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opencl.c
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% OOO PPPP EEEEE N N CCCC L %
% O O P P E NN N C L %
% O O PPPP EEE N N N C L %
% O O P E N NN C L %
% OOO P EEEEE N N CCCC LLLLL %
% %
% %
% MagickCore OpenCL Methods %
% %
% Software Design %
% Cristy %
% March 2000 %
% %
% %
% Copyright @ 1999 ImageMagick Studio LLC, a non-profit organization %
% dedicated to making software imaging solutions freely available. %
% %
% You may not use this file except in compliance with the License. You may %
% obtain a copy of the License at %
% %
% https://imagemagick.org/license/ %
% %
% Unless required by applicable law or agreed to in writing, software %
% distributed under the License is distributed on an "AS IS" BASIS, %
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
% See the License for the specific language governing permissions and %
% limitations under the License. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
%
*/
␌
/*
Include declarations.
*/
#include "MagickCore/studio.h"
#include "MagickCore/accelerate-kernels-private.h"
#include "MagickCore/artifact.h"
#include "MagickCore/cache.h"
#include "MagickCore/cache-private.h"
#include "MagickCore/color.h"
#include "MagickCore/compare.h"
#include "MagickCore/constitute.h"
#include "MagickCore/configure.h"
#include "MagickCore/distort.h"
#include "MagickCore/draw.h"
#include "MagickCore/effect.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/fx.h"
#include "MagickCore/gem.h"
#include "MagickCore/geometry.h"
#include "MagickCore/image.h"
#include "MagickCore/image-private.h"
#include "MagickCore/layer.h"
#include "MagickCore/locale_.h"
#include "MagickCore/mime-private.h"
#include "MagickCore/memory_.h"
#include "MagickCore/memory-private.h"
#include "MagickCore/monitor.h"
#include "MagickCore/montage.h"
#include "MagickCore/morphology.h"
#include "MagickCore/nt-base.h"
#include "MagickCore/nt-base-private.h"
#include "MagickCore/opencl.h"
#include "MagickCore/opencl-private.h"
#include "MagickCore/option.h"
#include "MagickCore/policy.h"
#include "MagickCore/property.h"
#include "MagickCore/quantize.h"
#include "MagickCore/quantum.h"
#include "MagickCore/random_.h"
#include "MagickCore/random-private.h"
#include "MagickCore/resample.h"
#include "MagickCore/resource_.h"
#include "MagickCore/splay-tree.h"
#include "MagickCore/semaphore.h"
#include "MagickCore/statistic.h"
#include "MagickCore/string_.h"
#include "MagickCore/string-private.h"
#include "MagickCore/token.h"
#include "MagickCore/utility.h"
#include "MagickCore/utility-private.h"
#if defined(MAGICKCORE_OPENCL_SUPPORT)
#if defined(MAGICKCORE_LTDL_DELEGATE)
#include "ltdl.h"
#endif
/*
Define declarations.
*/
#define IMAGEMAGICK_PROFILE_FILE "ImagemagickOpenCLDeviceProfile.xml"
/*
Typedef declarations.
*/
typedef struct
{
long long freq;
long long clocks;
long long start;
} AccelerateTimer;
typedef struct
{
char
*name,
*platform_name,
*vendor_name,
*version;
cl_uint
max_clock_frequency,
max_compute_units;
double
score;
} MagickCLDeviceBenchmark;
/*
Forward declarations.
*/
static MagickBooleanType
HasOpenCLDevices(MagickCLEnv,ExceptionInfo *),
LoadOpenCLLibrary(void);
static MagickCLDevice
RelinquishMagickCLDevice(MagickCLDevice);
static MagickCLEnv
RelinquishMagickCLEnv(MagickCLEnv);
static void
BenchmarkOpenCLDevices(MagickCLEnv);
/* OpenCL library */
MagickLibrary
*openCL_library;
/* Default OpenCL environment */
MagickCLEnv
default_CLEnv;
MagickThreadType
test_thread_id=0;
SemaphoreInfo
*openCL_lock;
/* Cached location of the OpenCL cache files */
char
*cache_directory;
SemaphoreInfo
*cache_directory_lock;
static inline MagickBooleanType IsSameOpenCLDevice(MagickCLDevice a,
MagickCLDevice b)
{
if ((LocaleCompare(a->platform_name,b->platform_name) == 0) &&
(LocaleCompare(a->vendor_name,b->vendor_name) == 0) &&
(LocaleCompare(a->name,b->name) == 0) &&
(LocaleCompare(a->version,b->version) == 0) &&
(a->max_clock_frequency == b->max_clock_frequency) &&
(a->max_compute_units == b->max_compute_units))
return(MagickTrue);
return(MagickFalse);
}
static inline MagickBooleanType IsBenchmarkedOpenCLDevice(MagickCLDevice a,
MagickCLDeviceBenchmark *b)
{
if ((LocaleCompare(a->platform_name,b->platform_name) == 0) &&
(LocaleCompare(a->vendor_name,b->vendor_name) == 0) &&
(LocaleCompare(a->name,b->name) == 0) &&
(LocaleCompare(a->version,b->version) == 0) &&
(a->max_clock_frequency == b->max_clock_frequency) &&
(a->max_compute_units == b->max_compute_units))
return(MagickTrue);
return(MagickFalse);
}
static inline void RelinquishMagickCLDevices(MagickCLEnv clEnv)
{
size_t
i;
if (clEnv->devices != (MagickCLDevice *) NULL)
{
for (i = 0; i < clEnv->number_devices; i++)
clEnv->devices[i]=RelinquishMagickCLDevice(clEnv->devices[i]);
clEnv->devices=(MagickCLDevice *) RelinquishMagickMemory(clEnv->devices);
}
clEnv->number_devices=0;
}
static inline MagickBooleanType MagickCreateDirectory(const char *path)
{
int
status;
#ifdef MAGICKCORE_WINDOWS_SUPPORT
status=_mkdir(path);
#else
status=mkdir(path,0777);
#endif
return(status == 0 ? MagickTrue : MagickFalse);
}
static inline void InitAccelerateTimer(AccelerateTimer *timer)
{
#ifdef _WIN32
QueryPerformanceFrequency((LARGE_INTEGER*)&timer->freq);
#else
timer->freq=(long long)1.0E3;
#endif
timer->clocks=0;
timer->start=0;
}
static inline double ReadAccelerateTimer(AccelerateTimer *timer)
{
return (double)timer->clocks/(double)timer->freq;
}
static inline void StartAccelerateTimer(AccelerateTimer* timer)
{
#ifdef _WIN32
QueryPerformanceCounter((LARGE_INTEGER*)&timer->start);
#else
struct timeval
s;
gettimeofday(&s,0);
timer->start=(long long)s.tv_sec*(long long)1.0E3+(long long)s.tv_usec/
(long long)1.0E3;
#endif
}
static inline void StopAccelerateTimer(AccelerateTimer *timer)
{
long long
n;
n=0;
#ifdef _WIN32
QueryPerformanceCounter((LARGE_INTEGER*)&(n));
#else
struct timeval
s;
gettimeofday(&s,0);
n=(long long)s.tv_sec*(long long)1.0E3+(long long)s.tv_usec/
(long long)1.0E3;
#endif
n-=timer->start;
timer->start=0;
timer->clocks+=n;
}
static const char *GetOpenCLCacheDirectory()
{
if (cache_directory == (char *) NULL)
{
if (cache_directory_lock == (SemaphoreInfo *) NULL)
ActivateSemaphoreInfo(&cache_directory_lock);
LockSemaphoreInfo(cache_directory_lock);
if (cache_directory == (char *) NULL)
{
char
*home,
path[MagickPathExtent],
*temp;
MagickBooleanType
status;
struct stat
attributes;
temp=(char *) NULL;
home=GetEnvironmentValue("MAGICK_OPENCL_CACHE_DIR");
if (home == (char *) NULL)
{
home=GetEnvironmentValue("XDG_CACHE_HOME");
#if defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__MINGW32__)
if (home == (char *) NULL)
home=GetEnvironmentValue("LOCALAPPDATA");
if (home == (char *) NULL)
home=GetEnvironmentValue("APPDATA");
if (home == (char *) NULL)
home=GetEnvironmentValue("USERPROFILE");
#endif
}
if (home != (char *) NULL)
{
/* first check if $HOME exists */
(void) FormatLocaleString(path,MagickPathExtent,"%s",home);
status=GetPathAttributes(path,&attributes);
if (status == MagickFalse)
status=MagickCreateDirectory(path);
/* first check if $HOME/ImageMagick exists */
if (status != MagickFalse)
{
(void) FormatLocaleString(path,MagickPathExtent,
"%s%sImageMagick",home,DirectorySeparator);
status=GetPathAttributes(path,&attributes);
if (status == MagickFalse)
status=MagickCreateDirectory(path);
}
if (status != MagickFalse)
{
temp=(char*) AcquireCriticalMemory(strlen(path)+1);
(void) CopyMagickString(temp,path,strlen(path)+1);
}
home=DestroyString(home);
}
else
{
home=GetEnvironmentValue("HOME");
if (home != (char *) NULL)
{
/* first check if $HOME/.cache exists */
(void) FormatLocaleString(path,MagickPathExtent,"%s%s.cache",
home,DirectorySeparator);
status=GetPathAttributes(path,&attributes);
if (status == MagickFalse)
status=MagickCreateDirectory(path);
/* first check if $HOME/.cache/ImageMagick exists */
if (status != MagickFalse)
{
(void) FormatLocaleString(path,MagickPathExtent,
"%s%s.cache%sImageMagick",home,DirectorySeparator,
DirectorySeparator);
status=GetPathAttributes(path,&attributes);
if (status == MagickFalse)
status=MagickCreateDirectory(path);
}
if (status != MagickFalse)
{
temp=(char*) AcquireCriticalMemory(strlen(path)+1);
(void) CopyMagickString(temp,path,strlen(path)+1);
}
home=DestroyString(home);
}
}
if (temp == (char *) NULL)
{
temp=AcquireString("?");
(void) LogMagickEvent(AccelerateEvent,GetMagickModule(),
"Cannot use cache directory: \"%s\"",path);
}
else
(void) LogMagickEvent(AccelerateEvent,GetMagickModule(),
"Using cache directory: \"%s\"",temp);
cache_directory=temp;
}
UnlockSemaphoreInfo(cache_directory_lock);
}
if (*cache_directory == '?')
