85 lines
2.7 KiB
HTML
85 lines
2.7 KiB
HTML
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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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<title>WebGL instanceof test.</title>
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<script src="../../../resources/js-test.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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</head>
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<body>
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<canvas id="canvas" width="2" height="2" 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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varying vec2 texCoord;
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void main()
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{
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gl_Position = vPosition;
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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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precision mediump float;
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uniform vec4 color;
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void main()
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{
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gl_FragColor = color;
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}
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</script>
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<script>
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var wtu = WebGLTestUtils;
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description(document.title);
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debug("Tests that instanceof works on WebGL objects.");
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debug("");
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var gl = create3DContext(document.getElementById("canvas"));
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shouldBeTrue('gl instanceof WebGLRenderingContext');
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shouldBeTrue('gl.createBuffer() instanceof WebGLBuffer');
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shouldBeTrue('gl.createFramebuffer() instanceof WebGLFramebuffer');
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shouldBeTrue('gl.createProgram() instanceof WebGLProgram');
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shouldBeTrue('gl.createRenderbuffer() instanceof WebGLRenderbuffer');
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shouldBeTrue('gl.createShader(gl.VERTEX_SHADER) instanceof WebGLShader');
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shouldBeTrue('gl.createTexture() instanceof WebGLTexture');
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var program = wtu.setupProgram(
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gl,
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[wtu.loadShaderFromScript(gl, 'vshader', gl.VERTEX_SHADER),
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wtu.loadShaderFromScript(gl, 'fshader', gl.FRAGMENT_SHADER)],
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['vPosition'], [0]);
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shouldBeTrue('gl.getUniformLocation(program, "color") instanceof WebGLUniformLocation');
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shouldBeTrue('gl.getActiveAttrib(program, 0) instanceof WebGLActiveInfo');
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shouldBeTrue('gl.getActiveUniform(program, 0) instanceof WebGLActiveInfo');
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debug("");
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debug("Tests that those WebGL objects can not be constructed through new operator");
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debug("");
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function shouldThrowWithNew(objectType, objectName)
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{
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try {
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new objectType;
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testFailed('new ' + objectName + ' did not throw');
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} catch (e) {
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testPassed('new ' + objectName + ' threw an error');
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}
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}
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shouldThrowWithNew(window.WebGLRenderingContext, 'WebGLRenderingContext');
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shouldThrowWithNew(window.WebGLActiveInfo, 'WebGLActiveInfo');
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shouldThrowWithNew(window.WebGLBuffer, 'WebGLBuffer');
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shouldThrowWithNew(window.WebGLFramebuffer, 'WebGLFramebuffer');
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shouldThrowWithNew(window.WebGLProgram, 'WebGLProgram');
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shouldThrowWithNew(window.WebGLRenderbuffer, 'WebGLRenderbuffer');
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shouldThrowWithNew(window.WebGLShader, 'WebGLShader');
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shouldThrowWithNew(window.WebGLTexture, 'WebGLTexture');
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shouldThrowWithNew(window.WebGLUniformLocation, 'WebGLUniformLocation');
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shouldThrowWithNew(window.WebGLShaderPrecisionFormat, 'WebGLShaderPrecisionFormat');
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</script>
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</body>
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</html>
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