[PATCH] Delete redundant GC initializations.

[Jamey Sharp]

When a GC is allocated, it is zeroed, including all storage requested
with dixRegisterPrivateKey. So CreateGC hooks don't need to initialize
anything to zero.

Signed-off-by: Jamey Sharp <jamey at minilop.net>
---
 fb/fbgc.c              |    8 +-------
 hw/xfree86/xaa/xaaGC.c |    5 -----
 hw/xnest/GC.c          |    3 ---
 hw/xwin/wingc.c        |    5 -----
 miext/cw/cw.c          |    1 -
 miext/damage/damage.c  |    1 -
 6 files changed, 1 insertions(+), 22 deletions(-)

diff --git a/fb/fbgc.c b/fb/fbgc.c
index 45e981b..b27a030 100644
--- a/fb/fbgc.c
+++ b/fb/fbgc.c
@@ -64,19 +64,13 @@ const GCOps	fbGCOps = {
 Bool
 fbCreateGC(GCPtr pGC)
 {
-    pGC->clientClip = NULL;
-    pGC->clientClipType = CT_NONE;
-
     pGC->ops = (GCOps *) &fbGCOps;
     pGC->funcs = (GCFuncs *) &fbGCFuncs;
 
     /* fb wants to translate before scan conversion */
     pGC->miTranslate = 1;
+    pGC->fExpose = 1;
 
-    fbGetRotatedPixmap(pGC) = 0;
-    fbGetExpose(pGC) = 1;
-    fbGetFreeCompClip(pGC) = 0;
-    fbGetCompositeClip(pGC) = 0;
     fbGetGCPrivate(pGC)->bpp = BitsPerPixel (pGC->depth);
     return TRUE;
 }
diff --git a/hw/xfree86/xaa/xaaGC.c b/hw/xfree86/xaa/xaaGC.c
index fb24387..44d50e6 100644
--- a/hw/xfree86/xaa/xaaGC.c
+++ b/hw/xfree86/xaa/xaaGC.c
@@ -48,11 +48,6 @@ XAACreateGC(GCPtr pGC)
 	pGCPriv->wrapOps = NULL;
 	pGCPriv->wrapFuncs = pGC->funcs;
 	pGCPriv->XAAOps = &XAAFallbackOps;
-	pGCPriv->flags = 0;
-	pGCPriv->DashLength = 0;
-	pGCPriv->DashPattern = NULL;
-	pGCPriv->changes = 0;
-	/* initialize any other private fields here */
 	pGC->funcs = &XAAGCFuncs;
     }
  
diff --git a/hw/xnest/GC.c b/hw/xnest/GC.c
index 407cc77..7968b4f 100644
--- a/hw/xnest/GC.c
+++ b/hw/xnest/GC.c
@@ -73,9 +73,6 @@ static GCOps xnestOps = {
 Bool
 xnestCreateGC(GCPtr pGC)
 {
-  pGC->clientClipType = CT_NONE;
-  pGC->clientClip = NULL;
-  
   pGC->funcs = &xnestFuncs;
   pGC->ops = &xnestOps;
   
diff --git a/hw/xwin/wingc.c b/hw/xwin/wingc.c
index 196b5b5..e351c50 100644
--- a/hw/xwin/wingc.c
+++ b/hw/xwin/wingc.c
@@ -137,11 +137,6 @@ winCreateGCNativeGDI (GCPtr pGC)
 	  pGC->depth);
 #endif
 
-  pGC->clientClip = NULL;
-  pGC->clientClipType = CT_NONE;
-  pGC->freeCompClip = FALSE;
-  pGC->pCompositeClip = 0;
-
   pGC->ops = (GCOps *) &winGCOps;
   pGC->funcs = (GCFuncs *) &winGCFuncs;
 
diff --git a/miext/cw/cw.c b/miext/cw/cw.c
index 58816c9..3da3bc3 100644
--- a/miext/cw/cw.c
+++ b/miext/cw/cw.c
@@ -325,7 +325,6 @@ cwCreateGC(GCPtr pGC)
     ScreenPtr	pScreen = pGC->pScreen;
     Bool	ret;
 
-    memset(pPriv, 0, sizeof(cwGCRec));
     SCREEN_PROLOGUE(pScreen, CreateGC);
 
     if ( (ret = (*pScreen->CreateGC)(pGC)) )
diff --git a/miext/damage/damage.c b/miext/damage/damage.c
index f5917ea..2ea5e63 100644
--- a/miext/damage/damage.c
+++ b/miext/damage/damage.c
@@ -450,7 +450,6 @@ damageCreateGC(GCPtr pGC)
     damageGCPriv(pGC);
     Bool ret;
 
-    pGC->pCompositeClip = 0;
     unwrap (pScrPriv, pScreen, CreateGC);
     if((ret = (*pScreen->CreateGC) (pGC))) {
 	pGCPriv->ops = NULL;
-- 
1.7.0