void OpenCL::setup(int clDeviceType_, int deviceNumber) {
ofLog(OF_LOG_VERBOSE, "OpenCL::setup " + ofToString(clDeviceType_));
if(isSetup) {
ofLog(OF_LOG_VERBOSE, "... already setup. returning");
return;
}
if(deviceInfo.size() == 0) getDeviceInfos(clDeviceType_);
deviceNumber = (deviceNumber + getNumDevices()) % getNumDevices();
clDevice = deviceInfo[deviceNumber].clDeviceId;
cl_int err;
clContext = clCreateContext(NULL, 1, &clDevice, NULL, NULL, &err);
if(clContext == NULL) {
ofLog(OF_LOG_ERROR, "Error creating clContext.");
assert(err != CL_INVALID_PLATFORM);
assert(err != CL_INVALID_VALUE);
assert(err != CL_INVALID_DEVICE);
assert(err != CL_INVALID_DEVICE_TYPE);
assert(err != CL_DEVICE_NOT_AVAILABLE);
assert(err != CL_DEVICE_NOT_FOUND);
assert(err != CL_OUT_OF_HOST_MEMORY);
assert(false);
}
createQueue();
}
void OpenCL::setupFromOpenGL(int deviceNumber) {
ofLog(OF_LOG_VERBOSE, "OpenCL::setupFromOpenGL ");
if(isSetup) {
ofLog(OF_LOG_VERBOSE, "... already setup. returning");
return;
}
if(deviceInfo.size() == 0) getDeviceInfos(CL_DEVICE_TYPE_GPU);
deviceNumber = (deviceNumber + getNumDevices()) % getNumDevices();
clDevice = deviceInfo[deviceNumber].clDeviceId;
cl_platform_id clPlatformID = deviceInfo[deviceNumber].clPlatformId;
cl_int err;
#ifdef TARGET_OSX
CGLContextObj kCGLContext = CGLGetCurrentContext();
CGLShareGroupObj kCGLShareGroup = CGLGetShareGroup(kCGLContext);
cl_context_properties properties[] = { CL_CONTEXT_PROPERTY_USE_CGL_SHAREGROUP_APPLE, (cl_context_properties)kCGLShareGroup, 0 };
clContext = clCreateContext(properties, 0, 0, NULL, NULL, &err);
#elif defined _WIN32
//aqcuire shared context on windows.
{
// TODO: we want to be more specific about the platform,
// at the moment only the first successful platform is selected.
cl_context_properties properties[] =
{
CL_GL_CONTEXT_KHR, (cl_context_properties)wglGetCurrentContext(),
CL_WGL_HDC_KHR, (cl_context_properties)wglGetCurrentDC(),
CL_CONTEXT_PLATFORM, (cl_context_properties)clPlatformID,
0
};
ofLogNotice() << "Using OpenCL Platform: 0x" << std::hex << clPlatformID;
ofLogNotice() << "Using OpenCL Device: 0x" << std::hex << clDevice;
clContext = clCreateContext(properties, 1, &clDevice, NULL, NULL, &err);
ofLogNotice() << "Created OpenCL context: " << (err == CL_SUCCESS ? "SUCCESS" : "ERROR");
}
#endif
if(clContext == NULL) {
ofLog(OF_LOG_ERROR, "Error creating clContext.");
assert(err != CL_INVALID_PLATFORM);
assert(err != CL_INVALID_VALUE);
assert(err != CL_INVALID_DEVICE);
assert(err != CL_INVALID_DEVICE_TYPE);
assert(err != CL_DEVICE_NOT_AVAILABLE);
assert(err != CL_DEVICE_NOT_FOUND);
assert(err != CL_OUT_OF_HOST_MEMORY);
assert(false);
}
createQueue();
}
//----------------------------------------------------------------------------//
void SoundDevices::resetFilters()
{
for (int i = 0; i < getNumDevices(); i++) {
vDeviceInfo[i].bSelected = true;
}
filterIndex = 0;
}
//----------------------------------------------------------------------------//
unsigned int SoundDevices::getMaxNumSources(int index) const
{
if (index < getNumDevices())
return vDeviceInfo[index].uiSourceCount;
else
return 0;
}
//----------------------------------------------------------------------------//
char * SoundDevices::getDeviceName(int index) const
{
if (index < getNumDevices())
return (char *)vDeviceInfo[index].strDeviceName.c_str();
else
return nullptr;
}
void SpiShield::init()
{
SPI.begin();
const uint8_t n = getNumDevices();
for (uint8_t i=0; i<n; ++i)
{
getDevice(i)->init();
}
}
//----------------------------------------------------------------------------//
