Commit: ceb03a4d323ebe40e9d3bd3107ea1e7ffb22c02b
Author: Sergey Sharybin
Date: Fri Jul 29 17:28:36 2016 +0200
Branches: master
https://developer.blender.org/rBceb03a4d323ebe40e9d3bd3107ea1e7ffb22c02b
Cycles: Fix wrong projection coordinates for points behind the camera
Points behind camera will be flipped on projection, but that did not
happen.
This solves second issue reported at T48848.
===================================================================
M intern/cycles/blender/blender_object.cpp
===================================================================
diff --git a/intern/cycles/blender/blender_object.cpp
b/intern/cycles/blender/blender_object.cpp
index da9e014..4886735 100644
--- a/intern/cycles/blender/blender_object.cpp
+++ b/intern/cycles/blender/blender_object.cpp
@@ -259,11 +259,14 @@ static bool object_boundbox_clip(Scene *scene,
dot(worldtondc.y, b),
dot(worldtondc.z, b),
dot(worldtondc.w, b));
+ p = float4_to_float3(c / c.w);
+ if(c.z < 0.0f) {
+ p.x = 1.0f - p.x;
+ p.y = 1.0f - p.y;
+ }
if(c.z >= -margin) {
all_behind = false;
}
- c /= c.w;
- p = float4_to_float3(c);
bb_min = min(bb_min, p);
bb_max = max(bb_max, p);
}
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