Cr8-xyz/blender
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Fix #35207: addition to previous fix to avoid OSL getting uninitialized

Browse Source 
ray differentials for lighting, which could cause bad texture filtering
artifacts or performance.
This commit is contained in:
Brecht Van Lommel
2013-05-03 21:34:51 +00:00
parent 879859e0cc
commit 838949c3e7
7 changed files with 41 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
intern/cycles/kernel/kernel_shader.h
View File

@@ -370,14 +370,10 @@ __device_noinline void shader_setup_from_sample(KernelGlobals *kg, ShaderData *s
#ifdef __RAY_DIFFERENTIALS__
/* no ray differentials here yet */
sd->dP.dx = make_float3(0.0f, 0.0f, 0.0f);
sd->dP.dy = make_float3(0.0f, 0.0f, 0.0f);
sd->dI.dx = make_float3(0.0f, 0.0f, 0.0f);
sd->dI.dy = make_float3(0.0f, 0.0f, 0.0f);
sd->du.dx = 0.0f;
sd->du.dy = 0.0f;
sd->dv.dx = 0.0f;
sd->dv.dy = 0.0f;
sd->dP = differential3_zero();
sd->dI = differential3_zero();
sd->du = differential_zero();
sd->dv = differential_zero();
#endif
}
@@ -438,10 +434,8 @@ __device_inline void shader_setup_from_background(KernelGlobals *kg, ShaderData
/* differentials */
sd->dP = ray->dD;
differential_incoming(&sd->dI, sd->dP);
sd->du.dx = 0.0f;
sd->du.dy = 0.0f;
sd->dv.dx = 0.0f;
sd->dv.dy = 0.0f;
sd->du = differential_zero();
sd->dv = differential_zero();
#endif
}