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From 984836153d323fde6d2714542596913c19a98c42 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Tue, 16 Apr 2013 17:06:56 +0200
Subject: [PATCH] console: remove DisplayAllocator
Causes [temporary] preformance regression with 24bpp vga modes @ sdl.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Conflicts:
console.h
ui/sdl.c
---
console.c | 52 ++++++++++----------------
console.h | 34 +++--------------
qemu-common.h | 1 -
ui/sdl.c | 117 +++-------------------------------------------------------
4 files changed, 31 insertions(+), 173 deletions(-)
diff --git a/console.c b/console.c
index 314f5a5..13e4c0f 100644
--- a/console.c
+++ b/console.c
@@ -1290,9 +1290,10 @@ static TextConsole *new_console(DisplayState *ds, console_type_t console_type)
return s;
}
-static DisplaySurface* defaultallocator_create_displaysurface(int width, int height)
+DisplaySurface *qemu_create_displaysurface(DisplayState *ds,
+ int width, int height)
{
- DisplaySurface *surface = (DisplaySurface*) g_malloc0(sizeof(DisplaySurface));
+ DisplaySurface *surface = g_new0(DisplaySurface, 1);
int linesize = width * 4;
qemu_alloc_display(surface, width, height, linesize,
@@ -1300,13 +1301,15 @@ static DisplaySurface* defaultallocator_create_displaysurface(int width, int hei
return surface;
}
-static DisplaySurface* defaultallocator_resize_displaysurface(DisplaySurface *surface,
- int width, int height)
+DisplaySurface *qemu_resize_displaysurface(DisplayState *ds,
+ int width, int height)
{
int linesize = width * 4;
- qemu_alloc_display(surface, width, height, linesize,
+
+ trace_displaysurface_resize(ds, ds->surface, width, height);
+ qemu_alloc_display(ds->surface, width, height, linesize,
qemu_default_pixelformat(32), 0);
- return surface;
+ return ds->surface;
}
void qemu_alloc_display(DisplaySurface *surface, int width, int height,
@@ -1319,7 +1322,7 @@ void qemu_alloc_display(DisplaySurface *surface, int width, int height,
surface->pf = pf;
if (surface->flags & QEMU_ALLOCATED_FLAG) {
data = g_realloc(surface->data,
- surface->linesize * surface->height);
+ surface->linesize * surface->height);
} else {
data = g_malloc(surface->linesize * surface->height);
}
@@ -1330,7 +1333,7 @@ void qemu_alloc_display(DisplaySurface *surface, int width, int height,
#endif
}
-DisplaySurface* qemu_create_displaysurface_from(int width, int height, int bpp,
+DisplaySurface *qemu_create_displaysurface_from(int width, int height, int bpp,
int linesize, uint8_t *data)
{
DisplaySurface *surface = (DisplaySurface*) g_malloc0(sizeof(DisplaySurface));
@@ -1347,28 +1350,24 @@ DisplaySurface* qemu_create_displaysurface_from(int width, int height, int bpp,
return surface;
}
-static void defaultallocator_free_displaysurface(DisplaySurface *surface)
+void qemu_free_displaysurface(DisplayState *ds)
{
- if (surface == NULL)
+ trace_displaysurface_free(ds, ds->surface);
+ if (ds->surface == NULL) {
return;
- if (surface->flags & QEMU_ALLOCATED_FLAG)
- g_free(surface->data);
- g_free(surface);
+ }
+ if (ds->surface->flags & QEMU_ALLOCATED_FLAG) {
+ g_free(ds->surface->data);
+ }
+ g_free(ds->surface);
}
-static struct DisplayAllocator default_allocator = {
- defaultallocator_create_displaysurface,
- defaultallocator_resize_displaysurface,
- defaultallocator_free_displaysurface
-};
-
static void dumb_display_init(void)
{
DisplayState *ds = g_malloc0(sizeof(DisplayState));
int width = 640;
int height = 480;
- ds->allocator = &default_allocator;
if (is_fixedsize_console()) {
width = active_console->g_width;
height = active_console->g_height;
@@ -1398,18 +1397,6 @@ DisplayState *get_displaystate(void)
return display_state;
}
-DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da)
-{
- if(ds->allocator == &default_allocator) {
- DisplaySurface *surf;
- surf = da->create_displaysurface(ds_get_width(ds), ds_get_height(ds));
