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Diffstat (limited to '')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/more/functions/readPixels.html | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/more/functions/readPixels.html b/dom/canvas/test/webgl-conf/checkout/conformance/more/functions/readPixels.html new file mode 100644 index 0000000000..61589b0a80 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/more/functions/readPixels.html @@ -0,0 +1,42 @@ +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<!-- +Copyright (c) 2019 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +--> +<link rel="stylesheet" type="text/css" href="../unit.css" /> +<script type="application/javascript" src="../unit.js"></script> +<script type="application/javascript" src="../util.js"></script> +<script type="application/javascript"> + +Tests.startUnit = function () { + var canvas = document.getElementById('gl'); + var gl = wrapGLContext(getGLContext(canvas)); + return [gl]; +} + +Tests.testReadPixels = function(gl) { + var id = new Uint8Array(16 * 16 * 4); + assertOk(function(){gl.readPixels(0,0,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);}); + assertOk(function(){gl.readPixels(0,0,16,16,gl.RGBA, gl.UNSIGNED_BYTE, id);}); + assertOk(function(){gl.readPixels(15,15,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);}); +} +Tests.testReadPixelsRGBA = function(gl) { + gl.clearColor(1, 0, 1, 0); + gl.clear(gl.COLOR_BUFFER_BIT); + var id = new Uint8Array(4); + gl.readPixels(1,2,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id); + assertArrayEquals([255, 0, 255, 0], id); +} + +Tests.endUnit = function(gl) { +} + +</script> +<style>canvas{ position:absolute; }</style> +</head><body> +<canvas id="gl" width="16" height="16"></canvas> +</body></html> |