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Add wlr_buffer destroy callback.

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Couldn't find a wlr_buffer creation callback, so doing some
work on commit.
This commit is contained in:
Bas Nieuwenhuizen 2021-10-18 21:36:04 +02:00 committed by Pierre-Loup A. Griffais
parent c0d745baac
commit 5fc9df512c
1 changed files with 33 additions and 0 deletions
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33
src/steamcompmgr.cpp
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@ -300,6 +300,14 @@ static bool useXRes = true;
std::mutex wayland_commit_lock; std::mutex wayland_commit_lock;
std::vector<ResListEntry_t> wayland_commit_queue; std::vector<ResListEntry_t> wayland_commit_queue;
struct wlr_buffer_map_entry {
struct wl_listener listener;
struct wlr_buffer *buf;
};
static std::mutex wlr_buffer_map_lock;
static std::unordered_map<struct wlr_buffer*, wlr_buffer_map_entry> wlr_buffer_map;
static std::atomic< bool > g_bTakeScreenshot{false}; static std::atomic< bool > g_bTakeScreenshot{false};
static int g_nudgePipe[2] = {-1, -1}; static int g_nudgePipe[2] = {-1, -1};
@ -612,6 +620,18 @@ static win * find_win( struct wlr_surface *surf )
return nullptr; return nullptr;
} }
static void
destroy_buffer( struct wl_listener *listener, void * )
{
std::lock_guard<std::mutex> lock( wlr_buffer_map_lock );
wlr_buffer_map_entry *entry = wl_container_of( listener, entry, listener );
wl_list_remove( &entry->listener.link );
/* Has to be the last thing we do as this deletes *entry. */
wlr_buffer_map.erase( wlr_buffer_map.find( entry->buf ) );
}
static void static void
release_commit( commit_t &commit ) release_commit( commit_t &commit )
{ {
@ -635,6 +655,8 @@ release_commit( commit_t &commit )
static bool static bool
import_commit ( struct wlr_buffer *buf, commit_t &commit ) import_commit ( struct wlr_buffer *buf, commit_t &commit )
{ {
std::lock_guard<std::mutex> lock( wlr_buffer_map_lock );
commit.buf = buf; commit.buf = buf;
commit.vulkanTex = vulkan_create_texture_from_wlr_buffer( buf ); commit.vulkanTex = vulkan_create_texture_from_wlr_buffer( buf );
@ -650,6 +672,17 @@ import_commit ( struct wlr_buffer *buf, commit_t &commit )
commit.fb_id = 0; commit.fb_id = 0;
} }
auto it = wlr_buffer_map.find( buf );
if ( it == wlr_buffer_map.end() )
{
wlr_buffer_map_entry& entry = wlr_buffer_map[buf];
entry.listener.notify = destroy_buffer;
entry.buf = buf;
wlserver_lock();
wl_signal_add( &buf->events.destroy, &entry.listener );
wlserver_unlock();
}
return true; return true;
} }