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https://gitlab.winehq.org/wine/wine-gecko.git
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131 lines
3.9 KiB
HTML
131 lines
3.9 KiB
HTML
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<!--
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Copyright (c) 2009 The Chromium Authors. All rights reserved.
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Use of this source code is governed by a BSD-style license that can be
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found in the LICENSE file.
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-->
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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"http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<title>WebGL "Texture Complete" texture conformance test.</title>
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<link rel="stylesheet" href="../resources/js-test-style.css"/>
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<script src="../resources/js-test-pre.js"></script>
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<script src="resources/webgl-test.js"> </script>
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</head>
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<body>
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<canvas id="example" width="40" height="40" style="width: 40px; height: 40px;"></canvas>
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<canvas id="canvas2d" width="16" height="16" style="width: 40px; height: 40px;"></canvas>
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<div id="description"></div>
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<div id="console"></div>
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<script id="vshader" type="x-shader/x-vertex">
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attribute vec4 vPosition;
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attribute vec2 texCoord0;
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varying vec2 texCoord;
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void main()
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{
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gl_Position = vPosition;
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texCoord = texCoord0;
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}
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</script>
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<script id="fshader" type="x-shader/x-fragment">
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uniform sampler2D tex;
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varying vec2 texCoord;
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void main()
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{
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gl_FragColor = texture2D(tex, texCoord);
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}
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</script>
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<script>
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function init()
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{
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if (window.layoutTestController) {
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layoutTestController.overridePreference("WebKitWebGLEnabled", "1");
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layoutTestController.dumpAsText();
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}
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debug("Checks that a texture that is not -texture-complete- does not draw if"+
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" filtering needs mips");
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debug("");
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var canvas2d = document.getElementById("canvas2d");
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var ctx2d = canvas2d.getContext("2d");
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ctx2d.fillStyle = "rgba(0,192,128,255)";
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ctx2d.fillRect(0, 0, 16, 16);
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gl = initWebGL("example", "vshader", "fshader", [ "vPosition", "texCoord0"],
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[ 0, 0, 0, 1 ], 1);
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gl.disable(gl.DEPTH_TEST);
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gl.disable(gl.BLEND);
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var vertexObject = gl.createBuffer();
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gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
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gl.bufferData(gl.ARRAY_BUFFER, new WebGLFloatArray([ -1,1,0, 1,1,0, -1,-1,0,
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-1,-1,0, 1,1,0, 1,-1,0
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]), gl.STATIC_DRAW);
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gl.enableVertexAttribArray(0);
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gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
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var vertexObject = gl.createBuffer();
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gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
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gl.bufferData(gl.ARRAY_BUFFER, new WebGLFloatArray([ 0,0, 1,0, 0,1,
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0,1, 1,0, 1,1
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]), gl.STATIC_DRAW);
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gl.enableVertexAttribArray(1);
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gl.vertexAttribPointer(1, 2, gl.FLOAT, false, 0, 0);
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var tex = gl.createTexture();
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gl.bindTexture(gl.TEXTURE_2D, tex);
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// 16x16 texture no mips
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gl.texImage2D(gl.TEXTURE_2D,
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0, // level
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canvas2d);
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var loc = gl.getUniformLocation(gl.program, "tex");
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gl.uniform1i(loc, 0);
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checkBuffer(0,0,0,1,
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"texture that is not -texture-complete- when " +
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"TEXTURE_MIN_FILTER not NEAREST or LINEAR should draw with 0,0,0,1");
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function checkBuffer(r, g, b, a, msg) {
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gl.clearColor(1,1,1,1);
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gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
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gl.drawArrays(gl.TRIANGLES, 0, 6);
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gl.flush();
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var buf = gl.readPixels(0, 0, 4, 4, gl.RGBA, gl.UNSIGNED_BYTE);
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for (var i = 0; i < 4 * 4; ++i) {
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var offset = i * 4;
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if (buf[offset + 0] != r ||
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buf[offset + 1] != g ||
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buf[offset + 2] != b ||
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buf[offset + 3] != a) {
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debug('expected: ' + r + ', ' + g + ', ' + b + ', ' + a +
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' was: ' +
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buf[offset + 0] + ', ' +
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buf[offset + 1] + ', ' +
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buf[offset + 2] + ', ' +
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buf[offset + 3]);
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testFailed(msg);
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return;
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}
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}
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testPassed(msg);
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}
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}
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init();
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successfullyParsed = true;
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</script>
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</body>
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<script src="../resources/js-test-post.js"></script>
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<script>
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</script>
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</body>
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</html>
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