void SoundDevices::getDeviceVersion(int index, int *major, int *minor) const
{
if (index < getNumDevices()) {
if (major)
*major = vDeviceInfo[index].iMajorVersion;
if (minor)
*minor = vDeviceInfo[index].iMinorVersion;
}
return;
}
//----------------------------------------------------------------------------//
int SoundDevices::getNextFilteredDevice()
{
int i;
for (i = filterIndex; i < getNumDevices(); i++) {
if (vDeviceInfo[i].bSelected == true) {
break;
}
}
filterIndex = i + 1;
return i;
}
void SpiShield::update()
{
const uint8_t n = getNumDevices();
for (uint8_t i=0; i<n; ++i)
{
SpiDevice *device = getDevice(i);
if (!device)
continue;
device->update();
}
}
//----------------------------------------------------------------------------//
int SoundDevices::getDeviceIndex(const char* DeviceName) const
{
int index = -1;
for (int i = 0; i < getNumDevices(); i++)
{
if (strcmp(getDeviceName(i), DeviceName) == 0)
{
index = i;
break;
}
}
return index;
}
string OpenCL::getInfoAsString(int deviceNumber) {
deviceNumber = (deviceNumber + getNumDevices()) % getNumDevices();
DeviceInfo &info = deviceInfo[deviceNumber];
return string("\n\n*********\nOpenCL Device information for device #") + ofToString(deviceNumber) +
"\n cl_device_id................" + ofToString(info.clDeviceId) +
"\n vendorName.................." + string((char*)info.vendorName) +
"\n deviceName.................." + string((char*)info.deviceName) +
"\n driverVersion..............." + string((char*)info.driverVersion) +
"\n deviceVersion..............." + string((char*)info.deviceVersion) +
"\n maxComputeUnits............." + ofToString(info.maxComputeUnits, 0) +
"\n maxWorkItemDimensions......." + ofToString(info.maxWorkItemDimensions, 0) +
"\n maxWorkItemSizes[0]........." + ofToString(info.maxWorkItemSizes[0], 0) +
"\n maxWorkGroupSize............" + ofToString(info.maxWorkGroupSize, 0) +
"\n maxClockFrequency..........." + ofToString(info.maxClockFrequency, 0) +
"\n maxMemAllocSize............." + ofToString(info.maxMemAllocSize/1024.0f/1024.0f, 3) + " MB" +
"\n imageSupport................" + (info.imageSupport ? "YES" : "NO") +
"\n maxReadImageArgs............" + ofToString(info.maxReadImageArgs, 0) +
"\n maxWriteImageArgs..........." + ofToString(info.maxWriteImageArgs, 0) +
"\n image2dMaxWidth............." + ofToString(info.image2dMaxWidth, 0) +
"\n image2dMaxHeight............" + ofToString(info.image2dMaxHeight, 0) +
"\n image3dMaxWidth............." + ofToString(info.image3dMaxWidth, 0) +
"\n image3dMaxHeight............" + ofToString(info.image3dMaxHeight, 0) +
"\n image3dMaxDepth............." + ofToString(info.image3dMaxDepth, 0) +
"\n maxSamplers................." + ofToString(info.maxSamplers, 0) +
"\n maxParameterSize............" + ofToString(info.maxParameterSize, 0) +
"\n globalMemCacheSize.........." + ofToString(info.globalMemCacheSize/1024.0f/1024.0f, 3) + " MB" +
"\n globalMemSize..............." + ofToString(info.globalMemSize/1024.0f/1024.0f, 3) + " MB" +
"\n maxConstantBufferSize......." + ofToString(info.maxConstantBufferSize/1024.0f, 3) + " KB"
"\n maxConstantArgs............." + ofToString(info.maxConstantArgs, 0) +
"\n localMemSize................" + ofToString(info.localMemSize/1024.0f, 3) + " KB"
"\n errorCorrectionSupport......" + (info.errorCorrectionSupport ? "YES" : "NO") +
"\n profilingTimerResolution...." + ofToString(info.profilingTimerResolution, 0) +
"\n endianLittle................" + ofToString(info.endianLittle, 0) +
"\n profile....................." + string((char*)info.profile) +
"\n extensions.................." + string((char*)info.extensions) +
