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Fix #103903: Bump Node performance regression

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Avoid computing the non-derivative height twice.
The height is now computed as part of the main function, while the height at x and y offsets are still computed on a separate function.
The differentials are now computed directly at node_bump.

Co-authored-by: Miguel Pozo <pragma37@gmail.com>
Pull Request #104595
This commit is contained in:
Miguel Pozo
2023-02-10 21:06:53 +01:00
parent 0e6da74e98
commit efabe81c91
4 changed files with 16 additions and 19 deletions
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15
source/blender/gpu/intern/gpu_material.c
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@@ -647,21 +647,6 @@ char *GPU_material_split_sub_function(GPUMaterial *material,
SNPRINTF(func_link->name, "ntree_fn%d", material->generated_function_len++);
BLI_addtail(&material->graph.material_functions, func_link);
/* Set value to break the link with the main graph. */
switch (return_type) {
case GPU_FLOAT:
GPU_link(material, "set_value_one", link);
break;
case GPU_VEC3:
GPU_link(material, "set_rgb_one", link);
break;
case GPU_VEC4:
GPU_link(material, "set_rgba_one", link);
break;
default:
BLI_assert(0);
break;
}
return func_link->name;
}