ClangFormat: adjust '#if 0' to fix gpu_buffers.c indent

1 files changed, 699 insertions, 694 deletions

diff --git a/source/blender/gpu/intern/gpu_buffers.c b/source/blender/gpu/intern/gpu_buffers.c
index 0b5b2e469a0..743e43014a0 100644
--- a/source/blender/gpu/intern/gpu_buffers.c
+++ b/source/blender/gpu/intern/gpu_buffers.c
@@ -104,10 +104,12 @@ static struct {
  * Return is false it indicates that the memory map failed. */
 static bool gpu_pbvh_vert_buf_data_set(GPU_PBVH_Buffers *buffers, uint vert_len)
 {
+  /* Keep so we can test #GPU_USAGE_DYNAMIC buffer use.
+   * Not that format initialization match in both blocks.
+   * Do this to keep braces balanced - otherwise indentation breaks. */
+#if 0
   if (buffers->vert_buf == NULL) {
-    /* Initialize vertex buffer */
-    /* match 'VertexBufferFormat' */
-
+    /* Initialize vertex buffer (match 'VertexBufferFormat'). */
     static GPUVertFormat format = {0};
     if (format.attr_len == 0) {
       g_vbo_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
@@ -115,7 +117,6 @@ static bool gpu_pbvh_vert_buf_data_set(GPU_PBVH_Buffers *buffers, uint vert_len)
           &format, "nor", GPU_COMP_I16, 3, GPU_FETCH_INT_TO_FLOAT_UNIT);
       g_vbo_id.msk = GPU_vertformat_attr_add(&format, "msk", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
     }
-#if 0
     buffers->vert_buf = GPU_vertbuf_create_with_format_ex(&format, GPU_USAGE_DYNAMIC);
     GPU_vertbuf_data_alloc(buffers->vert_buf, vert_len);
   }
@@ -123,896 +124,900 @@ static bool gpu_pbvh_vert_buf_data_set(GPU_PBVH_Buffers *buffers, uint vert_len)
     GPU_vertbuf_data_resize(buffers->vert_buf, vert_len);
   }
 #else
+  if (buffers->vert_buf == NULL) {
+    /* Initialize vertex buffer (match 'VertexBufferFormat'). */
+    static GPUVertFormat format = {0};
+    if (format.attr_len == 0) {
+      g_vbo_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
+      g_vbo_id.nor = GPU_vertformat_attr_add(
+          &format, "nor", GPU_COMP_I16, 3, GPU_FETCH_INT_TO_FLOAT_UNIT);
+      g_vbo_id.msk = GPU_vertformat_attr_add(&format, "msk", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
+    }
     buffers->vert_buf = GPU_vertbuf_create_with_format_ex(&format, GPU_USAGE_STATIC);
   }
   GPU_vertbuf_data_alloc(buffers->vert_buf, vert_len);
 #endif
-    return buffers->vert_buf->data != NULL;
-  }
+  return buffers->vert_buf->data != NULL;
+}
 
-  static void gpu_pbvh_batch_init(GPU_PBVH_Buffers * buffers, GPUPrimType prim)
-  {
-    /* force flushing to the GPU */
-    if (buffers->vert_buf->data) {
-      GPU_vertbuf_use(buffers->vert_buf);
-    }
+static void gpu_pbvh_batch_init(GPU_PBVH_Buffers *buffers, GPUPrimType prim)
+{
+  /* force flushing to the GPU */
+  if (buffers->vert_buf->data) {
+    GPU_vertbuf_use(buffers->vert_buf);
+  }
 
-    if (buffers->triangles == NULL) {
-      buffers->triangles = GPU_batch_create(prim,
-                                            buffers->vert_buf,
-                                            /* can be NULL */
-                                            buffers->index_buf);
-    }
+  if (buffers->triangles == NULL) {
+    buffers->triangles = GPU_batch_create(prim,
+                                          buffers->vert_buf,
+                                          /* can be NULL */
+                                          buffers->index_buf);
+  }
 
-    if ((buffers->triangles_fast == NULL) && buffers->index_buf_fast) {
-      buffers->triangles_fast = GPU_batch_create(prim, buffers->vert_buf, buffers->index_buf_fast);
-    }
+  if ((buffers->triangles_fast == NULL) && buffers->index_buf_fast) {
+    buffers->triangles_fast = GPU_batch_create(prim, buffers->vert_buf, buffers->index_buf_fast);
+  }
 
-    if (buffers->lines == NULL) {
-      BLI_assert(buffers->index_lines_buf != NULL);
-      buffers->lines = GPU_batch_create(
-          GPU_PRIM_LINES, buffers->vert_buf, buffers->index_lines_buf);
-    }
+  if (buffers->lines == NULL) {
+    BLI_assert(buffers->index_lines_buf != NULL);
+    buffers->lines = GPU_batch_create(GPU_PRIM_LINES, buffers->vert_buf, buffers->index_lines_buf);
+  }
 
-    if ((buffers->lines_fast == NULL) && buffers->index_lines_buf_fast) {
-      buffers->lines_fast = GPU_batch_create(
-          GPU_PRIM_LINES, buffers->vert_buf, buffers->index_lines_buf_fast);
-    }
+  if ((buffers->lines_fast == NULL) && buffers->index_lines_buf_fast) {
+    buffers->lines_fast = GPU_batch_create(
+        GPU_PRIM_LINES, buffers->vert_buf, buffers->index_lines_buf_fast);
   }
+}
 
-  /** \} */
+/** \} */
 
-  /* -------------------------------------------------------------------- */
-  /** \name Mesh PBVH
+/* -------------------------------------------------------------------- */
+/** \name Mesh PBVH
  * \{ */
 
-  void GPU_pbvh_mesh_buffers_update(GPU_PBVH_Buffers * buffers,
-                                    const MVert *mvert,
-                                    const int *vert_indices,
-                                    int totvert,
-                                    const float *vmask,
-                                    const int(*face_vert_indices)[3],
-                                    const int update_flags)
-  {
-    const bool show_mask = (update_flags & GPU_PBVH_BUFFERS_SHOW_MASK) != 0;
-    bool empty_mask = true;
+void GPU_pbvh_mesh_buffers_update(GPU_PBVH_Buffers *buffers,
+                                  const MVert *mvert,
+                                  const int *vert_indices,
+                                  int totvert,
+                                  const float *vmask,
+                                  const int (*face_vert_indices)[3],
+                                  const int update_flags)
+{
+  const bool show_mask = (update_flags & GPU_PBVH_BUFFERS_SHOW_MASK) != 0;
+  bool empty_mask = true;
 
-    {
-      int totelem = (buffers->smooth ? totvert : (buffers->tot_tri * 3));
+  {
+    int totelem = (buffers->smooth ? totvert : (buffers->tot_tri * 3));
 
-      /* Build VBO */
-      if (gpu_pbvh_vert_buf_data_set(buffers, totelem)) {
-        /* Vertex data is shared if smooth-shaded, but separate
+    /* Build VBO */
+    if (gpu_pbvh_vert_buf_data_set(buffers, totelem)) {
+      /* Vertex data is shared if smooth-shaded, but separate
        * copies are made for flat shading because normals
        * shouldn't be shared. */
-        if (buffers->smooth) {
-          for (uint i = 0; i < totvert; ++i) {
-            const MVert *v = &mvert[vert_indices[i]];
-            GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.pos, i, v->co);
-            GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.nor, i, v->no);
-          }
-
-          if (vmask && show_mask) {
-            for (uint i = 0; i < buffers->face_indices_len; i++) {
-              const MLoopTri *lt = &buffers->looptri[buffers->face_indices[i]];
-              for (uint j = 0; j < 3; j++) {
-                int vidx = face_vert_indices[i][j];
-                int v_index = buffers->mloop[lt->tri[j]].v;
-                float fmask = vmask[v_index];
-                GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.msk, vidx, &fmask);
-                empty_mask = empty_mask && (fmask == 0.0f);
-              }
-            }
-          }
+      if (buffers->smooth) {
+        for (uint i = 0; i < totvert; ++i) {
+          const MVert *v = &mvert[vert_indices[i]];
+          GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.pos, i, v->co);
+          GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.nor, i, v->no);
         }
-        else {
-          /* calculate normal for each polygon only once */
-          uint mpoly_prev = UINT_MAX;
-          short no[3];
-          int vbo_index = 0;
 
