xserver-multidpi/hw/xfree86/xaa/xaaInit.c

628 lines
18 KiB
C

#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include "misc.h"
#include "xf86.h"
#include "xf86_OSproc.h"
#include <X11/X.h>
#include "scrnintstr.h"
#include "pixmapstr.h"
#include "windowstr.h"
#include "xf86str.h"
#include "mi.h"
#include "miline.h"
#include "xaa.h"
#include "xaalocal.h"
#include "xaawrap.h"
#include "xf86fbman.h"
#include "servermd.h"
#ifdef COMPOSITE
#include "cw.h"
#endif
#define MAX_PREALLOC_MEM 65536 /* MUST be >= 1024 */
#define MIN_OFFPIX_SIZE (320*200)
static Bool XAACloseScreen(int i, ScreenPtr pScreen);
static void XAAGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,
unsigned int format, unsigned long planemask,
char *pdstLine);
static void XAAGetSpans(DrawablePtr pDrawable, int wMax, DDXPointPtr ppt,
int *pwidth, int nspans, char *pdstStart);
static PixmapPtr XAACreatePixmap(ScreenPtr pScreen, int w, int h, int depth,
unsigned usage_hint);
static Bool XAADestroyPixmap(PixmapPtr pPixmap);
static Bool XAAEnterVT (int index, int flags);
static void XAALeaveVT (int index, int flags);
static int XAASetDGAMode(int index, int num, DGADevicePtr devRet);
static void XAAEnableDisableFBAccess (int index, Bool enable);
static Bool XAAChangeWindowAttributes (WindowPtr pWin, unsigned long mask);
static DevPrivateKeyRec XAAScreenKeyRec;
#define XAAScreenKey (&XAAScreenKeyRec)
static DevPrivateKeyRec XAAGCKeyRec;
#define XAAGCKey (&XAAGCKeyRec)
static DevPrivateKeyRec XAAPixmapKeyRec;
#define XAAPixmapKey (&XAAPixmapKeyRec)
DevPrivateKey XAAGetScreenKey(void) {
return XAAScreenKey;
}
DevPrivateKey XAAGetGCKey(void) {
return XAAGCKey;
}
DevPrivateKey XAAGetPixmapKey(void) {
return XAAPixmapKey;
}
/* temp kludge */
static Bool SwitchedOut = FALSE;
XAAInfoRecPtr
XAACreateInfoRec(void)
{
XAAInfoRecPtr infoRec;
infoRec = calloc(1, sizeof(XAAInfoRec));
if(infoRec)
infoRec->CachePixelGranularity = -1;
return infoRec;
}
void
XAADestroyInfoRec(XAAInfoRecPtr infoRec)
{
if(!infoRec) return;
if(infoRec->ClosePixmapCache)
(*infoRec->ClosePixmapCache)(infoRec->pScrn->pScreen);
if(infoRec->PreAllocMem)
free(infoRec->PreAllocMem);
if(infoRec->PixmapCachePrivate)
free(infoRec->PixmapCachePrivate);
free(infoRec);
}
Bool
XAAInit(ScreenPtr pScreen, XAAInfoRecPtr infoRec)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
XAAScreenPtr pScreenPriv;
int i;
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
/* Return successfully if no acceleration wanted */
if (!infoRec)
return TRUE;
if (!dixRegisterPrivateKey(&XAAGCKeyRec, PRIVATE_GC, sizeof(XAAGCRec)))
return FALSE;
if (!dixRegisterPrivateKey(&XAAPixmapKeyRec, PRIVATE_PIXMAP, sizeof(XAAPixmapRec)))
return FALSE;
if (!dixRegisterPrivateKey(&XAAScreenKeyRec, PRIVATE_SCREEN, 0))
return FALSE;
if (!(pScreenPriv = malloc(sizeof(XAAScreenRec))))
