A partire dal 27 marzo 2025, ti consigliamo di utilizzare android-latest-release
anziché aosp-main
per compilare e contribuire ad AOSP. Per ulteriori informazioni, vedi Modifiche ad AOSP.
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Salva e classifica i contenuti in base alle tue preferenze.
Riferimento alla struttura alloc_device_t
#include <
gralloc.h
>
Ogni struttura di dati del dispositivo deve iniziare con
hw_device_t
followed by module specific public methods and attributes.
Definizione alla riga
326
del file
gralloc.h
.
int(* alloc)(struct
alloc_device_t
*dev, int w, int h, int format, int usage, buffer_handle_t *handle, int *stride)
|
La documentazione di questa struttura è stata generata dal seguente file:
-
hardware/libhardware/include/hardware/
gralloc.h
I campioni di contenuti e codice in questa pagina sono soggetti alle licenze descritte nella Licenza per i contenuti. Java e OpenJDK sono marchi o marchi registrati di Oracle e/o delle sue società consociate.
Ultimo aggiornamento 2025-07-27 UTC.
[[["Facile da capire","easyToUnderstand","thumb-up"],["Il problema è stato risolto","solvedMyProblem","thumb-up"],["Altra","otherUp","thumb-up"]],[["Mancano le informazioni di cui ho bisogno","missingTheInformationINeed","thumb-down"],["Troppo complicato/troppi passaggi","tooComplicatedTooManySteps","thumb-down"],["Obsoleti","outOfDate","thumb-down"],["Problema di traduzione","translationIssue","thumb-down"],["Problema relativo a esempi/codice","samplesCodeIssue","thumb-down"],["Altra","otherDown","thumb-down"]],["Ultimo aggiornamento 2025-07-27 UTC."],[],[],null,["# Android Hardware Abstraction Layer: alloc_device_t Struct Reference\n\nalloc_device_t Struct Reference\n===============================\n\n[Data Fields](#pub-attribs) \nalloc_device_t Struct Reference \n\n`\n#include \u003c\n`[gralloc.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gralloc.h)`\n\u003e\n`\n\n|----------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| Data Fields ----------- ||\n| struct [hw_device_t](/reference/hal/structhw__device__t) | [common](/reference/hal/structalloc__device__t#a86a0ca82dd3f02023e259b8b5e155dbe) |\n| ||\n| int(\\* | [alloc](/reference/hal/structalloc__device__t#abb0bafeb84b6c8f45f3fd86b10313873) )(struct [alloc_device_t](/reference/hal/structalloc__device__t) \\*dev, int w, int h, int format, int usage, buffer_handle_t \\*handle, int \\*stride) |\n| ||\n| int(\\* | [free](/reference/hal/structalloc__device__t#a5af389af2dc84e860a870494a0871904) )(struct [alloc_device_t](/reference/hal/structalloc__device__t) \\*dev, buffer_handle_t handle) |\n| ||\n| void(\\* | [dump](/reference/hal/structalloc__device__t#a3ac7bd39159e8d3e011d4c703b9bce81) )(struct [alloc_device_t](/reference/hal/structalloc__device__t) \\*dev, char \\*buff, int buff_len) |\n| ||\n| void \\* | [reserved_proc](/reference/hal/structalloc__device__t#a0212a30e1eeb7092d7c90424e58f34f0) \\[7\\] |\n| ||\n\n\nDetailed Description\n--------------------\n\n\nEvery device data structure must begin with\n[hw_device_t](/reference/hal/structhw__device__t)\nfollowed by module specific public methods and attributes.\n\n\nDefinition at line\n[326](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gralloc.h)\nof file\n[gralloc.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gralloc.h)\n.\n\nField Documentation\n-------------------\n\n\n|------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| int(\\* alloc)(struct [alloc_device_t](/reference/hal/structalloc__device__t) \\*dev, int w, int h, int format, int usage, buffer_handle_t \\*handle, int \\*stride) |\n\n\nDefinition at line\n[343](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gralloc.h)\nof file\n[gralloc.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gralloc.h)\n.\n\n|-----------------------------------------------------------------|\n| struct [hw_device_t](/reference/hal/structhw__device__t) common |\n\n\nDefinition at line\n[327](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gralloc.h)\nof file\n[gralloc.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gralloc.h)\n.\n\n|----------------------------------------------------------------------------------------------------------------|\n| void(\\* dump)(struct [alloc_device_t](/reference/hal/structalloc__device__t) \\*dev, char \\*buff, int buff_len) |\n\n\nDefinition at line\n[364](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gralloc.h)\nof file\n[gralloc.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gralloc.h)\n.\n\n|------------------------------------------------------------------------------------------------------------|\n| int(\\* free)(struct [alloc_device_t](/reference/hal/structalloc__device__t) \\*dev, buffer_handle_t handle) |\n\n\nDefinition at line\n[357](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gralloc.h)\nof file\n[gralloc.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gralloc.h)\n.\n\n|---------------------------|\n| void\\* reserved_proc\\[7\\] |\n\n\nDefinition at line\n[366](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gralloc.h)\nof file\n[gralloc.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gralloc.h)\n.\n\n*** ** * ** ***\n\nThe documentation for this struct was generated from the following file:\n\n- hardware/libhardware/include/hardware/ [gralloc.h](https://android.googlesource.com/platform/hardware/libhardware/+/master/include/hardware/gralloc.h)"]]