+        if (vmask && show_mask) {
           for (uint i = 0; i < buffers->face_indices_len; i++) {
             const MLoopTri *lt = &buffers->looptri[buffers->face_indices[i]];
-            const uint vtri[3] = {
-                buffers->mloop[lt->tri[0]].v,
-                buffers->mloop[lt->tri[1]].v,
-                buffers->mloop[lt->tri[2]].v,
-            };
-
-            if (paint_is_face_hidden(lt, mvert, buffers->mloop))
-              continue;
-
-            /* Face normal and mask */
-            if (lt->poly != mpoly_prev) {
-              const MPoly *mp = &buffers->mpoly[lt->poly];
-              float fno[3];
-              BKE_mesh_calc_poly_normal(mp, &buffers->mloop[mp->loopstart], mvert, fno);
-              normal_float_to_short_v3(no, fno);
-              mpoly_prev = lt->poly;
-            }
-
-            float fmask = 0.0f;
-            if (vmask && show_mask) {
-              fmask = (vmask[vtri[0]] + vmask[vtri[1]] + vmask[vtri[2]]) / 3.0f;
+            for (uint j = 0; j < 3; j++) {
+              int vidx = face_vert_indices[i][j];
+              int v_index = buffers->mloop[lt->tri[j]].v;
+              float fmask = vmask[v_index];
+              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.msk, vidx, &fmask);
+              empty_mask = empty_mask && (fmask == 0.0f);
             }
+          }
+        }
+      }
+      else {
+        /* calculate normal for each polygon only once */
+        uint mpoly_prev = UINT_MAX;
+        short no[3];
+        int vbo_index = 0;
+
+        for (uint i = 0; i < buffers->face_indices_len; i++) {
+          const MLoopTri *lt = &buffers->looptri[buffers->face_indices[i]];
+          const uint vtri[3] = {
+              buffers->mloop[lt->tri[0]].v,
+              buffers->mloop[lt->tri[1]].v,
+              buffers->mloop[lt->tri[2]].v,
+          };
+
+          if (paint_is_face_hidden(lt, mvert, buffers->mloop))
+            continue;
+
+          /* Face normal and mask */
+          if (lt->poly != mpoly_prev) {
+            const MPoly *mp = &buffers->mpoly[lt->poly];
+            float fno[3];
+            BKE_mesh_calc_poly_normal(mp, &buffers->mloop[mp->loopstart], mvert, fno);
+            normal_float_to_short_v3(no, fno);
+            mpoly_prev = lt->poly;
+          }
 
-            for (uint j = 0; j < 3; j++) {
-              const MVert *v = &mvert[vtri[j]];
+          float fmask = 0.0f;
+          if (vmask && show_mask) {
+            fmask = (vmask[vtri[0]] + vmask[vtri[1]] + vmask[vtri[2]]) / 3.0f;
+          }
 
-              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.pos, vbo_index, v->co);
-              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.nor, vbo_index, no);
-              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.msk, vbo_index, &fmask);
+          for (uint j = 0; j < 3; j++) {
+            const MVert *v = &mvert[vtri[j]];
 
-              vbo_index++;
-            }
+            GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.pos, vbo_index, v->co);
+            GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.nor, vbo_index, no);
+            GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.msk, vbo_index, &fmask);
 
-            empty_mask = empty_mask && (fmask == 0.0f);
+            vbo_index++;
           }
-        }
 
-        gpu_pbvh_batch_init(buffers, GPU_PRIM_TRIS);
+          empty_mask = empty_mask && (fmask == 0.0f);
+        }
       }
-    }
 
-    buffers->show_mask = !empty_mask;
-    buffers->mvert = mvert;
+      gpu_pbvh_batch_init(buffers, GPU_PRIM_TRIS);
+    }
   }
 
-  GPU_PBVH_Buffers *GPU_pbvh_mesh_buffers_build(const int(*face_vert_indices)[3],
-                                                const MPoly *mpoly,
-                                                const MLoop *mloop,
-                                                const MLoopTri *looptri,
-                                                const MVert *mvert,
-                                                const int *face_indices,
-                                                const int face_indices_len)
-  {
-    GPU_PBVH_Buffers *buffers;
-    int i, tottri;
+  buffers->show_mask = !empty_mask;
+  buffers->mvert = mvert;
+}
+
+GPU_PBVH_Buffers *GPU_pbvh_mesh_buffers_build(const int (*face_vert_indices)[3],
+                                              const MPoly *mpoly,
+                                              const MLoop *mloop,
+                                              const MLoopTri *looptri,
+                                              const MVert *mvert,
+                                              const int *face_indices,
+                                              const int face_indices_len)
+{
+  GPU_PBVH_Buffers *buffers;
+  int i, tottri;
 
-    buffers = MEM_callocN(sizeof(GPU_PBVH_Buffers), "GPU_Buffers");
+  buffers = MEM_callocN(sizeof(GPU_PBVH_Buffers), "GPU_Buffers");
 
-    /* smooth or flat for all */
-    buffers->smooth = mpoly[looptri[face_indices[0]].poly].flag & ME_SMOOTH;
+  /* smooth or flat for all */
+  buffers->smooth = mpoly[looptri[face_indices[0]].poly].flag & ME_SMOOTH;
 
-    buffers->show_mask = false;
+  buffers->show_mask = false;
 
-    /* Count the number of visible triangles */
-    for (i = 0, tottri = 0; i < face_indices_len; ++i) {
-      const MLoopTri *lt = &looptri[face_indices[i]];
-      if (!paint_is_face_hidden(lt, mvert, mloop))
-        tottri++;
-    }
+  /* Count the number of visible triangles */
+  for (i = 0, tottri = 0; i < face_indices_len; ++i) {
+    const MLoopTri *lt = &looptri[face_indices[i]];
+    if (!paint_is_face_hidden(lt, mvert, mloop))
+      tottri++;
+  }
 
-    if (tottri == 0) {
-      buffers->tot_tri = 0;
+  if (tottri == 0) {
+    buffers->tot_tri = 0;
 
-      buffers->mpoly = mpoly;
-      buffers->mloop = mloop;
-      buffers->looptri = looptri;
-      buffers->face_indices = face_indices;
-      buffers->face_indices_len = 0;
+    buffers->mpoly = mpoly;
+    buffers->mloop = mloop;
+    buffers->looptri = looptri;
+    buffers->face_indices = face_indices;
+    buffers->face_indices_len = 0;
 
-      return buffers;
-    }
+    return buffers;
+  }
 
-    GPU_BATCH_DISCARD_SAFE(buffers->triangles);
-    GPU_BATCH_DISCARD_SAFE(buffers->lines);
-    GPU_INDEXBUF_DISCARD_SAFE(buffers->index_buf);
-    GPU_INDEXBUF_DISCARD_SAFE(buffers->index_lines_buf);
+  GPU_BATCH_DISCARD_SAFE(buffers->triangles);
+  GPU_BATCH_DISCARD_SAFE(buffers->lines);
+  GPU_INDEXBUF_DISCARD_SAFE(buffers->index_buf);
+  GPU_INDEXBUF_DISCARD_SAFE(buffers->index_lines_buf);
 
-    /* An element index buffer is used for smooth shading, but flat
+  /* An element index buffer is used for smooth shading, but flat
    * shading requires separate vertex normals so an index buffer
    * can't be used there. */
-    if (buffers->smooth) {
-      /* Fill the triangle and line buffers. */
-      GPUIndexBufBuilder elb, elb_lines;
-      GPU_indexbuf_init(&elb, GPU_PRIM_TRIS, tottri, INT_MAX);
-      GPU_indexbuf_init(&elb_lines, GPU_PRIM_LINES, tottri * 3, INT_MAX);
+  if (buffers->smooth) {
+    /* Fill the triangle and line buffers. */
+    GPUIndexBufBuilder elb, elb_lines;
+    GPU_indexbuf_init(&elb, GPU_PRIM_TRIS, tottri, INT_MAX);
+    GPU_indexbuf_init(&elb_lines, GPU_PRIM_LINES, tottri * 3, INT_MAX);
 
-      for (i = 0; i < face_indices_len; ++i) {
-        const MLoopTri *lt = &looptri[face_indices[i]];
+    for (i = 0; i < face_indices_len; ++i) {
+      const MLoopTri *lt = &looptri[face_indices[i]];
 
-        /* Skip hidden faces */
-        if (paint_is_face_hidden(lt, mvert, mloop))
-          continue;
+      /* Skip hidden faces */
+      if (paint_is_face_hidden(lt, mvert, mloop))
+        continue;
 
-        GPU_indexbuf_add_tri_verts(&elb, UNPACK3(face_vert_indices[i]));
+      GPU_indexbuf_add_tri_verts(&elb, UNPACK3(face_vert_indices[i]));
 
-        /* TODO skip "non-real" edges. */
-        GPU_indexbuf_add_line_verts(&elb_lines, face_vert_indices[i][0], face_vert_indices[i][1]);
-        GPU_indexbuf_add_line_verts(&elb_lines, face_vert_indices[i][1], face_vert_indices[i][2]);
-        GPU_indexbuf_add_line_verts(&elb_lines, face_vert_indices[i][2], face_vert_indices[i][0]);
-      }
-      buffers->index_buf = GPU_indexbuf_build(&elb);
-      buffers->index_lines_buf = GPU_indexbuf_build(&elb_lines);
+      /* TODO skip "non-real" edges. */
+      GPU_indexbuf_add_line_verts(&elb_lines, face_vert_indices[i][0], face_vert_indices[i][1]);
+      GPU_indexbuf_add_line_verts(&elb_lines, face_vert_indices[i][1], face_vert_indices[i][2]);
+      GPU_indexbuf_add_line_verts(&elb_lines, face_vert_indices[i][2], face_vert_indices[i][0]);
     }
-    else {
-      /* Fill the only the line buffer. */
-      GPUIndexBufBuilder elb_lines;
-      GPU_indexbuf_init(&elb_lines, GPU_PRIM_LINES, tottri * 3, INT_MAX);
+    buffers->index_buf = GPU_indexbuf_build(&elb);
+    buffers->index_lines_buf = GPU_indexbuf_build(&elb_lines);
+  }
+  else {
+    /* Fill the only the line buffer. */
+    GPUIndexBufBuilder elb_lines;
+    GPU_indexbuf_init(&elb_lines, GPU_PRIM_LINES, tottri * 3, INT_MAX);
 
