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Fix T89523: Cycles OpenCL compile error after recent changes 

Also correctly used inverse transposed matrix for normal transform.
This commit is contained in:
Brecht Van Lommel 2021-06-29 19:23:36 +02:00
parent 999f1f7504
commit 516a060bb3
Notes: blender-bot 2023-02-14 07:17:43 +01:00 
Referenced by issue #89523, 3.0 Split kernel error: failed to load kernel_path_init with OpenCL on Linux
1 changed files with 3 additions and 1 deletions
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4
intern/cycles/kernel/bvh/bvh_util.h
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@ -85,7 +85,9 @@ ccl_device_inline float3 smooth_surface_offset(KernelGlobals *kg, ShaderData *sd
const float w = 1 - u - v;
float3 P = V[0] * u + V[1] * v + V[2] * w; /* Local space */
float3 n = N[0] * u + N[1] * v + N[2] * w; /* We get away without normalization */
n = transform_direction(&(sd->ob_tfm), n); /* Normal x scale, world space */
n = normalize(
transform_direction_transposed_auto(&sd->ob_itfm, n)); /* Normal x scale, world space */
/* Parabolic approximation */
float a = dot(N[2] - N[0], V[0] - V[2]);