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mi: don't thrash resources when displaying the software cursor across screens 

This changes the DC layer to maintain a persistent set of GCs/pixmaps/pictures
for each pScreen instead of failing to thrash between them when changing
screens.

Signed-off-by: Pierre-Loup A. Griffais <pgriffais@nvidia.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Pierre-Loup A. Griffais 2010-04-07 13:52:47 -07:00 committed by Peter Hutterer
parent 5f31e21961
commit 00b8b7ad61
1 changed files with 109 additions and 157 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

266
mi/midispcur.c
View File

@ -59,9 +59,9 @@ static DevPrivateKey miDCScreenKey = &miDCScreenKeyIndex;
static Bool miDCCloseScreen(int index, ScreenPtr pScreen);
/* per device private data */
static int miDCSpriteKeyIndex;
static DevPrivateKey miDCSpriteKey = &miDCSpriteKeyIndex;
/* per device per-screen private data */
static int miDCSpriteKeyIndex[MAXSCREENS];
static DevPrivateKey miDCSpriteKey = miDCSpriteKeyIndex;
typedef struct {
GCPtr pSourceGC, pMaskGC;
@ -75,10 +75,10 @@ typedef struct {
#endif
} miDCBufferRec, *miDCBufferPtr;
#define MIDCBUFFER(dev) \
#define MIDCBUFFER(dev, screen) \
((DevHasCursor(dev)) ? \
(miDCBufferPtr)dixLookupPrivate(&dev->devPrivates, miDCSpriteKey) : \
(miDCBufferPtr)dixLookupPrivate(&dev->u.master->devPrivates, miDCSpriteKey))
(miDCBufferPtr)dixLookupPrivate(&dev->devPrivates, miDCSpriteKey + (screen)->myNum) : \
(miDCBufferPtr)dixLookupPrivate(&dev->u.master->devPrivates, miDCSpriteKey + (screen)->myNum))
/*
* The core pointer buffer will point to the index of the virtual core pointer
@ -158,10 +158,6 @@ miDCInitialize (ScreenPtr pScreen, miPointerScreenFuncPtr screenFuncs)
return TRUE;
}
#define tossGC(gc) (gc ? FreeGC (gc, (GContext) 0) : 0)
#define tossPix(pix) (pix ? (*pScreen->DestroyPixmap) (pix) : TRUE)
#define tossPict(pict) (pict ? FreePicture (pict, 0) : 0)
static Bool
miDCCloseScreen (int index, ScreenPtr pScreen)
{
@ -183,7 +179,6 @@ miDCRealizeCursor (ScreenPtr pScreen, CursorPtr pCursor)
}
#ifdef ARGB_CURSOR
#define EnsurePicture(picture,draw,win) (picture || miDCMakePicture(&picture,draw,win))
static VisualPtr
miDCGetWindowVisual (WindowPtr pWin)
@ -415,12 +410,8 @@ miDCPutBits (
(*maskGC->ops->PushPixels) (maskGC, pPriv->maskBits, pDrawable, w, h, x, y);
}
#define EnsureGC(gc,win) (gc || miDCMakeGC(&gc, win))
static GCPtr
miDCMakeGC(
GCPtr *ppGC,
WindowPtr pWin)
miDCMakeGC(WindowPtr pWin)
{
GCPtr pGC;
int status;
@ -431,7 +422,6 @@ miDCMakeGC(
pGC = CreateGC((DrawablePtr)pWin,
GCSubwindowMode|GCGraphicsExposures, gcvals, &status,
(XID)0, serverClient);
*ppGC = pGC;
return pGC;
}
@ -456,22 +446,11 @@ miDCPutUpCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor,
pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
miDCScreenKey);
pWin = WindowTable[pScreen->myNum];
pBuffer = MIDCBUFFER(pDev);
pBuffer = MIDCBUFFER(pDev, pScreen);
#ifdef ARGB_CURSOR
if (pPriv->pPicture)
{
/* see comment in miDCPutUpCursor */
if (pBuffer->pRootPicture &&
pBuffer->pRootPicture->pDrawable &&
pBuffer->pRootPicture->pDrawable->pScreen != pScreen)
{
tossPict(pBuffer->pRootPicture);
pBuffer->pRootPicture = NULL;
}
if (!EnsurePicture(pBuffer->pRootPicture, &pWin->drawable, pWin))
return FALSE;
CompositePicture (PictOpOver,
pPriv->pPicture,
NULL,
@ -484,33 +463,6 @@ miDCPutUpCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor,
else
#endif
{
/**
* XXX: Before MPX, the sourceGC and maskGC were attached to the
* screen, and would switch as the screen switches. With mpx we have
* the GC's attached to the device now, so each time we switch screen
* we need to make sure the GC's are allocated on the new screen.
