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[PATCH v5 0/1] MR7806: winewayland: Implement relative motion accumulator
by Etaash Mathamsetty (＠etaash.mathamsetty) 17 Apr '25

17 Apr '25

Gets rid of the dead mouse issue when you move the mouse slowly -- v5: winewayland: Implement relative motion accumulator https://gitlab.winehq.org/wine/wine/-/merge_requests/7806

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[PATCH v7 0/2] MR7032: Add embeddedbrowserwebview aka. WebView2 DLL stub.
by Bernhard Kölbl (＠besentv) 17 Apr '25

17 Apr '25

(For after the code freeze.) I think we want to have this DLL living in Wine for easier development, and probably dynamically load our custom Chromium fork from here. (just like MSHTML and wine-Gecko) The code for that fork could then be created in its own repo. -- v7: embeddedbrowserwebview: Create CreateWebViewEnvironmentWithOptionsInternal stub. embeddedbrowserwebview: Add stub dll. https://gitlab.winehq.org/wine/wine/-/merge_requests/7032

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[PATCH 0/6] MR7844: PDB rewrite #9.
by eric pouech (＠epo) 17 Apr '25

17 Apr '25

This serie implements the migration of some type into the new PDB reader. During the migration phase (this serie and next one), the types (A) will: - always be loaded by old PDB reader, - be migrated accoring to the type's tag (UDT, pointer, enum...), one commit for each tag by: + storing in new PDB reader an offset to that type inside the PDB file, + requesting type details directly from the file. (A) typedef:s are handled differently than the other types, so they'll be taken care of later on. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/7844

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Re: [PATCH v4 0/1] MR7806: winewayland: Implement relative motion accumulator
by Alexandros Frantzis (＠afrantzis) 17 Apr '25

17 Apr '25

Alexandros Frantzis (@afrantzis) commented about dlls/winewayland.drv/wayland_pointer.c: > > if (!(hwnd = wayland_pointer_get_focused_hwnd())) return; > if (!(data = wayland_win_data_get(hwnd))) return; > + if (!private) return; > > - wayland_surface_coords_to_window(data->wayland_surface, > + wayland_motion_delta_to_window(data->wayland_surface, > wl_fixed_to_double(dx), > wl_fixed_to_double(dy), > - (int *)&screen.x, (int *)&screen.y); > - > + &screen.x, &screen.y); > wayland_win_data_release(data); > > + d_accum->x += screen.x; > + d_accum->y += screen.y; The accum x and y are accessed in two contexts: in `wayland_pointer_update_constraint` for the zeroing, and also updated here in relative motion handler. These may be running concurrently in different threads, and since access to doubles may not be atomic we ideally need to protect the variables. Especially with the suggestion below to place them in wayland_pointer instead, it's straightforward to guard these in the relative motion handler with the wayland_pointer mutex. Note that even with the lock, there are some Wayland event races left that are harder to resolve (e.g., Thread1: relative motion handler starts running, Thread2: zero accum and destroy relative motion, Thread1: handler updates accum), but at least we won't end up with some half-updated `double` value, and the worst case is then only a very small glitch. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/7806#note_101267

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Re: [PATCH v4 0/1] MR7806: winewayland: Implement relative motion accumulator
by Alexandros Frantzis (＠afrantzis) 17 Apr '25

17 Apr '25

Alexandros Frantzis (@afrantzis) commented about dlls/winewayland.drv/wayland_pointer.c: > process_wayland.zwp_relative_pointer_manager_v1, > pointer->wl_pointer); > zwp_relative_pointer_v1_add_listener(pointer->zwp_relative_pointer_v1, > - &relative_pointer_v1_listener, NULL); > + &relative_pointer_v1_listener, &accum); > TRACE("Enabling relative motion\n"); > } > else if (!needs_relative && pointer->zwp_relative_pointer_v1) > { > + memset(&accum, 0, sizeof(accum)); I would recommend setting the doubles explicitly with `= 0.0`, as memset(0) of double variables is undefined behavior (from a C standard perspective, although you'd be hard-pressed to find a system where this causes a problem). -- https://gitlab.winehq.org/wine/wine/-/merge_requests/7806#note_101266

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Re: [PATCH v4 0/1] MR7806: winewayland: Implement relative motion accumulator
by Alexandros Frantzis (＠afrantzis) 17 Apr '25

17 Apr '25

Alexandros Frantzis (@afrantzis) commented about dlls/winewayland.drv/waylanddrv.h: > pthread_mutex_t mutex; > }; > > +struct wayland_point > +{ > + double x; > + double y; > +}; With the move of accumulated x and y to `wayland_pointer` I don't think there is much benefit in a `struct wayland_point` anymore. A plain `double accum_x, accum_y;` or similar is enough. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/7806#note_101265

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Re: [PATCH v4 0/1] MR7806: winewayland: Implement relative motion accumulator
by Alexandros Frantzis (＠afrantzis) 17 Apr '25

17 Apr '25

Alexandros Frantzis (@afrantzis) commented about dlls/winewayland.drv/wayland_pointer.c: > { > INPUT input = {0}; > HWND hwnd; > - POINT screen; > + struct wayland_point screen = {0.0}, *d_accum = private; > struct wayland_win_data *data; > > if (!(hwnd = wayland_pointer_get_focused_hwnd())) return; > if (!(data = wayland_win_data_get(hwnd))) return; > + if (!private) return; > > - wayland_surface_coords_to_window(data->wayland_surface, > + wayland_motion_delta_to_window(data->wayland_surface, > wl_fixed_to_double(dx), Nit: realign to arguments above -- https://gitlab.winehq.org/wine/wine/-/merge_requests/7806#note_101264

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Re: [PATCH v4 0/1] MR7806: winewayland: Implement relative motion accumulator
by Alexandros Frantzis (＠afrantzis) 17 Apr '25

17 Apr '25

Alexandros Frantzis (@afrantzis) commented about dlls/winewayland.drv/wayland_pointer.c: > process_wayland.zwp_relative_pointer_manager_v1, > pointer->wl_pointer); > zwp_relative_pointer_v1_add_listener(pointer->zwp_relative_pointer_v1, > - &relative_pointer_v1_listener, NULL); > + &relative_pointer_v1_listener, &accum); Let's place the accumulated x and y values in wayland_pointer, since it's really a per-pointer state (currently per-process since we have a single pointer). -- https://gitlab.winehq.org/wine/wine/-/merge_requests/7806#note_101263

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Re: [PATCH v4 0/1] MR7806: winewayland: Implement relative motion accumulator
by Alexandros Frantzis (＠afrantzis) 17 Apr '25

17 Apr '25

Alexandros Frantzis (@afrantzis) commented about dlls/winewayland.drv/wayland_pointer.c: > pointer_handle_axis_discrete > }; > > +/********************************************************************** > + * wayland_motion_delta_to_window > + * > + * Converts the surface-local delta to window (logical) coordinate delta. > + */ > +static void wayland_motion_delta_to_window(struct wayland_surface *surface, > + double surface_x, double surface_y, > + double *window_x, double *window_y) Nit: Align with parameters above -- https://gitlab.winehq.org/wine/wine/-/merge_requests/7806#note_101262

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Re: [PATCH v2 0/1] MR7833: mf: Update state and start clock for both paused and stopped.
by Nikolay Sivov (＠nsivov) 17 Apr '25

17 Apr '25

I'm using this demo player based on mfplay https://github.com/microsoft/Windows-classic-samples/tree/main/Samples/Win7…, and start->pause->restart works fine there for the audio. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/7833#note_101261

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