[Bf-blender-cvs] [6bb7eb17065] master: Eevee: Fix Auto Tangent not working if active UV layer is greater than 3
Clément Foucault
noreply at git.blender.org
Tue May 14 13:57:58 CEST 2019
Commit: 6bb7eb17065100a8ff6bb9eee2f3f7448e89e674
Author: Clément Foucault
Date: Tue May 14 12:33:25 2019 +0200
Branches: master
https://developer.blender.org/rB6bb7eb17065100a8ff6bb9eee2f3f7448e89e674
Eevee: Fix Auto Tangent not working if active UV layer is greater than 3
===================================================================
M source/blender/draw/intern/draw_cache_impl_mesh.c
===================================================================
diff --git a/source/blender/draw/intern/draw_cache_impl_mesh.c b/source/blender/draw/intern/draw_cache_impl_mesh.c
index 88ac20b7532..bb171565f59 100644
--- a/source/blender/draw/intern/draw_cache_impl_mesh.c
+++ b/source/blender/draw/intern/draw_cache_impl_mesh.c
@@ -1142,11 +1142,12 @@ static MeshRenderData *mesh_render_data_create_ex(Mesh *me,
rdata->cd.layers.tangent_len);
int i_dst = 0;
+ int act_tan = rdata->cd.layers.tangent_active;
for (int i_src = 0; i_src < cd_layers_src.uv_len; i_src++, i_dst++) {
if ((cd_used->tan & (1 << i_src)) == 0) {
i_dst--;
if (rdata->cd.layers.tangent_active >= i_src) {
- rdata->cd.layers.tangent_active--;
+ act_tan--;
}
}
else {
@@ -1170,6 +1171,11 @@ static MeshRenderData *mesh_render_data_create_ex(Mesh *me,
}
}
}
+ if (rdata->cd.layers.tangent_active != -1) {
+ /* Actual active UV slot inside uv layers used for shading. */
+ rdata->cd.layers.tangent_active = act_tan;
+ }
+
if (cd_used->tan_orco != 0) {
const char *name = CustomData_get_layer_name(&rdata->cd.output.ldata, CD_TANGENT, i_dst);
uint hash = BLI_ghashutil_strhash_p(name);
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