render: Remove unused CopyPicture

Arguably this would be useful API, but it's never called, and a careful
reading of the CPClipMask path reveals that callers would be fairly
disappointed.

Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>

2 files changed, 0 insertions, 84 deletions

diff --git a/render/picture.c b/render/picture.c
index 7da93102b..58535d475 100644
--- a/render/picture.c
+++ b/render/picture.c
@@ -1332,87 +1332,6 @@ SetPictureTransform(PicturePtr pPicture, PictTransform * transform)
     return Success;
 }
 
-void
-CopyPicture(PicturePtr pSrc, Mask mask, PicturePtr pDst)
-{
-    PictureScreenPtr ps = GetPictureScreen(pSrc->pDrawable->pScreen);
-    Mask origMask = mask;
-
-    pDst->serialNumber |= GC_CHANGE_SERIAL_BIT;
-    pDst->stateChanges |= mask;
-
-    while (mask) {
-        Mask bit = lowbit(mask);
-
-        switch (bit) {
-        case CPRepeat:
-            pDst->repeat = pSrc->repeat;
-            pDst->repeatType = pSrc->repeatType;
-            break;
-        case CPAlphaMap:
-            if (pSrc->alphaMap &&
-                pSrc->alphaMap->pDrawable->type == DRAWABLE_PIXMAP)
-                pSrc->alphaMap->refcnt++;
-            if (pDst->alphaMap)
-                FreePicture((void *) pDst->alphaMap, (XID) 0);
-            pDst->alphaMap = pSrc->alphaMap;
-            break;
-        case CPAlphaXOrigin:
-            pDst->alphaOrigin.x = pSrc->alphaOrigin.x;
-            break;
-        case CPAlphaYOrigin:
-            pDst->alphaOrigin.y = pSrc->alphaOrigin.y;
-            break;
-        case CPClipXOrigin:
-            pDst->clipOrigin.x = pSrc->clipOrigin.x;
-            break;
-        case CPClipYOrigin:
-            pDst->clipOrigin.y = pSrc->clipOrigin.y;
-            break;
-        case CPClipMask:
-            switch (pSrc->clientClipType) {
-            case CT_NONE:
-                (*ps->ChangePictureClip) (pDst, CT_NONE, NULL, 0);
-                break;
-            case CT_REGION:
-                if (!pSrc->clientClip) {
-                    (*ps->ChangePictureClip) (pDst, CT_NONE, NULL, 0);
-                }
-                else {
-                    RegionPtr clientClip;
-                    RegionPtr srcClientClip = (RegionPtr) pSrc->clientClip;
-
-                    clientClip = RegionCreate(RegionExtents(srcClientClip),
-                                              RegionNumRects(srcClientClip));
-                    (*ps->ChangePictureClip) (pDst, CT_REGION, clientClip, 0);
-                }
-                break;
-            default:
-                /* XXX: CT_PIXMAP unimplemented */
-                break;
-            }
-            break;
-        case CPGraphicsExposure:
-            pDst->graphicsExposures = pSrc->graphicsExposures;
-            break;
-        case CPPolyEdge:
-            pDst->polyEdge = pSrc->polyEdge;
-            break;
-        case CPPolyMode:
-            pDst->polyMode = pSrc->polyMode;
-            break;
-        case CPDither:
-            break;
-        case CPComponentAlpha:
-            pDst->componentAlpha = pSrc->componentAlpha;
-            break;
-        }
-        mask &= ~bit;
-    }
-
-    (*ps->ChangePicture) (pDst, origMask);
-}
-
 static void
 ValidateOnePicture(PicturePtr pPicture)
 {
diff --git a/render/picturestr.h b/render/picturestr.h
index 8c8100d81..1278f620a 100644
--- a/render/picturestr.h
+++ b/render/picturestr.h
@@ -476,9 +476,6 @@ extern _X_EXPORT int
  SetPictureTransform(PicturePtr pPicture, PictTransform * transform);
 
 extern _X_EXPORT void
- CopyPicture(PicturePtr pSrc, Mask mask, PicturePtr pDst);
-
-extern _X_EXPORT void
  ValidatePicture(PicturePtr pPicture);
 
 extern _X_EXPORT int