From ab1a2ad490d4770b0752bca17ff2657ea24cae64 Mon Sep 17 00:00:00 2001
From: Abhishek Soni <abhisheksoni2720@gmail.com>
Date: Sat, 1 Jul 2017 03:33:07 +0530
Subject: [PATCH 1/4] CPU fallback for createKernels

---
 src/gpu.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/gpu.js b/src/gpu.js
index e938fd78..3bf60088 100644
--- a/src/gpu.js
+++ b/src/gpu.js
@@ -130,6 +130,13 @@ module.exports = class GPU {
 	/// 	{Function} callable kernel function
 	///
 	createKernels() {
+		if (!utils.isWebGlDrawBuffersSupported) {
+			this._runner = new CPURunner({
+				canvas: this._canvas, 
+				webGl: this._webGl
+			});
+		}
+
 		let fn;
 		let settings;
 		if (typeof arguments[arguments.length - 2] === 'function') {

From deb5a70b469ceb576381e0da7f68f3179cf4f53e Mon Sep 17 00:00:00 2001
From: Abhishek Soni <abhisheksoni2720@gmail.com>
Date: Sat, 1 Jul 2017 03:33:41 +0530
Subject: [PATCH 2/4] Fix tests for create-kernels.js

---
 test/src/features/create-kernels.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/src/features/create-kernels.js b/test/src/features/create-kernels.js
index 1b4aded2..d86aae1a 100644
--- a/test/src/features/create-kernels.js
+++ b/test/src/features/create-kernels.js
@@ -31,7 +31,7 @@ function createArrayKernels(mode, dimensions, canvas) {
 function createKernel(mode, dimensions, canvas) {
   var gpu = new GPU({mode: mode, canvas: canvas});
   return gpu.createKernel(function (a) {
-    return a[this.thread.x][this.thread.y];
+    return a[this.thread.x];
   }).setDimensions(dimensions);
 }
 

From 4f342db7bf9fddb7b3a94b531b57159c52aeb2ee Mon Sep 17 00:00:00 2001
From: Abhishek Soni <abhisheksoni2720@gmail.com>
Date: Sat, 1 Jul 2017 09:37:59 +0530
Subject: [PATCH 3/4] move fallback check after settings/fn check

---
 src/gpu.js | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/src/gpu.js b/src/gpu.js
index 3bf60088..deee9ba1 100644
--- a/src/gpu.js
+++ b/src/gpu.js
@@ -130,13 +130,6 @@ module.exports = class GPU {
 	/// 	{Function} callable kernel function
 	///
 	createKernels() {
-		if (!utils.isWebGlDrawBuffersSupported) {
-			this._runner = new CPURunner({
-				canvas: this._canvas, 
-				webGl: this._webGl
-			});
-		}
-
 		let fn;
 		let settings;
 		if (typeof arguments[arguments.length - 2] === 'function') {
@@ -145,6 +138,14 @@ module.exports = class GPU {
 		} else {
 			fn = arguments[arguments.length - 1];
 		}
+		
+		if (!utils.isWebGlDrawBuffersSupported) {
+			this._runner = new CPURunner({
+				canvas: this._canvas, 
+				webGl: this._webGl
+			});
+		}
+		
 		const kernel = this.createKernel(fn, settings);
 		if (Array.isArray(arguments[0])) {
 			const functions = arguments[0];

From 5cd438707ddb7e6876fcbd406063e499efeeea2b Mon Sep 17 00:00:00 2001
From: Abhishek Soni <abhisheksoni2720@gmail.com>
Date: Sat, 1 Jul 2017 09:41:42 +0530
Subject: [PATCH 4/4] pass settings to the runner instance

---
 src/gpu.js | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/gpu.js b/src/gpu.js
index deee9ba1..b17cbefa 100644
--- a/src/gpu.js
+++ b/src/gpu.js
@@ -140,10 +140,7 @@ module.exports = class GPU {
 		}
 		
 		if (!utils.isWebGlDrawBuffersSupported) {
-			this._runner = new CPURunner({
-				canvas: this._canvas, 
-				webGl: this._webGl
-			});
+			this._runner = new CPURunner(settings);
 		}
 		
 		const kernel = this.createKernel(fn, settings);