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createContext.js
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createContext.js
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define([
'Core/clone',
'Core/defaultValue',
'Renderer/Context',
'Specs/createCanvas',
'Specs/createFrameState',
'Specs/getWebGLStub'
], function(
clone,
defaultValue,
Context,
createCanvas,
createFrameState,
getWebGLStub) {
'use strict';
function createContext(options, canvasWidth, canvasHeight) {
// clone options so we can change properties
options = clone(defaultValue(options, {}));
options.webgl = clone(defaultValue(options.webgl, {}));
options.webgl.antialias = defaultValue(options.webgl.antialias, false);
if (!!window.webglStub) {
options.getWebGLStub = getWebGLStub;
}
var canvas = createCanvas(canvasWidth, canvasHeight);
var context = new Context(canvas, options);
if (!!window.webglValidation) {
context.validateShaderProgram = true;
context.validateFramebuffer = true;
context.logShaderCompilation = true;
context.throwOnWebGLError = true;
}
var us = context.uniformState;
us.update(createFrameState(context));
// Add function for test
context.destroyForSpecs = function() {
document.body.removeChild(context.canvas);
return context.destroy();
};
return context;
}
return createContext;
});