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Fix #30034: bug in multiple importance sampling + transparency, would

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give slightly wrong lighting behind transparent objects.
This commit is contained in:
Brecht Van Lommel 2012-01-31 14:57:46 +00:00
parent f07f59c760
commit 87149fc4b6
1 changed files with 2 additions and 5 deletions
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5
intern/cycles/kernel/kernel_path.h
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@ -220,9 +220,7 @@ __device float4 kernel_path_integrate(KernelGlobals *kg, RNG *rng, int sample, R
path_radiance_init(&L, kernel_data.film.use_light_pass);
#if defined(__EMISSION__) || defined(__BACKGROUND__)
float ray_pdf = 0.0f;
#endif
PathState state;
int rng_offset = PRNG_BASE_NUM;
@ -344,9 +342,8 @@ __device float4 kernel_path_integrate(KernelGlobals *kg, RNG *rng, int sample, R
path_radiance_bsdf_bounce(&L, &throughput, &bsdf_eval, bsdf_pdf, state.bounce, label);
/* set labels */
#if defined(__EMISSION__) || defined(__BACKGROUND__)
if(!(label & LABEL_TRANSPARENT))
ray_pdf = bsdf_pdf;
#endif
/* update path state */
path_state_next(kg, &state, label);