//
// OSD_Draw() -- Draw the onscreen display
//
void OSD_Draw(void)
{
unsigned topoffs;
int row, lines, x, len;
if (!osdvisible || !osdinited) return;
topoffs = osdhead * osdcols;
row = osdrows-1;
lines = min( osdlines-osdhead, osdrows );
begindrawing();
clearbackground(osdcols,osdrows+1);
for (; lines>0; lines--, row--) {
drawosdstr(0,row,osdtext+topoffs,osdcols,osdtextshade,osdtextpal);
topoffs+=osdcols;
}
drawosdchar(2,osdrows,'>',osdpromptshade,osdpromptpal);
if (osdeditcaps) drawosdchar(0,osdrows,'C',osdpromptshade,osdpromptpal);
if (osdeditshift) drawosdchar(1,osdrows,'H',osdpromptshade,osdpromptpal);
len = min(osdcols-1-3, osdeditlen-osdeditwinstart);
for (x=0; x<len; x++)
drawosdchar(3+x,osdrows,osdeditbuf[osdeditwinstart+x],osdeditshade,osdeditpal);
drawosdcursor(3+osdeditcursor-osdeditwinstart,osdrows,osdovertype,keytime);
enddrawing();
}
//
// showframe() -- update the display
//
void showframe(int32_t w)
{
UNREFERENCED_PARAMETER(w);
#ifdef USE_OPENGL
if (bpp > 8)
{
if (palfadedelta)
fullscreen_tint_gl(palfadergb.r, palfadergb.g, palfadergb.b, palfadedelta);
SDL_GL_SwapBuffers();
return;
}
#endif
if (offscreenrendering) return;
if (lockcount)
{
printf("Frame still locked %d times when showframe() called.\n", lockcount);
while (lockcount) enddrawing();
}
// deferred palette updating
if (needpalupdate)
{
SDL_SetColors(sdl_buffersurface, sdlayer_pal, 0, 256);
needpalupdate = 0;
}
#if !defined SDL_DISABLE_8BIT_BUFFER
SDL_BlitSurface(sdl_buffersurface, NULL, sdl_surface, NULL);
#endif
SDL_Flip(sdl_surface);
}
