/**
* @param pScreen screen being initialized
* @param pScreenInfo EXA driver record
*
* exaDriverInit sets up EXA given a driver record filled in by the driver.
* pScreenInfo should have been allocated by exaDriverAlloc(). See the
* comments in _ExaDriver for what must be filled in and what is optional.
*
* @return TRUE if EXA was successfully initialized.
*/
Bool
exaDriverInit (ScreenPtr pScreen,
ExaDriverPtr pScreenInfo)
{
ExaScreenPrivPtr pExaScr;
#ifdef RENDER
PictureScreenPtr ps;
#endif
if (!pScreenInfo)
return FALSE;
if (!pScreenInfo->memoryBase) {
LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::memoryBase must be "
"non-zero\n", pScreen->myNum);
return FALSE;
}
if (!pScreenInfo->memorySize) {
LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::memorySize must be "
"non-zero\n", pScreen->myNum);
return FALSE;
}
if (pScreenInfo->offScreenBase > pScreenInfo->memorySize) {
LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::offScreenBase must be <= "
"ExaDriverRec::memorySize\n", pScreen->myNum);
return FALSE;
}
if (!pScreenInfo->PrepareSolid) {
LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::PrepareSolid must be "
"non-NULL\n", pScreen->myNum);
return FALSE;
}
if (!pScreenInfo->PrepareCopy) {
LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::PrepareCopy must be "
"non-NULL\n", pScreen->myNum);
return FALSE;
}
if (!pScreenInfo->WaitMarker) {
LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::WaitMarker must be "
"non-NULL\n", pScreen->myNum);
return FALSE;
}
if (pScreenInfo->exa_major != EXA_VERSION_MAJOR ||
pScreenInfo->exa_minor > EXA_VERSION_MINOR)
{
LogMessage(X_ERROR, "EXA(%d): driver's EXA version requirements "
"(%d.%d) are incompatible with EXA version (%d.%d)\n",
pScreen->myNum,
pScreenInfo->exa_major, pScreenInfo->exa_minor,
EXA_VERSION_MAJOR, EXA_VERSION_MINOR);
return FALSE;
}
#ifdef RENDER
ps = GetPictureScreenIfSet(pScreen);
#endif
if (exaGeneration != serverGeneration)
{
exaScreenPrivateIndex = AllocateScreenPrivateIndex();
exaPixmapPrivateIndex = AllocatePixmapPrivateIndex();
exaGeneration = serverGeneration;
}
pExaScr = xcalloc (sizeof (ExaScreenPrivRec), 1);
if (!pExaScr) {
LogMessage(X_WARNING, "EXA(%d): Failed to allocate screen private\n",
pScreen->myNum);
return FALSE;
}
pExaScr->info = pScreenInfo;
pScreen->devPrivates[exaScreenPrivateIndex].ptr = (pointer) pExaScr;
pExaScr->migration = ExaMigrationAlways;
exaDDXDriverInit(pScreen);
/*
* Replace various fb screen functions
*/
pExaScr->SavedCloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = exaCloseScreen;
pExaScr->SavedCreateGC = pScreen->CreateGC;
pScreen->CreateGC = exaCreateGC;
pExaScr->SavedGetImage = pScreen->GetImage;
pScreen->GetImage = exaGetImage;
pExaScr->SavedGetSpans = pScreen->GetSpans;
pScreen->GetSpans = exaGetSpans;
pExaScr->SavedCopyWindow = pScreen->CopyWindow;
pScreen->CopyWindow = exaCopyWindow;
pExaScr->SavedPaintWindowBackground = pScreen->PaintWindowBackground;
pScreen->PaintWindowBackground = exaPaintWindow;
pExaScr->SavedPaintWindowBorder = pScreen->PaintWindowBorder;
pScreen->PaintWindowBorder = exaPaintWindow;
pScreen->BackingStoreFuncs.SaveAreas = ExaCheckSaveAreas;
pScreen->BackingStoreFuncs.RestoreAreas = ExaCheckRestoreAreas;
#ifdef RENDER
if (ps) {
pExaScr->SavedComposite = ps->Composite;
ps->Composite = exaComposite;
pExaScr->SavedRasterizeTrapezoid = ps->RasterizeTrapezoid;
ps->RasterizeTrapezoid = exaRasterizeTrapezoid;
pExaScr->SavedAddTriangles = ps->AddTriangles;
ps->AddTriangles = exaAddTriangles;
pExaScr->SavedGlyphs = ps->Glyphs;
ps->Glyphs = exaGlyphs;
pExaScr->SavedTrapezoids = ps->Trapezoids;
ps->Trapezoids = exaTrapezoids;
}
#endif
#ifdef MITSHM
/* Re-register with the MI funcs, which don't allow shared pixmaps.
* Shared pixmaps are almost always a performance loss for us, but this
* still allows for SHM PutImage.
*/
ShmRegisterFuncs(pScreen, NULL);
#endif
/*
* Hookup offscreen pixmaps
*/
if ((pExaScr->info->flags & EXA_OFFSCREEN_PIXMAPS) &&
pExaScr->info->offScreenBase < pExaScr->info->memorySize)
{
if (!AllocatePixmapPrivate(pScreen, exaPixmapPrivateIndex,
sizeof (ExaPixmapPrivRec))) {
LogMessage(X_WARNING,
"EXA(%d): Failed to allocate pixmap private\n",
pScreen->myNum);
return FALSE;
}
pExaScr->SavedCreatePixmap = pScreen->CreatePixmap;
pScreen->CreatePixmap = exaCreatePixmap;
pExaScr->SavedDestroyPixmap = pScreen->DestroyPixmap;
pScreen->DestroyPixmap = exaDestroyPixmap;
LogMessage(X_INFO, "EXA(%d): Offscreen pixmap area of %d bytes\n",
pScreen->myNum,
pExaScr->info->memorySize - pExaScr->info->offScreenBase);
}
else
{
LogMessage(X_INFO, "EXA(%d): No offscreen pixmaps\n", pScreen->myNum);
if (!AllocatePixmapPrivate(pScreen, exaPixmapPrivateIndex, 0))
return FALSE;
}
DBG_PIXMAP(("============== %ld < %ld\n", pExaScr->info->offScreenBase,
pExaScr->info->memorySize));
if (pExaScr->info->offScreenBase < pExaScr->info->memorySize) {
if (!exaOffscreenInit (pScreen)) {
LogMessage(X_WARNING, "EXA(%d): Offscreen pixmap setup failed\n",
pScreen->myNum);
return FALSE;
}
}
LogMessage(X_INFO, "EXA(%d): Driver registered support for the following"
" operations:\n", pScreen->myNum);
assert(pScreenInfo->PrepareSolid != NULL);
LogMessage(X_INFO, " Solid\n");
assert(pScreenInfo->PrepareCopy != NULL);
LogMessage(X_INFO, " Copy\n");
if (pScreenInfo->PrepareComposite != NULL) {
LogMessage(X_INFO, " Composite (RENDER acceleration)\n");
}
if (pScreenInfo->UploadToScreen != NULL) {
LogMessage(X_INFO, " UploadToScreen\n");
}
if (pScreenInfo->DownloadFromScreen != NULL) {
LogMessage(X_INFO, " DownloadFromScreen\n");
}
return TRUE;
}
void
ExaOffscreenSwapIn (ScreenPtr pScreen)
{
exaOffscreenInit (pScreen);
}