"\n*********\n\n";
}
int init_mandelbrot ()
{
int i;
cl_int error;
if (mandelbrot_init)
return 1;
context = get_cl_context();
device = get_cl_device();
FILE *fp;
fp = fopen(CLKERNELDEFS, "r");
if (!fp) {
fprintf(stderr, "Failed to load kernel.\n");
return(1);
}
char *src = (char*) malloc (MAX_SOURCE_SIZE);
size_t srcsize = fread (src, 1, MAX_SOURCE_SIZE, fp);
fclose (fp);
const char *srcptr[]={src};
// get the number of GPUS/DEVICES available
numdevices = getNumDevices();
#if CAN_USE_DOUBLE
// build CL program with a USE_DOUBLE define if we found the correct extension
if (getCorrectDevice("cl_khr_fp64") == CL_SUCCESS) {
error = buildcl (srcptr, &srcsize, &prog[0], "-D USE_DOUBLE -cl-fast-relaxed-math -cl-mad-enable", numdevices);
}
else {
#endif
mandelbrot_cl_float = 1;
error = buildcl (srcptr, &srcsize, &prog[0], "-D USE_FLOAT -cl-fast-relaxed-math -cl-mad-enable", numdevices);
#if CAN_USE_DOUBLE
}
#endif
// create kernel
for (i=0; i<numdevices; i++) {
k_mandelbrot[i] = clCreateKernel(prog[i], "mandelbrot", &error);
}
// get the shared CQ
cq = get_command_queue();
if (!error)
mandelbrot_init = 1;
return error;
}
//----------------------------------------------------------------------------//
bool SoundDevices::isExtensionSupported(int index, char *szExtName) const
{
bool bReturn = false;
if (index < getNumDevices()) {
for (unsigned int i = 0; i < vDeviceInfo[index].pvstrExtensions->size(); i++) {
if (!_stricmp(vDeviceInfo[index].pvstrExtensions->at(i).c_str(), szExtName)) {
bReturn = true;
break;
}
}
}
return bReturn;
}
vector<string> D2xxSerial::getDeviceSerialNumbers() {
vector<string> devices;
FT_STATUS ftStatus;
DWORD numDevs = getNumDevices();
for(int i = 0; i < numDevs; i++) {
DWORD devIndex = i;
char Buffer[16];
ftStatus = FT_ListDevices((PVOID)devIndex,Buffer,FT_LIST_BY_INDEX|FT_OPEN_BY_SERIAL_NUMBER);
if (FT_SUCCESS(ftStatus)) {
// FT_ListDevices OK, serial number is in Buffer
devices.push_back(string(Buffer));
} else {
devices.push_back("error");
// FT_ListDevices failed
printf("Couldn't get serial number of device [%d] - error: %s\n", i, getError(ftStatus));
}
}
return devices;
}
int init_mandelbrotvis ()
{
int i;
cl_int error;
if (mandelbrotvis_init)
return 1;
context = get_cl_context();
device = get_cl_device();
FILE *fp;
fp = fopen(CLVISKERNELDEFS, "r");
if (!fp) {
fprintf(stderr, "Failed to load kernel.\n");
return(1);
}
char *src = (char*) malloc (MAX_SOURCE_SIZE);
size_t srcsize = fread (src, 1, MAX_SOURCE_SIZE, fp);
fclose (fp);
const char *srcptr[]={src};
// get the number of GPUS/DEVICES available
numdevices = getNumDevices();
// build CL program with a USE_DOUBLE define if we found the correct extension
char *precision = " ";
#if CAN_USE_DOUBLE
if (getCorrectDevice("cl_khr_fp64") == CL_SUCCESS) {
precision = "-D USE_DOUBLE";
}
else {
#endif
mandelbrot_cl_float = 1;
precision = "-D USE_FLOAT";
#if CAN_USE_DOUBLE
}
#endif
char options[MAX_BUILD_LINE_LENGTH];
// following options seem to speed things up a little
char *compile_opt = "-cl-fast-relaxed-math -cl-mad-enable";
snprintf(options, MAX_BUILD_LINE_LENGTH,
"%s -D IMAGEWIDTHVIS=%d -D IMAGEHEIGHTVIS=%d %s", precision, viswidth, visheight, compile_opt);
error = buildcl (srcptr, &srcsize, &progvis[0], options, numdevices);
// printf("%s\n\n\n", options);
// create kernel
for (i=0; i<numdevices; i++) {
k_mandelbrotvis[i] = clCreateKernel(progvis[i], "mandelbrot_vis", &error);
}
// get the shared CQ
cq = get_command_queue();
// initialise the jobs array
initialiseJobs();
if (!error)
mandelbrotvis_init = 1;
return error;
}
