel,
|
||||
start_arg_index,
|
||||
d_output_luma);
|
||||
}
|
||||
|
||||
#define KERNEL_TEX(type, ttype, name) \
|
||||
set_kernel_arg_mem(kernel, &start_arg_index, #name);
|
||||
#include "kernel_textures.h"
|
||||
#undef KERNEL_TEX
|
||||
|
||||
start_arg_index += kernel_set_args(kernel,
|
||||
start_arg_index,
|
||||
d_shader_eval_type);
|
||||
if(task.shader_eval_type >= SHADER_EVAL_BAKE) {
|
||||
start_arg_index += kernel_set_args(kernel,
|
||||
start_arg_index,
|
||||
d_shader_filter);
|
||||
}
|
||||
start_arg_index += kernel_set_args(kernel,
|
||||
start_arg_index,
|
||||
d_shader_x,
|
||||
d_shader_w,
|
||||
d_offset);
|
||||
|
||||
for(int sample = 0; sample < task.num_samples; sample++) {
|
||||
|
||||
if(task.get_cancel())
|
||||
break;
|
||||
|
||||
kernel_set_args(kernel, start_arg_index, sample);
|
||||
|
||||
enqueue_kernel(kernel, task.shader_w, 1);
|
||||
|
||||
clFinish(cqCommandQueue);
|
||||
|
||||
task.update_progress(NULL);
|
||||
}
|
||||
}
|
||||
|
||||
string OpenCLDeviceBase::kernel_build_options(const string *debug_src)
|
||||
{
|
||||
string build_options = "-cl-fast-relaxed-math ";
|
||||
|
||||
if(platform_name == "NVIDIA CUDA") {
|
||||
build_options += "-D__KERNEL_OPENCL_NVIDIA__ "
|
||||
"-cl-nv-maxrregcount=32 "
|
||||
"-cl-nv-verbose ";
|
||||
|
||||
uint compute_capability_major, compute_capability_minor;
|
||||
clGetDeviceInfo(cdDevice, CL_DEVICE_COMPUTE_CAPABILITY_MAJOR_NV,
|
||||
sizeof(cl_uint), &compute_capability_major, NULL);
|
||||
clGetDeviceInfo(cdDevice, CL_DEVICE_COMPUTE_CAPABILITY_MINOR_NV,
|
||||
sizeof(cl_uint), &compute_capability_minor, NULL);
|
||||
|
||||
build_options += string_printf("-D__COMPUTE_CAPABILITY__=%u ",
|
||||
compute_capability_major * 100 +
|
||||
compute_capability_minor * 10);
|
||||
}
|
||||
|
||||
else if(platform_name == "Apple")
|
||||
build_options += "-D__KERNEL_OPENCL_APPLE__ ";
|
||||
|
||||
else if(platform_name == "AMD Accelerated Parallel Processing")
|
||||
build_options += "-D__KERNEL_OPENCL_AMD__ ";
|
||||
|
||||
else if(platform_name == "Intel(R) OpenCL") {
|
||||
build_options += "-D__KERNEL_OPENCL_INTEL_CPU__ ";
|
||||
|
||||
/* Options for gdb source level kernel debugging.
|
||||
* this segfaults on linux currently.
|
||||
*/
|
||||
if(OpenCLInfo::use_debug() && debug_src)
|
||||
build_options += "-g -s \"" + *debug_src + "\" ";
|
||||
}
|
||||
|
||||
if(OpenCLInfo::use_debug())
|
||||
build_options += "-D__KERNEL_OPENCL_DEBUG__ ";
|
||||
|
||||
#ifdef WITH_CYCLES_DEBUG
|
||||
build_options += "-D__KERNEL_DEBUG__ ";
|
||||
#endif
|
||||
|
||||
return build_options;
|
||||
}
|
||||
|
||||
/* TODO(sergey): In the future we can use variadic templates, once
|
||||
* C++0x is allowed. Should allow to clean this up a bit.
|
||||
*/
|
||||
int OpenCLDeviceBase::kernel_set_args(cl_kernel kernel,
|
||||
int start_argument_index,
|
||||
const ArgumentWrapper& arg1,
|
||||
const ArgumentWrapper& arg2,
|
||||
const ArgumentWrapper& arg3,
|
||||
const ArgumentWrapper& arg4,
|
||||
const ArgumentWrapper& arg5,
|
||||
const ArgumentWrapper& arg6,
|
||||
const ArgumentWrapper& arg7,
|
||||
const ArgumentWrapper& arg8,
|
||||
const ArgumentWrapper& arg9,
|
||||
const ArgumentWrapper& arg10,
|
||||
const ArgumentWrapper& arg11,
|
||||
const ArgumentWrapper& arg12,
|
||||
const ArgumentWrapper& arg13,
|
||||
const ArgumentWrapper& arg14,
|
||||
const ArgumentWrapper& arg15,
|
||||
const ArgumentWrapper& arg16,
|
||||
const ArgumentWrapper& arg17,
|
||||
const ArgumentWrapper& arg18,
|
||||
const ArgumentWrapper& arg19,
|
||||
const ArgumentWrapper& arg20,
|
||||
const ArgumentWrapper& arg21,
|
||||
const ArgumentWrapper& arg22,
