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Diffstat (limited to 'hw/kdrive/trident/tridentcurs.c')
-rw-r--r--hw/kdrive/trident/tridentcurs.c392
1 files changed, 0 insertions, 392 deletions
diff --git a/hw/kdrive/trident/tridentcurs.c b/hw/kdrive/trident/tridentcurs.c
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index 5f62294fb..000000000
--- a/hw/kdrive/trident/tridentcurs.c
+++ /dev/null
@@ -1,392 +0,0 @@
-/*
- * Id: tridentcurs.c,v 1.1 1999/11/02 03:54:47 keithp Exp $
- *
- * Copyright © 1999 Keith Packard
- *
- * 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 Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD 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.
- */
-/* $RCSId: xc/programs/Xserver/hw/kdrive/trident/tridentcurs.c,v 1.5 2000/08/29 17:20:15 keithp Exp $ */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "trident.h"
-#include "cursorstr.h"
-
-#define SetupCursor(s) KdScreenPriv(s); \
- tridentCardInfo(pScreenPriv); \
- tridentScreenInfo(pScreenPriv); \
- TridentCursor *pCurPriv = &tridents->cursor
-
-static void
-_tridentMoveCursor (ScreenPtr pScreen, int x, int y)
-{
- SetupCursor(pScreen);
- CARD8 xlow, xhigh, ylow, yhigh;
- CARD8 xoff, yoff;
-
- x -= pCurPriv->xhot;
- xoff = 0;
- if (x < 0)
- {
- xoff = -x;
- x = 0;
- }
- y -= pCurPriv->yhot;
- yoff = 0;
- if (y < 0)
- {
- yoff = -y;
- y = 0;
- }
- xlow = (CARD8) x;
- xhigh = (CARD8) (x >> 8);
- ylow = (CARD8) y;
- yhigh = (CARD8) (y >> 8);
-
-
- /* This is the recommended order to move the cursor */
-
- tridentWriteIndex (tridentc, 0x3d4, 0x41, xhigh);
- tridentWriteIndex (tridentc, 0x3d4, 0x40, xlow);
- tridentWriteIndex (tridentc, 0x3d4, 0x42, ylow);
- tridentWriteIndex (tridentc, 0x3d4, 0x46, xoff);
- tridentWriteIndex (tridentc, 0x3d4, 0x47, yoff);
- tridentWriteIndex (tridentc, 0x3d4, 0x43, yhigh);
-}
-
-static void
-tridentMoveCursor (ScreenPtr pScreen, int x, int y)
-{
- SetupCursor (pScreen);
-
- if (!pCurPriv->has_cursor)
- return;
-
- if (!pScreenPriv->enabled)
- return;
-
- _tridentMoveCursor (pScreen, x, y);
-}
-
-static void
-tridentAllocCursorColors (ScreenPtr pScreen)
-{
- SetupCursor (pScreen);
- CursorPtr pCursor = pCurPriv->pCursor;
-
- KdAllocateCursorPixels (pScreen, 0, pCursor,
- &pCurPriv->source, &pCurPriv->mask);
- switch (pScreenPriv->screen->fb[0].bitsPerPixel) {
- case 4:
- pCurPriv->source |= pCurPriv->source << 4;
- pCurPriv->mask |= pCurPriv->mask << 4;
- case 8:
- pCurPriv->source |= pCurPriv->source << 8;
- pCurPriv->mask |= pCurPriv->mask << 8;
- case 16:
- pCurPriv->source |= pCurPriv->source << 16;
- pCurPriv->mask |= pCurPriv->mask << 16;
- }
-}
-
-static void
-tridentSetCursorColors (ScreenPtr pScreen)
-{
- SetupCursor (pScreen);
- CursorPtr pCursor = pCurPriv->pCursor;
