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Fix T79970 EEVEE: Camera Animation Breaks Motion Blur (Two Steps or More) 

This was caused by motion blur camera movement tagging the view as
invalid and thus resetting the temporal sampling.

Critical fix for 2.90. Need second look, but quite confident. This function
is only called once when Motion blur is off.

Reviewed by: jbakker

Differential Revision: https://developer.blender.org/D8676
This commit is contained in:
Clément Foucault 2020-08-24 11:24:33 +02:00
parent 40edb84dcf
commit 35ef42d967
Notes: blender-bot 2023-02-14 09:43:37 +01:00 
Referenced by issue #79970, Camera Animation Breaks EEVEE Motion Blur (Two Steps or More)
1 changed files with 5 additions and 2 deletions
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7
source/blender/draw/engines/eevee/eevee_temporal_sampling.c
View File

@ -247,8 +247,11 @@ int EEVEE_temporal_sampling_init(EEVEE_ViewLayerData *UNUSED(sldata), EEVEE_Data
effects->taa_total_sample = first_sample_only ? 1 : scene_eval->eevee.taa_samples;
MAX2(effects->taa_total_sample, 0);
DRW_view_persmat_get(NULL, persmat, false);
view_is_valid = view_is_valid && compare_m4m4(persmat, effects->prev_drw_persmat, FLT_MIN);
/* Motion blur steps could reset the sampling when camera is animated (see T79970). */
if (!DRW_state_is_scene_render()) {
DRW_view_persmat_get(NULL, persmat, false);
view_is_valid = view_is_valid && compare_m4m4(persmat, effects->prev_drw_persmat, FLT_MIN);
}
/* Prevent ghosting from probe data. */
view_is_valid = view_is_valid && (effects->prev_drw_support == DRW_state_draw_support()) &&