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-rw-r--r--gfx/wr/wrench/src/wrench.rs641
1 files changed, 641 insertions, 0 deletions
diff --git a/gfx/wr/wrench/src/wrench.rs b/gfx/wr/wrench/src/wrench.rs
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+++ b/gfx/wr/wrench/src/wrench.rs
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+use crate::blob;
+use crossbeam::sync::chase_lev;
+#[cfg(windows)]
+use dwrote;
+#[cfg(all(unix, not(target_os = "android")))]
+use font_loader::system_fonts;
+use winit::event_loop::EventLoopProxy;
+use std::collections::HashMap;
+use std::path::{Path, PathBuf};
+use std::sync::{Arc, Mutex};
+use std::sync::mpsc::Receiver;
+use webrender::api::*;
+use webrender::render_api::*;
+use webrender::api::units::*;
+use webrender::{DebugFlags, RenderResults, ShaderPrecacheFlags};
+use crate::{WindowWrapper, NotifierEvent};
+
+// TODO(gw): This descriptor matches what we currently support for fonts
+// but is quite a mess. We should at least document and
+// use better types for things like the style and stretch.
+#[derive(Debug, Clone, Hash, PartialEq, Eq)]
+pub enum FontDescriptor {
+ Path { path: PathBuf, font_index: u32 },
+ Family { name: String },
+ Properties {
+ family: String,
+ weight: u32,
+ style: u32,
+ stretch: u32,
+ },
+}
+
+struct NotifierData {
+ events_loop_proxy: Option<EventLoopProxy<()>>,
+ frames_notified: u32,
+ timing_receiver: chase_lev::Stealer<time::SteadyTime>,
+ verbose: bool,
+}
+
+impl NotifierData {
+ fn new(
+ events_loop_proxy: Option<EventLoopProxy<()>>,
+ timing_receiver: chase_lev::Stealer<time::SteadyTime>,
+ verbose: bool,
+ ) -> Self {
+ NotifierData {
+ events_loop_proxy,
+ frames_notified: 0,
+ timing_receiver,
+ verbose,
+ }
+ }
+}
+
+struct Notifier(Arc<Mutex<NotifierData>>);
+
+impl Notifier {
+ fn update(&self, check_document: bool) {
+ let mut data = self.0.lock();
+ let data = data.as_mut().unwrap();
+ if check_document {
+ match data.timing_receiver.steal() {
+ chase_lev::Steal::Data(last_timing) => {
+ data.frames_notified += 1;
+ if data.verbose && data.frames_notified == 600 {
+ let elapsed = time::SteadyTime::now() - last_timing;
+ println!(
+ "frame latency (consider queue depth here): {:3.6} ms",
+ elapsed.num_microseconds().unwrap() as f64 / 1000.
+ );
+ data.frames_notified = 0;
+ }
+ }
+ _ => {
+ println!("Notified of frame, but no frame was ready?");
+ }
+ }
+ }
+
+ if let Some(ref _elp) = data.events_loop_proxy {
+ #[cfg(not(target_os = "android"))]
+ let _ = _elp.send_event(());
+ }
+ }
+}
+
+impl RenderNotifier for Notifier {
+ fn clone(&self) -> Box<dyn RenderNotifier> {
+ Box::new(Notifier(self.0.clone()))
+ }
+
+ fn wake_up(&self, _composite_needed: bool) {
+ self.update(false);
+ }
+
+ fn new_frame_ready(&self, _: DocumentId,
+ scrolled: bool,
+ _composite_needed: bool,
+ _: FramePublishId) {
+ self.update(!scrolled);
+ }
+}
+
+pub trait WrenchThing {
+ fn next_frame(&mut self);
+ fn prev_frame(&mut self);
+ fn do_frame(&mut self, _: &mut Wrench) -> u32;
+}
+
+impl WrenchThing for CapturedDocument {
+ fn next_frame(&mut self) {}
+ fn prev_frame(&mut self) {}
+ fn do_frame(&mut self, wrench: &mut Wrench) -> u32 {
+ if let Some(root_pipeline_id) = self.root_pipeline_id.take() {
+ // skip the first frame - to not overwrite the loaded one
+ let mut txn = Transaction::new();
+ txn.set_root_pipeline(root_pipeline_id);
+ wrench.api.send_transaction(self.document_id, txn);
+ } else {
+ wrench.refresh();
+ }
+ 0
+ }
+}
+
+pub struct CapturedSequence {
+ root: PathBuf,
+ frame: usize,
+ frame_set: Vec<(u32, u32)>,
+}
+
+impl CapturedSequence {
+ pub fn new(root: PathBuf, scene_start: u32, frame_start: u32) -> Self {
+ // Build set of a scene and frame IDs.
