Overlay Engine: Armature: Use Wire AA on custom bone loose edges

1 files changed, 29 insertions, 0 deletions

diff --git a/source/blender/draw/engines/overlay/shaders/armature_shape_wire_vert.glsl b/source/blender/draw/engines/overlay/shaders/armature_shape_wire_vert.glsl
new file mode 100644
index 00000000000..27dc2d24831
--- /dev/null
+++ b/source/blender/draw/engines/overlay/shaders/armature_shape_wire_vert.glsl
@@ -0,0 +1,29 @@
+
+/* ---- Instantiated Attrs ---- */
+in vec3 pos;
+in vec3 nor;
+
+/* ---- Per instance Attrs ---- */
+in mat4 inst_obmat;
+
+out vec4 finalColor;
+flat out vec2 edgeStart;
+noperspective out vec2 edgePos;
+
+void main()
+{
+  vec4 bone_color, state_color;
+  mat4 model_mat = extract_matrix_packed_data(inst_obmat, state_color, bone_color);
+
+  vec3 world_pos = (model_mat * vec4(pos, 1.0)).xyz;
+  gl_Position = point_world_to_ndc(world_pos);
+
+  finalColor.rgb = mix(state_color.rgb, bone_color.rgb, 0.5);
+  finalColor.a = 1.0;
+
+  edgeStart = edgePos = ((gl_Position.xy / gl_Position.w) * 0.5 + 0.5) * sizeViewport.xy;
+
+#ifdef USE_WORLD_CLIP_PLANES
+  world_clip_planes_calc_clip_distance(world_pos);
+#endif
+}