From db71589fd9428156a5b366e348d895d445f77449 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann
Date: Thu, 1 Mar 2018 11:05:35 +0100
Subject: console: add qemu display registry, add gtk

Add a registry for user interfaces.  Add qemu_display_init and
qemu_display_early_init helper functions for display initialization.

Hook up gtk ui as first user.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20180301100547.18962-2-kraxel@redhat.com
---
 include/ui/console.h | 32 ++++++++++++--------------------
 1 file changed, 12 insertions(+), 20 deletions(-)

(limited to 'include/ui')

diff --git a/include/ui/console.h b/include/ui/console.h
index f29bacd625..817f9b9bcc 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -432,6 +432,18 @@ void surface_gl_setup_viewport(QemuGLShader *gls,
                                int ww, int wh);
 #endif
 
+typedef struct QemuDisplay QemuDisplay;
+
+struct QemuDisplay {
+    DisplayType type;
+    void (*early_init)(DisplayOptions *opts);
+    void (*init)(DisplayState *ds, DisplayOptions *opts);
+};
+
+void qemu_display_register(QemuDisplay *ui);
+void qemu_display_early_init(DisplayOptions *opts);
+void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
+
 /* sdl.c */
 #ifdef CONFIG_SDL
 void sdl_display_early_init(DisplayOptions *opts);
@@ -487,26 +499,6 @@ static inline void curses_display_init(DisplayState *ds, DisplayOptions *opts)
 /* input.c */
 int index_from_key(const char *key, size_t key_length);
 
-/* gtk.c */
-#ifdef CONFIG_GTK
-void early_gtk_display_init(DisplayOptions *opts);
-void gtk_display_init(DisplayState *ds, DisplayOptions *opts);
-#else
-static inline void gtk_display_init(DisplayState *ds, DisplayOptions *opts)
-{
-    /* This must never be called if CONFIG_GTK is disabled */
-    error_report("GTK support is disabled");
-    abort();
-}
-
-static inline void early_gtk_display_init(DisplayOptions *opts)
-{
-    /* This must never be called if CONFIG_GTK is disabled */
-    error_report("GTK support is disabled");
-    abort();
-}
-#endif
-
 /* egl-headless.c */
 void egl_headless_init(DisplayOptions *opts);
 
-- 
cgit v1.2.3-55-g7522


From 5ee1718f92bd82e0e581191b6326384d291199d3 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann
Date: Thu, 1 Mar 2018 11:05:36 +0100
Subject: sdl: switch over to new display registry

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20180301100547.18962-3-kraxel@redhat.com
---
 include/ui/console.h | 19 -------------------
 ui/sdl.c             | 24 +++++++++++++-----------
 ui/sdl2.c            | 17 +++++++++++++++--
 vl.c                 | 15 +--------------
 4 files changed, 29 insertions(+), 46 deletions(-)

(limited to 'include/ui')

diff --git a/include/ui/console.h b/include/ui/console.h
index 817f9b9bcc..cb86e6a0dd 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -444,25 +444,6 @@ void qemu_display_register(QemuDisplay *ui);
 void qemu_display_early_init(DisplayOptions *opts);
 void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
 
-/* sdl.c */
-#ifdef CONFIG_SDL
-void sdl_display_early_init(DisplayOptions *opts);
-void sdl_display_init(DisplayState *ds, DisplayOptions *opts);
-#else
-static inline void sdl_display_early_init(DisplayOptions *opts)
-{
-    /* This must never be called if CONFIG_SDL is disabled */
-    error_report("SDL support is disabled");
-    abort();
-}
-static inline void sdl_display_init(DisplayState *ds, DisplayOptions *opts)
-{
-    /* This must never be called if CONFIG_SDL is disabled */
-    error_report("SDL support is disabled");
-    abort();
-}
-#endif
-
 /* cocoa.m */
 #ifdef CONFIG_COCOA
 void cocoa_display_init(DisplayState *ds, DisplayOptions *opts);
diff --git a/ui/sdl.c b/ui/sdl.c
index c4ae7ab05d..a5fd503c25 100644
--- a/ui/sdl.c
+++ b/ui/sdl.c
@@ -901,17 +901,7 @@ static const DisplayChangeListenerOps dcl_ops = {
     .dpy_cursor_define    = sdl_mouse_define,
 };
 