+ let mut scene = scene_start;
+ let mut frame = frame_start;
+ let mut frame_set = Vec::new();
+ while Self::scene_root(&root, scene).as_path().is_dir() {
+ while Self::frame_root(&root, scene, frame).as_path().is_dir() {
+ frame_set.push((scene, frame));
+ frame += 1;
+ }
+ scene += 1;
+ frame = 1;
+ }
+
+ assert!(!frame_set.is_empty());
+
+ Self {
+ root,
+ frame: 0,
+ frame_set,
+ }
+ }
+
+ fn scene_root(root: &Path, scene: u32) -> PathBuf {
+ let path = format!("scenes/{:05}", scene);
+ root.join(path)
+ }
+
+ fn frame_root(root: &Path, scene: u32, frame: u32) -> PathBuf {
+ let path = format!("scenes/{:05}/frames/{:05}", scene, frame);
+ root.join(path)
+ }
+}
+
+impl WrenchThing for CapturedSequence {
+ fn next_frame(&mut self) {
+ if self.frame + 1 < self.frame_set.len() {
+ self.frame += 1;
+ }
+ }
+
+ fn prev_frame(&mut self) {
+ if self.frame > 0 {
+ self.frame -= 1;
+ }
+ }
+
+ fn do_frame(&mut self, wrench: &mut Wrench) -> u32 {
+ let mut documents = wrench.api.load_capture(self.root.clone(), Some(self.frame_set[self.frame]));
+ println!("loaded {:?} from {:?}",
+ documents.iter().map(|cd| cd.document_id).collect::<Vec<_>>(),
+ self.frame_set[self.frame]);
+ let captured = documents.swap_remove(0);
+ wrench.document_id = captured.document_id;
+ self.frame as u32
+ }
+}
+
+pub struct Wrench {
+ window_size: DeviceIntSize,
+
+ pub renderer: webrender::Renderer,
+ pub api: RenderApi,
+ pub document_id: DocumentId,
+ pub root_pipeline_id: PipelineId,
+
+ window_title_to_set: Option<String>,
+
+ graphics_api: webrender::GraphicsApiInfo,
+
+ pub rebuild_display_lists: bool,
+ pub verbose: bool,
+
+ pub frame_start_sender: chase_lev::Worker<time::SteadyTime>,
+
+ pub callbacks: Arc<Mutex<blob::BlobCallbacks>>,
+}
+
+impl Wrench {
+ #[allow(clippy::too_many_arguments)]
+ pub fn new(
+ window: &mut WindowWrapper,
+ proxy: Option<EventLoopProxy<()>>,
+ shader_override_path: Option<PathBuf>,
+ use_optimized_shaders: bool,
+ size: DeviceIntSize,
+ do_rebuild: bool,
+ no_subpixel_aa: bool,
+ verbose: bool,
+ no_scissor: bool,
+ no_batch: bool,
+ precache_shaders: bool,
+ dump_shader_source: Option<String>,
+ notifier: Option<Box<dyn RenderNotifier>>,
+ ) -> Self {
+ println!("Shader override path: {:?}", shader_override_path);
+
+ let mut debug_flags = DebugFlags::ECHO_DRIVER_MESSAGES;
+ debug_flags.set(DebugFlags::DISABLE_BATCHING, no_batch);
+ let callbacks = Arc::new(Mutex::new(blob::BlobCallbacks::new()));
+
+ let precache_flags = if precache_shaders {
+ ShaderPrecacheFlags::FULL_COMPILE
+ } else {
+ ShaderPrecacheFlags::empty()
+ };
+
+ let opts = webrender::WebRenderOptions {
+ resource_override_path: shader_override_path,
+ use_optimized_shaders,
+ enable_subpixel_aa: !no_subpixel_aa,
+ debug_flags,
+ enable_clear_scissor: no_scissor.then_some(false),
+ max_recorded_profiles: 16,
+ precache_flags,
+ blob_image_handler: Some(Box::new(blob::CheckerboardRenderer::new(callbacks.clone()))),
+ testing: true,
+ max_internal_texture_size: Some(8196), // Needed for rawtest::test_resize_image.
