* Add Post Processing Effects
* fix events and shader issues
* fix gtk upscale slider value
* fix bgra games
* don't swap swizzle if already swapped
* restore opengl texture state after effects run
* addressed review
* use single pipeline for smaa and fsr
* call finish on all pipelines
* addressed review
* attempt fix file case
* attempt fixing file case
* fix filter level tick frequency
* adjust filter slider margins
* replace fxaa shaders with original shader
* addressed review
