2019-04-09 15:41:15 -04:00
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use crate::magicleap::MagicLeapLandscape;
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2019-03-09 12:57:44 -05:00
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use crate::magicleap::MagicLeapLogger;
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use crate::magicleap::MagicLeapWindow;
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use egl;
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use egl::EGLContext;
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use egl::EGLDisplay;
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2019-04-09 15:41:15 -04:00
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use egl::EGLSurface;
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2019-03-09 12:57:44 -05:00
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2019-04-09 15:33:33 -04:00
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use gl::types::GLuint;
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2019-03-09 12:57:44 -05:00
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use log::debug;
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2019-04-09 15:41:15 -04:00
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use log::info;
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2019-03-09 12:57:44 -05:00
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use pathfinder_demo::Background;
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use pathfinder_demo::DemoApp;
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use pathfinder_demo::Options;
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2019-04-09 15:41:15 -04:00
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use pathfinder_demo::window::Event;
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2019-03-09 12:57:44 -05:00
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use pathfinder_demo::window::Mode;
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2019-04-09 15:41:15 -04:00
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use pathfinder_demo::window::SVGPath;
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use pathfinder_demo::window::WindowSize;
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use pathfinder_geometry::basic::point::Point2DI32;
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2019-04-09 15:33:33 -04:00
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use pathfinder_geometry::basic::point::Point2DF32;
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use pathfinder_geometry::basic::rect::RectI32;
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use pathfinder_geometry::basic::transform2d::Transform2DF32;
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use pathfinder_gl::GLDevice;
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use pathfinder_gl::GLVersion;
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use pathfinder_gpu::Device;
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use pathfinder_gpu::resources::FilesystemResourceLoader;
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use pathfinder_renderer::gpu::renderer::Renderer;
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use pathfinder_simd::default::F32x4;
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use pathfinder_renderer::scene::Scene;
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use pathfinder_renderer::z_buffer::ZBuffer;
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use pathfinder_renderer::gpu_data::BuiltScene;
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use pathfinder_renderer::builder::SceneBuilder;
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use pathfinder_renderer::builder::RenderOptions;
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use pathfinder_renderer::builder::RenderTransform;
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use pathfinder_svg::BuiltSVG;
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use pathfinder_gpu::resources::ResourceLoader;
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use rayon::ThreadPoolBuilder;
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2019-03-09 12:57:44 -05:00
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2019-04-09 15:33:33 -04:00
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use std::collections::HashMap;
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2019-04-09 15:41:15 -04:00
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use std::ffi::CStr;
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2019-03-09 12:57:44 -05:00
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use std::ffi::CString;
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2019-03-29 16:28:16 -04:00
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use std::os::raw::c_char;
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2019-04-09 15:41:15 -04:00
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use std::os::raw::c_void;
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2019-03-09 12:57:44 -05:00
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2019-04-09 15:33:33 -04:00
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use usvg::Options as UsvgOptions;
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use usvg::Tree;
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2019-03-09 12:57:44 -05:00
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mod c_api;
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mod magicleap;
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#[cfg(feature = "mocked")]
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mod mocked_c_api;
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#[no_mangle]
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pub extern "C" fn magicleap_pathfinder_demo(egl_display: EGLDisplay, egl_context: EGLContext) {
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unsafe { c_api::MLLoggingLog(c_api::MLLogLevel::Info, &b"Pathfinder Demo\0"[0], &b"Initializing\0"[0]) };
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let tag = CString::new("Pathfinder Demo").unwrap();
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let level = log::LevelFilter::Warn;
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let logger = MagicLeapLogger::new(tag, level);
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log::set_boxed_logger(Box::new(logger)).unwrap();
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log::set_max_level(level);
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debug!("Initialized logging");
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let window = MagicLeapWindow::new(egl_display, egl_context);
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let window_size = window.size();
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let mut options = Options::default();
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options.ui = false;
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options.background = Background::None;
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options.mode = Mode::VR;
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options.jobs = Some(3);
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options.pipeline = 0;
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let mut app = DemoApp::new(window, window_size, options);
