diff options
Diffstat (limited to 'source/blender/draw/engines/overlay/shaders/paint_wire_vert.glsl')
-rw-r--r-- | source/blender/draw/engines/overlay/shaders/paint_wire_vert.glsl | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/source/blender/draw/engines/overlay/shaders/paint_wire_vert.glsl b/source/blender/draw/engines/overlay/shaders/paint_wire_vert.glsl new file mode 100644 index 00000000000..d5a42d2d309 --- /dev/null +++ b/source/blender/draw/engines/overlay/shaders/paint_wire_vert.glsl @@ -0,0 +1,38 @@ + +uniform bool useSelect; + +in vec3 pos; +in vec4 nor; /* flag stored in w */ + +flat out vec4 finalColor; + +void main() +{ + GPU_INTEL_VERTEX_SHADER_WORKAROUND + + bool is_select = (nor.w > 0.0) && useSelect; + bool is_hidden = (nor.w < 0.0) && useSelect; + + vec3 world_pos = point_object_to_world(pos); + gl_Position = point_world_to_ndc(world_pos); + /* Add offset in Z to avoid zfighting and render selected wires on top. */ + /* TODO scale this bias using znear and zfar range. */ + gl_Position.z -= (is_select ? 2e-4 : 1e-4); + + if (is_hidden) { + gl_Position = vec4(-2.0, -2.0, -2.0, 1.0); + } + + const vec4 colSel = vec4(1.0); + + finalColor = (is_select) ? colSel : colorWire; + + /* Weight paint needs a light color to contrasts with dark weights. */ + if (!useSelect) { + finalColor = vec4(1.0, 1.0, 1.0, 0.3); + } + +#ifdef USE_WORLD_CLIP_PLANES + world_clip_planes_calc_clip_distance(world_pos); +#endif +} |