renderer: Explicit sync fixes (#7151)

Enables explicit sync by default for most platforms

`misc:no_direct_scanout` -> `render:direct_scanout`

1 files changed, 18 insertions, 14 deletions

diff --git a/src/render/OpenGL.cpp b/src/render/OpenGL.cpp
index ea388df0..8875d8f4 100644
--- a/src/render/OpenGL.cpp
+++ b/src/render/OpenGL.cpp
@@ -2870,7 +2870,7 @@ SP<CEGLSync> CHyprOpenGLImpl::createEGLSync(int fenceFD) {
     std::vector<EGLint> attribs;
     int                 dupFd = -1;
     if (fenceFD > 0) {
-        int dupFd = fcntl(fenceFD, F_DUPFD_CLOEXEC, 0);
+        dupFd = fcntl(fenceFD, F_DUPFD_CLOEXEC, 0);
         if (dupFd < 0) {
             Debug::log(ERR, "createEGLSync: dup failed");
             return nullptr;
@@ -2889,8 +2889,18 @@ SP<CEGLSync> CHyprOpenGLImpl::createEGLSync(int fenceFD) {
         return nullptr;
     }
 
-    auto eglsync  = SP<CEGLSync>(new CEGLSync);
-    eglsync->sync = sync;
+    // we need to flush otherwise we might not get a valid fd
+    glFlush();
+
+    int fd = g_pHyprOpenGL->m_sProc.eglDupNativeFenceFDANDROID(g_pHyprOpenGL->m_pEglDisplay, sync);
+    if (fd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
+        Debug::log(ERR, "eglDupNativeFenceFDANDROID failed");
+        return nullptr;
+    }
+
+    auto eglsync   = SP<CEGLSync>(new CEGLSync);
+    eglsync->sync  = sync;
+    eglsync->m_iFd = fd;
     return eglsync;
 }
 
@@ -2983,19 +2993,13 @@ CEGLSync::~CEGLSync() {
 
     if (g_pHyprOpenGL->m_sProc.eglDestroySyncKHR(g_pHyprOpenGL->m_pEglDisplay, sync) != EGL_TRUE)
         Debug::log(ERR, "eglDestroySyncKHR failed");
-}
 
-int CEGLSync::dupFenceFD() {
-    if (sync == EGL_NO_SYNC_KHR)
-        return -1;
-
-    int fd = g_pHyprOpenGL->m_sProc.eglDupNativeFenceFDANDROID(g_pHyprOpenGL->m_pEglDisplay, sync);
-    if (fd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
-        Debug::log(ERR, "eglDupNativeFenceFDANDROID failed");
-        return -1;
-    }
+    if (m_iFd >= 0)
+        close(m_iFd);
+}
 
-    return fd;
+int CEGLSync::fd() {
+    return m_iFd;
 }
 
 bool CEGLSync::wait() {