Index: conformance/canvas/buffer-preserve-test.html |
=================================================================== |
--- conformance/canvas/buffer-preserve-test.html (revision 0) |
+++ conformance/canvas/buffer-preserve-test.html (revision 0) |
@@ -0,0 +1,86 @@ |
+<!DOCTYPE HTML> |
+<html> |
+<head> |
+<meta charset="utf-8"> |
+<title>WebGL required buffer clear behaviour test</title> |
+<link rel="stylesheet" href="../../resources/js-test-style.css"/> |
+<script src="../../resources/js-test-pre.js"></script> |
+<script src="../resources/webgl-test.js"> </script> |
+<script src="../resources/webgl-test-utils.js"> </script> |
+<style type="text/css"> |
+body { |
+ height: 3000px; |
+} |
+</style> |
+<script type="text/javascript"> |
+ |
+var iter = 0; |
+var gl1; |
+ |
+var wtu = WebGLTestUtils; |
+ |
+function timer() { |
+ if (iter == 0) { |
+ function init(gl) { |
+ gl.clearColor(1, 0, 0, 1); |
+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT | gl.STENCIL_BUFFER_BIT); |
+ |
+ // enable scissor here, before compositing, to make sure it's correctly |
+ // ignored and restored |
+ gl.scissor(0, 10, 10, 10); |
+ gl.enable(gl.SCISSOR_TEST); |
+ } |
+ init(gl1); |
+ } else if (iter == 1) { |
+ // some random hacky stuff to make sure that we get a compositing step |
+ window.scrollBy(0, 10); |
+ window.scrollBy(0, -10); |
+ } else if (iter == 2) { |
+ function clear(gl) { |
+ // scissor was set earlier |
+ gl.clearColor(0, 0, 1, 1); |
+ gl.clear(gl.COLOR_BUFFER_BIT); |
+ |
+ wtu.checkCanvasRect(gl, 0, 10, 10, 10, [0, 0, 255, 255], "cleared corner should be blue, stencil should be preserved"); |
+ wtu.checkCanvasRect(gl, 0, 0, 10, 10, [0, 0, 0, 0], "remainder of buffer should be cleared"); |
+ } |
+ clear(gl1); |
+ |
+ finishTest(); |
+ return; |
+ } |
+ |
+ iter++; |
+ setTimeout(timer, 500); |
+} |
+ |
+function go() { |
+ description("This test ensures WebGL implementations correctly clear the drawing buffer on composite if preserveDrawingBuffer is false."); |
+ |
+ debug(""); |
+ |
+ gl1 = create3DContext(document.getElementById("c")); |
+ if (!gl1) { |
+ finishTest(); |
+ return; |
+ } |
+ |
+ shouldBeTrue("gl1 != null"); |
+ shouldBeTrue('gl1.getContextAttributes().preserveDrawingBuffer == false'); |
+ |
+ setTimeout(timer, 500); |
+} |
+ |
+window.addEventListener("load", go, false); |
+ |
+successfullyParsed = true; |
+</script> |
+</head> |
+<body> |
+<!-- Important to put the canvas at the top so that it's always visible even in the test suite runner. |
+ Otherwise it just doesn't get composited in Firefox. --> |
+<canvas width="20" height="20" style="border: 1px solid blue;" id="c"></canvas> |
+<div id="description"></div> |
+<div id="console"></div> |
+</body> |
+</html> |
Property changes on: conformance/canvas/buffer-preserve-test.html |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |