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Don't apply SDL_HINT_MOUSE_DPI_SCALE_CURSORS on Wayland

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Wayland cursors are surfaces sized in scaled points, so this hint wouldn't change the size, just prevent larger backbuffers from being used to draw sharper scaled cursors.
This commit is contained in:
Frank Praznik 2025-12-10 14:23:35 -05:00
parent 450a2cb5e4
commit c2710bd4e8
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1 changed files with 4 additions and 17 deletions
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21
src/video/wayland/SDL_waylandmouse.c
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@ -1025,21 +1025,6 @@ typedef struct Wayland_PointerObject
bool is_pointer;
} Wayland_PointerObject;
static float Wayland_GetCursorScale(SDL_WindowData *focus)
{
SDL_VideoData *viddata = SDL_GetVideoDevice()->internal;
if (!SDL_GetHintBoolean(SDL_HINT_MOUSE_DPI_SCALE_CURSORS, false)) {
return 1.0f;
}
// If viewports aren't available, the scale is always 1.0.
if (viddata->viewporter && focus) {
return (float)focus->scale_factor;
}
return 1.0f;
}
static void Wayland_CursorStateSetCursor(SDL_WaylandCursorState *state, const Wayland_PointerObject *obj, SDL_WindowData *focus, Uint32 serial, SDL_Cursor *cursor)
{
SDL_VideoData *viddata = SDL_GetVideoDevice()->internal;
@ -1094,14 +1079,16 @@ static void Wayland_CursorStateSetCursor(SDL_WaylandCursorState *state, const Wa
return;
}
state->scale = Wayland_GetCursorScale(focus);
// If viewports aren't available, the scale is always 1.0.
state->scale = viddata->viewporter && focus ? focus->scale_factor : 1.0;
if (!Wayland_GetSystemCursor(cursor_data, state, &dst_width, &hot_x, &hot_y)) {
return;
}
dst_height = dst_width;
} else {
state->scale = Wayland_GetCursorScale(focus);
// If viewports aren't available, the scale is always 1.0.
state->scale = viddata->viewporter && focus ? focus->scale_factor : 1.0;
dst_width = cursor_data->cursor_data.custom.width;
dst_height = cursor_data->cursor_data.custom.height;
hot_x = cursor_data->cursor_data.custom.hot_x;