qemu-e2k/include/ui/gtk.h
Gerd Hoffmann 925a040002 gtk/opengl: add opengl context and scanout support (GtkGLArea)
This allows virtio-gpu to render in 3d mode.
Uses native opengl support which is present
in gtk versions 3.16 and newer.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-10-08 10:34:53 +02:00

135 lines
4.0 KiB
C

#ifndef UI_GTK_H
#define UI_GTK_H
#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
/* Work around an -Wstrict-prototypes warning in GTK headers */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wstrict-prototypes"
#endif
#include <gtk/gtk.h>
#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
#pragma GCC diagnostic pop
#endif
#include <gdk/gdkkeysyms.h>
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#include <X11/XKBlib.h>
#endif
#if defined(CONFIG_OPENGL)
#include "ui/egl-helpers.h"
#include "ui/egl-context.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)
{
*ww = gdk_window_get_width(w);
*wh = gdk_window_get_height(w);
}
#endif
typedef struct GtkDisplayState GtkDisplayState;
typedef struct VirtualGfxConsole {
GtkWidget *drawing_area;
DisplayChangeListener dcl;
DisplaySurface *ds;
pixman_image_t *convert;
cairo_surface_t *surface;
double scale_x;
double scale_y;
#if defined(CONFIG_OPENGL)
ConsoleGLState *gls;
EGLContext ectx;
EGLSurface esurface;
int glupdates;
int x, y, w, h;
GLuint tex_id;
GLuint fbo_id;
bool y0_top;
bool scanout_mode;
#endif
} VirtualGfxConsole;
#if defined(CONFIG_VTE)
typedef struct VirtualVteConsole {
GtkWidget *box;
GtkWidget *scrollbar;
GtkWidget *terminal;
CharDriverState *chr;
} VirtualVteConsole;
#endif
typedef enum VirtualConsoleType {
GD_VC_GFX,
GD_VC_VTE,
} VirtualConsoleType;
typedef struct VirtualConsole {
GtkDisplayState *s;
char *label;
GtkWidget *window;
GtkWidget *menu_item;
GtkWidget *tab_item;
GtkWidget *focus;
VirtualConsoleType type;
union {
VirtualGfxConsole gfx;
#if defined(CONFIG_VTE)
VirtualVteConsole vte;
#endif
};
} 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);
QEMUGLContext gd_egl_create_context(DisplayChangeListener *dcl,
QEMUGLParams *params);
void gd_egl_scanout(DisplayChangeListener *dcl,
uint32_t backing_id, bool backing_y_0_top,
uint32_t x, uint32_t y,
uint32_t w, uint32_t h);
void gd_egl_scanout_flush(DisplayChangeListener *dcl,
uint32_t x, uint32_t y, uint32_t w, uint32_t h);
void gtk_egl_init(void);
int gd_egl_make_current(DisplayChangeListener *dcl,
QEMUGLContext ctx);
/* ui/gtk-gl-area.c */
void gd_gl_area_init(VirtualConsole *vc);
void gd_gl_area_draw(VirtualConsole *vc);
void gd_gl_area_update(DisplayChangeListener *dcl,
int x, int y, int w, int h);
void gd_gl_area_refresh(DisplayChangeListener *dcl);
void gd_gl_area_switch(DisplayChangeListener *dcl,
DisplaySurface *surface);
QEMUGLContext gd_gl_area_create_context(DisplayChangeListener *dcl,
QEMUGLParams *params);
void gd_gl_area_destroy_context(DisplayChangeListener *dcl,
QEMUGLContext ctx);
void gd_gl_area_scanout(DisplayChangeListener *dcl,
uint32_t backing_id, bool backing_y_0_top,
uint32_t x, uint32_t y,
uint32_t w, uint32_t h);
void gd_gl_area_scanout_flush(DisplayChangeListener *dcl,
uint32_t x, uint32_t y, uint32_t w, uint32_t h);
void gtk_gl_area_init(void);
QEMUGLContext gd_gl_area_get_current_context(DisplayChangeListener *dcl);
int gd_gl_area_make_current(DisplayChangeListener *dcl,
QEMUGLContext ctx);
#endif /* UI_GTK_H */