Bntx

Bntx is a texture archive file format implemented by nn::gfx.

Header (nn::gfx::ResTextureFile)

Version 4.1.0

Offset	Size	Type	Description
0x0	0x20	nn::util::BinaryFileHeader	Magic ("BNTX " in big-endian)
0x20	0x28	nn::gfx::ResTextureContainer

nn::gfx::ResTextureContainer

Container for holding an array of texture info, and information about the GPU region containing textures

Version 4.1.0

Offset	Size	Type	Description
0x0	0x4	u32	Magic ("NX ")
0x4	0x4	u32	Texture count
0x8	0x8	ResTextureInfo **	Texture info array
0x10	0x8	ResTextureData *	Texture data gpu region header
0x18	0x8	nn::util::ResDic *	Texture info dictionary
0x20	0x8	nn::gfx::TMemoryPool *	Points to reserved 0x100 byte region for an in-place MemoryPool
0x28	0x8	nn::gfx::TMemoryPool *	User MemoryPool (initialized by nn::gfx to point to the in-place MemoryPool if one is not provided)
0x30	0x4	s32	Base MemoryPool offset
0x34	0x4	u32	Reserved

nn::gfx::ResTextureInfo

Block contains all the data necessary to initialize a Texture and a TextureView object in nn::gfx.

Version 4.1.0

Offset	Size	Type	Description
0x0	0x10	nn::util::BinaryBlockHeader	Magic ("BRTI" in big-endian)
0x10	0x28	nn::gfx::TextureInfo	Texture info for nn::gfx
0x38	0x4	u8[4]	Packaged texture layout?
0x3c	0x14	u8[0x14]	Reserved
0x50	0x4	u32	Total texture size (including all mip maps)
0x54	0x4	u32	Texture data alignment
0x58	0x4	nn::gfx::ChannelSource[4]
0x5c	0x1	nn::gfx::ImageDimension
0x5d	0x3	u8[3]	Reserved
0x60	0x8	const char * (NW)	Texture name
0x68	0x8	nn::gfx::ResTextureContainer *	Pointer to parent texture container
0x70	0x8	void **	Array of pointers to each texture mip map level
0x78	0x8	Gfx User Data *	User data array
0x80	0x8	nn::gfx::TTexture *	Points to reserved 0x100 byte region for an in-place Texture
0x88	0x8	nn::gfx::TTextureView *	Points to reserved 0x100 byte region for an in-place TextureView
0x90	0x8	nn::gfx::DescriptorSlot	Runtime descriptor slot for the registered Texture + TextureView
0x98	0x8	nn::util::ResDic *	User data dictionary

nn::gfx::ResTextureData

This block header directly precedes the 0x1000 byte page aligned GPU memory region.

Version 4.1.0

Offset	Size	Type	Description
0x0	0x10	nn::util::BinaryBlockHeader	Magic ("BRTD" in big-endian)