mi: Delete unused flicker-free MoveCursor code.

It's been commented-out for three and a half years and nobody seems to
be missing it enough to resurrect it.

Besides deleting code that is untested and therefore buggy, this saves a
little memory for each pointer device on each screen.

Signed-off-by: Jamey Sharp <jamey@minilop.net>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Jamey Sharp 2010-05-24 18:41:54 -07:00
parent d1bad1b59f
commit f308cbea8c
3 changed files with 6 additions and 333 deletions

View File

@ -66,12 +66,9 @@ static DevPrivateKey miDCSpriteKey = miDCSpriteKeyIndex;
typedef struct {
GCPtr pSourceGC, pMaskGC;
GCPtr pSaveGC, pRestoreGC;
GCPtr pMoveGC;
GCPtr pPixSourceGC, pPixMaskGC;
PixmapPtr pSave, pTemp;
PixmapPtr pSave;
#ifdef ARGB_CURSOR
PicturePtr pRootPicture;
PicturePtr pTempPicture;
#endif
} miDCBufferRec, *miDCBufferPtr;
@ -497,244 +494,11 @@ miDCRestoreUnderCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
return TRUE;
}
Bool
miDCChangeSave (DeviceIntPtr pDev, ScreenPtr pScreen,
int x, int y, int w, int h, int dx, int dy)
{
miDCScreenPtr pScreenPriv;
miDCBufferPtr pBuffer;
PixmapPtr pSave;
WindowPtr pWin;
GCPtr pGC;
int sourcex, sourcey, destx, desty, copyw, copyh;
pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
miDCScreenKey);
pBuffer = MIDCBUFFER(pDev, pScreen);
pSave = pBuffer->pSave;
pWin = WindowTable[pScreen->myNum];
/*
* restore the bits which are about to get trashed
*/
if (!pSave)
return FALSE;
pGC = pBuffer->pRestoreGC;
if (pWin->drawable.serialNumber != pGC->serialNumber)
ValidateGC ((DrawablePtr) pWin, pGC);
/*
* copy the old bits to the screen.
*/
if (dy > 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
0, h - dy, w, dy, x + dx, y + h);
}
else if (dy < 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
0, 0, w, -dy, x + dx, y + dy);
}
if (dy >= 0)
{
desty = y + dy;
sourcey = 0;
copyh = h - dy;
}
else
{
desty = y;
sourcey = - dy;
copyh = h + dy;
}
if (dx > 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
w - dx, sourcey, dx, copyh, x + w, desty);
}
else if (dx < 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
0, sourcey, -dx, copyh, x + dx, desty);
}
pGC = pBuffer->pSaveGC;
if (pSave->drawable.serialNumber != pGC->serialNumber)
ValidateGC ((DrawablePtr) pSave, pGC);
/*
* move the bits that are still valid within the pixmap
*/
if (dx >= 0)
{
sourcex = 0;
destx = dx;
copyw = w - dx;
}
else
{
destx = 0;
sourcex = - dx;
copyw = w + dx;
}
if (dy >= 0)
{
sourcey = 0;
desty = dy;
copyh = h - dy;
}
else
{
desty = 0;
sourcey = -dy;
copyh = h + dy;
}
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pSave, pGC,
sourcex, sourcey, copyw, copyh, destx, desty);
/*
* copy the new bits from the screen into the remaining areas of the
* pixmap
*/
if (dy > 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC,
x, y, w, dy, 0, 0);
}
else if (dy < 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC,
x, y + h + dy, w, -dy, 0, h + dy);
}
if (dy >= 0)
{
desty = dy;
sourcey = y + dy;
copyh = h - dy;
}
else
{
desty = 0;
sourcey = y;
copyh = h + dy;
}
if (dx > 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC,
x, sourcey, dx, copyh, 0, desty);
}
else if (dx < 0)
{
(*pGC->ops->CopyArea) ((DrawablePtr) pWin, (DrawablePtr) pSave, pGC,
x + w + dx, sourcey, -dx, copyh, w + dx, desty);
}
return TRUE;
}
Bool
miDCMoveCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor,
int x, int y, int w, int h, int dx, int dy,
unsigned long source, unsigned long mask)
{
miDCCursorPtr pPriv;
miDCScreenPtr pScreenPriv;
miDCBufferPtr pBuffer;
int status;
WindowPtr pWin;
GCPtr pGC;
XID gcval = FALSE;
PixmapPtr pTemp;
