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 # Objective - Implement an alternative antialias technique - TAA scales based off of view resolution, not geometry complexity - TAA filters textures, firefly pixels, and other aliasing not covered by MSAA - TAA additionally will reduce noise / increase quality in future stochastic rendering techniques - Closes https://github.com/bevyengine/bevy/issues/3663 ## Solution - Add a temporal jitter component - Add a motion vector prepass - Add a TemporalAntialias component and plugin - Combine existing MSAA and FXAA examples and add TAA ## Followup Work - Prepass motion vector support for skinned meshes - Move uniforms needed for motion vectors into a separate bind group, instead of using different bind group layouts - Reuse previous frame's GPU view buffer for motion vectors, instead of recomputing - Mip biasing for sharper textures, and or unjitter texture UVs https://github.com/bevyengine/bevy/issues/7323 - Compute shader for better performance - Investigate FSR techniques - Historical depth based disocclusion tests, for geometry disocclusion - Historical luminance/hue based tests, for shading disocclusion - Pixel "locks" to reduce blending rate / revamp history confidence mechanism - Orthographic camera support for TemporalJitter - Figure out COD's 1-tap bicubic filter --- ## Changelog - Added MotionVectorPrepass and TemporalJitter - Added TemporalAntialiasPlugin, TemporalAntialiasBundle, and TemporalAntialiasSettings --------- Co-authored-by: IceSentry <c.giguere42@gmail.com> Co-authored-by: IceSentry <IceSentry@users.noreply.github.com> Co-authored-by: Robert Swain <robert.swain@gmail.com> Co-authored-by: Daniel Chia <danstryder@gmail.com> Co-authored-by: robtfm <50659922+robtfm@users.noreply.github.com> Co-authored-by: Brandon Dyer <brandondyer64@gmail.com> Co-authored-by: Edgar Geier <geieredgar@gmail.com> |
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