|
||||
const ArgumentWrapper& arg23,
|
||||
const ArgumentWrapper& arg24,
|
||||
const ArgumentWrapper& arg25,
|
||||
const ArgumentWrapper& arg26,
|
||||
const ArgumentWrapper& arg27,
|
||||
const ArgumentWrapper& arg28,
|
||||
const ArgumentWrapper& arg29,
|
||||
const ArgumentWrapper& arg30,
|
||||
const ArgumentWrapper& arg31,
|
||||
const ArgumentWrapper& arg32,
|
||||
const ArgumentWrapper& arg33)
|
||||
{
|
||||
int current_arg_index = 0;
|
||||
#define FAKE_VARARG_HANDLE_ARG(arg) \
|
||||
do { \
|
||||
if(arg.pointer != NULL) { \
|
||||
opencl_assert(clSetKernelArg( \
|
||||
kernel, \
|
||||
start_argument_index + current_arg_index, \
|
||||
arg.size, arg.pointer)); \
|
||||
++current_arg_index; \
|
||||
} \
|
||||
else { \
|
||||
return current_arg_index; \
|
||||
} \
|
||||
} while(false)
|
||||
FAKE_VARARG_HANDLE_ARG(arg1);
|
||||
FAKE_VARARG_HANDLE_ARG(arg2);
|
||||
FAKE_VARARG_HANDLE_ARG(arg3);
|
||||
FAKE_VARARG_HANDLE_ARG(arg4);
|
||||
FAKE_VARARG_HANDLE_ARG(arg5);
|
||||
FAKE_VARARG_HANDLE_ARG(arg6);
|
||||
FAKE_VARARG_HANDLE_ARG(arg7);
|
||||
FAKE_VARARG_HANDLE_ARG(arg8);
|
||||
FAKE_VARARG_HANDLE_ARG(arg9);
|
||||
FAKE_VARARG_HANDLE_ARG(arg10);
|
||||
FAKE_VARARG_HANDLE_ARG(arg11);
|
||||
FAKE_VARARG_HANDLE_ARG(arg12);
|
||||
FAKE_VARARG_HANDLE_ARG(arg13);
|
||||
FAKE_VARARG_HANDLE_ARG(arg14);
|
||||
FAKE_VARARG_HANDLE_ARG(arg15);
|
||||
FAKE_VARARG_HANDLE_ARG(arg16);
|
||||
FAKE_VARARG_HANDLE_ARG(arg17);
|
||||
FAKE_VARARG_HANDLE_ARG(arg18);
|
||||
FAKE_VARARG_HANDLE_ARG(arg19);
|
||||
FAKE_VARARG_HANDLE_ARG(arg20);
|
||||
FAKE_VARARG_HANDLE_ARG(arg21);
|
||||
FAKE_VARARG_HANDLE_ARG(arg22);
|
||||
FAKE_VARARG_HANDLE_ARG(arg23);
|
||||
FAKE_VARARG_HANDLE_ARG(arg24);
|
||||
FAKE_VARARG_HANDLE_ARG(arg25);
|
||||
FAKE_VARARG_HANDLE_ARG(arg26);
|
||||
FAKE_VARARG_HANDLE_ARG(arg27);
|
||||
FAKE_VARARG_HANDLE_ARG(arg28);
|
||||
FAKE_VARARG_HANDLE_ARG(arg29);
|
||||
FAKE_VARARG_HANDLE_ARG(arg30);
|
||||
FAKE_VARARG_HANDLE_ARG(arg31);
|
||||
FAKE_VARARG_HANDLE_ARG(arg32);
|
||||
FAKE_VARARG_HANDLE_ARG(arg33);
|
||||
#undef FAKE_VARARG_HANDLE_ARG
|
||||
return current_arg_index;
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::release_kernel_safe(cl_kernel kernel)
|
||||
{
|
||||
if(kernel) {
|
||||
clReleaseKernel(kernel);
|
||||
}
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::release_mem_object_safe(cl_mem mem)
|
||||
{
|
||||
if(mem != NULL) {
|
||||
clReleaseMemObject(mem);
|
||||
}
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::release_program_safe(cl_program program)
|
||||
{
|
||||
if(program) {
|
||||
clReleaseProgram(program);
|
||||
}
|
||||
}
|
||||
|
||||
/* ** Those guys are for workign around some compiler-specific bugs ** */
|
||||
|
||||
cl_program OpenCLDeviceBase::load_cached_kernel(
|
||||
ustring key,
|
||||
thread_scoped_lock& cache_locker)
|
||||
{
|
||||
return OpenCLCache::get_program(cpPlatform,
|
||||
cdDevice,
|
||||
key,
|
||||
cache_locker);
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::store_cached_kernel(
|
||||
cl_program program,
|
||||
ustring key,
|
||||
thread_scoped_lock& cache_locker)
|
||||
{
|
||||
OpenCLCache::store_program(cpPlatform,
|
||||
cdDevice,
|
||||
program,
|
||||
key,
|
||||
cache_locker);
|
||||
}
|
||||
|
||||
string OpenCLDeviceBase::build_options_for_base_program(
|
||||
const DeviceRequestedFeatures& /*requested_features*/)
|
||||
{
|
||||
/* TODO(sergey): By default we compile all features, meaning
|
||||
* mega kernel is not getting feature-based optimizations.
|
||||
*
|
||||
* Ideally we need always compile kernel with as less features
|
||||
* enabled as possible to keep performance at it's max.