+ allow_advanced_blend_equation: window.is_software(),
+ dump_shader_source,
+ // SWGL doesn't support the GL_ALWAYS depth comparison function used by
+ // `clear_caches_with_quads`, but scissored clears work well.
+ clear_caches_with_quads: !window.is_software(),
+ ..Default::default()
+ };
+
+ // put an Awakened event into the queue to kick off the first frame
+ if let Some(ref _elp) = proxy {
+ #[cfg(not(target_os = "android"))]
+ let _ = _elp.send_event(());
+ }
+
+ let (timing_sender, timing_receiver) = chase_lev::deque();
+ let notifier = notifier.unwrap_or_else(|| {
+ let data = Arc::new(Mutex::new(NotifierData::new(proxy, timing_receiver, verbose)));
+ Box::new(Notifier(data))
+ });
+
+ let (renderer, sender) = webrender::create_webrender_instance(
+ window.clone_gl(),
+ notifier,
+ opts,
+ None,
+ ).unwrap();
+
+ let api = sender.create_api();
+ let document_id = api.add_document(size);
+
+ let graphics_api = renderer.get_graphics_api_info();
+
+ let mut wrench = Wrench {
+ window_size: size,
+
+ renderer,
+ api,
+ document_id,
+ window_title_to_set: None,
+
+ rebuild_display_lists: do_rebuild,
+ verbose,
+
+ root_pipeline_id: PipelineId(0, 0),
+
+ graphics_api,
+ frame_start_sender: timing_sender,
+
+ callbacks,
+ };
+
+ wrench.set_title("start");
+ let mut txn = Transaction::new();
+ txn.set_root_pipeline(wrench.root_pipeline_id);
+ wrench.api.send_transaction(wrench.document_id, txn);
+
+ wrench
+ }
+
+ pub fn set_quality_settings(&mut self, settings: QualitySettings) {
+ let mut txn = Transaction::new();
+ txn.set_quality_settings(settings);
+ self.api.send_transaction(self.document_id, txn);
+ }
+
+ pub fn layout_simple_ascii(
+ &mut self,
+ font_key: FontKey,
+ instance_key: FontInstanceKey,
+ text: &str,
+ size: f32,
+ origin: LayoutPoint,
+ flags: FontInstanceFlags,
+ ) -> (Vec<u32>, Vec<LayoutPoint>, LayoutRect) {
+ // Map the string codepoints to glyph indices in this font.
+ // Just drop any glyph that isn't present in this font.
+ let indices: Vec<u32> = self.api
+ .get_glyph_indices(font_key, text)
+ .iter()
+ .filter_map(|idx| *idx)
+ .collect();
+
+ // Retrieve the metrics for each glyph.
+ let metrics = self.api.get_glyph_dimensions(instance_key, indices.clone());
+
+ let mut bounding_rect = LayoutRect::zero();
+ let mut positions = Vec::new();
+
+ let mut cursor = origin;
+ let direction = if flags.contains(FontInstanceFlags::TRANSPOSE) {
+ LayoutVector2D::new(
+ 0.0,
+ if flags.contains(FontInstanceFlags::FLIP_Y) { -1.0 } else { 1.0 },
+ )
+ } else {
+ LayoutVector2D::new(
+ if flags.contains(FontInstanceFlags::FLIP_X) { -1.0 } else { 1.0 },
+ 0.0,
+ )
+ };
+ for metric in metrics {
+ positions.push(cursor);
+
+ if let Some(GlyphDimensions { left, top, width, height, advance }) = metric {
+ let glyph_rect = LayoutRect::from_origin_and_size(
+ LayoutPoint::new(cursor.x + left as f32, cursor.y - top as f32),
+ LayoutSize::new(width as f32, height as f32)
+ );
+ bounding_rect = bounding_rect.union(&glyph_rect);
+ cursor += direction * advance;
+ } else {
+ // Extract the advances from the metrics. The get_glyph_dimensions API
+ // has a limitation that it can't currently get dimensions for non-renderable
+ // glyphs (e.g. spaces), so just use a rough estimate in that case.
+ let space_advance = size / 3.0;
+ cursor += direction * space_advance;
+ }
+ }
+
+ // The platform font implementations don't always handle
+ // the exact dimensions used when subpixel AA is enabled
+ // on glyphs. As a workaround, inflate the bounds by
+ // 2 pixels on either side, to give a slightly less
+ // tight fitting bounding rect.
