diff options
Diffstat (limited to 'source/blender/draw/intern/shaders/common_subdiv_vbo_lnor_comp.glsl')
| -rw-r--r-- | source/blender/draw/intern/shaders/common_subdiv_vbo_lnor_comp.glsl | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/source/blender/draw/intern/shaders/common_subdiv_vbo_lnor_comp.glsl b/source/blender/draw/intern/shaders/common_subdiv_vbo_lnor_comp.glsl index 8b4a5dd14f3..c3aa74ec18c 100644 --- a/source/blender/draw/intern/shaders/common_subdiv_vbo_lnor_comp.glsl +++ b/source/blender/draw/intern/shaders/common_subdiv_vbo_lnor_comp.glsl @@ -13,9 +13,14 @@ layout(std430, binding = 2) readonly buffer extraCoarseFaceData layout(std430, binding = 3) writeonly buffer outputLoopNormals { - vec3 output_lnor[]; + LoopNormal output_lnor[]; }; +bool is_face_selected(uint coarse_quad_index) +{ + return (extra_coarse_face_data[coarse_quad_index] & coarse_face_select_mask) != 0; +} + void main() { /* We execute for each quad. */ @@ -34,7 +39,7 @@ void main() /* Face is smooth, use vertex normals. */ for (int i = 0; i < 4; i++) { PosNorLoop pos_nor_loop = pos_nor[start_loop_index + i]; - output_lnor[start_loop_index + i] = get_vertex_nor(pos_nor_loop); + output_lnor[start_loop_index + i] = get_normal_and_flag(pos_nor_loop); } } else { @@ -50,8 +55,19 @@ void main() add_newell_cross_v3_v3v3(face_normal, v3, v0); face_normal = normalize(face_normal); + + LoopNormal loop_normal; + loop_normal.nx = face_normal.x; + loop_normal.ny = face_normal.y; + loop_normal.nz = face_normal.z; + loop_normal.flag = 0.0; + + if (is_face_selected(coarse_quad_index)) { + loop_normal.flag = 1.0; + } + for (int i = 0; i < 4; i++) { - output_lnor[start_loop_index + i] = face_normal; + output_lnor[start_loop_index + i] = loop_normal; } } } |