return FALSE;
dixSetPrivate(&pScreen->devPrivates, XAAScreenKey, pScreenPriv);
if(!xf86FBManagerRunning(pScreen))
infoRec->Flags &= ~(PIXMAP_CACHE | OFFSCREEN_PIXMAPS);
if(!(infoRec->Flags & LINEAR_FRAMEBUFFER))
infoRec->Flags &= ~OFFSCREEN_PIXMAPS;
if(!infoRec->FullPlanemask) { /* for backwards compatibility */
infoRec->FullPlanemask = (1 << pScrn->depth) - 1;
infoRec->FullPlanemasks[pScrn->depth - 1] = infoRec->FullPlanemask;
}
for(i = 0; i < 32; i++) {
if(!infoRec->FullPlanemasks[i]) /* keep any set by caller */
infoRec->FullPlanemasks[i] = (1 << (i+1)) - 1;
}
if(!XAAInitAccel(pScreen, infoRec)) return FALSE;
pScreenPriv->AccelInfoRec = infoRec;
infoRec->ScratchGC.pScreen = pScreen;
if(!infoRec->GetImage)
infoRec->GetImage = XAAGetImage;
if(!infoRec->GetSpans)
infoRec->GetSpans = XAAGetSpans;
if(!infoRec->CopyWindow)
infoRec->CopyWindow = XAACopyWindow;
pScreenPriv->CreateGC = pScreen->CreateGC;
pScreen->CreateGC = XAACreateGC;
pScreenPriv->CloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = XAACloseScreen;
pScreenPriv->GetImage = pScreen->GetImage;
pScreen->GetImage = infoRec->GetImage;
pScreenPriv->GetSpans = pScreen->GetSpans;
pScreen->GetSpans = infoRec->GetSpans;
pScreenPriv->CopyWindow = pScreen->CopyWindow;
pScreen->CopyWindow = infoRec->CopyWindow;
pScreenPriv->CreatePixmap = pScreen->CreatePixmap;
pScreen->CreatePixmap = XAACreatePixmap;
pScreenPriv->DestroyPixmap = pScreen->DestroyPixmap;
pScreen->DestroyPixmap = XAADestroyPixmap;
pScreenPriv->ChangeWindowAttributes = pScreen->ChangeWindowAttributes;
pScreen->ChangeWindowAttributes = XAAChangeWindowAttributes;
pScreenPriv->EnterVT = pScrn->EnterVT;
pScrn->EnterVT = XAAEnterVT;
pScreenPriv->LeaveVT = pScrn->LeaveVT;
pScrn->LeaveVT = XAALeaveVT;
pScreenPriv->SetDGAMode = pScrn->SetDGAMode;
pScrn->SetDGAMode = XAASetDGAMode;
pScreenPriv->EnableDisableFBAccess = pScrn->EnableDisableFBAccess;
pScrn->EnableDisableFBAccess = XAAEnableDisableFBAccess;
pScreenPriv->WindowExposures = pScreen->WindowExposures;
if (ps)
{
pScreenPriv->Composite = ps->Composite;
ps->Composite = XAAComposite;
pScreenPriv->Glyphs = ps->Glyphs;
ps->Glyphs = XAAGlyphs;
}
if(pScrn->overlayFlags & OVERLAY_8_32_PLANAR)
XAASetupOverlay8_32Planar(pScreen);
infoRec->PreAllocMem = malloc(MAX_PREALLOC_MEM);
if(infoRec->PreAllocMem)
infoRec->PreAllocSize = MAX_PREALLOC_MEM;
if(infoRec->Flags & PIXMAP_CACHE)
xf86RegisterFreeBoxCallback(pScreen, infoRec->InitPixmapCache,
(pointer)infoRec);
if(infoRec->Flags & MICROSOFT_ZERO_LINE_BIAS)
miSetZeroLineBias(pScreen, OCTANT1 | OCTANT2 | OCTANT3 | OCTANT4);
#ifdef COMPOSITE
/* Initialize the composite wrapper. This needs to happen after the
* wrapping above (so it comes before us), but before all other extensions,
* so it doesn't confuse them. (particularly damage).
