`nn::gd::CTR::Resource::MapTexture2DResource` Member Function

Syntax

static nnResult MapTexture2DResource(
     Texture2DResource * texture2DResource,
     s32 mipLevelIndex,
     MapUsage usage,
     void ** data
);

	Name	Description
in	texture2DResource	Specifies the pointer to the 2D texture resource for the data pointer being obtained.
in	mipLevelIndex	Specifies the pointer to the mipmap level index for the data pointer being obtained. If -1 is specified, the last mipmap level is used.
in	usage	Specifies how the resource is to be used.
out	`data`	Specifies the address for storing the pointer to the obtained data.

Returns the result of the operation.

Value	Description
`Result::IsSuccess`	Process was successful.
`ResultNullParameter`	`NULL` was specified for either texture2DResource or data.
`ResultInvalidMemoryRegion`	Either the resource memory type or the usage method is invalid. It might be that an attempt was made by `MAP_WRITE_ONLY` or `MAP_READ_WRITE` to get a memory region that was allocated to VRAM.
`ResultInvalidTextureMipLevelIndex`	`mipLevelIndex` is invalid.

Obtains a data pointer for the specified resource.

CONFIDENTIAL