-void sdl_display_early_init(DisplayOptions *opts)
-{
-    if (opts->has_gl && opts->gl) {
-        fprintf(stderr,
-                "SDL1 display code has no opengl support.\n"
-                "Please recompile qemu with SDL2, using\n"
-                "./configure --enable-sdl --with-sdlabi=2.0\n");
-    }
-}
-
-void sdl_display_init(DisplayState *ds, DisplayOptions *o)
+static void sdl1_display_init(DisplayState *ds, DisplayOptions *o)
 {
     int flags;
     uint8_t data = 0;
@@ -1023,3 +1013,15 @@ void sdl_display_init(DisplayState *ds, DisplayOptions *o)
 
     atexit(sdl_cleanup);
 }
+
+static QemuDisplay qemu_display_sdl1 = {
+    .type       = DISPLAY_TYPE_SDL,
+    .init       = sdl1_display_init,
+};
+
+static void register_sdl1(void)
+{
+    qemu_display_register(&qemu_display_sdl1);
+}
+
+type_init(register_sdl1);
diff --git a/ui/sdl2.c b/ui/sdl2.c
index b5a0fa1d13..83b917fa37 100644
--- a/ui/sdl2.c
+++ b/ui/sdl2.c
@@ -751,7 +751,7 @@ static const DisplayChangeListenerOps dcl_gl_ops = {
 };
 #endif
 
-void sdl_display_early_init(DisplayOptions *o)
+static void sdl2_display_early_init(DisplayOptions *o)
 {
     assert(o->type == DISPLAY_TYPE_SDL);
     if (o->has_gl && o->gl) {
@@ -761,7 +761,7 @@ void sdl_display_early_init(DisplayOptions *o)
     }
 }
 
-void sdl_display_init(DisplayState *ds, DisplayOptions *o)
+static void sdl2_display_init(DisplayState *ds, DisplayOptions *o)
 {
     int flags;
     uint8_t data = 0;
@@ -861,3 +861,16 @@ void sdl_display_init(DisplayState *ds, DisplayOptions *o)
 
     atexit(sdl_cleanup);
 }
+
+static QemuDisplay qemu_display_sdl2 = {
+    .type       = DISPLAY_TYPE_SDL,
+    .early_init = sdl2_display_early_init,
+    .init       = sdl2_display_init,
+};
+
+static void register_sdl1(void)
+{
+    qemu_display_register(&qemu_display_sdl2);
+}
+
+type_init(register_sdl1);
diff --git a/vl.c b/vl.c
index a84b1372b8..5b2410d564 100644
--- a/vl.c
+++ b/vl.c
@@ -2092,7 +2092,6 @@ static void parse_display(const char *p)
     const char *opts;
 
     if (strstart(p, "sdl", &opts)) {
-#ifdef CONFIG_SDL
         dpy.type = DISPLAY_TYPE_SDL;
         while (*opts) {
             const char *nextopt;
@@ -2153,10 +2152,6 @@ static void parse_display(const char *p)
             }
             opts = nextopt;
         }
-#else
-        error_report("SDL support is disabled");
-        exit(1);
-#endif
     } else if (strstart(p, "vnc", &opts)) {
         if (*opts == '=') {
             vnc_parse(opts + 1, &error_fatal);
@@ -4340,12 +4335,7 @@ int main(int argc, char **argv, char **envp)
                      "ignoring option");
     }
 
-    if (dpy.type == DISPLAY_TYPE_SDL) {
-        sdl_display_early_init(&dpy);
-    } else {
-        qemu_display_early_init(&dpy);
-    }
-
+    qemu_display_early_init(&dpy);
     qemu_console_early_init();
 
     if (dpy.has_gl && dpy.gl && display_opengl == 0) {
@@ -4677,9 +4667,6 @@ int main(int argc, char **argv, char **envp)
     case DISPLAY_TYPE_CURSES:
         curses_display_init(ds, &dpy);
         break;
-    case DISPLAY_TYPE_SDL:
-        sdl_display_init(ds, &dpy);
-        break;
     case DISPLAY_TYPE_COCOA:
         cocoa_display_init(ds, &dpy);
         break;
-- 
cgit v1.2.3-55-g7522


