-g or --gpu-threads now support comma separated values, yaaay!

It is exactly what it says, now you can finally put that Frankenrig configuration in one file.
The parameter follows the same design as gpu-engine and gpu-memclock.

cgminer.c

@@ -1029,10 +1029,14 @@ static struct opt_table opt_config_table[] = {
 	OPT_WITH_ARG("--gpu-platform",
 		     set_int_0_to_9999, opt_show_intval, &opt_platform_id,
 		     "Select OpenCL platform ID to use for GPU mining"),
+#ifndef HAVE_ADL
 	OPT_WITH_ARG("--gpu-threads|-g",
 		     set_int_1_to_10, opt_show_intval, &opt_g_threads,
 		     "Number of threads per GPU (1 - 10)"),
-#ifdef HAVE_ADL
+#else
+	OPT_WITH_ARG("--gpu-threads|-g",
+		     set_gpu_threads, NULL, NULL,
+		     "Number of threads per GPU - one value or comma separated list (e.g. 1,2,1)"),
 	OPT_WITH_ARG("--gpu-engine",
 		     set_gpu_engine, NULL, NULL,
 		     "GPU engine (over)clock range in Mhz - one value, range and/or comma separated list (e.g. 850-900,900,750-850)"),

driver-opencl.c

@@ -266,6 +266,35 @@ char *set_gpu_map(char *arg)
 	return NULL;
 }
 
+char *set_gpu_threads(char *arg)
+{
+	int i, val = 1, device = 0;
+	char *nextptr;
+
+	nextptr = strtok(arg, ",");
+	if (nextptr == NULL)
+		return "Invalid parameters for set_gpu_threads";
+	val = atoi(nextptr);
+	if (val < 1 || val > 10)
+		return "Invalid value passed to set_gpu_threads";
+
+	gpus[device++].threads = val;
+
+	while ((nextptr = strtok(NULL, ",")) != NULL) {
+		val = atoi(nextptr);
+		if (val < 1 || val > 10)
+			return "Invalid value passed to set_gpu_threads";
+
+		gpus[device++].threads = val;
+	}
+	if (device == 1) {
+		for (i = device; i < MAX_GPUDEVICES; i++)
+			gpus[i].threads = gpus[0].threads;
+	}
+	
+	return NULL;
+}
+
 char *set_gpu_engine(char *arg)
 {
 	int i, val1 = 0, val2 = 0, device = 0;
@@ -1007,7 +1036,12 @@ static void opencl_detect(bool hotplug)
 		cgpu->deven = DEV_ENABLED;
 		cgpu->drv = &opencl_drv;
 		cgpu->device_id = i;
+#ifndef HAVE_ADL
 		cgpu->threads = opt_g_threads;
+#else
+		if (cgpu->threads < 1)
+			cgpu->threads = 1;
+#endif
 		cgpu->virtual_gpu = i;
 		add_cgpu(cgpu);
 	}

driver-opencl.h

@@ -7,6 +7,7 @@
 extern void print_ndevs(int *ndevs);
 extern void *reinit_gpu(void *userdata);
 extern char *set_gpu_map(char *arg);
+extern char *set_gpu_threads(char *arg);
 extern char *set_gpu_engine(char *arg);
 extern char *set_gpu_fan(char *arg);
 extern char *set_gpu_memclock(char *arg);