1 files changed, 55 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/gluPixelTransfer.js b/dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/gluPixelTransfer.js
new file mode 100644
index 0000000000..04b81a2a1a
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/deqp/framework/opengl/gluPixelTransfer.js
@@ -0,0 +1,55 @@
+/*-------------------------------------------------------------------------
+ * 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.opengl.gluPixelTransfer');
+goog.require('framework.common.tcuTexture');
+goog.require('framework.delibs.debase.deMath');
+goog.require('framework.opengl.gluTextureUtil');
+
+goog.scope(function() {
+
+var gluPixelTransfer = framework.opengl.gluPixelTransfer;
+var tcuTexture = framework.common.tcuTexture;
+var deMath = framework.delibs.debase.deMath;
+var gluTextureUtil = framework.opengl.gluTextureUtil;
+
+gluPixelTransfer.getTransferAlignment = function(format) {
+    var pixelSize = format.getPixelSize();
+    if (deMath.deIsPowerOfTwo32(pixelSize))
+        return Math.min(pixelSize, 8);
+    else
+        return 1;
+};
+
+gluPixelTransfer.readPixels = function(ctx, x, y, format, dst) {
+    var width = dst.getWidth();
+    var height = dst.getHeight();
+    var arrayType = tcuTexture.getTypedArray(format.type);
+    var transferFormat = gluTextureUtil.getTransferFormat(format);
+    ctx.pixelStorei(ctx.PACK_ALIGNMENT, gluPixelTransfer.getTransferAlignment(format));
+    var resultPixel = dst.getAccess().getDataPtr();
+    resultPixel = new arrayType(dst.getAccess().getBuffer());
+    ctx.readPixels(x, y, width, height, transferFormat.format, transferFormat.dataType, resultPixel);
+};
+
+/* TODO: implement other functions in C++ file */
+
+});