|
||||
*/
|
||||
return "";
|
||||
}
|
||||
|
||||
CCL_NAMESPACE_END
|
||||
|
||||
#endif
|
|
@ -0,0 +1,150 @@
|
|||
/*
|
||||
* 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 "opencl.h"
|
||||
|
||||
#include "buffers.h"
|
||||
|
||||
#include "kernel_types.h"
|
||||
|
||||
#include "util_md5.h"
|
||||
#include "util_path.h"
|
||||
#include "util_time.h"
|
||||
|
||||
CCL_NAMESPACE_BEGIN
|
||||
|
||||
class OpenCLDeviceMegaKernel : public OpenCLDeviceBase
|
||||
{
|
||||
public:
|
||||
OpenCLProgram path_trace_program;
|
||||
|
||||
OpenCLDeviceMegaKernel(DeviceInfo& info, Stats &stats, bool background_)
|
||||
: OpenCLDeviceBase(info, stats, background_),
|
||||
path_trace_program(this, "megakernel", "kernel.cl", "-D__COMPILE_ONLY_MEGAKERNEL__ ")
|
||||
{
|
||||
}
|
||||
|
||||
virtual void load_kernels(const DeviceRequestedFeatures& /*requested_features*/,
|
||||
vector<OpenCLProgram*> &programs)
|
||||
{
|
||||
path_trace_program.add_kernel(ustring("path_trace"));
|
||||
programs.push_back(&path_trace_program);
|
||||
}
|
||||
|
||||
~OpenCLDeviceMegaKernel()
|
||||
{
|
||||
task_pool.stop();
|
||||
path_trace_program.release();
|
||||
}
|
||||
|
||||
void path_trace(RenderTile& rtile, int sample)
|
||||
{
|
||||
/* Cast arguments to cl types. */
|
||||
cl_mem d_data = CL_MEM_PTR(const_mem_map["__data"]->device_pointer);
|
||||
cl_mem d_buffer = CL_MEM_PTR(rtile.buffer);
|
||||
cl_mem d_rng_state = CL_MEM_PTR(rtile.rng_state);
|
||||
cl_int d_x = rtile.x;
|
||||
cl_int d_y = rtile.y;
|
||||
cl_int d_w = rtile.w;
|
||||
cl_int d_h = rtile.h;
|
||||
cl_int d_offset = rtile.offset;
|
||||
cl_int d_stride = rtile.stride;
|
||||
|
||||
/* Sample arguments. */
|
||||
cl_int d_sample = sample;
|
||||
|
||||
cl_kernel ckPathTraceKernel = path_trace_program(ustring("path_trace"));
|
||||
|
||||
cl_uint start_arg_index =
|
||||
kernel_set_args(ckPathTraceKernel,
|
||||
0,
|
||||
d_data,
|
||||
d_buffer,
|
||||
d_rng_state);
|
||||
|
||||
#define KERNEL_TEX(type, ttype, name) \
|
||||
set_kernel_arg_mem(ckPathTraceKernel, &start_arg_index, #name);
|
||||
#include "kernel_textures.h"
|
||||
#undef KERNEL_TEX
|
||||
|
||||
start_arg_index += kernel_set_args(ckPathTraceKernel,
|
||||
start_arg_index,
|
||||
d_sample,
|
||||
d_x,
|
||||
d_y,
|
||||
d_w,
|
||||
d_h,
|
||||
d_offset,
|
||||
d_stride);
|
||||
|
||||
enqueue_kernel(ckPathTraceKernel, d_w, d_h);
|
||||
}
|
||||
|
||||
void thread_run(DeviceTask *task)
|
||||
{
|
||||
if(task->type == DeviceTask::FILM_CONVERT) {
|
||||
film_convert(*task, task->buffer, task->rgba_byte, task->rgba_half);
|
||||
}
|
||||
else if(task->type == DeviceTask::SHADER) {
|
||||
shader(*task);
|
||||
}
|
||||
else if(task->type == DeviceTask::PATH_TRACE) {
|
||||
RenderTile tile;
|
||||
/* Keep rendering tiles until done. */
|
||||
while(task->acquire_tile(this, tile)) {
|
||||
int start_sample = tile.start_sample;
|
||||
int end_sample = tile.start_sample + tile.num_samples;
|
||||
|
||||
for(int sample = start_sample; sample < end_sample; sample++) {
|
||||
if(task->get_cancel()) {
|
||||
if(task->need_finish_queue == false)
|
||||
break;
|
||||
}
|
||||
|
||||
path_trace(tile, sample);
|
||||
|
||||
tile.sample = sample + 1;
|
||||
|
||||
task->update_progress(&tile);
|
||||
}
|
||||
|
||||
/* Complete kernel execution before release tile */
|
||||
/* This helps in multi-device render;
|
||||
* The device that reaches the critical-section function
|
||||
* release_tile waits (stalling other devices from entering
|
||||
* release_tile) for all kernels to complete. If device1 (a
|
||||
* slow-render device) reaches release_tile first then it would
|
||||
* stall device2 (a fast-render device) from proceeding to render
|
||||
* next tile.