-      for (i = 0; i < face_indices_len; ++i) {
-        const MLoopTri *lt = &looptri[face_indices[i]];
+    for (i = 0; i < face_indices_len; ++i) {
+      const MLoopTri *lt = &looptri[face_indices[i]];
 
-        /* Skip hidden faces */
-        if (paint_is_face_hidden(lt, mvert, mloop))
-          continue;
+      /* Skip hidden faces */
+      if (paint_is_face_hidden(lt, mvert, mloop))
+        continue;
 
-        /* TODO skip "non-real" edges. */
-        GPU_indexbuf_add_line_verts(&elb_lines, i * 3 + 0, i * 3 + 1);
-        GPU_indexbuf_add_line_verts(&elb_lines, i * 3 + 1, i * 3 + 2);
-        GPU_indexbuf_add_line_verts(&elb_lines, i * 3 + 2, i * 3 + 0);
-      }
-      buffers->index_lines_buf = GPU_indexbuf_build(&elb_lines);
+      /* TODO skip "non-real" edges. */
+      GPU_indexbuf_add_line_verts(&elb_lines, i * 3 + 0, i * 3 + 1);
+      GPU_indexbuf_add_line_verts(&elb_lines, i * 3 + 1, i * 3 + 2);
+      GPU_indexbuf_add_line_verts(&elb_lines, i * 3 + 2, i * 3 + 0);
     }
+    buffers->index_lines_buf = GPU_indexbuf_build(&elb_lines);
+  }
 
-    buffers->tot_tri = tottri;
+  buffers->tot_tri = tottri;
 
-    buffers->mpoly = mpoly;
-    buffers->mloop = mloop;
-    buffers->looptri = looptri;
+  buffers->mpoly = mpoly;
+  buffers->mloop = mloop;
+  buffers->looptri = looptri;
 
-    buffers->face_indices = face_indices;
-    buffers->face_indices_len = face_indices_len;
+  buffers->face_indices = face_indices;
+  buffers->face_indices_len = face_indices_len;
 
-    return buffers;
-  }
+  return buffers;
+}
 
-  /** \} */
+/** \} */
 
-  /* -------------------------------------------------------------------- */
-  /** \name Grid PBVH
+/* -------------------------------------------------------------------- */
+/** \name Grid PBVH
  * \{ */
 
-  static void gpu_pbvh_grid_fill_index_buffers(GPU_PBVH_Buffers * buffers,
-                                               int *grid_indices,
-                                               uint visible_quad_len,
-                                               int totgrid,
-                                               int gridsize)
-  {
-    GPUIndexBufBuilder elb, elb_lines;
-    GPUIndexBufBuilder elb_fast, elb_lines_fast;
-
-    GPU_indexbuf_init(&elb, GPU_PRIM_TRIS, 2 * visible_quad_len, INT_MAX);
-    GPU_indexbuf_init(&elb_fast, GPU_PRIM_TRIS, 2 * totgrid, INT_MAX);
-    GPU_indexbuf_init(
-        &elb_lines, GPU_PRIM_LINES, 2 * totgrid * gridsize * (gridsize - 1), INT_MAX);
-    GPU_indexbuf_init(&elb_lines_fast, GPU_PRIM_LINES, 4 * totgrid, INT_MAX);
-
-    if (buffers->smooth) {
-      uint offset = 0;
-      const uint grid_vert_len = gridsize * gridsize;
-      for (int i = 0; i < totgrid; i++, offset += grid_vert_len) {
-        uint v0, v1, v2, v3;
-        bool grid_visible = false;
-
-        BLI_bitmap *gh = buffers->grid_hidden[grid_indices[i]];
-
-        for (int j = 0; j < gridsize - 1; ++j) {
-          for (int k = 0; k < gridsize - 1; ++k) {
-            /* Skip hidden grid face */
-            if (gh && paint_is_grid_face_hidden(gh, gridsize, k, j)) {
-              continue;
-            }
-            /* Indices in a Clockwise QUAD disposition. */
-            v0 = offset + j * gridsize + k;
-            v1 = v0 + 1;
-            v2 = v1 + gridsize;
-            v3 = v2 - 1;
+static void gpu_pbvh_grid_fill_index_buffers(
+    GPU_PBVH_Buffers *buffers, int *grid_indices, uint visible_quad_len, int totgrid, int gridsize)
+{
+  GPUIndexBufBuilder elb, elb_lines;
+  GPUIndexBufBuilder elb_fast, elb_lines_fast;
+
+  GPU_indexbuf_init(&elb, GPU_PRIM_TRIS, 2 * visible_quad_len, INT_MAX);
+  GPU_indexbuf_init(&elb_fast, GPU_PRIM_TRIS, 2 * totgrid, INT_MAX);
+  GPU_indexbuf_init(&elb_lines, GPU_PRIM_LINES, 2 * totgrid * gridsize * (gridsize - 1), INT_MAX);
+  GPU_indexbuf_init(&elb_lines_fast, GPU_PRIM_LINES, 4 * totgrid, INT_MAX);
+
+  if (buffers->smooth) {
+    uint offset = 0;
+    const uint grid_vert_len = gridsize * gridsize;
+    for (int i = 0; i < totgrid; i++, offset += grid_vert_len) {
+      uint v0, v1, v2, v3;
+      bool grid_visible = false;
+
+      BLI_bitmap *gh = buffers->grid_hidden[grid_indices[i]];
+
+      for (int j = 0; j < gridsize - 1; ++j) {
+        for (int k = 0; k < gridsize - 1; ++k) {
+          /* Skip hidden grid face */
+          if (gh && paint_is_grid_face_hidden(gh, gridsize, k, j)) {
+            continue;
+          }
+          /* Indices in a Clockwise QUAD disposition. */
+          v0 = offset + j * gridsize + k;
+          v1 = v0 + 1;
+          v2 = v1 + gridsize;
+          v3 = v2 - 1;
 
-            GPU_indexbuf_add_tri_verts(&elb, v0, v2, v1);
-            GPU_indexbuf_add_tri_verts(&elb, v0, v3, v2);
+          GPU_indexbuf_add_tri_verts(&elb, v0, v2, v1);
+          GPU_indexbuf_add_tri_verts(&elb, v0, v3, v2);
 
-            GPU_indexbuf_add_line_verts(&elb_lines, v0, v1);
-            GPU_indexbuf_add_line_verts(&elb_lines, v0, v3);
+          GPU_indexbuf_add_line_verts(&elb_lines, v0, v1);
+          GPU_indexbuf_add_line_verts(&elb_lines, v0, v3);
 
-            if (j + 2 == gridsize) {
-              GPU_indexbuf_add_line_verts(&elb_lines, v2, v3);
-            }
-            grid_visible = true;
+          if (j + 2 == gridsize) {
+            GPU_indexbuf_add_line_verts(&elb_lines, v2, v3);
           }
-          GPU_indexbuf_add_line_verts(&elb_lines, v1, v2);
+          grid_visible = true;
         }
+        GPU_indexbuf_add_line_verts(&elb_lines, v1, v2);
+      }
 
-        if (grid_visible) {
-          /* Grid corners */
-          v0 = offset;
-          v1 = offset + gridsize - 1;
-          v2 = offset + grid_vert_len - 1;
-          v3 = offset + grid_vert_len - gridsize;
+      if (grid_visible) {
+        /* Grid corners */
+        v0 = offset;
+        v1 = offset + gridsize - 1;
+        v2 = offset + grid_vert_len - 1;
+        v3 = offset + grid_vert_len - gridsize;
 
-          GPU_indexbuf_add_tri_verts(&elb_fast, v0, v2, v1);
-          GPU_indexbuf_add_tri_verts(&elb_fast, v0, v3, v2);
+        GPU_indexbuf_add_tri_verts(&elb_fast, v0, v2, v1);
+        GPU_indexbuf_add_tri_verts(&elb_fast, v0, v3, v2);
 
