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87 lines
3.0 KiB
HTML
87 lines
3.0 KiB
HTML
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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 Non-Power of 2 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-utils.js"> </script>
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</head>
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<body>
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<canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></canvas>
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<div id="description"></div>
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<div id="console"></div>
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<script>
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var wtu = WebGLTestUtils;
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var canvas = document.getElementById("example");
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var gl = wtu.create3DContext(canvas);
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var program = wtu.setupTexturedQuad(gl);
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assertMsg(gl.getError() == gl.NO_ERROR, "Should be no errors from setup.");
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var tex = gl.createTexture();
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// Check that an NPOT texture not on level 0 generates INVALID_VALUE
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wtu.fillTexture(gl, tex, 5, 3, [0, 192, 128, 255], 1);
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assertMsg(gl.getError() == gl.INVALID_VALUE,
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"gl.texImage2D with NPOT texture with level > 0 should return INVALID_VALUE");
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// Check that an NPOT texture on level 0 succeeds
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wtu.fillTexture(gl, tex, 5, 3, [0, 192, 128, 255]);
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assertMsg(gl.getError() == gl.NO_ERROR,
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"gl.texImage2D with NPOT texture at level 0 should succeed");
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// Check that generateMipmap fails on NPOT
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gl.generateMipmap(gl.TEXTURE_2D);
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assertMsg(gl.getError() == gl.INVALID_OPERATION,
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"gl.generateMipmap with NPOT texture should return INVALID_OPERATION");
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var loc = gl.getUniformLocation(program, "tex");
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gl.uniform1i(loc, 0);
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// Check that nothing is drawn if filtering is not correct for NPOT
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT);
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wtu.drawQuad(gl);
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wtu.checkCanvas(
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gl, [0, 0, 0, 255],
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"NPOT texture with TEXTURE_WRAP set to REPEAT should draw with 0,0,0,255");
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assertMsg(gl.getError() == gl.NO_ERROR, "Should be no errors from setup.");
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST_MIPMAP_LINEAR);
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wtu.drawQuad(gl);
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wtu.checkCanvas(
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gl, [0, 0, 0, 255],
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"NPOT texture with TEXTURE_MIN_FILTER not NEAREST or LINEAR should draw with 0,0,0,255");
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assertMsg(gl.getError() == gl.NO_ERROR, "Should be no errors from setup.");
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
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wtu.drawQuad(gl);
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wtu.checkCanvas(
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gl, [0, 192, 128, 255],
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"NPOT texture with TEXTURE_MIN_FILTER set to LINEAR should draw.");
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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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