diff options
| -rw-r--r-- | include/ui/console.h | 2 | ||||
| -rw-r--r-- | include/ui/gtk.h | 23 | ||||
| -rw-r--r-- | ui/Makefile.objs | 3 | ||||
| -rw-r--r-- | ui/gtk-egl.c | 141 | ||||
| -rw-r--r-- | ui/gtk.c | 90 | ||||
| -rw-r--r-- | vl.c | 11 |
6 files changed, 253 insertions, 17 deletions
diff --git a/include/ui/console.h b/include/ui/console.h index 383dec24ff..6f7550ef9c 100644 --- a/include/ui/console.h +++ b/include/ui/console.h @@ -393,7 +393,7 @@ void curses_display_init(DisplayState *ds, int full_screen); int index_from_key(const char *key); /* gtk.c */ -void early_gtk_display_init(void); +void early_gtk_display_init(int opengl); void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover); #endif diff --git a/include/ui/gtk.h b/include/ui/gtk.h index b750845ab5..ee6dffd306 100644 --- a/include/ui/gtk.h +++ b/include/ui/gtk.h @@ -22,6 +22,10 @@ #include <X11/XKBlib.h> #endif +#if defined(CONFIG_OPENGL) +#include "ui/egl-helpers.h" +#endif + /* Compatibility define to let us build on both Gtk2 and Gtk3 */ #if GTK_CHECK_VERSION(3, 0, 0) static inline void gdk_drawable_get_size(GdkWindow *w, gint *ww, gint *wh) @@ -41,6 +45,12 @@ typedef struct VirtualGfxConsole { cairo_surface_t *surface; double scale_x; double scale_y; +#if defined(CONFIG_OPENGL) + ConsoleGLState *gls; + EGLContext ectx; + EGLSurface esurface; + int glupdates; +#endif } VirtualGfxConsole; #if defined(CONFIG_VTE) @@ -73,4 +83,17 @@ typedef struct VirtualConsole { }; } VirtualConsole; +/* ui/gtk.c */ +void gd_update_windowsize(VirtualConsole *vc); + +/* ui/gtk-egl.c */ +void gd_egl_init(VirtualConsole *vc); +void gd_egl_draw(VirtualConsole *vc); +void gd_egl_update(DisplayChangeListener *dcl, + int x, int y, int w, int h); +void gd_egl_refresh(DisplayChangeListener *dcl); +void gd_egl_switch(DisplayChangeListener *dcl, + DisplaySurface *surface); +void gtk_egl_init(void); + #endif /* UI_GTK_H */ diff --git a/ui/Makefile.objs b/ui/Makefile.objs index 5c468703a1..023914c7c0 100644 --- a/ui/Makefile.objs +++ b/ui/Makefile.objs @@ -31,13 +31,16 @@ ifeq ($(CONFIG_OPENGL),y) common-obj-y += shader.o common-obj-y += console-gl.o common-obj-y += egl-helpers.o +common-obj-$(CONFIG_GTK) += gtk-egl.o endif gtk.o-cflags := $(GTK_CFLAGS) $(VTE_CFLAGS) +gtk-egl.o-cflags := $(GTK_CFLAGS) $(VTE_CFLAGS) $(OPENGL_CFLAGS) shader.o-cflags += $(OPENGL_CFLAGS) console-gl.o-cflags += $(OPENGL_CFLAGS) egl-helpers.o-cflags += $(OPENGL_CFLAGS) +gtk-egl.o-libs += $(OPENGL_LIBS) shader.o-libs += $(OPENGL_LIBS) console-gl.o-libs += $(OPENGL_LIBS) egl-helpers.o-libs += $(OPENGL_LIBS) diff --git a/ui/gtk-egl.c b/ui/gtk-egl.c new file mode 100644 index 0000000000..15b41f2bab --- /dev/null +++ b/ui/gtk-egl.c @@ -0,0 +1,141 @@ +/* + * GTK UI -- egl opengl code. + * + * Note that gtk 3.16+ (released 2015-03-23) has a GtkGLArea widget, + * which is GtkDrawingArea like widget with opengl rendering support. + * + * This code handles opengl support on older gtk versions, using egl + * to get a opengl context for the X11 window. