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Fix T49226: Incorrect Material viewport shading of Cycles Normal Map node in Edit mode for an object with Array modifier 

Was incorrect indexing done in the array. Caused by 5abae51.

Not sure why it needed to be changed here, but array here is supposed to be
a loop data, so bringing back loop index as it originally was. The shading was
wrong in edit mode with BI active as well (so it's not like it's needed for
BI only).

Patch in collaboration with Alexander Gavrilov (angavrilov), thanks!

Should be double-checked and ported to 2.78.
This commit is contained in:
Sergey Sharybin 2016-09-02 17:50:30 +02:00
parent 3ea30ce1d0
commit 98b2411b30
1 changed files with 1 additions and 1 deletions
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2
source/blender/blenkernel/intern/DerivedMesh.c
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@ -3836,7 +3836,7 @@ void DM_draw_attrib_vertex(DMVertexAttribs *attribs, int a, int index, int vert,
for (b = 0; b < attribs->tottang; b++) {
if (attribs->tang[b].array) {
/*const*/ float (*array)[4] = attribs->tang[b].array;
const float *tang = (array) ? array[a * 4 + vert] : zero;
const float *tang = (array) ? array[loop] : zero;
glVertexAttrib4fv(attribs->tang[b].gl_index, tang);
}
}