mirror of
https://github.com/bevyengine/bevy
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# Objective Models can be produced that do not have vertex tangents but do have normal map textures. The tangents can be generated. There is a way that the vertex tangents can be generated to be exactly invertible to avoid introducing error when recreating the normals in the fragment shader. ## Solution - After attempts to get https://github.com/gltf-rs/mikktspace to integrate simple glam changes and version bumps, and releases of that crate taking weeks / not being made (no offense intended to the authors/maintainers, bevy just has its own timelines and needs to take care of) it was decided to fork that repository. The following steps were taken: - mikktspace was forked to https://github.com/bevyengine/mikktspace in order to preserve the repository's history in case the original is ever taken down - The README in that repo was edited to add a note stating from where the repository was forked and explaining why - The repo was locked for changes as its only purpose is historical - The repo was integrated into the bevy repo using `git subtree add --prefix crates/bevy_mikktspace git@github.com:bevyengine/mikktspace.git master` - In `bevy_mikktspace`: - The travis configuration was removed - `cargo fmt` was run - The `Cargo.toml` was conformed to bevy's (just adding bevy to the keywords, changing the homepage and repository, changing the version to 0.7.0-dev - importantly the license is exactly the same) - Remove the features, remove `nalgebra` entirely, only use `glam`, suppress clippy. - This was necessary because our CI runs clippy with `--all-features` and the `nalgebra` and `glam` features are mutually exclusive, plus I don't want to modify this highly numerically-sensitive code just to appease clippy and diverge even more from upstream. - Rebase https://github.com/bevyengine/bevy/pull/1795 - @jakobhellermann said it was fine to copy and paste but it ended up being almost exactly the same with just a couple of adjustments when validating correctness so I decided to actually rebase it and then build on top of it. - Use the exact same fragment shader code to ensure correct normal mapping. - Tested with both https://github.com/KhronosGroup/glTF-Sample-Models/tree/master/2.0/NormalTangentMirrorTest which has vertex tangents and https://github.com/KhronosGroup/glTF-Sample-Models/tree/master/2.0/NormalTangentTest which requires vertex tangent generation Co-authored-by: alteous <alteous@outlook.com>
72 lines
2.5 KiB
TOML
72 lines
2.5 KiB
TOML
[package]
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name = "bevy_render"
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version = "0.8.0-dev"
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edition = "2021"
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description = "Provides rendering functionality for Bevy Engine"
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homepage = "https://bevyengine.org"
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repository = "https://github.com/bevyengine/bevy"
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license = "MIT OR Apache-2.0"
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keywords = ["bevy"]
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[features]
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png = ["image/png"]
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hdr = ["image/hdr"]
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tga = ["image/tga"]
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jpeg = ["image/jpeg"]
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bmp = ["image/bmp"]
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dds = ["ddsfile"]
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# For ktx2 supercompression
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zlib = ["flate2"]
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zstd = ["ruzstd"]
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trace = []
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tracing-tracy = []
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wgpu_trace = ["wgpu/trace"]
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ci_limits = []
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webgl = ["wgpu/webgl"]
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[dependencies]
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# bevy
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bevy_app = { path = "../bevy_app", version = "0.8.0-dev" }
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bevy_asset = { path = "../bevy_asset", version = "0.8.0-dev" }
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bevy_core = { path = "../bevy_core", version = "0.8.0-dev" }
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bevy_derive = { path = "../bevy_derive", version = "0.8.0-dev" }
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bevy_ecs = { path = "../bevy_ecs", version = "0.8.0-dev" }
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bevy_encase_derive = { path = "../bevy_encase_derive", version = "0.8.0-dev" }
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bevy_math = { path = "../bevy_math", version = "0.8.0-dev" }
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bevy_mikktspace = { path = "../bevy_mikktspace", version = "0.8.0-dev" }
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bevy_reflect = { path = "../bevy_reflect", version = "0.8.0-dev", features = ["bevy"] }
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bevy_render_macros = { path = "macros", version = "0.8.0-dev" }
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bevy_transform = { path = "../bevy_transform", version = "0.8.0-dev" }
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bevy_window = { path = "../bevy_window", version = "0.8.0-dev" }
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bevy_utils = { path = "../bevy_utils", version = "0.8.0-dev" }
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# rendering
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image = { version = "0.24", default-features = false }
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# misc
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wgpu = { version = "0.12.0", features = ["spirv"] }
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codespan-reporting = "0.11.0"
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naga = { version = "0.8.0", features = ["glsl-in", "spv-in", "spv-out", "wgsl-in", "wgsl-out"] }
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serde = { version = "1", features = ["derive"] }
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bitflags = "1.2.1"
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smallvec = { version = "1.6", features = ["union", "const_generics"] }
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once_cell = "1.4.1" # TODO: replace once_cell with std equivalent if/when this lands: https://github.com/rust-lang/rfcs/pull/2788
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downcast-rs = "1.2.0"
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thiserror = "1.0"
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futures-lite = "1.4.0"
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anyhow = "1.0"
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hex = "0.4.2"
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hexasphere = "7.0.0"
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parking_lot = "0.11.0"
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regex = "1.5"
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copyless = "0.1.5"
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ddsfile = { version = "0.5.0", optional = true }
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ktx2 = { version = "0.3.0", optional = true }
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# For ktx2 supercompression
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flate2 = { version = "1.0.22", optional = true }
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ruzstd = { version = "0.2.4", optional = true }
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# For transcoding of UASTC/ETC1S universal formats, and for .basis file support
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basis-universal = { version = "0.2.0", optional = true }
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encase = { version = "0.2", features = ["glam"] }
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