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godot-docs-l10n/classes/it/class_rdshaderspirv.rst
2025-09-30 13:31:55 +02:00

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.. _class_RDShaderSPIRV:
RDShaderSPIRV
=============
**Eredita:** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
Rappresentazione intermedia in SPIR-V, come parte di un :ref:`RDShaderFile<class_RDShaderFile>` (utilizzato da :ref:`RenderingDevice<class_RenderingDevice>`).
.. rst-class:: classref-introduction-group
Descrizione
----------------------
**RDShaderSPIRV** rappresenta il codice `SPIR-V <https://www.khronos.org/spir/>`__ di un :ref:`RDShaderFile<class_RDShaderFile>` per le varie fasi di uno shader, nonché possibili messaggi di errore di compilazione. SPIR-V è una rappresentazione intermedia di basso livello per gli shader. Questa rappresentazione intermedia non è utilizzata direttamente dalle GPU per il rendering, ma è possibile compilarla in shader binari che le GPU possono comprendere. A differenza degli shader compilati, SPIR-V è portabile tra modelli di GPU e versioni di driver.
Questo oggetto è utilizzato da :ref:`RenderingDevice<class_RenderingDevice>`.
.. rst-class:: classref-reftable-group
Proprietà
------------------
.. table::
:widths: auto
+-----------------------------------------------+----------------------------------------------------------------------------------------------------------------+-----------------------+
| :ref:`PackedByteArray<class_PackedByteArray>` | :ref:`bytecode_compute<class_RDShaderSPIRV_property_bytecode_compute>` | ``PackedByteArray()`` |
+-----------------------------------------------+----------------------------------------------------------------------------------------------------------------+-----------------------+
| :ref:`PackedByteArray<class_PackedByteArray>` | :ref:`bytecode_fragment<class_RDShaderSPIRV_property_bytecode_fragment>` | ``PackedByteArray()`` |
+-----------------------------------------------+----------------------------------------------------------------------------------------------------------------+-----------------------+
| :ref:`PackedByteArray<class_PackedByteArray>` | :ref:`bytecode_tesselation_control<class_RDShaderSPIRV_property_bytecode_tesselation_control>` | ``PackedByteArray()`` |
+-----------------------------------------------+----------------------------------------------------------------------------------------------------------------+-----------------------+
| :ref:`PackedByteArray<class_PackedByteArray>` | :ref:`bytecode_tesselation_evaluation<class_RDShaderSPIRV_property_bytecode_tesselation_evaluation>` | ``PackedByteArray()`` |
+-----------------------------------------------+----------------------------------------------------------------------------------------------------------------+-----------------------+
| :ref:`PackedByteArray<class_PackedByteArray>` | :ref:`bytecode_vertex<class_RDShaderSPIRV_property_bytecode_vertex>` | ``PackedByteArray()`` |
+-----------------------------------------------+----------------------------------------------------------------------------------------------------------------+-----------------------+
| :ref:`String<class_String>` | :ref:`compile_error_compute<class_RDShaderSPIRV_property_compile_error_compute>` | ``""`` |
+-----------------------------------------------+----------------------------------------------------------------------------------------------------------------+-----------------------+
| :ref:`String<class_String>` | :ref:`compile_error_fragment<class_RDShaderSPIRV_property_compile_error_fragment>` | ``""`` |
+-----------------------------------------------+----------------------------------------------------------------------------------------------------------------+-----------------------+
| :ref:`String<class_String>` | :ref:`compile_error_tesselation_control<class_RDShaderSPIRV_property_compile_error_tesselation_control>` | ``""`` |
+-----------------------------------------------+----------------------------------------------------------------------------------------------------------------+-----------------------+
| :ref:`String<class_String>` | :ref:`compile_error_tesselation_evaluation<class_RDShaderSPIRV_property_compile_error_tesselation_evaluation>` | ``""`` |
+-----------------------------------------------+----------------------------------------------------------------------------------------------------------------+-----------------------+
| :ref:`String<class_String>` | :ref:`compile_error_vertex<class_RDShaderSPIRV_property_compile_error_vertex>` | ``""`` |
+-----------------------------------------------+----------------------------------------------------------------------------------------------------------------+-----------------------+
.. rst-class:: classref-reftable-group
Metodi
------------
.. table::
:widths: auto
+-----------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`PackedByteArray<class_PackedByteArray>` | :ref:`get_stage_bytecode<class_RDShaderSPIRV_method_get_stage_bytecode>`\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`\ ) |const| |
+-----------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`String<class_String>` | :ref:`get_stage_compile_error<class_RDShaderSPIRV_method_get_stage_compile_error>`\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`\ ) |const| |
+-----------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_stage_bytecode<class_RDShaderSPIRV_method_set_stage_bytecode>`\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`, bytecode\: :ref:`PackedByteArray<class_PackedByteArray>`\ ) |
+-----------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| |void| | :ref:`set_stage_compile_error<class_RDShaderSPIRV_method_set_stage_compile_error>`\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`, compile_error\: :ref:`String<class_String>`\ ) |
+-----------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Descrizioni delle proprietà
------------------------------------------------------
.. _class_RDShaderSPIRV_property_bytecode_compute:
.. rst-class:: classref-property
:ref:`PackedByteArray<class_PackedByteArray>` **bytecode_compute** = ``PackedByteArray()`` :ref:`🔗<class_RDShaderSPIRV_property_bytecode_compute>`
.. rst-class:: classref-property-setget
- |void| **set_stage_bytecode**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`, bytecode\: :ref:`PackedByteArray<class_PackedByteArray>`\ )
- :ref:`PackedByteArray<class_PackedByteArray>` **get_stage_bytecode**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`\ ) |const|
Il bytecode in SPIR-V per la fase di calcolo dello shader.
