DRW: Remove support for NormalMatrix

4 files changed, 4 insertions, 19 deletions

diff --git a/source/blender/draw/intern/draw_manager.h b/source/blender/draw/intern/draw_manager.h
index 496e5b785bf..93a23643c36 100644
--- a/source/blender/draw/intern/draw_manager.h
+++ b/source/blender/draw/intern/draw_manager.h
@@ -103,7 +103,6 @@ enum {
   DRW_CALL_MODELVIEW = (1 << 1),
   DRW_CALL_MODELVIEWINVERSE = (1 << 2),
   DRW_CALL_MODELVIEWPROJECTION = (1 << 3),
-  DRW_CALL_NORMALVIEW = (1 << 4),
   DRW_CALL_ORCOTEXFAC = (1 << 7),
   DRW_CALL_OBJECTINFO = (1 << 8),
 };
@@ -124,7 +123,6 @@ typedef struct DRWCallState {
   float modelview[4][4];
   float modelviewinverse[4][4];
   float modelviewprojection[4][4];
-  float normalview[3][3];
   float orcotexfac[2][3]; /* Not view dependent */
   float objectinfo[2];
 } DRWCallState;
@@ -255,7 +253,6 @@ struct DRWShadingGroup {
   int modelview;
   int modelviewinverse;
   int modelviewprojection;
-  int normalview;
   int orcotexfac;
   int callid;
   int objectinfo;
diff --git a/source/blender/draw/intern/draw_manager_data.c b/source/blender/draw/intern/draw_manager_data.c
index deabffdaa0d..13ab4749319 100644
--- a/source/blender/draw/intern/draw_manager_data.c
+++ b/source/blender/draw/intern/draw_manager_data.c
@@ -837,11 +837,13 @@ static void drw_shgroup_init(DRWShadingGroup *shgroup, GPUShader *shader)
   shgroup->modelview = GPU_shader_get_builtin_uniform(shader, GPU_UNIFORM_MODELVIEW);
   shgroup->modelviewinverse = GPU_shader_get_builtin_uniform(shader, GPU_UNIFORM_MODELVIEW_INV);
   shgroup->modelviewprojection = GPU_shader_get_builtin_uniform(shader, GPU_UNIFORM_MVP);
-  shgroup->normalview = GPU_shader_get_builtin_uniform(shader, GPU_UNIFORM_NORMAL);
   shgroup->orcotexfac = GPU_shader_get_builtin_uniform(shader, GPU_UNIFORM_ORCO);
   shgroup->objectinfo = GPU_shader_get_builtin_uniform(shader, GPU_UNIFORM_OBJECT_INFO);
   shgroup->callid = GPU_shader_get_builtin_uniform(shader, GPU_UNIFORM_CALLID);
 
+  /* We do not support normal matrix anymore. */
+  BLI_assert(GPU_shader_get_builtin_uniform(shader, GPU_UNIFORM_NORMAL) == -1);
+
   shgroup->matflag = 0;
   if (shgroup->modelinverse > -1) {
     shgroup->matflag |= DRW_CALL_MODELINVERSE;
@@ -855,9 +857,6 @@ static void drw_shgroup_init(DRWShadingGroup *shgroup, GPUShader *shader)
   if (shgroup->modelviewprojection > -1) {
     shgroup->matflag |= DRW_CALL_MODELVIEWPROJECTION;
   }
-  if (shgroup->normalview > -1) {
-    shgroup->matflag |= DRW_CALL_NORMALVIEW;
-  }
   if (shgroup->orcotexfac > -1) {
     shgroup->matflag |= DRW_CALL_ORCOTEXFAC;
   }
diff --git a/source/blender/draw/intern/draw_manager_exec.c b/source/blender/draw/intern/draw_manager_exec.c
index 51ec38088c3..d0faed8e261 100644
--- a/source/blender/draw/intern/draw_manager_exec.c
+++ b/source/blender/draw/intern/draw_manager_exec.c
@@ -792,7 +792,7 @@ static void draw_matrices_model_prepare(DRWCallState *st)
     return;
   }
   /* Order matters */
-  if (st->matflag & (DRW_CALL_MODELVIEW | DRW_CALL_MODELVIEWINVERSE | DRW_CALL_NORMALVIEW)) {
+  if (st->matflag & (DRW_CALL_MODELVIEW | DRW_CALL_MODELVIEWINVERSE)) {
     mul_m4_m4m4(st->modelview, DST.view_data.matstate.mat[DRW_MAT_VIEW], st->model);
   }
   if (st->matflag & DRW_CALL_MODELVIEWINVERSE) {
@@ -801,11 +801,6 @@ 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)) {
-    copy_m3_m4(st->normalview, st->modelview);
-    invert_m3(st->normalview);
-    transpose_m3(st->normalview);
-  }
 }
 
 static void draw_geometry_prepare(DRWShadingGroup *shgroup, DRWCall *call)
@@ -836,10 +831,6 @@ static void draw_geometry_prepare(DRWShadingGroup *shgroup, DRWCall *call)
                                 1,
                                 (float *)state->modelviewprojection);
     }
-    if (shgroup->normalview != -1) {
-      GPU_shader_uniform_vector(
-          shgroup->shader, shgroup->normalview, 9, 1, (float *)state->normalview);
-    }
     if (shgroup->objectinfo != -1) {
       float objectinfo[4];
       objectinfo[0] = state->objectinfo[0];
@@ -854,7 +845,6 @@ static void draw_geometry_prepare(DRWShadingGroup *shgroup, DRWCall *call)
     }
   }
   else {
-    BLI_assert((shgroup->normalview == -1));
     /* For instancing and batching. */
     float unitmat[4][4];
     unit_m4(unitmat);
diff --git a/source/blender/gpu/intern/gpu_codegen.c b/source/blender/gpu/intern/gpu_codegen.c
index 2c42cc654e2..a2c1a01a82c 100644
--- a/source/blender/gpu/intern/gpu_codegen.c
+++ b/source/blender/gpu/intern/gpu_codegen.c
@@ -1038,7 +1038,6 @@ static char *code_generate_vertex(ListBase *nodes, const char *vert_code, bool u
 
   BLI_dynstr_append(ds,
                     "#define USE_ATTR\n"
-                    "uniform mat3 NormalMatrix;\n"
                     "uniform mat4 ModelMatrixInverse;\n"
                     "uniform mat4 ModelMatrix;\n"
                     "vec3 srgb_to_linear_attr(vec3 c) {\n"