[Bf-blender-cvs] [d21990c] soc-2016-cycles_denoising: Cycles: Fix two debugging problems in the Denoiser

[Lukas Stockner]

Commit: d21990c3bfa5d04daae7bb91f24a32fad031630b
Author: Lukas Stockner
Date:   Sun Nov 13 17:40:28 2016 +0100
Branches: soc-2016-cycles_denoising
https://developer.blender.org/rBd21990c3bfa5d04daae7bb91f24a32fad031630b

Cycles: Fix two debugging problems in the Denoiser

The mismatching alloc/dealloc would upset ASan, and the undefined elements would cause FPEs in the NLM code (the result was fine due to masking, but the intermediate values weren't).

===================================================================

M	intern/cycles/device/device_cpu.cpp

===================================================================

diff --git a/intern/cycles/device/device_cpu.cpp b/intern/cycles/device/device_cpu.cpp
index 3e421d1..180bc5a 100644
--- a/intern/cycles/device/device_cpu.cpp
+++ b/intern/cycles/device/device_cpu.cpp
@@ -270,6 +270,7 @@ public:
 		int w = align_up(rect.z - rect.x, 4), h = (rect.w - rect.y);
 		int pass_stride = w*h*frames;
 		float *filter_buffers = new float[22*pass_stride];
+		memset(filter_buffers, 0, sizeof(float)*22*pass_stride);
 
 
 		for(int frame = 0; frame < frames; frame++) {
@@ -538,7 +539,7 @@ public:
 #undef WRITE_DEBUG
 #endif
 		}
-		free(storage);
+		delete[] storage;
 	}
 
 	void thread_render(DeviceTask& task)