*/
miInitializeCompositeWrapper(pScreen);
#endif
return TRUE;
}
static Bool
XAACloseScreen (int i, ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
XAAScreenPtr pScreenPriv =
(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);
pScrn->EnterVT = pScreenPriv->EnterVT;
pScrn->LeaveVT = pScreenPriv->LeaveVT;
pScrn->EnableDisableFBAccess = pScreenPriv->EnableDisableFBAccess;
pScreen->CreateGC = pScreenPriv->CreateGC;
pScreen->CloseScreen = pScreenPriv->CloseScreen;
pScreen->GetImage = pScreenPriv->GetImage;
pScreen->GetSpans = pScreenPriv->GetSpans;
pScreen->CopyWindow = pScreenPriv->CopyWindow;
pScreen->WindowExposures = pScreenPriv->WindowExposures;
pScreen->CreatePixmap = pScreenPriv->CreatePixmap;
pScreen->DestroyPixmap = pScreenPriv->DestroyPixmap;
pScreen->ChangeWindowAttributes = pScreenPriv->ChangeWindowAttributes;
/* We leave it up to the client to free the XAAInfoRec */
free((pointer) pScreenPriv);
return (*pScreen->CloseScreen) (i, pScreen);
}
static void
XAAGetImage (
DrawablePtr pDraw,
int sx, int sy, int w, int h,
unsigned int format,
unsigned long planemask,
char *pdstLine
)
{
ScreenPtr pScreen = pDraw->pScreen;
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
ScrnInfoPtr pScrn = infoRec->pScrn;
if(pScrn->vtSema &&
((pDraw->type == DRAWABLE_WINDOW) || IS_OFFSCREEN_PIXMAP(pDraw)))
{
if(infoRec->ReadPixmap && (format == ZPixmap) &&
((planemask & infoRec->FullPlanemasks[pDraw->depth - 1]) ==
infoRec->FullPlanemasks[pDraw->depth - 1]) &&
(pDraw->bitsPerPixel == BitsPerPixel(pDraw->depth)))
{
(*infoRec->ReadPixmap)(pScrn,
sx + pDraw->x, sy + pDraw->y, w, h,
(unsigned char *)pdstLine,
PixmapBytePad(w, pDraw->depth),
pDraw->bitsPerPixel, pDraw->depth);
return;
}
SYNC_CHECK(pDraw);
}
XAA_SCREEN_PROLOGUE (pScreen, GetImage);
(*pScreen->GetImage) (pDraw, sx, sy, w, h, format, planemask, pdstLine);
XAA_SCREEN_EPILOGUE (pScreen, GetImage, XAAGetImage);
}
static void
XAAGetSpans (
DrawablePtr pDraw,
int wMax,
DDXPointPtr ppt,
int *pwidth,
int nspans,
char *pdstStart
)
{
ScreenPtr pScreen = pDraw->pScreen;
XAA_SCREEN_PROLOGUE (pScreen, GetSpans);
if(xf86Screens[pScreen->myNum]->vtSema &&
((pDraw->type == DRAWABLE_WINDOW) || IS_OFFSCREEN_PIXMAP(pDraw))) {
SYNC_CHECK(pDraw);
}
(*pScreen->GetSpans) (pDraw, wMax, ppt, pwidth, nspans, pdstStart);
XAA_SCREEN_EPILOGUE (pScreen, GetSpans, XAAGetSpans);
}
static int
XAAPixmapBPP (ScreenPtr pScreen, int depth)
{
PixmapPtr pPix;
int bpp;
DestroyPixmapProcPtr destroyPixmap;
XAA_SCREEN_PROLOGUE (pScreen, CreatePixmap);
pPix = (*pScreen->CreatePixmap) (pScreen, 1, 1, depth,
CREATE_PIXMAP_USAGE_SCRATCH);
XAA_SCREEN_EPILOGUE (pScreen, CreatePixmap, XAACreatePixmap);
if (!pPix)
return 0;
bpp = pPix->drawable.bitsPerPixel;
destroyPixmap = pScreen->DestroyPixmap;
XAA_SCREEN_PROLOGUE (pScreen, DestroyPixmap);
(*pScreen->DestroyPixmap) (pPix);
XAA_SCREEN_EPILOGUE (pScreen, DestroyPixmap, destroyPixmap);
return bpp;
}
static void
XAAInitializeOffscreenDepths (ScreenPtr pScreen)
{
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
int d, dep;
infoRec->offscreenDepthsInitialized = TRUE;
infoRec->offscreenDepths = 0;
if (infoRec->Flags & OFFSCREEN_PIXMAPS) {
for (d = 0; d < pScreen->numDepths; d++) {
dep = pScreen->allowedDepths[d].depth;
if (XAAPixmapBPP (pScreen, dep) == pScrn->bitsPerPixel)
infoRec->offscreenDepths |= (1 << (dep - 1));
}
}
}
static PixmapPtr
XAACreatePixmap(ScreenPtr pScreen, int w, int h, int depth, unsigned usage_hint)
{
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
XAAPixmapPtr pPriv;
PixmapPtr pPix = NULL;