|
||||
*/
|
||||
clFinish(cqCommandQueue);
|
||||
|
||||
task->release_tile(tile);
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
Device *opencl_create_mega_device(DeviceInfo& info, Stats& stats, bool background)
|
||||
{
|
||||
return new OpenCLDeviceMegaKernel(info, stats, background);
|
||||
}
|
||||
|
||||
CCL_NAMESPACE_END
|
||||
|
||||
#endif
|
File diff suppressed because it is too large
Load Diff
|
@ -0,0 +1,761 @@
|
|||
/*
|
||||
* 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 "opencl.h"
|
||||
|
||||
#include "util_logging.h"
|
||||
#include "util_path.h"
|
||||
#include "util_time.h"
|
||||
|
||||
using std::cerr;
|
||||
using std::endl;
|
||||
|
||||
CCL_NAMESPACE_BEGIN
|
||||
|
||||
OpenCLCache::Slot::ProgramEntry::ProgramEntry()
|
||||
: program(NULL),
|
||||
mutex(NULL)
|
||||
{
|
||||
}
|
||||
|
||||
OpenCLCache::Slot::ProgramEntry::ProgramEntry(const ProgramEntry& rhs)
|
||||
: program(rhs.program),
|
||||
mutex(NULL)
|
||||
{
|
||||
}
|
||||
|
||||
OpenCLCache::Slot::ProgramEntry::~ProgramEntry()
|
||||
{
|
||||
delete mutex;
|
||||
}
|
||||
|
||||
OpenCLCache::Slot::Slot()
|
||||
: context_mutex(NULL),
|
||||
context(NULL)
|
||||
{
|
||||
}
|
||||
|
||||
OpenCLCache::Slot::Slot(const Slot& rhs)
|
||||
: context_mutex(NULL),
|
||||
context(NULL),
|
||||
programs(rhs.programs)
|
||||
{
|
||||
}
|
||||
|
||||
OpenCLCache::Slot::~Slot()
|
||||
{
|
||||
delete context_mutex;
|
||||
}
|
||||
|
||||
OpenCLCache& OpenCLCache::global_instance()
|
||||
{
|
||||
static OpenCLCache instance;
|
||||
return instance;
|
||||
}
|
||||
|
||||
cl_context OpenCLCache::get_context(cl_platform_id platform,
|
||||
cl_device_id device,
|
||||
thread_scoped_lock& slot_locker)
|
||||
{
|
||||
assert(platform != NULL);
|
||||
|
||||
OpenCLCache& self = global_instance();
|
||||
|
||||
thread_scoped_lock cache_lock(self.cache_lock);
|
||||
|
||||
pair<CacheMap::iterator,bool> ins = self.cache.insert(
|
||||
CacheMap::value_type(PlatformDevicePair(platform, device), Slot()));
|
||||
|
||||
Slot &slot = ins.first->second;
|
||||
|
||||
/* create slot lock only while holding cache lock */
|
||||
if(!slot.context_mutex)
|
||||
slot.context_mutex = new thread_mutex;
|
||||
|
||||
/* need to unlock cache before locking slot, to allow store to complete */
|
||||
cache_lock.unlock();
|
||||
|
||||
/* lock the slot */
|
||||
slot_locker = thread_scoped_lock(*slot.context_mutex);
|
||||
|
||||
/* If the thing isn't cached */
|
||||
if(slot.context == NULL) {
|
||||
/* return with the caller's lock holder holding the slot lock */
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* the item was already cached, release the slot lock */
|
||||
slot_locker.unlock();
|
||||
|
||||
cl_int ciErr = clRetainContext(slot.context);
|
||||
assert(ciErr == CL_SUCCESS);
|
||||
(void)ciErr;
|
||||
|
||||
return slot.context;
|
||||
}
|
||||
|
||||
cl_program OpenCLCache::get_program(cl_platform_id platform,
|
||||
cl_device_id device,
|
||||
ustring key,
|
||||
thread_scoped_lock& slot_locker)
|
||||
{
|
||||
assert(platform != NULL);
|
||||
|
||||
OpenCLCache& self = global_instance();
|
||||
|
||||
thread_scoped_lock cache_lock(self.cache_lock);
|
||||
|
||||
pair<CacheMap::iterator,bool> ins = self.cache.insert(
|
||||
CacheMap::value_type(PlatformDevicePair(platform, device), Slot()));
|
||||
|
||||
Slot &slot = ins.first->second;
|
||||
|
||||
pair<Slot::EntryMap::iterator,bool> ins2 = slot.programs.insert(
|
||||
Slot::EntryMap::value_type(key, Slot::ProgramEntry()));
|
||||
|
||||
Slot::ProgramEntry &entry = ins2.first->second;
|
||||
|
||||
/* create slot lock only while holding cache lock */
|
||||
if(!entry.mutex)
|
||||
entry.mutex = new thread_mutex;
|
||||
|
||||
/* need to unlock cache before locking slot, to allow store to complete */
|
||||
cache_lock.unlock();
|
||||
|
||||
/* lock the slot */
|
||||
slot_locker = thread_scoped_lock(*entry.mutex);
|
||||
|
||||
/* If the thing isn't cached */
|
||||
if(entry.program == NULL) {
|
||||
/* return with the caller's lock holder holding the slot lock */
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* the item was already cached, release the slot lock */
|
||||
slot_locker.unlock();
|
||||
|
||||
cl_int ciErr = clRetainProgram(entry.program);
|
||||
assert(ciErr == CL_SUCCESS);
|
||||
(void)ciErr;
|
||||
|
||||
return entry.program;
|
||||
}
|
||||
|
||||
void OpenCLCache::store_context(cl_platform_id platform,
|
||||
cl_device_id device,
|
||||
cl_context context,
|
||||
thread_scoped_lock& slot_locker)
|
||||
{
|
||||
assert(platform != NULL);
|
||||
assert(device != NULL);
|
||||
assert(context != NULL);
|
||||
|
||||
OpenCLCache &self = global_instance();
|
||||
|
||||
thread_scoped_lock cache_lock(self.cache_lock);
|
||||
CacheMap::iterator i = self.cache.find(PlatformDevicePair(platform, device));
|
||||
cache_lock.unlock();
|
||||
|
||||
Slot &slot = i->second;
|
||||
|
||||
/* sanity check */
|
||||
assert(i != self.cache.end());
|
||||
assert(slot.context == NULL);
|
||||
|
||||
slot.context = context;
|
||||
|
||||
/* unlock the slot */
|
||||
slot_locker.unlock();
|
||||
|
||||
/* increment reference count in OpenCL.
