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Refactor is_extension_available()

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This change splits up is_extension_available() so that the bulk of it
can be reused for fetching other items of variable-length device
information, such as CL_DEVICE_VERSION.
This commit is contained in:
Stuart Brady
2019-07-03 19:32:49 +01:00
committed by Kévin Petit
parent 5dfedb3d43
commit e4cf3190b7
1 changed files with 42 additions and 20 deletions
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62
test_common/harness/kernelHelpers.c
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@@ -881,42 +881,64 @@ int get_max_common_3D_work_group_size( cl_context context, cl_kernel kernel,
return 0;
}
/* Helper to determine if an extension is supported by a device */
int is_extension_available( cl_device_id device, const char *extensionName )
/* Helper to allocate and return a buffer containing device information for the specified device info parameter */
static void *alloc_and_get_device_info( cl_device_id device, cl_device_info param_name, const char *param_description )
{
char *extString;
void *buffer;
size_t size = 0;
int err;
int result = 0;
if(( err = clGetDeviceInfo(device, CL_DEVICE_EXTENSIONS, 0, NULL, &size) ))
if(( err = clGetDeviceInfo(device, param_name, 0, NULL, &size) ))
{
log_error( "Error: failed to determine size of device extensions string at %s:%d (err = %d)\n", __FILE__, __LINE__, err );
return 0;
log_error( "Error: failed to determine size of device %s at %s:%d (err = %d)\n",
param_description, __FILE__, __LINE__, err );
return NULL;
}
if( 0 == size )
return 0;
return NULL;
extString = (char*) malloc( size );
buffer = malloc( size );
if( NULL == buffer )
{
log_error( "Error: unable to allocate %zu byte buffer for device %s at %s:%d (err = %d)\n",
size, param_description, __FILE__, __LINE__, err );
return NULL;
}
if(( err = clGetDeviceInfo(device, param_name, size, buffer, NULL) ))
{
free(buffer);
log_error( "Error: failed to obtain device %s at %s:%d (err = %d)\n",
param_description, __FILE__, __LINE__, err );
return NULL;
}
return buffer;
}
/* Helper to return a newly allocated C string containing the supported extensions list for a device */
static char *alloc_and_get_device_extensions_string( cl_device_id device )
{
return (char *) alloc_and_get_device_info( device, CL_DEVICE_EXTENSIONS, "extensions string" );
}
/* Helper to determine if an extension is supported by a device */
int is_extension_available( cl_device_id device, const char *extensionName )
{
char *extString = alloc_and_get_device_extensions_string( device );
if( NULL == extString )
{
log_error( "Error: unable to allocate %ld byte buffer for extension string at %s:%d (err = %d)\n", size, __FILE__, __LINE__, err );
/* An error message will have already been printed by alloc_and_get_device_info(),
* so we can just return, here. */
return 0;
}
BufferOwningPtr<char> extStringBuf(extString);
if(( err = clGetDeviceInfo(device, CL_DEVICE_EXTENSIONS, size, extString, NULL) ))
{
log_error( "Error: failed to obtain device extensions string at %s:%d (err = %d)\n", __FILE__, __LINE__, err );
return 0;
}
if( strstr( extString, extensionName ) )
result = 1;
return result;
return strstr( extString, extensionName ) != NULL;
}
/* Helper to determine if a device supports an image format */