Wireframe: Optimization: Only draw triangles that have edges

This only happens after a certain threshold.

We sort triangles into 2 bins (start and end of the buffer) based on a
threshold and just draw the start bin if the wireframe slider is low enough.

This optimization is disabled for deformed meshes.

This should help resolve (to some extent) T58188.

1 files changed, 3 insertions, 3 deletions

diff --git a/source/blender/draw/intern/draw_cache_impl.h b/source/blender/draw/intern/draw_cache_impl.h
index 720d54ad011..5e2061f7fe5 100644
--- a/source/blender/draw/intern/draw_cache_impl.h
+++ b/source/blender/draw/intern/draw_cache_impl.h
@@ -77,13 +77,13 @@ struct GPUBatch **DRW_curve_batch_cache_get_surface_shaded(
         struct GPUMaterial **gpumat_array, uint gpumat_array_len);
 void DRW_curve_batch_cache_get_wireframes_face_texbuf(
         struct Curve *cu, struct CurveCache *ob_curve_cache,
-        struct GPUTexture **verts_data, struct GPUTexture **face_indices, int *tri_count);
+        struct GPUTexture **verts_data, struct GPUTexture **face_indices, int *tri_count, bool reduce_len);
 
 /* Metaball */
 struct GPUBatch *DRW_metaball_batch_cache_get_triangles_with_normals(struct Object *ob);
 struct GPUBatch **DRW_metaball_batch_cache_get_surface_shaded(struct Object *ob, struct MetaBall *mb, struct GPUMaterial **gpumat_array, uint gpumat_array_len);
 void DRW_metaball_batch_cache_get_wireframes_face_texbuf(
-        struct Object *ob, struct GPUTexture **verts_data, struct GPUTexture **face_indices, int *tri_count);
+        struct Object *ob, struct GPUTexture **verts_data, struct GPUTexture **face_indices, int *tri_count, bool reduce_len);
 
 /* Curve (Font) */
 struct GPUBatch *DRW_curve_batch_cache_get_overlay_cursor(struct Curve *cu);
@@ -162,7 +162,7 @@ struct GPUBatch *DRW_mesh_batch_cache_get_edges_with_select_id(struct Mesh *me,
 struct GPUBatch *DRW_mesh_batch_cache_get_verts_with_select_id(struct Mesh *me, uint select_id_offset);
 /* Object mode Wireframe overlays */
 void DRW_mesh_batch_cache_get_wireframes_face_texbuf(
-        struct Mesh *me, struct GPUTexture **verts_data, struct GPUTexture **face_indices, int *tri_count);
+        struct Mesh *me, struct GPUTexture **verts_data, struct GPUTexture **face_indices, int *tri_count, bool reduce_len);
 
 void DRW_mesh_cache_sculpt_coords_ensure(struct Mesh *me);