Use ImageDecoder for createImageBitmap(HTMLImageElement, premultiplyAlpha=false)

third_party/WebKit/LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-image-bitmap-from-image-bitmap-from-blob.html

Index: third_party/WebKit/LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-image-bitmap-from-image-bitmap-from-blob.html
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-image-bitmap-from-image-bitmap.html b/third_party/WebKit/LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-image-bitmap-from-image-bitmap-from-blob.html
similarity index 85%
copy from third_party/WebKit/LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-image-bitmap-from-image-bitmap.html
copy to third_party/WebKit/LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-image-bitmap-from-image-bitmap-from-blob.html
index 75928662546000748fd6bd6f340a3060b25af16e..cbba86a51dc2bab2fdb0f1ab863d46b821b68f60 100644
--- a/third_party/WebKit/LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-image-bitmap-from-image-bitmap.html
+++ b/third_party/WebKit/LayoutTests/fast/canvas/webgl/tex-image-and-sub-image-2d-image-bitmap-from-image-bitmap-from-blob.html
@@ -18,8 +18,10 @@ var pixelType = "UNSIGNED_BYTE";
 var redColor = [255, 0, 0];
 var greenColor = [0, 255, 0];
 var blackColor = [0, 0, 0];
-var halfRed = [128, 0, 0];
-var halfGreen = [0, 128, 0];
+var darkRed = [26, 0, 0];
+var darkGreen = [0, 26, 0];
+
+var blob = null;
 
 function promiseRejected()
 {
@@ -40,18 +42,10 @@ function generateTest()
 
     gl.clearColor(0,0,0,1);
     gl.clearDepth(1);
-    gl.disable(gl.BLEND);
-
-    var imageData = new ImageData(new Uint8ClampedArray(
-                                  [255, 0, 0, 255,
-                                  255, 0, 0, 0,
-                                  0, 255, 0, 255,
-                                  0, 255, 0, 0]),
-                                  2, 2);
 
     var bitmap; // bitmap will be in unpremultiplied format
-    createImageBitmap(imageData, {imageOrientation: "none", premultiplyAlpha: "none"}).then(function(image) {
-        bitmap = image;
+    createImageBitmap(blob, {imageOrientation: "none", premultiplyAlpha: "none"}).then(function(imageBitmap) {
+        bitmap = imageBitmap;
         var p1 = createImageBitmap(bitmap).then(function(imageBitmap) { bitmaps.defaultOption = imageBitmap });
         var p2 = createImageBitmap(bitmap, {imageOrientation: "none", premultiplyAlpha: "premultiply"}).then(function(imageBitmap) { bitmaps.noFlipYPremul = imageBitmap });
         var p3 = createImageBitmap(bitmap, {imageOrientation: "none", premultiplyAlpha: "default"}).then(function(imageBitmap) { bitmaps.noFlipYDefault = imageBitmap });
@@ -63,7 +57,7 @@ function generateTest()
         var p9 = createImageBitmap(bitmap, {colorspaceConversion: "none"}).then(function(imageBitmap) { bitmaps.colorspaceNone = imageBitmap });
         var p10 = createImageBitmap(bitmap, {colorspaceConversion: "default"}).then(function(imageBitmap) { bitmaps.colorspaceDefault = imageBitmap });
         Promise.all([p1, p2, p3, p4, p5, p6, p7, p8, p9, p10]).then(function() {
-            var alphaVal = 0;
+            var alphaVal = 0.5;
             var testPassed = runTest(bitmaps, alphaVal, false);
             if (testPassed)
                 pass();
@@ -84,7 +78,14 @@ function init()
         testRunner.overridePreference("WebKitWebGLEnabled", "1");
         testRunner.dumpAsText();
     }
-    generateTest();
+    var xhr = new XMLHttpRequest();
+    xhr.open("GET", 'resources/red-green-semi-transparent.png');
+    xhr.responseType = 'blob';
+    xhr.send();
+    xhr.onload = function() {
+        blob = xhr.response;
+        generateTest();
+    }
 }
 </script>
 </head>