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use crate::buffer;
use crate::graphics::Antialiasing;
use crate::primitive::pipeline;
use crate::quad;
use crate::text;
use crate::triangle;
#[allow(missing_debug_implementations)]
pub struct Engine {
pub(crate) quad_pipeline: quad::Pipeline,
pub(crate) text_pipeline: text::Pipeline,
pub(crate) triangle_pipeline: triangle::Pipeline,
pub(crate) _pipeline_storage: pipeline::Storage,
#[cfg(any(feature = "image", feature = "svg"))]
pub(crate) image_pipeline: crate::image::Pipeline,
pub(crate) staging_belt: wgpu::util::StagingBelt,
}
impl Engine {
pub fn new(
_adapter: &wgpu::Adapter,
device: &wgpu::Device,
queue: &wgpu::Queue,
format: wgpu::TextureFormat,
antialiasing: Option<Antialiasing>, // TODO: Initialize AA pipelines lazily
) -> Self {
let text_pipeline = text::Pipeline::new(device, queue, format);
let quad_pipeline = quad::Pipeline::new(device, format);
let triangle_pipeline =
triangle::Pipeline::new(device, format, antialiasing);
#[cfg(any(feature = "image", feature = "svg"))]
let image_pipeline = {
let backend = _adapter.get_info().backend;
crate::image::Pipeline::new(device, format, backend)
};
Self {
// TODO: Resize belt smartly (?)
// It would be great if the `StagingBelt` API exposed methods
// for introspection to detect when a resize may be worth it.
staging_belt: wgpu::util::StagingBelt::new(
buffer::MAX_WRITE_SIZE as u64,
),
quad_pipeline,
text_pipeline,
triangle_pipeline,
_pipeline_storage: pipeline::Storage::default(),
#[cfg(any(feature = "image", feature = "svg"))]
image_pipeline,
}
}
#[cfg(any(feature = "image", feature = "svg"))]
pub fn image_cache(&self) -> &crate::image::cache::Shared {
self.image_pipeline.cache()
}
pub fn submit(
&mut self,
queue: &wgpu::Queue,
encoder: wgpu::CommandEncoder,
) -> wgpu::SubmissionIndex {
self.staging_belt.finish();
let index = queue.submit(Some(encoder.finish()));
self.staging_belt.recall();
self.quad_pipeline.end_frame();
self.text_pipeline.end_frame();
self.triangle_pipeline.end_frame();
#[cfg(any(feature = "image", feature = "svg"))]
self.image_pipeline.end_frame();
index
}
}
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