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-rw-r--r--ui/gtk-gl-area.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/ui/gtk-gl-area.c b/ui/gtk-gl-area.c
index 0e20ea031d..2e0129c28c 100644
--- a/ui/gtk-gl-area.c
+++ b/ui/gtk-gl-area.c
@@ -170,6 +170,23 @@ void gd_gl_area_switch(DisplayChangeListener *dcl,
}
}
+static int gd_cmp_gl_context_version(int major, int minor, QEMUGLParams *params)
+{
+ if (major > params->major_ver) {
+ return 1;
+ }
+ if (major < params->major_ver) {
+ return -1;
+ }
+ if (minor > params->minor_ver) {
+ return 1;
+ }
+ if (minor < params->minor_ver) {
+ return -1;
+ }
+ return 0;
+}
+
QEMUGLContext gd_gl_area_create_context(DisplayGLCtx *dgc,
QEMUGLParams *params)
{
@@ -177,8 +194,8 @@ QEMUGLContext gd_gl_area_create_context(DisplayGLCtx *dgc,
GdkWindow *window;
GdkGLContext *ctx;
GError *err = NULL;
+ int major, minor;
- gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
window = gtk_widget_get_window(vc->gfx.drawing_area);
ctx = gdk_window_create_gl_context(window, &err);
if (err) {
@@ -196,6 +213,18 @@ QEMUGLContext gd_gl_area_create_context(DisplayGLCtx *dgc,
g_clear_object(&ctx);
return NULL;
}
+
+ gdk_gl_context_make_current(ctx);
+ gdk_gl_context_get_version(ctx, &major, &minor);
+ gdk_gl_context_clear_current();
+ gtk_gl_area_make_current(GTK_GL_AREA(vc->gfx.drawing_area));
+
+ if (gd_cmp_gl_context_version(major, minor, params) == -1) {
+ /* created ctx version < requested version */
+ g_clear_object(&ctx);
+ }
+
+ trace_gd_gl_area_create_context(ctx, params->major_ver, params->minor_ver);
return ctx;
}