📄 s3c2410x_lcd.cpp
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}
#ifdef ROTATE
switch (m_iRotate)
{
case DMDO_0:
iRotate = (y - m_CursorRect.top)*m_CursorSize.x + x - m_CursorRect.left;
break;
case DMDO_90:
iRotate = (x - m_CursorRect.left)*m_CursorSize.x + m_CursorSize.y - 1 - (y - m_CursorRect.top);
break;
case DMDO_180:
iRotate = (m_CursorSize.y - 1 - (y - m_CursorRect.top))*m_CursorSize.x + m_CursorSize.x - 1 - (x - m_CursorRect.left);
break;
case DMDO_270:
iRotate = (m_CursorSize.x -1 - (x - m_CursorRect.left))*m_CursorSize.x + y - m_CursorRect.top;
break;
default:
iRotate = (y - m_CursorRect.top)*m_CursorSize.x + x - m_CursorRect.left;
break;
}
#endif //ROTATE
cbsLine[(x - m_CursorRect.left) * (m_colorDepth >> 3)] = ptrLine[x * (m_colorDepth >> 3)];
#ifdef ROTATE
ptrLine[x * (m_colorDepth >> 3)] &= m_CursorAndShape[iRotate];
ptrLine[x * (m_colorDepth >> 3)] ^= m_CursorXorShape[iRotate];
#else
ptrLine[x * (m_colorDepth >> 3)] &= andLine[x - m_CursorRect.left];
ptrLine[x * (m_colorDepth >> 3)] ^= xorLine[x - m_CursorRect.left];
#endif //ROTATE
if (m_colorDepth > 8)
{
cbsLine[(x - m_CursorRect.left) * (m_colorDepth >> 3) + 1] = ptrLine[x * (m_colorDepth >> 3) + 1];
#ifdef ROTATE
ptrLine[x * (m_colorDepth >> 3) + 1] &= m_CursorAndShape[iRotate];
ptrLine[x * (m_colorDepth >> 3) + 1] ^= m_CursorXorShape[iRotate];
#else
ptrLine[x * (m_colorDepth >> 3) + 1] &= andLine[x - m_CursorRect.left];
ptrLine[x * (m_colorDepth >> 3) + 1] ^= xorLine[x - m_CursorRect.left];
#endif //ROTATE
if (m_colorDepth > 16)
{
cbsLine[(x - m_CursorRect.left) * (m_colorDepth >> 3) + 2] = ptrLine[x * (m_colorDepth >> 3) + 2];
#ifdef ROTATE
ptrLine[x * (m_colorDepth >> 3) + 2] &= m_CursorAndShape[iRotate];
ptrLine[x * (m_colorDepth >> 3) + 2] ^= m_CursorXorShape[iRotate];
#else
ptrLine[x * (m_colorDepth >> 3) + 2] &= andLine[x - m_CursorRect.left];
ptrLine[x * (m_colorDepth >> 3) + 2] ^= xorLine[x - m_CursorRect.left];
#endif //ROTATE
}
}
}
}
#ifdef ROTATE
m_CursorRect = rSave;
#endif
m_CursorVisible = TRUE;
}
}
void S3C2410DISP::CursorOff (void)
{
UCHAR *ptrScreen = (UCHAR*)m_pPrimarySurface->Buffer();
UCHAR *ptrLine;
UCHAR *cbsLine;
int x, y;
if (!m_CursorForcedOff && !m_CursorDisabled && m_CursorVisible)
{
#ifdef ROTATE
RECTL rSave;
#endif //ROTATE
if (!m_CursorBackingStore)
{
RETAILMSG(0, (TEXT("S3C2410DISP::CursorOff - No backing store available\r\n")));
return;
}
#ifdef ROTATE
rSave = m_CursorRect;
RotateRectl(&m_CursorRect);
#endif //ROTATE
for (y = m_CursorRect.top; y < m_CursorRect.bottom; y++)
{
// clip to displayable screen area (top/bottom)
if (y < 0)
{
continue;
}
#ifndef ROTATE
if (y >= m_nScreenHeight)
#else
if (y >= m_nScreenHeightSave)
#endif //!ROTATE
{
break;
}
ptrLine = &ptrScreen[y * m_pPrimarySurface->Stride()];
cbsLine = &m_CursorBackingStore[(y - m_CursorRect.top) * (m_CursorSize.x * (m_colorDepth >> 3))];
for (x = m_CursorRect.left; x < m_CursorRect.right; x++)
{
// clip to displayable screen area (left/right)
if (x < 0)
{
continue;
}
#ifndef ROTATE
if (x >= m_nScreenWidth)
#else
if (x>= m_nScreenWidthSave)
#endif //!ROTATE
{
break;
}
ptrLine[x * (m_colorDepth >> 3)] = cbsLine[(x - m_CursorRect.left) * (m_colorDepth >> 3)];
if (m_colorDepth > 8)
{
ptrLine[x * (m_colorDepth >> 3) + 1] = cbsLine[(x - m_CursorRect.left) * (m_colorDepth >> 3) + 1];
if (m_colorDepth > 16)
{
ptrLine[x * (m_colorDepth >> 3) + 2] = cbsLine[(x - m_CursorRect.left) * (m_colorDepth >> 3) + 2];
}
}
}
}
#ifdef ROTATE
m_CursorRect = rSave;
#endif //ROTATE
m_CursorVisible = FALSE;
}
}
