Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 682 insertions, 0 deletions

diff --git a/gfx/wr/wrench/src/wrench.rs b/gfx/wr/wrench/src/wrench.rs
new file mode 100644
index 0000000000..058aefbca3
--- /dev/null
+++ b/gfx/wr/wrench/src/wrench.rs
@@ -0,0 +1,682 @@
+/* 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::EventsLoopProxy;
+use std::collections::HashMap;
+use std::path::PathBuf;
+use std::sync::{Arc, Mutex};
+use std::sync::mpsc::Receiver;
+use time;
+use webrender;
+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<EventsLoopProxy>,
+    frames_notified: u32,
+    timing_receiver: chase_lev::Stealer<time::SteadyTime>,
+    verbose: bool,
+}
+
+impl NotifierData {
+    fn new(
+        events_loop_proxy: Option<EventsLoopProxy>,
+        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.wakeup();
+        }
+    }
+}
+
+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,
+                       _render_time: Option<u64>) {
+        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 {
+        match self.root_pipeline_id.take() {
+            Some(root_pipeline_id) => {
+                // 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);
+            }
+            None => {
+                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: &PathBuf, scene: u32) -> PathBuf {
+        let path = format!("scenes/{:05}", scene);
+        root.join(path)
+    }
+
+    fn frame_root(root: &PathBuf, 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 device_pixel_ratio: f32,
+    page_zoom_factor: ZoomFactor,
+
+    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 {
+    pub fn new(
+        window: &mut WindowWrapper,
+        proxy: Option<EventsLoopProxy>,
+        shader_override_path: Option<PathBuf>,
+        use_optimized_shaders: bool,
+        dp_ratio: f32,
+        size: DeviceIntSize,
+        do_rebuild: bool,
+        no_subpixel_aa: bool,
+        verbose: bool,
+        no_scissor: bool,
+        no_batch: bool,
+        precache_shaders: bool,
+        disable_dual_source_blending: bool,
+        zoom_factor: f32,
+        chase_primitive: webrender::ChasePrimitive,
+        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::RendererOptions {
+            device_pixel_ratio: dp_ratio,
+            resource_override_path: shader_override_path,
+            use_optimized_shaders,
+            enable_subpixel_aa: !no_subpixel_aa,
+            debug_flags,
+            enable_clear_scissor: !no_scissor,
+            max_recorded_profiles: 16,
+            precache_flags,
+            blob_image_handler: Some(Box::new(blob::CheckerboardRenderer::new(callbacks.clone()))),
+            chase_primitive,
+            testing: true,
+            max_texture_size: Some(8196), // Needed for rawtest::test_resize_image.
+            allow_dual_source_blending: !disable_dual_source_blending,
+            allow_advanced_blend_equation: true,
+            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.wakeup();
+        }
+
+        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::Renderer::new(
+            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 zoom_factor = ZoomFactor::new(zoom_factor);
+
+        let mut wrench = Wrench {
+            window_size: size,
+
+            renderer,
+            api,
+            document_id,
+            window_title_to_set: None,
+
+            rebuild_display_lists: do_rebuild,
+            verbose,
+            device_pixel_ratio: dp_ratio,
+            page_zoom_factor: ZoomFactor::new(0.0),
+
+            root_pipeline_id: PipelineId(0, 0),
+
+            graphics_api,
+            frame_start_sender: timing_sender,
+
+            callbacks,
+        };
+
+        wrench.set_page_zoom(zoom_factor);
+        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 get_page_zoom(&self) -> ZoomFactor {
+        self.page_zoom_factor
+    }
+
+    pub fn set_page_zoom(&mut self, zoom_factor: ZoomFactor) {
+        if self.page_zoom_factor.get() != zoom_factor.get() {
+            self.page_zoom_factor = zoom_factor;
+            let mut txn = Transaction::new();
+            txn.set_page_zoom(self.page_zoom_factor);
+            self.api.send_transaction(self.document_id, txn);
+            self.set_title("");
+        }
+    }
+
+    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);
+
+            match metric {
+                Some(metric) => {
+                    let glyph_rect = LayoutRect::new(
+                        LayoutPoint::new(cursor.x + metric.left as f32, cursor.y - metric.top as f32),
+                        LayoutSize::new(metric.width as f32, metric.height as f32)
+                    );
+                    bounding_rect = bounding_rect.union(&glyph_rect);
+                    cursor += direction * metric.advance;
+                }
+                None => {
+                    // 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: {} ({}x zoom={}) - {} - {}",
+            extra,
+            self.device_pixel_ratio,
+            self.page_zoom_factor.get(),
+            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, LayoutPoint>,
+    ) {
+        let root_background_color = Some(ColorF::new(1.0, 1.0, 1.0, 1.0));
+
+        let mut txn = Transaction::new();
+        for display_list in display_lists {
+            txn.set_display_list(
+                Epoch(frame_number),
+                root_background_color,
+                self.window_size_f32(),
+                display_list,
+                false,
+            );
+        }
+
+        for (id, offset) in scroll_offsets {
+            txn.scroll_node_with_id(*offset, *id, ScrollClamping::NoClamping);
+        }
+
+        txn.generate_frame(0);
+        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);
+        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 ref co in &color_and_offset {
+            let x = self.device_pixel_ratio * (15.0 + co.1);
+            let mut y = self.device_pixel_ratio * (15.0 + co.1 + dr.line_height());
+            for ref line in &help_lines {
+                dr.add_text(x, y, line, co.0.into(), None);
+                y += self.device_pixel_ratio * 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();
+    }
+}