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Better lock and zero VOSF data, especially for DGA mode. Also make sure

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that we really update the whole screen when sub-8bpp modes are used
This commit is contained in:
gbeauche 2005-04-02 09:54:16 +00:00
parent 85246b8408
commit 8e512ca7fe
1 changed files with 14 additions and 4 deletions
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16
SheepShaver/src/Unix/video_x.cpp
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@ -741,6 +741,7 @@ static bool open_fbdev(int width, int height)
Screen_blitter_init(visualFormat, native_byte_order, depth);
// Allocate memory for frame buffer (SIZE is extended to page-boundary)
use_vosf = true;
the_host_buffer = the_buffer;
the_host_buffer_row_bytes = TrivialBytesPerRow((width + 7) & ~7, DepthModeForPixelDepth(visualFormat.depth));
the_buffer_size = page_extend((height + 2) * the_host_buffer_row_bytes);
@ -961,13 +962,19 @@ static bool open_display(void)
#ifdef ENABLE_VOSF
if (use_vosf) {
// Initialize the VOSF system
LOCK_VOSF;
if (!video_vosf_init()) {
ErrorAlert(GetString(STR_VOSF_INIT_ERR));
UNLOCK_VOSF;
return false;
}
UNLOCK_VOSF;
}
#endif
// Zero screen buffers, viRowBytes is initialized at this stage
memset(the_buffer, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
return display_open;
}
@ -1691,8 +1698,8 @@ static void resume_emul(void)
if (use_vosf) {
LOCK_VOSF;
PFLAG_SET_ALL;
UNLOCK_VOSF;
memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
UNLOCK_VOSF;
}
#endif
@ -2006,10 +2013,12 @@ static void handle_events(void)
if (use_vosf) { // VOSF refresh
LOCK_VOSF;
PFLAG_SET_ALL;
memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
UNLOCK_VOSF;
}
else
#endif
memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
break;
}
}
@ -2126,8 +2135,9 @@ void video_set_palette(void)
// We have to redraw everything because the interpretation of pixel values changed
LOCK_VOSF;
PFLAG_SET_ALL;
if (display_type == DIS_SCREEN)
PFLAG_SET_VERY_DIRTY;
UNLOCK_VOSF;
memset(the_buffer_copy, 0, VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize);
}
#endif