return((const char *) NULL);
return(cache_directory);
}
static void SelectOpenCLDevice(MagickCLEnv clEnv,cl_device_type type)
{
MagickCLDevice
device;
size_t
i,
j;
(void) LogMagickEvent(AccelerateEvent,GetMagickModule(),
"Selecting device for type: %d",(int) type);
for (i = 0; i < clEnv->number_devices; i++)
clEnv->devices[i]->enabled=MagickFalse;
for (i = 0; i < clEnv->number_devices; i++)
{
device=clEnv->devices[i];
if (device->type != type)
continue;
device->enabled=MagickTrue;
(void) LogMagickEvent(AccelerateEvent,GetMagickModule(),
"Selected device: %s",device->name);
for (j = i+1; j < clEnv->number_devices; j++)
{
MagickCLDevice
other_device;
other_device=clEnv->devices[j];
if (IsSameOpenCLDevice(device,other_device))
other_device->enabled=MagickTrue;
}
}
}
static size_t StringSignature(const char* string)
{
size_t
n,
i,
j,
signature,
stringLength;
union
{
const char* s;
const size_t* u;
} p;
stringLength=(size_t) strlen(string);
signature=stringLength;
n=stringLength/sizeof(size_t);
p.s=string;
for (i = 0; i < n; i++)
signature^=p.u[i];
if (n * sizeof(size_t) != stringLength)
{
char
padded[4];
j=n*sizeof(size_t);
for (i = 0; i < 4; i++, j++)
{
if (j < stringLength)
padded[i]=p.s[j];
else
padded[i]=0;
}
p.s=padded;
signature^=p.u[0];
}
return(signature);
}
static void DestroyMagickCLCacheInfo(MagickCLCacheInfo info)
{
ssize_t
i;
for (i=0; i < (ssize_t) info->event_count; i++)
openCL_library->clReleaseEvent(info->events[i]);
info->events=(cl_event *) RelinquishMagickMemory(info->events);
if (info->buffer != (cl_mem) NULL)
openCL_library->clReleaseMemObject(info->buffer);
RelinquishSemaphoreInfo(&info->events_semaphore);
ReleaseOpenCLDevice(info->device);
RelinquishMagickMemory(info);
}
/*
Provide call to OpenCL library methods
*/
MagickPrivate cl_mem CreateOpenCLBuffer(MagickCLDevice device,
cl_mem_flags flags,size_t size,void *host_ptr)
{
return(openCL_library->clCreateBuffer(device->context,flags,size,host_ptr,
(cl_int *) NULL));
}
MagickPrivate void ReleaseOpenCLKernel(cl_kernel kernel)
{
(void) openCL_library->clReleaseKernel(kernel);
}
MagickPrivate void ReleaseOpenCLMemObject(cl_mem memobj)
{
(void) openCL_library->clReleaseMemObject(memobj);
}
MagickPrivate void RetainOpenCLMemObject(cl_mem memobj)
{
(void) openCL_library->clRetainMemObject(memobj);
}
MagickPrivate cl_int SetOpenCLKernelArg(cl_kernel kernel,size_t arg_index,
size_t arg_size,const void *arg_value)
{
return(openCL_library->clSetKernelArg(kernel,(cl_uint) arg_index,arg_size,
arg_value));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ A c q u i r e M a g i c k C L C a c h e I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireMagickCLCacheInfo() acquires an OpenCL cache info structure.
%
% The format of the AcquireMagickCLCacheInfo method is:
%
% MagickCLCacheInfo AcquireMagickCLCacheInfo(MagickCLDevice device,
% Quantum *pixels,const MagickSizeType length)
%
% A description of each parameter follows:
%
% o device: the OpenCL device.
%
% o pixels: the pixel buffer of the image.
%
% o length: the length of the pixel buffer.
%
*/
MagickPrivate MagickCLCacheInfo AcquireMagickCLCacheInfo(MagickCLDevice device,
Quantum *pixels,const MagickSizeType length)
{
cl_int
status;
MagickCLCacheInfo
info;
info=(MagickCLCacheInfo) AcquireCriticalMemory(sizeof(*info));
(void) memset(info,0,sizeof(*info));
LockSemaphoreInfo(openCL_lock);
device->requested++;
UnlockSemaphoreInfo(openCL_lock);
info->device=device;
info->length=length;
info->pixels=pixels;
info->events_semaphore=AcquireSemaphoreInfo();
info->buffer=openCL_library->clCreateBuffer(device->context,
CL_MEM_READ_WRITE | CL_MEM_USE_HOST_PTR,(size_t) length,(void *) pixels,
&status);
if (status == CL_SUCCESS)
return(info);
DestroyMagickCLCacheInfo(info);
return((MagickCLCacheInfo) NULL);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% A c q u i r e M a g i c k C L D e v i c e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireMagickCLDevice() acquires an OpenCL device
%
% The format of the AcquireMagickCLDevice method is:
%
% MagickCLDevice AcquireMagickCLDevice()
%
*/
static MagickCLDevice AcquireMagickCLDevice()
{
MagickCLDevice
device;
device=(MagickCLDevice) AcquireMagickMemory(sizeof(*device));
if (device != NULL)
{
(void) memset(device,0,sizeof(*device));
ActivateSemaphoreInfo(&device->lock);
device->score=MAGICKCORE_OPENCL_UNDEFINED_SCORE;
device->command_queues_index=-1;
device->enabled=MagickTrue;
}
return(device);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% A c q u i r e M a g i c k C L E n v %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireMagickCLEnv() allocates the MagickCLEnv structure
%
*/
static MagickCLEnv AcquireMagickCLEnv(void)
{
char
*option;
MagickCLEnv
clEnv;
clEnv=(MagickCLEnv) AcquireMagickMemory(sizeof(*clEnv));
if (clEnv != (MagickCLEnv) NULL)
{
(void) memset(clEnv,0,sizeof(*clEnv));
ActivateSemaphoreInfo(&clEnv->lock);
clEnv->cpu_score=MAGICKCORE_OPENCL_UNDEFINED_SCORE;
clEnv->enabled=MagickFalse;
option=GetEnvironmentValue("MAGICK_OCL_DEVICE");
if (option != (const char *) NULL)
{
if ((IsStringTrue(option) != MagickFalse) ||
(strcmp(option,"GPU") == 0) ||
(strcmp(option,"CPU") == 0))
clEnv->enabled=MagickTrue;
option=DestroyString(option);
}
}
return clEnv;
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ A c q u i r e O p e n C L C o m m a n d Q u e u e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireOpenCLCommandQueue() acquires an OpenCL command queue
%
% The format of the AcquireOpenCLCommandQueue method is:
%
% cl_command_queue AcquireOpenCLCommandQueue(MagickCLDevice device)
%
% A description of each parameter follows:
%
% o device: the OpenCL device.
%
*/
MagickPrivate cl_command_queue AcquireOpenCLCommandQueue(MagickCLDevice device)
{
cl_command_queue
queue;
cl_command_queue_properties
properties;
assert(device != (MagickCLDevice) NULL);
LockSemaphoreInfo(device->lock);
if ((device->profile_kernels == MagickFalse) &&
(device->command_queues_index >= 0))
{
queue=device->command_queues[device->command_queues_index--];
UnlockSemaphoreInfo(device->lock);
}
else
{
UnlockSemaphoreInfo(device->lock);
properties=0;
if (device->profile_kernels != MagickFalse)
properties=CL_QUEUE_PROFILING_ENABLE;
queue=openCL_library->clCreateCommandQueue(device->context,
device->deviceID,properties,(cl_int *) NULL);
}
return(queue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ A c q u i r e O p e n C L K e r n e l %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireOpenCLKernel() acquires an OpenCL kernel
%
% The format of the AcquireOpenCLKernel method is:
%
% cl_kernel AcquireOpenCLKernel(MagickCLEnv clEnv,
% MagickOpenCLProgram program, const char* kernelName)
%
% A description of each parameter follows:
%
% o clEnv: the OpenCL environment.
%
% o program: the OpenCL program module that the kernel belongs to.
%
% o kernelName: the name of the kernel
%
*/
MagickPrivate cl_kernel AcquireOpenCLKernel(MagickCLDevice device,
const char *kernel_name)
{
cl_kernel
kernel;
assert(device != (MagickCLDevice) NULL);
(void) LogMagickEvent(AccelerateEvent,GetMagickModule(),"Using kernel: %s",
kernel_name);
kernel=openCL_library->clCreateKernel(device->program,kernel_name,
(cl_int *) NULL);
return(kernel);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% A u t o S e l e c t O p e n C L D e v i c e s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AutoSelectOpenCLDevices() determines the best device based on the
% information from the micro-benchmark.
%
% The format of the AutoSelectOpenCLDevices method is:
%
% void AcquireOpenCLKernel(MagickCLEnv clEnv,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o clEnv: the OpenCL environment.
%
% o exception: return any errors or warnings in this structure.
%
*/
#if !MAGICKCORE_ZERO_CONFIGURATION_SUPPORT
static MagickCLDeviceBenchmark* RelinquishDeviceBenchmark(
MagickCLDeviceBenchmark *device_benchmark)
{
if (device_benchmark == (MagickCLDeviceBenchmark*) NULL)
return((MagickCLDeviceBenchmark *) NULL);
device_benchmark->platform_name=(char *) RelinquishMagickMemory(
device_benchmark->platform_name);
device_benchmark->vendor_name=(char *) RelinquishMagickMemory(
device_benchmark->vendor_name);
device_benchmark->name=(char *) RelinquishMagickMemory(
device_benchmark->name);
device_benchmark->version=(char *) RelinquishMagickMemory(
device_benchmark->version);
return((MagickCLDeviceBenchmark *) RelinquishMagickMemory(
device_benchmark));
}
static void LoadOpenCLDeviceBenchmark(MagickCLEnv clEnv,const char *xml)
{
char
keyword[MagickPathExtent],
*token;
const char
*q;
MagickCLDeviceBenchmark
*device_benchmark;
size_t
i,
extent;
if (xml == (char *) NULL)
return;
device_benchmark=(MagickCLDeviceBenchmark *) NULL;
token=AcquireString(xml);
extent=strlen(token)+MagickPathExtent;
for (q=(char *) xml; *q != '\0'; )
{
/*
Interpret XML.
*/
(void) GetNextToken(q,&q,extent,token);
if (*token == '\0')
break;
(void) CopyMagickString(keyword,token,MagickPathExtent);
if (LocaleNCompare(keyword,"<!DOCTYPE",9) == 0)
{
/*
Doctype element.
*/
while ((LocaleNCompare(q,"]>",2) != 0) && (*q != '\0'))
(void) GetNextToken(q,&q,extent,token);
continue;
}
if (LocaleNCompare(keyword,"<!--",4) == 0)
{
/*
Comment element.
*/
while ((LocaleNCompare(q,"->",2) != 0) && (*q != '\0'))
(void) GetNextToken(q,&q,extent,token);
continue;
}
if (LocaleCompare(keyword,"<device") == 0)
{
/*
Device element.
