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wayland: Use preferred_buffer_scale when available

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On wl_compositor >= 6 we bind v6 and use preferred_buffer_scale.
Otherwise we bind 4 and do as before.

No other changes are needed for the version bump as Tracy doesn't use
wl_surface_attach() with nonzero coordinates.
This commit is contained in:
Ivan Molodetskikh 2024-01-24 12:43:42 +04:00
parent 16434f116c
commit fcdc96748e
1 changed files with 12 additions and 1 deletions
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13
profiler/src/BackendWayland.cpp
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@ -165,6 +165,7 @@ static RunQueue* s_mainThreadTasks;
static struct wl_display* s_dpy;
static struct wl_compositor* s_comp;
static uint32_t s_comp_version;
static struct wl_surface* s_surf;
static struct wl_egl_window* s_eglWin;
static struct wl_shm* s_shm;
@ -211,6 +212,9 @@ static bool s_wheel;
static void RecomputeScale()
{
// On wl_compositor >= 6 the scale is sent explicitly via wl_surface.preferred_buffer_scale.
if ( s_comp_version >= 6 ) return;
int max = 1;
for( auto& out : s_output )
{
@ -513,7 +517,8 @@ static void RegistryGlobal( void*, struct wl_registry* reg, uint32_t name, const
{
if( strcmp( interface, wl_compositor_interface.name ) == 0 )
{
s_comp = (wl_compositor*)wl_registry_bind( reg, name, &wl_compositor_interface, 4 );
s_comp_version = version;
s_comp = (wl_compositor*)wl_registry_bind( reg, name, &wl_compositor_interface, version >= 6 ? 6 : 4 );
}
else if( strcmp( interface, wl_shm_interface.name ) == 0 )
{
@ -637,9 +642,15 @@ static void SurfaceLeave( void*, struct wl_surface* surface, struct wl_output* o
}
}
static void SurfacePreferredBufferScale( void*, struct wl_surface* surface, int32_t scale )
{
s_maxScale = scale;
}
constexpr struct wl_surface_listener surfaceListener = {
.enter = SurfaceEnter,
.leave = SurfaceLeave,
.preferred_buffer_scale = SurfacePreferredBufferScale,
};
static void SetupCursor()