- CARD32 fg, bg;
-
- fg = pCurPriv->source;
- bg = pCurPriv->mask;
- tridentWriteIndex (tridentc, 0x3d4, 0x48, fg);
- tridentWriteIndex (tridentc, 0x3d4, 0x49, fg >> 8);
- tridentWriteIndex (tridentc, 0x3d4, 0x4a, fg >> 16);
-
- tridentWriteIndex (tridentc, 0x3d4, 0x4c, bg);
- tridentWriteIndex (tridentc, 0x3d4, 0x4d, bg >> 8);
- tridentWriteIndex (tridentc, 0x3d4, 0x4e, bg >> 16);
-}
-
-void
-tridentRecolorCursor (ScreenPtr pScreen, int ndef, xColorItem *pdef)
-{
- SetupCursor (pScreen);
- CursorPtr pCursor = pCurPriv->pCursor;
- xColorItem sourceColor, maskColor;
-
- if (!pCurPriv->has_cursor || !pCursor)
- return;
-
- if (!pScreenPriv->enabled)
- return;
-
- if (pdef)
- {
- while (ndef)
- {
- if (pdef->pixel == pCurPriv->source ||
- pdef->pixel == pCurPriv->mask)
- break;
- ndef--;
- }
- if (!ndef)
- return;
- }
- tridentAllocCursorColors (pScreen);
- tridentSetCursorColors (pScreen);
-}
-
-#define InvertBits32(v) { \
- v = ((v & 0x55555555) << 1) | ((v >> 1) & 0x55555555); \
- v = ((v & 0x33333333) << 2) | ((v >> 2) & 0x33333333); \
- v = ((v & 0x0f0f0f0f) << 4) | ((v >> 4) & 0x0f0f0f0f); \
-}
-
-static void
-tridentLoadCursor (ScreenPtr pScreen, int x, int y)
-{
- SetupCursor(pScreen);
- CursorPtr pCursor = pCurPriv->pCursor;
- CursorBitsPtr bits = pCursor->bits;
- int w, h;
- CARD32 *ram, *msk, *mskLine, *src, *srcLine;
- int i, j;
- int cursor_address;
- int lwsrc;
- unsigned char ramdac_control_;
- CARD32 offset;
-
- /*
- * Allocate new colors
- */
- tridentAllocCursorColors (pScreen);
-
- pCurPriv->pCursor = pCursor;
- pCurPriv->xhot = pCursor->bits->xhot;
- pCurPriv->yhot = pCursor->bits->yhot;
-
- /*
- * Stick new image into cursor memory
- */
- ram = (CARD32 *) tridents->cursor_base;
- mskLine = (CARD32 *) bits->mask;
- srcLine = (CARD32 *) bits->source;
-
- h = bits->height;
- if (h > TRIDENT_CURSOR_HEIGHT)
- h = TRIDENT_CURSOR_HEIGHT;
-
- lwsrc = BitmapBytePad(bits->width) / 4; /* words per line */
-
- for (i = 0; i < TRIDENT_CURSOR_HEIGHT; i++) {
- msk = mskLine;
- src = srcLine;
- mskLine += lwsrc;
- srcLine += lwsrc;
- for (j = 0; j < TRIDENT_CURSOR_WIDTH / 32; j++) {
-
- CARD32 m, s;
-
-#if 1
- if (i < h && j < lwsrc)
- {
- m = *msk++;
- s = *src++;
- InvertBits32(m);
- InvertBits32(s);
- }
- else
- {
- m = 0;
- s = 0;
- }
-#endif
- *ram++ = m;
- *ram++ = s;
- }
- }
-
- /* Set address for cursor bits */
- offset = tridents->cursor_base - (CARD8 *) tridents->screen;
- offset >>= 10;
- tridentWriteIndex (tridentc, 0x3d4, 0x44, (CARD8) (offset & 0xff));
- tridentWriteIndex (tridentc, 0x3d4, 0x45, (CARD8) (offset >> 8));
-
- /* Set new color */
- tridentSetCursorColors (pScreen);
-
- /* Enable the cursor */
- tridentWriteIndex (tridentc, 0x3d4, 0x50, 0xc1);
-
- /* Move to new position */
