1 files changed, 279 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/deqp/framework/common/tcuRGBA.js b/dom/canvas/test/webgl-conf/checkout/deqp/framework/common/tcuRGBA.js
new file mode 100644
index 000000000..0bab841d1
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/deqp/framework/common/tcuRGBA.js
@@ -0,0 +1,279 @@
+/*-------------------------------------------------------------------------
+ * 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.tcuRGBA');
+goog.require('framework.delibs.debase.deMath');
+
+goog.scope(function() {
+
+var tcuRGBA = framework.common.tcuRGBA;
+var deMath = framework.delibs.debase.deMath;
+
+    var DE_ASSERT = function(x) {
+        if (!x)
+            throw new Error('Assert failed');
+    };
+
+    /**
+     * class tcuRGBA.RGBA
+     * @constructor
+     * @struct
+     * @param {goog.NumberArray=} value
+     */
+    tcuRGBA.RGBA = function(value) {
+        /** @type {goog.NumberArray} */ this.m_value = value || null;
+
+    };
+
+    /**
+     * @enum
+     * In JS, these are not shift values, but positions in a typed array
+     */
+    tcuRGBA.RGBA.Shift = {
+        RED: 0,
+        GREEN: 1,
+        BLUE: 2,
+        ALPHA: 3
+    };
+
+    /**
+     * @enum
+     * Mask used as flags
+     * Hopefully will not use typed arrays
+     */
+    tcuRGBA.RGBA.Mask = function() {
+        return {
+            RED: false,
+            GREEN: false,
+            BLUE: false,
+            ALPHA: false
+        };
+    };
+
+    /**
+     * Builds an tcuRGBA.RGBA object from color components
+     * @param {number} r
+     * @param {number} g
+     * @param {number} b
+     * @param {number} a
+     * @return {tcuRGBA.RGBA}
+     */
+    tcuRGBA.newRGBAComponents = function(r, g, b, a) {
+        DE_ASSERT(deMath.deInRange32(r, 0, 255));
+        DE_ASSERT(deMath.deInRange32(g, 0, 255));
+        DE_ASSERT(deMath.deInRange32(b, 0, 255));
+        DE_ASSERT(deMath.deInRange32(a, 0, 255));
+
+        return new tcuRGBA.RGBA([r, g, b, a]);
+    };
+
+    /**
+     * Builds an tcuRGBA.RGBA object from a number array
+     * @param {goog.NumberArray} v
+     * @return {tcuRGBA.RGBA}
+     */
+    tcuRGBA.newRGBAFromArray = function(v) {
+        return new tcuRGBA.RGBA(v.slice(0, 4));
+    };
+
+    /**
+     * @param {number} value
+     * @return {tcuRGBA.RGBA}
+     */
+    tcuRGBA.newRGBAFromValue = function(value) {
+        var rgba = new tcuRGBA.RGBA();
+        var array32 = new Uint32Array([value]);
+        rgba.m_value = (new Uint8Array(array32.buffer));
+        return rgba;
+    };
+
+    /**
+     * @param {Array<number>} v
+     * @return {tcuRGBA.RGBA}
+     */
+    tcuRGBA.newRGBAFromVec = function (v) {
+        var r = deMath.clamp(v[0] * 255.0, 0, 255);
+        var g = deMath.clamp(v[1] * 255.0, 0, 255);
+        var b = deMath.clamp(v[2] * 255.0, 0, 255);
+        var a = deMath.clamp(v[3] * 255.0, 0, 255);
+
+        return new tcuRGBA.RGBA([r, g, b, a]);
+    };
+
+    /**
+     * @param {number} v
+     */
+    tcuRGBA.RGBA.prototype.setRed = function(v) { DE_ASSERT(deMath.deInRange32(v, 0, 255)); this.m_value[tcuRGBA.RGBA.Shift.RED] = v; };
+
+    /**
+     * @param {number} v
+     */
+    tcuRGBA.RGBA.prototype.setGreen = function(v) { DE_ASSERT(deMath.deInRange32(v, 0, 255)); this.m_value[tcuRGBA.RGBA.Shift.GREEN] = v; };
+
+    /**
+     * @param {number} v
+     */
+    tcuRGBA.RGBA.prototype.setBlue = function(v) { DE_ASSERT(deMath.deInRange32(v, 0, 255)); this.m_value[tcuRGBA.RGBA.Shift.BLUE] = v; };
+
+    /**
+     * @param {number} v
+     */
+    tcuRGBA.RGBA.prototype.setAlpha = function(v) { DE_ASSERT(deMath.deInRange32(v, 0, 255)); this.m_value[tcuRGBA.RGBA.Shift.ALPHA] = v; };
+
+    /**
+     * @return {number}
+     */
+    tcuRGBA.RGBA.prototype.getRed = function() { return this.m_value[tcuRGBA.RGBA.Shift.RED]; };
+
+    /**
+     * @return {number}
+     */
+    tcuRGBA.RGBA.prototype.getGreen = function() { return this.m_value[tcuRGBA.RGBA.Shift.GREEN]; };
+
+    /**
+     * @return {number}
+     */
