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topola
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Replace SDL2_gfx with Pathfinder 

Fixes #12
This commit is contained in:
Tomasz Cichoń 2023-12-16 21:23:31 +01:00
parent 0706a8c258
commit ef593aca78
2 changed files with 150 additions and 67 deletions
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10
Cargo.toml
View File

@ -5,6 +5,14 @@ edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
gl = "0.14.0"
pathfinder_canvas = { git = "https://github.com/servo/pathfinder" }
pathfinder_geometry = { git = "https://github.com/servo/pathfinder" }
pathfinder_gl = { git = "https://github.com/servo/pathfinder" }
pathfinder_renderer = { git = "https://github.com/servo/pathfinder" }
pathfinder_resources = { git = "https://github.com/servo/pathfinder" }
[dependencies.geo]
version = "0.25.1"
@ -32,7 +40,7 @@ version = "0.6.3"
[dependencies.sdl2]
version = "0.35.2"
default-features = false
features = ["gfx"]
features = ["bundled"]
[patch.crates-io]
contracts = { path = "vendor/contracts" }

207
src/main.rs
View File

@ -33,14 +33,23 @@ use primitive::MakeShape;
use router::RouterObserver;
use sdl2::event::Event;
use sdl2::gfx::primitives::DrawRenderer;
use sdl2::keyboard::Keycode;
use sdl2::pixels::Color;
use sdl2::render::Canvas;
use sdl2::video::Window;
use sdl2::video::{Window, GLProfile};
use sdl2::EventPump;
use shape::{Shape, ShapeTrait};
use pathfinder_canvas::{Canvas, CanvasFontContext, Path2D};
use pathfinder_canvas::{ColorU, FillRule, ArcDirection};
use pathfinder_geometry::rect::RectF;
use pathfinder_geometry::vector::{vec2f, vec2i};
use pathfinder_gl::{GLDevice, GLVersion};
use pathfinder_renderer::concurrent::rayon::RayonExecutor;
use pathfinder_renderer::concurrent::scene_proxy::SceneProxy;
use pathfinder_renderer::gpu::options::{DestFramebuffer, RendererMode, RendererOptions};
use pathfinder_renderer::gpu::renderer::Renderer;
use pathfinder_renderer::options::BuildOptions;
use pathfinder_resources::embedded::EmbeddedResourceLoader;
use std::time::Duration;
use tracer::{Trace, Tracer};
@ -56,15 +65,19 @@ enum RouterOrLayout<'a> {
struct DebugRouterObserver<'a> {
event_pump: &'a mut sdl2::EventPump,
canvas: &'a mut sdl2::render::Canvas<Window>,
window: &'a Window,
renderer: &'a mut Renderer<GLDevice>,
font_context: &'a CanvasFontContext,
}
impl<'a> DebugRouterObserver<'a> {
pub fn new(
event_pump: &'a mut sdl2::EventPump,
canvas: &'a mut sdl2::render::Canvas<Window>,
window: &'a Window,
renderer: &'a mut Renderer<GLDevice>,
font_context: &'a CanvasFontContext,
) -> Self {
Self { event_pump, canvas }
Self { event_pump, window, renderer, font_context }
}
}
@ -72,7 +85,9 @@ impl<'a> RouterObserver for DebugRouterObserver<'a> {
fn on_rework(&mut self, tracer: &Tracer, trace: &Trace) {
render_times(
self.event_pump,
self.canvas,
self.window,
self.renderer,
self.font_context,
RouterOrLayout::Layout(tracer.layout),
None,
None,
@ -87,7 +102,9 @@ impl<'a> RouterObserver for DebugRouterObserver<'a> {
path.push(edge.target());
render_times(
self.event_pump,
self.canvas,
self.window,
self.renderer,
self.font_context,
RouterOrLayout::Layout(tracer.layout),
None,
None,
@ -100,7 +117,9 @@ impl<'a> RouterObserver for DebugRouterObserver<'a> {
fn on_probe(&mut self, tracer: &Tracer, trace: &Trace, _edge: MeshEdgeReference) {
render_times(
self.event_pump,
self.canvas,
self.window,
self.renderer,
self.font_context,
RouterOrLayout::Layout(tracer.layout),
None,
