Fix T75432: Cycles progressive refine render slow with denoising data

Only perform denoising prefilter for the last sample, not every sample.

1 files changed, 4 insertions, 2 deletions

diff --git a/intern/cycles/render/session.h b/intern/cycles/render/session.h
index 61970d87e9c..f06952e8020 100644
--- a/intern/cycles/render/session.h
+++ b/intern/cycles/render/session.h
@@ -186,7 +186,7 @@ class Session {
 
   void update_status_time(bool show_pause = false, bool show_done = false);
 
-  void render(bool with_denoising);
+  void render(bool use_denoise);
   void copy_to_display_buffer(int sample);
 
   void reset_(BufferParams &params, int samples);
@@ -199,9 +199,11 @@ class Session {
   bool draw_gpu(BufferParams &params, DeviceDrawParams &draw_params);
   void reset_gpu(BufferParams &params, int samples);
 
+  bool render_need_denoise(bool &delayed);
+
   bool acquire_tile(RenderTile &tile, Device *tile_device, uint tile_types);
   void update_tile_sample(RenderTile &tile);
-  void release_tile(RenderTile &tile);
+  void release_tile(RenderTile &tile, const bool need_denoise);
 
   void map_neighbor_tiles(RenderTile *tiles, Device *tile_device);
   void unmap_neighbor_tiles(RenderTile *tiles, Device *tile_device);