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diff --git a/src/atiscreen.c b/src/atiscreen.c
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+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atiscreen.c,v 1.29 2003/01/01 19:16:34 tsi Exp $ */
+/*
+ * Copyright 1999 through 2003 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of Marc Aurele La France not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. Marc Aurele La France makes no representations
+ * about the suitability of this software for any purpose. It is provided
+ * "as-is" without express or implied warranty.
+ *
+ * MARC AURELE LA FRANCE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO
+ * EVENT SHALL MARC AURELE LA FRANCE BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "ati.h"
+#include "atiaccel.h"
+#include "aticonsole.h"
+#include "aticursor.h"
+#include "atidac.h"
+#include "atidga.h"
+#include "atiscreen.h"
+#include "atistruct.h"
+#include "atixv.h"
+
+#include "shadowfb.h"
+#include "xf86cmap.h"
+
+#include "xf1bpp.h"
+#include "xf4bpp.h"
+
+#include "fb.h"
+
+#include "mibank.h"
+#include "micmap.h"
+#include "mipointer.h"
+
+/*
+ * ATIRefreshArea --
+ *
+ * This function is called by the shadow frame buffer code to refresh the
+ * hardware frame buffer.
+ */
+static void
+ATIRefreshArea
+(
+ ScrnInfoPtr pScreenInfo,
+ int nBox,
+ BoxPtr pBox
+)
+{
+ ATIPtr pATI = ATIPTR(pScreenInfo);
+ pointer pSrc, pDst;
+ int offset, w, h;
+
+ while (nBox-- > 0)
+ {
+ w = (pBox->x2 - pBox->x1) * pATI->FBBytesPerPixel;
+ h = pBox->y2 - pBox->y1;
+ offset =
+ (pBox->y1 * pATI->FBPitch) + (pBox->x1 * pATI->FBBytesPerPixel);
+ pSrc = (char *)pATI->pShadow + offset;
+ pDst = (char *)pATI->pMemory + offset;
+
+ while (h-- > 0)
+ {
+ (void)memcpy(pDst, pSrc, w);
+ pSrc = (char *)pSrc + pATI->FBPitch;
+ pDst = (char *)pDst + pATI->FBPitch;
+ }
+
+ pBox++;
+ }
+}
+
+/*
+ * ATIScreenInit --
+ *
+ * This function is called by DIX to initialise the screen.
+ */
+Bool
+ATIScreenInit
+(
+ int iScreen,
+ ScreenPtr pScreen,
+ int argc,
+ char **argv
+)
+{
+ ScrnInfoPtr pScreenInfo = xf86Screens[iScreen];
+ ATIPtr pATI = ATIPTR(pScreenInfo);
+ pointer pFB;
+ int VisualMask;
+
+ /* Set video hardware state */
+ if (!ATIEnterGraphics(pScreen, pScreenInfo, pATI))
+ return FALSE;
+
+ /* Re-initialise mi's visual list */
+ miClearVisualTypes();
+
+ if ((pATI->depth > 8) && (pATI->DAC == ATI_DAC_INTERNAL))
+ VisualMask = TrueColorMask;
+ else
+ VisualMask = miGetDefaultVisualMask(pATI->depth);
+
+ if (!miSetVisualTypes(pATI->depth, VisualMask, pATI->rgbBits,
+ pScreenInfo->defaultVisual))
+ return FALSE;
+
+ if (!miSetPixmapDepths())
+ return FALSE;
+
+ pFB = pATI->pMemory;
+ if (pATI->OptionShadowFB)
+ {
+ pATI->FBBytesPerPixel = pATI->bitsPerPixel >> 3;
+ pATI->FBPitch = PixmapBytePad(pATI->displayWidth, pATI->depth);
+ if ((pATI->pShadow = xalloc(pATI->FBPitch * pScreenInfo->virtualY)))
+ pFB = pATI->pShadow;
+ else
+ {
+ xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
+ "Insufficient virtual memory for shadow frame buffer.\n");
+ pATI->OptionShadowFB = FALSE;
+ }
+ }
+
+ /* Initialise framebuffer layer */
+ switch (pATI->bitsPerPixel)
+ {
+
+#ifndef AVOID_CPIO
+
+ case 1:
+ pATI->Closeable = xf1bppScreenInit(pScreen, pFB,
+ pScreenInfo->virtualX, pScreenInfo->virtualY,
+ pScreenInfo->xDpi, pScreenInfo->yDpi, pATI->displayWidth);
+ break;
+
+ case 4:
+ pATI->Closeable = xf4bppScreenInit(pScreen, pFB,
+ pScreenInfo->virtualX, pScreenInfo->virtualY,
+ pScreenInfo->xDpi, pScreenInfo->yDpi, pATI->displayWidth);
+ break;
+
+#endif /* AVOID_CPIO */
+
+ case 8:
+ case 16:
+ case 24:
+ case 32:
+ pATI->Closeable = fbScreenInit(pScreen, pFB,
+ pScreenInfo->virtualX, pScreenInfo->virtualY,
+ pScreenInfo->xDpi, pScreenInfo->yDpi, pATI->displayWidth,
+ pATI->bitsPerPixel);
+ break;
+
+ default:
+ return FALSE;
+ }
+
+ if (!pATI->Closeable)
+ return FALSE;
+
+ /* Fixup RGB ordering */
+ if (pATI->depth > 8)
+ {
