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-rw-r--r--src/mga_dri.c219
1 files changed, 207 insertions, 12 deletions
diff --git a/src/mga_dri.c b/src/mga_dri.c
index f1a128c..ce81982 100644
--- a/src/mga_dri.c
+++ b/src/mga_dri.c
@@ -76,13 +76,6 @@
static char MGAKernelDriverName[] = "mga";
static char MGAClientDriverName[] = "mga";
-/* DRI buffer management
- */
-extern void mgaDRIInitBuffers( WindowPtr pWin, RegionPtr prgn, CARD32 index );
-extern void mgaDRIMoveBuffers( WindowPtr pParent, DDXPointRec ptOldOrg,
- RegionPtr prgnSrc, CARD32 index );
-
-
/* Initialize the visual configs that are supported by the hardware.
* These are combined with the visual configs that the indirect
* rendering core supports, and the intersection is exported to the
@@ -446,7 +439,6 @@ MGADRISwapContext( ScreenPtr pScreen, DRISyncType syncType,
}
}
-#ifdef USE_XAA
void MGASelectBuffer( ScrnInfoPtr pScrn, int which )
{
MGAPtr pMga = MGAPTR(pScrn);
@@ -468,8 +460,6 @@ void MGASelectBuffer( ScrnInfoPtr pScrn, int which )
break;
}
}
-#endif
-
static unsigned int mylog2( unsigned int n )
{
@@ -861,6 +851,200 @@ static Bool MGADRIBuffersInit( ScreenPtr pScreen )
return TRUE;
}
+#ifdef USE_XAA
+static void MGADRIInitBuffersXAA(WindowPtr pWin, RegionPtr prgn,
+ CARD32 index)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ MGAPtr pMga = MGAPTR(pScrn);
+ BoxPtr pbox = REGION_RECTS(prgn);
+ int nbox = REGION_NUM_RECTS(prgn);
+ XAAInfoRecPtr xaa = pMga->AccelInfoRec;
+
+ CHECK_DMA_QUIESCENT(MGAPTR(pScrn), pScrn);
+
+ xaa->SetupForSolidFill(pScrn, 0, GXcopy, -1);
+
+ while (nbox--) {
+ MGASelectBuffer(pScrn, MGA_BACK);
+ xaa->SubsequentSolidFillRect(pScrn, pbox->x1, pbox->y1,
+ pbox->x2-pbox->x1, pbox->y2-pbox->y1);
+ MGASelectBuffer(pScrn, MGA_DEPTH);
+ xaa->SubsequentSolidFillRect(pScrn, pbox->x1, pbox->y1,
+ pbox->x2-pbox->x1, pbox->y2-pbox->y1);
+ pbox++;
+ }
+
+ MGASelectBuffer(pScrn, MGA_FRONT);
+
+ pMga->AccelInfoRec->NeedToSync = TRUE;
+}
+#endif
+
+#ifdef USE_EXA
+static void MGADRIInitBuffersEXA(WindowPtr pWin, RegionPtr prgn,
+ CARD32 index)
+{
+ /* FIXME */
+}
+#endif
+
+#ifdef USE_XAA
+/*
+ This routine is a modified form of XAADoBitBlt with the calls to
+ ScreenToScreenBitBlt built in. My routine has the prgnSrc as source
+ instead of destination. My origin is upside down so the ydir cases
+ are reversed.
+*/
+static void MGADRIMoveBuffersXAA(WindowPtr pParent, DDXPointRec ptOldOrg,
+ RegionPtr prgnSrc, CARD32 index)
+{
+ ScreenPtr pScreen = pParent->drawable.pScreen;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ MGAPtr pMga = MGAPTR(pScrn);
+ int nbox;
+ BoxPtr pbox, pboxTmp, pboxNext, pboxBase, pboxNew1, pboxNew2;
+ DDXPointPtr pptTmp, pptNew1, pptNew2;
+ int xdir, ydir;
+ int dx, dy;
+ DDXPointPtr pptSrc;
+ int screenwidth = pScrn->virtualX;
+ int screenheight = pScrn->virtualY;
+ XAAInfoRecPtr xaa = pMga->AccelInfoRec;
+
+ CHECK_DMA_QUIESCENT(pMga, pScrn);
+
+ pbox = REGION_RECTS(prgnSrc);
+ nbox = REGION_NUM_RECTS(prgnSrc);
+ pboxNew1 = 0;
+ pptNew1 = 0;
+ pboxNew2 = 0;
+ pboxNew2 = 0;
+ pptSrc = &ptOldOrg;
+
+ dx = pParent->drawable.x - ptOldOrg.x;
+ dy = pParent->drawable.y - ptOldOrg.y;
+
+ /* If the copy will overlap in Y, reverse the order */
+ if (dy>0) {
+ ydir = -1;
+
+ if (nbox>1) {
+ /* Keep ordering in each band, reverse order of bands */
+ pboxNew1 = (BoxPtr)ALLOCATE_LOCAL(sizeof(BoxRec)*nbox);
+ if (!pboxNew1) return;
