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sdl2: add+use sdl2_2d_redraw function. 

Add a new sdl2_2d_redraw function for a complete screen refresh,
so we can stop using graphic_hw_invalidate for that.  There is
no need to bother console / gfx emulation code if we are just
going to re-blit the screen after window resizes.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Gerd Hoffmann 2014-11-11 13:31:08 +01:00
parent 2c3056f182
commit 0d01b7ce61
3 changed files with 18 additions and 11 deletions
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1
include/ui/sdl2.h
View File

@ -25,5 +25,6 @@ void sdl2_2d_update(DisplayChangeListener *dcl,
int x, int y, int w, int h);
void sdl2_2d_switch(DisplayChangeListener *dcl,
DisplaySurface *new_surface);
void sdl2_2d_redraw(struct sdl2_console *scon);
#endif /* SDL2_H */

11
ui/sdl2-2d.c
View File

@ -100,4 +100,15 @@ void sdl2_2d_switch(DisplayChangeListener *dcl,
SDL_TEXTUREACCESS_STREAMING,
surface_width(new_surface),
surface_height(new_surface));
sdl2_2d_redraw(scon);
}
void sdl2_2d_redraw(struct sdl2_console *scon)
{
if (!scon->surface) {
return;
}
sdl2_2d_update(&scon->dcl, 0, 0,
surface_width(scon->surface),
surface_height(scon->surface));
}

17
ui/sdl2.c
View File

@ -316,8 +316,7 @@ static void toggle_full_screen(struct sdl2_console *scon)
}
SDL_SetWindowFullscreen(scon->real_window, 0);
}
graphic_hw_invalidate(scon->dcl.con);
graphic_hw_update(scon->dcl.con);
sdl2_2d_redraw(scon);
}
static void handle_keydown(SDL_Event *ev)
@ -365,8 +364,8 @@ static void handle_keydown(SDL_Event *ev)
case SDL_SCANCODE_U:
sdl2_window_destroy(scon);
sdl2_window_create(scon);
graphic_hw_invalidate(scon->dcl.con);
graphic_hw_update(scon->dcl.con);
/* re-create texture */
sdl2_2d_switch(&scon->dcl, scon->surface);
gui_keysym = 1;
break;
#if 0
@ -385,8 +384,7 @@ static void handle_keydown(SDL_Event *ev)
fprintf(stderr, "%s: scale to %dx%d\n",
__func__, width, height);
sdl_scale(scon, width, height);
graphic_hw_invalidate(NULL);
graphic_hw_update(NULL);
sdl2_2d_redraw(scon);
gui_keysym = 1;
}
#endif
@ -511,7 +509,6 @@ static void handle_mousewheel(SDL_Event *ev)
static void handle_windowevent(DisplayChangeListener *dcl, SDL_Event *ev)
{
int w, h;
struct sdl2_console *scon = get_scon_from_window(ev->key.windowID);
switch (ev->window.event) {
@ -523,12 +520,10 @@ static void handle_windowevent(DisplayChangeListener *dcl, SDL_Event *ev)
info.height = ev->window.data2;
dpy_set_ui_info(scon->dcl.con, &info);
}
graphic_hw_invalidate(scon->dcl.con);
graphic_hw_update(scon->dcl.con);
sdl2_2d_redraw(scon);
break;
case SDL_WINDOWEVENT_EXPOSED:
SDL_GetWindowSize(SDL_GetWindowFromID(ev->window.windowID), &w, &h);
sdl2_2d_update(dcl, 0, 0, w, h);
sdl2_2d_redraw(scon);
break;
case SDL_WINDOWEVENT_FOCUS_GAINED:
case SDL_WINDOWEVENT_ENTER: