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optimize screendump for the common non-switch case

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switch console only if needed, also pass down whenever the console was
switched or not because a displaysurface redraw is only needed in case
the console was switched.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2012-02-24 12:43:45 +01:00 • committed by Anthony Liguori
parent 1673510204
commit 45efb16124
9 changed files with 34 additions and 21 deletions
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10
hw/vga.c
View file

@ -162,7 +162,7 @@ static uint32_t expand4[256];
static uint16_t expand2[256];
static uint8_t expand4to8[16];
static void vga_screen_dump(void *opaque, const char *filename);
static void vga_screen_dump(void *opaque, const char *filename, bool cswitch);
static void vga_update_memory_access(VGACommonState *s)
{
@ -2407,11 +2407,13 @@ int ppm_save(const char *filename, struct DisplaySurface *ds)
/* save the vga display in a PPM image even if no display is
available */
static void vga_screen_dump(void *opaque, const char *filename)
static void vga_screen_dump(void *opaque, const char *filename, bool cswitch)
{
VGACommonState *s = opaque;
vga_invalidate_display(s);
vga_hw_update();
if (cswitch) {
vga_invalidate_display(s);
vga_hw_update();
}
ppm_save(filename, s->ds->surface);
}