From 5013b9e46a72c96999fab1523f722ab58152c59a Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann
Date: Thu, 1 Mar 2018 11:05:37 +0100
Subject: cocoa: switch over to new display registry

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20180301100547.18962-4-kraxel@redhat.com
---
 include/ui/console.h | 12 ------------
 ui/cocoa.m           | 14 +++++++++++++-
 vl.c                 |  3 ---
 3 files changed, 13 insertions(+), 16 deletions(-)

(limited to 'include/ui')

diff --git a/include/ui/console.h b/include/ui/console.h
index cb86e6a0dd..f8c462106a 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -444,18 +444,6 @@ void qemu_display_register(QemuDisplay *ui);
 void qemu_display_early_init(DisplayOptions *opts);
 void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
 
-/* cocoa.m */
-#ifdef CONFIG_COCOA
-void cocoa_display_init(DisplayState *ds, DisplayOptions *opts);
-#else
-static inline void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
-{
-    /* This must never be called if CONFIG_COCOA is disabled */
-    error_report("Cocoa support is disabled");
-    abort();
-}
-#endif
-
 /* vnc.c */
 void vnc_display_init(const char *id);
 void vnc_display_open(const char *id, Error **errp);
diff --git a/ui/cocoa.m b/ui/cocoa.m
index 90d9aa57ea..8b0dce90cb 100644
--- a/ui/cocoa.m
+++ b/ui/cocoa.m
@@ -1683,7 +1683,7 @@ static void addRemovableDevicesMenuItems(void)
     qapi_free_BlockInfoList(pointerToFree);
 }
 
-void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
+static void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
 {
     COCOA_DEBUG("qemu_cocoa: cocoa_display_init\n");
 
@@ -1713,3 +1713,15 @@ void cocoa_display_init(DisplayState *ds, DisplayOptions *opts)
      */
     addRemovableDevicesMenuItems();
 }
+
+static QemuDisplay qemu_display_cocoa = {
+    .type       = DISPLAY_TYPE_COCOA,
+    .init       = cocoa_display_init,
+};
+
+static void register_cocoa(void)
+{
+    qemu_display_register(&qemu_display_cocoa);
+}
+
+type_init(register_cocoa);
diff --git a/vl.c b/vl.c
index 5b2410d564..377140ebd9 100644
--- a/vl.c
+++ b/vl.c
@@ -4667,9 +4667,6 @@ int main(int argc, char **argv, char **envp)
     case DISPLAY_TYPE_CURSES:
         curses_display_init(ds, &dpy);
         break;
-    case DISPLAY_TYPE_COCOA:
-        cocoa_display_init(ds, &dpy);
-        break;
     default:
         qemu_display_init(ds, &dpy);
         break;
-- 
cgit v1.2.3-55-g7522


From b0766612d16da185a822636cf54214123e8038cf Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann
Date: Thu, 1 Mar 2018 11:05:38 +0100
Subject: curses: switch over to new display registry

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20180301100547.18962-5-kraxel@redhat.com
---
 include/ui/console.h | 12 ------------
 ui/curses.c          | 14 +++++++++++++-
 vl.c                 | 17 ++---------------
 3 files changed, 15 insertions(+), 28 deletions(-)

(limited to 'include/ui')

diff --git a/include/ui/console.h b/include/ui/console.h
index f8c462106a..3ea6cf0870 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -453,18 +453,6 @@ int vnc_display_pw_expire(const char *id, time_t expires);
 QemuOpts *vnc_parse(const char *str, Error **errp);
 int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
 
-/* curses.c */
-#ifdef CONFIG_CURSES
-void curses_display_init(DisplayState *ds, DisplayOptions *opts);
-#else
-static inline void curses_display_init(DisplayState *ds, DisplayOptions *opts)
-{
-    /* This must never be called if CONFIG_CURSES is disabled */
-    error_report("curses support is disabled");
-    abort();
-}
-#endif
-
 /* input.c */
 int index_from_key(const char *key, size_t key_length);
 
diff --git a/ui/curses.c b/ui/curses.c
index 597e47fd4a..59d819fd4d 100644
--- a/ui/curses.c
+++ b/ui/curses.c
@@ -435,7 +435,7 @@ static const DisplayChangeListenerOps dcl_ops = {
     .dpy_text_cursor = curses_cursor_position,
 };
 