*/
device_benchmark=(MagickCLDeviceBenchmark *) AcquireQuantumMemory(1,
sizeof(*device_benchmark));
if (device_benchmark == (MagickCLDeviceBenchmark *) NULL)
break;
(void) memset(device_benchmark,0,sizeof(*device_benchmark));
device_benchmark->score=MAGICKCORE_OPENCL_UNDEFINED_SCORE;
continue;
}
if (device_benchmark == (MagickCLDeviceBenchmark *) NULL)
continue;
if (LocaleCompare(keyword,"/>") == 0)
{
if (device_benchmark->score != MAGICKCORE_OPENCL_UNDEFINED_SCORE)
{
if (LocaleCompare(device_benchmark->name,"CPU") == 0)
clEnv->cpu_score=device_benchmark->score;
else
{
MagickCLDevice
device;
/*
Set the score for all devices that match this device.
*/
for (i = 0; i < clEnv->number_devices; i++)
{
device=clEnv->devices[i];
if (IsBenchmarkedOpenCLDevice(device,device_benchmark))
device->score=device_benchmark->score;
}
}
}
device_benchmark=RelinquishDeviceBenchmark(device_benchmark);
continue;
}
(void) GetNextToken(q,(const char **) NULL,extent,token);
if (*token != '=')
continue;
(void) GetNextToken(q,&q,extent,token);
(void) GetNextToken(q,&q,extent,token);
switch (*keyword)
{
case 'M':
case 'm':
{
if (LocaleCompare((char *) keyword,"maxClockFrequency") == 0)
{
device_benchmark->max_clock_frequency=StringToInteger(token);
break;
}
if (LocaleCompare((char *) keyword,"maxComputeUnits") == 0)
{
device_benchmark->max_compute_units=StringToInteger(token);
break;
}
break;
}
case 'N':
case 'n':
{
if (LocaleCompare((char *) keyword,"name") == 0)
device_benchmark->name=ConstantString(token);
break;
}
case 'P':
case 'p':
{
if (LocaleCompare((char *) keyword,"platform") == 0)
device_benchmark->platform_name=ConstantString(token);
break;
}
case 'S':
case 's':
{
if (LocaleCompare((char *) keyword,"score") == 0)
device_benchmark->score=StringToDouble(token,(char **) NULL);
break;
}
case 'V':
case 'v':
{
if (LocaleCompare((char *) keyword,"vendor") == 0)
device_benchmark->vendor_name=ConstantString(token);
if (LocaleCompare((char *) keyword,"version") == 0)
device_benchmark->version=ConstantString(token);
break;
}
default:
break;
}
}
token=(char *) RelinquishMagickMemory(token);
device_benchmark=RelinquishDeviceBenchmark(device_benchmark);
}
static MagickBooleanType CanWriteProfileToFile(const char *filename)
{
FILE
*profileFile;
profileFile=fopen_utf8(filename,"ab");
if (profileFile == (FILE *) NULL)
{
(void) LogMagickEvent(AccelerateEvent,GetMagickModule(),
"Unable to save profile to: \"%s\"",filename);
return(MagickFalse);
}
fclose(profileFile);
return(MagickTrue);
}
#endif
static MagickBooleanType LoadOpenCLBenchmarks(MagickCLEnv clEnv)
{
#if !MAGICKCORE_ZERO_CONFIGURATION_SUPPORT
char
filename[MagickPathExtent];
StringInfo
*option;
(void) FormatLocaleString(filename,MagickPathExtent,"%s%s%s",
GetOpenCLCacheDirectory(),DirectorySeparator,IMAGEMAGICK_PROFILE_FILE);
/*
We don't run the benchmark when we can not write out a device profile. The
first GPU device will be used.
*/
if (CanWriteProfileToFile(filename) == MagickFalse)
#endif
{
size_t
i;
for (i = 0; i < clEnv->number_devices; i++)
clEnv->devices[i]->score=1.0;
SelectOpenCLDevice(clEnv,CL_DEVICE_TYPE_GPU);
return(MagickFalse);
}
#if !MAGICKCORE_ZERO_CONFIGURATION_SUPPORT
option=ConfigureFileToStringInfo(filename);
LoadOpenCLDeviceBenchmark(clEnv,(const char *) GetStringInfoDatum(option));
option=DestroyStringInfo(option);
return(MagickTrue);
#endif
}
static void AutoSelectOpenCLDevices(MagickCLEnv clEnv)
{
char
*option;
double
best_score;
MagickBooleanType
benchmark;
size_t
i;
option=GetEnvironmentValue("MAGICK_OCL_DEVICE");
if (option != (const char *) NULL)
{
if (strcmp(option,"GPU") == 0)
SelectOpenCLDevice(clEnv,CL_DEVICE_TYPE_GPU);
else if (strcmp(option,"CPU") == 0)
SelectOpenCLDevice(clEnv,CL_DEVICE_TYPE_CPU);
option=DestroyString(option);
}
if (LoadOpenCLBenchmarks(clEnv) == MagickFalse)
return;
benchmark=MagickFalse;
if (clEnv->cpu_score == MAGICKCORE_OPENCL_UNDEFINED_SCORE)
benchmark=MagickTrue;
else
{
for (i = 0; i < clEnv->number_devices; i++)
{
if (clEnv->devices[i]->score == MAGICKCORE_OPENCL_UNDEFINED_SCORE)
{
benchmark=MagickTrue;
break;
}
}
}
if (benchmark != MagickFalse)
BenchmarkOpenCLDevices(clEnv);
best_score=clEnv->cpu_score;
for (i = 0; i < clEnv->number_devices; i++)
best_score=MagickMin(clEnv->devices[i]->score,best_score);
for (i = 0; i < clEnv->number_devices; i++)
{
if (clEnv->devices[i]->score != best_score)
clEnv->devices[i]->enabled=MagickFalse;
}
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% B e n c h m a r k O p e n C L D e v i c e s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% BenchmarkOpenCLDevices() benchmarks the OpenCL devices and the CPU to help
% the automatic selection of the best device.
%
% The format of the BenchmarkOpenCLDevices method is:
%
% void BenchmarkOpenCLDevices(MagickCLEnv clEnv,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o clEnv: the OpenCL environment.
%
% o exception: return any errors or warnings
*/
static double RunOpenCLBenchmark(MagickBooleanType is_cpu)
{
AccelerateTimer
timer;
ExceptionInfo
*exception;
Image
*inputImage;
ImageInfo
*imageInfo;
size_t
i;
exception=AcquireExceptionInfo();
imageInfo=AcquireImageInfo();
CloneString(&imageInfo->size,"2048x1536");
(void) CopyMagickString(imageInfo->filename,"xc:none",MagickPathExtent);
inputImage=ReadImage(imageInfo,exception);
if (inputImage == (Image *) NULL)
return(0.0);
InitAccelerateTimer(&timer);
for (i=0; i<=2; i++)
{
Image
*blurredImage,
*resizedImage,
*unsharpedImage;
if (i > 0)
StartAccelerateTimer(&timer);
blurredImage=BlurImage(inputImage,10.0f,3.5f,exception);
unsharpedImage=UnsharpMaskImage(blurredImage,2.0f,2.0f,50.0f,10.0f,
exception);
resizedImage=ResizeImage(unsharpedImage,640,480,LanczosFilter,
exception);
/*
We need this to get a proper performance benchmark, the operations
are executed asynchronous.
*/
if (is_cpu == MagickFalse)
{
CacheInfo
*cache_info;
cache_info=(CacheInfo *) resizedImage->cache;
if (cache_info->opencl != (MagickCLCacheInfo) NULL)
openCL_library->clWaitForEvents(cache_info->opencl->event_count,
cache_info->opencl->events);
}
if (i > 0)
StopAccelerateTimer(&timer);
if (blurredImage != (Image *) NULL)
DestroyImage(blurredImage);
if (unsharpedImage != (Image *) NULL)
DestroyImage(unsharpedImage);
if (resizedImage != (Image *) NULL)
DestroyImage(resizedImage);
}
DestroyImage(inputImage);
return(ReadAccelerateTimer(&timer));
}
static void RunDeviceBenchmark(MagickCLEnv clEnv,MagickCLEnv testEnv,
MagickCLDevice device)
{
testEnv->devices[0]=device;
default_CLEnv=testEnv;
device->score=RunOpenCLBenchmark(MagickFalse);
default_CLEnv=clEnv;
testEnv->devices[0]=(MagickCLDevice) NULL;
}
static void CacheOpenCLBenchmarks(MagickCLEnv clEnv)
{
char
filename[MagickPathExtent];
FILE
*cache_file;
MagickCLDevice
device;
size_t
i,
j;
(void) FormatLocaleString(filename,MagickPathExtent,"%s%s%s",
GetOpenCLCacheDirectory(),DirectorySeparator,
IMAGEMAGICK_PROFILE_FILE);
cache_file=fopen_utf8(filename,"wb");
if (cache_file == (FILE *) NULL)
return;
fwrite("<devices>\n",sizeof(char),10,cache_file);
fprintf(cache_file," <device name=\"CPU\" score=\"%.4g\"/>\n",
clEnv->cpu_score);
for (i = 0; i < clEnv->number_devices; i++)
{
MagickBooleanType
duplicate;
device=clEnv->devices[i];
duplicate=MagickFalse;
for (j = 0; j < i; j++)
{
if (IsSameOpenCLDevice(clEnv->devices[j],device))
{
duplicate=MagickTrue;
break;
}
}
if (duplicate)
continue;
if (device->score != MAGICKCORE_OPENCL_UNDEFINED_SCORE)
fprintf(cache_file," <device platform=\"%s\" vendor=\"%s\" name=\"%s\"\
version=\"%s\" maxClockFrequency=\"%d\" maxComputeUnits=\"%d\"\
score=\"%.4g\"/>\n",
device->platform_name,device->vendor_name,device->name,device->version,
(int)device->max_clock_frequency,(int)device->max_compute_units,
device->score);
}
fwrite("</devices>",sizeof(char),10,cache_file);
fclose(cache_file);
}
static void BenchmarkOpenCLDevices(MagickCLEnv clEnv)
{
MagickCLDevice
device;
MagickCLEnv
testEnv;
size_t
i,
j;
(void) LogMagickEvent(AccelerateEvent,GetMagickModule(),
"Starting benchmark");
testEnv=AcquireMagickCLEnv();
testEnv->library=openCL_library;
testEnv->devices=(MagickCLDevice *) AcquireCriticalMemory(
sizeof(MagickCLDevice));
testEnv->number_devices=1;
testEnv->benchmark_thread_id=GetMagickThreadId();
testEnv->initialized=MagickTrue;
for (i = 0; i < clEnv->number_devices; i++)
clEnv->devices[i]->score=MAGICKCORE_OPENCL_UNDEFINED_SCORE;
for (i = 0; i < clEnv->number_devices; i++)
{
device=clEnv->devices[i];
if (device->score == MAGICKCORE_OPENCL_UNDEFINED_SCORE)
RunDeviceBenchmark(clEnv,testEnv,device);
/* Set the score on all the other devices that are the same */
for (j = i+1; j < clEnv->number_devices; j++)
{
MagickCLDevice
other_device;
other_device=clEnv->devices[j];
if (IsSameOpenCLDevice(device,other_device))
other_device->score=device->score;
}
}
testEnv->enabled=MagickFalse;
default_CLEnv=testEnv;
clEnv->cpu_score=RunOpenCLBenchmark(MagickTrue);
default_CLEnv=clEnv;
testEnv=RelinquishMagickCLEnv(testEnv);
CacheOpenCLBenchmarks(clEnv);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% C o m p i l e O p e n C L K e r n e l %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% CompileOpenCLKernel() compiles the kernel for the specified device. The
% kernel will be cached on disk to reduce the compilation time.
%
% The format of the CompileOpenCLKernel method is:
%
% MagickBooleanType AcquireOpenCLKernel(MagickCLDevice clEnv,
% unsigned int signature,const char *kernel,const char *options,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o device: the OpenCL device.
%
% o kernel: the source code of the kernel.
%
% o options: options for the compiler.
%
% o signature: a number to uniquely identify the kernel
%
% o exception: return any errors or warnings in this structure.
%
*/
static void CacheOpenCLKernel(MagickCLDevice device,char *filename,
ExceptionInfo *exception)
{
cl_uint
status;
size_t
binaryProgramSize;
unsigned char
*binaryProgram;
status=openCL_library->clGetProgramInfo(device->program,
CL_PROGRAM_BINARY_SIZES,sizeof(size_t),&binaryProgramSize,NULL);
if (status != CL_SUCCESS)
return;
binaryProgram=(unsigned char*) AcquireQuantumMemory(1,binaryProgramSize);
if (binaryProgram == (unsigned char *) NULL)
{
(void) ThrowMagickException(exception,GetMagickModule(),
ResourceLimitError,"MemoryAllocationFailed","`%s'",filename);
return;
}
status=openCL_library->clGetProgramInfo(device->program,
CL_PROGRAM_BINARIES,sizeof(unsigned char*),&binaryProgram,NULL);
if (status == CL_SUCCESS)
{
(void) LogMagickEvent(AccelerateEvent,GetMagickModule(),
"Creating cache file: \"%s\"",filename);
(void) BlobToFile(filename,binaryProgram,binaryProgramSize,exception);
}
binaryProgram=(unsigned char *) RelinquishMagickMemory(binaryProgram);
}
static MagickBooleanType LoadCachedOpenCLKernels(MagickCLDevice device,
const char *filename)
{
cl_int
binaryStatus,
status;
ExceptionInfo
*sans_exception;
size_t
length;
unsigned char
*binaryProgram;
sans_exception=AcquireExceptionInfo();
binaryProgram=(unsigned char *) FileToBlob(filename,SIZE_MAX,&length,
sans_exception);
sans_exception=DestroyExceptionInfo(sans_exception);
if (binaryProgram == (unsigned char *) NULL)
return(MagickFalse);
(void) LogMagickEvent(AccelerateEvent,GetMagickModule(),
"Loaded cached kernels: \"%s\"",filename);
device->program=openCL_library->clCreateProgramWithBinary(device->context,1,
&device->deviceID,&length,(const unsigned char**)&binaryProgram,
&binaryStatus,&status);
binaryProgram=(unsigned char *) RelinquishMagickMemory(binaryProgram);
return((status != CL_SUCCESS) || (binaryStatus != CL_SUCCESS) ? MagickFalse :
MagickTrue);
}
static void LogOpenCLBuildFailure(MagickCLDevice device,const char *kernel,
ExceptionInfo *exception)
{
char
filename[MagickPathExtent],
*log;
size_t
log_size;
(void) FormatLocaleString(filename,MagickPathExtent,"%s%s%s",
GetOpenCLCacheDirectory(),DirectorySeparator,"magick_badcl.cl");
(void) remove_utf8(filename);
(void) BlobToFile(filename,kernel,strlen(kernel),exception);
openCL_library->clGetProgramBuildInfo(device->program,device->deviceID,
CL_PROGRAM_BUILD_LOG,0,NULL,&log_size);
log=(char*)AcquireCriticalMemory(log_size);
openCL_library->clGetProgramBuildInfo(device->program,device->deviceID,
CL_PROGRAM_BUILD_LOG,log_size,log,&log_size);
(void) FormatLocaleString(filename,MagickPathExtent,"%s%s%s",
GetOpenCLCacheDirectory(),DirectorySeparator,"magick_badcl.log");
(void) remove_utf8(filename);
(void) BlobToFile(filename,log,log_size,exception);
log=(char*)RelinquishMagickMemory(log);
}
static MagickBooleanType CompileOpenCLKernel(MagickCLDevice device,
const char *kernel,const char *options,size_t signature,
ExceptionInfo *exception)
{
char
deviceName[MagickPathExtent],
filename[MagickPathExtent],
*ptr;
cl_int
status;
MagickBooleanType
loaded;
size_t
length;
(void) CopyMagickString(deviceName,device->name,MagickPathExtent);
ptr=deviceName;
/* Strip out illegal characters for file names */
while (*ptr != '\0')
{
if ((*ptr == ' ') || (*ptr == '\\') || (*ptr == '/') || (*ptr == ':') ||
(*ptr == '*') || (*ptr == '?') || (*ptr == '"') || (*ptr == '<') ||
(*ptr == '>' || *ptr == '|'))
*ptr = '_';
ptr++;
}
(void) FormatLocaleString(filename,MagickPathExtent,
"%s%s%s_%s_%08x_%.17g.bin",GetOpenCLCacheDirectory(),
DirectorySeparator,"magick_opencl",deviceName,(unsigned int) signature,
(double) sizeof(char*)*8);
loaded=LoadCachedOpenCLKernels(device,filename);
if (loaded == MagickFalse)
{
/* Binary CL program unavailable, compile the program from source */
length=strlen(kernel);
device->program=openCL_library->clCreateProgramWithSource(
device->context,1,&kernel,&length,&status);
if (status != CL_SUCCESS)
return(MagickFalse);
}
status=openCL_library->clBuildProgram(device->program,1,&device->deviceID,
options,NULL,NULL);
if (status != CL_SUCCESS)
{
(void) ThrowMagickException(exception,GetMagickModule(),DelegateWarning,
"clBuildProgram failed.","(%d)",(int)status);
LogOpenCLBuildFailure(device,kernel,exception);
return(MagickFalse);
}
/* Save the binary to a file to avoid re-compilation of the kernels */
if (loaded == MagickFalse)
CacheOpenCLKernel(device,filename,exception);
return(MagickTrue);
}
static cl_event* CopyOpenCLEvents(MagickCLCacheInfo first,
MagickCLCacheInfo second,cl_uint *event_count)
{
cl_event
*events;
size_t
i;
size_t
j;
assert(first != (MagickCLCacheInfo) NULL);
assert(event_count != (cl_uint *) NULL);
events=(cl_event *) NULL;
LockSemaphoreInfo(first->events_semaphore);
if (second != (MagickCLCacheInfo) NULL)
LockSemaphoreInfo(second->events_semaphore);
*event_count=first->event_count;
if (second != (MagickCLCacheInfo) NULL)
*event_count+=second->event_count;
if (*event_count > 0)
{
events=(cl_event *) AcquireQuantumMemory(*event_count,sizeof(*events));
if (events == (cl_event *) NULL)
*event_count=0;
else
{
j=0;
for (i=0; i < first->event_count; i++, j++)
events[j]=first->events[i];
if (second != (MagickCLCacheInfo) NULL)
{
for (i=0; i < second->event_count; i++, j++)
events[j]=second->events[i];
}
}
}
UnlockSemaphoreInfo(first->events_semaphore);
if (second != (MagickCLCacheInfo) NULL)
UnlockSemaphoreInfo(second->events_semaphore);
return(events);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ C o p y M a g i c k C L C a c h e I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% CopyMagickCLCacheInfo() copies the memory from the device into host memory.
%
% The format of the CopyMagickCLCacheInfo method is:
%
% void CopyMagickCLCacheInfo(MagickCLCacheInfo info)
%
% A description of each parameter follows:
%
% o info: the OpenCL cache info.
%
*/
MagickPrivate MagickCLCacheInfo CopyMagickCLCacheInfo(MagickCLCacheInfo info)
{
cl_command_queue
queue;
cl_event
*events;
cl_uint
event_count;
Quantum
*pixels;
if (info == (MagickCLCacheInfo) NULL)
return((MagickCLCacheInfo) NULL);
events=CopyOpenCLEvents(info,(MagickCLCacheInfo) NULL,&event_count);
if (events != (cl_event *) NULL)
{
queue=AcquireOpenCLCommandQueue(info->device);
pixels=(Quantum *) openCL_library->clEnqueueMapBuffer(queue,info->buffer,
CL_TRUE,CL_MAP_READ | CL_MAP_WRITE,0,(size_t) info->length,event_count,
events,
(cl_event *) NULL,(cl_int *) NULL);
assert(pixels == info->pixels);
ReleaseOpenCLCommandQueue(info->device,queue);
events=(cl_event *) RelinquishMagickMemory(events);
}
return(RelinquishMagickCLCacheInfo(info,MagickFalse));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ D u m p O p e n C L P r o f i l e D a t a %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DumpOpenCLProfileData() dumps the kernel profile data.
%
% The format of the DumpProfileData method is:
%
% void DumpProfileData()
%
*/
MagickPrivate void DumpOpenCLProfileData()
{
#define OpenCLLog(message) \
fwrite(message,sizeof(char),strlen(message),log); \
fwrite("\n",sizeof(char),1,log);
char
buf[4096],
filename[MagickPathExtent],
indent[160];
FILE
*log;
size_t
i,
j;
if (default_CLEnv == (MagickCLEnv) NULL)
return;
for (i = 0; i < default_CLEnv->number_devices; i++)
if (default_CLEnv->devices[i]->profile_kernels != MagickFalse)
break;
if (i == default_CLEnv->number_devices)
return;
(void) FormatLocaleString(filename,MagickPathExtent,"%s%s%s",
GetOpenCLCacheDirectory(),DirectorySeparator,"ImageMagickOpenCL.log");
log=fopen_utf8(filename,"wb");
if (log == (FILE *) NULL)
return;
for (i = 0; i < default_CLEnv->number_devices; i++)
{
MagickCLDevice
device;
device=default_CLEnv->devices[i];
if ((device->profile_kernels == MagickFalse) ||
(device->profile_records == (KernelProfileRecord *) NULL))
continue;
OpenCLLog("====================================================");
fprintf(log,"Device: %s\n",device->name);
fprintf(log,"Version: %s\n",device->version);
OpenCLLog("====================================================");
OpenCLLog(" average calls min max");
OpenCLLog(" ------- ----- --- ---");
j=0;
while (device->profile_records[j] != (KernelProfileRecord) NULL)
{
KernelProfileRecord
profile;
profile=device->profile_records[j];
(void) CopyMagickString(indent," ",
sizeof(indent));
(void) CopyMagickString(indent,profile->kernel_name,MagickMin(strlen(
profile->kernel_name),strlen(indent)));
(void) FormatLocaleString(buf,sizeof(buf),"%s %7d %7d %7d %7d",indent,
(int) (profile->total/profile->count),(int) profile->count,
(int) profile->min,(int) profile->max);
OpenCLLog(buf);
j++;
}
OpenCLLog("====================================================");
fwrite("\n\n",sizeof(char),2,log);
}
fclose(log);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ E n q u e u e O p e n C L K e r n e l %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% EnqueueOpenCLKernel() enques the specified kernel and registers the OpenCL
% events with the images.
%
% The format of the EnqueueOpenCLKernel method is:
%
% MagickBooleanType EnqueueOpenCLKernel(cl_kernel kernel,cl_uint work_dim,
% const size_t *global_work_offset,const size_t *global_work_size,
% const size_t *local_work_size,const Image *input_image,
% const Image *output_image,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o kernel: the OpenCL kernel.
%
% o work_dim: the number of dimensions used to specify the global work-items
% and work-items in the work-group.
%
% o offset: can be used to specify an array of work_dim unsigned values
% that describe the offset used to calculate the global ID of a
% work-item.
%
% o gsize: points to an array of work_dim unsigned values that describe the
% number of global work-items in work_dim dimensions that will
% execute the kernel function.
%
% o lsize: points to an array of work_dim unsigned values that describe the
% number of work-items that make up a work-group that will execute
% the kernel specified by kernel.
%
% o input_image: the input image of the operation.
%
% o output_image: the output or secondary image of the operation.
%
% o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType RegisterCacheEvent(MagickCLCacheInfo info,
cl_event event)
{
assert(info != (MagickCLCacheInfo) NULL);
assert(event != (cl_event) NULL);
if (openCL_library->clRetainEvent(event) != CL_SUCCESS)
{
openCL_library->clWaitForEvents(1,&event);
return(MagickFalse);
}
LockSemaphoreInfo(info->events_semaphore);
if (info->events == (cl_event *) NULL)
{
info->events=(cl_event *) AcquireMagickMemory(sizeof(*info->events));
info->event_count=1;
}
else
info->events=(cl_event *) ResizeQuantumMemory(info->events,
++info->event_count,sizeof(*info->events));
if (info->events == (cl_event *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
info->events[info->event_count-1]=event;
UnlockSemaphoreInfo(info->events_semaphore);
return(MagickTrue);
}
MagickPrivate MagickBooleanType EnqueueOpenCLKernel(cl_command_queue queue,
cl_kernel kernel,cl_uint work_dim,const size_t *offset,const size_t *gsize,
const size_t *lsize,const Image *input_image,const Image *output_image,
MagickBooleanType flush,ExceptionInfo *exception)
{
CacheInfo
*output_info,
*input_info;
cl_event
event,
*events;
cl_int
status;
cl_uint
event_count;
assert(input_image != (const Image *) NULL);
input_info=(CacheInfo *) input_image->cache;
assert(input_info != (CacheInfo *) NULL);
assert(input_info->opencl != (MagickCLCacheInfo) NULL);
output_info=(CacheInfo *) NULL;
if (output_image == (const Image *) NULL)
events=CopyOpenCLEvents(input_info->opencl,(MagickCLCacheInfo) NULL,
&event_count);
else
{
output_info=(CacheInfo *) output_image->cache;
assert(output_info != (CacheInfo *) NULL);
assert(output_info->opencl != (MagickCLCacheInfo) NULL);
events=CopyOpenCLEvents(input_info->opencl,output_info->opencl,
&event_count);
}
status=openCL_library->clEnqueueNDRangeKernel(queue,kernel,work_dim,offset,
gsize,lsize,event_count,events,&event);
/* This can fail due to memory issues and calling clFinish might help. */
if ((status != CL_SUCCESS) && (event_count > 0))
{
openCL_library->clFinish(queue);
status=openCL_library->clEnqueueNDRangeKernel(queue,kernel,work_dim,
offset,gsize,lsize,event_count,events,&event);
}
events=(cl_event *) RelinquishMagickMemory(events);
if (status != CL_SUCCESS)
{
(void) OpenCLThrowMagickException(input_info->opencl->device,exception,
GetMagickModule(),ResourceLimitWarning,
"clEnqueueNDRangeKernel failed.","'%s'",".");
return(MagickFalse);
}
if (flush != MagickFalse)
openCL_library->clFlush(queue);
if (RecordProfileData(input_info->opencl->device,kernel,event) == MagickFalse)
{
if (RegisterCacheEvent(input_info->opencl,event) != MagickFalse)
{
if (output_info != (CacheInfo *) NULL)
(void) RegisterCacheEvent(output_info->opencl,event);
}
}
openCL_library->clReleaseEvent(event);
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ G e t C u r r e n t O p e n C L E n v %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetCurrentOpenCLEnv() returns the current OpenCL env
%
% The format of the GetCurrentOpenCLEnv method is:
%
% MagickCLEnv GetCurrentOpenCLEnv()
%
*/
MagickPrivate MagickCLEnv GetCurrentOpenCLEnv(void)
{
if (default_CLEnv != (MagickCLEnv) NULL)
{
if ((default_CLEnv->benchmark_thread_id != (MagickThreadType) 0) &&
(default_CLEnv->benchmark_thread_id != GetMagickThreadId()))
return((MagickCLEnv) NULL);
else
return(default_CLEnv);
}
if (GetOpenCLCacheDirectory() == (char *) NULL)
return((MagickCLEnv) NULL);
if (openCL_lock == (SemaphoreInfo *) NULL)
ActivateSemaphoreInfo(&openCL_lock);
LockSemaphoreInfo(openCL_lock);
if (default_CLEnv == (MagickCLEnv) NULL)
default_CLEnv=AcquireMagickCLEnv();
UnlockSemaphoreInfo(openCL_lock);
return(default_CLEnv);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t O p e n C L D e v i c e B e n c h m a r k D u r a t i o n %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetOpenCLDeviceBenchmarkScore() returns the score of the benchmark for the
% device. The score is determined by the duration of the micro benchmark so
% that means a lower score is better than a higher score.
%
% The format of the GetOpenCLDeviceBenchmarkScore method is:
%
% double GetOpenCLDeviceBenchmarkScore(const MagickCLDevice device)
%
% A description of each parameter follows:
%
% o device: the OpenCL device.
*/
MagickExport double GetOpenCLDeviceBenchmarkScore(
const MagickCLDevice device)
{
if (device == (MagickCLDevice) NULL)
return(MAGICKCORE_OPENCL_UNDEFINED_SCORE);
return(device->score);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t O p e n C L D e v i c e E n a b l e d %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetOpenCLDeviceEnabled() returns true if the device is enabled.
%
% The format of the GetOpenCLDeviceEnabled method is:
%
% MagickBooleanType GetOpenCLDeviceEnabled(const MagickCLDevice device)
%
% A description of each parameter follows:
%
% o device: the OpenCL device.
*/
MagickExport MagickBooleanType GetOpenCLDeviceEnabled(
const MagickCLDevice device)
{
if (device == (MagickCLDevice) NULL)
return(MagickFalse);
return(device->enabled);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t O p e n C L D e v i c e N a m e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetOpenCLDeviceName() returns the name of the device.
%
% The format of the GetOpenCLDeviceName method is:
%
% const char *GetOpenCLDeviceName(const MagickCLDevice device)
%
% A description of each parameter follows:
%
% o device: the OpenCL device.
*/
MagickExport const char *GetOpenCLDeviceName(const MagickCLDevice device)
{
if (device == (MagickCLDevice) NULL)
return((const char *) NULL);
return(device->name);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t O p e n C L D e v i c e V e n d o r N a m e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetOpenCLDeviceVendorName() returns the vendor name of the device.
%
% The format of the GetOpenCLDeviceVendorName method is:
%
% const char *GetOpenCLDeviceVendorName(const MagickCLDevice device)
%
% A description of each parameter follows:
%
% o device: the OpenCL device.
*/
MagickExport const char *GetOpenCLDeviceVendorName(const MagickCLDevice device)
{
if (device == (MagickCLDevice) NULL)
return((const char *) NULL);
return(device->vendor_name);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t O p e n C L D e v i c e s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetOpenCLDevices() returns the devices of the OpenCL environment at sets the
% value of length to the number of devices that are available.
%
% The format of the GetOpenCLDevices method is:
%
% const MagickCLDevice *GetOpenCLDevices(size_t *length,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o length: the number of device.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport MagickCLDevice *GetOpenCLDevices(size_t *length,
ExceptionInfo *exception)
{
MagickCLEnv
clEnv;
clEnv=GetCurrentOpenCLEnv();
if (clEnv == (MagickCLEnv) NULL)
{
if (length != (size_t *) NULL)
*length=0;
return((MagickCLDevice *) NULL);
}
InitializeOpenCL(clEnv,exception);
if (length != (size_t *) NULL)
*length=clEnv->number_devices;
return(clEnv->devices);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t O p e n C L D e v i c e T y p e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetOpenCLDeviceType() returns the type of the device.
%
% The format of the GetOpenCLDeviceType method is:
%
% MagickCLDeviceType GetOpenCLDeviceType(const MagickCLDevice device)
%
% A description of each parameter follows:
%
% o device: the OpenCL device.
*/
MagickExport MagickCLDeviceType GetOpenCLDeviceType(
const MagickCLDevice device)
{
if (device == (MagickCLDevice) NULL)
return(UndefinedCLDeviceType);
if (device->type == CL_DEVICE_TYPE_GPU)
return(GpuCLDeviceType);
if (device->type == CL_DEVICE_TYPE_CPU)
return(CpuCLDeviceType);
return(UndefinedCLDeviceType);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t O p e n C L D e v i c e V e r s i o n %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetOpenCLDeviceVersion() returns the version of the device.
%
% The format of the GetOpenCLDeviceName method is:
%
% const char *GetOpenCLDeviceVersion(MagickCLDevice device)
%
% A description of each parameter follows:
%
% o device: the OpenCL device.
*/
MagickExport const char *GetOpenCLDeviceVersion(const MagickCLDevice device)
{
if (device == (MagickCLDevice) NULL)
return((const char *) NULL);
return(device->version);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t O p e n C L E n a b l e d %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetOpenCLEnabled() returns true if OpenCL acceleration is enabled.
%
% The format of the GetOpenCLEnabled method is:
%
% MagickBooleanType GetOpenCLEnabled()
%
*/
MagickExport MagickBooleanType GetOpenCLEnabled(void)
{
MagickCLEnv
clEnv;
clEnv=GetCurrentOpenCLEnv();
if (clEnv == (MagickCLEnv) NULL)
return(MagickFalse);
return(clEnv->enabled);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t O p e n C L K e r n e l P r o f i l e R e c o r d s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetOpenCLKernelProfileRecords() returns the profile records for the
% specified device and sets length to the number of profile records.
%
% The format of the GetOpenCLKernelProfileRecords method is:
%
% const KernelProfileRecord *GetOpenCLKernelProfileRecords(size *length)
%
% A description of each parameter follows:
%
% o length: the number of profiles records.
*/
MagickExport const KernelProfileRecord *GetOpenCLKernelProfileRecords(
const MagickCLDevice device,size_t *length)
{
if ((device == (const MagickCLDevice) NULL) || (device->profile_records ==
(KernelProfileRecord *) NULL))
{
if (length != (size_t *) NULL)
*length=0;
return((const KernelProfileRecord *) NULL);
}
if (length != (size_t *) NULL)
{
*length=0;
LockSemaphoreInfo(device->lock);
while (device->profile_records[*length] != (KernelProfileRecord) NULL)
*length=*length+1;
UnlockSemaphoreInfo(device->lock);
}
return(device->profile_records);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% H a s O p e n C L D e v i c e s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% HasOpenCLDevices() checks if the OpenCL environment has devices that are
% enabled and compiles the kernel for the device when necessary. False will be
% returned if no enabled devices could be found
%
% The format of the HasOpenCLDevices method is:
%
% MagickBooleanType HasOpenCLDevices(MagickCLEnv clEnv,
% ExceptionInfo exception)
%
% A description of each parameter follows:
%
% o clEnv: the OpenCL environment.
%
% o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType HasOpenCLDevices(MagickCLEnv clEnv,
ExceptionInfo *exception)
{
char
*accelerateKernelsBuffer,
options[MagickPathExtent];
MagickBooleanType
status;
size_t
i;
size_t
signature;
/* Check if there are enabled devices */
for (i = 0; i < clEnv->number_devices; i++)
{
if ((clEnv->devices[i]->enabled != MagickFalse))
break;
}
if (i == clEnv->number_devices)
return(MagickFalse);
/* Check if we need to compile a kernel for one of the devices */
status=MagickTrue;
for (i = 0; i < clEnv->number_devices; i++)
{
if ((clEnv->devices[i]->enabled != MagickFalse) &&
(clEnv->devices[i]->program == (cl_program) NULL))
{
status=MagickFalse;
break;
}
}
if (status != MagickFalse)
return(MagickTrue);
/* Get additional options */
(void) FormatLocaleString(options,MagickPathExtent,CLOptions,
(float)QuantumRange,(float)CLCharQuantumScale,(float)MagickEpsilon,
(float)MagickPI,(unsigned int)MaxMap,(unsigned int)MAGICKCORE_QUANTUM_DEPTH);
signature=StringSignature(options);
accelerateKernelsBuffer=(char*) AcquireQuantumMemory(1,
strlen(accelerateKernels)+strlen(accelerateKernels2)+1);
if (accelerateKernelsBuffer == (char*) NULL)
return(MagickFalse);
(void) FormatLocaleString(accelerateKernelsBuffer,strlen(accelerateKernels)+
strlen(accelerateKernels2)+1,"%s%s",accelerateKernels,accelerateKernels2);
signature^=StringSignature(accelerateKernelsBuffer);
status=MagickTrue;
for (i = 0; i < clEnv->number_devices; i++)
{
MagickCLDevice
device;
size_t
device_signature;
device=clEnv->devices[i];
if ((device->enabled == MagickFalse) ||
(device->program != (cl_program) NULL))
continue;
LockSemaphoreInfo(device->lock);
if (device->program != (cl_program) NULL)
{
UnlockSemaphoreInfo(device->lock);
continue;
}
device_signature=signature;
device_signature^=StringSignature(device->platform_name);
status=CompileOpenCLKernel(device,accelerateKernelsBuffer,options,
device_signature,exception);
UnlockSemaphoreInfo(device->lock);
if (status == MagickFalse)
break;
}
accelerateKernelsBuffer=(char *) RelinquishMagickMemory(
accelerateKernelsBuffer);
return(status);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ I n i t i a l i z e O p e n C L %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% InitializeOpenCL() is used to initialize the OpenCL environment. This method
% makes sure the devices are properly initialized and benchmarked.
%
% The format of the InitializeOpenCL method is:
%
% MagickBooleanType InitializeOpenCL(ExceptionInfo exception)
%
% A description of each parameter follows:
%
% o exception: return any errors or warnings in this structure.
%
*/
static cl_uint GetOpenCLDeviceCount(MagickCLEnv clEnv,cl_platform_id platform)
{
char
version[MagickPathExtent];
cl_uint
num;
if (clEnv->library->clGetPlatformInfo(platform,CL_PLATFORM_VERSION,
MagickPathExtent,version,NULL) != CL_SUCCESS)
return(0);
if (strncmp(version,"OpenCL 1.0 ",11) == 0)
return(0);
if (clEnv->library->clGetDeviceIDs(platform,
CL_DEVICE_TYPE_CPU|CL_DEVICE_TYPE_GPU,0,NULL,&num) != CL_SUCCESS)
return(0);
return(num);
}
static inline char *GetOpenCLPlatformString(cl_platform_id platform,
cl_platform_info param_name)
{
char
*value;
size_t
length;
openCL_library->clGetPlatformInfo(platform,param_name,0,NULL,&length);
value=(char *) AcquireCriticalMemory(length*sizeof(*value));
openCL_library->clGetPlatformInfo(platform,param_name,length,value,NULL);
return(value);
}
static inline char *GetOpenCLDeviceString(cl_device_id device,
cl_device_info param_name)
{
char
*value;
size_t
length;
openCL_library->clGetDeviceInfo(device,param_name,0,NULL,&length);
value=(char *) AcquireCriticalMemory(length*sizeof(*value));
openCL_library->clGetDeviceInfo(device,param_name,length,value,NULL);
return(value);
}
static void LoadOpenCLDevices(MagickCLEnv clEnv)
{
cl_context_properties
properties[3];
cl_device_id
*devices;
cl_int
status;
cl_platform_id
*platforms;
cl_uint
i,
j,
next,
number_devices,
number_platforms;
number_platforms=0;
if (openCL_library->clGetPlatformIDs(0,NULL,&number_platforms) != CL_SUCCESS)
return;
if (number_platforms == 0)
return;
platforms=(cl_platform_id *) AcquireQuantumMemory(1,number_platforms*
sizeof(cl_platform_id));
if (platforms == (cl_platform_id *) NULL)
return;
if (openCL_library->clGetPlatformIDs(number_platforms,platforms,NULL) != CL_SUCCESS)
{
platforms=(cl_platform_id *) RelinquishMagickMemory(platforms);
return;
}
for (i = 0; i < number_platforms; i++)
{
number_devices=GetOpenCLDeviceCount(clEnv,platforms[i]);
if (number_devices == 0)
platforms[i]=(cl_platform_id) NULL;
else
clEnv->number_devices+=number_devices;
}
if (clEnv->number_devices == 0)
{
platforms=(cl_platform_id *) RelinquishMagickMemory(platforms);
return;
}
clEnv->devices=(MagickCLDevice *) AcquireQuantumMemory(clEnv->number_devices,
sizeof(MagickCLDevice));
if (clEnv->devices == (MagickCLDevice *) NULL)
{
RelinquishMagickCLDevices(clEnv);
platforms=(cl_platform_id *) RelinquishMagickMemory(platforms);
return;
}
(void) memset(clEnv->devices,0,clEnv->number_devices*sizeof(MagickCLDevice));
devices=(cl_device_id *) AcquireQuantumMemory(clEnv->number_devices,
sizeof(cl_device_id));
if (devices == (cl_device_id *) NULL)
{
platforms=(cl_platform_id *) RelinquishMagickMemory(platforms);
RelinquishMagickCLDevices(clEnv);
return;
}
(void) memset(devices,0,clEnv->number_devices*sizeof(cl_device_id));
clEnv->number_contexts=(size_t) number_platforms;
clEnv->contexts=(cl_context *) AcquireQuantumMemory(clEnv->number_contexts,
sizeof(cl_context));
if (clEnv->contexts == (cl_context *) NULL)
{
devices=(cl_device_id *) RelinquishMagickMemory(devices);
platforms=(cl_platform_id *) RelinquishMagickMemory(platforms);
RelinquishMagickCLDevices(clEnv);
return;
}
(void) memset(clEnv->contexts,0,clEnv->number_contexts*sizeof(cl_context));
next=0;
for (i = 0; i < number_platforms; i++)
{
if (platforms[i] == (cl_platform_id) NULL)
continue;
status=clEnv->library->clGetDeviceIDs(platforms[i],CL_DEVICE_TYPE_CPU |
CL_DEVICE_TYPE_GPU,(cl_uint) clEnv->number_devices,devices,&number_devices);
if (status != CL_SUCCESS)
continue;
properties[0]=CL_CONTEXT_PLATFORM;
properties[1]=(cl_context_properties) platforms[i];
properties[2]=0;
clEnv->contexts[i]=openCL_library->clCreateContext(properties,number_devices,
devices,NULL,NULL,&status);
if (status != CL_SUCCESS)
continue;
for (j = 0; j < number_devices; j++,next++)
{
MagickCLDevice
device;
device=AcquireMagickCLDevice();
if (device == (MagickCLDevice) NULL)
break;
device->context=clEnv->contexts[i];
device->deviceID=devices[j];
device->platform_name=GetOpenCLPlatformString(platforms[i],
CL_PLATFORM_NAME);
device->vendor_name=GetOpenCLPlatformString(platforms[i],
CL_PLATFORM_VENDOR);
device->name=GetOpenCLDeviceString(devices[j],CL_DEVICE_NAME);
device->version=GetOpenCLDeviceString(devices[j],CL_DRIVER_VERSION);
openCL_library->clGetDeviceInfo(devices[j],CL_DEVICE_MAX_CLOCK_FREQUENCY,
sizeof(cl_uint),&device->max_clock_frequency,NULL);
openCL_library->clGetDeviceInfo(devices[j],CL_DEVICE_MAX_COMPUTE_UNITS,
sizeof(cl_uint),&device->max_compute_units,NULL);
openCL_library->clGetDeviceInfo(devices[j],CL_DEVICE_TYPE,
sizeof(cl_device_type),&device->type,NULL);
openCL_library->clGetDeviceInfo(devices[j],CL_DEVICE_LOCAL_MEM_SIZE,
sizeof(cl_ulong),&device->local_memory_size,NULL);
clEnv->devices[next]=device;
(void) LogMagickEvent(AccelerateEvent,GetMagickModule(),
"Found device: %s (%s)",device->name,device->platform_name);
}
}
if (next != clEnv->number_devices)
RelinquishMagickCLDevices(clEnv);
platforms=(cl_platform_id *) RelinquishMagickMemory(platforms);
devices=(cl_device_id *) RelinquishMagickMemory(devices);
}
MagickPrivate MagickBooleanType InitializeOpenCL(MagickCLEnv clEnv,
ExceptionInfo *exception)
{
LockSemaphoreInfo(clEnv->lock);
if (clEnv->initialized != MagickFalse)
{
UnlockSemaphoreInfo(clEnv->lock);
return(HasOpenCLDevices(clEnv,exception));
}
if (LoadOpenCLLibrary() != MagickFalse)
{
clEnv->library=openCL_library;
LoadOpenCLDevices(clEnv);
if (clEnv->number_devices > 0)
AutoSelectOpenCLDevices(clEnv);
}
clEnv->initialized=MagickTrue;
UnlockSemaphoreInfo(clEnv->lock);
return(HasOpenCLDevices(clEnv,exception));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% L o a d O p e n C L L i b r a r y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% LoadOpenCLLibrary() load and binds the OpenCL library.
%
% The format of the LoadOpenCLLibrary method is:
%
% MagickBooleanType LoadOpenCLLibrary(void)
%
*/
void *OsLibraryGetFunctionAddress(void *library,const char *functionName)
{
if ((library == (void *) NULL) || (functionName == (const char *) NULL))
return (void *) NULL;
return lt_dlsym(library,functionName);
}
static MagickBooleanType BindOpenCLFunctions()
{
#ifdef MAGICKCORE_HAVE_OPENCL_CL_H
#define BIND(X) openCL_library->X= &X;
#else
(void) memset(openCL_library,0,sizeof(MagickLibrary));
#ifdef MAGICKCORE_WINDOWS_SUPPORT
openCL_library->library=(void *)lt_dlopen("OpenCL.dll");
#else
openCL_library->library=(void *)lt_dlopen("libOpenCL.so");
#endif
#define BIND(X) \
if ((openCL_library->X=(MAGICKpfn_##X)OsLibraryGetFunctionAddress(openCL_library->library,#X)) == NULL) \
return(MagickFalse);
#endif
if (openCL_library->library == (void*) NULL)
return(MagickFalse);
BIND(clGetPlatformIDs);
BIND(clGetPlatformInfo);
BIND(clGetDeviceIDs);
BIND(clGetDeviceInfo);
BIND(clCreateBuffer);
BIND(clReleaseMemObject);
BIND(clRetainMemObject);
BIND(clCreateContext);
BIND(clReleaseContext);
BIND(clCreateCommandQueue);
BIND(clReleaseCommandQueue);
BIND(clFlush);
BIND(clFinish);
BIND(clCreateProgramWithSource);
BIND(clCreateProgramWithBinary);
BIND(clReleaseProgram);
BIND(clBuildProgram);
BIND(clGetProgramBuildInfo);
BIND(clGetProgramInfo);
BIND(clCreateKernel);
BIND(clReleaseKernel);
BIND(clSetKernelArg);
BIND(clGetKernelInfo);
BIND(clEnqueueReadBuffer);
BIND(clEnqueueMapBuffer);
BIND(clEnqueueUnmapMemObject);
BIND(clEnqueueNDRangeKernel);
BIND(clGetEventInfo);
BIND(clWaitForEvents);
BIND(clReleaseEvent);
BIND(clRetainEvent);
BIND(clSetEventCallback);
BIND(clGetEventProfilingInfo);
return(MagickTrue);
}
static MagickBooleanType LoadOpenCLLibrary(void)
{
openCL_library=(MagickLibrary *) AcquireMagickMemory(sizeof(MagickLibrary));
if (openCL_library == (MagickLibrary *) NULL)
return(MagickFalse);
if (BindOpenCLFunctions() == MagickFalse)
{
openCL_library=(MagickLibrary *)RelinquishMagickMemory(openCL_library);
return(MagickFalse);
}
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ O p e n C L T e r m i n u s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% OpenCLTerminus() destroys the OpenCL component.
%
% The format of the OpenCLTerminus method is:
%
% OpenCLTerminus(void)
%
*/
MagickPrivate void OpenCLTerminus()
{
DumpOpenCLProfileData();
if (cache_directory != (char *) NULL)
cache_directory=DestroyString(cache_directory);
if (cache_directory_lock != (SemaphoreInfo *) NULL)
RelinquishSemaphoreInfo(&cache_directory_lock);
if (default_CLEnv != (MagickCLEnv) NULL)
default_CLEnv=RelinquishMagickCLEnv(default_CLEnv);
if (openCL_lock != (SemaphoreInfo *) NULL)
RelinquishSemaphoreInfo(&openCL_lock);
if (openCL_library != (MagickLibrary *) NULL)
{
if (openCL_library->library != (void *) NULL)
(void) lt_dlclose(openCL_library->library);
openCL_library=(MagickLibrary *) RelinquishMagickMemory(openCL_library);
}
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ O p e n C L T h r o w M a g i c k E x c e p t i o n %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% OpenCLThrowMagickException logs an OpenCL exception as determined by the log
% configuration file. If an error occurs, MagickFalse is returned
% otherwise MagickTrue.
%
% The format of the OpenCLThrowMagickException method is:
%
% MagickBooleanType OpenCLThrowMagickException(ExceptionInfo *exception,
% const char *module,const char *function,const size_t line,
% const ExceptionType severity,const char *tag,const char *format,...)
%
% A description of each parameter follows:
%
% o exception: the exception info.
%
% o filename: the source module filename.
%
% o function: the function name.
%
% o line: the line number of the source module.
%
% o severity: Specifies the numeric error category.
%
% o tag: the locale tag.
%
% o format: the output format.
%
*/
MagickPrivate MagickBooleanType OpenCLThrowMagickException(
MagickCLDevice device,ExceptionInfo *exception,const char *module,
const char *function,const size_t line,const ExceptionType severity,
const char *tag,const char *format,...)
{
MagickBooleanType
status;
assert(device != (MagickCLDevice) NULL);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
(void) exception;
status=MagickTrue;
if (severity != 0)
{
if (device->type == CL_DEVICE_TYPE_CPU)
{
/* Workaround for Intel OpenCL CPU runtime bug */
/* Turn off OpenCL when a problem is detected! */
if (strncmp(device->platform_name,"Intel",5) == 0)
default_CLEnv->enabled=MagickFalse;
}
}
#ifdef OPENCLLOG_ENABLED
{
va_list
operands;
va_start(operands,format);
status=ThrowMagickExceptionList(exception,module,function,line,severity,tag,
format,operands);
va_end(operands);
}
#else
magick_unreferenced(module);
magick_unreferenced(function);
magick_unreferenced(line);
magick_unreferenced(tag);
magick_unreferenced(format);
#endif
return(status);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ R e c o r d P r o f i l e D a t a %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RecordProfileData() records profile data.
%
% The format of the RecordProfileData method is:
%
% void RecordProfileData(MagickCLDevice device,ProfiledKernels kernel,
% cl_event event)
%
% A description of each parameter follows:
%
% o device: the OpenCL device that did the operation.
%
% o event: the event that contains the profiling data.
%
*/
MagickPrivate MagickBooleanType RecordProfileData(MagickCLDevice device,
cl_kernel kernel,cl_event event)
{
char
*name;
cl_int
status;
cl_ulong
elapsed,
end,
start;
KernelProfileRecord
profile_record;
size_t
i,
length;
if (device->profile_kernels == MagickFalse)
return(MagickFalse);
status=openCL_library->clWaitForEvents(1,&event);
if (status != CL_SUCCESS)
return(MagickFalse);
status=openCL_library->clGetKernelInfo(kernel,CL_KERNEL_FUNCTION_NAME,0,NULL,
&length);
if (status != CL_SUCCESS)
return(MagickTrue);
name=(char *) AcquireQuantumMemory(length,sizeof(*name));
if (name == (char *) NULL)
return(MagickTrue);
start=end=elapsed=0;
status=openCL_library->clGetKernelInfo(kernel,CL_KERNEL_FUNCTION_NAME,length,
name,(size_t *) NULL);
status|=openCL_library->clGetEventProfilingInfo(event,
CL_PROFILING_COMMAND_START,sizeof(cl_ulong),&start,NULL);
status|=openCL_library->clGetEventProfilingInfo(event,
CL_PROFILING_COMMAND_END,sizeof(cl_ulong),&end,NULL);
if (status != CL_SUCCESS)
{
name=DestroyString(name);
return(MagickTrue);
}
start/=1000; /* usecs */
end/=1000;
elapsed=end-start;
LockSemaphoreInfo(device->lock);
i=0;
profile_record=(KernelProfileRecord) NULL;
if (device->profile_records != (KernelProfileRecord *) NULL)
{
while (device->profile_records[i] != (KernelProfileRecord) NULL)
{
if (LocaleCompare(device->profile_records[i]->kernel_name,name) == 0)
{
profile_record=device->profile_records[i];
break;
}
i++;
}
}
if (profile_record != (KernelProfileRecord) NULL)
name=DestroyString(name);
else
{
profile_record=(KernelProfileRecord) AcquireCriticalMemory(
sizeof(*profile_record));
(void) memset(profile_record,0,sizeof(*profile_record));
profile_record->kernel_name=name;
device->profile_records=(KernelProfileRecord *) ResizeQuantumMemory(
device->profile_records,(i+2),sizeof(*device->profile_records));
if (device->profile_records == (KernelProfileRecord *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
device->profile_records[i]=profile_record;
device->profile_records[i+1]=(KernelProfileRecord) NULL;
}
if ((elapsed < profile_record->min) || (profile_record->count == 0))
profile_record->min=(unsigned long) elapsed;
if (elapsed > profile_record->max)
profile_record->max=(unsigned long) elapsed;
profile_record->total+=(unsigned long) elapsed;
profile_record->count+=1;
UnlockSemaphoreInfo(device->lock);
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ R e l e a s e O p e n C L C o m m a n d Q u e u e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReleaseOpenCLCommandQueue() releases the OpenCL command queue
%
% The format of the ReleaseOpenCLCommandQueue method is:
%
% void ReleaseOpenCLCommandQueue(MagickCLDevice device,
% cl_command_queue queue)
%
% A description of each parameter follows:
%
% o device: the OpenCL device.
%
% o queue: the OpenCL queue to be released.
*/
MagickPrivate void ReleaseOpenCLCommandQueue(MagickCLDevice device,
cl_command_queue queue)
{
if (queue == (cl_command_queue) NULL)
return;
assert(device != (MagickCLDevice) NULL);
LockSemaphoreInfo(device->lock);
if ((device->profile_kernels != MagickFalse) ||
(device->command_queues_index >= MAGICKCORE_OPENCL_COMMAND_QUEUES-1))
{
UnlockSemaphoreInfo(device->lock);
openCL_library->clFinish(queue);
(void) openCL_library->clReleaseCommandQueue(queue);
}
else
{
openCL_library->clFlush(queue);
device->command_queues[++device->command_queues_index]=queue;
UnlockSemaphoreInfo(device->lock);
}
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ R e l e a s e M a g i c k C L D e v i c e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReleaseOpenCLDevice() returns the OpenCL device to the environment
%
% The format of the ReleaseOpenCLDevice method is:
%
% void ReleaseOpenCLDevice(MagickCLDevice device)
%
% A description of each parameter follows:
%
% o device: the OpenCL device to be released.
