?? cursor.cpp
字號:
{
// If panel output is enabled, disable panel HWC
// Hwc's Enable bit (Bit 31) is tied to Vsync and will only be set/cleared
// during the next Vsync. Meanwhile, another request to disable/enable
// Hwc could arrive. Therefore, need to set m_nPanelHwcOnOff to indicate
// whether Hwc is currently enabled/disabled and write this value to Bit 31
// whenever there is a write to CRT_HWC_ADDRESS register outside of
// DisableCursor()/EnableCursor() functions.
//
// This fixes the problem where the cursor appears on
// both screens simultaneously in Multimon mode when running ddex1.exe
// (DirectDraw sample application).
m_nPanelHwcOnOff = 0;
ULONG dwAdd = PEEK_32(CRT_HWC_ADDRESS);
dwAdd = FIELD_SET(dwAdd, CRT_HWC_ADDRESS, ENABLE, DISABLE);
POKE_32(CRT_HWC_ADDRESS, dwAdd);
}
void SMI::EnableCursor(void)
{
// If panel output is enabled, enable panel HWC
// Hwc's Enable bit (Bit 31) is tied to Vsync and will only be set/cleared
// during the next Vsync. Meanwhile, another request to disable/enable
// Hwc could arrive. Therefore, need to set m_nPanelHwcOnOff to indicate
// whether Hwc is currently enabled/disabled and write this value to Bit 31
// whenever there is a write to CRT_HWC_ADDRESS register outside of
// DisableCursor()/EnableCursor() functions.
//
m_nPanelHwcOnOff = 1;
ULONG dwAdd = PEEK_32(CRT_HWC_ADDRESS);
dwAdd = FIELD_SET(dwAdd, CRT_HWC_ADDRESS, ENABLE, ENABLE);
POKE_32(CRT_HWC_ADDRESS, dwAdd);
}
void SMI::SetupCursor(void)
{
#ifdef CMDLIST
m_nVideoMemoryAvail = m_nVideoMemoryAvail - CURSUR_IMAGE_SIZE - m_cmdlist_size;
#else // CMDLIST
m_nVideoMemoryAvail = m_nVideoMemoryAvail - CURSUR_IMAGE_SIZE;
#endif // CMDLIST
m_nCursorMemory = m_nVideoMemoryAvail;
DisableCursor();
// Clear Cursor Mem - Cannot at this point, because memory not ready
//memset((PUCHAR) m_pLAW+m_nCursorMemory, 0, 2048);
SetCursorAddress(m_nCursorMemory);
}
SCODE SMI::RotateCursorShape(int angle)
{
#ifdef ROTATION_ENABLE
if (angle == 0)
return S_OK;
BYTE *pByte, *pCursor;
ULONG ulBase, ulIndex;
BYTE src[256], dst[256]; /* 128 = 8 x 32 */
BYTE jMask, j, bitMask;
int x, y, cx = 32, cy = 32, tx;
pCursor = pByte = m_pLAW + m_nCursorMemory;
memset(src, 0x00, sizeof(src));
memset(dst, 0x00, sizeof(dst));
//Save the original pointer shape into local memory shapeRow[]
for (y=0; y<cy; y++)
{
for (x=0; x<cx/4; x++)
src[y*8+x] = pByte[x];
pByte+=16;
}
switch (angle)
{
case DMDO_90:
for (y = 0; y < cy; y++)
{
jMask = 0x02 << ((y&3)*2);
for (x = 0; x < cx; x++)
{
j = src[y*8 + x/4];
bitMask = 0x02 << ((x&3)*2);
ulBase = (31 - x) * 8;
ulIndex = (ulBase + y / 4);
if (j & bitMask)
dst[ulIndex] |= jMask;
if (j & (bitMask>>1))
dst[ulIndex] |= (jMask >> 1);
}
}
tx = m_nXHot;
m_nXHot = m_nYHot;
m_nYHot = 31 - tx;
break;
case DMDO_180:
for (y = 0; y < cy; y++)
{
ulBase = (31 - y) * 8;
for (x = 0; x < cx; x++)
{
j = src[y*8 + x/4];
ulIndex = (ulBase + (31 - x) / 4);
bitMask = 0x80 >> ((x&3)*2);
jMask = 0x02 << ((x&3)*2);
if (j & bitMask)
dst[ulIndex] |= jMask;
bitMask = 0x80 >> ((x&3)*2+1);
if (j & bitMask)
dst[ulIndex] |= (jMask >> 1);
}
}
m_nXHot = 31 - m_nXHot;
m_nYHot = 31 - m_nYHot;
break;
case DMDO_270:
for (y = 0; y < cy; y++)
{
jMask = 0x80 >> ((y&3)*2);
// Write available bits into shapeRow
for (x = 0; x < cx; x++)
{
j = src[y*8 + x/4];
bitMask = 0x02 << ((x&3)*2);
ulBase = x * 8;
ulIndex = (ulBase + (31 - y) / 4);
if (j & bitMask)
dst[ulIndex] |= jMask;
if (j & (bitMask>>1))
dst[ulIndex] |= (jMask >> 1);
}
}
tx = m_nXHot;
m_nXHot = 31 - m_nYHot;
m_nYHot = tx;
break;
}
for (y=0; y<cy; y++)
{
for (x=0; x<cx/4; x++)
pCursor[x] = dst[y*8+x];
pCursor+=16;
}
#endif // ROTATION_ENABLE
return S_OK;
}
void AddString(LPTSTR pBuf, LPTSTR pStr)
{
LPTSTR pBufTemp = pBuf;
LPTSTR pStrTemp = pStr;
while (*pBufTemp != '\0') pBufTemp++;
while (*pStrTemp != '\0')
{
*pBufTemp = *pStrTemp;
pBufTemp++; pStrTemp++;
}
*pBufTemp = '\0';
return;
}
void SMI::AdjustCursorShape(void)
{
BYTE *pByte, *pCursor;
ULONG ulIndex;
BYTE src[1024], dst[1024]; /* 128 = 16 x 64 */
BYTE j, jMask, bitMask;
int x, y, cx = 32, cy = 32, dx, dy, tx = 64/4;
DWORD dwCxZoom, dwCyZoom;
if (m_SMISettings.m_nCursorZoomEnabled != 1)
return;
if ( ((DWORD)m_SMISettings.m_dwCxPanel == m_SMISettings.m_dwCxZoom) ||
((DWORD)m_SMISettings.m_dwCyPanel == m_SMISettings.m_dwCyZoom) )
return;
dwCxZoom = (m_SMISettings.m_dwCxZoom < m_SMISettings.m_dwCxPanel / 2) ?
