Hi, Is it possible to turn off the optimizations in the backend, while still leaving optimizations on in the glsl-compiler?
I'm currently exploring different execution-orders of optimization-passes in the glsl-compiler. While I've found some room for improvement, my guess is a lot of the differences from different ordering are getting covered up by the backend doing a good job. I'm hoping to get an automated setup that picks an order, compiles and installs mesa , runs shader-db, dumps the results along with the ordering, then repeats. If I can get a shader-db result unaffected by the back-end doing all it's optimizations it will be a lot easier to quantify the possible gains from this work, and to know that I'm not causing regressions for other drivers. regards, Thomas
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