fix: Try headless-gl, if throws, do nothing.

robertleeplummerjr · robertleeplummerjr · commit 0b78a3b5ccf1 · 2019-04-24T08:11:07.000-04:00
diff --git a/bin/gpu-browser-core.js b/bin/gpu-browser-core.js
@@ -4,8 +4,8 @@
  *
  * GPU Accelerated JavaScript
  *
- * @version 2.0.0-rc.9
- * @date Wed Apr 24 2019 07:46:43 GMT-0400 (Eastern Daylight Time)
+ * @version 2.0.0-rc.10
+ * @date Wed Apr 24 2019 08:10:18 GMT-0400 (Eastern Daylight Time)
  *
  * @license MIT
  * The MIT License
@@ -3652,15 +3652,17 @@ class HeadlessGLKernel extends WebGLKernel {
 			preserveDrawingBuffer: true
 		});
 		if (!testContext || !testContext.getExtension) return;
-		testExtensions = {
-			STACKGL_resize_drawingbuffer: testContext.getExtension('STACKGL_resize_drawingbuffer'),
-			STACKGL_destroy_context: testContext.getExtension('STACKGL_destroy_context'),
-			OES_texture_float: testContext.getExtension('OES_texture_float'),
-			OES_texture_float_linear: testContext.getExtension('OES_texture_float_linear'),
-			OES_element_index_uint: testContext.getExtension('OES_element_index_uint'),
-			WEBGL_draw_buffers: testContext.getExtension('WEBGL_draw_buffers'),
-		};
-		features = this.getFeatures();
+		try { 
+			testExtensions = {
+				STACKGL_resize_drawingbuffer: testContext.getExtension('STACKGL_resize_drawingbuffer'),
+				STACKGL_destroy_context: testContext.getExtension('STACKGL_destroy_context'),
+				OES_texture_float: testContext.getExtension('OES_texture_float'),
+				OES_texture_float_linear: testContext.getExtension('OES_texture_float_linear'),
+				OES_element_index_uint: testContext.getExtension('OES_element_index_uint'),
+				WEBGL_draw_buffers: testContext.getExtension('WEBGL_draw_buffers'),
+			};
+			features = this.getFeatures();
+		} catch (e) {}
 	}
 
 	static isContextMatch(context) {
@@ -3744,6 +3746,7 @@ class HeadlessGLKernel extends WebGLKernel {
 module.exports = {
 	HeadlessGLKernel
 };
+
 },{"../web-gl/kernel":15,"gl":1}],11:[function(require,module,exports){
 const {
 	utils
diff --git a/bin/gpu-browser.js b/bin/gpu-browser.js
@@ -4,8 +4,8 @@
  *
  * GPU Accelerated JavaScript
  *
- * @version 2.0.0-rc.9
- * @date Wed Apr 24 2019 07:46:43 GMT-0400 (Eastern Daylight Time)
+ * @version 2.0.0-rc.10
+ * @date Wed Apr 24 2019 08:10:18 GMT-0400 (Eastern Daylight Time)
  *
  * @license MIT
  * The MIT License
@@ -8416,15 +8416,17 @@ class HeadlessGLKernel extends WebGLKernel {
 			preserveDrawingBuffer: true
 		});
 		if (!testContext || !testContext.getExtension) return;
-		testExtensions = {
-			STACKGL_resize_drawingbuffer: testContext.getExtension('STACKGL_resize_drawingbuffer'),
-			STACKGL_destroy_context: testContext.getExtension('STACKGL_destroy_context'),
-			OES_texture_float: testContext.getExtension('OES_texture_float'),
-			OES_texture_float_linear: testContext.getExtension('OES_texture_float_linear'),
-			OES_element_index_uint: testContext.getExtension('OES_element_index_uint'),
-			WEBGL_draw_buffers: testContext.getExtension('WEBGL_draw_buffers'),
-		};
-		features = this.getFeatures();
+		try { 
+			testExtensions = {
+				STACKGL_resize_drawingbuffer: testContext.getExtension('STACKGL_resize_drawingbuffer'),
+				STACKGL_destroy_context: testContext.getExtension('STACKGL_destroy_context'),
+				OES_texture_float: testContext.getExtension('OES_texture_float'),
+				OES_texture_float_linear: testContext.getExtension('OES_texture_float_linear'),
+				OES_element_index_uint: testContext.getExtension('OES_element_index_uint'),
+				WEBGL_draw_buffers: testContext.getExtension('WEBGL_draw_buffers'),
+			};
+			features = this.getFeatures();
+		} catch (e) {}
 	}
 
 	static isContextMatch(context) {
@@ -8508,6 +8510,7 @@ class HeadlessGLKernel extends WebGLKernel {
 module.exports = {
 	HeadlessGLKernel
 };
+
 },{"../web-gl/kernel":16,"gl":2}],12:[function(require,module,exports){
 const {
 	utils
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gpu.js",
-  "version": "2.0.0-rc.9",
+  "version": "2.0.0-rc.10",
   "description": "GPU Accelerated JavaScript",
   "engines": {
     "node": ">=10.0.0"
diff --git a/src/backend/headless-gl/kernel.js b/src/backend/headless-gl/kernel.js
@@ -25,15 +25,17 @@ class HeadlessGLKernel extends WebGLKernel {
 			preserveDrawingBuffer: true
 		});
 		if (!testContext || !testContext.getExtension) return;
-		testExtensions = {
-			STACKGL_resize_drawingbuffer: testContext.getExtension('STACKGL_resize_drawingbuffer'),
-			STACKGL_destroy_context: testContext.getExtension('STACKGL_destroy_context'),
-			OES_texture_float: testContext.getExtension('OES_texture_float'),
-			OES_texture_float_linear: testContext.getExtension('OES_texture_float_linear'),
-			OES_element_index_uint: testContext.getExtension('OES_element_index_uint'),
-			WEBGL_draw_buffers: testContext.getExtension('WEBGL_draw_buffers'),
-		};
-		features = this.getFeatures();
+		try { // just in case, edge cases
+			testExtensions = {
+				STACKGL_resize_drawingbuffer: testContext.getExtension('STACKGL_resize_drawingbuffer'),
+				STACKGL_destroy_context: testContext.getExtension('STACKGL_destroy_context'),
+				OES_texture_float: testContext.getExtension('OES_texture_float'),
+				OES_texture_float_linear: testContext.getExtension('OES_texture_float_linear'),
+				OES_element_index_uint: testContext.getExtension('OES_element_index_uint'),
+				WEBGL_draw_buffers: testContext.getExtension('WEBGL_draw_buffers'),
+			};
+			features = this.getFeatures();
+		} catch (e) {}
 	}
 
 	static isContextMatch(context) {

Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,6 @@`
`1`	`1`	`{`
`2`	`2`	`"name": "gpu.js",`
`3`		`- "version": "2.0.0-rc.9",`
	`3`	`+ "version": "2.0.0-rc.10",`
`4`	`4`	`"description": "GPU Accelerated JavaScript",`
`5`	`5`	`"engines": {`
`6`	`6`	`"node": ">=10.0.0"`