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Fix #33257: cycles camera clipping did not work through transparent objects.

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This commit is contained in:
Brecht Van Lommel 2012-11-21 13:22:24 +00:00
parent 7011d3cfe2
commit a9c601ceff
1 changed files with 7 additions and 1 deletions
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8
intern/cycles/kernel/kernel_path.h
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@ -424,7 +424,12 @@ __device float4 kernel_path_progressive(KernelGlobals *kg, RNG *rng, int sample,
/* setup ray */
ray.P = ray_offset(sd.P, (label & LABEL_TRANSMIT)? -sd.Ng: sd.Ng);
ray.D = bsdf_omega_in;
ray.t = FLT_MAX;
if(state.bounce == 0)
ray.t -= sd.ray_length; /* clipping works through transparent */
else
ray.t = FLT_MAX;
#ifdef __RAY_DIFFERENTIALS__
ray.dP = sd.dP;
ray.dD = bsdf_domega_in;
@ -887,6 +892,7 @@ __device float4 kernel_path_non_progressive(KernelGlobals *kg, RNG *rng, int sam
path_state_next(kg, &state, LABEL_TRANSPARENT);
ray.P = ray_offset(sd.P, -sd.Ng);
ray.t -= sd.ray_length; /* clipping works through transparent */
}
float3 L_sum = path_radiance_sum(kg, &L);