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use crate::canvas::{CanvasTextureHandle, CanvasImageHandle};
use vulkano::image::{ImmutableImage, AttachmentImage};
use std::sync::Arc;
use vulkano::format::Format;
use crate::canvas_shader::CanvasShader;
use vulkano::sampler::Sampler;
use vulkano::descriptor::DescriptorSet;
use vulkano::descriptor::descriptor_set::PersistentDescriptorSet;

#[derive(Clone)]
pub struct CanvasTexture {
    pub(crate) handle: Arc<CanvasTextureHandle>,
    pub(crate) buffer: Arc<ImmutableImage<Format>>,
    pub(crate) name: String,
    pub(crate) size: (u32, u32),
}

impl CanvasTexture {
    pub fn get_descriptor_set(&self,
                          shader: Arc<CanvasShader>,
                          sampler: Arc<Sampler>) -> Box<dyn DescriptorSet + Send + Sync> {
        let o: Box<dyn DescriptorSet + Send + Sync> = Box::new(
            PersistentDescriptorSet::start(
                shader.clone().get_pipeline().clone(), 0,
            )
                .add_sampled_image(self.buffer.clone(), sampler.clone()).unwrap()
                .build().unwrap());
        o
    }
}

#[derive(Clone)]
pub struct CanvasImage {
    pub(crate) handle: Arc<CanvasImageHandle>,
    pub(crate) buffer: Arc<AttachmentImage>,
    pub(crate) size: (u32, u32),
}

impl CanvasImage {
    pub fn get_descriptor_set(&self, shader: Arc<CanvasShader>)
                          -> Box<dyn DescriptorSet + Send + Sync> {
        let o: Box<dyn DescriptorSet + Send + Sync> = Box::new(
            PersistentDescriptorSet::start(
                shader.clone().get_pipeline().clone(), 0,
            )
                .add_image(self.buffer.clone()).unwrap()
                .build().unwrap());
        o
    }
}