-          GPU_indexbuf_add_line_verts(&elb_lines_fast, v0, v1);
-          GPU_indexbuf_add_line_verts(&elb_lines_fast, v1, v2);
-          GPU_indexbuf_add_line_verts(&elb_lines_fast, v2, v3);
-          GPU_indexbuf_add_line_verts(&elb_lines_fast, v3, v0);
-        }
+        GPU_indexbuf_add_line_verts(&elb_lines_fast, v0, v1);
+        GPU_indexbuf_add_line_verts(&elb_lines_fast, v1, v2);
+        GPU_indexbuf_add_line_verts(&elb_lines_fast, v2, v3);
+        GPU_indexbuf_add_line_verts(&elb_lines_fast, v3, v0);
       }
     }
-    else {
-      uint offset = 0;
-      const uint grid_vert_len = SQUARE(gridsize - 1) * 4;
-      for (int i = 0; i < totgrid; i++, offset += grid_vert_len) {
-        bool grid_visible = false;
-
-        BLI_bitmap *gh = buffers->grid_hidden[grid_indices[i]];
-
-        uint v0, v1, v2, v3;
-        for (int j = 0; j < gridsize - 1; j++) {
-          for (int k = 0; k < gridsize - 1; k++) {
-            /* Skip hidden grid face */
-            if (gh && paint_is_grid_face_hidden(gh, gridsize, k, j)) {
-              continue;
-            }
-            /* VBO data are in a Clockwise QUAD disposition. */
-            v0 = offset + (j * (gridsize - 1) + k) * 4;
-            v1 = v0 + 1;
-            v2 = v0 + 2;
-            v3 = v0 + 3;
+  }
+  else {
+    uint offset = 0;
+    const uint grid_vert_len = SQUARE(gridsize - 1) * 4;
+    for (int i = 0; i < totgrid; i++, offset += grid_vert_len) {
+      bool grid_visible = false;
+
+      BLI_bitmap *gh = buffers->grid_hidden[grid_indices[i]];
+
+      uint v0, v1, v2, v3;
+      for (int j = 0; j < gridsize - 1; j++) {
+        for (int k = 0; k < gridsize - 1; k++) {
+          /* Skip hidden grid face */
+          if (gh && paint_is_grid_face_hidden(gh, gridsize, k, j)) {
+            continue;
+          }
+          /* VBO data are in a Clockwise QUAD disposition. */
+          v0 = offset + (j * (gridsize - 1) + k) * 4;
+          v1 = v0 + 1;
+          v2 = v0 + 2;
+          v3 = v0 + 3;
 
-            GPU_indexbuf_add_tri_verts(&elb, v0, v2, v1);
-            GPU_indexbuf_add_tri_verts(&elb, v0, v3, v2);
+          GPU_indexbuf_add_tri_verts(&elb, v0, v2, v1);
+          GPU_indexbuf_add_tri_verts(&elb, v0, v3, v2);
 
-            GPU_indexbuf_add_line_verts(&elb_lines, v0, v1);
-            GPU_indexbuf_add_line_verts(&elb_lines, v0, v3);
+          GPU_indexbuf_add_line_verts(&elb_lines, v0, v1);
+          GPU_indexbuf_add_line_verts(&elb_lines, v0, v3);
 
-            if (j + 2 == gridsize) {
-              GPU_indexbuf_add_line_verts(&elb_lines, v2, v3);
-            }
-            grid_visible = true;
+          if (j + 2 == gridsize) {
+            GPU_indexbuf_add_line_verts(&elb_lines, v2, v3);
           }
-          GPU_indexbuf_add_line_verts(&elb_lines, v1, v2);
+          grid_visible = true;
         }
+        GPU_indexbuf_add_line_verts(&elb_lines, v1, v2);
+      }
 
-        if (grid_visible) {
-          /* Grid corners */
-          v0 = offset;
-          v1 = offset + (gridsize - 1) * 4 - 3;
-          v2 = offset + grid_vert_len - 2;
-          v3 = offset + grid_vert_len - (gridsize - 1) * 4 + 3;
+      if (grid_visible) {
+        /* Grid corners */
+        v0 = offset;
+        v1 = offset + (gridsize - 1) * 4 - 3;
+        v2 = offset + grid_vert_len - 2;
+        v3 = offset + grid_vert_len - (gridsize - 1) * 4 + 3;
 
-          GPU_indexbuf_add_tri_verts(&elb_fast, v0, v2, v1);
-          GPU_indexbuf_add_tri_verts(&elb_fast, v0, v3, v2);
+        GPU_indexbuf_add_tri_verts(&elb_fast, v0, v2, v1);
+        GPU_indexbuf_add_tri_verts(&elb_fast, v0, v3, v2);
 
-          GPU_indexbuf_add_line_verts(&elb_lines_fast, v0, v1);
-          GPU_indexbuf_add_line_verts(&elb_lines_fast, v1, v2);
-          GPU_indexbuf_add_line_verts(&elb_lines_fast, v2, v3);
-          GPU_indexbuf_add_line_verts(&elb_lines_fast, v3, v0);
-        }
+        GPU_indexbuf_add_line_verts(&elb_lines_fast, v0, v1);
+        GPU_indexbuf_add_line_verts(&elb_lines_fast, v1, v2);
+        GPU_indexbuf_add_line_verts(&elb_lines_fast, v2, v3);
+        GPU_indexbuf_add_line_verts(&elb_lines_fast, v3, v0);
       }
     }
-
-    buffers->index_buf = GPU_indexbuf_build(&elb);
-    buffers->index_buf_fast = GPU_indexbuf_build(&elb_fast);
-    buffers->index_lines_buf = GPU_indexbuf_build(&elb_lines);
-    buffers->index_lines_buf_fast = GPU_indexbuf_build(&elb_lines_fast);
   }
 
-  void GPU_pbvh_grid_buffers_update(GPU_PBVH_Buffers * buffers,
-                                    CCGElem * *grids,
-                                    const DMFlagMat *grid_flag_mats,
-                                    int *grid_indices,
-                                    int totgrid,
-                                    const CCGKey *key,
-                                    const int update_flags)
-  {
-    const bool show_mask = (update_flags & GPU_PBVH_BUFFERS_SHOW_MASK) != 0;
-    bool empty_mask = true;
-    int i, j, k, x, y;
+  buffers->index_buf = GPU_indexbuf_build(&elb);
+  buffers->index_buf_fast = GPU_indexbuf_build(&elb_fast);
+  buffers->index_lines_buf = GPU_indexbuf_build(&elb_lines);
+  buffers->index_lines_buf_fast = GPU_indexbuf_build(&elb_lines_fast);
+}
+
+void GPU_pbvh_grid_buffers_update(GPU_PBVH_Buffers *buffers,
+                                  CCGElem **grids,
+                                  const DMFlagMat *grid_flag_mats,
+                                  int *grid_indices,
+                                  int totgrid,
+                                  const CCGKey *key,
+                                  const int update_flags)
+{
+  const bool show_mask = (update_flags & GPU_PBVH_BUFFERS_SHOW_MASK) != 0;
+  bool empty_mask = true;
+  int i, j, k, x, y;
 
-    const bool smooth = grid_flag_mats[grid_indices[0]].flag & ME_SMOOTH;
+  const bool smooth = grid_flag_mats[grid_indices[0]].flag & ME_SMOOTH;
 
-    /* Build VBO */
-    const int has_mask = key->has_mask;
-
-    uint vert_per_grid = (smooth) ? key->grid_area : (SQUARE(key->grid_size - 1) * 4);
-    uint vert_count = totgrid * vert_per_grid;
-
-    if (buffers->smooth != smooth) {
-      buffers->smooth = smooth;
-      GPU_BATCH_DISCARD_SAFE(buffers->triangles);
-      GPU_BATCH_DISCARD_SAFE(buffers->triangles_fast);
-      GPU_BATCH_DISCARD_SAFE(buffers->lines);
-      GPU_BATCH_DISCARD_SAFE(buffers->lines_fast);
-
-      GPU_INDEXBUF_DISCARD_SAFE(buffers->index_buf);
-      GPU_INDEXBUF_DISCARD_SAFE(buffers->index_buf_fast);
-      GPU_INDEXBUF_DISCARD_SAFE(buffers->index_lines_buf);
-      GPU_INDEXBUF_DISCARD_SAFE(buffers->index_lines_buf_fast);
-    }
+  /* Build VBO */
+  const int has_mask = key->has_mask;
 
-    if (buffers->index_buf == NULL) {
-      uint visible_quad_len = BKE_pbvh_count_grid_quads(
-          (BLI_bitmap **)buffers->grid_hidden, grid_indices, totgrid, key->grid_size);
+  uint vert_per_grid = (smooth) ? key->grid_area : (SQUARE(key->grid_size - 1) * 4);
+  uint vert_count = totgrid * vert_per_grid;
 
-      /* totally hidden node, return here to avoid BufferData with zero below. */
-      if (visible_quad_len == 0) {
-        return;
-      }
+  if (buffers->smooth != smooth) {
+    buffers->smooth = smooth;
+    GPU_BATCH_DISCARD_SAFE(buffers->triangles);
+    GPU_BATCH_DISCARD_SAFE(buffers->triangles_fast);
+    GPU_BATCH_DISCARD_SAFE(buffers->lines);
+    GPU_BATCH_DISCARD_SAFE(buffers->lines_fast);
+
+    GPU_INDEXBUF_DISCARD_SAFE(buffers->index_buf);
+    GPU_INDEXBUF_DISCARD_SAFE(buffers->index_buf_fast);
+    GPU_INDEXBUF_DISCARD_SAFE(buffers->index_lines_buf);
+    GPU_INDEXBUF_DISCARD_SAFE(buffers->index_lines_buf_fast);
+  }
+
+  if (buffers->index_buf == NULL) {
+    uint visible_quad_len = BKE_pbvh_count_grid_quads(
+        (BLI_bitmap **)buffers->grid_hidden, grid_indices, totgrid, key->grid_size);
 
-      gpu_pbvh_grid_fill_index_buffers(
-          buffers, grid_indices, visible_quad_len, totgrid, key->grid_size);
+    /* totally hidden node, return here to avoid BufferData with zero below. */
+    if (visible_quad_len == 0) {
+      return;
     }
 
-    uint vbo_index_offset = 0;
-    /* Build VBO */
-    if (gpu_pbvh_vert_buf_data_set(buffers, vert_count)) {
-      GPUIndexBufBuilder elb_lines;
+    gpu_pbvh_grid_fill_index_buffers(
+        buffers, grid_indices, visible_quad_len, totgrid, key->grid_size);
+  }
 