+    tcuRGBA.RGBA.prototype.getBlue = function() { return this.m_value[tcuRGBA.RGBA.Shift.BLUE]; };
+
+    /**
+     * @return {number}
+     */
+    tcuRGBA.RGBA.prototype.getAlpha = function() { return this.m_value[tcuRGBA.RGBA.Shift.ALPHA]; };
+
+    /**
+     * @param {tcuRGBA.RGBA} thr
+     * @return {boolean}
+     */
+    tcuRGBA.RGBA.prototype.isBelowThreshold = function(thr) { return (this.getRed() <= thr.getRed()) && (this.getGreen() <= thr.getGreen()) && (this.getBlue() <= thr.getBlue()) && (this.getAlpha() <= thr.getAlpha()); };
+
+    /**
+     * @param {Uint8Array} bytes
+     * @return {tcuRGBA.RGBA}
+     */
+    tcuRGBA.RGBA.fromBytes = function(bytes) { return tcuRGBA.newRGBAFromArray(bytes); };
+
+    /**
+     * @param {Uint8Array} bytes
+     */
+    tcuRGBA.RGBA.prototype.toBytes = function(bytes) { var result = new Uint8Array(this.m_value); bytes[0] = result[0]; bytes[1] = result[1]; bytes[2] = result[2]; bytes[3] = result[3]; };
+
+    /**
+     * @return {Array<number>}
+     */
+    tcuRGBA.RGBA.prototype.toVec = function() {
+        return [
+            this.getRed() / 255.0,
+            this.getGreen() / 255.0,
+            this.getBlue() / 255.0,
+            this.getAlpha() / 255.0
+        ];
+    };
+
+    /**
+     * @return {Array<number>}
+     */
+    tcuRGBA.RGBA.prototype.toIVec = function() {
+        return [
+            this.getRed(),
+            this.getGreen(),
+            this.getBlue(),
+            this.getAlpha()
+        ];
+    };
+
+    /**
+     * @param {tcuRGBA.RGBA} v
+     * @return {boolean}
+     */
+    tcuRGBA.RGBA.prototype.equals = function(v) {
+        return (
+            this.m_value[0] == v.m_value[0] &&
+            this.m_value[1] == v.m_value[1] &&
+            this.m_value[2] == v.m_value[2] &&
+            this.m_value[3] == v.m_value[3]
+        );
+    };
+
+    /**
+     * @param {tcuRGBA.RGBA} a
+     * @param {tcuRGBA.RGBA} b
+     * @param {tcuRGBA.RGBA} threshold
+     * @return {boolean}
+     */
+    tcuRGBA.compareThreshold = function(a, b, threshold) {
+        if (a.equals(b)) return true; // Quick-accept
+        return tcuRGBA.computeAbsDiff(a, b).isBelowThreshold(threshold);
+    };
+
+    /**
+     * @param {tcuRGBA.RGBA} a
+     * @param {tcuRGBA.RGBA} b
+     * @return {tcuRGBA.RGBA}
+     */
+    tcuRGBA.computeAbsDiff = function(a, b) {
+        return tcuRGBA.newRGBAComponents(
+            Math.abs(a.getRed() - b.getRed()),
+            Math.abs(a.getGreen() - b.getGreen()),
+            Math.abs(a.getBlue() - b.getBlue()),
+            Math.abs(a.getAlpha() - b.getAlpha())
+        );
+    };
+
+    /**
+     * @param {tcuRGBA.RGBA} a
+     * @param {number} b
+     * @return {tcuRGBA.RGBA}
+     */
+    tcuRGBA.multiply = function(a, b) {
+        return tcuRGBA.newRGBAComponents(
+            deMath.clamp(a.getRed() * b, 0, 255),
+            deMath.clamp(a.getGreen() * b, 0, 255),
+            deMath.clamp(a.getBlue() * b, 0, 255),
+            deMath.clamp(a.getAlpha() * b, 0, 255));
+    };
+
+    /**
+     * @param {tcuRGBA.RGBA} a
+     * @param {tcuRGBA.RGBA} b
+     * @return {tcuRGBA.RGBA}
+     */
+    tcuRGBA.max = function(a, b) {
+        return tcuRGBA.newRGBAComponents(
+            Math.max(a.getRed(), b.getRed()),
+            Math.max(a.getGreen(), b.getGreen()),
+            Math.max(a.getBlue(), b.getBlue()),
+            Math.max(a.getAlpha(), b.getAlpha())
+        );
+    };
+
+    tcuRGBA.RGBA.prototype.toString = function() {
+        return '[' + this.m_value[0] + ',' + this.m_value[1] + ',' + this.m_value[2] + ',' + this.m_value[3] + ']';
+    };
+
+    // Color constants
+    tcuRGBA.RGBA.red = tcuRGBA.newRGBAComponents(0xFF, 0, 0, 0xFF);
+    tcuRGBA.RGBA.green = tcuRGBA.newRGBAComponents(0, 0xFF, 0, 0xFF);
+    tcuRGBA.RGBA.blue = tcuRGBA.newRGBAComponents(0, 0, 0xFF, 0xFF);
+    tcuRGBA.RGBA.gray = tcuRGBA.newRGBAComponents(0x80, 0x80, 0x80, 0xFF);
+    tcuRGBA.RGBA.white = tcuRGBA.newRGBAComponents(0xFF, 0xFF, 0xFF, 0xFF);
+    tcuRGBA.RGBA.black = tcuRGBA.newRGBAComponents(0, 0, 0, 0xFF);
+
+});