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classes/class_rdaccelerationstructureinstance.rst
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classes/class_rdaccelerationstructureinstance.rst
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:github_url: hide
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.. DO NOT EDIT THIS FILE!!!
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.. Generated automatically from Godot engine sources.
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.. Generator: https://github.com/godotengine/godot/tree/master/doc/tools/make_rst.py.
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.. XML source: https://github.com/godotengine/godot/tree/master/doc/classes/RDAccelerationStructureInstance.xml.
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.. _class_RDAccelerationStructureInstance:
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RDAccelerationStructureInstance
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===============================
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**Inherits:** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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Acceleration structure instance (used by :ref:`RenderingDevice<class_RenderingDevice>`).
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.. rst-class:: classref-introduction-group
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Description
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-----------
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**RDAccelerationStructureInstance** describes an instance of a Bottom-Level Acceleration Structure (BLAS) used in the :ref:`RenderingDevice.tlas_build()<class_RenderingDevice_method_tlas_build>` method.
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.. rst-class:: classref-reftable-group
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Properties
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----------
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.. table::
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:widths: auto
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+------------------------------------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------+-----------------------------------------------------+
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| :ref:`RID<class_RID>` | :ref:`blas<class_RDAccelerationStructureInstance_property_blas>` | ``RID()`` |
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+------------------------------------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------+-----------------------------------------------------+
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| |bitfield|\[:ref:`AccelerationStructureInstanceFlagBits<enum_RenderingDevice_AccelerationStructureInstanceFlagBits>`\] | :ref:`flags<class_RDAccelerationStructureInstance_property_flags>` | ``0`` |
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+------------------------------------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------+-----------------------------------------------------+
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| :ref:`int<class_int>` | :ref:`hit_sbt_range<class_RDAccelerationStructureInstance_property_hit_sbt_range>` | ``0`` |
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+------------------------------------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------+-----------------------------------------------------+
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| :ref:`int<class_int>` | :ref:`id<class_RDAccelerationStructureInstance_property_id>` | ``0`` |
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+------------------------------------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------+-----------------------------------------------------+
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| :ref:`int<class_int>` | :ref:`mask<class_RDAccelerationStructureInstance_property_mask>` | ``255`` |
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+------------------------------------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------+-----------------------------------------------------+
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| :ref:`Transform3D<class_Transform3D>` | :ref:`transform<class_RDAccelerationStructureInstance_property_transform>` | ``Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0)`` |
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+------------------------------------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------+-----------------------------------------------------+
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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Property Descriptions
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---------------------
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.. _class_RDAccelerationStructureInstance_property_blas:
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.. rst-class:: classref-property
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:ref:`RID<class_RID>` **blas** = ``RID()`` :ref:`🔗<class_RDAccelerationStructureInstance_property_blas>`
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.. rst-class:: classref-property-setget
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- |void| **set_blas**\ (\ value\: :ref:`RID<class_RID>`\ )
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- :ref:`RID<class_RID>` **get_blas**\ (\ )
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The BLAS referenced by this instance. If ``null``, the instance is treated as a placeholder but still contributes to ``gl_InstanceIndex`` in GLSL.
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.. rst-class:: classref-item-separator
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----
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.. _class_RDAccelerationStructureInstance_property_flags:
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.. rst-class:: classref-property
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|bitfield|\[:ref:`AccelerationStructureInstanceFlagBits<enum_RenderingDevice_AccelerationStructureInstanceFlagBits>`\] **flags** = ``0`` :ref:`🔗<class_RDAccelerationStructureInstance_property_flags>`
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.. rst-class:: classref-property-setget
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- |void| **set_flags**\ (\ value\: |bitfield|\[:ref:`AccelerationStructureInstanceFlagBits<enum_RenderingDevice_AccelerationStructureInstanceFlagBits>`\]\ )
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- |bitfield|\[:ref:`AccelerationStructureInstanceFlagBits<enum_RenderingDevice_AccelerationStructureInstanceFlagBits>`\] **get_flags**\ (\ )
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Flags for the instance.
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.. rst-class:: classref-item-separator
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----
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.. _class_RDAccelerationStructureInstance_property_hit_sbt_range:
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.. rst-class:: classref-property
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:ref:`int<class_int>` **hit_sbt_range** = ``0`` :ref:`🔗<class_RDAccelerationStructureInstance_property_hit_sbt_range>`
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.. rst-class:: classref-property-setget
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- |void| **set_hit_sbt_range**\ (\ value\: :ref:`int<class_int>`\ )
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- :ref:`int<class_int>` **get_hit_sbt_range**\ (\ )
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Hit shader binding table range used for this instance, allocated using the :ref:`RenderingDevice.hit_sbt_range_alloc()<class_RenderingDevice_method_hit_sbt_range_alloc>` method.
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.. rst-class:: classref-item-separator
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----
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.. _class_RDAccelerationStructureInstance_property_id:
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.. rst-class:: classref-property
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:ref:`int<class_int>` **id** = ``0`` :ref:`🔗<class_RDAccelerationStructureInstance_property_id>`
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.. rst-class:: classref-property-setget
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- |void| **set_id**\ (\ value\: :ref:`int<class_int>`\ )
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- :ref:`int<class_int>` **get_id**\ (\ )
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Custom instance ID that can be accessed in GLSL using ``gl_InstanceCustomIndexEXT``.
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.. rst-class:: classref-item-separator
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----
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.. _class_RDAccelerationStructureInstance_property_mask:
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.. rst-class:: classref-property
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:ref:`int<class_int>` **mask** = ``255`` :ref:`🔗<class_RDAccelerationStructureInstance_property_mask>`
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.. rst-class:: classref-property-setget
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- |void| **set_mask**\ (\ value\: :ref:`int<class_int>`\ )
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- :ref:`int<class_int>` **get_mask**\ (\ )
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Visibility mask used to control which rays can intersect this instance.
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.. rst-class:: classref-item-separator
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----
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.. _class_RDAccelerationStructureInstance_property_transform:
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.. rst-class:: classref-property
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:ref:`Transform3D<class_Transform3D>` **transform** = ``Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0)`` :ref:`🔗<class_RDAccelerationStructureInstance_property_transform>`
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.. rst-class:: classref-property-setget
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- |void| **set_transform**\ (\ value\: :ref:`Transform3D<class_Transform3D>`\ )
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- :ref:`Transform3D<class_Transform3D>` **get_transform**\ (\ )
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Transform applied to the referenced BLAS for this instance.
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.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
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.. |required| replace:: :abbr:`required (This method is required to be overridden when extending its base class.)`
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.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
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.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
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.. |constructor| replace:: :abbr:`constructor (This method is used to construct a type.)`
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.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`
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.. |operator| replace:: :abbr:`operator (This method describes a valid operator to use with this type as left-hand operand.)`
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.. |bitfield| replace:: :abbr:`BitField (This value is an integer composed as a bitmask of the following flags.)`
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.. |void| replace:: :abbr:`void (No return value.)`
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