[Bf-blender-cvs] [814fa06] master: Cycles: Optimize spherical stereo position when no spherical stereo is used
Sergey Sharybin
noreply at git.blender.org
Thu Mar 10 18:05:42 CET 2016
Commit: 814fa068514a6e9f3e84553310f1d0b0b7918435
Author: Sergey Sharybin
Date: Thu Mar 10 22:03:03 2016 +0500
Branches: master
https://developer.blender.org/rB814fa068514a6e9f3e84553310f1d0b0b7918435
Cycles: Optimize spherical stereo position when no spherical stereo is used
===================================================================
M intern/cycles/kernel/kernel_projection.h
===================================================================
diff --git a/intern/cycles/kernel/kernel_projection.h b/intern/cycles/kernel/kernel_projection.h
index fa06b93..aedcbdd 100644
--- a/intern/cycles/kernel/kernel_projection.h
+++ b/intern/cycles/kernel/kernel_projection.h
@@ -222,33 +222,41 @@ ccl_device float2 direction_to_panorama(KernelGlobals *kg, float3 dir)
}
}
-ccl_device float3 spherical_stereo_position(KernelGlobals *kg, float3 dir, float3 pos)
+ccl_device float3 spherical_stereo_position(KernelGlobals *kg,
+ float3 dir,
+ float3 pos)
{
- float3 up, side;
+ const float interocular_offset = kernel_data.cam.interocular_offset;
- /* Interocular_offset of zero means either non stereo, or stereo without spherical stereo. */
+ /* Interocular offset of zero means either non stereo, or stereo without
+ * spherical stereo.
+ */
+ if(interocular_offset == 0.0f) {
+ return pos;
+ }
- up = make_float3(0.0f, 0.0f, 1.0f);
- side = normalize(cross(dir, up));
+ float3 up = make_float3(0.0f, 0.0f, 1.0f);
+ float3 side = normalize(cross(dir, up));
- return pos + (side * kernel_data.cam.interocular_offset);
+ return pos + (side * interocular_offset);
}
-ccl_device float3 spherical_stereo_direction(KernelGlobals *kg, float3 dir, float3 pos, float3 newpos)
+ccl_device float3 spherical_stereo_direction(KernelGlobals *kg,
+ float3 dir,
+ float3 pos,
+ float3 newpos)
{
- float3 screenpos, dirnew;
-
- /* Interocular_distance of zero means either no stereo, or stereo without spherical stereo. */
- if(kernel_data.cam.interocular_offset == 0.0f)
+ /* Interocular offset of zero means either no stereo, or stereo without
+ * spherical stereo.
+ */
+ if(kernel_data.cam.interocular_offset == 0.0f) {
return dir;
+ }
- screenpos = pos + (normalize(dir) * kernel_data.cam.convergence_distance);
- dirnew = screenpos - newpos;
-
- return dirnew;
+ float3 screenpos = pos + (normalize(dir) * kernel_data.cam.convergence_distance);
+ return screenpos - newpos;
}
CCL_NAMESPACE_END
-#endif /* __KERNEL_PROJECTION_CL__ */
-
+#endif /* __KERNEL_PROJECTION_CL__ */
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