diff options
Diffstat (limited to 'source/blender/draw/engines/overlay/shaders/paint_point_vert.glsl')
-rw-r--r-- | source/blender/draw/engines/overlay/shaders/paint_point_vert.glsl | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/source/blender/draw/engines/overlay/shaders/paint_point_vert.glsl b/source/blender/draw/engines/overlay/shaders/paint_point_vert.glsl new file mode 100644 index 00000000000..9d102bd4295 --- /dev/null +++ b/source/blender/draw/engines/overlay/shaders/paint_point_vert.glsl @@ -0,0 +1,32 @@ + +in vec3 pos; +in vec4 nor; /* select flag on the 4th component */ + +out vec4 finalColor; + +void main() +{ + GPU_INTEL_VERTEX_SHADER_WORKAROUND + + bool is_select = (nor.w > 0.0); + bool is_hidden = (nor.w < 0.0); + + 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); + } + + finalColor = (is_select) ? vec4(1.0) : colorWire; + finalColor.a = nor.w; + + gl_PointSize = sizeVertex * 2.0; + +#ifdef USE_WORLD_CLIP_PLANES + world_clip_planes_calc_clip_distance(world_pos); +#endif +} |