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vga: simplify screendump 

The displaychangelistener isn't needed at all, we can simply save the
image when vga_hw_update is done instead of hooking into the update
process.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2012-02-24 12:43:43 +01:00 committed by Anthony Liguori
parent 53370b78ec
commit 9a51f5b067
1 changed files with 1 additions and 35 deletions
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36
hw/vga.c
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@ -163,8 +163,6 @@ static uint16_t expand2[256];
static uint8_t expand4to8[16];
static void vga_screen_dump(void *opaque, const char *filename);
static const char *screen_dump_filename;
static DisplayChangeListener *screen_dump_dcl;
static void vga_update_memory_access(VGACommonState *s)
{
@ -2364,22 +2362,6 @@ void vga_init_vbe(VGACommonState *s, MemoryRegion *system_memory)
/********************************************************/
/* vga screen dump */
static void vga_save_dpy_update(DisplayState *ds,
int x, int y, int w, int h)
{
if (screen_dump_filename) {
ppm_save(screen_dump_filename, ds->surface);
}
}
static void vga_save_dpy_resize(DisplayState *s)
{
}
static void vga_save_dpy_refresh(DisplayState *s)
{
}
int ppm_save(const char *filename, struct DisplaySurface *ds)
{
FILE *f;
@ -2423,29 +2405,13 @@ int ppm_save(const char *filename, struct DisplaySurface *ds)
return 0;
}
static DisplayChangeListener* vga_screen_dump_init(DisplayState *ds)
{
DisplayChangeListener *dcl;
dcl = g_malloc0(sizeof(DisplayChangeListener));
dcl->dpy_update = vga_save_dpy_update;
dcl->dpy_resize = vga_save_dpy_resize;
dcl->dpy_refresh = vga_save_dpy_refresh;
register_displaychangelistener(ds, dcl);
return dcl;
}
/* save the vga display in a PPM image even if no display is
available */
static void vga_screen_dump(void *opaque, const char *filename)
{
VGACommonState *s = opaque;
if (!screen_dump_dcl)
screen_dump_dcl = vga_screen_dump_init(s->ds);
screen_dump_filename = filename;
vga_invalidate_display(s);
vga_hw_update();
screen_dump_filename = NULL;
ppm_save(filename, s->ds->surface);
}