+ VisualPtr pVisual = pScreen->visuals + pScreen->numVisuals;
+
+ while (--pVisual >= pScreen->visuals)
+ {
+ if ((pVisual->class | DynamicClass) != DirectColor)
+ continue;
+
+ pVisual->offsetRed = pScreenInfo->offset.red;
+ pVisual->offsetGreen = pScreenInfo->offset.green;
+ pVisual->offsetBlue = pScreenInfo->offset.blue;
+
+ pVisual->redMask = pScreenInfo->mask.red;
+ pVisual->greenMask = pScreenInfo->mask.green;
+ pVisual->blueMask = pScreenInfo->mask.blue;
+ }
+ }
+
+ /* If applicable, initialise RENDER extension */
+ if (pATI->bitsPerPixel > 4)
+ {
+ if (pATI->OptionShadowFB)
+ {
+ if (serverGeneration == 1)
+ xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
+ "RENDER extension not supported with a shadowed"
+ " framebuffer.\n");
+ }
+
+#ifndef AVOID_CPIO
+
+ else if (pATI->BankInfo.BankSize)
+ {
+ if (serverGeneration == 1)
+ xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
+ "RENDER extension not supported with a banked"
+ " framebuffer.\n");
+ }
+
+#endif /* AVOID_CPIO */
+
+ else if (!fbPictureInit(pScreen, NULL, 0) &&
+ (serverGeneration == 1))
+ xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
+ "RENDER extension initialisation failed.\n");
+ }
+
+ xf86SetBlackWhitePixels(pScreen);
+
+#ifndef AVOID_CPIO
+
+ /* Initialise banking if needed */
+ if (!miInitializeBanking(pScreen,
+ pScreenInfo->virtualX, pScreenInfo->virtualY,
+ pATI->displayWidth, &pATI->BankInfo))
+ return FALSE;
+
+#endif /* AVOID_CPIO */
+
+ /* Setup acceleration */
+ if (!ATIInitializeAcceleration(pScreen, pScreenInfo, pATI))
+ return FALSE;
+
+#ifndef AVOID_DGA
+
+ /* Initialise DGA support */
+ (void)ATIDGAInit(pScreenInfo, pScreen, pATI);
+
+#endif /* AVOID_DGA */
+
+ /* Initialise backing store */
+ miInitializeBackingStore(pScreen);
+ xf86SetBackingStore(pScreen);
+
+ /* Initialise cursor */
+ if (!ATIInitializeCursor(pScreen, pATI))
+ return FALSE;
+
+ /* Create default colourmap */
+ if (!miCreateDefColormap(pScreen))
+ return FALSE;
+
+#ifdef AVOID_CPIO
+
+ if (!xf86HandleColormaps(pScreen, 256, pATI->rgbBits, ATILoadPalette, NULL,
+ CMAP_PALETTED_TRUECOLOR |
+ CMAP_LOAD_EVEN_IF_OFFSCREEN))
+ return FALSE;
+
+#else /* AVOID_CPIO */
+
+ if (pATI->depth > 1)
+ if (!xf86HandleColormaps(pScreen, (pATI->depth == 4) ? 16 : 256,
+ pATI->rgbBits, ATILoadPalette, NULL,
+ CMAP_PALETTED_TRUECOLOR |
+ CMAP_LOAD_EVEN_IF_OFFSCREEN))
+ return FALSE;
+
+#endif /* AVOID_CPIO */
+
+ /* Initialise shadow framebuffer */
+ if (pATI->OptionShadowFB &&
+ !ShadowFBInit(pScreen, ATIRefreshArea))
+ return FALSE;
+
+ /* Initialise DPMS support */
+ (void)xf86DPMSInit(pScreen, ATISetDPMSMode, 0);
+
+ /* Initialise XVideo support */
+ (void)ATIInitializeXVideo(pScreen, pScreenInfo, pATI);
+
+ /* Set pScreen->SaveScreen and wrap CloseScreen vector */
+ pScreen->SaveScreen = ATISaveScreen;
+ pATI->CloseScreen = pScreen->CloseScreen;
+ pScreen->CloseScreen = ATICloseScreen;
+
+ if (serverGeneration == 1)
+ xf86ShowUnusedOptions(pScreenInfo->scrnIndex, pScreenInfo->options);
+
+ return TRUE;
+}
+
+/*
+ * ATICloseScreen --
+ *
+ * This function is called by DIX to close the screen.
+ */
+Bool
+ATICloseScreen
+(
+ int iScreen,
+ ScreenPtr pScreen
+)
+{
+ ScrnInfoPtr pScreenInfo = xf86Screens[iScreen];
+ ATIPtr pATI = ATIPTR(pScreenInfo);
+ Bool Closed = TRUE;
+
+ if (pATI->pXAAInfo)
+ {
+ XAADestroyInfoRec(pATI->pXAAInfo);
+ pATI->pXAAInfo = NULL;
+ }
+
+ if ((pScreen->CloseScreen = pATI->CloseScreen))
+ {
+ pATI->CloseScreen = NULL;
+ Closed = (*pScreen->CloseScreen)(iScreen, pScreen);
+ }
+
+ pATI->Closeable = FALSE;
+
+ if (pATI->pCursorInfo)
+ {
+ xf86DestroyCursorInfoRec(pATI->pCursorInfo);
+ pATI->pCursorInfo = NULL;
+ }
+
+ ATILeaveGraphics(pScreenInfo, pATI);
+
+ xfree(pATI->ExpansionBitmapScanlinePtr[1]);
+ pATI->ExpansionBitmapScanlinePtr[0] =
+ pATI->ExpansionBitmapScanlinePtr[1] = NULL;
+
+ xfree(pATI->pShadow);
+ pATI->pShadow = NULL;
+ pScreenInfo->pScreen = NULL;
+
+ return Closed;
+}
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