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Fix T63464: Multi UV Maps limited to three with eevee 

this was very similar to T60684 (and the UV case was actually reported
back then as well), so the fix goes hand in hand with rBbd8039399575

Reviewers: fclem

Maniphest Tasks: T63464

Differential Revision: https://developer.blender.org/D4672
This commit is contained in:
Philipp Oeser 2019-04-11 09:34:54 +02:00
parent a3b88c9172
commit 87f07af737
Notes: blender-bot 2023-02-14 03:03:02 +01:00 
Referenced by issue #63464, Multi UV Maps limited to three with eevee.
1 changed files with 7 additions and 1 deletions
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8
source/blender/draw/intern/draw_cache_impl_mesh.c
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@ -982,11 +982,13 @@ static MeshRenderData *mesh_render_data_create_ex(
CustomData_free_layers(cd_ldata, CD_MLOOPTANGENT, rdata->loop_len);
if (rdata->cd.layers.uv_len != 0) {
int act_uv = rdata->cd.layers.uv_active;
for (int i_src = 0, i_dst = 0; i_src < cd_layers_src.uv_len; i_src++, i_dst++) {
if ((cd_used->uv & (1 << i_src)) == 0) {
/* This is a non-used UV slot. Skip. */
i_dst--;
if (rdata->cd.layers.uv_active >= i_src) {
rdata->cd.layers.uv_active--;
act_uv--;
}
}
else {
@ -1002,6 +1004,10 @@ static MeshRenderData *mesh_render_data_create_ex(
BLI_snprintf(rdata->cd.uuid.auto_mix[i_dst], sizeof(*rdata->cd.uuid.auto_mix), "a%u", hash);
}
}
if (rdata->cd.layers.uv_active != -1) {
/* Actual active UV slot inside uv layers used for shading. */
rdata->cd.layers.uv_active = act_uv;
}
}
if (rdata->cd.layers.tangent_len != 0) {