Commit: 0f652501c7b5d0c5d73bf22b9aa56f6a5a645a4b
Author: Sergey Sharybin
Date: Thu Feb 19 18:15:07 2015 +0500
Branches: master
https://developer.blender.org/rB0f652501c7b5d0c5d73bf22b9aa56f6a5a645a4b
Cycles: Reduce memory used by background light update
Simple change: just get rid of intermediate data a bit earlier, before
final pixels array is being allocated. This gives around 30% of memory
save during light update (this is about 60meg in the frank sheep file
i'm using here).
This isn't really visible by artists a lot, because actual spike happens
on BVH construction. But it doesn't mean we shouldn't be accurate with
memory usage in other areas.
===================================================================
M intern/cycles/render/light.cpp
===================================================================
diff --git a/intern/cycles/render/light.cpp b/intern/cycles/render/light.cpp
index ca6853e..284012e 100644
--- a/intern/cycles/render/light.cpp
+++ b/intern/cycles/render/light.cpp
@@ -82,6 +82,8 @@ static void shade_background_pixels(Device *device,
DeviceScene *dscene, int res
device->mem_free(d_input);
device->mem_free(d_output);
+ d_input.clear();
+
float4 *d_output_data =
reinterpret_cast<float4*>(d_output.data_pointer);
pixels.resize(width*height);
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