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Fix T45232: Cycles bake artifacts with transparent textures

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The issue was caused by uninitialized ray used for composite and AO evaluation.

Can;t really think of "proper" ray configuration here, it's all a bit arbitrary
but think initializing the ray in a way so we look at the surface in a negative
normal direction is much better alternative to uninitialized ray.

Open for alternative suggestions tho.
This commit is contained in:
Sergey Sharybin 2015-08-26 17:51:54 +02:00
parent f62748f10a
commit 2633928e1d
1 changed files with 7 additions and 0 deletions
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7
intern/cycles/kernel/kernel_bake.h
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@ -31,6 +31,13 @@ ccl_device void compute_light_pass(KernelGlobals *kg, ShaderData *sd, PathRadian
float3 throughput = make_float3(1.0f, 1.0f, 1.0f);
bool is_sss_sample = is_sss;
ray.P = sd->P + sd->Ng;
ray.D = -sd->Ng;
ray.t = FLT_MAX;
#ifdef __CAMERA_MOTION__
ray.time = TIME_INVALID;
#endif
/* init radiance */
path_radiance_init(&L_sample, kernel_data.film.use_light_pass);