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Convolution kernel (blur) with ATI_fragment_shader

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I'm trying to implement gaussian blur pixel shader on ATI Radeon 8500. It'a Pixel shader 1.4 card and only available ps extension is ATI_fragment_shader. I've looked at the glsl examples of blur shaders but ATI_fragment_shader functionality seems too limited to handle it. Any suggestions on how to go about it? Thanks.

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Try mesa3d.org which is a software renderer and supports GL 2.1.
Just drop the opengl32.dll into your programs folder.
And then code your shader with GLSL and make it as complex as you like.

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