1 files changed, 79 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/deqp/framework/common/tcuPixelFormat.js b/dom/canvas/test/webgl-conf/checkout/deqp/framework/common/tcuPixelFormat.js
new file mode 100644
index 0000000000..daf3297a93
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/deqp/framework/common/tcuPixelFormat.js
@@ -0,0 +1,79 @@
+/*-------------------------------------------------------------------------
+ * 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.tcuPixelFormat');
+
+goog.scope(function() {
+
+var tcuPixelFormat = framework.common.tcuPixelFormat;
+
+/**
+ * @constructor
+ * @param {number=} r
+ * @param {number=} g
+ * @param {number=} b
+ * @param {number=} a
+ */
+tcuPixelFormat.PixelFormat = function(r, g, b, a) {
+    this.redBits = r || 0;
+    this.greenBits = g || 0;
+    this.blueBits = b || 0;
+    this.alphaBits = a || 0;
+};
+
+/**
+ * @param {WebGL2RenderingContext} context
+ * @return {tcuPixelFormat.PixelFormat}
+ */
+tcuPixelFormat.PixelFormatFromContext = function(context) {
+    var r = /** @type {number} */ (context.getParameter(gl.RED_BITS));
+    var g = /** @type {number} */ (context.getParameter(gl.GREEN_BITS));
+    var b = /** @type {number} */ (context.getParameter(gl.BLUE_BITS));
+    var a = /** @type {number} */ (context.getParameter(gl.ALPHA_BITS));
+
+    return new tcuPixelFormat.PixelFormat(r, g, b, a);
+};
+
+/**
+ * @param {number} r
+ * @param {number} g
+ * @param {number} b
+ * @param {number} a
+ * @return {boolean}
+ */
+tcuPixelFormat.PixelFormat.prototype.equals = function(r, g, b, a) {
+    return this.redBits === r &&
+            this.greenBits === g &&
+            this.blueBits === b &&
+            this.alphaBits === a;
+};
+
+/**
+ * @return {Array<number>}
+ */
+tcuPixelFormat.PixelFormat.prototype.getColorThreshold = function() {
+    return [1 << (8 - this.redBits),
+            1 << (8 - this.greenBits),
+            1 << (8 - this.blueBits),
+            (this.alphaBits > 0) ? (1 << (8 - this.alphaBits)) : 0];
+};
+
+});