**Note:** The returned array is *copied* and any changes to it will not update the original property value. See :ref:`PackedByteArray<class_PackedByteArray>` for more details.
.. rst-class:: classref-item-separator
----
.. _class_RDShaderSPIRV_property_bytecode_fragment:
.. rst-class:: classref-property
:ref:`PackedByteArray<class_PackedByteArray>` **bytecode_fragment** = ``PackedByteArray()`` :ref:`🔗<class_RDShaderSPIRV_property_bytecode_fragment>`
.. rst-class:: classref-property-setget
- |void| **set_stage_bytecode**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`, bytecode\: :ref:`PackedByteArray<class_PackedByteArray>`\ )
- :ref:`PackedByteArray<class_PackedByteArray>` **get_stage_bytecode**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`\ ) |const|
Il bytecode in SPIR-V per la fase di frammento dello shader.
**Note:** The returned array is *copied* and any changes to it will not update the original property value. See :ref:`PackedByteArray<class_PackedByteArray>` for more details.
.. rst-class:: classref-item-separator
----
.. _class_RDShaderSPIRV_property_bytecode_tesselation_control:
.. rst-class:: classref-property
:ref:`PackedByteArray<class_PackedByteArray>` **bytecode_tesselation_control** = ``PackedByteArray()`` :ref:`🔗<class_RDShaderSPIRV_property_bytecode_tesselation_control>`
.. rst-class:: classref-property-setget
- |void| **set_stage_bytecode**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`, bytecode\: :ref:`PackedByteArray<class_PackedByteArray>`\ )
- :ref:`PackedByteArray<class_PackedByteArray>` **get_stage_bytecode**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`\ ) |const|
Il bytecode in SPIR-V per la fase di controllo della tassellatura dello shader.
**Note:** The returned array is *copied* and any changes to it will not update the original property value. See :ref:`PackedByteArray<class_PackedByteArray>` for more details.
.. rst-class:: classref-item-separator
----
.. _class_RDShaderSPIRV_property_bytecode_tesselation_evaluation:
.. rst-class:: classref-property
:ref:`PackedByteArray<class_PackedByteArray>` **bytecode_tesselation_evaluation** = ``PackedByteArray()`` :ref:`🔗<class_RDShaderSPIRV_property_bytecode_tesselation_evaluation>`
.. rst-class:: classref-property-setget
- |void| **set_stage_bytecode**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`, bytecode\: :ref:`PackedByteArray<class_PackedByteArray>`\ )
- :ref:`PackedByteArray<class_PackedByteArray>` **get_stage_bytecode**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`\ ) |const|
Il bytecode in SPIR-V per la fase di valutazione della tassellatura dello shader.
**Note:** The returned array is *copied* and any changes to it will not update the original property value. See :ref:`PackedByteArray<class_PackedByteArray>` for more details.
.. rst-class:: classref-item-separator
----
.. _class_RDShaderSPIRV_property_bytecode_vertex:
.. rst-class:: classref-property
:ref:`PackedByteArray<class_PackedByteArray>` **bytecode_vertex** = ``PackedByteArray()`` :ref:`🔗<class_RDShaderSPIRV_property_bytecode_vertex>`
.. rst-class:: classref-property-setget
- |void| **set_stage_bytecode**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`, bytecode\: :ref:`PackedByteArray<class_PackedByteArray>`\ )
- :ref:`PackedByteArray<class_PackedByteArray>` **get_stage_bytecode**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`\ ) |const|
Il bytecode in SPIR-V per la fase di vertice dello shader.