-void curses_display_init(DisplayState *ds, DisplayOptions *opts)
+static void curses_display_init(DisplayState *ds, DisplayOptions *opts)
 {
 #ifndef _WIN32
     if (!isatty(1)) {
@@ -456,3 +456,15 @@ void curses_display_init(DisplayState *ds, DisplayOptions *opts)
 
     invalidate = 1;
 }
+
+static QemuDisplay qemu_display_curses = {
+    .type       = DISPLAY_TYPE_CURSES,
+    .init       = curses_display_init,
+};
+
+static void register_curses(void)
+{
+    qemu_display_register(&qemu_display_curses);
+}
+
+type_init(register_curses);
diff --git a/vl.c b/vl.c
index 377140ebd9..5b2fca8bd3 100644
--- a/vl.c
+++ b/vl.c
@@ -2168,12 +2168,7 @@ static void parse_display(const char *p)
         exit(1);
 #endif
     } else if (strstart(p, "curses", &opts)) {
-#ifdef CONFIG_CURSES
         dpy.type = DISPLAY_TYPE_CURSES;
-#else
-        error_report("curses support is disabled");
-        exit(1);
-#endif
     } else if (strstart(p, "gtk", &opts)) {
         dpy.type = DISPLAY_TYPE_GTK;
         while (*opts) {
@@ -4660,17 +4655,9 @@ int main(int argc, char **argv, char **envp)
         qemu_register_reset(restore_boot_order, g_strdup(boot_order));
     }
 
-    ds = init_displaystate();
-
     /* init local displays */
-    switch (dpy.type) {
-    case DISPLAY_TYPE_CURSES:
-        curses_display_init(ds, &dpy);
-        break;
-    default:
-        qemu_display_init(ds, &dpy);
-        break;
-    }
+    ds = init_displaystate();
+    qemu_display_init(ds, &dpy);
 
     /* must be after terminal init, SDL library changes signal handlers */
     os_setup_signal_handling();
-- 
cgit v1.2.3-55-g7522


From 16ab0a74e44300add9a7966e6f4f95ed4c0e833e Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann
Date: Thu, 1 Mar 2018 11:05:39 +0100
Subject: egl-headless: switch over to new display registry

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20180301100547.18962-6-kraxel@redhat.com
---
 include/ui/console.h |  3 ---
 ui/egl-headless.c    | 20 +++++++++++++++++++-
 vl.c                 | 12 ------------
 3 files changed, 19 insertions(+), 16 deletions(-)

(limited to 'include/ui')

diff --git a/include/ui/console.h b/include/ui/console.h
index 3ea6cf0870..94726cf190 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -456,7 +456,4 @@ int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
 /* input.c */
 int index_from_key(const char *key, size_t key_length);
 
-/* egl-headless.c */
-void egl_headless_init(DisplayOptions *opts);
-
 #endif
diff --git a/ui/egl-headless.c b/ui/egl-headless.c
index b33e0b21fd..7c877122d3 100644
--- a/ui/egl-headless.c
+++ b/ui/egl-headless.c
@@ -164,7 +164,12 @@ static const DisplayChangeListenerOps egl_ops = {
     .dpy_gl_update           = egl_scanout_flush,
 };
 
