def gather_sampler(blender_shader_node: bpy.types.Node, export_settings):
wrap_s, wrap_t = __gather_wrap(blender_shader_node, export_settings)
sampler = gltf2_io.Sampler(
extensions=__gather_extensions(blender_shader_node, export_settings),
extras=__gather_extras(blender_shader_node, export_settings),
mag_filter=__gather_mag_filter(blender_shader_node, export_settings),
min_filter=__gather_min_filter(blender_shader_node, export_settings),
name=__gather_name(blender_shader_node, export_settings),
wrap_s=wrap_s,
wrap_t=wrap_t,
)
export_user_extensions('gather_sampler_hook', export_settings, sampler,
blender_shader_node)
if not sampler.extensions and not sampler.extras and not sampler.name:
return __sampler_by_value(
sampler.mag_filter,
sampler.min_filter,
sampler.wrap_s,
sampler.wrap_t,
export_settings,
)
return sampler
def __sampler_by_value(mag_filter, min_filter, wrap_s, wrap_t,
export_settings):
# @cached function to dedupe samplers with the same settings.
return gltf2_io.Sampler(
extensions=None,
extras=None,
mag_filter=mag_filter,
min_filter=min_filter,
name=None,
wrap_s=wrap_s,
wrap_t=wrap_t,
)
def gather_sampler(blender_shader_node: bpy.types.Node, export_settings):
if not __filter_sampler(blender_shader_node, export_settings):
return None
return gltf2_io.Sampler(
extensions=__gather_extensions(blender_shader_node, export_settings),
extras=__gather_extras(blender_shader_node, export_settings),
mag_filter=__gather_mag_filter(blender_shader_node, export_settings),
min_filter=__gather_min_filter(blender_shader_node, export_settings),
name=__gather_name(blender_shader_node, export_settings),
wrap_s=__gather_wrap_s(blender_shader_node, export_settings),
wrap_t=__gather_wrap_t(blender_shader_node, export_settings))
def gather_sampler_from_texture_slot(blender_texture: bpy.types.TextureSlot,
export_settings):
magFilter = 9729
wrap = 10497
if blender_texture.texture.extension == 'EXTEND':
wrap = 33071
minFilter = 9986
if magFilter == 9728:
minFilter = 9984
return gltf2_io.Sampler(extensions=None,
extras=None,
mag_filter=magFilter,
min_filter=minFilter,
name=None,
wrap_s=wrap,
wrap_t=wrap)
