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gtk/opengl: add opengl context and scanout support (egl)

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This allows virtio-gpu to render in 3d mode.
Uses egl, for gtk versions 3.14 and older.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Gerd Hoffmann 2015-05-08 11:30:51 +02:00
parent 6c18744d0f
commit 4782aeb79f
3 changed files with 146 additions and 8 deletions
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16
include/ui/gtk.h
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@ -20,6 +20,7 @@
#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 */
@ -46,6 +47,11 @@ typedef struct VirtualGfxConsole {
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;
@ -90,6 +96,16 @@ void gd_egl_update(DisplayChangeListener *dcl,
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);
#endif /* UI_GTK_H */