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#include "dxr3osd_subpicture.h"
#define MAXNUMWINDOWS 7 // OSD windows are counted 1...7
// ==================================
//! constructor
cDxr3SubpictureOsd::cDxr3SubpictureOsd(int Left, int Top) : cOsd(Left, Top)
{
shown = false;
Spu = &cSPUEncoder::Instance();
// must clear all windows here to avoid flashing effects - doesn't work if done
// in Flush() only for the windows that are actually used...
for (int i = 0; i < MAXNUMWINDOWS; i++)
{
Spu->Cmd(OSD_SetWindow, 0, i + 1);
Spu->Cmd(OSD_Clear);
}
}
// ==================================
cDxr3SubpictureOsd::~cDxr3SubpictureOsd()
{
if (shown)
{
cBitmap *Bitmap;
for (int i = 0; (Bitmap = GetBitmap(i)) != NULL; i++)
{
Spu->Cmd(OSD_SetWindow, 0, i + 1);
Spu->Cmd(OSD_Close);
}
}
}
// ==================================
eOsdError cDxr3SubpictureOsd::CanHandleAreas(const tArea *Areas, int NumAreas)
{
eOsdError Result = cOsd::CanHandleAreas(Areas, NumAreas);
if (Result == oeOk)
{
if (NumAreas > MAXNUMWINDOWS)
{
return oeTooManyAreas;
}
for (int i = 0; i < NumAreas; i++)
{
// at the moment we dont support 256 color palette
if (Areas[i].bpp != 1 && Areas[i].bpp != 2 && Areas[i].bpp != 4/* && Areas[i].bpp != 8*/)
{
return oeBppNotSupported;
}
if ((Areas[i].Width() & (8 / Areas[i].bpp - 1)) != 0)
{
return oeWrongAlignment;
}
}
}
return Result;
}
// ==================================
void cDxr3SubpictureOsd::SaveRegion(int x1, int y1, int x2, int y2)
{
// ToDo?
}
// ==================================
void cDxr3SubpictureOsd::RestoreRegion()
{
// ToDo?
}
// ==================================
void cDxr3SubpictureOsd::Flush()
{
cBitmap *Bitmap;
for (int i = 0; (Bitmap = GetBitmap(i)) != NULL; i++)
{
Spu->Cmd(OSD_SetWindow, 0, i + 1);
if (!shown)
{
Spu->Cmd(OSD_Open, Bitmap->Bpp(), Left() + Bitmap->X0(), Top() + Bitmap->Y0(), Left() + Bitmap->X0() + Bitmap->Width() - 1, Top() + Bitmap->Y0() + Bitmap->Height() - 1, (void *)1); // initially hidden!
}
int x1 = 0, y1 = 0, x2 = 0, y2 = 0;
if (Bitmap->Dirty(x1, y1, x2, y2))
{
//TODO Workaround: apparently the bitmap sent to the driver always has to be a multiple
//TODO of 8 bits wide, and (dx * dy) also has to be a multiple of 8.
//TODO Fix driver (should be able to handle any size bitmaps!)
while ((x1 > 0 || x2 < Bitmap->Width() - 1) && ((x2 - x1) & 7) != 7)
{
if (x2 < Bitmap->Width() - 1)
{
x2++;
}
else if (x1 > 0)
{
x1--;
}
}
//TODO "... / 2" <==> Bpp???
while ((y1 > 0 || y2 < Bitmap->Height() - 1) && (((x2 - x1 + 1) * (y2 - y1 + 1) / 2) & 7) != 0)
{
if (y2 < Bitmap->Height() - 1)
{
y2++;
}
else if (y1 > 0)
{
y1--;
}
}
while ((x1 > 0 || x2 < Bitmap->Width() - 1) && (((x2 - x1 + 1) * (y2 - y1 + 1) / 2) & 7) != 0)
{
if (x2 < Bitmap->Width() - 1)
{
x2++;
}
else if (x1 > 0)
{
x1--;
}
}
// commit colors:
int NumColors;
const tColor *Colors = Bitmap->Colors(NumColors);
if (Colors)
{
// TODO this should be fixed in the driver!
tColor colors[NumColors];
for (int i = 0; i < NumColors; i++)
{
// convert AARRGGBB to AABBGGRR (the driver expects the colors the wrong way):
colors[i] = (Colors[i] & 0xFF000000) | ((Colors[i] & 0x0000FF) << 16) | (Colors[i] & 0x00FF00) | ((Colors[i] & 0xFF0000) >> 16);
}
Colors = colors;
//TODO end of stuff that should be fixed in the driver
Spu->Cmd(OSD_SetPalette, 0, NumColors - 1, 0, 0, 0, Colors);
}
// commit modified data:
//Spu->Cmd(OSD_SetBlock, Bitmap->Width(), x1, y1, x2, y2, Bitmap->Data(x1, y1));
Spu->Cmd(OSD_SetBlock, Bitmap->Width(), x1, y1, x2, y2, Bitmap->Data(x1, y1));
}
Bitmap->Clean();
}
if (!shown)
{
// Showing the windows in a separate loop to avoid seeing them come up one after another
for (int i = 0; (Bitmap = GetBitmap(i)) != NULL; i++)
{
Spu->Cmd(OSD_SetWindow, 0, i + 1);
Spu->Cmd(OSD_MoveWindow, 0, Left() + Bitmap->X0(), Top() + Bitmap->Y0());
}
shown = true;
}
}
// Local variables:
// mode: c++
// c-file-style: "stroustrup"
// c-file-offsets: ((inline-open . 0))
// indent-tabs-mode: t
// End:
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