GPU: Remove GPU_INVERSE_NORMAL_MATRIX

The end goal for this is to lower the number of needed matrices.

This also cleanup some uneeded transformation.

1 files changed, 1 insertions, 8 deletions

diff --git a/source/blender/draw/intern/draw_manager_exec.c b/source/blender/draw/intern/draw_manager_exec.c
index 2c35d718f1f..f98c2cb1025 100644
--- a/source/blender/draw/intern/draw_manager_exec.c
+++ b/source/blender/draw/intern/draw_manager_exec.c
@@ -801,14 +801,11 @@ static void draw_matrices_model_prepare(DRWCallState *st)
   if (st->matflag & DRW_CALL_MODELVIEWPROJECTION) {
     mul_m4_m4m4(st->modelviewprojection, DST.view_data.matstate.mat[DRW_MAT_PERS], st->model);
   }
-  if (st->matflag & (DRW_CALL_NORMALVIEW | DRW_CALL_NORMALVIEWINVERSE)) {
+  if (st->matflag & (DRW_CALL_NORMALVIEW)) {
     copy_m3_m4(st->normalview, st->modelview);
     invert_m3(st->normalview);
     transpose_m3(st->normalview);
   }
-  if (st->matflag & (DRW_CALL_NORMALVIEWINVERSE)) {
-    invert_m3_m3(st->normalviewinverse, st->normalview);
-  }
   /* Non view dependent */
   if (st->matflag & DRW_CALL_NORMALWORLD) {
     copy_m3_m4(st->normalworld, st->model);
@@ -850,10 +847,6 @@ static void draw_geometry_prepare(DRWShadingGroup *shgroup, DRWCall *call)
       GPU_shader_uniform_vector(
           shgroup->shader, shgroup->normalview, 9, 1, (float *)state->normalview);
     }
-    if (shgroup->normalviewinverse != -1) {
-      GPU_shader_uniform_vector(
-          shgroup->shader, shgroup->normalviewinverse, 9, 1, (float *)state->normalviewinverse);
-    }
     if (shgroup->normalworld != -1) {
       GPU_shader_uniform_vector(
           shgroup->shader, shgroup->normalworld, 9, 1, (float *)state->normalworld);