**Note:** The returned array is *copied* and any changes to it will not update the original property value. See :ref:`PackedByteArray<class_PackedByteArray>` for more details.
.. rst-class:: classref-item-separator
----
.. _class_RDShaderSPIRV_property_compile_error_compute:
.. rst-class:: classref-property
:ref:`String<class_String>` **compile_error_compute** = ``""`` :ref:`🔗<class_RDShaderSPIRV_property_compile_error_compute>`
.. rst-class:: classref-property-setget
- |void| **set_stage_compile_error**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`, compile_error\: :ref:`String<class_String>`\ )
- :ref:`String<class_String>` **get_stage_compile_error**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`\ ) |const|
Il messaggio di errore di compilazione per la fase di calcolo dello shader (impostato dal compilatore SPIR-V e da Godot). Se vuoto, la compilazione dello shader è riuscita.
.. rst-class:: classref-item-separator
----
.. _class_RDShaderSPIRV_property_compile_error_fragment:
.. rst-class:: classref-property
:ref:`String<class_String>` **compile_error_fragment** = ``""`` :ref:`🔗<class_RDShaderSPIRV_property_compile_error_fragment>`
.. rst-class:: classref-property-setget
- |void| **set_stage_compile_error**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`, compile_error\: :ref:`String<class_String>`\ )
- :ref:`String<class_String>` **get_stage_compile_error**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`\ ) |const|
Il messaggio di errore di compilazione per la fase di frammento dello shader (impostato dal compilatore SPIR-V e da Godot). Se vuoto, la compilazione dello shader è riuscita.
.. rst-class:: classref-item-separator
----
.. _class_RDShaderSPIRV_property_compile_error_tesselation_control:
.. rst-class:: classref-property
:ref:`String<class_String>` **compile_error_tesselation_control** = ``""`` :ref:`🔗<class_RDShaderSPIRV_property_compile_error_tesselation_control>`
.. rst-class:: classref-property-setget
- |void| **set_stage_compile_error**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`, compile_error\: :ref:`String<class_String>`\ )
- :ref:`String<class_String>` **get_stage_compile_error**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`\ ) |const|
Il messaggio di errore di compilazione per la fase di controllo della tassellatura dello shader (impostato dal compilatore SPIR-V e da Godot). Se vuoto, la compilazione dello shader è riuscita.
.. rst-class:: classref-item-separator
----
.. _class_RDShaderSPIRV_property_compile_error_tesselation_evaluation:
.. rst-class:: classref-property
:ref:`String<class_String>` **compile_error_tesselation_evaluation** = ``""`` :ref:`🔗<class_RDShaderSPIRV_property_compile_error_tesselation_evaluation>`
.. rst-class:: classref-property-setget
- |void| **set_stage_compile_error**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`, compile_error\: :ref:`String<class_String>`\ )
- :ref:`String<class_String>` **get_stage_compile_error**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`\ ) |const|
Il messaggio di errore di compilazione per la fase di valutazione della tassellatura dello shader (impostato dal compilatore SPIR-V e da Godot). Se vuoto, la compilazione dello shader è riuscita.
.. rst-class:: classref-item-separator
----
.. _class_RDShaderSPIRV_property_compile_error_vertex:
.. rst-class:: classref-property
:ref:`String<class_String>` **compile_error_vertex** = ``""`` :ref:`🔗<class_RDShaderSPIRV_property_compile_error_vertex>`
.. rst-class:: classref-property-setget
- |void| **set_stage_compile_error**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`, compile_error\: :ref:`String<class_String>`\ )
- :ref:`String<class_String>` **get_stage_compile_error**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`\ ) |const|
Il messaggio di errore di compilazione per la fase di vertice dello shader (impostato dal compilatore SPIR-V e da Godot). Se vuoto, la compilazione dello shader è riuscita.
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
Descrizioni dei metodi
--------------------------------------------
.. _class_RDShaderSPIRV_method_get_stage_bytecode:
.. rst-class:: classref-method
:ref:`PackedByteArray<class_PackedByteArray>` **get_stage_bytecode**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`\ ) |const| :ref:`🔗<class_RDShaderSPIRV_method_get_stage_bytecode>`
Equivale a ottenere uno tra :ref:`bytecode_compute<class_RDShaderSPIRV_property_bytecode_compute>`, :ref:`bytecode_fragment<class_RDShaderSPIRV_property_bytecode_fragment>`, :ref:`bytecode_tesselation_control<class_RDShaderSPIRV_property_bytecode_tesselation_control>`, :ref:`bytecode_tesselation_evaluation<class_RDShaderSPIRV_property_bytecode_tesselation_evaluation>`, :ref:`bytecode_vertex<class_RDShaderSPIRV_property_bytecode_vertex>`.