pPriv = (miDCCursorPtr)dixLookupPrivate(&pCursor->bits->devPrivates,
CursorScreenKey(pScreen));
if (!pPriv)
{
pPriv = miDCRealize(pScreen, pCursor);
if (!pPriv)
return FALSE;
}
pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
miDCScreenKey);
pWin = WindowTable[pScreen->myNum];
pBuffer = MIDCBUFFER(pDev, pScreen);
pTemp = pBuffer->pTemp;
if (!pTemp ||
pTemp->drawable.width != pBuffer->pSave->drawable.width ||
pTemp->drawable.height != pBuffer->pSave->drawable.height)
{
if (pTemp)
(*pScreen->DestroyPixmap) (pTemp);
#ifdef ARGB_CURSOR
if (pBuffer->pTempPicture)
{
FreePicture (pBuffer->pTempPicture, 0);
pBuffer->pTempPicture = 0;
}
#endif
pBuffer->pTemp = pTemp = (*pScreen->CreatePixmap)
(pScreen, w, h, pBuffer->pSave->drawable.depth, 0);
if (!pTemp)
return FALSE;
}
if (!pBuffer->pMoveGC)
{
pBuffer->pMoveGC = CreateGC ((DrawablePtr)pTemp,
GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
if (!pBuffer->pMoveGC)
return FALSE;
}
/*
* copy the saved area to a temporary pixmap
*/
pGC = pBuffer->pMoveGC;
if (pGC->serialNumber != pTemp->drawable.serialNumber)
ValidateGC ((DrawablePtr) pTemp, pGC);
(*pGC->ops->CopyArea)((DrawablePtr)pBuffer->pSave,
(DrawablePtr)pTemp, pGC, 0, 0, w, h, 0, 0);
/*
* draw the cursor in the temporary pixmap
*/
#ifdef ARGB_CURSOR
if (pPriv->pPicture)
{
if (!EnsurePicture(pBuffer->pTempPicture, &pTemp->drawable, pWin))
return FALSE;
CompositePicture (PictOpOver,
pPriv->pPicture,
NULL,
pBuffer->pTempPicture,
0, 0, 0, 0,
dx, dy,
pCursor->bits->width,
pCursor->bits->height);
}
else
#endif
{
miDCPutBits ((DrawablePtr)pTemp, pPriv,
pBuffer->pPixSourceGC, pBuffer->pPixMaskGC,
dx, dy, pCursor->bits->width, pCursor->bits->height,
source, mask);
}
pGC = pBuffer->pRestoreGC;
if (pWin->drawable.serialNumber != pGC->serialNumber)
ValidateGC ((DrawablePtr) pWin, pGC);
(*pGC->ops->CopyArea) ((DrawablePtr) pTemp, (DrawablePtr) pWin,
pGC,
0, 0, w, h, x, y);
return TRUE;
}
Bool
miDCDeviceInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
{
miDCBufferPtr pBuffer;
WindowPtr pWin;
XID gcval = FALSE;
int status;
int i;
if (!DevHasCursor(pDev))
@ -767,28 +531,12 @@ miDCDeviceInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
if (!pBuffer->pRestoreGC)
goto failure;
pBuffer->pMoveGC = CreateGC ((DrawablePtr)pWin,
GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
if (!pBuffer->pMoveGC)
goto failure;
pBuffer->pPixSourceGC = CreateGC ((DrawablePtr)pWin,
GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
if (!pBuffer->pPixSourceGC)
goto failure;
pBuffer->pPixMaskGC = CreateGC ((DrawablePtr)pWin,
GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
if (!pBuffer->pPixMaskGC)
goto failure;
#ifdef ARGB_CURSOR
pBuffer->pRootPicture = NULL;
pBuffer->pTempPicture = NULL;
#endif
// these get (re)allocated lazily depending on the cursor size
pBuffer->pSave = pBuffer->pTemp = NULL;
/* (re)allocated lazily depending on the cursor size */
pBuffer->pSave = NULL;
}
return TRUE;
@ -820,12 +568,8 @@ miDCDeviceCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
if (pBuffer->pMaskGC) FreeGC(pBuffer->pMaskGC, (GContext) 0);
if (pBuffer->pSaveGC) FreeGC(pBuffer->pSaveGC, (GContext) 0);
if (pBuffer->pRestoreGC) FreeGC(pBuffer->pRestoreGC, (GContext) 0);
if (pBuffer->pMoveGC) FreeGC(pBuffer->pMoveGC, (GContext) 0);
if (pBuffer->pPixSourceGC) FreeGC(pBuffer->pPixSourceGC, (GContext) 0);
if (pBuffer->pPixMaskGC) FreeGC(pBuffer->pPixMaskGC, (GContext) 0);
if (pBuffer->pSave) (*pScreen->DestroyPixmap)(pBuffer->pSave);
if (pBuffer->pTemp) (*pScreen->DestroyPixmap)(pBuffer->pTemp);
free(pBuffer);
dixSetPrivate(&pDev->devPrivates, miDCSpriteKey + pScreen->myNum, NULL);

