105 lines
3.6 KiB
JavaScript
105 lines
3.6 KiB
JavaScript
/*
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Copyright (c) 2019 The Khronos Group Inc.
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Use of this source code is governed by an MIT-style license that can be
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found in the LICENSE.txt file.
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*/
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// This test relies on the surrounding web page defining a variable
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// "contextVersion" which indicates what version of WebGL it's running
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// on -- 1 for WebGL 1.0, 2 for WebGL 2.0, etc.
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"use strict";
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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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function checkGLError(message) {
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var error = gl.getError();
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if (error != gl.NO_ERROR) {
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wtu.error("Error: " + message + " caused " + wtu.glEnumToString(gl, error));
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}
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}
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var gl = wtu.create3DContext("canvas", undefined, contextVersion);
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if (contextVersion === 1) {
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shouldBeTrue('gl instanceof WebGLRenderingContext');
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} else if (contextVersion === 2) {
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shouldBeTrue('gl instanceof WebGL2RenderingContext');
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}
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shouldBeTrue('gl.createBuffer() instanceof WebGLBuffer');
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checkGLError("createBuffer")
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shouldBeTrue('gl.createFramebuffer() instanceof WebGLFramebuffer');
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checkGLError("createFramebuffer")
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shouldBeTrue('gl.createProgram() instanceof WebGLProgram');
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checkGLError("createProgram")
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shouldBeTrue('gl.createRenderbuffer() instanceof WebGLRenderbuffer');
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checkGLError("createRenderbuffer")
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shouldBeTrue('gl.createShader(gl.VERTEX_SHADER) instanceof WebGLShader');
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checkGLError("createShader")
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shouldBeTrue('gl.createTexture() instanceof WebGLTexture');
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checkGLError("createTexture")
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if (contextVersion > 1) {
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shouldBeTrue('gl.createQuery() instanceof WebGLQuery');
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checkGLError("createQuery")
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shouldBeTrue('gl.createSampler() instanceof WebGLSampler');
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checkGLError("createSampler")
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shouldBeTrue('gl.createTransformFeedback() instanceof WebGLTransformFeedback');
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checkGLError("createTransformFeedback")
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shouldBeTrue('gl.createVertexArray() instanceof WebGLVertexArrayObject');
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checkGLError("createVertexArray")
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}
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var program = wtu.setupProgram(gl, ['vshader', 'fshader'], ['vPosition'], [0]);
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shouldBeTrue('gl.getUniformLocation(program, "color") instanceof WebGLUniformLocation');
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checkGLError("getUniformLocation")
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shouldBeTrue('gl.getActiveAttrib(program, 0) instanceof WebGLActiveInfo');
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checkGLError("getActiveAttrib")
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shouldBeTrue('gl.getActiveUniform(program, 0) instanceof WebGLActiveInfo');
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checkGLError("getActiveUniform")
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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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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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if (contextVersion > 1) {
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shouldThrowWithNew(window.WebGLQuery, 'WebGLQuery');
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shouldThrowWithNew(window.WebGLSampler, 'WebGLSampler');
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shouldThrowWithNew(window.WebGLSync, 'WebGLSync');
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shouldThrowWithNew(window.WebGLTransformFeedback, 'WebGLTransformFeedback');
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shouldThrowWithNew(window.WebGLVertexArrayObject, 'WebGLVertexArrayObject');
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}
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var successfullyParsed = true;
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