int size = w * h;
if (w > 32767 || h > 32767)
return NullPixmap;
if (!infoRec->offscreenDepthsInitialized)
XAAInitializeOffscreenDepths (pScreen);
if(pScrn->vtSema &&
(usage_hint != CREATE_PIXMAP_USAGE_GLYPH_PICTURE) &&
(infoRec->offscreenDepths & (1 << (depth - 1))) &&
(size >= MIN_OFFPIX_SIZE) && !SwitchedOut &&
(!infoRec->maxOffPixWidth || (w <= infoRec->maxOffPixWidth)) &&
(!infoRec->maxOffPixHeight || (h <= infoRec->maxOffPixHeight)) )
{
PixmapLinkPtr pLink;
PixmapPtr pScreenPix;
FBAreaPtr area;
int gran = 0;
switch(pScrn->bitsPerPixel) {
case 24:
case 8: gran = 4; break;
case 16: gran = 2; break;
case 32: gran = 1; break;
default: break;
}
if(BITMAP_SCANLINE_PAD == 64)
gran *= 2;
if(!(area = xf86AllocateOffscreenArea(pScreen, w, h, gran, 0,
XAARemoveAreaCallback, NULL))) {
goto BAILOUT;
}
if(!(pLink = malloc(sizeof(PixmapLink)))) {
xf86FreeOffscreenArea(area);
goto BAILOUT;
}
XAA_SCREEN_PROLOGUE (pScreen, CreatePixmap);
pPix = (*pScreen->CreatePixmap) (pScreen, 0, 0, depth, usage_hint);
XAA_SCREEN_EPILOGUE (pScreen, CreatePixmap, XAACreatePixmap);
if (!pPix) {
free(pLink);
xf86FreeOffscreenArea(area);
goto BAILOUT;
}
pScreenPix = (*pScreen->GetScreenPixmap)(pScreen);
pPriv = XAA_GET_PIXMAP_PRIVATE(pPix);
pPix->drawable.x = area->box.x1;
pPix->drawable.y = area->box.y1;
pPix->drawable.width = w;
pPix->drawable.height = h;
pPix->drawable.bitsPerPixel = pScrn->bitsPerPixel;
pPix->devKind = pScreenPix->devKind;
pPix->devPrivate.ptr = pScreenPix->devPrivate.ptr;
area->devPrivate.ptr = pPix;
pPriv->flags = OFFSCREEN;
pPriv->offscreenArea = area;
pPriv->freeData = FALSE;
pLink->next = infoRec->OffscreenPixmaps;
pLink->pPix = pPix;
infoRec->OffscreenPixmaps = pLink;
return pPix;
}
BAILOUT:
XAA_SCREEN_PROLOGUE (pScreen, CreatePixmap);
pPix = (*pScreen->CreatePixmap) (pScreen, w, h, depth, usage_hint);
XAA_SCREEN_EPILOGUE (pScreen, CreatePixmap, XAACreatePixmap);
if(pPix) {
pPriv = XAA_GET_PIXMAP_PRIVATE(pPix);
pPriv->flags = 0;
pPriv->offscreenArea = NULL;
pPriv->freeData = FALSE;
if(!w || !h) /* either scratch or shared memory */
pPriv->flags |= SHARED_PIXMAP;
}
return pPix;
}
static Bool
XAADestroyPixmap(PixmapPtr pPix)
{
ScreenPtr pScreen = pPix->drawable.pScreen;
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
XAAPixmapPtr pPriv = XAA_GET_PIXMAP_PRIVATE(pPix);
Bool ret;
if(pPix->refcnt == 1) {
if(pPriv->flags & OFFSCREEN) {
if(pPriv->flags & DGA_PIXMAP)
free(pPriv->offscreenArea);
else {
FBAreaPtr area = pPriv->offscreenArea;
PixmapLinkPtr pLink = infoRec->OffscreenPixmaps;
PixmapLinkPtr prev = NULL;
while(pLink->pPix != pPix) {
prev = pLink;
pLink = pLink->next;
}
if(prev) prev->next = pLink->next;
else infoRec->OffscreenPixmaps = pLink->next;
if(!area) area = pLink->area;
xf86FreeOffscreenArea(area);
pPriv->offscreenArea = NULL;
free(pLink);
}
}
if(pPriv->freeData) { /* pixmaps that were once in video ram */
free(pPix->devPrivate.ptr);
pPix->devPrivate.ptr = NULL;
}
}
XAA_SCREEN_PROLOGUE (pScreen, DestroyPixmap);
ret = (*pScreen->DestroyPixmap) (pPix);
XAA_SCREEN_EPILOGUE (pScreen, DestroyPixmap, XAADestroyPixmap);
return ret;
}
static Bool
XAAChangeWindowAttributes (WindowPtr pWin, unsigned long mask)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
Bool ret;
XAA_SCREEN_PROLOGUE (pScreen, ChangeWindowAttributes);
ret = (*pScreen->ChangeWindowAttributes) (pWin, mask);
XAA_SCREEN_EPILOGUE (pScreen, ChangeWindowAttributes, XAAChangeWindowAttributes);
/* we have to assume that shared memory pixmaps are dirty
because we can't wrap operations on them */
