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Refactor the graphics sanity test to support multiple snapshots. (bug 1173117 part 1, r=mattwoodrow)

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This commit is contained in:
David Anderson
2015-06-18 13:42:35 -07:00
parent a60c66d1f2
commit 3be6410740
1 changed files with 33 additions and 16 deletions
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49
toolkit/components/gfx/SanityTest.js
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@@ -46,21 +46,14 @@ function reportResult(val) {
Services.prefs.savePrefFile(null);
}
function takeWindowSnapshot(win) {
function takeWindowSnapshot(win, ctx) {
// Take a snapshot of the window contents, and then close the window
var canvas = win.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
canvas.setAttribute("width", PAGE_WIDTH);
canvas.setAttribute("height", PAGE_HEIGHT);
//
// TODO: drawWindow reads back from the gpu's backbuffer, which won't catch issues with presenting
// the front buffer via the window manager. Ideally we'd use an OS level API for reading back
// from the desktop itself to get a more accurate test.
var ctx = canvas.getContext("2d");
var flags = ctx.DRAWWINDOW_DRAW_CARET | ctx.DRAWWINDOW_DRAW_VIEW | ctx.DRAWWINDOW_USE_WIDGET_LAYERS;
ctx.drawWindow(win.ownerGlobal, 0, 0, PAGE_WIDTH, PAGE_HEIGHT, "rgb(255,255,255)", flags);
win.ownerGlobal.close();
return ctx;
}
// Verify that all the 4 coloured squares of the video
@@ -82,18 +75,42 @@ function verifyVideoRendering(ctx) {
testPixel(ctx, 50, 114, 255, 0, 0, 255, 64);
}
function testGfxFeatures(event) {
var win = event.target;
var canvas = takeWindowSnapshot(win);
function testCompositor(win, ctx) {
takeWindowSnapshot(win, ctx);
if (!verifyVideoRendering(canvas)) {
if (!verifyVideoRendering(ctx)) {
reportResult(TEST_FAILED_VIDEO);
Preferences.set(DISABLE_VIDEO_PREF, true);
} else {
reportResult(TEST_PASSED);
return false;
}
reportResult(TEST_PASSED);
return true;
}
let listener = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver]),
win: null,
canvas: null,
scheduleTest: function(win) {
this.win = win;
this.win.onload = this.onWindowLoaded.bind(this);
},
onWindowLoaded: function() {
this.canvas = this.win.document.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
this.canvas.setAttribute("width", PAGE_WIDTH);
this.canvas.setAttribute("height", PAGE_HEIGHT);
this.ctx = this.canvas.getContext("2d");
testCompositor(this.win, this.ctx);
this.win.ownerGlobal.close();
},
};
function SanityTest() {}
SanityTest.prototype = {
classID: Components.ID("{f3a8ca4d-4c83-456b-aee2-6a2cbf11e9bd}"),
@@ -143,7 +160,7 @@ SanityTest.prototype = {
"Test Page",
"width=" + PAGE_WIDTH + ",height=" + PAGE_HEIGHT + ",chrome,titlebar=0,scrollbars=0",
null);
sanityTest.onload = testGfxFeatures;
listener.scheduleTest(sanityTest);
},
};