this.dimensions support

fuzzie360 · fuzzie360 · commit 04123070ad03 · 2016-02-10T23:12:16.000+08:00
diff --git a/src/backend/fallback.js b/src/backend/fallback.js
@@ -45,7 +45,8 @@
 					x: 0,
 					y: 0,
 					z: 0
-				}
+				},
+				dimensions: threadDim
 			};
 			
 			for (ctx.thread.z=0; ctx.thread.z<threadDim[2]; ctx.thread.z++) {
diff --git a/src/backend/glsl.js b/src/backend/glsl.js
@@ -107,6 +107,9 @@
 			funcStr = funcStr.replace(new RegExp('this.thread.x', 'g'), 'gpu_threadX');
 			funcStr = funcStr.replace(new RegExp('this.thread.y', 'g'), 'gpu_threadY');
 			funcStr = funcStr.replace(new RegExp('this.thread.z', 'g'), 'gpu_threadZ');
+			funcStr = funcStr.replace(new RegExp('this.dimensions.x', 'g'), 'gpu_dimensionsX');
+			funcStr = funcStr.replace(new RegExp('this.dimensions.y', 'g'), 'gpu_dimensionsY');
+			funcStr = funcStr.replace(new RegExp('this.dimensions.z', 'g'), 'gpu_dimensionsZ');
 			funcStr = funcStr.replace(new RegExp('Math.', 'g'), 'gpu_math_');
 			
 			var vertShaderSrc = [
@@ -623,6 +626,12 @@
 	            retArr.push('threadId.y');
 	        } else if (idtNode.name == "gpu_threadZ") {
 	            retArr.push('threadId.z');
+			} else if (idtNode.name == "gpu_dimensionsX") {
+	            retArr.push('uOutputDim.x');
+	        } else if (idtNode.name == "gpu_dimensionsY") {
+	            retArr.push('uOutputDim.y');
+	        } else if (idtNode.name == "gpu_dimensionsZ") {
+	            retArr.push('uOutputDim.z');
 	        } else {
 				retArr.push('user_' + idtNode.name);
 			}