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debug!("Initialized app");
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while app.window.running() {
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let mut events = Vec::new();
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while let Some(event) = app.window.try_get_event() {
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events.push(event);
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}
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let scene_count = app.prepare_frame(events);
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for scene_index in 0..scene_count {
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app.draw_scene(scene_index);
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}
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app.finish_drawing_frame();
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}
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2019-03-29 16:28:16 -04:00
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}
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const SVG_FILENAMES: &[*const c_char] = &[
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&b"svg/nba-notext.svg\0"[0],
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&b"svg/paper.svg\0"[0],
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&b"svg/Ghostscript_Tiger.svg\0"[0],
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&b"svg/julius-caesar-with-bg.svg\0"[0],
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&b"svg/julius-caesar.svg\0"[0],
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&b"svg/pathfinder_logo.svg\0"[0],
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];
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#[no_mangle]
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pub extern "C" fn magicleap_pathfinder_svg_filecount() -> usize {
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SVG_FILENAMES.len()
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}
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#[no_mangle]
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pub extern "C" fn magicleap_pathfinder_svg_filenames() -> *const *const c_char {
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&SVG_FILENAMES[0]
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}
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2019-04-09 15:33:33 -04:00
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struct MagicLeapPathfinder {
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surfaces: HashMap<EGLSurface, MagicLeapPathfinderSurface>,
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resources: FilesystemResourceLoader,
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}
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struct MagicLeapPathfinderSurface {
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surf: EGLSurface,
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size: Point2DI32,
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viewport: RectI32,
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bg_color: F32x4,
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renderer: Renderer<GLDevice>,
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scene: Scene,
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}
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#[no_mangle]
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pub extern "C" fn magicleap_pathfinder_init(dpy: EGLDisplay, surf: EGLSurface) -> *mut c_void {
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2019-04-09 15:41:15 -04:00
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unsafe { c_api::MLLoggingLog(c_api::MLLogLevel::Info, &b"Pathfinder Demo\0"[0], &b"Initializing\0"[0]) };
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let tag = CString::new("Pathfinder Demo").unwrap();
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let level = log::LevelFilter::Info;
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let logger = MagicLeapLogger::new(tag, level);
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log::set_boxed_logger(Box::new(logger)).unwrap();
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log::set_max_level(level);
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info!("Initialized logging");
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2019-04-09 15:33:33 -04:00
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let mut thread_pool_builder = ThreadPoolBuilder::new()
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.build_global().unwrap();
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info!("Initialized rayon");
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gl::load_with(|s| egl::get_proc_address(s) as *const c_void);
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info!("Initialized gl");
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2019-04-09 15:33:33 -04:00
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let pf = MagicLeapPathfinder {
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surfaces: HashMap::new(),
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resources: FilesystemResourceLoader::locate(),
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};
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info!("Initialized pf");
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Box::into_raw(Box::new(pf)) as *mut c_void
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}
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#[no_mangle]
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pub unsafe extern "C" fn magicleap_pathfinder_render(pf: *mut c_void, dpy: EGLDisplay, surf: EGLSurface, svg_filename: *const c_char) {
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let pf = pf as *mut MagicLeapPathfinder;
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if let Some(pf) = pf.as_mut() {
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let resources = &pf.resources;
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let pfs = pf.surfaces.entry(surf).or_insert_with(|| {
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let mut width = 0;
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let mut height = 0;
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let mut fbo = 0;
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egl::query_surface(dpy, surf, egl::EGL_WIDTH, &mut width);
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egl::query_surface(dpy, surf, egl::EGL_HEIGHT, &mut height);
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gl::GetIntegerv(gl::DRAW_FRAMEBUFFER_BINDING, &mut fbo);
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let device = GLDevice::new(GLVersion::GLES3, fbo as GLuint);
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let size = Point2DI32::new(width, height);
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let viewport = RectI32::new(Point2DI32::default(), size);
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let renderer = Renderer::new(device, resources, viewport, size);
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let bg_color = F32x4::new(0.5, 0.5, 0.5, 1.0);
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let svg_filename = CStr::from_ptr(svg_filename).to_string_lossy();
