À partir du 27 mars 2025, nous vous recommandons d'utiliser android-latest-release au lieu de aosp-main pour créer et contribuer à AOSP. Pour en savoir plus, consultez la section Modifications apportées à AOSP.
Restez organisé à l'aide des collections
Enregistrez et classez les contenus selon vos préférences.
Documentation de référence sur la struct alloc_device_t
#include <
gralloc.h
>
Chaque structure de données d'appareil doit commencer par
hw_device_t
followed, suivi des méthodes et attributs publics spécifiques au module.
Définition à la ligne
326
du fichier
gralloc.h
.
|
int(* alloc)(struct
alloc_device_t
*dev, int w, int h, int format, int usage, buffer_handle_t *handle, int *stride)
|
La documentation de ce struct a été générée à partir du fichier suivant :
-
hardware/libhardware/include/hardware/
gralloc.h
Le contenu et les exemples de code de cette page sont soumis aux licences décrites dans la Licence de contenu. Java et OpenJDK sont des marques ou des marques déposées d'Oracle et/ou de ses sociétés affiliées.
Dernière mise à jour le 2025/07/27 (UTC).
[[["Facile à comprendre","easyToUnderstand","thumb-up"],["J'ai pu résoudre mon problème","solvedMyProblem","thumb-up"],["Autre","otherUp","thumb-up"]],[["Il n'y a pas l'information dont j'ai besoin","missingTheInformationINeed","thumb-down"],["Trop compliqué/Trop d'étapes","tooComplicatedTooManySteps","thumb-down"],["Obsolète","outOfDate","thumb-down"],["Problème de traduction","translationIssue","thumb-down"],["Mauvais exemple/Erreur de code","samplesCodeIssue","thumb-down"],["Autre","otherDown","thumb-down"]],["Dernière mise à jour le 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)"]]
