#include <memory.h>
#include <linux/kd.h>
-#include <lib/base/econfig.h>
#include <lib/gdi/fb.h>
+#ifndef FBIO_WAITFORVSYNC
+#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
+#endif
+
+
fbClass *fbClass::instance;
fbClass *fbClass::getInstance()
goto nolfb;
}
-// showConsole(0);
+ showConsole(0);
return;
nolfb:
lfb=0;
int fbClass::SetMode(unsigned int nxRes, unsigned int nyRes, unsigned int nbpp)
{
-/* screeninfo.xres_virtual=screeninfo.xres=nxRes;
- screeninfo.yres_virtual=screeninfo.yres=nyRes; */
+ screeninfo.xres_virtual=screeninfo.xres=nxRes;
+ screeninfo.yres_virtual=(screeninfo.yres=nyRes)*2;
screeninfo.height=0;
screeninfo.width=0;
screeninfo.xoffset=screeninfo.yoffset=0;
screeninfo.bits_per_pixel=nbpp;
+
if (ioctl(fd, FBIOPUT_VSCREENINFO, &screeninfo)<0)
{
- perror("FBIOPUT_VSCREENINFO");
- printf("fb failed\n");
- return -1;
- }
+ // try single buffering
+ screeninfo.yres_virtual=screeninfo.yres=nyRes;
+
+ if (ioctl(fd, FBIOPUT_VSCREENINFO, &screeninfo)<0)
+ {
+ perror("FBIOPUT_VSCREENINFO");
+ printf("fb failed\n");
+ return -1;
+ }
+ eDebug(" - double buffering not available.");
+ } else
+ eDebug(" - double buffering available!");
+
+ m_number_of_pages = screeninfo.yres_virtual / nyRes;
+
+ ioctl(fd, FBIOGET_VSCREENINFO, &screeninfo);
+
if ((screeninfo.xres!=nxRes) && (screeninfo.yres!=nyRes) && (screeninfo.bits_per_pixel!=nbpp))
{
eDebug("SetMode failed: wanted: %dx%dx%d, got %dx%dx%d",
return 0;
}
+int fbClass::setOffset(int off)
+{
+ screeninfo.xoffset = 0;
+ screeninfo.yoffset = off;
+ return ioctl(fd, FBIOPAN_DISPLAY, &screeninfo);
+}
+
+int fbClass::waitVSync()
+{
+ int c = 0;
+ return ioctl(fd, FBIO_WAITFORVSYNC, &c);
+}
+
fbClass::~fbClass()
{
if (available)
return ioctl(fd, FBIOPUTCMAP, &cmap);
}
-void fbClass::Box(int x, int y, int width, int height, int color, int backcolor)
-{
- if (width<=2 || locked)
- return;
- int offset=y*stride+x/2;
- int first=0xF0|((color&0xF0)>>4);
- int last= 0xF0|((backcolor&0xF0)>>4);
- color=(color&0xF)*0x11;
- int halfwidth=width/2;
- for (int ay=y; ay<(y+height); ay++)
- {
- lfb[offset]=first;
- memset(lfb+offset+1, color, halfwidth-2);
- lfb[offset+halfwidth-1]=last;
- offset+=stride;
- }
-}
-
-void fbClass::NBox(int x, int y, int width, int height, int color)
-{
- if (locked)
- return;
- int offset=y*stride+x/2;
- int halfwidth=width/2;
- for (int ay=y; ay<(y+height); ay++)
- {
- memset(lfb+offset, color, halfwidth);
- offset+=stride;
- }
-}
-
-void fbClass::VLine(int x, int y, int sy, int color)
-{
- if (locked)
- return;
- int offset=y*stride+x/2;
- while (sy--)
- {
- lfb[offset]=color;
- offset+=stride;
- }
-}
-
int fbClass::lock()
{
if (locked)