* This is ... not optimal. (whot)
*/
if (pBuffer->pSourceGC && pScreen != pBuffer->pSourceGC->pScreen)
{
tossGC(pBuffer->pSourceGC);
pBuffer->pSourceGC = NULL;
}
if (pBuffer->pMaskGC && pScreen != pBuffer->pMaskGC->pScreen)
{
tossGC(pBuffer->pMaskGC);
pBuffer->pMaskGC = NULL;
}
if (!EnsureGC(pBuffer->pSourceGC, pWin))
return FALSE;
if (!EnsureGC(pBuffer->pMaskGC, pWin))
{
FreeGC (pBuffer->pSourceGC, (GContext) 0);
pBuffer->pSourceGC = 0;
return FALSE;
}
miDCPutBits ((DrawablePtr)pWin, pPriv,
pBuffer->pSourceGC, pBuffer->pMaskGC,
x, y, pCursor->bits->width, pCursor->bits->height,
@ -531,7 +483,7 @@ miDCSaveUnderCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
miDCScreenKey);
pBuffer = MIDCBUFFER(pDev);
pBuffer = MIDCBUFFER(pDev, pScreen);
pSave = pBuffer->pSave;
pWin = WindowTable[pScreen->myNum];
@ -544,14 +496,7 @@ miDCSaveUnderCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
if (!pSave)
return FALSE;
}
/* see comment in miDCPutUpCursor */
if (pBuffer->pSaveGC && pBuffer->pSaveGC->pScreen != pScreen)
{
tossGC(pBuffer->pSaveGC);
pBuffer->pSaveGC = NULL;
}
if (!EnsureGC(pBuffer->pSaveGC, pWin))
return FALSE;
pGC = pBuffer->pSaveGC;
if (pSave->drawable.serialNumber != pGC->serialNumber)
ValidateGC ((DrawablePtr) pSave, pGC);
@ -572,20 +517,13 @@ miDCRestoreUnderCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
miDCScreenKey);
pBuffer = MIDCBUFFER(pDev);
pBuffer = MIDCBUFFER(pDev, pScreen);
pSave = pBuffer->pSave;
pWin = WindowTable[pScreen->myNum];
if (!pSave)
return FALSE;
/* see comment in miDCPutUpCursor */
if (pBuffer->pRestoreGC && pBuffer->pRestoreGC->pScreen != pScreen)
{
tossGC(pBuffer->pRestoreGC);
pBuffer->pRestoreGC = NULL;
}
if (!EnsureGC(pBuffer->pRestoreGC, pWin))
return FALSE;
pGC = pBuffer->pRestoreGC;
if (pWin->drawable.serialNumber != pGC->serialNumber)
ValidateGC ((DrawablePtr) pWin, pGC);
@ -607,7 +545,7 @@ miDCChangeSave (DeviceIntPtr pDev, ScreenPtr pScreen,
pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
miDCScreenKey);
pBuffer = MIDCBUFFER(pDev);
pBuffer = MIDCBUFFER(pDev, pScreen);
pSave = pBuffer->pSave;
pWin = WindowTable[pScreen->myNum];
@ -616,14 +554,7 @@ miDCChangeSave (DeviceIntPtr pDev, ScreenPtr pScreen,
*/
if (!pSave)
return FALSE;
/* see comment in miDCPutUpCursor */
if (pBuffer->pRestoreGC && pBuffer->pRestoreGC->pScreen != pScreen)
{
tossGC(pBuffer->pRestoreGC);
pBuffer->pRestoreGC = NULL;
}
if (!EnsureGC(pBuffer->pRestoreGC, pWin))
return FALSE;
pGC = pBuffer->pRestoreGC;
if (pWin->drawable.serialNumber != pGC->serialNumber)
ValidateGC ((DrawablePtr) pWin, pGC);
