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Fix T84402: Off-screen rendering works only once from Python 

Off-screen drawing doesn't work once the 'bgl' workaround is enabled.
Disable this for off-screen drawing.
This commit is contained in:
Campbell Barton 2021-01-27 20:21:55 +11:00
parent 4b7b4efd5b
commit ea01c8c5f6
Notes: blender-bot 2023-02-14 05:52:32 +01:00 
Referenced by issue #84402, Offscreen rendering works only once
1 changed files with 10 additions and 0 deletions
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10
source/blender/python/gpu/gpu_py_offscreen.c
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@ -247,6 +247,12 @@ static PyObject *py_offscreen_draw_view3d(BPyGPUOffScreen *self, PyObject *args,
depsgraph = BKE_scene_ensure_depsgraph(G_MAIN, scene, view_layer);
/* Disable 'bgl' state since it interfere with off-screen drawing, see: T84402. */
const bool is_bgl = GPU_bgl_get();
if (is_bgl) {
GPU_bgl_end();
}
GPU_offscreen_bind(self->ofs, true);
ED_view3d_draw_offscreen(depsgraph,
@ -267,6 +273,10 @@ static PyObject *py_offscreen_draw_view3d(BPyGPUOffScreen *self, PyObject *args,
GPU_offscreen_unbind(self->ofs, true);
if (is_bgl) {
GPU_bgl_start();
}
Py_RETURN_NONE;
}