/*
* $Workfile: amd_lx_cursor.c $
* $Revision: #4 $
* $Author: raymondd $
*
* File Contents: Xfree cursor implementation routines
* for geode HWcursor init.setting cursor color,image etc
* are done here.
* Project: Geode Xfree Frame buffer device driver.
*
*/
/*
* Copyright (c) 2003-2005 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Neither the name of the Advanced Micro Devices, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
* */
/*
* */
/*
* */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "nsc.h"
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86_ansic.h"
#include "xf86Pci.h"
#include "xf86PciInfo.h"
/* Forward declarations of the functions */
Bool LXHWCursorInit(ScreenPtr pScrn);
static void LXSetCursorColors(ScrnInfoPtr pScrni, int bg, int fg);
static void LXSetCursorPosition(ScrnInfoPtr pScrni, int x, int y);
void LXLoadCursorImage(ScrnInfoPtr pScrni, unsigned char *src);
void LXHideCursor(ScrnInfoPtr pScrni);
void LXShowCursor(ScrnInfoPtr pScrni);
static Bool LXUseHWCursor(ScreenPtr pScrn, CursorPtr pCurs);
extern void LXSetVideoPosition(int x, int y, int width, int height,
short src_w, short src_h, short drw_w,
short drw_h, int id, int offset,
ScrnInfoPtr pScrni);
#ifdef ARGB_CURSOR
static Bool LXUseHWCursorARGB(ScreenPtr pScreen, CursorPtr pCurs);
static void LXLoadCursorARGB(ScrnInfoPtr pScrn, CursorPtr pCurs);
#endif
/*----------------------------------------------------------------------------
* LXHWCursorInit.
*
* Description :This function sets the cursor information by probing the
* hardware.
*
* Parameters.
* pScrn :Screeen pointer structure.
*
* Returns :TRUE on success and FALSE on Failure
*
* Comments :Geode supports the hardware_cursor,no need to enable SW
* cursor.
*----------------------------------------------------------------------------
*/
Bool
LXHWCursorInit(ScreenPtr pScrn)
{
ScrnInfoPtr pScrni = xf86Screens[pScrn->myNum];
GeodePtr pGeode = GEODEPTR(pScrni);
xf86CursorInfoPtr infoPtr;
infoPtr = xf86CreateCursorInfoRec();
if (!infoPtr)
return FALSE;
/* the geode structure is intiallized with the cursor infoRec */
pGeode->CursorInfo = infoPtr;
infoPtr->MaxWidth = 32;
infoPtr->MaxHeight = 32;
/* seeting up the cursor flags */
infoPtr->Flags = HARDWARE_CURSOR_BIT_ORDER_MSBFIRST |
HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
HARDWARE_CURSOR_SOURCE_MASK_NOT_INTERLEAVED;
/* cursor info ptr is intiallized with the values obtained from
* * durnago calls
*/
infoPtr->SetCursorColors = LXSetCursorColors;
infoPtr->SetCursorPosition = LXSetCursorPosition;
infoPtr->LoadCursorImage = LXLoadCursorImage;
infoPtr->HideCursor = LXHideCursor;
infoPtr->ShowCursor = LXShowCursor;
infoPtr->UseHWCursor = LXUseHWCursor;
#ifdef ARGB_CURSOR
infoPtr->UseHWCursorARGB = LXUseHWCursorARGB;
infoPtr->LoadCursorARGB = LXLoadCursorARGB;
#endif
return (xf86InitCursor(pScrn, infoPtr));
}
/*----------------------------------------------------------------------------
* LXSetCursorColors.
*
* Description :This function sets the cursor foreground and background
* colors
* Parameters:
* pScrni: Screeen information pointer structure.
* bg: Specifies the color value of cursor background color.
* fg: Specifies the color value of cursor foreground color.
* Returns: none.
*
* Comments: The integer color value passed by this function is
* converted into * RGB value by the gfx_set_color routines.
*----------------------------------------------------------------------------
*/
static void
LXSetCursorColors(ScrnInfoPtr pScrni, int bg, int fg)
{
GeodePtr pGeode = GEODEPTR(pScrni);
#ifdef ARGB_CURSOR
/* Don't recolour cursors set with SetCursorARGB. */
if (pGeode->cursor_argb)
return;
#endif
vg_set_mono_cursor_colors(bg, fg);
}
/*----------------------------------------------------------------------------
* LXSetCursorPosition.
*
* Description :This function sets the cursor co -ordinates and enable the
* cursor.
*
* Parameters:
* pScrni: Screeen information pointer structure.
* x: Specifies the x-cordinates of the cursor.
* y: Specifies the y co-ordinate of the cursor.
* Returns: none.
*
*----------------------------------------------------------------------------
*/
static void
LXSetCursorPosition(ScrnInfoPtr pScrni, int x, int y)
{
static unsigned long panOffset = 0;
GeodePtr pGeode = GEODEPTR(pScrni);
int newX, newY;
(*pGeode->Rotation)(x,y,pGeode->HDisplay,pGeode->VDisplay,&newX,&newY);
(*pGeode->RBltXlat)(newX,newY,32,32,&newX,&newY);
if (newX < -31) newX = -31;
if (newY < -31) newY = -31;
{ VG_PANNING_COORDINATES panning;
vg_set_cursor_position(newX+31, newY+31, &panning); }
vg_set_cursor_enable(1);
#ifndef AMD_V4L2_VIDEO
if ((pGeode->OverlayON) && (pGeode->EnabledOutput & LX_OT_FP)) {
pGeode->PrevDisplayOffset = vg_get_display_offset();
if (pGeode->PrevDisplayOffset != panOffset) {
LXSetVideoPosition(pGeode->video_x, pGeode->video_y,
pGeode->video_w, pGeode->video_h,
pGeode->video_srcw, pGeode->video_srch,
pGeode->video_dstw, pGeode->video_dsth,
pGeode->video_id, pGeode->video_offset,
pGeode->video_scrnptr);
panOffset = pGeode->PrevDisplayOffset;
}
}
#endif
}
/*----------------------------------------------------------------------------
* LXLoadCursorImage
*
* Description :This function loads the 32x32 cursor pattern.The shape
* and color is set by AND and XOR masking of arrays of 32
* DWORD.