- defaultallocator_free_displaysurface(ds->surface);
- ds->surface = surf;
- ds->allocator = da;
- }
- return ds->allocator;
-}
-
DisplayState *graphic_console_init(vga_hw_update_ptr update,
vga_hw_invalidate_ptr invalidate,
vga_hw_screen_dump_ptr screen_dump,
@@ -1420,7 +1407,6 @@ DisplayState *graphic_console_init(vga_hw_update_ptr update,
DisplayState *ds;
ds = (DisplayState *) g_malloc0(sizeof(DisplayState));
- ds->allocator = &default_allocator;
ds->surface = qemu_create_displaysurface(ds, 640, 480);
s = new_console(ds, GRAPHIC_CONSOLE);
diff --git a/console.h b/console.h
index 4334db5..755a537 100644
--- a/console.h
+++ b/console.h
@@ -105,7 +105,6 @@ void kbd_put_keysym(int keysym);
#define QEMU_BIG_ENDIAN_FLAG 0x01
#define QEMU_ALLOCATED_FLAG 0x02
-#define QEMU_REALPIXELS_FLAG 0x04
struct PixelFormat {
uint8_t bits_per_pixel;
@@ -165,18 +164,11 @@ struct DisplayChangeListener {
struct DisplayChangeListener *next;
};
-struct DisplayAllocator {
- DisplaySurface* (*create_displaysurface)(int width, int height);
- DisplaySurface* (*resize_displaysurface)(DisplaySurface *surface, int width, int height);
- void (*free_displaysurface)(DisplaySurface *surface);
-};
-
struct DisplayState {
struct DisplaySurface *surface;
void *opaque;
struct QEMUTimer *gui_timer;
- struct DisplayAllocator* allocator;
struct DisplayChangeListener* listeners;
void (*mouse_set)(int x, int y, int on);
@@ -194,24 +186,11 @@ void qemu_alloc_display(DisplaySurface *surface, int width, int height,
PixelFormat qemu_different_endianness_pixelformat(int bpp);
PixelFormat qemu_default_pixelformat(int bpp);
-DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da);
-
-static inline DisplaySurface* qemu_create_displaysurface(DisplayState *ds, int width, int height)
-{
- return ds->allocator->create_displaysurface(width, height);
-}
-
-static inline DisplaySurface* qemu_resize_displaysurface(DisplayState *ds, int width, int height)
-{
- trace_displaysurface_resize(ds, ds->surface, width, height);
- return ds->allocator->resize_displaysurface(ds->surface, width, height);
-}
-
-static inline void qemu_free_displaysurface(DisplayState *ds)
-{
- trace_displaysurface_free(ds, ds->surface);
- ds->allocator->free_displaysurface(ds->surface);
-}
+DisplaySurface *qemu_create_displaysurface(DisplayState *ds,
+ int width, int height);
+DisplaySurface *qemu_resize_displaysurface(DisplayState *ds,
+ int width, int height);
+void qemu_free_displaysurface(DisplayState *ds);
static inline int is_surface_bgr(DisplaySurface *surface)
{
@@ -223,8 +202,7 @@ static inline int is_surface_bgr(DisplaySurface *surface)
static inline int is_buffer_shared(DisplaySurface *surface)
{
- return (!(surface->flags & QEMU_ALLOCATED_FLAG) &&
- !(surface->flags & QEMU_REALPIXELS_FLAG));
+ return !(surface->flags & QEMU_ALLOCATED_FLAG);
}
static inline void register_displaychangelistener(DisplayState *ds, DisplayChangeListener *dcl)
diff --git a/qemu-common.h b/qemu-common.h
index 15d9e4e..7d6e1a9 100644
--- a/qemu-common.h
+++ b/qemu-common.h
@@ -254,7 +254,6 @@ typedef struct DriveInfo DriveInfo;
typedef struct DisplayState DisplayState;
typedef struct DisplayChangeListener DisplayChangeListener;
typedef struct DisplaySurface DisplaySurface;
-typedef struct DisplayAllocator DisplayAllocator;
typedef struct PixelFormat PixelFormat;
typedef struct TextConsole TextConsole;
typedef TextConsole QEMUConsole;
diff --git a/ui/sdl.c b/ui/sdl.c
index f6f711c..9e4a86e 100644
--- a/ui/sdl.c
+++ b/ui/sdl.c
@@ -55,7 +55,6 @@ static int absolute_enabled = 0;
static int guest_cursor = 0;
static int guest_x, guest_y;
static SDL_Cursor *guest_sprite = NULL;
-static uint8_t allocator;
static SDL_PixelFormat host_format;
static int scaling_active = 0;
static Notifier mouse_mode_notifier;
@@ -117,108 +116,13 @@ static void do_sdl_resize(int width, int height, int bpp)
static void sdl_resize(DisplayState *ds)
