fbClass::fbClass(const char *fb)
{
- m_manual_blit=0;
+ m_manual_blit=-1;
instance=this;
locked=0;
available=0;
}
available=fix.smem_len;
+ m_phys_mem = fix.smem_start;
eDebug("%dk video mem", available/1024);
lfb=(unsigned char*)mmap(0, available, PROT_WRITE|PROT_READ, MAP_SHARED, fd, 0);
if (!lfb)
screeninfo.width=0;
screeninfo.xoffset=screeninfo.yoffset=0;
screeninfo.bits_per_pixel=nbpp;
-
+
+ switch (nbpp) {
+ case 16:
+ // ARGB 1555
+ screeninfo.transp.offset = 15;
+ screeninfo.transp.length = 1;
+ screeninfo.red.offset = 10;
+ screeninfo.red.length = 5;
+ screeninfo.green.offset = 5;
+ screeninfo.green.length = 5;
+ screeninfo.blue.offset = 0;
+ screeninfo.blue.length = 5;
+ break;
+ case 32:
+ // ARGB 8888
+ screeninfo.transp.offset = 24;
+ screeninfo.transp.length = 8;
+ screeninfo.red.offset = 16;
+ screeninfo.red.length = 8;
+ screeninfo.green.offset = 8;
+ screeninfo.green.length = 8;
+ screeninfo.blue.offset = 0;
+ screeninfo.blue.length = 8;
+ break;
+ }
+
if (ioctl(fd, FBIOPUT_VSCREENINFO, &screeninfo)<0)
{
// try single buffering
void fbClass::blit()
{
- if (m_manual_blit) {
+ if (m_manual_blit == 1) {
if (ioctl(fd, FBIO_BLIT) < 0)
perror("FBIO_BLIT");
}
{
if (locked)
return -1;
- locked=1;
+ if (m_manual_blit == 1)
+ {
+ locked = 2;
+ disableManualBlit();
+ }
+ else
+ locked = 1;
return fd;
}
{
if (!locked)
return;
+ if (locked == 2) // re-enable manualBlit
+ enableManualBlit();
locked=0;
SetMode(xRes, yRes, bpp);
PutCMAP();