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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-base-level-bug.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-base-level-bug.html | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-base-level-bug.html b/dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-base-level-bug.html new file mode 100644 index 0000000000..47f049fd8a --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/textures/misc/tex-base-level-bug.html @@ -0,0 +1,76 @@ +<!-- +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. +--> + +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<title>WebGL2 texture base level bug conformance 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> +<script src="../../../js/tests/tex-image-and-sub-image-utils.js"></script> +</head> +<body> +<canvas id="example" width="2" height="2" style="width: 2px; height: 2px;"></canvas> +<div id="description"></div> +<div id="console"></div> + +<script> +"use strict"; +description(document.title); +var wtu = WebGLTestUtils; +var canvas = document.getElementById("example"); +var gl = wtu.create3DContext("example", undefined, 2); +var tiu = TexImageUtils; + +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); + +function runtest() { + debug(""); + debug("This is a regression test for <a href='https://crbug.com/705865'>Chromium Issue 705865</a>"); + var tex = gl.createTexture(); + var program = tiu.setupTexturedQuad(gl, "RGBA"); + + // Test that filling partial levels is enough for mipmapping. + var width = 2; + var height = 2; + gl.bindTexture(gl.TEXTURE_2D, tex); + wtu.fillTexture(gl, tex, width, height, [255, 0, 0, 255], 2, gl.RGBA, gl.UNSIGNED_BYTE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_BASE_LEVEL, 2); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Texture setup should succeed"); + + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, width, height); + + wtu.clearAndDrawUnitQuad(gl); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "clearAndDrawQuad should succeed"); + wtu.checkCanvas(gl, [255, 0, 0, 255], "should draw with [255, 0, 0, 255]"); + + width = 1; + height = 1; + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "texImage2D should succeed"); + + wtu.clearAndDrawUnitQuad(gl); + wtu.checkCanvas(gl, [255, 0, 0, 255], "should draw with [255, 0, 0, 255]"); + wtu.glErrorShouldBe(gl, gl.NO_ERROR,"checkCanvas should succeed"); + + gl.deleteTexture(tex); + +}; + +runtest(); +var successfullyParsed = true; + +</script> +<script src="../../../js/js-test-post.js"></script> + +</body> +</html> |