Hi Gerd,
On Mon, 11 Jan 2016 14:10:16 +0100
Gerd Hoffmann <kra...@redhat.com> wrote:
> Hi,
>
> For SDL2 this ...
>
> > > +static int idle_counter;
>
> ... should be store in ...
>
> > > void sdl2_poll_events(struct sdl2_console *scon)
>
> ... sdl2_console, otherwise it will not work as intended in case
> multiple windows are present.
>
> Otherwise looks fine to me.
Updated patch attached.
Regards,
--
Jindrich Makovicka
From 7f01ec81210ea16af33ebacf6a348618570131e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jind=C5=99ich=20Makovi=C4=8Dka?= <makov...@gmail.com>
Date: Tue, 12 Jan 2016 20:18:24 +0100
Subject: [PATCH] sdl: shorten the GUI refresh interval when mouse or keyboard
is active
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: JindÅich MakoviÄka <makov...@gmail.com>
---
include/ui/sdl2.h | 1 +
ui/sdl.c | 22 ++++++++++++++++++++++
ui/sdl2.c | 23 +++++++++++++++++++++++
3 files changed, 46 insertions(+)
diff --git a/include/ui/sdl2.h b/include/ui/sdl2.h
index b7ac38f..3f0b57b 100644
--- a/include/ui/sdl2.h
+++ b/include/ui/sdl2.h
@@ -19,6 +19,7 @@ struct sdl2_console {
int hidden;
int opengl;
int updates;
+ int idle_counter;
SDL_GLContext winctx;
#ifdef CONFIG_OPENGL
ConsoleGLState *gls;
diff --git a/ui/sdl.c b/ui/sdl.c
index c837436..f215fe1 100644
--- a/ui/sdl.c
+++ b/ui/sdl.c
@@ -60,6 +60,11 @@ static SDL_Cursor *guest_sprite = NULL;
static SDL_PixelFormat host_format;
static int scaling_active = 0;
static Notifier mouse_mode_notifier;
+static int idle_counter;
+
+#define SDL_REFRESH_INTERVAL_BUSY 10
+#define SDL_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \
+ / SDL_REFRESH_INTERVAL_BUSY + 1)
#if 0
#define DEBUG_SDL
@@ -802,6 +807,7 @@ static void handle_activation(SDL_Event *ev)
static void sdl_refresh(DisplayChangeListener *dcl)
{
SDL_Event ev1, *ev = &ev1;
+ int idle = 1;
if (last_vm_running != runstate_is_running()) {
last_vm_running = runstate_is_running();
@@ -817,9 +823,11 @@ static void sdl_refresh(DisplayChangeListener *dcl)
sdl_update(dcl, 0, 0, real_screen->w, real_screen->h);
break;
case SDL_KEYDOWN:
+ idle = 0;
handle_keydown(ev);
break;
case SDL_KEYUP:
+ idle = 0;
handle_keyup(ev);
break;
case SDL_QUIT:
@@ -829,10 +837,12 @@ static void sdl_refresh(DisplayChangeListener *dcl)
}
break;
case SDL_MOUSEMOTION:
+ idle = 0;
handle_mousemotion(ev);
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
+ idle = 0;
handle_mousebutton(ev);
break;
case SDL_ACTIVEEVENT:
@@ -847,6 +857,18 @@ static void sdl_refresh(DisplayChangeListener *dcl)
break;
}
}
+
+ if (idle) {
+ if (idle_counter < SDL_MAX_IDLE_COUNT) {
+ idle_counter++;
+ if (idle_counter >= SDL_MAX_IDLE_COUNT) {
+ dcl->update_interval = GUI_REFRESH_INTERVAL_DEFAULT;
+ }
+ }
+ } else {
+ idle_counter = 0;
+ dcl->update_interval = SDL_REFRESH_INTERVAL_BUSY;
+ }
}
static void sdl_mouse_warp(DisplayChangeListener *dcl,
diff --git a/ui/sdl2.c b/ui/sdl2.c
index 46270f4..c0a76d7 100644
--- a/ui/sdl2.c
+++ b/ui/sdl2.c
@@ -49,6 +49,10 @@ static int guest_x, guest_y;
static SDL_Cursor *guest_sprite;
static Notifier mouse_mode_notifier;
+#define SDL2_REFRESH_INTERVAL_BUSY 10
+#define SDL2_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \
+ / SDL2_REFRESH_INTERVAL_BUSY + 1)
+
static void sdl_update_caption(struct sdl2_console *scon);
static struct sdl2_console *get_scon_from_window(uint32_t window_id)
@@ -578,6 +582,7 @@ static void handle_windowevent(SDL_Event *ev)
void sdl2_poll_events(struct sdl2_console *scon)
{
SDL_Event ev1, *ev = &ev1;
+ int idle = 1;
if (scon->last_vm_running != runstate_is_running()) {
scon->last_vm_running = runstate_is_running();
@@ -587,12 +592,15 @@ void sdl2_poll_events(struct sdl2_console *scon)
while (SDL_PollEvent(ev)) {
switch (ev->type) {
case SDL_KEYDOWN:
+ idle = 0;
handle_keydown(ev);
break;
case SDL_KEYUP:
+ idle = 0;
handle_keyup(ev);
break;
case SDL_TEXTINPUT:
+ idle = 0;
handle_textinput(ev);
break;
case SDL_QUIT:
@@ -602,13 +610,16 @@ void sdl2_poll_events(struct sdl2_console *scon)
}
break;
case SDL_MOUSEMOTION:
+ idle = 0;
handle_mousemotion(ev);
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
+ idle = 0;
handle_mousebutton(ev);
break;
case SDL_MOUSEWHEEL:
+ idle = 0;
handle_mousewheel(ev);
break;
case SDL_WINDOWEVENT:
@@ -618,6 +629,18 @@ void sdl2_poll_events(struct sdl2_console *scon)
break;
}
}
+
+ if (idle) {
+ if (scon->idle_counter < SDL2_MAX_IDLE_COUNT) {
+ scon->idle_counter++;
+ if (scon->idle_counter >= SDL2_MAX_IDLE_COUNT) {
+ scon->dcl.update_interval = GUI_REFRESH_INTERVAL_DEFAULT;
+ }
+ }
+ } else {
+ scon->idle_counter = 0;
+ scon->dcl.update_interval = SDL2_REFRESH_INTERVAL_BUSY;
+ }
}
static void sdl_mouse_warp(DisplayChangeListener *dcl,
--
2.7.0.rc3
