1 files changed, 70 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/deqp/framework/common/tcuMatrixUtil.js b/dom/canvas/test/webgl-conf/checkout/deqp/framework/common/tcuMatrixUtil.js
new file mode 100644
index 0000000000..63dcaba871
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/deqp/framework/common/tcuMatrixUtil.js
@@ -0,0 +1,70 @@
+/*-------------------------------------------------------------------------
+ * drawElements Quality Program OpenGL ES Utilities
+ * ------------------------------------------------
+ *
+ * Copyright 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+'use strict';
+goog.provide('framework.common.tcuMatrixUtil');
+goog.require('framework.common.tcuMatrix');
+
+goog.scope(function() {
+
+    var tcuMatrixUtil = framework.common.tcuMatrixUtil;
+    var tcuMatrix = framework.common.tcuMatrix;
+
+    /**
+     * @param {Array<number>} translation
+     * @return {tcuMatrix.Matrix}
+     */
+    tcuMatrixUtil.translationMatrix = function(translation) {
+        var len = translation.length;
+        var res = new tcuMatrix.Matrix(len + 1, len + 1);
+        for (var row = 0; row < len; row++)
+            res.set(row, len, translation[row]);
+        return res;
+    };
+
+    /**
+     * Flatten an array of arrays or matrices
+     * @param {(Array<Array<number>> | Array<tcuMatrix.Matrix>)} a
+     * @return {Array<number>}
+     */
+    tcuMatrixUtil.flatten = function(a) {
+        if (a[0] instanceof Array) {
+            var merged = [];
+            return merged.concat.apply(merged, a);
+        }
+
+        if (a[0] instanceof tcuMatrix.Matrix) {
+            /** @type {tcuMatrix.Matrix} */ var m = a[0];
+            var rows = m.rows;
+            var cols = m.cols;
+            var size = a.length;
+            var result = [];
+            for (var col = 0; col < cols; col++)
+                for (var i = 0; i < size; i++)
+                    result.push(a[i].getColumn(col));
+            return [].concat.apply([], result);
+        }
+
+        if (typeof(a[0]) === 'number')
+            return a;
+
+        throw new Error('Invalid input');
+    };
+
+});