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a9825d42c5
This is the actual upgrade. The canonical URL for this test suite is https://cvs.khronos.org/svn/repos/registry/trunk/public/webgl/sdk/tests/
116 lines
4.0 KiB
HTML
116 lines
4.0 KiB
HTML
<!--
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Copyright (c) 2011 The Chromium Authors. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Google Inc. nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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-->
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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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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<script src="resources/webgl-test-utils.js"></script>
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<script>
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var wtu = WebGLTestUtils;
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var gl = null;
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var textureLoc = null;
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var successfullyParsed = false;
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function init()
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{
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if (window.initNonKhronosFramework) {
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window.initNonKhronosFramework(true);
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}
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description('Tests there is no garbage in transparent regions of images uploaded as textures');
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wtu = WebGLTestUtils;
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var canvas = document.getElementById("example");
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gl = wtu.create3DContext(canvas);
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var program = wtu.setupTexturedQuad(gl);
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gl.clearColor(0.5,0.5,0.5,1);
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gl.clearDepth(1);
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textureLoc = gl.getUniformLocation(program, "tex");
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// The input texture has 8 characters; take the leftmost one
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var coeff = 1.0 / 8.0;
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var texCoords = new Float32Array([
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coeff, 1.0,
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0.0, 1.0,
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0.0, 0.0,
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coeff, 1.0,
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0.0, 0.0,
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coeff, 0.0]);
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var vbo = gl.createBuffer();
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gl.bindBuffer(gl.ARRAY_BUFFER, vbo);
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gl.bufferData(gl.ARRAY_BUFFER, texCoords, 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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texture = wtu.loadTexture(gl, "resources/bug-32888-texture.png", runTest);
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}
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// These two declarations need to be global for "shouldBe" to see them
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var buf = null;
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var idx = 0;
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function runTest()
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{
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gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
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gl.enable(gl.BLEND);
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gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
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// Bind the texture to texture unit 0
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gl.bindTexture(gl.TEXTURE_2D, texture);
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// Point the uniform sampler to texture unit 0
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gl.uniform1i(textureLoc, 0);
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// Draw the triangles
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wtu.drawQuad(gl, [0, 0, 0, 255]);
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// Spot check a couple of 2x2 regions in the upper and lower left
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// corners; they should be the rgb values in the texture.
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color = [0, 0, 0];
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debug("Checking lower left corner");
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wtu.checkCanvasRect(gl, 1, gl.canvas.height - 3, 2, 2, color,
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"shouldBe " + color);
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debug("Checking upper left corner");
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wtu.checkCanvasRect(gl, 1, 1, 2, 2, color,
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"shouldBe " + color);
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finishTest();
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}
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</script>
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</head>
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<body onload="init()">
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<canvas id="example" width="32px" height="32px"></canvas>
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<div id="description"></div>
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<div id="console"></div>
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</body>
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</html>
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