Merge remote-tracking branch 'remotes/kraxel/tags/pull-gtk-20150529-1' into staging

gtk: add opengl rendering support.
small bugfixes for gtk and opengl ui code.

# gpg: Signature made Fri May 29 10:44:54 2015 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-gtk-20150529-1:
  gtk: Replace gdk_cursor_new()
  gtk: add opengl support, using egl
  ui: add egl-helpers
  ui: shader.h protect against double inclusion
  ui: use libexpoxy

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

4 files changed, 47 insertions, 7 deletions

diff --git a/include/ui/console.h b/include/ui/console.h
index e8b3a9ea8d..6f7550ef9c 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -10,8 +10,7 @@
 #include "qapi/error.h"
 
 #ifdef CONFIG_OPENGL
-# include <GLES2/gl2.h>
-# include <GLES2/gl2ext.h>
+# include <epoxy/gl.h>
 #endif
 
 /* keyboard/mouse support */
@@ -394,7 +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/egl-helpers.h b/include/ui/egl-helpers.h
new file mode 100644
index 0000000000..5ad5dc3081
--- /dev/null
+++ b/include/ui/egl-helpers.h
@@ -0,0 +1,16 @@
+#ifndef EGL_HELPERS_H
+#define EGL_HELPERS_H
+
+#include <epoxy/gl.h>
+#include <epoxy/egl.h>
+
+extern EGLDisplay *qemu_egl_display;
+extern EGLConfig qemu_egl_config;
+
+EGLSurface qemu_egl_init_surface_x11(EGLContext ectx, Window win);
+
+int qemu_egl_init_dpy(EGLNativeDisplayType dpy, bool gles, bool debug);
+EGLContext qemu_egl_init_ctx(void);
+bool qemu_egl_has_ext(const char *haystack, const char *needle);
+
+#endif /* EGL_HELPERS_H */
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/include/ui/shader.h b/include/ui/shader.h
index 1ff926c9e1..8509596ac0 100644
--- a/include/ui/shader.h
+++ b/include/ui/shader.h
@@ -1,7 +1,7 @@
-#ifdef CONFIG_OPENGL
-# include <GLES2/gl2.h>
-# include <GLES2/gl2ext.h>
-#endif
+#ifndef QEMU_SHADER_H
+#define QEMU_SHADER_H
+
+#include <epoxy/gl.h>
 
 void qemu_gl_run_texture_blit(GLint texture_blit_prog);
 
@@ -9,3 +9,5 @@ GLuint qemu_gl_create_compile_shader(GLenum type, const GLchar *src);
 GLuint qemu_gl_create_link_program(GLuint vert, GLuint frag);
 GLuint qemu_gl_create_compile_link_program(const GLchar *vert_src,
                                            const GLchar *frag_src);
+
+#endif /* QEMU_SHADER_H */