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TAA adjustment to reduce ghosting

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blaqjack
2025-11-18 12:24:09 +01:00
parent 3f5b871666
commit d650ac8a96
3 changed files with 15 additions and 6 deletions
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7
servers/rendering/renderer_rd/effects/taa.cpp
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@@ -58,12 +58,17 @@ void TAA::resolve(RID p_frame, RID p_temp, RID p_depth, RID p_velocity, RID p_pr
RID default_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
float base_variance = 1.1f;
float base_variance_min = 0.75f;
float base_variance_max = 1.00f;
float variance_scale = 1080.0f / p_resolution.height; // 1080p taken as baseline for calculation, as this is most commonly used resolution
TAAResolvePushConstant push_constant;
memset(&push_constant, 0, sizeof(TAAResolvePushConstant));
push_constant.resolution_width = p_resolution.width;
push_constant.resolution_height = p_resolution.height;
push_constant.disocclusion_threshold = 2.5f; // If velocity changes by less than this amount of texels we can retain the accumulation buffer.
push_constant.disocclusion_scale = 0.01f; // Scale the weight of this pixel calculated as (change in velocity - threshold) * scale.
push_constant.variance_dynamic = CLAMP(base_variance * variance_scale, base_variance_min, base_variance_max); // Variance dynamically scales based on resolution
RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin();
RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, pipeline);