SCODE S3C2410DISP::SetPointerShape(GPESurf *pMask, GPESurf *pColorSurf, INT xHot, INT yHot, INT cX, INT cY)
{
UCHAR *andPtr; // input pointer
UCHAR *xorPtr; // input pointer
UCHAR *andLine; // output pointer
UCHAR *xorLine; // output pointer
char bAnd;
char bXor;
int row;
int col;
int i;
int bitMask;
RETAILMSG(0, (TEXT("S3C2410DISP::SetPointerShape(0x%X, 0x%X, %d, %d, %d, %d)\r\n"),pMask, pColorSurf, xHot, yHot, cX, cY));
// turn current cursor off
CursorOff();
// release memory associated with old cursor
if (m_CursorBackingStore)
{
delete (void*)m_CursorBackingStore;
m_CursorBackingStore = NULL;
}
if (m_CursorXorShape)
{
delete (void*)m_CursorXorShape;
m_CursorXorShape = NULL;
}
if (m_CursorAndShape)
{
delete (void*)m_CursorAndShape;
m_CursorAndShape = NULL;
}
if (!pMask) // do we have a new cursor shape
{
m_CursorDisabled = TRUE; // no, so tag as disabled
}
else
{
m_CursorDisabled = FALSE; // yes, so tag as not disabled
// allocate memory based on new cursor size
m_CursorBackingStore = new UCHAR[(cX * (m_colorDepth >> 3)) * cY];
m_CursorXorShape = new UCHAR[cX * cY];
m_CursorAndShape = new UCHAR[cX * cY];
if (!m_CursorXorShape || !m_CursorAndShape)
{
return(ERROR_NOT_ENOUGH_MEMORY);
}
// store size and hotspot for new cursor
m_CursorSize.x = cX;
m_CursorSize.y = cY;
m_CursorHotspot.x = xHot;
m_CursorHotspot.y = yHot;
andPtr = (UCHAR*)pMask->Buffer();
xorPtr = (UCHAR*)pMask->Buffer() + (cY * pMask->Stride());
// store OR and AND mask for new cursor
for (row = 0; row < cY; row++)
{
andLine = &m_CursorAndShape[cX * row];
xorLine = &m_CursorXorShape[cX * row];
for (col = 0; col < cX / 8; col++)
{
bAnd = andPtr[row * pMask->Stride() + col];
bXor = xorPtr[row * pMask->Stride() + col];
for (bitMask = 0x0080, i = 0; i < 8; bitMask >>= 1, i++)
{
andLine[(col * 8) + i] = bAnd & bitMask ? 0xFF : 0x00;
xorLine[(col * 8) + i] = bXor & bitMask ? 0xFF : 0x00;
}
}
}
}
return S_OK;
}
SCODE S3C2410DISP::MovePointer(INT xPosition, INT yPosition)
{
RETAILMSG(0, (TEXT("S3C2410DISP::MovePointer(%d, %d)\r\n"), xPosition, yPosition));
CursorOff();
if (xPosition != -1 || yPosition != -1)
{
// compute new cursor rect
m_CursorRect.left = xPosition - m_CursorHotspot.x;
m_CursorRect.right = m_CursorRect.left + m_CursorSize.x;
m_CursorRect.top = yPosition - m_CursorHotspot.y;
m_CursorRect.bottom = m_CursorRect.top + m_CursorSize.y;
CursorOn();
}
return S_OK;
}
void S3C2410DISP::WaitForNotBusy(void)
{
RETAILMSG(0, (TEXT("S3C2410DISP::WaitForNotBusy\r\n")));
return;
}
int S3C2410DISP::IsBusy(void)
{
RETAILMSG(0, (TEXT("S3C2410DISP::IsBusy\r\n")));
return 0;
}
void S3C2410DISP::GetPhysicalVideoMemory(unsigned long *physicalMemoryBase, unsigned long *videoMemorySize)
{
RETAILMSG(0, (TEXT("S3C2410DISP::GetPhysicalVideoMemory\r\n")));
*physicalMemoryBase = gdwLCDVirtualFrameBase;
*videoMemorySize = m_cbScanLineLength * m_nScreenHeight;
}
void S3C2410DISP::GetVirtualVideoMemory(unsigned long *virtualMemoryBase, unsigned long *videoMemorySize)
{
DEBUGMSG (GPE_ZONE_INIT, (TEXT("RGPEFlat::GetVirtualVideoMemory\r\n")));
*virtualMemoryBase = gdwLCDVirtualFrameBase;
*videoMemorySize = m_cbScanLineLength * m_nScreenHeight;
}
SCODE S3C2410DISP::AllocSurface(GPESurf **surface, INT width, INT height, EGPEFormat format, INT surfaceFlags)
{
RETAILMSG(0, (TEXT("S3C2410DISP::AllocSurface\r\n")));
if (surfaceFlags & GPE_REQUIRE_VIDEO_MEMORY)
{
return E_OUTOFMEMORY;
}
// Allocate from system memory
*surface = new GPESurf(width, height, format);
if (*surface != NULL)
{
// Check that the bits were allocated succesfully
if (((*surface)->Buffer()) == NULL)
{
delete *surface; // Clean up
}
else
{
return S_OK;