|
||||
* The caller is going to release the object when done with it. */
|
||||
cl_int ciErr = clRetainContext(context);
|
||||
assert(ciErr == CL_SUCCESS);
|
||||
(void)ciErr;
|
||||
}
|
||||
|
||||
void OpenCLCache::store_program(cl_platform_id platform,
|
||||
cl_device_id device,
|
||||
cl_program program,
|
||||
ustring key,
|
||||
thread_scoped_lock& slot_locker)
|
||||
{
|
||||
assert(platform != NULL);
|
||||
assert(device != NULL);
|
||||
assert(program != NULL);
|
||||
|
||||
OpenCLCache &self = global_instance();
|
||||
|
||||
thread_scoped_lock cache_lock(self.cache_lock);
|
||||
|
||||
CacheMap::iterator i = self.cache.find(PlatformDevicePair(platform, device));
|
||||
assert(i != self.cache.end());
|
||||
Slot &slot = i->second;
|
||||
|
||||
Slot::EntryMap::iterator i2 = slot.programs.find(key);
|
||||
assert(i2 != slot.programs.end());
|
||||
Slot::ProgramEntry &entry = i2->second;
|
||||
|
||||
assert(entry.program == NULL);
|
||||
|
||||
cache_lock.unlock();
|
||||
|
||||
entry.program = program;
|
||||
|
||||
/* unlock the slot */
|
||||
slot_locker.unlock();
|
||||
|
||||
/* Increment reference count in OpenCL.
|
||||
* The caller is going to release the object when done with it.
|
||||
*/
|
||||
cl_int ciErr = clRetainProgram(program);
|
||||
assert(ciErr == CL_SUCCESS);
|
||||
(void)ciErr;
|
||||
}
|
||||
|
||||
string OpenCLCache::get_kernel_md5()
|
||||
{
|
||||
OpenCLCache &self = global_instance();
|
||||
thread_scoped_lock lock(self.kernel_md5_lock);
|
||||
|
||||
if(self.kernel_md5.empty()) {
|
||||
self.kernel_md5 = path_files_md5_hash(path_get("kernel"));
|
||||
}
|
||||
return self.kernel_md5;
|
||||
}
|
||||
|
||||
OpenCLDeviceBase::OpenCLProgram::OpenCLProgram(OpenCLDeviceBase *device, string program_name, string kernel_file, string kernel_build_options)
|
||||
: device(device),
|
||||
program_name(program_name),
|
||||
kernel_file(kernel_file),
|
||||
kernel_build_options(kernel_build_options)
|
||||
{
|
||||
loaded = false;
|
||||
program = NULL;
|
||||
}
|
||||
|
||||
OpenCLDeviceBase::OpenCLProgram::~OpenCLProgram()
|
||||
{
|
||||
release();
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::OpenCLProgram::release()
|
||||
{
|
||||
for(map<ustring, cl_kernel>::iterator kernel = kernels.begin(); kernel != kernels.end(); ++kernel) {
|
||||
if(kernel->second) {
|
||||
clReleaseKernel(kernel->second);
|
||||
kernel->second = NULL;
|
||||
}
|
||||
}
|
||||
if(program) {
|
||||
clReleaseProgram(program);
|
||||
program = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::OpenCLProgram::add_kernel(ustring name)
|
||||
{
|
||||
if(!kernels.count(name)) {
|
||||
kernels[name] = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
bool OpenCLDeviceBase::OpenCLProgram::build_kernel(const string *debug_src)
|
||||
{
|
||||
string build_options;
|
||||
build_options = device->kernel_build_options(debug_src) + kernel_build_options;
|
||||
|
||||
cl_int ciErr = clBuildProgram(program, 0, NULL, build_options.c_str(), NULL, NULL);
|
||||
|
||||
/* show warnings even if build is successful */
|
||||
size_t ret_val_size = 0;
|
||||
|
||||
clGetProgramBuildInfo(program, device->cdDevice, CL_PROGRAM_BUILD_LOG, 0, NULL, &ret_val_size);
|
||||
|
||||
if(ret_val_size > 1) {
|
||||
vector<char> build_log(ret_val_size + 1);
|
||||
clGetProgramBuildInfo(program, device->cdDevice, CL_PROGRAM_BUILD_LOG, ret_val_size, &build_log[0], NULL);
|
||||
|
||||
build_log[ret_val_size] = '\0';
|
||||
/* Skip meaningless empty output from the NVidia compiler. */
|
||||
if(!(ret_val_size == 2 && build_log[0] == '\n')) {
|
||||
output_msg = string(&build_log[0]);
|
||||
}
|
||||
}
|
||||
|
||||
if(ciErr != CL_SUCCESS) {
|
||||
error_msg = string("OpenCL build failed: ") + clewErrorString(ciErr);
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool OpenCLDeviceBase::OpenCLProgram::compile_kernel(const string *debug_src)
|
||||
{
|
||||
string source = "#include \"kernels/opencl/" + kernel_file + "\" // " + OpenCLCache::get_kernel_md5() + "\n";
|
||||
/* We compile kernels consisting of many files. unfortunately OpenCL
|
||||
* kernel caches do not seem to recognize changes in included files.
|
||||
* so we force recompile on changes by adding the md5 hash of all files.
