1 files changed, 163 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/deqp/framework/common/tcuLogImage.js b/dom/canvas/test/webgl-conf/checkout/deqp/framework/common/tcuLogImage.js
new file mode 100644
index 0000000000..2dabc9060b
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+++ b/dom/canvas/test/webgl-conf/checkout/deqp/framework/common/tcuLogImage.js
@@ -0,0 +1,163 @@
+/*-------------------------------------------------------------------------
+ * 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.tcuLogImage');
+goog.require('framework.common.tcuSurface');
+goog.require('framework.common.tcuTexture');
+goog.require('framework.delibs.debase.deMath');
+
+goog.scope(function() {
+
+var tcuLogImage = framework.common.tcuLogImage;
+var tcuTexture = framework.common.tcuTexture;
+var tcuSurface = framework.common.tcuSurface;
+var deMath = framework.delibs.debase.deMath;
+
+/** @const */ var MAX_IMAGE_SIZE_2D = 4096;
+/**
+ * @param {tcuTexture.ConstPixelBufferAccess} src
+ */
+tcuLogImage.createImage = function(ctx, src) {
+    var w = src.getWidth();
+    var h = src.getHeight();
+    var pixelSize = src.getFormat().getPixelSize();
+    var imgData = ctx.createImageData(w, h);
+    var index = 0;
+    for (var y = 0; y < h; y++) {
+        for (var x = 0; x < w; x++) {
+            var pixel = src.getPixelInt(x, h - y - 1, 0);
+            for (var i = 0; i < pixelSize; i++) {
+                imgData.data[index] = pixel[i];
+                index = index + 1;
+            }
+            if (pixelSize < 4)
+                imgData.data[index++] = 255;
+        }
+    }
+    return imgData;
+};
+
+/**
+ * @param {tcuTexture.ConstPixelBufferAccess} image
+ * @param {string} info
+ */
+tcuLogImage.logImageWithInfo = function(image, info) {
+    var elem = document.getElementById('console');
+    var span = document.createElement('span');
+    tcuLogImage.logImage.counter = tcuLogImage.logImage.counter || 0;
+    var i = tcuLogImage.logImage.counter++;
+    var width = image.getWidth();
+    var height = image.getHeight();
+
+    elem.appendChild(span);
+    span.innerHTML = info + '<br> <canvas id="logImage' + i + '" width=' + width + ' height=' + height + '></canvas><br>';
+
+    var imageCanvas = document.getElementById('logImage' + i);
+    var ctx = imageCanvas.getContext('2d');
+    var data = tcuLogImage.createImage(ctx, image);
+    ctx.putImageData(data, 0, 0);
+};
+
+
+/**
+ * @param {Array<number>=} scale
+ * @param {Array<number>=} bias
+ * @return {string} HTML string to add to log.
+ */
+tcuLogImage.logScaleAndBias = function(scale, bias) {
+    if (scale && bias)
+        return '<br> Image normalized with formula p * (' + scale + ') + (' + bias + ')';
+    else if (scale)
+        return '<br> Image normalized with formula p * (' + scale + ')';
+    else if (bias)
+        return '<br> Image normalized with formula p + (' + bias + ')';
+    return '';
+};
+
+/**
+ * @param {string} name
+ * @param {string} description
+ * @param {tcuTexture.ConstPixelBufferAccess} image
+ * @param {Array<number>=} scale
+ * @param {Array<number>=} bias
+ */
+tcuLogImage.logImageRGB = function(name, description, image, scale, bias) {
+    var elem = document.getElementById('console');
+    var span = document.createElement('span');
+    var info = name + ' ' + description + '<br> ' + image;
+    if (scale || bias)
+        info += tcuLogImage.logScaleAndBias(scale, bias);
+    tcuLogImage.logImageWithInfo(image, info);
+};
+
+/**
+ * @param {string} name
+ * @param {string} description
+ * @param {tcuTexture.ConstPixelBufferAccess} access
+ * @param {Array<number>=} pixelScale
+ * @param {Array<number>=} pixelBias
+ */
+tcuLogImage.logImage = function(name, description, access, pixelScale, pixelBias) {
+    pixelScale = pixelScale || [1, 1, 1, 1];
+    pixelBias = pixelBias || [0, 0, 0, 0];
+    var format = access.getFormat();
+    var width = access.getWidth();
+    var height = access.getHeight();
+    var depth = access.getDepth();
+    var needScaling = pixelBias[0] != 0 || pixelBias[1] != 0 || pixelBias[2] != 0 || pixelBias[3] != 0 ||
+        pixelScale[0] != 1 || pixelScale[1] != 1 || pixelScale[2] != 1 || pixelScale[3] != 1;
+
+    if (depth == 1 && format.type == tcuTexture.ChannelType.UNORM_INT8 &&
+        width <= MAX_IMAGE_SIZE_2D && height <= MAX_IMAGE_SIZE_2D &&
+        (format.order == tcuTexture.ChannelOrder.RGB || tcuTexture.ChannelOrder.RGBA) &&
+        !needScaling)
+        // Fast-path.
+        tcuLogImage.logImageRGB(name, description, access);
+    else if (depth == 1) {
+        var sampler = new tcuTexture.Sampler(tcuTexture.WrapMode.CLAMP_TO_EDGE, tcuTexture.WrapMode.CLAMP_TO_EDGE, tcuTexture.WrapMode.CLAMP_TO_EDGE,
+            tcuTexture.FilterMode.LINEAR, tcuTexture.FilterMode.NEAREST);
+        var logImageSize = [width, height]; /* TODO: Add scaling */
+        var logImageAccess = new tcuSurface.Surface(width, height).getAccess();
+
+        for (var y = 0; y < logImageAccess.getHeight(); y++) {
+            for (var x = 0; x < logImageAccess.getWidth(); x++) {
+                var yf = (y + 0.5) / logImageAccess.getHeight();
+                var xf = (x + 0.5) / logImageAccess.getWidth();
+                var s = access.sample2D(sampler, sampler.minFilter, xf, yf, 0);
+
+                if (needScaling)
+                    s = deMath.add(deMath.multiply(s, pixelScale), pixelBias);
+
+                logImageAccess.setPixel(s, x, y);
+            }
+        }
+        var info = name + ' ' + description + '<br> ' + access;
+        if (needScaling) {
+            info += tcuLogImage.logScaleAndBias(pixelScale, pixelBias);
+        }
+
+        tcuLogImage.logImageWithInfo(logImageAccess, info);
+    } else {
+        /* TODO: Implement */
+    }
+};
+
+});