@ -662,14 +593,7 @@ miDCChangeSave (DeviceIntPtr pDev, ScreenPtr pScreen,
(*pGC->ops->CopyArea) ((DrawablePtr) pSave, (DrawablePtr) pWin, pGC,
0, sourcey, -dx, copyh, x + dx, desty);
}
/* see comment in miDCPutUpCursor */
if (pBuffer->pSaveGC && pBuffer->pSaveGC->pScreen != pScreen)
{
tossGC(pBuffer->pSaveGC);
pBuffer->pSaveGC = NULL;
}
if (!EnsureGC(pBuffer->pSaveGC, pWin))
return FALSE;
pGC = pBuffer->pSaveGC;
if (pSave->drawable.serialNumber != pGC->serialNumber)
ValidateGC ((DrawablePtr) pSave, pGC);
@ -766,7 +690,7 @@ miDCMoveCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor,
pScreenPriv = (miDCScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
miDCScreenKey);
pWin = WindowTable[pScreen->myNum];
pBuffer = MIDCBUFFER(pDev);
pBuffer = MIDCBUFFER(pDev, pScreen);
pTemp = pBuffer->pTemp;
if (!pTemp ||
@ -809,17 +733,9 @@ miDCMoveCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor,
#ifdef ARGB_CURSOR
if (pPriv->pPicture)
{
/* see comment in miDCPutUpCursor */
if (pBuffer->pTempPicture &&
pBuffer->pTempPicture->pDrawable &&
pBuffer->pTempPicture->pDrawable->pScreen != pScreen)
{
tossPict(pBuffer->pTempPicture);
pBuffer->pTempPicture = NULL;
}
if (!pBuffer->pTempPicture)
miDCMakePicture(&pBuffer->pTempPicture, &pTemp->drawable, pWin);
if (!EnsurePicture(pBuffer->pTempPicture, &pTemp->drawable, pWin))
return FALSE;
CompositePicture (PictOpOver,
pPriv->pPicture,
NULL,
@ -832,38 +748,12 @@ miDCMoveCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor,
else
#endif
{
if (!pBuffer->pPixSourceGC)
{
pBuffer->pPixSourceGC = CreateGC ((DrawablePtr)pTemp,
GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
if (!pBuffer->pPixSourceGC)
return FALSE;
}
if (!pBuffer->pPixMaskGC)
{
pBuffer->pPixMaskGC = CreateGC ((DrawablePtr)pTemp,
GCGraphicsExposures, &gcval, &status, (XID)0, serverClient);
if (!pBuffer->pPixMaskGC)
return FALSE;
}
miDCPutBits ((DrawablePtr)pTemp, pPriv,
pBuffer->pPixSourceGC, pBuffer->pPixMaskGC,
dx, dy, pCursor->bits->width, pCursor->bits->height,
source, mask);
}
/* see comment in miDCPutUpCursor */
if (pBuffer->pRestoreGC && pBuffer->pRestoreGC->pScreen != pScreen)
{
tossGC(pBuffer->pRestoreGC);
pBuffer->pRestoreGC = NULL;
}
/*
* copy the temporary pixmap onto the screen
*/
if (!EnsureGC(pBuffer->pRestoreGC, pWin))
return FALSE;
pGC = pBuffer->pRestoreGC;
if (pWin->drawable.serialNumber != pGC->serialNumber)
ValidateGC ((DrawablePtr) pWin, pGC);
@ -877,51 +767,113 @@ miDCMoveCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor,
static Bool
miDCDeviceInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
{
miDCBufferPtr pBuffer;
miDCBufferPtr pBuffer;
