Make DRI initialization work when using EXA.

Still need to implement InitBuffers and MoveBuffers for EXA.

3 files changed, 284 insertions, 194 deletions

diff --git a/src/mga_dri.c b/src/mga_dri.c
index 231dda9..731c354 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
@@ -496,7 +489,6 @@ MGADRISwapContextShared( ScreenPtr pScreen, DRISyncType syncType,
    }
 }
 
-#ifdef USE_XAA
 void MGASelectBuffer( ScrnInfoPtr pScrn, int which )
 {
    MGAPtr pMga = MGAPTR(pScrn);
@@ -518,8 +510,6 @@ void MGASelectBuffer( ScrnInfoPtr pScrn, int which )
       break;
    }
 }
-#endif
-
 
 static unsigned int mylog2( unsigned int n )
 {
@@ -911,6 +901,200 @@ 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 )
 {
@@ -1057,8 +1241,19 @@ Bool MGADRIScreenInit( ScreenPtr pScreen )
       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;
 
diff --git a/src/mga_exa.c b/src/mga_exa.c
index b22716d..6c39f97 100644
--- a/src/mga_exa.c
+++ b/src/mga_exa.c
@@ -741,6 +741,80 @@ mgaWaitMarker(ScreenPtr pScreen, int marker)
     while (INREG (MGAREG_Status) & 0x10000);
 }
 
+static void
+init_dri(ScrnInfoPtr pScrn)
+{
+    MGAPtr pMga = MGAPTR(pScrn);
+    MGADRIServerPrivatePtr dri = pMga->DRIServerInfo;
+    int cpp = pScrn->bitsPerPixel / 8;
+    int widthBytes = pScrn->displayWidth * cpp;
+    int bufferSize = ((pScrn->virtualY * widthBytes + MGA_BUFFER_ALIGN)
+                      & ~MGA_BUFFER_ALIGN);
+    int maxlines, mb;
+
+    switch (pMga->Chipset) {
+    case PCI_CHIP_MGAG200_SE_A_PCI:
+    case PCI_CHIP_MGAG200_SE_B_PCI:
+        mb = 1;
+	break;
+    default:
+        mb = 16;
+	break;
+    }
+
+    maxlines = (min(pMga->FbUsableSize, mb * 1024 * 1024)) /
+               (pScrn->displayWidth * pMga->CurrentLayout.bitsPerPixel / 8);
+
+    dri->frontOffset = 0;
+    dri->frontPitch = widthBytes;
+
+    /* Try for front, back, depth, and two framebuffers worth of
+     * pixmap cache.  Should be enough for a fullscreen background
+     * image plus some leftovers.
+     */
+    dri->textureSize = pMga->FbMapSize - 5 * bufferSize;
+
+    /* If that gives us less than half the available memory, let's
+     * be greedy and grab some more.  Sorry, I care more about 3D
+     * performance than playing nicely, and you'll get around a full
+     * framebuffer's worth of pixmap cache anyway.
+     */
+    if (dri->textureSize < (int)pMga->FbMapSize / 2) {
+        dri->textureSize = pMga->FbMapSize - 4 * bufferSize;
+    }
+
+    /* Check to see if there is more room available after the maximum
+     * scanline for textures.
+     */
+    if ((int) pMga->FbMapSize - maxlines * widthBytes - bufferSize * 2
+        > dri->textureSize) {
+        dri->textureSize = pMga->FbMapSize - maxlines * widthBytes -
+                           bufferSize * 2;
+    }
+
+    /* Set a minimum usable local texture heap size.  This will fit
+     * two 256x256x32bpp textures.
+     */
+    if (dri->textureSize < 512 * 1024) {
+        dri->textureOffset = 0;
+        dri->textureSize = 0;
+    }
+
+    /* Reserve space for textures */
+    dri->textureOffset = (pMga->FbMapSize - dri->textureSize +
+                          MGA_BUFFER_ALIGN) & ~MGA_BUFFER_ALIGN;
+
+    /* Reserve space for the shared depth buffer */
+    dri->depthOffset = (dri->textureOffset - bufferSize +
+                        MGA_BUFFER_ALIGN) & ~MGA_BUFFER_ALIGN;
+    dri->depthPitch = widthBytes;
+
+    /* Reserve space for the shared back buffer */
+    dri->backOffset = (dri->depthOffset - bufferSize +
+                       MGA_BUFFER_ALIGN) & ~MGA_BUFFER_ALIGN;
+    dri->backPitch = widthBytes;
+}
+
 Bool
 mgaExaInit(ScreenPtr pScreen)
 {
@@ -799,5 +873,8 @@ mgaExaInit(ScreenPtr pScreen)
 
     pExa->UploadToScreen = mgaUploadToScreen;
 
+    if (pMga->directRenderingEnabled)
+        init_dri(pScrn);
+
     return exaDriverInit(pScreen, pExa);
 }
diff --git a/src/mga_storm.c b/src/mga_storm.c
index ccc17b3..67338d9 100644
--- a/src/mga_storm.c
+++ b/src/mga_storm.c
@@ -143,12 +143,6 @@ static void mgaSubsequentDashedTwoPointLine( ScrnInfoPtr pScrn,
 
 static void mgaRestoreAccelState( ScrnInfoPtr pScrn );
 
-#ifdef XF86DRI
-void mgaDRIInitBuffers(WindowPtr pWin, RegionPtr prgn, CARD32 index);
-void mgaDRIMoveBuffers(WindowPtr pParent, DDXPointRec ptOldOrg,
-    RegionPtr prgnSrc, CARD32 index);
-#endif
-
 static void MGASetClippingRectangle(ScrnInfoPtr pScrn, int x1, int y1,
 				int x2, int y2);
 static void MGADisableClipping(ScrnInfoPtr pScrn);
@@ -2570,179 +2564,3 @@ MGAFillCacheBltRects(
 
     SET_SYNC_FLAG(infoRec);
 }
-
-
-#if defined(XF86DRI)
-void
-mgaDRIInitBuffers(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);
-
-    CHECK_DMA_QUIESCENT(MGAPTR(pScrn), pScrn);
-
-    mgaSetupForSolidFill(pScrn, 0, GXcopy, -1);
-    while (nbox--) {
-        MGASelectBuffer(pScrn, MGA_BACK);
-        mgaSubsequentSolidFillRect(pScrn, pbox->x1, pbox->y1,
-				   pbox->x2-pbox->x1, pbox->y2-pbox->y1);
-        MGASelectBuffer(pScrn, MGA_DEPTH);
-        mgaSubsequentSolidFillRect(pScrn, pbox->x1, pbox->y1,
-				   pbox->x2-pbox->x1, pbox->y2-pbox->y1);
-        pbox++;
-    }
-    MGASelectBuffer(pScrn, MGA_FRONT);
-
-    pMga->AccelInfoRec->NeedToSync = TRUE;
-}
-
-/*
-  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.
-*/
-
-void
-mgaDRIMoveBuffers(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;
-
-    CHECK_DMA_QUIESCENT(MGAPTR(pScrn), 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;
-    }
-
-    mgaSetupForScreenToScreenCopy(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);
-	 mgaSubsequentScreenToScreenCopy(pScrn, x1, y1, destx, desty, w, h);
-	 MGASelectBuffer(pScrn, MGA_DEPTH);
-	 mgaSubsequentScreenToScreenCopy(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 /* XF86DRI */