Cycles: avoid reallocating tile denoising memory many times during render.

1 files changed, 4 insertions, 4 deletions

diff --git a/intern/cycles/device/device_cpu.cpp b/intern/cycles/device/device_cpu.cpp
index 0f4001ab1a6..ce02a5a932e 100644
--- a/intern/cycles/device/device_cpu.cpp
+++ b/intern/cycles/device/device_cpu.cpp
@@ -712,12 +712,10 @@ public:
 		}
 	}
 
-	void denoise(DeviceTask &task, RenderTile &tile)
+	void denoise(DeviceTask &task, DenoisingTask& denoising, RenderTile &tile)
 	{
 		tile.sample = tile.start_sample + tile.num_samples;
 
-		DenoisingTask denoising(this);
-
 		denoising.functions.construct_transform = function_bind(&CPUDevice::denoising_construct_transform, this, &denoising);
 		denoising.functions.reconstruct = function_bind(&CPUDevice::denoising_reconstruct, this, _1, _2, _3, &denoising);
 		denoising.functions.divide_shadow = function_bind(&CPUDevice::denoising_divide_shadow, this, _1, _2, _3, _4, _5, &denoising);
@@ -769,6 +767,8 @@ public:
 		}
 
 		RenderTile tile;
+		DenoisingTask denoising(this);
+
 		while(task.acquire_tile(this, tile)) {
 			if(tile.task == RenderTile::PATH_TRACE) {
 				if(use_split_kernel) {
@@ -780,7 +780,7 @@ public:
 				}
 			}
 			else if(tile.task == RenderTile::DENOISE) {
-				denoise(task, tile);
+				denoise(task, denoising, tile);
 			}
 
 			task.release_tile(tile);