-void egl_headless_init(DisplayOptions *opts)
+static void early_egl_headless_init(DisplayOptions *opts)
+{
+    display_opengl = 1;
+}
+
+static void egl_headless_init(DisplayState *ds, DisplayOptions *opts)
 {
     QemuConsole *con;
     egl_dpy *edpy;
@@ -188,3 +193,16 @@ void egl_headless_init(DisplayOptions *opts)
         register_displaychangelistener(&edpy->dcl);
     }
 }
+
+static QemuDisplay qemu_display_egl = {
+    .type       = DISPLAY_TYPE_EGL_HEADLESS,
+    .early_init = early_egl_headless_init,
+    .init       = egl_headless_init,
+};
+
+static void register_egl(void)
+{
+    qemu_display_register(&qemu_display_egl);
+}
+
+type_init(register_egl);
diff --git a/vl.c b/vl.c
index 5b2fca8bd3..93fc841e7c 100644
--- a/vl.c
+++ b/vl.c
@@ -2160,13 +2160,7 @@ static void parse_display(const char *p)
             exit(1);
         }
     } else if (strstart(p, "egl-headless", &opts)) {
-#ifdef CONFIG_OPENGL_DMABUF
-        display_opengl = 1;
         dpy.type = DISPLAY_TYPE_EGL_HEADLESS;
-#else
-        error_report("egl support is disabled");
-        exit(1);
-#endif
     } else if (strstart(p, "curses", &opts)) {
         dpy.type = DISPLAY_TYPE_CURSES;
     } else if (strstart(p, "gtk", &opts)) {
@@ -4672,12 +4666,6 @@ int main(int argc, char **argv, char **envp)
         qemu_spice_display_init();
     }
 
-#ifdef CONFIG_OPENGL_DMABUF
-    if (dpy.type == DISPLAY_TYPE_EGL_HEADLESS) {
-        egl_headless_init(&dpy);
-    }
-#endif
-
     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
         exit(1);
     }
-- 
cgit v1.2.3-55-g7522


From 898f9d41d02d577ac863069772f0708268d2f926 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann
Date: Thu, 1 Mar 2018 11:05:40 +0100
Subject: console: add and use qemu_display_find_default

Using the new display registry instead of #ifdefs in vl.c.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20180301100547.18962-7-kraxel@redhat.com
---
 include/ui/console.h |  1 +
 ui/console.c         | 19 +++++++++++++++++++
 vl.c                 | 15 +++++----------
 3 files changed, 25 insertions(+), 10 deletions(-)

(limited to 'include/ui')

diff --git a/include/ui/console.h b/include/ui/console.h
index 94726cf190..3a53db9360 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -441,6 +441,7 @@ struct QemuDisplay {
 };
 
 void qemu_display_register(QemuDisplay *ui);
+bool qemu_display_find_default(DisplayOptions *opts);
 void qemu_display_early_init(DisplayOptions *opts);
 void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
 
diff --git a/ui/console.c b/ui/console.c
index a11b120fc8..25d342cdcb 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -2188,6 +2188,25 @@ void qemu_display_register(QemuDisplay *ui)
     dpys[ui->type] = ui;
 }
 
+bool qemu_display_find_default(DisplayOptions *opts)
+{
+    static DisplayType prio[] = {
+        DISPLAY_TYPE_GTK,
+        DISPLAY_TYPE_SDL,
+        DISPLAY_TYPE_COCOA
+    };
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(prio); i++) {
+        if (dpys[prio[i]] == NULL) {
+            continue;
+        }
+        opts->type = prio[i];
+        return true;
+    }
+    return false;
+}
+
 void qemu_display_early_init(DisplayOptions *opts)
 {
     assert(opts->type < DISPLAY_TYPE__MAX);
diff --git a/vl.c b/vl.c
index 93fc841e7c..e5f6de1843 100644
--- a/vl.c
+++ b/vl.c
@@ -4298,17 +4298,12 @@ int main(int argc, char **argv, char **envp)
     }
 #endif
     if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
-#if defined(CONFIG_GTK)
-        dpy.type = DISPLAY_TYPE_GTK;
-#elif defined(CONFIG_SDL)
-        dpy.type = DISPLAY_TYPE_SDL;
-#elif defined(CONFIG_COCOA)
-        dpy.type = DISPLAY_TYPE_COCOA;
-#elif defined(CONFIG_VNC)
-        vnc_parse("localhost:0,to=99,id=default", &error_abort);
-#else
-        dpy.type = DISPLAY_TYPE_NONE;
+        if (!qemu_display_find_default(&dpy)) {
+            dpy.type = DISPLAY_TYPE_NONE;
+#if defined(CONFIG_VNC)
+            vnc_parse("localhost:0,to=99,id=default", &error_abort);
 #endif
+        }
     }
     if (dpy.type == DISPLAY_TYPE_DEFAULT) {
         dpy.type = DISPLAY_TYPE_NONE;
-- 
cgit v1.2.3-55-g7522