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Add small guide to choose a texture format

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This commit is contained in:
Pierre Krieger 2016-02-24 13:24:11 +01:00
parent dc615d61e4
commit 9822ed35de
1 changed files with 53 additions and 0 deletions
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53
vulkano/src/formats.rs
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@ -39,6 +39,59 @@
//! it is read. The fourth channel (usually used for alpha), if present, is not concerned by the
//! conversion.
//!
//! # Choosing a format
//!
//! The following formats are guaranteed to be supported for everything that is related to
//! texturing (ie. blitting source and sampling them linearly). You should choose one of these
//! formats if you have an image that you are going to sample from:
//!
//! // TODO: use vulkano enums
//! - B4G4R4A4_UNORM_PACK16
//! - R5G6B5_UNORM_PACK16
//! - A1R5G5B5_UNORM_PACK16
//! - R8_UNORM
//! - R8_SNORM
//! - R8G8_UNORM
//! - R8G8_SNORM
//! - R8G8B8A8_UNORM
//! - R8G8B8A8_SNORM
//! - R8G8B8A8_SRGB
//! - B8G8R8A8_UNORM
//! - B8G8R8A8_SRGB
//! - A8B8G8R8_UNORM_PACK32
//! - A8B8G8R8_SNORM_PACK32
//! - A8B8G8R8_SRGB_PACK32
//! - A2B10G10R10_UNORM_PACK32
//! - R16_SFLOAT
//! - R16G16_SFLOAT
//! - R16G16B16A16_SFLOAT
//! - B10G11R11_UFLOAT_PACK32
//! - E5B9G9R9_UFLOAT_PACK32
//!
//! The following formats are guaranteed to be supported for everything that is related to
//! intermediate render targets (ie. blitting destination, color attachment and sampling linearly):
//!
//! // TODO: use vulkano enums
//! - R5G6B5_UNORM_PACK16
//! - A1R5G5B5_UNORM_PACK16
//! - R8_UNORM
//! - R8G8_UNORM
//! - R8G8B8A8_UNORM
//! - R8G8B8A8_SRGB
//! - B8G8R8A8_UNORM
//! - B8G8R8A8_SRGB
//! - A8B8G8R8_UNORM_PACK32
//! - A8B8G8R8_SRGB_PACK32
//! - A2B10G10R10_UNORM_PACK32
//! - R16_SFLOAT
//! - R16G16_SFLOAT
//! - R16G16B16A16_SFLOAT
//!
//! For depth images, only `D16Unorm` is guaranteed to be supported. For depth-stencil images,
//! it is guaranteed that either `D24Unorm_S8Uint` or `D32Sfloat_S8Uint` are supported.
//!
//! // TODO: storage formats
//!
use std::vec::IntoIter as VecIntoIter;
use vk;