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu-common.h" + +#include "trace.h" + +#include "ui/console.h" +#include "ui/gtk.h" +#include "ui/egl-helpers.h" + +#include "sysemu/sysemu.h" + +/** DisplayState Callbacks (opengl version) **/ + +void gd_egl_init(VirtualConsole *vc) +{ + GdkWindow *gdk_window = gtk_widget_get_window(vc->gfx.drawing_area); + if (!gdk_window) { + return; + } + +#if GTK_CHECK_VERSION(3, 0, 0) + Window x11_window = gdk_x11_window_get_xid(gdk_window); +#else + Window x11_window = gdk_x11_drawable_get_xid(gdk_window); +#endif + if (!x11_window) { + return; + } + + vc->gfx.ectx = qemu_egl_init_ctx(); + vc->gfx.esurface = qemu_egl_init_surface_x11(vc->gfx.ectx, x11_window); + + assert(vc->gfx.esurface); +} + +void gd_egl_draw(VirtualConsole *vc) +{ + GdkWindow *window; + int ww, wh; + + if (!vc->gfx.gls || !vc->gfx.ds) { + return; + } + + eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, + vc->gfx.esurface, vc->gfx.ectx); + + window = gtk_widget_get_window(vc->gfx.drawing_area); + gdk_drawable_get_size(window, &ww, &wh); + surface_gl_setup_viewport(vc->gfx.gls, vc->gfx.ds, ww, wh); + surface_gl_render_texture(vc->gfx.gls, vc->gfx.ds); + + eglSwapBuffers(qemu_egl_display, vc->gfx.esurface); +} + +void gd_egl_update(DisplayChangeListener *dcl, + int x, int y, int w, int h) +{ + VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); + + if (!vc->gfx.gls || !vc->gfx.ds) { + return; + } + + eglMakeCurrent(qemu_egl_display, vc->gfx.esurface, + vc->gfx.esurface, vc->gfx.ectx); + surface_gl_update_texture(vc->gfx.gls, vc->gfx.ds, x, y, w, h); + vc->gfx.glupdates++; +} + +void gd_egl_refresh(DisplayChangeListener *dcl) +{ + VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); + + if (!vc->gfx.esurface) { + gd_egl_init(vc); + if (!vc->gfx.esurface) { + return; + } + vc->gfx.gls = console_gl_init_context(); + if (vc->gfx.ds) { + surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds); + } + } + + graphic_hw_update(dcl->con); + + if (vc->gfx.glupdates) { + vc->gfx.glupdates = 0; + gd_egl_draw(vc); + } +} + +void gd_egl_switch(DisplayChangeListener *dcl, + DisplaySurface *surface) +{ + VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl); + bool resized = true; + + trace_gd_switch(vc->label, surface_width(surface), surface_height(surface)); + + if (vc->gfx.ds && + surface_width(vc->gfx.ds) == surface_width(surface) && + surface_height(vc->gfx.ds) == surface_height(surface)) { + resized = false; + } + + surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds); + vc->gfx.ds = surface; + if (vc->gfx.gls) { + surface_gl_create_texture(vc->gfx.gls, vc->gfx.ds); + } + + if (resized) { + gd_update_windowsize(vc); + } +} + +void gtk_egl_init(void) +{ + GdkDisplay *gdk_display = gdk_display_get_default(); + Display *x11_display = gdk_x11_display_get_xdisplay(gdk_display); + + if (qemu_egl_init_dpy(x11_display, false, false) < 0) { + return; + } + + display_opengl = 1; +} @@ -339,7 +339,7 @@ static void gd_update_geometry_hints(VirtualConsole *vc) gtk_window_set_geometry_hints(geo_window, geo_widget, &geo, mask); } -static void gd_update_windowsize(VirtualConsole *vc) +void gd_update_windowsize(VirtualConsole *vc) { GtkDisplayState *s = vc->s; @@ -581,6 +581,33 @@ static void gd_switch(DisplayChangeListener *dcl, } } +static const DisplayChangeListenerOps dcl_ops = { + .dpy_name = "gtk", + .dpy_gfx_update = gd_update, + .dpy_gfx_switch = gd_switch, + .dpy_gfx_check_format = qemu_pixman_check_format, + .dpy_refresh = gd_refresh, + .dpy_mouse_set = gd_mouse_set, + .dpy_cursor_define = gd_cursor_define, +}; + + +#if defined(CONFIG_OPENGL) + +/** DisplayState Callbacks (opengl version) **/ + +static const DisplayChangeListenerOps dcl_egl_ops = { + .dpy_name = "gtk-egl", + .dpy_gfx_update = gd_egl_update, + .dpy_gfx_switch = gd_egl_switch, + .dpy_gfx_check_format = console_gl_check_format, + .dpy_refresh = gd_egl_refresh, + .dpy_mouse_set = gd_mouse_set, + .dpy_cursor_define = gd_cursor_define, +}; + +#endif + /** QEMU Events **/ static void gd_change_runstate(void *opaque, int running, RunState state) @@ -637,6 +664,13 @@ static gboolean gd_draw_event(GtkWidget *widget, cairo_t *cr, void *opaque) int ww, wh; int fbw, fbh; +#if defined(CONFIG_OPENGL) + if (vc->gfx.gls) { + gd_egl_draw(vc); + return TRUE; + } +#endif + if (!gtk_widget_get_realized(widget)) { return FALSE; } @@ -1676,16 +1710,6 @@ static GtkWidget *gd_create_menu_machine(GtkDisplayState *s) return machine_menu; } -static const DisplayChangeListenerOps dcl_ops = { - .dpy_name = "gtk", - .dpy_gfx_update = gd_update, - .dpy_gfx_switch = gd_switch, - .dpy_gfx_check_format = qemu_pixman_check_format, - .dpy_refresh = gd_refresh, - .dpy_mouse_set = gd_mouse_set, - .dpy_cursor_define = gd_cursor_define, -}; - static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc, QemuConsole *con, int idx, GSList *group, GtkWidget *view_menu) @@ -1713,7 +1737,29 @@ static GSList *gd_vc_gfx_init(GtkDisplayState *s, VirtualConsole *vc, gtk_notebook_append_page(GTK_NOTEBOOK(s->notebook), vc->tab_item, gtk_label_new(vc->label)); - vc->gfx.dcl.ops = &dcl_ops; +#if defined(CONFIG_OPENGL) + if (display_opengl) { + /* + * gtk_widget_set_double_buffered() was deprecated in 3.14. + * It is required for opengl rendering on X11 though. A + * proper replacement (native opengl support) is only + * available in 3.16+. Silence the warning if possible. + */ +#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wdeprecated-declarations" +#endif + gtk_widget_set_double_buffered(vc->gfx.drawing_area, FALSE); +#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE +#pragma GCC diagnostic pop +#endif + vc->gfx.dcl.ops = &dcl_egl_ops; + } else +#endif + { + vc->gfx.dcl.ops = &dcl_ops; + } + vc->gfx.dcl.con = con; register_displaychangelistener(&vc->gfx.dcl); @@ -1876,8 +1922,6 @@ void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover) GtkDisplayState *s = g_malloc0(sizeof(*s)); char *filename; - gtk_init(NULL, NULL); - s->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); #if GTK_CHECK_VERSION(3, 2, 0) s->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0); @@ -1954,8 +1998,24 @@ void gtk_display_init(DisplayState *ds, bool full_screen, bool grab_on_hover) gd_set_keycode_type(s); } -void early_gtk_display_init(void) +void early_gtk_display_init(int opengl) { + gtk_init(NULL, NULL); + + switch (opengl) { + case -1: /* default */ + case 0: /* off */ + break; + case 1: /* on */ +#if defined(CONFIG_OPENGL) + gtk_egl_init(); +#endif + break; + default: + g_assert_not_reached(); + break; + } + #if defined(CONFIG_VTE) register_vc_handler(gd_vc_handler); #endif @@ -2047,6 +2047,15 @@ static DisplayType select_display(const char *p) } else { goto invalid_gtk_args; } + } else if (strstart(opts, ",gl=", &nextopt)) { + opts = nextopt; + if (strstart(opts, "on", &nextopt)) { + request_opengl = 1; + } else if (strstart(opts, "off", &nextopt)) { + request_opengl = 0; + } else { + goto invalid_gtk_args; + } } else { invalid_gtk_args: fprintf(stderr, "Invalid GTK option string: %s\n", p); @@ -4012,7 +4021,7 @@ int main(int argc, char **argv, char **envp) #if defined(CONFIG_GTK) if (display_type == DT_GTK) { - early_gtk_display_init(); + early_gtk_display_init(request_opengl); } #endif #if defined(CONFIG_SDL) |