* Parameters:
* pScrni: Screeen information pointer structure.
* src : Specifies cursor data.
* Returns : none
*
*----------------------------------------------------------------------------
*/
void
LXLoadCursorImage(ScrnInfoPtr pScrni, unsigned char *src)
{
int i, n, x, y, newX, newY;
unsigned long andMask[32], xorMask[32];
GeodePtr pGeode = GEODEPTR(pScrni);
unsigned long mskb, rowb;
unsigned char *rowp = &src[0];
unsigned char *mskp = &src[128];
if( src != NULL ) {
mskb = rowb = 0;
for( y=32; --y>=0; )
andMask[y] = xorMask[y] = 0;
for( y=0; y<32; ++y ) {
for( x=0; x<32; ++x ) {
if( (i=x&7) == 0 ) {
rowb = (*rowp & *mskp);
mskb = ~(*mskp);
++rowp; ++mskp;
}
(*pGeode->Rotation)(x,y,32,32,&newX,&newY);
i = 7-i; n = 31-newX;
andMask[newY] |= (((mskb>>i)&1)<>i)&1)<=0; ) {
andMask[y] = ~0;
xorMask[y] = 0;
}
}
#ifdef ARGB_CURSOR
pGeode->cursor_argb = FALSE;
#endif
#if 0
andMask[31] = 0;
xorMask[31] = 0;
for( y=31; --y>0; ) {
andMask[y] &= ~0x80000001;
xorMask[y] &= ~0x80000001;
}
andMask[0] = 0;
xorMask[0] = 0;
#endif
vg_set_mono_cursor_shape32(pGeode->CursorStartOffset,&andMask[0],&xorMask[0],31,31);
}
/*----------------------------------------------------------------------------
* LXHideCursor
*
* Description :This function will disable the cursor.
*
* Parameters:
* pScrni: Handles to the Screeen information pointer structure.
*
* Returns: none.
*
* Comments: gfx_set_cursor enable function is hardcoded to disable
* the cursor.
*----------------------------------------------------------------------------
*/
void
LXHideCursor(ScrnInfoPtr pScrni)
{
vg_set_cursor_enable(0);
}
/*----------------------------------------------------------------------------
* LXShowCursor
*
* Description :This function will enable the cursor.
*
* Parameters:
* pScrni :Handles to the Screeen information pointer structure.
*
* Returns :none
*
* Comments :gfx_set_cursor enable function is hardcoded to enable the
* cursor
*----------------------------------------------------------------------------
*/
void
LXShowCursor(ScrnInfoPtr pScrni)
{
vg_set_cursor_enable(1);
}
/*----------------------------------------------------------------------------
* LXUseHwCursor.
*
* Description :This function will sets the hardware cursor flag in
* pscreen structure.
*
* Parameters.
* pScreen :Handles to the Screeen pointer structure.
*
* Returns :none
*
* Comments :none
*
*----------------------------------------------------------------------------
*/
static Bool
LXUseHWCursor(ScreenPtr pScrn, CursorPtr pCurs)
{
ScrnInfoPtr pScrni = XF86SCRNINFO(pScrn);
if (pScrni->currentMode->Flags & V_DBLSCAN)
return FALSE;
return TRUE;
}
#ifdef ARGB_CURSOR
#include "cursorstr.h"
/* Determine if hardware cursor is in use. */
static Bool LXUseHWCursorARGB (ScreenPtr pScrn, CursorPtr pCurs)
{
ScrnInfoPtr pScrni = xf86Screens[pScrn->myNum];
GeodePtr pGeode = GEODEPTR(pScrni);
if (LXUseHWCursor(pScrn, pCurs) &&
pCurs->bits->height <= HW_ARGB_CURSOR_H &&
pCurs->bits->width <= HW_ARGB_CURSOR_W)
return TRUE;
return FALSE;
}
static void LXLoadCursorARGB (ScrnInfoPtr pScrni, CursorPtr pCurs)
{
GeodePtr pGeode = GEODEPTR(pScrni);
int x, y, w, h, newX,newY, newW, newH;
CARD32 *image = pCurs->bits->argb;
CARD32 rotated_image[HW_ARGB_CURSOR_W * HW_ARGB_CURSOR_H];
if (!image)
return; /* XXX can't happen */
w = pCurs->bits->width;
h = pCurs->bits->height;
switch( pGeode->Rotate )
{
case 1:
case 3:
newW=h;
newH=w;
break;
case 2:
default:
newW=w;
newH=h;
}
if (newW > HW_ARGB_CURSOR_W)
newW = HW_ARGB_CURSOR_W;
if (newH > HW_ARGB_CURSOR_H)
newH = HW_ARGB_CURSOR_H;
for (y=0;yRotation)(x,y,w,h,&newX,&newY);
rotated_image [newY*newW+newX] = image[y*w+x];
}
vg_set_color_cursor_shape (pGeode->CursorStartOffset,
(unsigned char*)rotated_image,
newW, newH, newW * 4 /*pitch*/, 31/*x_hot*/, 31/*y_hotspot*/);
pGeode->cursor_argb = TRUE;
}
#endif
/* End of File */