s390x/tcg: avoid overflows in time2tod/tod2time

[qemu.git] / ui / sdl2-gl.c

diff --git a/ui/sdl2-gl.c b/ui/sdl2-gl.c
index c3683e6b65061cf139bdf3e757053b4199e18626..83b71853d1557a1416cb102b9342d43bc87fe580 100644 (file)
--- a/ui/sdl2-gl.c
+++ b/ui/sdl2-gl.c
@@ -140,12 +140,27 @@ QEMUGLContext sdl2_gl_create_context(DisplayChangeListener *dcl,
     SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
 
     SDL_GL_SetAttribute(SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 1);
-    SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
-                        SDL_GL_CONTEXT_PROFILE_CORE);
+    if (scon->opts->gl == DISPLAYGL_MODE_ON ||
+        scon->opts->gl == DISPLAYGL_MODE_CORE) {
+        SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
+                            SDL_GL_CONTEXT_PROFILE_CORE);
+    } else if (scon->opts->gl == DISPLAYGL_MODE_ES) {
+        SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
+                            SDL_GL_CONTEXT_PROFILE_ES);
+    }
     SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, params->major_ver);
     SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, params->minor_ver);
 
     ctx = SDL_GL_CreateContext(scon->real_window);
+
+    /* If SDL fail to create a GL context and we use the "on" flag,
+     * then try to fallback to GLES.
+     */
+    if (!ctx && scon->opts->gl == DISPLAYGL_MODE_ON) {
+        SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
+                            SDL_GL_CONTEXT_PROFILE_ES);
+        ctx = SDL_GL_CreateContext(scon->real_window);
+    }
     return (QEMUGLContext)ctx;
 }