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Cannot load webgl texture using "data:image/jpg;base64" style URI. This is forcing me to download texture files explicitly, rather than embed them in my binary buffer.

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skbizport
skbizport
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I am creating a webgl texture using following technique: 

var textureBuffer = new Uint8Array(this.modeldataBuffer, sourceImage.data.offset, sourceImage.data.size);

var image = new Image();
var binary = '';

for (var i = 0, l = textureBuffer.byteLength; i < l; i++) {
     binary += String.fromCharCode(textureBuffer[i]);
}

image.src = "data:image/" + sourceImage.type + ";base64," + window.btoa(binary);

Now use this image to create WebGL texture, which fails and throws following error:

Error: uncaught exception: [Exception... "Failure arg 5 [nsIDOMWebGLRenderingContext.texImage2D]” nsresult: “0×80004005 (NS_ERROR_FAILURE)” location: “JS frame :: loadmodel.js:: line 446″ data: no]


This used to work in FF5, but seems to have been broken in FF6. Is this intentional (i.e. part of cross-domain security fix) or a bug?

This will force me to download individual textures...much more slower than loading it from a single binary file.

I am creating a webgl texture using following technique: <pre><nowiki>var textureBuffer = new Uint8Array(this.modeldataBuffer, sourceImage.data.offset, sourceImage.data.size); var image = new Image(); var binary = ''; for (var i = 0, l = textureBuffer.byteLength; i < l; i++) { binary += String.fromCharCode(textureBuffer[i]); } image.src = "data:image/" + sourceImage.type + ";base64," + window.btoa(binary);</nowiki></pre> ------------------------------------------------------------ Now use this image to create WebGL texture, which fails and throws following error: Error: uncaught exception: [Exception... "Failure arg 5 [nsIDOMWebGLRenderingContext.texImage2D]” nsresult: “0×80004005 (NS_ERROR_FAILURE)” location: “JS frame :: loadmodel.js:: line 446″ data: no] This used to work in FF5, but seems to have been broken in FF6. Is this intentional (i.e. part of cross-domain security fix) or a bug? This will force me to download individual textures...much more slower than loading it from a single binary file.

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knorretje
knorretje
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I think this is part of the cross-domain security fix for web-gl textures. See cross domain texture