(m_SMISettings.m_dwCxPanel / 2) :
m_SMISettings.m_dwCxZoom;
dwCyZoom = (m_SMISettings.m_dwCyZoom < m_SMISettings.m_dwCyPanel / 2) ?
(m_SMISettings.m_dwCyPanel / 2) :
m_SMISettings.m_dwCyZoom;
pCursor = pByte = m_pLAW + m_nCursorMemory;
//Save the original pointer shape into local memory src
memcpy(src, pByte, sizeof(src));
memset(dst, 0x00, sizeof(dst));
dx = (cx * m_SMISettings.m_dwCxPanel)/dwCxZoom;
dy = (cy * m_SMISettings.m_dwCyPanel)/dwCyZoom;
/*
RETAILMSG(1,(TEXT("Original Cursor\r\n")));
for (y = 0; y < cy; y++)
{
TCHAR cBuffer[1024];
TCHAR cTemp[1024];
*cBuffer = '\0';
for (x = 0; x < cx/4; x++)
{
wsprintf((LPTSTR)cTemp,L"%02X ",src[y*tx+x]);
AddString((LPTSTR)cBuffer,(LPTSTR)cTemp);
}
AddString((LPTSTR)cBuffer,L"\r\n");
RETAILMSG(1,(TEXT("%s"),cBuffer));
}
*/
// Stretch in Y
for (y = 0; y < dy; y++)
{
for (x = 0; x < cx; x++)
{
ulIndex = (y*tx + x/4);
j = src[(y*dwCyZoom/m_SMISettings.m_dwCyPanel)*tx + x/4];
bitMask = 0x01 << ((x&3)*2);
if (j & bitMask) dst[ulIndex] |= bitMask;
bitMask = 0x01 << ((x&3)*2+1);
if (j & bitMask) dst[ulIndex] |= bitMask;
}
}
/*
RETAILMSG(1,(TEXT("Stretch Y Cursor\r\n")));
for (y = 0; y < dy; y++)
{
TCHAR cBuffer[1024];
TCHAR cTemp[1024];
*cBuffer = '\0';
for (x = 0; x < cx/4; x++)
{
wsprintf((LPTSTR)cTemp,L"%02X ",dst[y*tx+x]);
AddString((LPTSTR)cBuffer,(LPTSTR)cTemp);
}
AddString((LPTSTR)cBuffer,L"\r\n");
RETAILMSG(1,(TEXT("%s"),cBuffer));
}
//*/
// Clear old Src
memset(src, 0x00, sizeof(src));
// Stretch in X
for (y = 0; y < dy; y++)
{
for (x = 0; x < dx; x++)
{
ulIndex = (y*tx + x/4);
j = dst[y*tx + (x*dwCxZoom/m_SMISettings.m_dwCxPanel)/4];
jMask = 0x01 << (((x*dwCxZoom/m_SMISettings.m_dwCxPanel)&3)*2);
bitMask = 0x01 << ((x&3)*2);
if (j & jMask) src[ulIndex] |= bitMask;
jMask = 0x01 << (((x*dwCxZoom/m_SMISettings.m_dwCxPanel)&3)*2+1);
bitMask = 0x01 << ((x&3)*2+1);
if (j & jMask) src[ulIndex] |= bitMask;
}
}
/*
RETAILMSG(1,(TEXT("Stretch X Cursor\r\n")));
for (y = 0; y < dy; y++)
{
TCHAR cBuffer[1024];
TCHAR cTemp[1024];
*cBuffer = '\0';
for (x = 0; x < dx/4; x++)
{
wsprintf((LPTSTR)cTemp,L"%02X ",src[y*tx+x]);
AddString((LPTSTR)cBuffer,(LPTSTR)cTemp);
}
AddString((LPTSTR)cBuffer,L"\r\n");
RETAILMSG(1,(TEXT("%s"),cBuffer));
}
//*/
// Adjust Cursor Hot Spot
m_nXHot = (m_nXHot * m_SMISettings.m_dwCxPanel)/dwCxZoom;
m_nYHot = (m_nYHot * m_SMISettings.m_dwCyPanel)/dwCyZoom;
// Copy back to memory
memcpy(pByte, src, sizeof(src));
return;
}
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