diff options
3 files changed, 11 insertions, 0 deletions
diff --git a/source/blender/draw/engines/workbench/workbench_effect_antialiasing.c b/source/blender/draw/engines/workbench/workbench_effect_antialiasing.c index 5c8730ac8f9..d2bd653a656 100644 --- a/source/blender/draw/engines/workbench/workbench_effect_antialiasing.c +++ b/source/blender/draw/engines/workbench/workbench_effect_antialiasing.c @@ -176,6 +176,14 @@ void workbench_antialiasing_engine_init(WORKBENCH_Data *vedata) } } + /* Reset the TAA when we have already draw a sample, but the sample count differs from previous + * time. This removes render artifacts when the viewport anti-aliasing in the user preferences is + * set to a lower value. */ + if (wpd->taa_sample_len != wpd->taa_sample_len_previous) { + wpd->taa_sample = 0; + wpd->taa_sample_len_previous = wpd->taa_sample_len; + } + if (wpd->view_updated) { wpd->taa_sample = 0; wpd->view_updated = false; diff --git a/source/blender/draw/engines/workbench/workbench_engine.c b/source/blender/draw/engines/workbench/workbench_engine.c index a88076d5fd7..f11a4aab668 100644 --- a/source/blender/draw/engines/workbench/workbench_engine.c +++ b/source/blender/draw/engines/workbench/workbench_engine.c @@ -55,6 +55,7 @@ void workbench_engine_init(void *ved) if (!stl->wpd) { stl->wpd = MEM_callocN(sizeof(*stl->wpd), __func__); + stl->wpd->taa_sample_len_previous = -1; stl->wpd->view_updated = true; } diff --git a/source/blender/draw/engines/workbench/workbench_private.h b/source/blender/draw/engines/workbench/workbench_private.h index 2191e09bc24..967bdf9bae0 100644 --- a/source/blender/draw/engines/workbench/workbench_private.h +++ b/source/blender/draw/engines/workbench/workbench_private.h @@ -261,6 +261,8 @@ typedef struct WORKBENCH_PrivateData { /* Temporal Antialiasing */ /** Total number of samples to after which TAA stops accumulating samples. */ int taa_sample_len; + /** Total number of samples of the previous TAA. When changed TAA will be reset. */ + int taa_sample_len_previous; /** Current TAA sample index in [0..taa_sample_len[ range. */ int taa_sample; /** Inverse of taa_sample to divide the accumulation buffer. */ |