-      if (buffers->index_lines_buf == NULL) {
-        GPU_indexbuf_init(&elb_lines, GPU_PRIM_LINES, totgrid * key->grid_area * 2, vert_count);
-      }
+  uint vbo_index_offset = 0;
+  /* Build VBO */
+  if (gpu_pbvh_vert_buf_data_set(buffers, vert_count)) {
+    GPUIndexBufBuilder elb_lines;
 
-      for (i = 0; i < totgrid; ++i) {
-        CCGElem *grid = grids[grid_indices[i]];
-        int vbo_index = vbo_index_offset;
-
-        if (buffers->smooth) {
-          for (y = 0; y < key->grid_size; y++) {
-            for (x = 0; x < key->grid_size; x++) {
-              CCGElem *elem = CCG_grid_elem(key, grid, x, y);
-              GPU_vertbuf_attr_set(
-                  buffers->vert_buf, g_vbo_id.pos, vbo_index, CCG_elem_co(key, elem));
-
-              short no_short[3];
-              normal_float_to_short_v3(no_short, CCG_elem_no(key, elem));
-              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.nor, vbo_index, no_short);
-
-              if (has_mask && show_mask) {
-                float fmask = *CCG_elem_mask(key, elem);
-                GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.msk, vbo_index, &fmask);
-                empty_mask = empty_mask && (fmask == 0.0f);
-              }
-              vbo_index += 1;
+    if (buffers->index_lines_buf == NULL) {
+      GPU_indexbuf_init(&elb_lines, GPU_PRIM_LINES, totgrid * key->grid_area * 2, vert_count);
+    }
+
+    for (i = 0; i < totgrid; ++i) {
+      CCGElem *grid = grids[grid_indices[i]];
+      int vbo_index = vbo_index_offset;
+
+      if (buffers->smooth) {
+        for (y = 0; y < key->grid_size; y++) {
+          for (x = 0; x < key->grid_size; x++) {
+            CCGElem *elem = CCG_grid_elem(key, grid, x, y);
+            GPU_vertbuf_attr_set(
+                buffers->vert_buf, g_vbo_id.pos, vbo_index, CCG_elem_co(key, elem));
+
+            short no_short[3];
+            normal_float_to_short_v3(no_short, CCG_elem_no(key, elem));
+            GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.nor, vbo_index, no_short);
+
+            if (has_mask && show_mask) {
+              float fmask = *CCG_elem_mask(key, elem);
+              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.msk, vbo_index, &fmask);
+              empty_mask = empty_mask && (fmask == 0.0f);
             }
+            vbo_index += 1;
           }
-          vbo_index_offset += key->grid_area;
         }
-        else {
-          for (j = 0; j < key->grid_size - 1; j++) {
-            for (k = 0; k < key->grid_size - 1; k++) {
-              CCGElem *elems[4] = {
-                  CCG_grid_elem(key, grid, k, j),
-                  CCG_grid_elem(key, grid, k + 1, j),
-                  CCG_grid_elem(key, grid, k + 1, j + 1),
-                  CCG_grid_elem(key, grid, k, j + 1),
-              };
-              float *co[4] = {
-                  CCG_elem_co(key, elems[0]),
-                  CCG_elem_co(key, elems[1]),
-                  CCG_elem_co(key, elems[2]),
-                  CCG_elem_co(key, elems[3]),
-              };
-
-              float fno[3];
-              short no_short[3];
-              /* Note: Clockwise indices ordering, that's why we invert order here. */
-              normal_quad_v3(fno, co[3], co[2], co[1], co[0]);
-              normal_float_to_short_v3(no_short, fno);
-
-              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.pos, vbo_index + 0, co[0]);
-              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.nor, vbo_index + 0, no_short);
-              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.pos, vbo_index + 1, co[1]);
-              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.nor, vbo_index + 1, no_short);
-              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.pos, vbo_index + 2, co[2]);
-              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.nor, vbo_index + 2, no_short);
-              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.pos, vbo_index + 3, co[3]);
-              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.nor, vbo_index + 3, no_short);
-
-              if (has_mask && show_mask) {
-                float fmask = (*CCG_elem_mask(key, elems[0]) + *CCG_elem_mask(key, elems[1]) +
-                               *CCG_elem_mask(key, elems[2]) + *CCG_elem_mask(key, elems[3])) *
-                              0.25f;
-                GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.msk, vbo_index + 0, &fmask);
-                GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.msk, vbo_index + 1, &fmask);
-                GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.msk, vbo_index + 2, &fmask);
-                GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.msk, vbo_index + 3, &fmask);
-                empty_mask = empty_mask && (fmask == 0.0f);
-              }
-              vbo_index += 4;
+        vbo_index_offset += key->grid_area;
+      }
+      else {
+        for (j = 0; j < key->grid_size - 1; j++) {
+          for (k = 0; k < key->grid_size - 1; k++) {
+            CCGElem *elems[4] = {
+                CCG_grid_elem(key, grid, k, j),
+                CCG_grid_elem(key, grid, k + 1, j),
+                CCG_grid_elem(key, grid, k + 1, j + 1),
+                CCG_grid_elem(key, grid, k, j + 1),
+            };
+            float *co[4] = {
+                CCG_elem_co(key, elems[0]),
+                CCG_elem_co(key, elems[1]),
+                CCG_elem_co(key, elems[2]),
+                CCG_elem_co(key, elems[3]),
+            };
+
+            float fno[3];
+            short no_short[3];
+            /* Note: Clockwise indices ordering, that's why we invert order here. */
+            normal_quad_v3(fno, co[3], co[2], co[1], co[0]);
+            normal_float_to_short_v3(no_short, fno);
+
+            GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.pos, vbo_index + 0, co[0]);
+            GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.nor, vbo_index + 0, no_short);
+            GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.pos, vbo_index + 1, co[1]);
+            GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.nor, vbo_index + 1, no_short);
+            GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.pos, vbo_index + 2, co[2]);
+            GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.nor, vbo_index + 2, no_short);
+            GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.pos, vbo_index + 3, co[3]);
+            GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.nor, vbo_index + 3, no_short);
+
+            if (has_mask && show_mask) {
+              float fmask = (*CCG_elem_mask(key, elems[0]) + *CCG_elem_mask(key, elems[1]) +
+                             *CCG_elem_mask(key, elems[2]) + *CCG_elem_mask(key, elems[3])) *
+                            0.25f;
+              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.msk, vbo_index + 0, &fmask);
+              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.msk, vbo_index + 1, &fmask);
+              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.msk, vbo_index + 2, &fmask);
+              GPU_vertbuf_attr_set(buffers->vert_buf, g_vbo_id.msk, vbo_index + 3, &fmask);
+              empty_mask = empty_mask && (fmask == 0.0f);
             }
+            vbo_index += 4;
           }
-          vbo_index_offset += SQUARE(key->grid_size - 1) * 4;
         }
+        vbo_index_offset += SQUARE(key->grid_size - 1) * 4;
       }
-
-      gpu_pbvh_batch_init(buffers, GPU_PRIM_TRIS);
     }
 
-    buffers->grids = grids;
-    buffers->grid_indices = grid_indices;
-    buffers->totgrid = totgrid;
-    buffers->grid_flag_mats = grid_flag_mats;
-    buffers->gridkey = *key;
-    buffers->show_mask = !empty_mask;
-
-    //printf("node updated %p\n", buffers);
+    gpu_pbvh_batch_init(buffers, GPU_PRIM_TRIS);
   }
 
-  GPU_PBVH_Buffers *GPU_pbvh_grid_buffers_build(int totgrid, BLI_bitmap **grid_hidden)
-  {
-    GPU_PBVH_Buffers *buffers;
+  buffers->grids = grids;
+  buffers->grid_indices = grid_indices;
+  buffers->totgrid = totgrid;
+  buffers->grid_flag_mats = grid_flag_mats;
+  buffers->gridkey = *key;
+  buffers->show_mask = !empty_mask;
+
+  //printf("node updated %p\n", buffers);
+}
 
-    buffers = MEM_callocN(sizeof(GPU_PBVH_Buffers), "GPU_Buffers");
-    buffers->grid_hidden = grid_hidden;
-    buffers->totgrid = totgrid;
+GPU_PBVH_Buffers *GPU_pbvh_grid_buffers_build(int totgrid, BLI_bitmap **grid_hidden)
+{
+  GPU_PBVH_Buffers *buffers;
 
-    buffers->show_mask = false;
+  buffers = MEM_callocN(sizeof(GPU_PBVH_Buffers), "GPU_Buffers");
+  buffers->grid_hidden = grid_hidden;
+  buffers->totgrid = totgrid;
 
-    return buffers;
-  }
+  buffers->show_mask = false;
+
+  return buffers;
+}
 
 #undef FILL_QUAD_BUFFER
 
-  /** \} */
+/** \} */
 
-  /* -------------------------------------------------------------------- */
-  /** \name BMesh PBVH
+/* -------------------------------------------------------------------- */
+/** \name BMesh PBVH
  * \{ */
 
