SCERROR Surface::TransparentBlt_(
Surface* to,
Surface* from,
u32_t trans,
int x, int y ,
const rect_t* rect)
{
rect_t r;
unsigned surfmt = Surface::GET_PIXFORMAT(from->GetFormat());
fail_if ( surfmt != Surface::GET_PIXFORMAT(to->GetFormat()) );
if ( !PrepareRect(r,to,from,x,y,rect) ) return SCE_OK;
const int width = r.right-r.left;
if ( width == 0 ) return SCE_OK;
SurfLock lfrom(from); reterr_if ( lfrom.PeekError() );
SurfLock lto(to); reterr_if ( lto.PeekError() );
int src_stride,dst_stride; // получаем адреса памяти для пикселей
cbyte_t* src = (cbyte_t*)lfrom->GetMemory(src_stride);
byte_t* dst = (byte_t*)lto->GetMemory(dst_stride);
int depth = 0;
switch ( surfmt ) {
case Surface::RGBx32: depth = 4; break;
case Surface::RGB5x5: depth = 2; break;
case Surface::PAL:
case Surface::ALPHA: depth = 1; break;
default: fail_if ("INVALID SURFACE FORMAT");
}
dst+=y*dst_stride+x*depth; //
src+=r.top*src_stride+r.left*depth; // поправка на координаты
switch ( surfmt ) {
case Surface::RGBx32:
CopyTransparentRect_T(r.bottom-r.top,src,src_stride,dst,dst_stride,width,u32_t(trans));
break;
case Surface::RGB5x5:
CopyTransparentRect_T(r.bottom-r.top,src,src_stride,dst,dst_stride,width,u16_t(trans));
break;
case Surface::PAL:
case Surface::ALPHA:
CopyTransparentRect_T(r.bottom-r.top,src,src_stride,dst,dst_stride,width,byte_t(trans));
break;
default: fail_if ("INVALID SURFACE FORMAT");
}
return SCE_OK;
}
fd_manager_t::fd_manager_t()
{
counter=u32_t(-1);
counter+=100;
reserve(10007);
}