Initial revision

1 files changed, 216 insertions, 0 deletions

diff --git a/xc/programs/Xserver/hw/xfree86/drivers/ati/atiscreen.c b/xc/programs/Xserver/hw/xfree86/drivers/ati/atiscreen.c
new file mode 100644
index 000000000..9f234f36d
--- /dev/null
+++ b/xc/programs/Xserver/hw/xfree86/drivers/ati/atiscreen.c
@@ -0,0 +1,216 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atiscreen.c,v 1.2 1999/08/01 07:57:22 dawes Exp $ */
+/*
+ * Copyright 1999 by Marc Aurele La France (TSI @ UQV), tsi@ualberta.ca
+ *
+ * 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 "aticonsole.h"
+#include "atidac.h"
+#include "atiscreen.h"
+
+#include "xf86cmap.h"
+
+#include "xf1bpp.h"
+#include "xf4bpp.h"
+#undef PSZ
+#define PSZ 8
+#include "cfb.h"
+#undef PSZ
+#include "cfb16.h"
+#include "cfb24.h"
+#include "cfb32.h"
+
+#include "mibank.h"
+#include "micmap.h"
+#include "mipointer.h"
+
+/*
+ * ATIScreenInit --
+ *
+ * This function is called by DIX to initialize the screen.
+ */
+Bool
+ATIScreenInit
+(
+    int       iScreen,
+    ScreenPtr pScreen,
+    int       argc,
+    char      **argv
+)
+{
+    ScrnInfoPtr  pScreenInfo = xf86Screens[iScreen];
+    ATIPtr       pATI        = ATIPTR(pScreenInfo);
+    int          VisualMask;
+
+    /* Set video hardware state */
+    if (!ATIEnterGraphics(pScreen, pScreenInfo, pATI))
+        return FALSE;
+
+    /* Re-initialize mi's visual list */
+    miClearVisualTypes();
+
+    if (pScreenInfo->depth > 8)
+        VisualMask = TrueColorMask;
+    else
+        VisualMask = miGetDefaultVisualMask(pScreenInfo->depth);
+
+    if (!miSetVisualTypes(pScreenInfo->depth, VisualMask,
+                          pScreenInfo->rgbBits, pScreenInfo->defaultVisual))
+        return FALSE;
+
+    /* Initialize framebuffer layer */
+    switch (pScreenInfo->bitsPerPixel)
+    {
+        case 1:
+            pATI->Closeable = xf1bppScreenInit(pScreen, pATI->pMemory,
+                pScreenInfo->virtualX, pScreenInfo->virtualY,
+                pScreenInfo->xDpi, pScreenInfo->yDpi,
+                pScreenInfo->displayWidth);
+            break;
+
+        case 4:
+            pATI->Closeable = xf4bppScreenInit(pScreen, pATI->pMemory,
+                pScreenInfo->virtualX, pScreenInfo->virtualY,
+                pScreenInfo->xDpi, pScreenInfo->yDpi,
+                pScreenInfo->displayWidth);
+            break;
+
+        case 8:
+            pATI->Closeable = cfbScreenInit(pScreen, pATI->pMemory,
+                pScreenInfo->virtualX, pScreenInfo->virtualY,
+                pScreenInfo->xDpi, pScreenInfo->yDpi,
+                pScreenInfo->displayWidth);
+            break;
+
+        case 16:
+            pATI->Closeable = cfb16ScreenInit(pScreen, pATI->pMemory,
+                pScreenInfo->virtualX, pScreenInfo->virtualY,
+                pScreenInfo->xDpi, pScreenInfo->yDpi,
+                pScreenInfo->displayWidth);
+            break;
+
+        case 24:
+            pATI->Closeable = cfb24ScreenInit(pScreen, pATI->pMemory,
+                pScreenInfo->virtualX, pScreenInfo->virtualY,
+                pScreenInfo->xDpi, pScreenInfo->yDpi,
+                pScreenInfo->displayWidth);
+            break;
+
+        case 32:
+            pATI->Closeable = cfb32ScreenInit(pScreen, pATI->pMemory,
+                pScreenInfo->virtualX, pScreenInfo->virtualY,
+                pScreenInfo->xDpi, pScreenInfo->yDpi,
+                pScreenInfo->displayWidth);
+            break;
+
+        default:
+            return FALSE;
+    }
+
+    if (!pATI->Closeable)
+        return FALSE;
+
+    /* Fixup RGB ordering */
+    if (pScreenInfo->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;
+        }
+    }
+
+    xf86SetBlackWhitePixels(pScreen);
+
+    /* Initialize banking */
+    if ((pATI->ApertureSize < (pATI->VideoRAM * 1024)) &&
+        !miInitializeBanking(pScreen,
+                             pScreenInfo->virtualX, pScreenInfo->virtualY,
+                             pScreenInfo->displayWidth, &pATI->BankInfo))
+        return FALSE;
+
+    /* Initialize backing store */
+    miInitializeBackingStore(pScreen);
+    xf86SetBackingStore(pScreen);
+
+    /* Initialize software cursor */
+    miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
+
+    /* Create default colourmap */
+    if (!miCreateDefColormap(pScreen))
+        return FALSE;
+
+    if (pScreenInfo->depth > 1)
+        if (!xf86HandleColormaps(pScreen, (pScreenInfo->depth == 4) ? 16 : 256,
+                                 pScreenInfo->rgbBits, ATILoadPalette, NULL,
+                                 CMAP_PALETTED_TRUECOLOR |
+                                 CMAP_LOAD_EVEN_IF_OFFSCREEN))
+            return FALSE;
+
+    /* 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 ((pScreen->CloseScreen = pATI->CloseScreen))
+    {
+        pATI->CloseScreen = NULL;
+        Closed = (*pScreen->CloseScreen)(iScreen, pScreen);
+    }
+
+    pATI->Closeable = FALSE;
+
+    ATILeaveGraphics(pScreenInfo, pATI);
+
+    return Closed;
+}