None,
@ -117,17 +136,46 @@ fn main() {
let sdl_context = sdl2::init().unwrap();
let video_subsystem = sdl_context.video().unwrap();
let gl_attr = video_subsystem.gl_attr();
gl_attr.set_context_profile(GLProfile::Core);
gl_attr.set_context_version(4, 0);
let window = video_subsystem
.window("Topola demo", 800, 600)
.opengl()
.position_centered()
.build()
.unwrap();
let mut canvas = window.into_canvas().build().unwrap();
let _context = window.gl_create_context().unwrap();
gl::load_with(|name| video_subsystem.gl_get_proc_address(name) as *const _);
canvas.set_draw_color(Color::RGB(0, 0, 0));
canvas.clear();
canvas.present();
// doing this later (after pathfinder assumes control of the context) would be a bad idea
// but for the early clear it's simpler than passing a blank canvas to pathfinder
unsafe {
gl::ClearColor(0.0, 0.0, 0.0, 1.0);
gl::Clear(gl::COLOR_BUFFER_BIT);
}
window.gl_swap_window();
// XXX: not sure if this automatically fallbacks if we get a GL3 context
// or if we have to detect it and/or retry
let device = GLDevice::new(GLVersion::GL4, 0);
let mode = RendererMode::default_for_device(&device);
let options = RendererOptions {
dest: DestFramebuffer::full_window(vec2i(800, 600)),
background_color: Some(ColorU::black().to_f32()),
//show_debug_ui: true,
..RendererOptions::default()
};
let resource_loader = EmbeddedResourceLoader::new();
let mut renderer = Renderer::new(device, &resource_loader, mode, options);
let font_context = CanvasFontContext::from_system_source();
// TODO: make a type like this wrapping the details of pathfinder
// so we don't pass so many arguments to render_times() and through the debug observer
//let mut canvas = window.into_canvas().build().unwrap();
let mut event_pump = sdl_context.event_pump().unwrap();
let _i = 0;
@ -373,12 +421,14 @@ fn main() {
let _ = router.enroute(
dot1,
dot_end,
&mut DebugRouterObserver::new(&mut event_pump, &mut canvas),
&mut DebugRouterObserver::new(&mut event_pump, &window, &mut renderer, &font_context),
);
render_times(
&mut event_pump,
&mut canvas,
&window,
&mut renderer,
&font_context,
RouterOrLayout::Layout(&router.layout),
None,
None,
@ -401,12 +451,14 @@ fn main() {
let _ = router.enroute(
dot2,
dot_end2,
&mut DebugRouterObserver::new(&mut event_pump, &mut canvas),
&mut DebugRouterObserver::new(&mut event_pump, &window, &mut renderer, &font_context),
);
render_times(
&mut event_pump,
&mut canvas,
&window,
&mut renderer,
&font_context,
RouterOrLayout::Layout(&router.layout),
None,
None,
@ -418,7 +470,9 @@ fn main() {
fn render_times(
event_pump: &mut EventPump,
canvas: &mut Canvas<Window>,
window: &Window,
renderer: &mut Renderer<GLDevice>,
font_context: &CanvasFontContext,
mut router_or_layout: RouterOrLayout,
from: Option<FixedDotIndex>,
follower: Option<LooseDotIndex>,
@ -429,9 +483,6 @@ fn render_times(
let mut i = 0;
'running: loop {
canvas.set_draw_color(Color::RGB(0, 10, 35));
canvas.clear();
for event in event_pump.poll_iter() {
match event {
Event::Quit { .. }
@ -443,6 +494,12 @@ fn render_times(
}
}
renderer.options_mut().background_color = Some(ColorU::new(0, 10, 35, 255).to_f32());
let window_size = window.size();
let mut canvas = Canvas::new(vec2f(window_size.0 as f32, window_size.1 as f32))
.get_context_2d(font_context.clone());
let layout = match router_or_layout {
RouterOrLayout::Router(ref mut router) => {
if let Some(follower) = follower {
@ -453,7 +510,7 @@ fn render_times(
.reroute(
from,
point! {x: state.x() as f64, y: state.y() as f64},
