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/*
* Hardware cursor support for GX or Turbo GX
*
* Copyright 2000 by Jakub Jelinek <jakub@redhat.com>.
*
* 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 Jakub
* Jelinek not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Jakub Jelinek makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* JAKUB JELINEK DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL JAKUB JELINEK 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.
*/
/* $XFree86:$ */
#include "cg6.h"
static void CG6LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src);
static void CG6ShowCursor(ScrnInfoPtr pScrn);
static void CG6HideCursor(ScrnInfoPtr pScrn);
static void CG6SetCursorPosition(ScrnInfoPtr pScrn, int x, int y);
static void CG6SetCursorColors(ScrnInfoPtr pScrn, int bg, int fg);
static void
CG6LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)
{
Cg6Ptr pCg6 = GET_CG6_FROM_SCRN(pScrn);
int i;
unsigned int *data = (unsigned int *)src;
for (i = 0; i < 32; i++)
pCg6->thc->thc_cursmask[i] = *data++;
for (i = 0; i < 32; i++)
pCg6->thc->thc_cursbits[i] = *data++;
}
static void
CG6ShowCursor(ScrnInfoPtr pScrn)
{
Cg6Ptr pCg6 = GET_CG6_FROM_SCRN(pScrn);
pCg6->thc->thc_cursxy = pCg6->CursorXY;
pCg6->CursorEnabled = TRUE;
}
static void
CG6HideCursor(ScrnInfoPtr pScrn)
{
Cg6Ptr pCg6 = GET_CG6_FROM_SCRN(pScrn);
pCg6->thc->thc_cursxy = ((65536 - 32) << 16) | (65536 - 32);
pCg6->CursorEnabled = FALSE;
}
static void
CG6SetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
{
Cg6Ptr pCg6 = GET_CG6_FROM_SCRN(pScrn);
pCg6->CursorXY = ((x & 0xffff) << 16) | (y & 0xffff);
if (pCg6->CursorEnabled)
pCg6->thc->thc_cursxy = pCg6->CursorXY;
}
static void
CG6SetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)
{
Cg6Ptr pCg6 = GET_CG6_FROM_SCRN(pScrn);
if (bg != pCg6->CursorBg || fg != pCg6->CursorFg) {
xf86SbusSetOsHwCursorCmap(pCg6->psdp, bg, fg);
pCg6->CursorBg = bg;
pCg6->CursorFg = fg;
}
}
Bool
CG6HWCursorInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
Cg6Ptr pCg6;
xf86CursorInfoPtr infoPtr;
pCg6 = GET_CG6_FROM_SCRN(pScrn);
pCg6->CursorXY = 0;
pCg6->CursorBg = pCg6->CursorFg = 0;
pCg6->CursorEnabled = FALSE;
infoPtr = xf86CreateCursorInfoRec();
if(!infoPtr) return FALSE;
pCg6->CursorInfoRec = infoPtr;
infoPtr->MaxWidth = 32;
infoPtr->MaxHeight = 32;
infoPtr->Flags = HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK |
HARDWARE_CURSOR_SOURCE_MASK_NOT_INTERLEAVED |
HARDWARE_CURSOR_TRUECOLOR_AT_8BPP;
infoPtr->SetCursorColors = CG6SetCursorColors;
infoPtr->SetCursorPosition = CG6SetCursorPosition;
infoPtr->LoadCursorImage = CG6LoadCursorImage;
infoPtr->HideCursor = CG6HideCursor;
infoPtr->ShowCursor = CG6ShowCursor;
infoPtr->UseHWCursor = NULL;
return xf86InitCursor(pScreen, infoPtr);
}
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