Yuwen Wu atyuwen
atyuwen
/ opt_fsr.fxh
Last active
April 4, 2025 13:36
An optimized AMD FSR implementation for Mobiles
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| //============================================================================================================================== | |
| // An optimized AMD FSR 1.0 implementation for Mobiles | |
| // EASU and RCAS are combined in a single pass. | |
| // Based on https://github.com/GPUOpen-Effects/FidelityFX-FSR/blob/master/ffx-fsr/ffx_fsr1.h | |
| // Details can be found: https://atyuwen.github.io/posts/optimizing-fsr/ | |
| // Distributed under the MIT License. Copyright (c) 2021 atyuwen. | |
| // -- FsrEasuSampleH should be implemented by calling shader, like following: | |
| // AH3 FsrEasuSampleH(AF2 p) { return MyTex.SampleLevel(LinearSampler, p, 0).xyz; } | |
| //============================================================================================================================== | |
| void FsrMobile( |