-  /* Output a BMVert into a VertexBufferFormat array
+/* Output a BMVert into a VertexBufferFormat array
  *
  * The vertex is skipped if hidden, otherwise the output goes into
  * index '*v_index' in the 'vert_data' array and '*v_index' is
  * incremented.
  */
-  static void gpu_bmesh_vert_to_buffer_copy__gwn(BMVert * v,
-                                                 GPUVertBuf * vert_buf,
-                                                 int *v_index,
-                                                 const float fno[3],
-                                                 const float *fmask,
-                                                 const int cd_vert_mask_offset,
-                                                 const bool show_mask,
-                                                 bool *empty_mask)
-  {
-    if (!BM_elem_flag_test(v, BM_ELEM_HIDDEN)) {
+static void gpu_bmesh_vert_to_buffer_copy__gwn(BMVert *v,
+                                               GPUVertBuf *vert_buf,
+                                               int *v_index,
+                                               const float fno[3],
+                                               const float *fmask,
+                                               const int cd_vert_mask_offset,
+                                               const bool show_mask,
+                                               bool *empty_mask)
+{
+  if (!BM_elem_flag_test(v, BM_ELEM_HIDDEN)) {
 
-      /* Set coord, normal, and mask */
-      GPU_vertbuf_attr_set(vert_buf, g_vbo_id.pos, *v_index, v->co);
+    /* Set coord, normal, and mask */
+    GPU_vertbuf_attr_set(vert_buf, g_vbo_id.pos, *v_index, v->co);
 
-      short no_short[3];
-      normal_float_to_short_v3(no_short, fno ? fno : v->no);
-      GPU_vertbuf_attr_set(vert_buf, g_vbo_id.nor, *v_index, no_short);
+    short no_short[3];
+    normal_float_to_short_v3(no_short, fno ? fno : v->no);
+    GPU_vertbuf_attr_set(vert_buf, g_vbo_id.nor, *v_index, no_short);
 
-      if (show_mask) {
-        float effective_mask = fmask ? *fmask : BM_ELEM_CD_GET_FLOAT(v, cd_vert_mask_offset);
-        GPU_vertbuf_attr_set(vert_buf, g_vbo_id.msk, *v_index, &effective_mask);
-        *empty_mask = *empty_mask && (effective_mask == 0.0f);
-      }
+    if (show_mask) {
+      float effective_mask = fmask ? *fmask : BM_ELEM_CD_GET_FLOAT(v, cd_vert_mask_offset);
+      GPU_vertbuf_attr_set(vert_buf, g_vbo_id.msk, *v_index, &effective_mask);
+      *empty_mask = *empty_mask && (effective_mask == 0.0f);
+    }
 
-      /* Assign index for use in the triangle index buffer */
-      /* note: caller must set:  bm->elem_index_dirty |= BM_VERT; */
-      BM_elem_index_set(v, (*v_index)); /* set_dirty! */
+    /* Assign index for use in the triangle index buffer */
+    /* note: caller must set:  bm->elem_index_dirty |= BM_VERT; */
+    BM_elem_index_set(v, (*v_index)); /* set_dirty! */
 
-      (*v_index)++;
-    }
+    (*v_index)++;
   }
+}
 
-  /* Return the total number of vertices that don't have BM_ELEM_HIDDEN set */
-  static int gpu_bmesh_vert_visible_count(GSet * bm_unique_verts, GSet * bm_other_verts)
-  {
-    GSetIterator gs_iter;
-    int totvert = 0;
-
-    GSET_ITER (gs_iter, bm_unique_verts) {
-      BMVert *v = BLI_gsetIterator_getKey(&gs_iter);
-      if (!BM_elem_flag_test(v, BM_ELEM_HIDDEN))
-        totvert++;
-    }
-    GSET_ITER (gs_iter, bm_other_verts) {
-      BMVert *v = BLI_gsetIterator_getKey(&gs_iter);
-      if (!BM_elem_flag_test(v, BM_ELEM_HIDDEN))
-        totvert++;
-    }
+/* Return the total number of vertices that don't have BM_ELEM_HIDDEN set */
+static int gpu_bmesh_vert_visible_count(GSet *bm_unique_verts, GSet *bm_other_verts)
+{
+  GSetIterator gs_iter;
+  int totvert = 0;
 
-    return totvert;
+  GSET_ITER (gs_iter, bm_unique_verts) {
+    BMVert *v = BLI_gsetIterator_getKey(&gs_iter);
+    if (!BM_elem_flag_test(v, BM_ELEM_HIDDEN))
+      totvert++;
+  }
+  GSET_ITER (gs_iter, bm_other_verts) {
+    BMVert *v = BLI_gsetIterator_getKey(&gs_iter);
+    if (!BM_elem_flag_test(v, BM_ELEM_HIDDEN))
+      totvert++;
   }
 
-  /* Return the total number of visible faces */
-  static int gpu_bmesh_face_visible_count(GSet * bm_faces)
-  {
-    GSetIterator gh_iter;
-    int totface = 0;
+  return totvert;
+}
 
-    GSET_ITER (gh_iter, bm_faces) {
-      BMFace *f = BLI_gsetIterator_getKey(&gh_iter);
+/* Return the total number of visible faces */
+static int gpu_bmesh_face_visible_count(GSet *bm_faces)
+{
+  GSetIterator gh_iter;
+  int totface = 0;
 
-      if (!BM_elem_flag_test(f, BM_ELEM_HIDDEN))
-        totface++;
-    }
+  GSET_ITER (gh_iter, bm_faces) {
+    BMFace *f = BLI_gsetIterator_getKey(&gh_iter);
 
-    return totface;
+    if (!BM_elem_flag_test(f, BM_ELEM_HIDDEN))
+      totface++;
   }
 
-  /* Creates a vertex buffer (coordinate, normal, color) and, if smooth
+  return totface;
+}
+
+/* Creates a vertex buffer (coordinate, normal, color) and, if smooth
  * shading, an element index buffer. */
-  void GPU_pbvh_bmesh_buffers_update(GPU_PBVH_Buffers * buffers,
-                                     BMesh * bm,
-                                     GSet * bm_faces,
-                                     GSet * bm_unique_verts,
-                                     GSet * bm_other_verts,
-                                     const int update_flags)
-  {
-    const bool show_mask = (update_flags & GPU_PBVH_BUFFERS_SHOW_MASK) != 0;
-    int tottri, totvert, maxvert = 0;
-    bool empty_mask = true;
+void GPU_pbvh_bmesh_buffers_update(GPU_PBVH_Buffers *buffers,
+                                   BMesh *bm,
+                                   GSet *bm_faces,
+                                   GSet *bm_unique_verts,
+                                   GSet *bm_other_verts,
+                                   const int update_flags)
+{
+  const bool show_mask = (update_flags & GPU_PBVH_BUFFERS_SHOW_MASK) != 0;
+  int tottri, totvert, maxvert = 0;
+  bool empty_mask = true;
 
-    /* TODO, make mask layer optional for bmesh buffer */
-    const int cd_vert_mask_offset = CustomData_get_offset(&bm->vdata, CD_PAINT_MASK);
+  /* TODO, make mask layer optional for bmesh buffer */
+  const int cd_vert_mask_offset = CustomData_get_offset(&bm->vdata, CD_PAINT_MASK);
 
-    /* Count visible triangles */
-    tottri = gpu_bmesh_face_visible_count(bm_faces);
+  /* Count visible triangles */
+  tottri = gpu_bmesh_face_visible_count(bm_faces);
 
-    if (buffers->smooth) {
-      /* Smooth needs to recreate index buffer, so we have to invalidate the batch. */
-      GPU_BATCH_DISCARD_SAFE(buffers->triangles);
-      GPU_BATCH_DISCARD_SAFE(buffers->lines);
-      GPU_INDEXBUF_DISCARD_SAFE(buffers->index_lines_buf);
-      GPU_INDEXBUF_DISCARD_SAFE(buffers->index_buf);
-      /* Count visible vertices */
-      totvert = gpu_bmesh_vert_visible_count(bm_unique_verts, bm_other_verts);
-    }
-    else {
-      GPU_BATCH_DISCARD_SAFE(buffers->lines);
-      GPU_INDEXBUF_DISCARD_SAFE(buffers->index_lines_buf);
-      totvert = tottri * 3;
-    }
+  if (buffers->smooth) {
+    /* Smooth needs to recreate index buffer, so we have to invalidate the batch. */
+    GPU_BATCH_DISCARD_SAFE(buffers->triangles);
+    GPU_BATCH_DISCARD_SAFE(buffers->lines);
+    GPU_INDEXBUF_DISCARD_SAFE(buffers->index_lines_buf);
+    GPU_INDEXBUF_DISCARD_SAFE(buffers->index_buf);
+    /* Count visible vertices */
+    totvert = gpu_bmesh_vert_visible_count(bm_unique_verts, bm_other_verts);
+  }
+  else {
+    GPU_BATCH_DISCARD_SAFE(buffers->lines);
+    GPU_INDEXBUF_DISCARD_SAFE(buffers->index_lines_buf);
+    totvert = tottri * 3;
+  }
 
-    if (!tottri) {
-      buffers->tot_tri = 0;
-      return;
-    }
+  if (!tottri) {
+    buffers->tot_tri = 0;
+    return;
+  }
 