- tridentMoveCursor (pScreen, x, y);
-}
-
-static void
-tridentUnloadCursor (ScreenPtr pScreen)
-{
- SetupCursor (pScreen);
-
- /* Disable cursor */
- tridentWriteIndex (tridentc, 0x3d4, 0x50, 0);
-}
-
-static Bool
-tridentRealizeCursor (ScreenPtr pScreen, CursorPtr pCursor)
-{
- SetupCursor(pScreen);
-
- if (!pScreenPriv->enabled)
- return TRUE;
-
- /* miRecolorCursor does this */
- if (pCurPriv->pCursor == pCursor)
- {
- if (pCursor)
- {
- int x, y;
-
- miPointerPosition (&x, &y);
- tridentLoadCursor (pScreen, x, y);
- }
- }
- return TRUE;
-}
-
-static Bool
-tridentUnrealizeCursor (ScreenPtr pScreen, CursorPtr pCursor)
-{
- return TRUE;
-}
-
-static void
-tridentSetCursor (ScreenPtr pScreen, CursorPtr pCursor, int x, int y)
-{
- SetupCursor(pScreen);
-
- pCurPriv->pCursor = pCursor;
-
- if (!pScreenPriv->enabled)
- return;
-
- if (pCursor)
- tridentLoadCursor (pScreen, x, y);
- else
- tridentUnloadCursor (pScreen);
-}
-
-miPointerSpriteFuncRec tridentPointerSpriteFuncs = {
- tridentRealizeCursor,
- tridentUnrealizeCursor,
- tridentSetCursor,
- tridentMoveCursor,
-};
-
-static void
-tridentQueryBestSize (int class,
- unsigned short *pwidth, unsigned short *pheight,
- ScreenPtr pScreen)
-{
- SetupCursor (pScreen);
-
- switch (class)
- {
- case CursorShape:
- if (*pwidth > pCurPriv->width)
- *pwidth = pCurPriv->width;
- if (*pheight > pCurPriv->height)
- *pheight = pCurPriv->height;
- if (*pwidth > pScreen->width)
- *pwidth = pScreen->width;
- if (*pheight > pScreen->height)
- *pheight = pScreen->height;
- break;
- default:
- fbQueryBestSize (class, pwidth, pheight, pScreen);
- break;
- }
-}
-
-Bool
-tridentCursorInit (ScreenPtr pScreen)
-{
- SetupCursor (pScreen);
-
- if (!tridents->cursor_base)
- {
- pCurPriv->has_cursor = FALSE;
- return FALSE;
- }
-
- pCurPriv->width = TRIDENT_CURSOR_WIDTH;
- pCurPriv->height= TRIDENT_CURSOR_HEIGHT;
- pScreen->QueryBestSize = tridentQueryBestSize;
- miPointerInitialize (pScreen,
- &tridentPointerSpriteFuncs,
- &kdPointerScreenFuncs,
- FALSE);
- pCurPriv->has_cursor = TRUE;
- pCurPriv->pCursor = NULL;
- return TRUE;
-}
-
-void
-tridentCursorEnable (ScreenPtr pScreen)
-{
- SetupCursor (pScreen);
-
- if (pCurPriv->has_cursor)
- {
- if (pCurPriv->pCursor)
- {
- int x, y;
-
- miPointerPosition (&x, &y);
- tridentLoadCursor (pScreen, x, y);
- }
- else
- tridentUnloadCursor (pScreen);
- }
-}
-
-void
-tridentCursorDisable (ScreenPtr pScreen)
-{
- SetupCursor (pScreen);
-
- if (!pScreenPriv->enabled)
- return;
-
- if (pCurPriv->has_cursor)
- {
- if (pCurPriv->pCursor)
- {
- tridentUnloadCursor (pScreen);
- }
- }
-}
-
-void
-tridentCursorFini (ScreenPtr pScreen)
-{
- SetupCursor (pScreen);
-
- pCurPriv->pCursor = NULL;
-}
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