View File

@ -798,73 +798,9 @@ miSpriteSetCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
miSpriteFindColors (pPointer, pScreen);
}
if (pPointer->isUp) {
#if 0
/* FIXME: Disabled for MPX, should be rewritten */
int sx, sy;
/*
* check to see if the old saved region
* encloses the new sprite, in which case we use
* the flicker-free MoveCursor primitive.
*/
sx = pointer->x - (int)pCursor->bits->xhot;
sy = pointer->y - (int)pCursor->bits->yhot;
if (sx + (int) pCursor->bits->width >= pointer->saved.x1 &&
sx < pointer->saved.x2 &&
sy + (int) pCursor->bits->height >= pointer->saved.y1 &&
sy < pointer->saved.y2 &&
(int) pCursor->bits->width + (2 * SPRITE_PAD) ==
pointer->saved.x2 - pointer->saved.x1 &&
(int) pCursor->bits->height + (2 * SPRITE_PAD) ==
pointer->saved.y2 - pointer->saved.y1
)
{
DamageDrawInternal (pScreen, TRUE);
miSpriteIsDown(pCursorInfo);
if (!(sx >= pointer->saved.x1 &&
sx + (int)pCursor->bits->width < pointer->saved.x2
&& sy >= pointer->saved.y1 &&
sy + (int)pCursor->bits->height <
pointer->saved.y2))
{
int oldx1, oldy1, dx, dy;
oldx1 = pointer->saved.x1;
oldy1 = pointer->saved.y1;
dx = oldx1 - (sx - SPRITE_PAD);
dy = oldy1 - (sy - SPRITE_PAD);
pointer->saved.x1 -= dx;
pointer->saved.y1 -= dy;
pointer->saved.x2 -= dx;
pointer->saved.y2 -= dy;
(void) miDCChangeSave(pScreen,
pointer->saved.x1,
pointer->saved.y1,
pointer->saved.x2 -
pointer->saved.x1,
pointer->saved.y2 -
pointer->saved.y1,
dx, dy);
}
(void) miDCMoveCursor(pScreen, pCursor,
pointer->saved.x1,
pointer->saved.y1,
pointer->saved.x2 -
pointer->saved.x1,
pointer->saved.y2 -
pointer->saved.y1,
sx - pointer->saved.x1,
sy - pointer->saved.y1,
pointer->colors[SOURCE_COLOR].pixel,
pointer->colors[MASK_COLOR].pixel);
miSpriteIsUp(pCursorInfo);
DamageDrawInternal (pScreen, FALSE);
}
else
#endif
{
SPRITE_DEBUG (("SetCursor remove %d\n", pDev->id));
miSpriteRemoveCursor (pDev, pScreen);
}
/* TODO: reimplement flicker-free MoveCursor */
SPRITE_DEBUG (("SetCursor remove %d\n", pDev->id));
miSpriteRemoveCursor (pDev, pScreen);
}
if (!pPointer->isUp && pPointer->pCursor)

View File

@ -46,12 +46,5 @@ extern Bool miDCSaveUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
int x, int y, int w, int h);
extern Bool miDCRestoreUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
int x, int y, int w, int h);
extern Bool miDCMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
CursorPtr pCursor, int x, int y,
int w, int h, int dx, int dy,
unsigned long source, unsigned long mask);
extern Bool miDCChangeSave(DeviceIntPtr pDev, ScreenPtr pScreen,
int x, int y, int w, int h,
int dx, int dy);
extern Bool miDCDeviceInitialize(DeviceIntPtr pDev, ScreenPtr pScreen);
extern void miDCDeviceCleanup(DeviceIntPtr pDev, ScreenPtr pScreen);