From 9110425c72e45f618131b559eba883fd6c5536b4 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Kristian=20H=C3=B8gsberg?= <krh@redhat.com>
Date: Wed, 12 Mar 2008 02:18:12 -0400
Subject: [PATCH] libGL: Pull the drawable hash back out in the generic code.

This will be shared between dri and dri2 code.
---
 src/glx/x11/dri_glx.c   | 22 +++++++++-------------
 src/glx/x11/glxclient.h |  2 ++
 src/glx/x11/glxcmds.c   |  4 +---
 src/glx/x11/glxext.c    | 19 +++++++++++++++++--
 4 files changed, 29 insertions(+), 18 deletions(-)

diff --git a/src/glx/x11/dri_glx.c b/src/glx/x11/dri_glx.c
index a6581465bc2..08e419c1efb 100644
--- a/src/glx/x11/dri_glx.c
+++ b/src/glx/x11/dri_glx.c
@@ -742,6 +742,14 @@ static __GLXDRIcontext *driCreateContext(__GLXscreenConfigs *psc,
     return NULL;
 }
 
+static void driDestroyDrawable(__GLXDRIdrawable *pdraw)
+{
+    __GLXscreenConfigs *psc = pdraw->psc;
+
+    (*pdraw->driDrawable.destroyDrawable)(&pdraw->driDrawable);
+    XF86DRIDestroyDrawable(psc->dpy, psc->scr, pdraw->drawable);
+    Xfree(pdraw);
+}
 
 static __GLXDRIdrawable *driCreateDrawable(__GLXscreenConfigs *psc,
 					   GLXDrawable drawable,
@@ -777,12 +785,7 @@ static __GLXDRIdrawable *driCreateDrawable(__GLXscreenConfigs *psc,
 	return NULL;
     }
 
-    if (__glxHashInsert(psc->drawHash, drawable, pdraw)) {
-	(*pdraw->driDrawable.destroyDrawable)(&pdraw->driDrawable);
-	XF86DRIDestroyDrawable(psc->dpy, psc->scr, drawable);
-	Xfree(pdraw);
-	return NULL;
-    }
+    pdraw->destroyDrawable = driDestroyDrawable;
 
     return pdraw;
 }
@@ -793,8 +796,6 @@ static void driDestroyScreen(__GLXscreenConfigs *psc)
     if (psc->__driScreen.private)
 	(*psc->__driScreen.destroyScreen)(&psc->__driScreen);
     psc->__driScreen.private = NULL;
-    if (psc->drawHash)
-	__glxHashDestroy(psc->drawHash);
     if (psc->driver)
 	dlclose(psc->driver);
 }
@@ -810,11 +811,6 @@ static __GLXDRIscreen *driCreateScreen(__GLXscreenConfigs *psc, int screen,
     if (psp == NULL)
 	return NULL;
 
-    /* Create drawable hash */
-    psc->drawHash = __glxHashCreate();
-    if ( psc->drawHash == NULL )
-	return NULL;
-
     /* Initialize per screen dynamic client GLX extensions */
     psc->ext_list_first_time = GL_TRUE;
 
diff --git a/src/glx/x11/glxclient.h b/src/glx/x11/glxclient.h
index 259add75958..730caf73024 100644
--- a/src/glx/x11/glxclient.h
+++ b/src/glx/x11/glxclient.h
@@ -132,6 +132,8 @@ struct __GLXDRIcontextRec {
 };
 
 struct __GLXDRIdrawableRec {
+    void (*destroyDrawable)(__GLXDRIdrawable *drawable);
+
     XID drawable;
     __GLXscreenConfigs *psc;
     __DRIdrawable driDrawable;
diff --git a/src/glx/x11/glxcmds.c b/src/glx/x11/glxcmds.c
index 1437ea54425..adf53116745 100644
--- a/src/glx/x11/glxcmds.c
+++ b/src/glx/x11/glxcmds.c
@@ -99,10 +99,8 @@ static void GarbageCollectDRIDrawables(Display *dpy, __GLXscreenConfigs *sc)
 	    if (!windowExistsFlag) {
 		/* Destroy the local drawable data, if the drawable no
 		   longer exists in the Xserver */
-		(*pdraw->driDrawable.destroyDrawable)(&pdraw->driDrawable);
-		XF86DRIDestroyDrawable(dpy, sc->scr, draw);
+		(*pdraw->destroyDrawable)(pdraw);
                 __glxHashDelete(sc->drawHash, draw);
-		Xfree(pdraw);
 	    }
 	} while (__glxHashNext(sc->drawHash, &draw, (void *)&pdraw) == 1);
     }
diff --git a/src/glx/x11/glxext.c b/src/glx/x11/glxext.c
index 077398fe33f..1d9be297414 100644
--- a/src/glx/x11/glxext.c
+++ b/src/glx/x11/glxext.c
@@ -350,6 +350,8 @@ static void FreeScreenConfigs(__GLXdisplayPrivate *priv)
 #ifdef GLX_DIRECT_RENDERING
 	if (psc->driScreen)
 	    psc->driScreen->destroyScreen(psc);
+	if (psc->drawHash)
+	    __glxHashDestroy(psc->drawHash);
 #endif
     }
     XFree((char*) priv->screenConfigs);
@@ -772,8 +774,15 @@ static Bool AllocAndFetchScreenConfigs(Display *dpy, __GLXdisplayPrivate *priv)
 	psc->scr = i;
 	psc->dpy = dpy;
 #ifdef GLX_DIRECT_RENDERING
-	if (priv->driDisplay)
+	if (priv->driDisplay) {
+	    /* Create drawable hash */
+	    psc->drawHash = __glxHashCreate();
+	    if (psc->drawHash == NULL)
+		continue;
 	    psc->driScreen = (*priv->driDisplay->createScreen)(psc, i, priv);
+	    if (psc->driScreen == NULL)
+		__glxHashDestroy(psc->drawHash);
+	}
 #endif
     }
     SyncHandle();
@@ -1192,7 +1201,13 @@ FetchDRIDrawable(Display *dpy, GLXDrawable drawable, GLXContext gc)
     if (__glxHashLookup(psc->drawHash, drawable, (void *) &pdraw) == 0)
 	return pdraw;
 
-    return psc->driScreen->createDrawable(psc, drawable, gc);
+    pdraw = psc->driScreen->createDrawable(psc, drawable, gc);
+    if (__glxHashInsert(psc->drawHash, drawable, pdraw)) {
+	(*pdraw->destroyDrawable)(pdraw);
+	return NULL;
+    }
+
+    return pdraw;
 }
 #endif /* GLX_DIRECT_RENDERING */
 
-- 
2.30.2