{
- if (!allocator) {
- if (!scaling_active)
- do_sdl_resize(ds_get_width(ds), ds_get_height(ds), 0);
- else if (real_screen->format->BitsPerPixel != ds_get_bits_per_pixel(ds))
- do_sdl_resize(real_screen->w, real_screen->h, ds_get_bits_per_pixel(ds));
- sdl_setdata(ds);
- } else {
- if (guest_screen != NULL) {
- SDL_FreeSurface(guest_screen);
- guest_screen = NULL;
- }
- }
-}
-
-static PixelFormat sdl_to_qemu_pixelformat(SDL_PixelFormat *sdl_pf)
-{
- PixelFormat qemu_pf;
-
- memset(&qemu_pf, 0x00, sizeof(PixelFormat));
-
- qemu_pf.bits_per_pixel = sdl_pf->BitsPerPixel;
- qemu_pf.bytes_per_pixel = sdl_pf->BytesPerPixel;
- qemu_pf.depth = (qemu_pf.bits_per_pixel) == 32 ? 24 : (qemu_pf.bits_per_pixel);
-
- qemu_pf.rmask = sdl_pf->Rmask;
- qemu_pf.gmask = sdl_pf->Gmask;
- qemu_pf.bmask = sdl_pf->Bmask;
- qemu_pf.amask = sdl_pf->Amask;
-
- qemu_pf.rshift = sdl_pf->Rshift;
- qemu_pf.gshift = sdl_pf->Gshift;
- qemu_pf.bshift = sdl_pf->Bshift;
- qemu_pf.ashift = sdl_pf->Ashift;
-
- qemu_pf.rbits = 8 - sdl_pf->Rloss;
- qemu_pf.gbits = 8 - sdl_pf->Gloss;
- qemu_pf.bbits = 8 - sdl_pf->Bloss;
- qemu_pf.abits = 8 - sdl_pf->Aloss;
-
- qemu_pf.rmax = ((1 << qemu_pf.rbits) - 1);
- qemu_pf.gmax = ((1 << qemu_pf.gbits) - 1);
- qemu_pf.bmax = ((1 << qemu_pf.bbits) - 1);
- qemu_pf.amax = ((1 << qemu_pf.abits) - 1);
-
- return qemu_pf;
-}
-
-static DisplaySurface* sdl_create_displaysurface(int width, int height)
-{
- DisplaySurface *surface = (DisplaySurface*) g_malloc0(sizeof(DisplaySurface));
-
- surface->width = width;
- surface->height = height;
-
- if (scaling_active) {
- int linesize;
- PixelFormat pf;
- if (host_format.BytesPerPixel != 2 && host_format.BytesPerPixel != 4) {
- linesize = width * 4;
- pf = qemu_default_pixelformat(32);
- } else {
- linesize = width * host_format.BytesPerPixel;
- pf = sdl_to_qemu_pixelformat(&host_format);
- }
- qemu_alloc_display(surface, width, height, linesize, pf, 0);
- return surface;
+ if (!scaling_active) {
+ do_sdl_resize(ds_get_width(ds), ds_get_height(ds), 0);
+ } else if (real_screen->format->BitsPerPixel != ds_get_bits_per_pixel(ds)) {
+ do_sdl_resize(real_screen->w, real_screen->h,
+ ds_get_bits_per_pixel(ds));
}
-
- if (host_format.BitsPerPixel == 16)
- do_sdl_resize(width, height, 16);
- else
- do_sdl_resize(width, height, 32);
-
- surface->pf = sdl_to_qemu_pixelformat(real_screen->format);
- surface->linesize = real_screen->pitch;
- surface->data = real_screen->pixels;
-
-#ifdef HOST_WORDS_BIGENDIAN
- surface->flags = QEMU_REALPIXELS_FLAG | QEMU_BIG_ENDIAN_FLAG;
-#else
- surface->flags = QEMU_REALPIXELS_FLAG;
-#endif
- allocator = 1;
-
- return surface;
-}
-
-static void sdl_free_displaysurface(DisplaySurface *surface)
-{
- allocator = 0;
- if (surface == NULL)
- return;
-
- if (surface->flags & QEMU_ALLOCATED_FLAG)
- g_free(surface->data);
- g_free(surface);
-}
-
-static DisplaySurface* sdl_resize_displaysurface(DisplaySurface *surface, int width, int height)
-{
- sdl_free_displaysurface(surface);
- return sdl_create_displaysurface(width, height);
+ sdl_setdata(ds);
}
/* generic keyboard conversion */
@@ -955,7 +859,6 @@ void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
{
int flags;
uint8_t data = 0;
- DisplayAllocator *da;
const SDL_VideoInfo *vi;
char *filename;
@@ -1029,14 +932,6 @@ void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
ds->cursor_define = sdl_mouse_define;
register_displaychangelistener(ds, dcl);
- da = g_malloc0(sizeof(DisplayAllocator));
- da->create_displaysurface = sdl_create_displaysurface;
- da->resize_displaysurface = sdl_resize_displaysurface;
- da->free_displaysurface = sdl_free_displaysurface;
- if (register_displayallocator(ds, da) == da) {
- dpy_resize(ds);
- }
-
mouse_mode_notifier.notify = sdl_mouse_mode_change;
qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier);
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