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d3dxeffect issue

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Hi, I was going to write code for a shader implementation when I saw d3dxeffect. it looks very nice and robust, but it has one drawback: one cannot determine which states get changed by its techniques. since I use state-caching to avoid redudant states, this becomes a problem. either I update the state cache with GetRenderState() calls after using the technique, or I flush it, making some redundant state calls possible. I don''t want to scrap the state cache since redundant state calls may harm the performance. Any suggestions?

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