52 lines
1.9 KiB
Rust
52 lines
1.9 KiB
Rust
//! librashader instance version helpers.
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/// API version type alias.
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pub type LIBRASHADER_API_VERSION = usize;
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/// ABI version type alias.
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pub type LIBRASHADER_ABI_VERSION = usize;
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/// The current version of the librashader API.
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/// Pass this into `version` for config structs.
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///
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/// API versions are backwards compatible. It is valid to load
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/// a librashader C API instance for all API versions less than
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/// or equal to LIBRASHADER_CURRENT_VERSION, and subsequent API
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/// versions must remain backwards compatible.
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/// ## API Versions
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/// - API version 0: 0.1.0
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/// - API version 1: 0.2.0
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/// - Added rotation, total_subframes, current_subframes to frame options
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/// - Added preset context API
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/// - Added Metal runtime API
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pub const LIBRASHADER_CURRENT_VERSION: LIBRASHADER_API_VERSION = 1;
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/// The current version of the librashader ABI.
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/// Used by the loader to check ABI compatibility.
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///
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/// ABI version 0 is reserved as a sentinel value.
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///
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/// ABI versions are not backwards compatible. It is not
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/// valid to load a librashader C API instance for any ABI
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/// version not equal to LIBRASHADER_CURRENT_ABI.
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/// ## ABI Versions
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/// - ABI version 0: null instance (unloaded)
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/// - ABI version 1: 0.1.0
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/// - ABI version 2: 0.4.0
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pub const LIBRASHADER_CURRENT_ABI: LIBRASHADER_ABI_VERSION = 2;
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/// Function pointer definition for libra_abi_version
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pub type PFN_libra_instance_abi_version = extern "C" fn() -> LIBRASHADER_ABI_VERSION;
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/// Get the ABI version of the loaded instance.
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#[no_mangle]
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pub extern "C" fn libra_instance_abi_version() -> LIBRASHADER_ABI_VERSION {
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LIBRASHADER_CURRENT_ABI
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}
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/// Function pointer definition for libra_abi_version
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pub type PFN_libra_instance_api_version = extern "C" fn() -> LIBRASHADER_API_VERSION;
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/// Get the API version of the loaded instance.
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#[no_mangle]
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pub extern "C" fn libra_instance_api_version() -> LIBRASHADER_API_VERSION {
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LIBRASHADER_CURRENT_VERSION
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}
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