WindowPtr pWin;
XID gcval = FALSE;
int status;
int i;
pBuffer = xalloc(sizeof(miDCBufferRec));
dixSetPrivate(&pDev->devPrivates, miDCSpriteKey, pBuffer);
if (!DevHasCursor(pDev))
return TRUE;
for (i = 0; i < screenInfo.numScreens; i++)
{
pScreen = screenInfo.screens[i];
pBuffer = xalloc(sizeof(miDCBufferRec));
if (!pBuffer)
goto failure;
dixSetPrivate(&pDev->devPrivates, miDCSpriteKey + pScreen->myNum, pBuffer);
pWin = WindowTable[pScreen->myNum];
pBuffer->pSourceGC = miDCMakeGC(pWin);
if (!pBuffer->pSourceGC)
goto failure;
pBuffer->pMaskGC = miDCMakeGC(pWin);
if (!pBuffer->pMaskGC)
goto failure;
pBuffer->pSaveGC = miDCMakeGC(pWin);
if (!pBuffer->pSaveGC)
goto failure;
pBuffer->pRestoreGC = miDCMakeGC(pWin);
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;
pBuffer->pSourceGC =
pBuffer->pMaskGC =
pBuffer->pSaveGC =
pBuffer->pRestoreGC =
pBuffer->pMoveGC =
pBuffer->pPixSourceGC =
pBuffer->pPixMaskGC = NULL;
#ifdef ARGB_CURSOR
pBuffer->pRootPicture = NULL;
pBuffer->pTempPicture = NULL;
miDCMakePicture(&pBuffer->pRootPicture, &pWin->drawable, pWin);
if (!pBuffer->pRootPicture)
goto failure;
pBuffer->pTempPicture = NULL;
#endif
pBuffer->pSave = pBuffer->pTemp = NULL;
// these get (re)allocated lazily depending on the cursor size
pBuffer->pSave = pBuffer->pTemp = NULL;
}
return TRUE;
failure:
miDCDeviceCleanup(pDev, pScreen);
return FALSE;
}
static void
miDCDeviceCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
{
miDCBufferPtr pBuffer;
int i;
if (DevHasCursor(pDev))
{
pBuffer = MIDCBUFFER(pDev);
tossGC (pBuffer->pSourceGC);
tossGC (pBuffer->pMaskGC);
tossGC (pBuffer->pSaveGC);
tossGC (pBuffer->pRestoreGC);
tossGC (pBuffer->pMoveGC);
tossGC (pBuffer->pPixSourceGC);
tossGC (pBuffer->pPixMaskGC);
tossPix (pBuffer->pSave);
tossPix (pBuffer->pTemp);
for (i = 0; i < screenInfo.numScreens; i++)
{
pScreen = screenInfo.screens[i];
pBuffer = MIDCBUFFER(pDev, pScreen);
if (pBuffer)
{
if (pBuffer->pSourceGC) FreeGC(pBuffer->pSourceGC, (GContext) 0);
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);
#ifdef ARGB_CURSOR
#if 0 /* This has been free()d before */
tossPict (pScreenPriv->pRootPicture);
#endif
tossPict (pBuffer->pTempPicture);
if (pBuffer->pRootPicture) FreePicture(pBuffer->pRootPicture, 0);
if (pBuffer->pTempPicture) FreePicture(pBuffer->pTempPicture, 0);
#endif
xfree(pBuffer);
dixSetPrivate(&pDev->devPrivates, miDCSpriteKey, NULL);
if (pBuffer->pSave) (*pScreen->DestroyPixmap)(pBuffer->pSave);
if (pBuffer->pTemp) (*pScreen->DestroyPixmap)(pBuffer->pTemp);
xfree(pBuffer);
dixSetPrivate(&pDev->devPrivates, miDCSpriteKey + pScreen->myNum, NULL);
}
}
}
}