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✨ Write shapes directly to wasm memory

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This commit is contained in:
Belén Albeza 2024-10-25 15:00:57 +02:00 • committed by Andrey Antukh
parent 29e0964ebc
commit 4623f36042
9 changed files with 186 additions and 139 deletions
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20
render-wasm/src/main.rs
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@ -1,4 +1,5 @@
pub mod render;
pub mod shapes;
use skia_safe as skia;
@ -33,6 +34,19 @@ pub unsafe extern "C" fn draw_rect(state: *mut State, x1: f32, y1: f32, x2: f32,
render::render_rect(&mut state.surface, r, skia::Color::RED);
}
#[no_mangle]
pub unsafe extern "C" fn draw_all_shapes(state: *mut State, zoom: f32, pan_x: f32, pan_y: f32) {
let state = unsafe { state.as_mut() }.expect("got an invalid state pointer");
reset_canvas(state);
scale(state, zoom, zoom);
translate(state, pan_x, pan_y);
shapes::draw_all(state);
flush(state);
}
#[no_mangle]
pub unsafe extern "C" fn flush(state: *mut State) {
let state = unsafe { state.as_mut() }.expect("got an invalid state pointer");
@ -60,6 +74,12 @@ pub unsafe extern "C" fn reset_canvas(state: *mut State) {
flush(state);
}
#[no_mangle]
pub unsafe extern "C" fn shapes_buffer() -> *mut shapes::Shape {
let ptr = shapes::SHAPES_BUFFER.as_mut_ptr();
return ptr;
}
fn main() {
render::init_gl();
}