GPU: Add a matrix unproject function that takes an inverted matrix

This is normally already calculated so add a version that takes the
inverted matrix.

1 files changed, 5 insertions, 0 deletions

diff --git a/source/blender/gpu/GPU_matrix.h b/source/blender/gpu/GPU_matrix.h
index 67fb2bb2bd4..6f7d25dafa7 100644
--- a/source/blender/gpu/GPU_matrix.h
+++ b/source/blender/gpu/GPU_matrix.h
@@ -106,6 +106,11 @@ bool GPU_matrix_unproject(const float win[3],
                           const float proj[4][4],
                           const int view[4],
                           float world[3]);
+void GPU_matrix_unproject_model_inverted(const float win[3],
+                                         const float model_inverted[4][4],
+                                         const float proj[4][4],
+                                         const int view[4],
+                                         float world[3]);
 
 /* 2D Projection Matrix */