EEVEE-Next: Add back option to disable TAA (Viewport Denoising

release/scripts/startup/bl_ui/properties_render.py

@@ -410,6 +410,9 @@ class RENDER_PT_eevee_next_sampling(RenderButtonsPanel, Panel):
         col.prop(props, "taa_render_samples", text="Render")
         col.prop(props, "taa_samples", text="Viewport")
 
+        col = layout.column()
+        col.prop(props, "use_taa_reprojection")
+
 
 class RENDER_PT_eevee_indirect_lighting(RenderButtonsPanel, Panel):
     bl_label = "Indirect Lighting"

source/blender/draw/engines/eevee_next/eevee_film.cc

@@ -345,6 +345,8 @@ void Film::init(const int2 &extent, const rcti *output_rect)
       depth_tx_.clear(float4(0.0f));
     }
   }
+
+  force_disable_reprojection_ = (inst_.scene->eevee.flag & SCE_EEVEE_TAA_REPROJECTION) == 0;
 }
 
 void Film::sync()
@@ -415,6 +417,12 @@ void Film::end_sync()
 {
   data_.use_reprojection = inst_.sampling.interactive_mode();
 
+  /* Just bypass the reprojection and reset the accumulation. */
+  if (force_disable_reprojection_ && inst_.sampling.is_reset()) {
+    data_.use_reprojection = false;
+    data_.use_history = false;
+  }
+
   aovs_info.push_update();
 
   sync_mist();

source/blender/draw/engines/eevee_next/eevee_film.hh

@@ -49,6 +49,8 @@ class Film {
   SwapChain<Texture, 2> weight_tx_;
   /** Extent used by the render buffers when rendering the main views. */
   int2 render_extent_ = int2(-1);
+  /** User setting to disable reprojection. Useful for debugging or have a more precise render. */
+  bool force_disable_reprojection_ = false;
 
   DRWPass *accumulate_ps_ = nullptr;