%
*/
MagickPrivate void ReleaseOpenCLDevice(MagickCLDevice device)
{
assert(device != (MagickCLDevice) NULL);
LockSemaphoreInfo(openCL_lock);
device->requested--;
UnlockSemaphoreInfo(openCL_lock);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ R e l i n q u i s h M a g i c k C L C a c h e I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RelinquishMagickCLCacheInfo() frees memory acquired with
% AcquireMagickCLCacheInfo()
%
% The format of the RelinquishMagickCLCacheInfo method is:
%
% MagickCLCacheInfo RelinquishMagickCLCacheInfo(MagickCLCacheInfo info,
% const MagickBooleanType relinquish_pixels)
%
% A description of each parameter follows:
%
% o info: the OpenCL cache info.
%
% o relinquish_pixels: the pixels will be relinquish when set to true.
%
*/
static void CL_API_CALL DestroyMagickCLCacheInfoAndPixels(
cl_event magick_unused(event),
cl_int magick_unused(event_command_exec_status),void *user_data)
{
MagickCLCacheInfo
info;
Quantum
*pixels;
ssize_t
i;
magick_unreferenced(event);
magick_unreferenced(event_command_exec_status);
info=(MagickCLCacheInfo) user_data;
for (i=(ssize_t)info->event_count-1; i >= 0; i--)
{
cl_int
event_status;
cl_uint
status;
status=openCL_library->clGetEventInfo(info->events[i],
CL_EVENT_COMMAND_EXECUTION_STATUS,sizeof(event_status),&event_status,
NULL);
if ((status == CL_SUCCESS) && (event_status > CL_COMPLETE))
{
openCL_library->clSetEventCallback(info->events[i],CL_COMPLETE,
&DestroyMagickCLCacheInfoAndPixels,info);
return;
}
}
pixels=info->pixels;
RelinquishMagickResource(MemoryResource,info->length);
DestroyMagickCLCacheInfo(info);
(void) RelinquishAlignedMemory(pixels);
}
MagickPrivate MagickCLCacheInfo RelinquishMagickCLCacheInfo(
MagickCLCacheInfo info,const MagickBooleanType relinquish_pixels)
{
if (info == (MagickCLCacheInfo) NULL)
return((MagickCLCacheInfo) NULL);
if (relinquish_pixels != MagickFalse)
DestroyMagickCLCacheInfoAndPixels((cl_event) NULL,0,info);
else
DestroyMagickCLCacheInfo(info);
return((MagickCLCacheInfo) NULL);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e l i n q u i s h M a g i c k C L D e v i c e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RelinquishMagickCLDevice() releases the OpenCL device
%
% The format of the RelinquishMagickCLDevice method is:
%
% MagickCLDevice RelinquishMagickCLDevice(MagickCLDevice device)
%
% A description of each parameter follows:
%
% o device: the OpenCL device to be released.
%
*/
static MagickCLDevice RelinquishMagickCLDevice(MagickCLDevice device)
{
if (device == (MagickCLDevice) NULL)
return((MagickCLDevice) NULL);
device->platform_name=(char *) RelinquishMagickMemory(device->platform_name);
device->vendor_name=(char *) RelinquishMagickMemory(device->vendor_name);
device->name=(char *) RelinquishMagickMemory(device->name);
device->version=(char *) RelinquishMagickMemory(device->version);
if (device->program != (cl_program) NULL)
(void) openCL_library->clReleaseProgram(device->program);
while (device->command_queues_index >= 0)
(void) openCL_library->clReleaseCommandQueue(
device->command_queues[device->command_queues_index--]);
RelinquishSemaphoreInfo(&device->lock);
return((MagickCLDevice) RelinquishMagickMemory(device));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e l i n q u i s h M a g i c k C L E n v %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RelinquishMagickCLEnv() releases the OpenCL environment
%
% The format of the RelinquishMagickCLEnv method is:
%
% MagickCLEnv RelinquishMagickCLEnv(MagickCLEnv device)
%
% A description of each parameter follows:
%
% o clEnv: the OpenCL environment to be released.
%
*/
static MagickCLEnv RelinquishMagickCLEnv(MagickCLEnv clEnv)
{
if (clEnv == (MagickCLEnv) NULL)
return((MagickCLEnv) NULL);
RelinquishSemaphoreInfo(&clEnv->lock);
RelinquishMagickCLDevices(clEnv);
if (clEnv->contexts != (cl_context *) NULL)
{
ssize_t
i;
for (i=0; i < (ssize_t) clEnv->number_contexts; i++)
if (clEnv->contexts[i] != (cl_context) NULL)
(void) openCL_library->clReleaseContext(clEnv->contexts[i]);
clEnv->contexts=(cl_context *) RelinquishMagickMemory(clEnv->contexts);
}
return((MagickCLEnv) RelinquishMagickMemory(clEnv));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ R e q u e s t O p e n C L D e v i c e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% RequestOpenCLDevice() returns one of the enabled OpenCL devices.
%
% The format of the RequestOpenCLDevice method is:
%
% MagickCLDevice RequestOpenCLDevice(MagickCLEnv clEnv)
%
% A description of each parameter follows:
%
% o clEnv: the OpenCL environment.
*/
MagickPrivate MagickCLDevice RequestOpenCLDevice(MagickCLEnv clEnv)
{
MagickCLDevice
device;
double
score,
best_score;
size_t
i;
if (clEnv == (MagickCLEnv) NULL)
return((MagickCLDevice) NULL);
if (clEnv->number_devices == 1)
{
if (clEnv->devices[0]->enabled)
return(clEnv->devices[0]);
else
return((MagickCLDevice) NULL);
}
device=(MagickCLDevice) NULL;
best_score=0.0;
LockSemaphoreInfo(openCL_lock);
for (i = 0; i < clEnv->number_devices; i++)
{
if (clEnv->devices[i]->enabled == MagickFalse)
continue;
score=clEnv->devices[i]->score+(clEnv->devices[i]->score*
clEnv->devices[i]->requested);
if ((device == (MagickCLDevice) NULL) || (score < best_score))
{
device=clEnv->devices[i];
best_score=score;
}
}
if (device != (MagickCLDevice)NULL)
device->requested++;
UnlockSemaphoreInfo(openCL_lock);
return(device);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% S e t O p e n C L D e v i c e E n a b l e d %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% SetOpenCLDeviceEnabled() can be used to enable or disabled the device.
%
% The format of the SetOpenCLDeviceEnabled method is:
%
% void SetOpenCLDeviceEnabled(MagickCLDevice device,
% MagickBooleanType value)
%
% A description of each parameter follows:
%
% o device: the OpenCL device.
%
% o value: determines if the device should be enabled or disabled.
*/
MagickExport void SetOpenCLDeviceEnabled(MagickCLDevice device,
const MagickBooleanType value)
{
if (device == (MagickCLDevice) NULL)
return;
device->enabled=value;
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% S e t O p e n C L K e r n e l P r o f i l e E n a b l e d %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% SetOpenCLKernelProfileEnabled() can be used to enable or disabled the
% kernel profiling of a device.
%
% The format of the SetOpenCLKernelProfileEnabled method is:
%
% void SetOpenCLKernelProfileEnabled(MagickCLDevice device,
% MagickBooleanType value)
%
% A description of each parameter follows:
%
% o device: the OpenCL device.
%
% o value: determines if kernel profiling for the device should be enabled
% or disabled.
*/
MagickExport void SetOpenCLKernelProfileEnabled(MagickCLDevice device,
const MagickBooleanType value)
{
if (device == (MagickCLDevice) NULL)
return;
device->profile_kernels=value;
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% S e t O p e n C L E n a b l e d %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% SetOpenCLEnabled() can be used to enable or disable OpenCL acceleration.
%
% The format of the SetOpenCLEnabled method is:
%
% void SetOpenCLEnabled(MagickBooleanType)
%
% A description of each parameter follows:
%
% o value: specify true to enable OpenCL acceleration
*/
MagickExport MagickBooleanType SetOpenCLEnabled(const MagickBooleanType value)
{
MagickCLEnv
clEnv;
clEnv=GetCurrentOpenCLEnv();
if (clEnv == (MagickCLEnv) NULL)
return(MagickFalse);
clEnv->enabled=value;
return(clEnv->enabled);
}
#else
MagickExport double GetOpenCLDeviceBenchmarkScore(
const MagickCLDevice magick_unused(device))
{
magick_unreferenced(device);
return(0.0);
}
MagickExport MagickBooleanType GetOpenCLDeviceEnabled(
const MagickCLDevice magick_unused(device))
{
magick_unreferenced(device);
return(MagickFalse);
}
MagickExport const char *GetOpenCLDeviceName(
const MagickCLDevice magick_unused(device))
{
magick_unreferenced(device);
return((const char *) NULL);
}
MagickExport MagickCLDevice *GetOpenCLDevices(size_t *length,
ExceptionInfo *magick_unused(exception))
{
magick_unreferenced(exception);
if (length != (size_t *) NULL)
*length=0;
return((MagickCLDevice *) NULL);
}
MagickExport MagickCLDeviceType GetOpenCLDeviceType(
const MagickCLDevice magick_unused(device))
{
magick_unreferenced(device);
return(UndefinedCLDeviceType);
}
MagickExport const KernelProfileRecord *GetOpenCLKernelProfileRecords(
const MagickCLDevice magick_unused(device),size_t *length)
{
magick_unreferenced(device);
if (length != (size_t *) NULL)
*length=0;
return((const KernelProfileRecord *) NULL);
}
MagickExport const char *GetOpenCLDeviceVersion(
const MagickCLDevice magick_unused(device))
{
magick_unreferenced(device);
return((const char *) NULL);
}
MagickExport MagickBooleanType GetOpenCLEnabled(void)
{
return(MagickFalse);
}
MagickExport void SetOpenCLDeviceEnabled(
MagickCLDevice magick_unused(device),
const MagickBooleanType magick_unused(value))
{
magick_unreferenced(device);
magick_unreferenced(value);
}
MagickExport MagickBooleanType SetOpenCLEnabled(
const MagickBooleanType magick_unused(value))
{
magick_unreferenced(value);
return(MagickFalse);
}
MagickExport void SetOpenCLKernelProfileEnabled(
MagickCLDevice magick_unused(device),
const MagickBooleanType magick_unused(value))
{
magick_unreferenced(device);
magick_unreferenced(value);
}
#endif
SemaphoreInfo
Definition semaphore.c:61