updated sample for createContext

Author: mikeseven

examples/vector_add.js

@@ -25,7 +25,7 @@ function VectorAdd() {
     console.info("Platform "+i+": "+cl.getPlatformInfo(platforms[i],cl.PLATFORM_NAME));
   var platform=platforms[0];
 
-  var devices=cl.getDeviceIds(platform, cl.DEVICE_TYPE_ALL);
+  var devices=cl.getDeviceIDs(platform, cl.DEVICE_TYPE_ALL);
   for(var i=0;i<devices.length;i++)
     console.info("  Devices "+i+": "+cl.getDeviceInfo(devices[i],cl.DEVICE_NAME));
 
@@ -34,7 +34,9 @@ function VectorAdd() {
   // var context = cl.createContextFromType(
   //   [cl.CONTEXT_PLATFORM, platform],
   //   cl.DEVICE_TYPE_GPU);
-  var context = cl.createContext(platform, devices);
+  var context = cl.createContext([
+    cl.CONTEXT_PLATFORM, platform],
+    devices);
 
   console.info("created context");
 

src/context.cpp

@@ -15,7 +15,7 @@ namespace opencl {
 //                 cl_int *                /* errcode_ret */) CL_API_SUFFIX__VERSION_1_0;
 NAN_METHOD(CreateContext) {
   Nan::EscapableHandleScope scope;
-  REQ_ARGS(4)
+  REQ_ARGS(2)
   Local<Array> properties;
   Local<Array> devices;
   Local<Function> callback;
@@ -25,7 +25,7 @@ NAN_METHOD(CreateContext) {
   cl_context ctx=NULL;
   int err=CL_SUCCESS;
 
-  // Arg 1 -- properties
+  // Arg 0 -- properties
   if(ARG_EXISTS(0)) {
     REQ_ARRAY_ARG(0, properties);
     for (uint32_t i=0; i < properties->Length(); i++) {
@@ -39,7 +39,7 @@ NAN_METHOD(CreateContext) {
     cl_properties.push_back(0);
   }
 
-  // Arg 2 -- devices
+  // Arg 1 -- devices
   if(ARG_EXISTS(1)) {
     REQ_ARRAY_ARG(1, devices);
     for (uint32_t i=0; i<devices->Length(); i++) {
@@ -49,12 +49,12 @@ NAN_METHOD(CreateContext) {
     }
   }
 
-  // Arg 3 -- Callback
+  // Arg 2 -- Callback
   if(ARG_EXISTS(2)) {
     callback = Local<Function>::Cast(info[2]);
   }
 
-  // Arg 4 -- Error callback
+  // Arg 3 -- Error callback
   if(ARG_EXISTS(3)) {
     err_cb = Local<Function>::Cast(info[3]);
   }