void printErrorMsg(char *format, ...)
{
va_list args;
va_start(args, format);
printf("ERROR: ");
vprintf(format, args);
va_end(args);
}
PFN_vkDestroyInstance pfn_vkDestroyInstance = NULL;
#define GET_INSTANCE_LEVEL_FUN_ADDR(name) \
pfn_##name=(PFN_##name)pfn_vkGetInstanceProcAddr(g_Instance,#name); \
if(pfn_##name == NULL) \
{ \
printErrorMsg("cannot get" #name "address\n"); \
return false; \
}
/*
without macro
pfn_vkDestroyInstance = (PFN_vkDestroyInstance)pfn_vkGetInstanceProcAddr(g_Instance,"vkDestroyInstance");
if(pfn_vkDestroyInstance==NULL)
{
printErrorMsg("cannot get vkDestroyInstance address\n");
return false;
}
*/
GET_INSTANCE_LEVEL_FUN_ADDR(vkDestroyInstance);
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