[Bf-blender-cvs] [266caa18209] blender-v2.83-release: Fix T76755: texture paint on udims crash

[Philipp Oeser]

Commit: 266caa18209f777e7ddaf50c0cddeae9a320ae67
Author: Philipp Oeser
Date:   Fri May 15 12:32:54 2020 +0200
Branches: blender-v2.83-release
https://developer.blender.org/rB266caa18209f777e7ddaf50c0cddeae9a320ae67

Fix T76755: texture paint on udims crash

Caused by rB5593efec01c2.

Use first texture if we dont have an ImageUser (instead of multiview
one). Same fix as in rB9ace7e243978 / T74925.

Maniphest Tasks: T76755

Differential Revision: https://developer.blender.org/D7743

===================================================================

M	source/blender/gpu/intern/gpu_draw.c

===================================================================

diff --git a/source/blender/gpu/intern/gpu_draw.c b/source/blender/gpu/intern/gpu_draw.c
index 350c616e359..5f3822c794e 100644
--- a/source/blender/gpu/intern/gpu_draw.c
+++ b/source/blender/gpu/intern/gpu_draw.c
@@ -905,7 +905,7 @@ GPUTexture *GPU_texture_from_blender(Image *ima, ImageUser *iuser, ImBuf *ibuf,
     bindcode = gpu_texture_create_tile_array(ima, ibuf_intern);
   }
   else if (textarget == GL_TEXTURE_1D_ARRAY) {
-    bindcode = gpu_texture_create_tile_mapping(ima, iuser->multiview_eye);
+    bindcode = gpu_texture_create_tile_mapping(ima, iuser ? iuser->multiview_eye : 0);
   }
   else {
     bindcode = gpu_texture_create_from_ibuf(ima, ibuf_intern, textarget);