-    /* Fill vertex buffer */
-    if (gpu_pbvh_vert_buf_data_set(buffers, totvert)) {
-      int v_index = 0;
+  /* Fill vertex buffer */
+  if (gpu_pbvh_vert_buf_data_set(buffers, totvert)) {
+    int v_index = 0;
 
-      if (buffers->smooth) {
-        GSetIterator gs_iter;
+    if (buffers->smooth) {
+      GSetIterator gs_iter;
 
-        /* Vertices get an index assigned for use in the triangle
+      /* Vertices get an index assigned for use in the triangle
        * index buffer */
-        bm->elem_index_dirty |= BM_VERT;
-
-        GSET_ITER (gs_iter, bm_unique_verts) {
-          gpu_bmesh_vert_to_buffer_copy__gwn(BLI_gsetIterator_getKey(&gs_iter),
-                                             buffers->vert_buf,
-                                             &v_index,
-                                             NULL,
-                                             NULL,
-                                             cd_vert_mask_offset,
-                                             show_mask,
-                                             &empty_mask);
-        }
+      bm->elem_index_dirty |= BM_VERT;
 
-        GSET_ITER (gs_iter, bm_other_verts) {
-          gpu_bmesh_vert_to_buffer_copy__gwn(BLI_gsetIterator_getKey(&gs_iter),
-                                             buffers->vert_buf,
-                                             &v_index,
-                                             NULL,
-                                             NULL,
-                                             cd_vert_mask_offset,
-                                             show_mask,
-                                             &empty_mask);
-        }
+      GSET_ITER (gs_iter, bm_unique_verts) {
+        gpu_bmesh_vert_to_buffer_copy__gwn(BLI_gsetIterator_getKey(&gs_iter),
+                                           buffers->vert_buf,
+                                           &v_index,
+                                           NULL,
+                                           NULL,
+                                           cd_vert_mask_offset,
+                                           show_mask,
+                                           &empty_mask);
+      }
 
-        maxvert = v_index;
+      GSET_ITER (gs_iter, bm_other_verts) {
+        gpu_bmesh_vert_to_buffer_copy__gwn(BLI_gsetIterator_getKey(&gs_iter),
+                                           buffers->vert_buf,
+                                           &v_index,
+                                           NULL,
+                                           NULL,
+                                           cd_vert_mask_offset,
+                                           show_mask,
+                                           &empty_mask);
       }
-      else {
-        GSetIterator gs_iter;
 
-        GPUIndexBufBuilder elb_lines;
-        GPU_indexbuf_init(&elb_lines, GPU_PRIM_LINES, tottri * 3, totvert);
+      maxvert = v_index;
+    }
+    else {
+      GSetIterator gs_iter;
+
+      GPUIndexBufBuilder elb_lines;
+      GPU_indexbuf_init(&elb_lines, GPU_PRIM_LINES, tottri * 3, totvert);
 
-        GSET_ITER (gs_iter, bm_faces) {
-          BMFace *f = BLI_gsetIterator_getKey(&gs_iter);
+      GSET_ITER (gs_iter, bm_faces) {
+        BMFace *f = BLI_gsetIterator_getKey(&gs_iter);
 
-          BLI_assert(f->len == 3);
+        BLI_assert(f->len == 3);
 
-          if (!BM_elem_flag_test(f, BM_ELEM_HIDDEN)) {
-            BMVert *v[3];
-            float fmask = 0.0f;
-            int i;
+        if (!BM_elem_flag_test(f, BM_ELEM_HIDDEN)) {
+          BMVert *v[3];
+          float fmask = 0.0f;
+          int i;
 
-            BM_face_as_array_vert_tri(f, v);
+          BM_face_as_array_vert_tri(f, v);
 
-            /* Average mask value */
-            for (i = 0; i < 3; i++) {
-              fmask += BM_ELEM_CD_GET_FLOAT(v[i], cd_vert_mask_offset);
-            }
-            fmask /= 3.0f;
-
-            GPU_indexbuf_add_line_verts(&elb_lines, v_index + 0, v_index + 1);
-            GPU_indexbuf_add_line_verts(&elb_lines, v_index + 1, v_index + 2);
-            GPU_indexbuf_add_line_verts(&elb_lines, v_index + 2, v_index + 0);
-
-            for (i = 0; i < 3; i++) {
-              gpu_bmesh_vert_to_buffer_copy__gwn(v[i],
-                                                 buffers->vert_buf,
-                                                 &v_index,
-                                                 f->no,
-                                                 &fmask,
-                                                 cd_vert_mask_offset,
-                                                 show_mask,
-                                                 &empty_mask);
-            }
+          /* Average mask value */
+          for (i = 0; i < 3; i++) {
+            fmask += BM_ELEM_CD_GET_FLOAT(v[i], cd_vert_mask_offset);
+          }
+          fmask /= 3.0f;
+
+          GPU_indexbuf_add_line_verts(&elb_lines, v_index + 0, v_index + 1);
+          GPU_indexbuf_add_line_verts(&elb_lines, v_index + 1, v_index + 2);
+          GPU_indexbuf_add_line_verts(&elb_lines, v_index + 2, v_index + 0);
+
+          for (i = 0; i < 3; i++) {
+            gpu_bmesh_vert_to_buffer_copy__gwn(v[i],
+                                               buffers->vert_buf,
+                                               &v_index,
+                                               f->no,
+                                               &fmask,
+                                               cd_vert_mask_offset,
+                                               show_mask,
+                                               &empty_mask);
           }
         }
-
-        buffers->index_lines_buf = GPU_indexbuf_build(&elb_lines);
-        buffers->tot_tri = tottri;
       }
 
-      /* gpu_bmesh_vert_to_buffer_copy sets dirty index values */
-      bm->elem_index_dirty |= BM_VERT;
-    }
-    else {
-      /* Memory map failed */
-      return;
+      buffers->index_lines_buf = GPU_indexbuf_build(&elb_lines);
+      buffers->tot_tri = tottri;
     }
 
-    if (buffers->smooth) {
-      /* Fill the triangle buffer */
-      GPUIndexBufBuilder elb, elb_lines;
-      GPU_indexbuf_init(&elb, GPU_PRIM_TRIS, tottri, maxvert);
-      GPU_indexbuf_init(&elb_lines, GPU_PRIM_LINES, tottri * 3, maxvert);
-
-      /* Fill triangle index buffer */
-      {
-        GSetIterator gs_iter;
+    /* gpu_bmesh_vert_to_buffer_copy sets dirty index values */
+    bm->elem_index_dirty |= BM_VERT;
+  }
+  else {
+    /* Memory map failed */
+    return;
+  }
 
-        GSET_ITER (gs_iter, bm_faces) {
-          BMFace *f = BLI_gsetIterator_getKey(&gs_iter);
+  if (buffers->smooth) {
+    /* Fill the triangle buffer */
+    GPUIndexBufBuilder elb, elb_lines;
+    GPU_indexbuf_init(&elb, GPU_PRIM_TRIS, tottri, maxvert);
+    GPU_indexbuf_init(&elb_lines, GPU_PRIM_LINES, tottri * 3, maxvert);
 
-          if (!BM_elem_flag_test(f, BM_ELEM_HIDDEN)) {
-            BMVert *v[3];
+    /* Fill triangle index buffer */
+    {
+      GSetIterator gs_iter;
 
-            BM_face_as_array_vert_tri(f, v);
+      GSET_ITER (gs_iter, bm_faces) {
+        BMFace *f = BLI_gsetIterator_getKey(&gs_iter);
 
-            uint idx[3] = {
-                BM_elem_index_get(v[0]), BM_elem_index_get(v[1]), BM_elem_index_get(v[2])};
-            GPU_indexbuf_add_tri_verts(&elb, idx[0], idx[1], idx[2]);
+        if (!BM_elem_flag_test(f, BM_ELEM_HIDDEN)) {
+          BMVert *v[3];
 
-            GPU_indexbuf_add_line_verts(&elb_lines, idx[0], idx[1]);
-            GPU_indexbuf_add_line_verts(&elb_lines, idx[1], idx[2]);
-            GPU_indexbuf_add_line_verts(&elb_lines, idx[2], idx[0]);
-          }
-        }
+          BM_face_as_array_vert_tri(f, v);
 
-        buffers->tot_tri = tottri;
+          uint idx[3] = {
+              BM_elem_index_get(v[0]), BM_elem_index_get(v[1]), BM_elem_index_get(v[2])};
+          GPU_indexbuf_add_tri_verts(&elb, idx[0], idx[1], idx[2]);
 
-        if (buffers->index_buf == NULL) {
-          buffers->index_buf = GPU_indexbuf_build(&elb);
-        }
-        else {
-          GPU_indexbuf_build_in_place(&elb, buffers->index_buf);
+          GPU_indexbuf_add_line_verts(&elb_lines, idx[0], idx[1]);
+          GPU_indexbuf_add_line_verts(&elb_lines, idx[1], idx[2]);
+          GPU_indexbuf_add_line_verts(&elb_lines, idx[2], idx[0]);
         }
+      }
 
-        buffers->index_lines_buf = GPU_indexbuf_build(&elb_lines);
+      buffers->tot_tri = tottri;
+
+      if (buffers->index_buf == NULL) {
+        buffers->index_buf = GPU_indexbuf_build(&elb);
+      }
+      else {
+        GPU_indexbuf_build_in_place(&elb, buffers->index_buf);
       }
+
+      buffers->index_lines_buf = GPU_indexbuf_build(&elb_lines);
     }
+  }
 
