binary search can potentially save some iterations. is wrong (loops are allowed), breaking a loop into if-blocked pieces with a Using one static loop avoids overhead if the user is right, but if the user Without DRIVERS_ALLOW_DYNAMIC_BRANCHES, we need to use unrollable loops. error C5013: profile does not support "for" statements and "for" could not This makes phosphor mask resampling faster in some cases. Dynamic looping: Requires an fp30 or newer profile. these are enabled, blurs could look broken. Fine derivatives enable 2x2 fragment block communication, letting us perform Fine derivatives: Unsupported on older ATI cards. error C3004: function "float2 ddy(float2) " not supported in this profile error C3004: function "float2 ddx(float2) " not supported in this profile with curved manually tiled phosphor mask coords. Among other things, derivatives help us fix anisotropic filtering artifacts likely to run on ATI/AMD, due to the Cg compiler's profile limitations. will run on nVidia cards, but only DRIVERS_ALLOW_TEX2DBIAS (if that) is below with "//" before "#define." Disable an option if you get compilation or driver capabilities, so instead you must comment or uncomment the lines require higher profiles like fp30 or fp40. This shader requires a Cg compilation profile >= arbfp1, but a few options The Cg compiler uses different "profiles" with different capabilities. I'm using the user-settings-royale-with-cheese-nvidia.h file from the crt-royale-settings-files folder as a base, so this won't work on Intel or ATI GPUs, but here's my user-settings.h contents: I alter the user-settings.h file in Royale's folder with the line "#define RUNTIME_SHADER_PARAMS_ENABLE" commented out because you get much better performance that way versus altering the shader's parameters in RA's UI. Icing on the cake would be rounded edges of the screen border. Could you please explain how to apply these settings, or post your cgp file?
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