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optimize screendump for the common non-switch case

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
console.c
View File

@ -176,19 +176,23 @@ void vga_hw_invalidate(void)
void vga_hw_screen_dump(const char *filename)
{
TextConsole *previous_active_console;
bool cswitch;
previous_active_console = active_console;
cswitch = previous_active_console && previous_active_console->index != 0;
/* There is currently no way of specifying which screen we want to dump,
so always dump the first one. */
console_select(0);
if (cswitch) {
console_select(0);
}
if (consoles[0] && consoles[0]->hw_screen_dump) {
consoles[0]->hw_screen_dump(consoles[0]->hw, filename);
consoles[0]->hw_screen_dump(consoles[0]->hw, filename, cswitch);
} else {
error_report("screen dump not implemented");
}
if (previous_active_console) {
if (cswitch) {
console_select(previous_active_console->index);
}
}

2
console.h
View File

@ -340,7 +340,7 @@ static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
typedef void (*vga_hw_update_ptr)(void *);
typedef void (*vga_hw_invalidate_ptr)(void *);
typedef void (*vga_hw_screen_dump_ptr)(void *, const char *);
typedef void (*vga_hw_screen_dump_ptr)(void *, const char *, bool cswitch);
typedef void (*vga_hw_text_update_ptr)(void *, console_ch_t *);
DisplayState *graphic_console_init(vga_hw_update_ptr update,

8
hw/blizzard.c
View File

@ -932,10 +932,14 @@ static void blizzard_update_display(void *opaque)
s->my[1] = 0;
}
static void blizzard_screen_dump(void *opaque, const char *filename) {
static void blizzard_screen_dump(void *opaque, const char *filename,
bool cswitch)
{
BlizzardState *s = (BlizzardState *) opaque;
blizzard_update_display(opaque);
if (cswitch) {
blizzard_update_display(opaque);
}
if (s && ds_get_data(s->state))
ppm_save(filename, s->state->surface);
}

2
hw/g364fb.c
View File

@ -289,7 +289,7 @@ static void g364fb_reset(G364State *s)
g364fb_invalidate_display(s);
}
static void g364fb_screen_dump(void *opaque, const char *filename)
static void g364fb_screen_dump(void *opaque, const char *filename, bool cswitch)
{
G364State *s = opaque;
int y, x;

7
hw/omap_lcdc.c
View File

@ -264,9 +264,12 @@ static int ppm_save(const char *filename, uint8_t *data,
return 0;
}
static void omap_screen_dump(void *opaque, const char *filename) {
static void omap_screen_dump(void *opaque, const char *filename, bool cswitch)
{
struct omap_lcd_panel_s *omap_lcd = opaque;
omap_update_display(opaque);
if (cswitch) {
omap_update_display(opaque);
}
if (omap_lcd && ds_get_data(omap_lcd->state))
ppm_save(filename, ds_get_data(omap_lcd->state),
omap_lcd->width, omap_lcd->height,

4
hw/qxl.c
View File

@ -1436,7 +1436,7 @@ static void qxl_hw_invalidate(void *opaque)
vga->invalidate(vga);
}
static void qxl_hw_screen_dump(void *opaque, const char *filename)
static void qxl_hw_screen_dump(void *opaque, const char *filename, bool cswitch)
{
PCIQXLDevice *qxl = opaque;
VGACommonState *vga = &qxl->vga;
@ -1448,7 +1448,7 @@ static void qxl_hw_screen_dump(void *opaque, const char *filename)
ppm_save(filename, qxl->ssd.ds->surface);
break;
case QXL_MODE_VGA:
vga->screen_dump(vga, filename);
vga->screen_dump(vga, filename, cswitch);
break;
default:
break;

8
hw/tcx.c
View File

@ -56,8 +56,8 @@ typedef struct TCXState {
uint8_t dac_index, dac_state;
} TCXState;
static void tcx_screen_dump(void *opaque, const char *filename);
static void tcx24_screen_dump(void *opaque, const char *filename);
static void tcx_screen_dump(void *opaque, const char *filename, bool cswitch);
static void tcx24_screen_dump(void *opaque, const char *filename, bool cswitch);
static void tcx_set_dirty(TCXState *s)
{
@ -574,7 +574,7 @@ static int tcx_init1(SysBusDevice *dev)
return 0;
}
static void tcx_screen_dump(void *opaque, const char *filename)
static void tcx_screen_dump(void *opaque, const char *filename, bool cswitch)
{
TCXState *s = opaque;
FILE *f;
@ -601,7 +601,7 @@ static void tcx_screen_dump(void *opaque, const char *filename)
return;
}
static void tcx24_screen_dump(void *opaque, const char *filename)
static void tcx24_screen_dump(void *opaque, const char *filename, bool cswitch)
{
TCXState *s = opaque;
FILE *f;

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);
}

4
hw/vmware_vga.c
View File

@ -1003,11 +1003,11 @@ static void vmsvga_invalidate_display(void *opaque)
/* save the vga display in a PPM image even if no display is
available */
static void vmsvga_screen_dump(void *opaque, const char *filename)
static void vmsvga_screen_dump(void *opaque, const char *filename, bool cswitch)
{
struct vmsvga_state_s *s = opaque;
if (!s->enable) {
s->vga.screen_dump(&s->vga, filename);
s->vga.screen_dump(&s->vga, filename, cswitch);
return;
}