intel_tex

========

Rust bindings for Intel's ISPC texture compressor.

• https://github.com/GameTechDev/ISPCTextureCompressor

State of the art texture compression for BC6H, BC7, ETC1, ASTC and BC1/BC3.

ISPC and libclang are not required, unless regenerating the ISPC kernels:

cargo build --features=ispc

• ISPC compiler:
  • https://ispc.github.io/
• Also need libclang installed (for rust-bindgen)
  • https://rust-lang.github.io/rust-bindgen/requirements.html

For convenience, ISPC binaries for macOS, Linux, and Windows are in the repository (but not the crate).

Additionally, libclang exists in the LLVM installer for Windows, also included. https://github.com/gwihlidal/intel-tex-rs/tree/master/dependencies

Supported compression formats:

• BC1, BC3 (aka DXT1, DXT5) and BC4, BC5 (aka ATI1N, ATI2N)
• BC6H (FP16 HDR input)
• BC7
• ETC1

Pending compression formats:

• ASTC (LDR, block sizes up to 8x8)
  • Work in progress

Usage

Add this to your Cargo.toml:

[dependencies]
intel_tex = "0.1.4"

and add this to your crate root:

extern crate intel_tex;

Example

$ cargo run --release --example main

Width is 4096
Height is 4096
ColorType is RGB(8)
Converting RGB -> RGBA
Block count: 1048576
Compressing to BC7...
  Done!
Saving lambertian.dds file

License

Licensed under either of

• Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this crate by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

Contributions are always welcome; please look at the issue tracker to see what known improvements are documented.

Code of Conduct

Contribution to the intel_tex crate is organized under the terms of the Contributor Covenant, the maintainer of intel_tex, @gwihlidal, promises to intervene to uphold that code of conduct.