+ let bounding_rect = bounding_rect.inflate(2.0, 2.0);
+
+ (indices, positions, bounding_rect)
+ }
+
+ pub fn set_title(&mut self, extra: &str) {
+ self.window_title_to_set = Some(format!(
+ "Wrench: {} - {} - {}",
+ extra,
+ self.graphics_api.renderer,
+ self.graphics_api.version
+ ));
+ }
+
+ pub fn take_title(&mut self) -> Option<String> {
+ self.window_title_to_set.take()
+ }
+
+ pub fn should_rebuild_display_lists(&self) -> bool {
+ self.rebuild_display_lists
+ }
+
+ pub fn window_size_f32(&self) -> LayoutSize {
+ LayoutSize::new(
+ self.window_size.width as f32,
+ self.window_size.height as f32,
+ )
+ }
+
+ #[cfg(target_os = "windows")]
+ pub fn font_key_from_native_handle(&mut self, descriptor: &NativeFontHandle) -> FontKey {
+ let key = self.api.generate_font_key();
+ let mut txn = Transaction::new();
+ txn.add_native_font(key, descriptor.clone());
+ self.api.send_transaction(self.document_id, txn);
+ key
+ }
+
+ #[cfg(target_os = "windows")]
+ pub fn font_key_from_name(&mut self, font_name: &str) -> FontKey {
+ self.font_key_from_properties(
+ font_name,
+ dwrote::FontWeight::Regular.to_u32(),
+ dwrote::FontStyle::Normal.to_u32(),
+ dwrote::FontStretch::Normal.to_u32(),
+ )
+ }
+
+ #[cfg(target_os = "windows")]
+ pub fn font_key_from_properties(
+ &mut self,
+ family: &str,
+ weight: u32,
+ style: u32,
+ stretch: u32,
+ ) -> FontKey {
+ let weight = dwrote::FontWeight::from_u32(weight);
+ let style = dwrote::FontStyle::from_u32(style);
+ let stretch = dwrote::FontStretch::from_u32(stretch);
+ let desc = dwrote::FontDescriptor {
+ family_name: family.to_owned(),
+ weight,
+ style,
+ stretch,
+ };
+ let system_fc = dwrote::FontCollection::system();
+ if let Some(font) = system_fc.get_font_from_descriptor(&desc) {
+ let face = font.create_font_face();
+ let files = face.get_files();
+ if files.len() == 1 {
+ if let Some(path) = files[0].get_font_file_path() {
+ return self.font_key_from_native_handle(&NativeFontHandle {
+ path,
+ index: face.get_index(),
+ });
+ }
+ }
+ }
+ panic!("failed loading font from properties {:?}", desc)
+ }
+
+ #[cfg(all(unix, not(target_os = "android")))]
+ pub fn font_key_from_properties(
+ &mut self,
+ family: &str,
+ _weight: u32,
+ _style: u32,
+ _stretch: u32,
+ ) -> FontKey {
+ let property = system_fonts::FontPropertyBuilder::new()
+ .family(family)
+ .build();
+ let (font, index) = system_fonts::get(&property).unwrap();
+ self.font_key_from_bytes(font, index as u32)
+ }
+
+ #[cfg(target_os = "android")]
+ pub fn font_key_from_properties(
+ &mut self,
+ _family: &str,
+ _weight: u32,
+ _style: u32,
+ _stretch: u32,
+ ) -> FontKey {
+ unimplemented!()
+ }
+
+ #[cfg(all(unix, not(target_os = "android")))]
+ pub fn font_key_from_name(&mut self, font_name: &str) -> FontKey {
+ let property = system_fonts::FontPropertyBuilder::new()
+ .family(font_name)
+ .build();
+ let (font, index) = system_fonts::get(&property).unwrap();
+ self.font_key_from_bytes(font, index as u32)
+ }
+
+ #[cfg(target_os = "android")]
+ pub fn font_key_from_name(&mut self, _font_name: &str) -> FontKey {
+ unimplemented!()
+ }
+
+ pub fn font_key_from_bytes(&mut self, bytes: Vec<u8>, index: u32) -> FontKey {
+ let key = self.api.generate_font_key();
+ let mut txn = Transaction::new();
+ txn.add_raw_font(key, bytes, index);
+ self.api.send_transaction(self.document_id, txn);
+ key
+ }
+
+ pub fn add_font_instance(&mut self,
+ font_key: FontKey,
+ size: f32,
+ flags: FontInstanceFlags,
+ render_mode: Option<FontRenderMode>,
+ bg_color: Option<ColorU>,
+ synthetic_italics: SyntheticItalics,
+ ) -> FontInstanceKey {
+ let key = self.api.generate_font_instance_key();
+ let mut txn = Transaction::new();
+ let mut options: FontInstanceOptions = Default::default();
+ options.flags |= flags;
+ if let Some(render_mode) = render_mode {
+ options.render_mode = render_mode;
+ }
+ if let Some(bg_color) = bg_color {
+ options.bg_color = bg_color;
+ }
+ options.synthetic_italics = synthetic_italics;
+ txn.add_font_instance(key, font_key, size, Some(options), None, Vec::new());
+ self.api.send_transaction(self.document_id, txn);
+ key
+ }
+
+ #[allow(dead_code)]
+ pub fn delete_font_instance(&mut self, key: FontInstanceKey) {
+ let mut txn = Transaction::new();
+ txn.delete_font_instance(key);
+ self.api.send_transaction(self.document_id, txn);
+ }
+
+ pub fn update(&mut self, dim: DeviceIntSize) {
+ if dim != self.window_size {
+ self.window_size = dim;
+ }
+ }
+
+ pub fn begin_frame(&mut self) {
+ self.frame_start_sender.push(time::SteadyTime::now());
+ }
+
+ pub fn send_lists(
+ &mut self,
+ frame_number: u32,
+ display_lists: Vec<(PipelineId, BuiltDisplayList)>,
+ scroll_offsets: &HashMap<ExternalScrollId, Vec<SampledScrollOffset>>,
+ ) {
+ let mut txn = Transaction::new();
+ for display_list in display_lists {
+ txn.set_display_list(
+ Epoch(frame_number),
+ display_list,
+ );
+ }
+
+ for (id, offsets) in scroll_offsets {
+ txn.set_scroll_offsets(*id, offsets.clone());
+ }
+
+ txn.generate_frame(0, RenderReasons::TESTING);
+ self.api.send_transaction(self.document_id, txn);
+ }
+
+ pub fn get_frame_profiles(
+ &mut self,
+ ) -> (Vec<webrender::CpuProfile>, Vec<webrender::GpuProfile>) {
+ self.renderer.get_frame_profiles()
+ }
+
+ pub fn render(&mut self) -> RenderResults {
+ self.renderer.update();
+ let _ = self.renderer.flush_pipeline_info();
+ self.renderer
+ .render(self.window_size, 0)
+ .expect("errors encountered during render!")
+ }
+
+ pub fn refresh(&mut self) {
+ self.begin_frame();
+ let mut txn = Transaction::new();
+ txn.generate_frame(0, RenderReasons::TESTING);
+ self.api.send_transaction(self.document_id, txn);
+ }
+
+ pub fn show_onscreen_help(&mut self) {
+ let help_lines = [
+ "Esc - Quit",
+ "H - Toggle help",
+ "R - Toggle recreating display items each frame",
+ "P - Toggle profiler",
+ "O - Toggle showing intermediate targets",
+ "I - Toggle showing texture caches",
+ "B - Toggle showing alpha primitive rects",
+ "V - Toggle showing overdraw",
+ "G - Toggle showing gpu cache updates",
+ "S - Toggle compact profiler",
+ "Q - Toggle GPU queries for time and samples",
+ "M - Trigger memory pressure event",
+ "T - Save CPU profile to a file",
+ "C - Save a capture to captures/wrench/",
+ "X - Do a hit test at the current cursor position",
+ "Y - Clear all caches",
+ ];
+
+ let color_and_offset = [(ColorF::BLACK, 2.0), (ColorF::WHITE, 0.0)];
+ self.renderer.device.begin_frame(); // next line might compile shaders:
+ let dr = self.renderer.debug_renderer().unwrap();
+
+ for co in &color_and_offset {
+ let x = 15.0 + co.1;
+ let mut y = 15.0 + co.1 + dr.line_height();
+ for line in &help_lines {
+ dr.add_text(x, y, line, co.0.into(), None);
+ y += dr.line_height();
+ }
+ }
+ self.renderer.device.end_frame();
+ }
+
+ pub fn shut_down(self, rx: Receiver<NotifierEvent>) {
+ self.api.shut_down(true);
+
+ loop {
+ match rx.recv() {
+ Ok(NotifierEvent::ShutDown) => { break; }
+ Ok(_) => {}
+ Err(e) => { panic!("Did not shut down properly: {:?}.", e); }
+ }
+ }
+
+ self.renderer.deinit();
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-07 16:26:24 +0000