|
||||
*/
|
||||
source = path_source_replace_includes(source, path_get("kernel"));
|
||||
|
||||
if(debug_src) {
|
||||
path_write_text(*debug_src, source);
|
||||
}
|
||||
|
||||
size_t source_len = source.size();
|
||||
const char *source_str = source.c_str();
|
||||
cl_int ciErr;
|
||||
|
||||
program = clCreateProgramWithSource(device->cxContext,
|
||||
1,
|
||||
&source_str,
|
||||
&source_len,
|
||||
&ciErr);
|
||||
|
||||
if(ciErr != CL_SUCCESS) {
|
||||
error_msg = string("OpenCL program creation failed: ") + clewErrorString(ciErr);
|
||||
return false;
|
||||
}
|
||||
|
||||
double starttime = time_dt();
|
||||
|
||||
log += "Build flags: " + kernel_build_options + "\n";
|
||||
|
||||
if(!build_kernel(debug_src))
|
||||
return false;
|
||||
|
||||
log += "Kernel compilation of " + program_name + " finished in " + string_printf("%.2lfs.\n", time_dt() - starttime);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool OpenCLDeviceBase::OpenCLProgram::load_binary(const string& clbin,
|
||||
const string *debug_src)
|
||||
{
|
||||
/* read binary into memory */
|
||||
vector<uint8_t> binary;
|
||||
|
||||
if(!path_read_binary(clbin, binary)) {
|
||||
error_msg = "OpenCL failed to read cached binary " + clbin + ".";
|
||||
return false;
|
||||
}
|
||||
|
||||
/* create program */
|
||||
cl_int status, ciErr;
|
||||
size_t size = binary.size();
|
||||
const uint8_t *bytes = &binary[0];
|
||||
|
||||
program = clCreateProgramWithBinary(device->cxContext, 1, &device->cdDevice,
|
||||
&size, &bytes, &status, &ciErr);
|
||||
|
||||
if(status != CL_SUCCESS || ciErr != CL_SUCCESS) {
|
||||
error_msg = "OpenCL failed create program from cached binary " + clbin + ": " + clewErrorString(status) + " " + clewErrorString(ciErr);
|
||||
return false;
|
||||
}
|
||||
|
||||
if(!build_kernel(debug_src))
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool OpenCLDeviceBase::OpenCLProgram::save_binary(const string& clbin)
|
||||
{
|
||||
size_t size = 0;
|
||||
clGetProgramInfo(program, CL_PROGRAM_BINARY_SIZES, sizeof(size_t), &size, NULL);
|
||||
|
||||
if(!size)
|
||||
return false;
|
||||
|
||||
vector<uint8_t> binary(size);
|
||||
uint8_t *bytes = &binary[0];
|
||||
|
||||
clGetProgramInfo(program, CL_PROGRAM_BINARIES, sizeof(uint8_t*), &bytes, NULL);
|
||||
|
||||
return path_write_binary(clbin, binary);
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::OpenCLProgram::load()
|
||||
{
|
||||
assert(device);
|
||||
|
||||
loaded = false;
|
||||
|
||||
string device_md5 = device->device_md5_hash(kernel_build_options);
|
||||
|
||||
/* Try to use cached kernel. */
|
||||
thread_scoped_lock cache_locker;
|
||||
ustring cache_key(program_name + device_md5);
|
||||
program = device->load_cached_kernel(cache_key,
|
||||
cache_locker);
|
||||
|
||||
if(!program) {
|
||||
log += "OpenCL program " + program_name + " not found in cache.\n";
|
||||
|
||||
string basename = "cycles_kernel_" + program_name + "_" + device_md5 + "_" + OpenCLCache::get_kernel_md5();
|
||||
basename = path_cache_get(path_join("kernels", basename));
|
||||
string clbin = basename + ".clbin";
|
||||
|
||||
/* path to preprocessed source for debugging */
|
||||
string clsrc, *debug_src = NULL;
|
||||
|
||||
if(OpenCLInfo::use_debug()) {
|
||||
clsrc = basename + ".cl";
|
||||
debug_src = &clsrc;
|
||||
}
|
||||
|
||||
/* If binary kernel exists already, try use it. */
|
||||
if(path_exists(clbin) && load_binary(clbin)) {
|
||||
/* Kernel loaded from binary, nothing to do. */
|
||||
log += "Loaded program from " + clbin + ".\n";
|
||||
}
|
||||
else {
|
||||
log += "Kernel file " + clbin + " either doesn't exist or failed to be loaded by driver.\n";
|
||||
|
||||
/* If does not exist or loading binary failed, compile kernel. */
|
||||
if(!compile_kernel(debug_src)) {
|
||||
return;
|
||||
}
|
||||
|
||||
/* Save binary for reuse. */
|
||||
if(!save_binary(clbin)) {
|
||||
log += "Saving compiled OpenCL kernel to " + clbin + " failed!";
|
||||
}
|
||||
}
|
||||
|
||||
/* Cache the program. */
|
||||
device->store_cached_kernel(program,
|
||||
cache_key,
|
||||
cache_locker);
|
||||
}
|
||||
else {
|
||||
log += "Found cached OpenCL program " + program_name + ".\n";
|
||||
}
|
||||
|
||||
for(map<ustring, cl_kernel>::iterator kernel = kernels.begin(); kernel != kernels.end(); ++kernel) {
|
||||
assert(kernel->second == NULL);
|
||||
cl_int ciErr;
|
||||
string name = "kernel_ocl_" + kernel->first.string();
|
||||
kernel->second = clCreateKernel(program, name.c_str(), &ciErr);
|
||||
if(device->opencl_error(ciErr)) {
|
||||
error_msg = "Error getting kernel " + name + " from program " + program_name + ": " + clewErrorString(ciErr);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
