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mod compatibility;
mod core;
use crate::program;
use crate::Transformation;
use glow::HasContext;
use iced_graphics::layer;
use iced_native::Rectangle;
#[derive(Debug)]
pub enum Pipeline {
Core(core::Pipeline),
Compatibility(compatibility::Pipeline),
}
impl Pipeline {
pub fn new(
gl: &glow::Context,
shader_version: &program::Version,
) -> Pipeline {
let gl_version = gl.version();
// OpenGL 3.0+ and OpenGL ES 3.0+ have instancing (which is what separates `core` from `compatibility`)
if gl_version.major >= 3 {
log::info!("Mode: core");
Pipeline::Core(core::Pipeline::new(gl, shader_version))
} else {
log::info!("Mode: compatibility");
Pipeline::Compatibility(compatibility::Pipeline::new(
gl,
shader_version,
))
}
}
pub fn draw(
&mut self,
gl: &glow::Context,
target_height: u32,
instances: &[layer::Quad],
transformation: Transformation,
scale: f32,
bounds: Rectangle<u32>,
) {
match self {
Pipeline::Core(pipeline) => {
pipeline.draw(
gl,
target_height,
instances,
transformation,
scale,
bounds,
);
}
Pipeline::Compatibility(pipeline) => {
pipeline.draw(
gl,
target_height,
instances,
transformation,
scale,
bounds,
);
}
}
}
}
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