diff options
Diffstat (limited to 'src/context.rs')
| -rw-r--r-- | src/context.rs | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/src/context.rs b/src/context.rs deleted file mode 100644 index 9f0d4ad..0000000 --- a/src/context.rs +++ /dev/null @@ -1,228 +0,0 @@ -use glow::HasContext; - -#[cfg(target_arch = "wasm32")] -use wasm_bindgen::prelude::*; - -#[cfg(target_arch = "wasm32")] -use winit::platform::web::WindowExtWebSys; - -#[cfg(target_arch = "wasm32")] -#[wasm_bindgen(module = "/src/helpers.js")] -extern { - fn js_track_resized_setup(); - fn js_poll_resized() -> bool; -} - -#[cfg(not(target_arch = "wasm32"))] -pub struct Context { - pub render_width: f32, - pub render_height: f32, - pub resize: bool, - pub glfw: std::cell::RefCell<glfw::Glfw>, - pub window: std::cell::RefCell<glfw::PWindow>, - pub gl: glow::Context, - pub emptyvao: glow::VertexArray, - pub start_instant: std::time::Instant, -} - - -#[cfg(target_arch = "wasm32")] -pub struct Context { - pub render_width: f32, - pub render_height: f32, - pub resize: bool, - pub window: winit::window::Window, - pub gl: glow::Context, - pub emptyvao: glow::VertexArray, - pub performance: web_sys::Performance, -} - -impl Context { - pub fn compute_upscale(&self, windoww: u32, windowh: u32) -> u32 { - let mut ratio = 1; - loop { - if (self.render_width as u32) * ratio > windoww - || (self.render_height as u32) * ratio > windowh - { - break; - } - ratio += 1; - } - (ratio - 1).max(1) - } - - #[cfg(not(target_arch = "wasm32"))] - pub fn new(glfw: std::cell::RefCell<glfw::Glfw>, window: std::cell::RefCell<glfw::PWindow>, gl: glow::Context, render_width: f32, render_height: f32, resize: bool) -> Self { - let emptyvao = unsafe { - gl.create_vertex_array().expect("failed to initialize vao") - }; - let ret = Self { - render_width, render_height, - resize, - glfw, window, - gl, - emptyvao, - start_instant: std::time::Instant::now(), - }; - ret.init(); - ret - } - - #[cfg(target_arch = "wasm32")] - pub fn new(window: winit::window::Window, gl: glow::Context, render_width: f32, render_height: f32, resize: bool) -> Self { - let emptyvao = unsafe { - gl.create_vertex_array().expect("failed to initialize vao") - }; - - #[cfg(target_arch = "wasm32")] - js_track_resized_setup(); - - let ret = Self { - render_width, render_height, - resize, - window, - gl, - emptyvao, - - #[cfg(target_arch = "wasm32")] - performance: web_sys::window().expect("failed to find window") - .performance().expect("failed to get performance"), - }; - ret.init(); - ret - } - - pub fn init(&self) { - unsafe { - self.gl.clear_color(0.1, 0.1, 0.1, 1.0); - self.gl.clear_depth_f32(1.0); - - self.gl.enable(glow::DEPTH_TEST); - self.gl.depth_func(glow::LEQUAL); - - self.gl.enable(glow::BLEND); - self.gl.blend_func(glow::SRC_ALPHA, glow::ONE_MINUS_SRC_ALPHA); - - self.gl.enable(glow::STENCIL_TEST); - - self.gl.cull_face(glow::FRONT); - } - } - - #[cfg(target_arch = "wasm32")] - pub fn maximize_canvas(&self) { - if self.resize { - web_sys::window() - .and_then(|win| win.document()) - .and_then(|doc| { - let inner_size = { - let browser_window = doc.default_view() - .or_else(web_sys::window) - .unwrap(); - winit::dpi::PhysicalSize::new( - browser_window.inner_width().unwrap().as_f64().unwrap(), - browser_window.inner_height().unwrap().as_f64().unwrap(), - ) - }; - self.window.canvas().unwrap().set_width(inner_size.width as _); - self.window.canvas().unwrap().set_height(inner_size.height as _); - let _ = self.window.request_inner_size(inner_size); - Some(()) - }) - .expect("failed to resize canvas"); - } - } - - #[cfg(target_arch = "wasm32")] - pub fn resize_necessary(&self) -> bool { - js_poll_resized() - } - - #[cfg(not(target_arch = "wasm32"))] - pub fn resize_necessary(&self) -> bool { - false - } - - pub fn clear_color(&self, color: glam::Vec4) { - unsafe { - self.gl.clear_color(color.x, color.y, color.z, color.w); - } - } - - pub fn clear_depth(&self) { - unsafe { - self.gl.clear(glow::DEPTH_BUFFER_BIT); - } - } - - pub fn clear(&self) { - unsafe { - self.gl.stencil_mask(0xff); - self.gl.clear(glow::COLOR_BUFFER_BIT | glow::DEPTH_BUFFER_BIT | glow::STENCIL_BUFFER_BIT); - } - } - - pub fn begin_stencil(&self) { - unsafe { - self.gl.stencil_func(glow::ALWAYS, 1, 0xff); - self.gl.stencil_op(glow::KEEP, glow::KEEP, glow::REPLACE); - } - } - - pub fn use_stencil(&self) { - unsafe { - self.gl.stencil_func(glow::EQUAL, 1, 0xff); - self.gl.stencil_op(glow::KEEP, glow::KEEP, glow::KEEP); - } - } - - pub fn end_stencil(&self) { - unsafe { - self.gl.stencil_func(glow::ALWAYS, 1, 0xff); - self.gl.stencil_op(glow::KEEP, glow::KEEP, glow::KEEP); - } - } - - pub fn render_no_geometry(&self) { - unsafe { - self.gl.bind_vertex_array(Some(self.emptyvao)); - self.gl.draw_arrays(glow::TRIANGLE_STRIP, 0, 4); - } - } - - pub fn reset_blend(&self) { - unsafe { - self.gl.blend_func(glow::SRC_ALPHA, glow::ONE_MINUS_SRC_ALPHA); - } - } - - pub fn inverse_blend(&self) { - unsafe { - self.gl.blend_func( - glow::ONE_MINUS_DST_COLOR, - glow::ZERO, - ); - } - } - - pub fn enable_culling(&self) { - unsafe { - self.gl.enable(glow::CULL_FACE); - } - } - - pub fn disable_culling(&self) { - unsafe { - self.gl.disable(glow::CULL_FACE); - } - } - - pub fn check_error(&self) { - unsafe { - let err = self.gl.get_error(); - if err != 0 { - log::warn!("gl error: {}", err); - } - } - } -} |