[Bf-blender-cvs] [5782126] master: Make sure integer calculation uses large precision

Antony Riakiotakis noreply at git.blender.org
Wed Apr 29 18:50:03 CEST 2015


Commit: 5782126d41a9ea7c12896752996fc21fd5be8e7b
Author: Antony Riakiotakis
Date:   Wed Apr 29 18:49:38 2015 +0200
Branches: master
https://developer.blender.org/rB5782126d41a9ea7c12896752996fc21fd5be8e7b

Make sure integer calculation uses large precision

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

M	source/blender/render/intern/source/render_result.c

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

diff --git a/source/blender/render/intern/source/render_result.c b/source/blender/render/intern/source/render_result.c
index c8ca110..2baf445 100644
--- a/source/blender/render/intern/source/render_result.c
+++ b/source/blender/render/intern/source/render_result.c
@@ -486,7 +486,7 @@ static RenderPass *render_layer_add_pass(RenderResult *rr, RenderLayer *rl, int
 	const size_t view_id = BLI_findstringindex(&rr->views, viewname, offsetof(RenderView, name));
 	const char *typestr = name_from_passtype(passtype, -1);
 	RenderPass *rpass = MEM_callocN(sizeof(RenderPass), typestr);
-	size_t rectsize = rr->rectx * rr->recty * channels;
+	size_t rectsize = ((size_t)rr->rectx) * ((size_t)rr->recty) * ((size_t)channels);
 	
 	BLI_addtail(&rl->passes, rpass);
 	rpass->passtype = passtype;




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