&mut DebugRouterObserver::new(event_pump, canvas),
&mut DebugRouterObserver::new(event_pump, window, renderer, font_context),
)
.ok();
} else {
@ -470,24 +527,34 @@ fn render_times(
//let result = panic::catch_unwind(|| {
for shape in layout.shapes() {
canvas.set_stroke_style(ColorU::new(200, 52, 52, 255));
canvas.set_fill_style(ColorU::new(200, 52, 52, 255));
match shape {
Shape::Dot(dot) => {
let _ = canvas.filled_circle(
dot.c.pos.x() as i16,
dot.c.pos.y() as i16,
dot.c.r as i16,
Color::RGB(200, 52, 52),
let mut path = Path2D::new();
path.ellipse(
vec2f(
dot.c.pos.x() as f32,
dot.c.pos.y() as f32
),
dot.c.r as f32,
0.0, 0.0, std::f32::consts::TAU
);
canvas.fill_path(path, FillRule::Winding);
}
Shape::Seg(seg) => {
let _ = canvas.thick_line(
seg.from.x() as i16,
seg.from.y() as i16,
seg.to.x() as i16,
seg.to.y() as i16,
seg.width as u8,
Color::RGB(200, 52, 52),
);
let mut path = Path2D::new();
path.move_to(vec2f(
seg.from.x() as f32,
seg.from.y() as f32
));
path.line_to(vec2f(
seg.to.x() as f32,
seg.to.y() as f32
));
canvas.set_line_width(seg.width as f32);
canvas.stroke_path(path);
}
Shape::Bend(bend) => {
let delta1 = bend.from - bend.c.pos;
@ -496,29 +563,28 @@ fn render_times(
let angle1 = delta1.y().atan2(delta1.x());
let angle2 = delta2.y().atan2(delta2.x());
for d in -2..3 {
let _ = canvas.arc(
//around_circle.pos.x() as i16,
//around_circle.pos.y() as i16,
bend.c.pos.x() as i16,
bend.c.pos.y() as i16,
//(shape.around_weight.unwrap().circle.r + 10.0 + (d as f64)) as i16,
(bend.circle().r + (d as f64)) as i16,
angle1.to_degrees() as i16,
angle2.to_degrees() as i16,
Color::RGB(200, 52, 52),
);
}
let mut path = Path2D::new();
path.arc(
vec2f(
bend.c.pos.x() as f32,
bend.c.pos.y() as f32
),
bend.circle().r as f32,
angle1 as f32,
angle2 as f32,
ArcDirection::CW
);
canvas.set_line_width(bend.width as f32);
canvas.stroke_path(path);
}
}
let envelope = ShapeTrait::envelope(&shape);
let _ = canvas.rectangle(
envelope.lower()[0] as i16,
envelope.lower()[1] as i16,
envelope.upper()[0] as i16,
envelope.upper()[1] as i16,
Color::RGB(100, 100, 100),
);
// XXX: points represented as arrays can't be conveniently converted to vector types
let topleft = vec2f(envelope.lower()[0] as f32, envelope.lower()[1] as f32);
let bottomright = vec2f(envelope.upper()[0] as f32, envelope.upper()[1] as f32);
canvas.set_line_width(1.0);
canvas.set_stroke_style(ColorU::new(100, 100, 100, 255));
canvas.stroke_rect(RectF::new(topleft, bottomright-topleft));
}
if let Some(ref mesh) = mesh {
@ -527,23 +593,32 @@ fn render_times(
let end_point = edge.target().primitive(layout).shape().center();
let color = if path.contains(&edge.source()) && path.contains(&edge.target()) {
Color::RGB(250, 250, 0)
ColorU::new(250, 250, 0, 255)
} else {
Color::RGB(125, 125, 125)
ColorU::new(125, 125, 125, 255)
};
let _ = canvas.line(
start_point.x() as i16,
start_point.y() as i16,
end_point.x() as i16,
end_point.y() as i16,
color,
);
let mut path = Path2D::new();
path.move_to(vec2f(
start_point.x() as f32,
start_point.y() as f32
));
path.line_to(vec2f(
end_point.x() as f32,
end_point.y() as f32
));
canvas.set_stroke_style(color);
canvas.set_line_width(1.0);
canvas.stroke_path(path);
}
}
//});
canvas.present();
let mut scene = SceneProxy::from_scene(canvas.into_canvas().into_scene(),
renderer.mode().level,
RayonExecutor);
scene.build_and_render(renderer, BuildOptions::default());
window.gl_swap_window();
i += 1;
if times != -1 && i >= times {