loaded = true;
|
||||
}
|
||||
|
||||
void OpenCLDeviceBase::OpenCLProgram::report_error()
|
||||
{
|
||||
if(loaded) return;
|
||||
|
||||
cerr << error_msg << endl;
|
||||
if(!output_msg.empty()) {
|
||||
cerr << "OpenCL kernel build output for " << program_name << ":" << endl;
|
||||
cerr << output_msg << endl;
|
||||
}
|
||||
}
|
||||
|
||||
cl_kernel OpenCLDeviceBase::OpenCLProgram::operator()()
|
||||
{
|
||||
assert(kernels.size() == 1);
|
||||
return kernels.begin()->second;
|
||||
}
|
||||
|
||||
cl_kernel OpenCLDeviceBase::OpenCLProgram::operator()(ustring name)
|
||||
{
|
||||
assert(kernels.count(name));
|
||||
return kernels[name];
|
||||
}
|
||||
|
||||
cl_device_type OpenCLInfo::device_type()
|
||||
{
|
||||
switch(DebugFlags().opencl.device_type)
|
||||
{
|
||||
case DebugFlags::OpenCL::DEVICE_NONE:
|
||||
return 0;
|
||||
case DebugFlags::OpenCL::DEVICE_ALL:
|
||||
return CL_DEVICE_TYPE_ALL;
|
||||
case DebugFlags::OpenCL::DEVICE_DEFAULT:
|
||||
return CL_DEVICE_TYPE_DEFAULT;
|
||||
case DebugFlags::OpenCL::DEVICE_CPU:
|
||||
return CL_DEVICE_TYPE_CPU;
|
||||
case DebugFlags::OpenCL::DEVICE_GPU:
|
||||
return CL_DEVICE_TYPE_GPU;
|
||||
case DebugFlags::OpenCL::DEVICE_ACCELERATOR:
|
||||
return CL_DEVICE_TYPE_ACCELERATOR;
|
||||
default:
|
||||
return CL_DEVICE_TYPE_ALL;
|
||||
}
|
||||
}
|
||||
|
||||
bool OpenCLInfo::use_debug()
|
||||
{
|
||||
return DebugFlags().opencl.debug;
|
||||
}
|
||||
|
||||
bool OpenCLInfo::kernel_use_advanced_shading(const string& platform)
|
||||
{
|
||||
/* keep this in sync with kernel_types.h! */
|
||||
if(platform == "NVIDIA CUDA")
|
||||
return true;
|
||||
else if(platform == "Apple")
|
||||
return true;
|
||||
else if(platform == "AMD Accelerated Parallel Processing")
|
||||
return true;
|
||||
else if(platform == "Intel(R) OpenCL")
|
||||
return true;
|
||||
/* Make sure officially unsupported OpenCL platforms
|
||||
* does not set up to use advanced shading.
|
||||
*/
|
||||
return false;
|
||||
}
|
||||
|
||||
bool OpenCLInfo::kernel_use_split(const string& platform_name,
|
||||
const cl_device_type device_type)
|
||||
{
|
||||
if(DebugFlags().opencl.kernel_type == DebugFlags::OpenCL::KERNEL_SPLIT) {
|
||||
VLOG(1) << "Forcing split kernel to use.";
|
||||
return true;
|
||||
}
|
||||
if(DebugFlags().opencl.kernel_type == DebugFlags::OpenCL::KERNEL_MEGA) {
|
||||
VLOG(1) << "Forcing mega kernel to use.";
|
||||
return false;
|
||||
}
|
||||
/* TODO(sergey): Replace string lookups with more enum-like API,
|
||||
* similar to device/vendor checks blender's gpu.
|
||||
*/
|
||||
if(platform_name == "AMD Accelerated Parallel Processing" &&
|
||||
device_type == CL_DEVICE_TYPE_GPU)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool OpenCLInfo::device_supported(const string& platform_name,
|
||||
const cl_device_id device_id)
|
||||
{
|
||||
cl_device_type device_type;
|
||||
clGetDeviceInfo(device_id,
|
||||
CL_DEVICE_TYPE,
|
||||
sizeof(cl_device_type),
|
||||
&device_type,
|
||||
NULL);
|
||||
if(platform_name == "AMD Accelerated Parallel Processing" &&
|
||||
device_type == CL_DEVICE_TYPE_GPU)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
if(platform_name == "Apple" && device_type == CL_DEVICE_TYPE_GPU) {
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool OpenCLInfo::platform_version_check(cl_platform_id platform,
|
||||
string *error)
|
||||
{
|
||||
const int req_major = 1, req_minor = 1;
|
||||
int major, minor;
|
||||
char version[256];
|
||||
clGetPlatformInfo(platform,
|
||||
CL_PLATFORM_VERSION,
|
||||
sizeof(version),
|
||||
&version,
|
||||
NULL);
|
||||
if(sscanf(version, "OpenCL %d.%d", &major, &minor) < 2) {
|
||||
if(error != NULL) {
|
||||
*error = string_printf("OpenCL: failed to parse platform version string (%s).", version);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
if(!((major == req_major && minor >= req_minor) || (major > req_major))) {
|
||||
if(error != NULL) {
|
||||
*error = string_printf("OpenCL: platform version 1.1 or later required, found %d.%d", major, minor);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
if(error != NULL) {
|
||||
*error = "";
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
bool OpenCLInfo::device_version_check(cl_device_id device,
|
||||
string *error)
|
||||
{
|
||||
const int req_major = 1, req_minor = 1;
|
||||
int major, minor;
|
||||
char version[256];
|
||||
clGetDeviceInfo(device,
|
||||
CL_DEVICE_OPENCL_C_VERSION,
|
||||
sizeof(version),
|
||||
&version,
|
||||
NULL);
|
||||
if(sscanf(version, "OpenCL C %d.%d", &major, &minor) < 2) {
|
||||
if(error != NULL) {
|
