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#pragma BLENDER_REQUIRE(common_gpencil_lib.glsl)
#pragma BLENDER_REQUIRE(common_view_lib.glsl)
#pragma BLENDER_REQUIRE(eevee_attributes_lib.glsl)
#pragma BLENDER_REQUIRE(eevee_surf_lib.glsl)
#pragma BLENDER_REQUIRE(eevee_velocity_lib.glsl)
void main()
{
init_interface();
/* TODO(fclem): Expose through a node? */
vec4 sspos;
vec2 aspect;
float strength;
float hardness;
vec2 thickness;
gl_Position = gpencil_vertex(
/* TODO */
vec4(1024.0, 1024.0, 1.0 / 1024.0, 1.0 / 1024.0),
interp.P,
interp.N,
g_color,
strength,
g_uvs,
sspos,
aspect,
thickness,
hardness);
#ifdef MAT_VELOCITY
/* GPencil do not support deformation motion blur. */
vec3 lP_curr = transform_point(ModelMatrixInverse, interp.P);
/* FIXME(fclem): Evaluating before displacement avoid displacement being treated as motion but
* ignores motion from animated displacement. Supporting animated displacement motion vectors
* would require evaluating the nodetree multiple time with different nodetree UBOs evaluated at
* different times, but also with different attributes (maybe we could assume static attribute at
* least). */
velocity_vertex(lP_curr, lP_curr, lP_curr, motion.prev, motion.next);
#endif
init_globals();
attrib_load();
interp.P += nodetree_displacement();
}
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