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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/textures/misc/texture-copying-and-deletion.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/textures/misc/texture-copying-and-deletion.html | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/textures/misc/texture-copying-and-deletion.html b/dom/canvas/test/webgl-conf/checkout/conformance/textures/misc/texture-copying-and-deletion.html new file mode 100644 index 0000000000..1caff3d224 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/textures/misc/texture-copying-and-deletion.html @@ -0,0 +1,91 @@ +<!-- +Copyright (c) 2020 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. +--> + +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<title>WebGL Texture Copying and Deletion Test</title> +<link rel="stylesheet" href="../../../resources/js-test-style.css"/> +<script src="../../../js/js-test-pre.js"></script> +<script src="../../../js/webgl-test-utils.js"></script> +</head> +<body> +<canvas id="example" width="1" height="1" style="width: 40px; height: 40px;"></canvas> +<div id="description"></div> +<div id="console"></div> + +<script> +"use strict"; +description('Checks that texture copying and deletion work correctly together.'); +debug('Regression test for <a href="http://anglebug.com/4267">http://anglebug.com/4267</a>'); +const wtu = WebGLTestUtils; +const canvas = document.getElementById("example"); +canvas.addEventListener('webglcontextlost', contextLost, false); + +let contextWasLost = false; +function contextLost(e) { + e.preventDefault(); + contextWasLost = true; + debug("***context lost -- should not happen***"); +} + +const gl = wtu.create3DContext(canvas); + +const texture = gl.createTexture(); +gl.bindTexture(gl.TEXTURE_2D, texture); +gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 2, 2, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + +const texture2 = gl.createTexture(); +gl.bindTexture(gl.TEXTURE_2D, texture2); +gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 2, 2, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); +gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + +const framebuffer = gl.createFramebuffer(); +gl.bindFramebuffer(gl.FRAMEBUFFER, framebuffer); +gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, 0); +assertMsg(gl.checkFramebufferStatus(gl.FRAMEBUFFER) == gl.FRAMEBUFFER_COMPLETE, + "framebuffer should be FRAMEBUFFER_COMPLETE."); +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after setup"); + +// This test does not call getError, because doing so seems to cause +// an implicit flush which intermittently masks the bug. + +debug(""); +debug("testing copyTexImage2D"); +gl.bindTexture(gl.TEXTURE_2D, texture); +gl.copyTexImage2D(gl.TEXTURE_2D, 1, gl.RGBA, 0, 0, 2, 2, 0); +// Not necessary to do any CopyTexImage2D operations to texture2. + +debug(""); +debug("testing copyTexSubImage2D"); +gl.bindTexture(gl.TEXTURE_2D, texture); +gl.copyTexSubImage2D(gl.TEXTURE_2D, 1, 0, 0, 0, 0, 1, 1); +gl.bindTexture(gl.TEXTURE_2D, texture2); +gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 0, 0, 1, 1); + +debug('deleting framebuffer'); +gl.deleteFramebuffer(framebuffer); +debug('deleting texture'); +gl.deleteTexture(texture); +debug('deleting texture2'); +// On buggy driver, crashes during this deleteTexture call. +gl.deleteTexture(texture2); + +setTimeout(function() { + shouldBe("contextWasLost", "false"); + finishTest(); +}, 1000); +</script> +</body> +</html> |