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Can an opengl pixelshader be applied on a Canvas?

I want to render a bitmap on a canvas, then apply a pixelshader to get, for example, a blur effect. Is this possible?

I don't want to simulate the blur effect by creating a new bitmap and then blur this from java code because i'd like to be able to re-use the shaders in openGL apps too.

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Yes and no, take a look at this article: http://www.xenomachina.com/2011/05/androids-2d-canvas-rendering-pipeline.html You can use an opengl pixelshader but there are other ways to attain the same.

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