||||
*error = string_printf("OpenCL: failed to parse OpenCL C version string (%s).", version);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
if(!((major == req_major && minor >= req_minor) || (major > req_major))) {
|
||||
if(error != NULL) {
|
||||
*error = string_printf("OpenCL: C version 1.1 or later required, found %d.%d", major, minor);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
if(error != NULL) {
|
||||
*error = "";
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
void OpenCLInfo::get_usable_devices(vector<OpenCLPlatformDevice> *usable_devices,
|
||||
bool force_all)
|
||||
{
|
||||
const bool force_all_platforms = force_all ||
|
||||
(DebugFlags().opencl.kernel_type != DebugFlags::OpenCL::KERNEL_DEFAULT);
|
||||
const cl_device_type device_type = OpenCLInfo::device_type();
|
||||
static bool first_time = true;
|
||||
#define FIRST_VLOG(severity) if(first_time) VLOG(severity)
|
||||
|
||||
usable_devices->clear();
|
||||
|
||||
if(device_type == 0) {
|
||||
FIRST_VLOG(2) << "OpenCL devices are forced to be disabled.";
|
||||
first_time = false;
|
||||
return;
|
||||
}
|
||||
|
||||
vector<cl_device_id> device_ids;
|
||||
cl_uint num_devices = 0;
|
||||
vector<cl_platform_id> platform_ids;
|
||||
cl_uint num_platforms = 0;
|
||||
|
||||
/* Get devices. */
|
||||
if(clGetPlatformIDs(0, NULL, &num_platforms) != CL_SUCCESS ||
|
||||
num_platforms == 0)
|
||||
{
|
||||
FIRST_VLOG(2) << "No OpenCL platforms were found.";
|
||||
first_time = false;
|
||||
return;
|
||||
}
|
||||
platform_ids.resize(num_platforms);
|
||||
if(clGetPlatformIDs(num_platforms, &platform_ids[0], NULL) != CL_SUCCESS) {
|
||||
FIRST_VLOG(2) << "Failed to fetch platform IDs from the driver..";
|
||||
first_time = false;
|
||||
return;
|
||||
}
|
||||
/* Devices are numbered consecutively across platforms. */
|
||||
for(int platform = 0; platform < num_platforms; platform++) {
|
||||
cl_platform_id platform_id = platform_ids[platform];
|
||||
char pname[256];
|
||||
if(clGetPlatformInfo(platform_id,
|
||||
CL_PLATFORM_NAME,
|
||||
sizeof(pname),
|
||||
&pname,
|
||||
NULL) != CL_SUCCESS)
|
||||
{
|
||||
FIRST_VLOG(2) << "Failed to get platform name, ignoring.";
|
||||
continue;
|
||||
}
|
||||
string platform_name = pname;
|
||||
FIRST_VLOG(2) << "Enumerating devices for platform "
|
||||
<< platform_name << ".";
|
||||
if(!platform_version_check(platform_id)) {
|
||||
FIRST_VLOG(2) << "Ignoring platform " << platform_name
|
||||
<< " due to too old compiler version.";
|
||||
continue;
|
||||
}
|
||||
num_devices = 0;
|
||||
cl_int ciErr;
|
||||
if((ciErr = clGetDeviceIDs(platform_id,
|
||||
device_type,
|
||||
0,
|
||||
NULL,
|
||||
&num_devices)) != CL_SUCCESS || num_devices == 0)
|
||||
{
|
||||
FIRST_VLOG(2) << "Ignoring platform " << platform_name
|
||||
<< ", failed to fetch number of devices: " << string(clewErrorString(ciErr));
|
||||
continue;
|
||||
}
|
||||
device_ids.resize(num_devices);
|
||||
if(clGetDeviceIDs(platform_id,
|
||||
device_type,
|
||||
num_devices,
|
||||
&device_ids[0],
|
||||
NULL) != CL_SUCCESS)
|
||||
{
|
||||
FIRST_VLOG(2) << "Ignoring platform " << platform_name
|
||||
<< ", failed to fetch devices list.";
|
||||
continue;
|
||||
}
|
||||
for(int num = 0; num < num_devices; num++) {
|
||||
cl_device_id device_id = device_ids[num];
|
||||
char device_name[1024] = "\0";
|
||||
if(clGetDeviceInfo(device_id,
|
||||
CL_DEVICE_NAME,
|
||||
sizeof(device_name),
|
||||
&device_name,
|
||||
NULL) != CL_SUCCESS)
|
||||
{
|
||||
FIRST_VLOG(2) << "Failed to fetch device name, ignoring.";
|
||||
continue;
|
||||
}
|
||||
if(!device_version_check(device_id)) {
|
||||
FIRST_VLOG(2) << "Ignoring device " << device_name
|
||||
<< " due to old compiler version.";
|
||||
continue;
|
||||
}
|
||||
if(force_all_platforms ||
|
||||
device_supported(platform_name, device_id))
|
||||
{
|
||||
cl_device_type device_type;
|
||||
if(clGetDeviceInfo(device_id,
|
||||
CL_DEVICE_TYPE,
|
||||
sizeof(cl_device_type),
|
||||
&device_type,
|
||||
NULL) != CL_SUCCESS)
|
||||
{
|
||||
FIRST_VLOG(2) << "Ignoring device " << device_name
|
||||
<< ", failed to fetch device type.";
|
||||
continue;
|
||||
}
|
||||
FIRST_VLOG(2) << "Adding new device " << device_name << ".";
|
||||
usable_devices->push_back(OpenCLPlatformDevice(platform_id,
|
||||
platform_name,
|
||||
device_id,
|
||||
device_type,
|
||||
device_name));
|
||||
}
|
||||
else {
|
||||
FIRST_VLOG(2) << "Ignoring device " << device_name
|
||||
<< ", not officially supported yet.";
|
||||
}
|
||||
}
|
||||
}
|
||||
first_time = false;
|
||||
}
|
||||
|
||||
CCL_NAMESPACE_END
|
||||
|
||||
#endif
|
Loading…
Reference in New Issue