.. rst-class:: classref-item-separator
----
.. _class_RDShaderSPIRV_method_get_stage_compile_error:
.. rst-class:: classref-method
:ref:`String<class_String>` **get_stage_compile_error**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`\ ) |const| :ref:`🔗<class_RDShaderSPIRV_method_get_stage_compile_error>`
Restituisce il messaggio di errore di compilazione per la fase ``stage`` dello shader. Equivale a ottenere uno tra :ref:`compile_error_compute<class_RDShaderSPIRV_property_compile_error_compute>`, :ref:`compile_error_fragment<class_RDShaderSPIRV_property_compile_error_fragment>`, :ref:`compile_error_tesselation_control<class_RDShaderSPIRV_property_compile_error_tesselation_control>`, :ref:`compile_error_tesselation_evaluation<class_RDShaderSPIRV_property_compile_error_tesselation_evaluation>`, :ref:`compile_error_vertex<class_RDShaderSPIRV_property_compile_error_vertex>`.
.. rst-class:: classref-item-separator
----
.. _class_RDShaderSPIRV_method_set_stage_bytecode:
.. rst-class:: classref-method
|void| **set_stage_bytecode**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`, bytecode\: :ref:`PackedByteArray<class_PackedByteArray>`\ ) :ref:`🔗<class_RDShaderSPIRV_method_set_stage_bytecode>`
Imposta il bytecode in SPIR-V per la fase ``stage`` dello shader su ``bytecode``. Equivale a impostare uno tra :ref:`bytecode_compute<class_RDShaderSPIRV_property_bytecode_compute>`, :ref:`bytecode_fragment<class_RDShaderSPIRV_property_bytecode_fragment>`, :ref:`bytecode_tesselation_control<class_RDShaderSPIRV_property_bytecode_tesselation_control>`, :ref:`bytecode_tesselation_evaluation<class_RDShaderSPIRV_property_bytecode_tesselation_evaluation>`, :ref:`bytecode_vertex<class_RDShaderSPIRV_property_bytecode_vertex>`.
.. rst-class:: classref-item-separator
----
.. _class_RDShaderSPIRV_method_set_stage_compile_error:
.. rst-class:: classref-method
|void| **set_stage_compile_error**\ (\ stage\: :ref:`ShaderStage<enum_RenderingDevice_ShaderStage>`, compile_error\: :ref:`String<class_String>`\ ) :ref:`🔗<class_RDShaderSPIRV_method_set_stage_compile_error>`
Imposta il messaggio di errore di compilazione per la fase ``stage`` dello shader su ``compile_error``. Equivale a impostare uno tra :ref:`compile_error_compute<class_RDShaderSPIRV_property_compile_error_compute>`, :ref:`compile_error_fragment<class_RDShaderSPIRV_property_compile_error_fragment>`, :ref:`compile_error_tesselation_control<class_RDShaderSPIRV_property_compile_error_tesselation_control>`, :ref:`compile_error_tesselation_evaluation<class_RDShaderSPIRV_property_compile_error_tesselation_evaluation>`, :ref:`compile_error_vertex<class_RDShaderSPIRV_property_compile_error_vertex>`.
.. |virtual| replace:: :abbr:`virtual (Questo metodo dovrebbe solitamente essere sovrascritto dall'utente per aver un effetto.)`
.. |required| replace:: :abbr:`required (This method is required to be overridden when extending its base class.)`
.. |const| replace:: :abbr:`const (Questo metodo non ha effetti collaterali. Non modifica alcuna variabile appartenente all'istanza.)`
.. |vararg| replace:: :abbr:`vararg (Questo metodo accetta qualsiasi numero di argomenti oltre a quelli descritti qui.)`
.. |constructor| replace:: :abbr:`constructor (Questo metodo è utilizzato per creare un tipo.)`
.. |static| replace:: :abbr:`static (Questo metodo non necessita di alcun'istanza per essere chiamato, quindi può essere chiamato direttamente usando il nome della classe.)`
.. |operator| replace:: :abbr:`operator (Questo metodo descrive un operatore valido da usare con questo tipo come operando di sinistra.)`
.. |bitfield| replace:: :abbr:`BitField (Questo valore è un intero composto da una maschera di bit dei seguenti flag.)`
.. |void| replace:: :abbr:`void (Nessun valore restituito.)`