}
}
return E_OUTOFMEMORY;
}
SCODE S3C2410DISP::AllocSurface(DDGPESurf **surface, INT width, INT height, EGPEFormat format, EDDGPEPixelFormat pixelFormat, INT surfaceFlags)
{
RETAILMSG(0, (TEXT("S3C2410DISP::AllocSurface\r\n")));
if (surfaceFlags & GPE_REQUIRE_VIDEO_MEMORY)
{
return E_OUTOFMEMORY;
}
// Allocate from system memory
DWORD bpp = EGPEFormatToBpp[format];
DWORD stride = ((bpp * width + 31) >> 5) << 2;
DWORD nSurfaceBytes = stride * height;
*surface = new DDGPESurf(width, height, stride, format, pixelFormat);
if (*surface != NULL)
{
// Check that the bits were allocated succesfully
if (((*surface)->Buffer()) == NULL)
{
delete *surface; // Clean up
}
else
{
return S_OK;
}
}
return E_OUTOFMEMORY;
}
void S3C2410DISP::SetVisibleSurface(GPESurf* pTempSurf, BOOL bWaitForVBlank)
{
GPESurf * pSurf = (GPESurf *)pTempSurf;
}
SCODE S3C2410DISP::WrappedEmulatedLine (GPELineParms *lineParameters)
{
SCODE retval;
RECT bounds;
int N_plus_1; // Minor length of bounding rect + 1
// calculate the bounding-rect to determine overlap with cursor
if (lineParameters->dN) // The line has a diagonal component (we'll refresh the bounding rect)
{
N_plus_1 = 2 + ((lineParameters->cPels * lineParameters->dN) / lineParameters->dM);
}
else
{
N_plus_1 = 1;
}
switch(lineParameters->iDir)
{
case 0:
bounds.left = lineParameters->xStart;
bounds.top = lineParameters->yStart;
bounds.right = lineParameters->xStart + lineParameters->cPels + 1;
bounds.bottom = bounds.top + N_plus_1;
break;
case 1:
bounds.left = lineParameters->xStart;
bounds.top = lineParameters->yStart;
bounds.bottom = lineParameters->yStart + lineParameters->cPels + 1;
bounds.right = bounds.left + N_plus_1;
break;
case 2:
bounds.right = lineParameters->xStart + 1;
bounds.top = lineParameters->yStart;
bounds.bottom = lineParameters->yStart + lineParameters->cPels + 1;
bounds.left = bounds.right - N_plus_1;
break;
case 3:
bounds.right = lineParameters->xStart + 1;
bounds.top = lineParameters->yStart;
bounds.left = lineParameters->xStart - lineParameters->cPels;
bounds.bottom = bounds.top + N_plus_1;
break;
case 4:
bounds.right = lineParameters->xStart + 1;
bounds.bottom = lineParameters->yStart + 1;
bounds.left = lineParameters->xStart - lineParameters->cPels;
bounds.top = bounds.bottom - N_plus_1;
break;
case 5:
bounds.right = lineParameters->xStart + 1;
bounds.bottom = lineParameters->yStart + 1;
bounds.top = lineParameters->yStart - lineParameters->cPels;
bounds.left = bounds.right - N_plus_1;
break;
case 6:
bounds.left = lineParameters->xStart;
bounds.bottom = lineParameters->yStart + 1;
bounds.top = lineParameters->yStart - lineParameters->cPels;
bounds.right = bounds.left + N_plus_1;
break;
case 7:
bounds.left = lineParameters->xStart;
bounds.bottom = lineParameters->yStart + 1;
bounds.right = lineParameters->xStart + lineParameters->cPels + 1;
bounds.top = bounds.bottom - N_plus_1;
break;
default:
RETAILMSG(0, (TEXT("Invalid direction: %d\r\n"), lineParameters->iDir));
return E_INVALIDARG;
}
// check for line overlap with cursor and turn off cursor if overlaps
if (m_CursorVisible && !m_CursorDisabled &&
m_CursorRect.top < bounds.bottom && m_CursorRect.bottom > bounds.top &&
m_CursorRect.left < bounds.right && m_CursorRect.right > bounds.left)
{
CursorOff();
m_CursorForcedOff = TRUE;
}
// do emulated line
retval = EmulatedLine (lineParameters);
// se if cursor was forced off because of overlap with line bouneds and turn back on
if (m_CursorForcedOff)
{
m_CursorForcedOff = FALSE;
CursorOn();
}
return retval;
}
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