tessera-ui-basic-components 2.7.0

Basic components for tessera-ui
Documentation 
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use tessera_ui::{
    BarrierRequirement, compute::ComputeResourceRef, renderer::compute::command::ComputeCommand,
};

/// Command to apply a contrast adjustment using a pre-calculated mean luminance.
///
/// # Parameters
/// - `contrast`: The contrast adjustment factor.
/// - `mean_result_handle`: Handle to the buffer containing mean luminance data.
///
/// # Example
/// ```rust,ignore
/// use tessera_ui_basic_components::pipelines::contrast::ContrastCommand;
/// let command = ContrastCommand::new(1.2, mean_result_handle);
/// ```
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct ContrastCommand {
    /// The contrast adjustment factor.
    pub contrast: f32,
    /// A handle to the `wgpu::Buffer` containing the mean luminance data.
    pub mean_result_handle: ComputeResourceRef,
}

impl ContrastCommand {
    /// Creates a new `ContrastCommand`.
    ///
    /// # Parameters
    /// - `contrast`: The contrast adjustment factor.
    /// - `mean_result_handle`: Handle to the buffer containing mean luminance data.
    pub fn new(contrast: f32, mean_result_handle: ComputeResourceRef) -> Self {
        Self {
            contrast,
            mean_result_handle,
        }
    }
}

impl ComputeCommand for ContrastCommand {
    fn barrier(&self) -> tessera_ui::BarrierRequirement {
        BarrierRequirement::ZERO_PADDING_LOCAL
    }
}