Fix T87832: Incorrect FOV in line art when sensor fit is not Auto.

Reviewed by Sebastian Parborg

https://developer.blender.org/D11095

1 files changed, 17 insertions, 2 deletions

diff --git a/source/blender/gpencil_modifiers/intern/lineart/lineart_cpu.c b/source/blender/gpencil_modifiers/intern/lineart/lineart_cpu.c
index 3778e60d813..9c4e428f58a 100644
--- a/source/blender/gpencil_modifiers/intern/lineart/lineart_cpu.c
+++ b/source/blender/gpencil_modifiers/intern/lineart/lineart_cpu.c
@@ -1817,8 +1817,23 @@ static void lineart_main_load_geometries(
   double asp = ((double)rb->w / (double)rb->h);
 
   if (cam->type == CAM_PERSP) {
-    if (asp < 1) {
-      fov /= asp;
+    if (cam->sensor_fit == CAMERA_SENSOR_FIT_AUTO) {
+      if (asp < 1) {
+        fov /= asp;
+      }
+      else {
+        fov *= asp;
+      }
+    }
+    else if (cam->sensor_fit == CAMERA_SENSOR_FIT_HOR) {
+      if (asp < 1) {
+        fov /= asp;
+      }
+    }
+    else if (cam->sensor_fit == CAMERA_SENSOR_FIT_VERT) {
+      if (asp > 1) {
+        fov *= asp;
+      }
     }
     lineart_matrix_perspective_44d(proj, fov, asp, cam->clip_start, cam->clip_end);
   }