+ pptNew1 = (DDXPointPtr)ALLOCATE_LOCAL(sizeof(DDXPointRec)*nbox);
+ if (!pptNew1) {
+ DEALLOCATE_LOCAL(pboxNew1);
+ return;
+ }
+ pboxBase = pboxNext = pbox+nbox-1;
+ while (pboxBase >= pbox) {
+ while ((pboxNext >= pbox) && (pboxBase->y1 == pboxNext->y1))
+ pboxNext--;
+ pboxTmp = pboxNext+1;
+ pptTmp = pptSrc + (pboxTmp - pbox);
+ while (pboxTmp <= pboxBase) {
+ *pboxNew1++ = *pboxTmp++;
+ *pptNew1++ = *pptTmp++;
+ }
+ pboxBase = pboxNext;
+ }
+ pboxNew1 -= nbox;
+ pbox = pboxNew1;
+ pptNew1 -= nbox;
+ pptSrc = pptNew1;
+ }
+ } else {
+ /* No changes required */
+ ydir = 1;
+ }
+
+ /* If the regions will overlap in X, reverse the order */
+ if (dx>0) {
+ xdir = -1;
+
+ if (nbox > 1) {
+ /*reverse orderof rects in each band */
+ pboxNew2 = (BoxPtr)ALLOCATE_LOCAL(sizeof(BoxRec)*nbox);
+ pptNew2 = (DDXPointPtr)ALLOCATE_LOCAL(sizeof(DDXPointRec)*nbox);
+ if (!pboxNew2 || !pptNew2) {
+ if (pptNew2) DEALLOCATE_LOCAL(pptNew2);
+ if (pboxNew2) DEALLOCATE_LOCAL(pboxNew2);
+ if (pboxNew1) {
+ DEALLOCATE_LOCAL(pptNew1);
+ DEALLOCATE_LOCAL(pboxNew1);
+ }
+ return;
+ }
+ pboxBase = pboxNext = pbox;
+ while (pboxBase < pbox+nbox) {
+ while ((pboxNext < pbox+nbox) &&
+ (pboxNext->y1 == pboxBase->y1))
+ pboxNext++;
+ pboxTmp = pboxNext;
+ pptTmp = pptSrc + (pboxTmp - pbox);
+ while (pboxTmp != pboxBase) {
+ *pboxNew2++ = *--pboxTmp;
+ *pptNew2++ = *--pptTmp;
+ }
+ pboxBase = pboxNext;
+ }
+ pboxNew2 -= nbox;
+ pbox = pboxNew2;
+ pptNew2 -= nbox;
+ pptSrc = pptNew2;
+ }
+ } else {
+ /* No changes are needed */
+ xdir = 1;
+ }
+
+ xaa->SetupForScreenToScreenCopy(pScrn, xdir, ydir, GXcopy, -1, -1);
+ for ( ; nbox-- ; pbox++) {
+ int x1 = pbox->x1;
+ int y1 = pbox->y1;
+ int destx = x1 + dx;
+ int desty = y1 + dy;
+ int w = pbox->x2 - x1 + 1;
+ int h = pbox->y2 - y1 + 1;
+
+ if ( destx < 0 ) x1 -= destx, w += destx, destx = 0;
+ if ( desty < 0 ) y1 -= desty, h += desty, desty = 0;
+ if ( destx + w > screenwidth ) w = screenwidth - destx;
+ if ( desty + h > screenheight ) h = screenheight - desty;
+ if ( w <= 0 ) continue;
+ if ( h <= 0 ) continue;
+
+ MGASelectBuffer(pScrn, MGA_BACK);
+ xaa->SubsequentScreenToScreenCopy(pScrn, x1, y1, destx, desty, w, h);
+ MGASelectBuffer(pScrn, MGA_DEPTH);
+ xaa->SubsequentScreenToScreenCopy(pScrn, x1, y1, destx, desty, w, h);
+ }
+ MGASelectBuffer(pScrn, MGA_FRONT);
+
+ if (pboxNew2) {
+ DEALLOCATE_LOCAL(pptNew2);
+ DEALLOCATE_LOCAL(pboxNew2);
+ }
+ if (pboxNew1) {
+ DEALLOCATE_LOCAL(pptNew1);
+ DEALLOCATE_LOCAL(pboxNew1);
+ }
+
+ pMga->AccelInfoRec->NeedToSync = TRUE;
+
+}
+#endif
+
+#ifdef USE_EXA
+static void MGADRIMoveBuffersEXA(WindowPtr pParent, DDXPointRec ptOldOrg,
+ RegionPtr prgnSrc, CARD32 index)
+{
+ /* FIXME */
+}
+#endif
Bool MGADRIScreenInit( ScreenPtr pScreen )
{
@@ -1003,8 +1187,19 @@ Bool MGADRIScreenInit( ScreenPtr pScreen )
pDRIInfo->DestroyContext = MGADestroyContext;
pDRIInfo->SwapContext = MGADRISwapContext;
- pDRIInfo->InitBuffers = mgaDRIInitBuffers;
- pDRIInfo->MoveBuffers = mgaDRIMoveBuffers;
+#ifdef USE_EXA
+ if (pMga->Exa) {
+ pDRIInfo->InitBuffers = MGADRIInitBuffersEXA;
+ pDRIInfo->MoveBuffers = MGADRIMoveBuffersEXA;
+ } else {
+#endif
+#ifdef USE_XAA
+ pDRIInfo->InitBuffers = MGADRIInitBuffersXAA;
+ pDRIInfo->MoveBuffers = MGADRIMoveBuffersXAA;
+#endif
+#ifdef USE_EXA
+ }
+#endif
pDRIInfo->bufferRequests = DRI_ALL_WINDOWS;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 10:21:42 +0000