Display services: Difference between revisions
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== OpenLayer == | == OpenLayer == | ||
Takes a PID-descriptor, an type-0x6 buffer, a [[#DisplayName]](which was previously used with [[#OpenDisplay]]), an u64 ExternalLayerId, and an u64 [[AM_services|AppletResourceUserId]]. Returns an output u64. | Takes a PID-descriptor, an type-0x6 buffer, a [[#DisplayName]](which was previously used with [[#OpenDisplay]]), an u64 ExternalLayerId, and an u64 [[AM_services|AppletResourceUserId]]. Returns an output u64. | ||
Official user-processes use an ExternalLayerId stored in a global state field if non-zero, otherwise: | |||
* When AppletResourceUserId==0, [[#CreateStrayLayer]] is used and the output from that is used for ExternalLayerId. | |||
* When AppletResourceUserId!=0, {unknown cmd} is used and the output from that is used for ExternalLayerId. | |||
== CloseLayer == | == CloseLayer == | ||
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== CreateStrayLayer == | == CreateStrayLayer == | ||
Takes a type-0x6 buffer, an u32, and an u64. Returns two output u64s. | Takes a type-0x6 buffer, an u32, and an u64. Returns two output u64s, first u64 is an ExternalLayerId. | ||
== DestroyStrayLayer == | == DestroyStrayLayer == | ||