if((mask & CWBackPixmap) && (pWin->backgroundState == BackgroundPixmap) &&
PIXMAP_IS_SHARED(pWin->background.pixmap))
{
XAAPixmapPtr pPixPriv = XAA_GET_PIXMAP_PRIVATE(pWin->background.pixmap);
pPixPriv->flags |= DIRTY;
}
if((mask & CWBorderPixmap) && !(pWin->borderIsPixel) &&
PIXMAP_IS_SHARED(pWin->border.pixmap))
{
XAAPixmapPtr pPixPriv = XAA_GET_PIXMAP_PRIVATE(pWin->border.pixmap);
pPixPriv->flags |= DIRTY;
}
return ret;
}
/* These two aren't really needed for anything */
static Bool
XAAEnterVT(int index, int flags)
{
ScreenPtr pScreen = screenInfo.screens[index];
XAAScreenPtr pScreenPriv =
(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);
return((*pScreenPriv->EnterVT)(index, flags));
}
static void
XAALeaveVT(int index, int flags)
{
ScreenPtr pScreen = screenInfo.screens[index];
XAAScreenPtr pScreenPriv =
(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);
XAAInfoRecPtr infoRec = pScreenPriv->AccelInfoRec;
if(infoRec->NeedToSync) {
(*infoRec->Sync)(infoRec->pScrn);
infoRec->NeedToSync = FALSE;
}
(*pScreenPriv->LeaveVT)(index, flags);
}
typedef struct {
Bool UsingPixmapCache;
Bool CanDoColor8x8;
Bool CanDoMono8x8;
} SavedCacheState, *SavedCacheStatePtr;
static int
XAASetDGAMode(int index, int num, DGADevicePtr devRet)
{
ScreenPtr pScreen = screenInfo.screens[index];
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
XAAScreenPtr pScreenPriv =
(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);
int ret;
if (!num && infoRec->dgaSaves) { /* restore old pixmap cache state */
SavedCacheStatePtr state = (SavedCacheStatePtr)infoRec->dgaSaves;
infoRec->UsingPixmapCache = state->UsingPixmapCache;
infoRec->CanDoColor8x8 = state->CanDoColor8x8;
infoRec->CanDoMono8x8 = state->CanDoMono8x8;
free(infoRec->dgaSaves);
infoRec->dgaSaves = NULL;
}
ret = (*pScreenPriv->SetDGAMode)(index, num, devRet);
if(ret != Success) return ret;
if(num && devRet->pPix) { /* accelerate this pixmap */
XAAPixmapPtr pixPriv = XAA_GET_PIXMAP_PRIVATE(devRet->pPix);
FBAreaPtr area;
if((area = malloc(sizeof(FBArea)))) {
area->pScreen = pScreen;
area->box.x1 = 0;
area->box.x2 = 0;
area->box.y1 = devRet->mode->pixmapWidth;
area->box.y2 = devRet->mode->pixmapHeight;
area->granularity = 0;
area->MoveAreaCallback = 0;
area->RemoveAreaCallback = 0;
area->devPrivate.ptr = 0;
pixPriv->flags |= OFFSCREEN | DGA_PIXMAP;
pixPriv->offscreenArea = area;
if(!infoRec->dgaSaves) { /* save pixmap cache state */
SavedCacheStatePtr state = malloc(sizeof(SavedCacheState));
state->UsingPixmapCache = infoRec->UsingPixmapCache;
state->CanDoColor8x8 = infoRec->CanDoColor8x8;
state->CanDoMono8x8 = infoRec->CanDoMono8x8;
infoRec->dgaSaves = (char*)state;
infoRec->UsingPixmapCache = FALSE;
if(infoRec->PixmapCacheFlags & CACHE_MONO_8x8)
infoRec->CanDoMono8x8 = FALSE;
if(infoRec->PixmapCacheFlags & CACHE_COLOR_8x8)
infoRec->CanDoColor8x8 = FALSE;
}
}
}
return ret;
}
static void
XAAEnableDisableFBAccess (int index, Bool enable)
{
ScreenPtr pScreen = screenInfo.screens[index];
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
XAAScreenPtr pScreenPriv =
(XAAScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XAAScreenKey);
if(!enable) {
if((infoRec->Flags & OFFSCREEN_PIXMAPS) && (infoRec->OffscreenPixmaps))
XAAMoveOutOffscreenPixmaps(pScreen);
if(infoRec->Flags & PIXMAP_CACHE)
XAAInvalidatePixmapCache(pScreen);
SwitchedOut = TRUE;
}
(*pScreenPriv->EnableDisableFBAccess)(index, enable);
if(enable) {
if((infoRec->Flags & OFFSCREEN_PIXMAPS) && (infoRec->OffscreenPixmaps))
XAAMoveInOffscreenPixmaps(pScreen);
SwitchedOut = FALSE;
}
}