-    buffers->show_mask = !empty_mask;
+  buffers->show_mask = !empty_mask;
 
-    gpu_pbvh_batch_init(buffers, GPU_PRIM_TRIS);
-  }
+  gpu_pbvh_batch_init(buffers, GPU_PRIM_TRIS);
+}
 
-  /** \} */
+/** \} */
 
-  /* -------------------------------------------------------------------- */
-  /** \name Generic
+/* -------------------------------------------------------------------- */
+/** \name Generic
  * \{ */
 
-  GPU_PBVH_Buffers *GPU_pbvh_bmesh_buffers_build(bool smooth_shading)
-  {
-    GPU_PBVH_Buffers *buffers;
+GPU_PBVH_Buffers *GPU_pbvh_bmesh_buffers_build(bool smooth_shading)
+{
+  GPU_PBVH_Buffers *buffers;
 
-    buffers = MEM_callocN(sizeof(GPU_PBVH_Buffers), "GPU_Buffers");
-    buffers->use_bmesh = true;
-    buffers->smooth = smooth_shading;
-    buffers->show_mask = true;
+  buffers = MEM_callocN(sizeof(GPU_PBVH_Buffers), "GPU_Buffers");
+  buffers->use_bmesh = true;
+  buffers->smooth = smooth_shading;
+  buffers->show_mask = true;
 
-    return buffers;
-  }
+  return buffers;
+}
 
-  GPUBatch *GPU_pbvh_buffers_batch_get(GPU_PBVH_Buffers * buffers, bool fast, bool wires)
-  {
-    if (wires) {
-      return (fast && buffers->lines_fast) ? buffers->lines_fast : buffers->lines;
-    }
-    else {
-      return (fast && buffers->triangles_fast) ? buffers->triangles_fast : buffers->triangles;
-    }
+GPUBatch *GPU_pbvh_buffers_batch_get(GPU_PBVH_Buffers *buffers, bool fast, bool wires)
+{
+  if (wires) {
+    return (fast && buffers->lines_fast) ? buffers->lines_fast : buffers->lines;
   }
-
-  bool GPU_pbvh_buffers_has_mask(GPU_PBVH_Buffers * buffers)
-  {
-    return buffers->show_mask;
+  else {
+    return (fast && buffers->triangles_fast) ? buffers->triangles_fast : buffers->triangles;
   }
+}
 
-  void GPU_pbvh_buffers_free(GPU_PBVH_Buffers * buffers)
-  {
-    if (buffers) {
-      GPU_BATCH_DISCARD_SAFE(buffers->lines);
-      GPU_BATCH_DISCARD_SAFE(buffers->lines_fast);
-      GPU_BATCH_DISCARD_SAFE(buffers->triangles);
-      GPU_BATCH_DISCARD_SAFE(buffers->triangles_fast);
-      GPU_INDEXBUF_DISCARD_SAFE(buffers->index_lines_buf_fast);
-      GPU_INDEXBUF_DISCARD_SAFE(buffers->index_lines_buf);
-      GPU_INDEXBUF_DISCARD_SAFE(buffers->index_buf_fast);
-      GPU_INDEXBUF_DISCARD_SAFE(buffers->index_buf);
-      GPU_VERTBUF_DISCARD_SAFE(buffers->vert_buf);
-
-      MEM_freeN(buffers);
-    }
+bool GPU_pbvh_buffers_has_mask(GPU_PBVH_Buffers *buffers)
+{
+  return buffers->show_mask;
+}
+
+void GPU_pbvh_buffers_free(GPU_PBVH_Buffers *buffers)
+{
+  if (buffers) {
+    GPU_BATCH_DISCARD_SAFE(buffers->lines);
+    GPU_BATCH_DISCARD_SAFE(buffers->lines_fast);
+    GPU_BATCH_DISCARD_SAFE(buffers->triangles);
+    GPU_BATCH_DISCARD_SAFE(buffers->triangles_fast);
+    GPU_INDEXBUF_DISCARD_SAFE(buffers->index_lines_buf_fast);
+    GPU_INDEXBUF_DISCARD_SAFE(buffers->index_lines_buf);
+    GPU_INDEXBUF_DISCARD_SAFE(buffers->index_buf_fast);
+    GPU_INDEXBUF_DISCARD_SAFE(buffers->index_buf);
+    GPU_VERTBUF_DISCARD_SAFE(buffers->vert_buf);
+
+    MEM_freeN(buffers);
   }
+}
 
-  /** \} */
+/** \} */
 
-  /* -------------------------------------------------------------------- */
-  /** \name Debug
+/* -------------------------------------------------------------------- */
+/** \name Debug
  * \{ */
 
-  /* debug function, draws the pbvh BB */
-  void GPU_pbvh_BB_draw(float min[3], float max[3], bool leaf, uint pos)
-  {
-    if (leaf)
-      immUniformColor4f(0.0, 1.0, 0.0, 0.5);
-    else
-      immUniformColor4f(1.0, 0.0, 0.0, 0.5);
+/* debug function, draws the pbvh BB */
+void GPU_pbvh_BB_draw(float min[3], float max[3], bool leaf, uint pos)
+{
+  if (leaf)
+    immUniformColor4f(0.0, 1.0, 0.0, 0.5);
+  else
+    immUniformColor4f(1.0, 0.0, 0.0, 0.5);
 
-    /* TODO(merwin): revisit this after we have mutable VertexBuffers
+  /* TODO(merwin): revisit this after we have mutable VertexBuffers
    * could keep a static batch & index buffer, change the VBO contents per draw
    */
 
-    immBegin(GPU_PRIM_LINES, 24);
+  immBegin(GPU_PRIM_LINES, 24);
 
-    /* top */
-    immVertex3f(pos, min[0], min[1], max[2]);
-    immVertex3f(pos, min[0], max[1], max[2]);
+  /* top */
+  immVertex3f(pos, min[0], min[1], max[2]);
+  immVertex3f(pos, min[0], max[1], max[2]);
 
-    immVertex3f(pos, min[0], max[1], max[2]);
-    immVertex3f(pos, max[0], max[1], max[2]);
+  immVertex3f(pos, min[0], max[1], max[2]);
+  immVertex3f(pos, max[0], max[1], max[2]);
 
-    immVertex3f(pos, max[0], max[1], max[2]);
-    immVertex3f(pos, max[0], min[1], max[2]);
+  immVertex3f(pos, max[0], max[1], max[2]);
+  immVertex3f(pos, max[0], min[1], max[2]);
 
-    immVertex3f(pos, max[0], min[1], max[2]);
-    immVertex3f(pos, min[0], min[1], max[2]);
+  immVertex3f(pos, max[0], min[1], max[2]);
+  immVertex3f(pos, min[0], min[1], max[2]);
 
-    /* bottom */
-    immVertex3f(pos, min[0], min[1], min[2]);
-    immVertex3f(pos, min[0], max[1], min[2]);
+  /* bottom */
+  immVertex3f(pos, min[0], min[1], min[2]);
+  immVertex3f(pos, min[0], max[1], min[2]);
 
-    immVertex3f(pos, min[0], max[1], min[2]);
-    immVertex3f(pos, max[0], max[1], min[2]);
+  immVertex3f(pos, min[0], max[1], min[2]);
+  immVertex3f(pos, max[0], max[1], min[2]);
 
-    immVertex3f(pos, max[0], max[1], min[2]);
-    immVertex3f(pos, max[0], min[1], min[2]);
+  immVertex3f(pos, max[0], max[1], min[2]);
+  immVertex3f(pos, max[0], min[1], min[2]);
 
-    immVertex3f(pos, max[0], min[1], min[2]);
-    immVertex3f(pos, min[0], min[1], min[2]);
+  immVertex3f(pos, max[0], min[1], min[2]);
+  immVertex3f(pos, min[0], min[1], min[2]);
 
-    /* sides */
-    immVertex3f(pos, min[0], min[1], min[2]);
-    immVertex3f(pos, min[0], min[1], max[2]);
+  /* sides */
+  immVertex3f(pos, min[0], min[1], min[2]);
+  immVertex3f(pos, min[0], min[1], max[2]);
 
-    immVertex3f(pos, min[0], max[1], min[2]);
-    immVertex3f(pos, min[0], max[1], max[2]);
+  immVertex3f(pos, min[0], max[1], min[2]);
+  immVertex3f(pos, min[0], max[1], max[2]);
 
-    immVertex3f(pos, max[0], max[1], min[2]);
-    immVertex3f(pos, max[0], max[1], max[2]);
+  immVertex3f(pos, max[0], max[1], min[2]);
+  immVertex3f(pos, max[0], max[1], max[2]);
 
-    immVertex3f(pos, max[0], min[1], min[2]);
-    immVertex3f(pos, max[0], min[1], max[2]);
+  immVertex3f(pos, max[0], min[1], min[2]);
+  immVertex3f(pos, max[0], min[1], max[2]);
 
-    immEnd();
-  }
+  immEnd();
+}
 
-  /** \} */
+/** \} */
 
-  void GPU_pbvh_fix_linking()
-  {
-  }
+void GPU_pbvh_fix_linking()
+{
+}