18 lines
777 B
Rust
18 lines
777 B
Rust
//! Common traits and types used for software rendering on graphics backends
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use std::error::Error;
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use wayland_server::protocol::wl_shm::Format;
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/// Trait that describes objects providing a software rendering implementation
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pub trait CpuGraphicsBackend<E: Error> {
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/// Render a given buffer of a given format at a specified place in the framebuffer
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///
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/// # Error
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/// Returns an error if the buffer size does not match the required amount of pixels
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/// for the given size or if the position and size is out of scope of the framebuffer.
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fn render(&mut self, buffer: &[u8], format: Format, at: (u32, u32), size: (u32, u32)) -> Result<(), E>;
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/// Returns the dimensions of the framebuffer
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fn get_framebuffer_dimensions(&self) -> (u32, u32);
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}
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