diff options
Diffstat (limited to 'source/blender/editors/space_view3d/view3d_view.c')
| -rw-r--r-- | source/blender/editors/space_view3d/view3d_view.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/source/blender/editors/space_view3d/view3d_view.c b/source/blender/editors/space_view3d/view3d_view.c index 1d984ad9f4b..c555358f4c3 100644 --- a/source/blender/editors/space_view3d/view3d_view.c +++ b/source/blender/editors/space_view3d/view3d_view.c @@ -1113,8 +1113,21 @@ bool ED_view3d_lock(RegionView3D *rv3d) return ED_view3d_quat_from_axis_view(rv3d->view, rv3d->viewquat); } -/* don't set windows active in here, is used by renderwin too */ -void view3d_viewmatrix_set(const EvaluationContext *eval_ctx, Scene *scene, const View3D *v3d, RegionView3D *rv3d) +/** + * Sets #RegionView3D.viewmat + * + * \param eval_ctx: Context. + * \param scene: Scene for camera and cursor location. + * \param v3d: View 3D space data. + * \param rv3d: 3D region which stores the final matrices. + * \param rect_scale: Optional 2D scale argument, + * Use when displaying a sub-region, eg: when #view3d_winmatrix_set takes a 'rect' argument. + * + * \note don't set windows active in here, is used by renderwin too. + */ +void view3d_viewmatrix_set( + const EvaluationContext *eval_ctx, Scene *scene, + const View3D *v3d, RegionView3D *rv3d, const float rect_scale[2]) { if (rv3d->persp == RV3D_CAMOB) { /* obs/camera */ if (v3d->camera) { @@ -1175,6 +1188,12 @@ void view3d_viewmatrix_set(const EvaluationContext *eval_ctx, Scene *scene, cons mul_v2_v2fl(vec, rv3d->ofs_lock, rv3d->is_persp ? rv3d->dist : 1.0f); vec[2] = 0.0f; + + if (rect_scale) { + vec[0] /= rect_scale[0]; + vec[1] /= rect_scale[1]; + } + mul_mat3_m4_v3(persinv, vec); translate_m4(rv3d->viewmat, vec[0], vec[1], vec[2]); } |