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let data = resources.slurp(&*svg_filename).unwrap();
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let svg = BuiltSVG::from_tree(Tree::from_data(&data, &UsvgOptions::default()).unwrap());
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let mut scene = svg.scene;
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scene.view_box = viewport.to_f32();
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MagicLeapPathfinderSurface {
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surf,
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size,
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viewport,
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bg_color,
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renderer,
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scene,
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}
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});
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pfs.renderer.set_main_framebuffer_size(pfs.size);
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pfs.renderer.set_viewport(pfs.viewport);
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pfs.renderer.device.bind_default_framebuffer(pfs.viewport);
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pfs.renderer.device.clear(Some(pfs.bg_color), Some(1.0), Some(0));
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pfs.renderer.disable_depth();
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let z_buffer = ZBuffer::new(pfs.scene.view_box);
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let scale = i32::min(pfs.viewport.size().x(), pfs.viewport.size().y()) as f32 /
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f32::max(pfs.scene.bounds.size().x(), pfs.scene.bounds.size().y());
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let transform = Transform2DF32::from_translation(&pfs.scene.bounds.size().scale(-0.5))
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.post_mul(&Transform2DF32::from_scale(&Point2DF32::splat(scale)))
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.post_mul(&Transform2DF32::from_translation(&pfs.viewport.size().to_f32().scale(0.5)));
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let render_options = RenderOptions {
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transform: RenderTransform::Transform2D(transform),
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dilation: Point2DF32::default(),
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barrel_distortion: None,
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};
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let built_options = render_options.prepare(pfs.scene.bounds);
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let quad = built_options.quad();
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let built_objects = pfs.scene.build_objects(built_options, &z_buffer);
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let mut built_scene = BuiltScene::new(pfs.scene.view_box, &quad, pfs.scene.objects.len() as u32);
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built_scene.shaders = pfs.scene.build_shaders();
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let mut scene_builder = SceneBuilder::new(built_objects, z_buffer, pfs.scene.view_box);
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built_scene.solid_tiles = scene_builder.build_solid_tiles();
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while let Some(batch) = scene_builder.build_batch() {
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built_scene.batches.push(batch);
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}
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pfs.renderer.render_scene(&built_scene);
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// let mut width = 0;
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// let mut height = 0;
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// let mut fbo = 0;
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// egl::query_surface(dpy, surf, egl::EGL_WIDTH, &mut width);
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// egl::query_surface(dpy, surf, egl::EGL_HEIGHT, &mut height);
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// gl::GetIntegerv(gl::DRAW_FRAMEBUFFER_BINDING, &mut fbo);
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// gl::Viewport(0, 0, width, height);
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// let svg_filename = CStr::from_ptr(svg_filename).to_string_lossy().into_owned();
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// info!("svg={}, w={}, h={}, fbo={}.", svg_filename, width, height, fbo);
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// if (app.window.dpy != dpy) || (app.window.surf != surf) {
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// app.render_to_current_gl_context();
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// app.window.surf = surf;
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// app.window.dpy = dpy;
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// }
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// app.window.fbo = fbo as GLuint;
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// app.window.set_size(width, height);
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// app.options.background = if let Background::Dark = app.options.background {
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// Background::Light
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// } else {
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// Background::Dark
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// };
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// let events = vec![
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// Event::WindowResized(app.window.window_size()),
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// Event::OpenSVG(SVGPath::Resource(svg_filename)),
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// ];
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// app.prepare_frame(events);
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// app.draw_scene(0);
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// app.finish_drawing_frame();
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// while app.dirty {
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// app.prepare_frame(vec![]);
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// app.draw_scene(0);
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// app.finish_drawing_frame();
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// }
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2019-04-09 15:41:15 -04:00
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}
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}
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#[no_mangle]
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2019-04-09 15:33:33 -04:00
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pub unsafe extern "C" fn magicleap_pathfinder_deinit(pf: *mut c_void) {
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Box::from_raw(pf as *mut MagicLeapPathfinder);
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2019-03-09 12:57:44 -05:00
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}
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