src/java.desktop/unix/native/common/java2d/opengl/GLXGraphicsConfig.c

@@ -470,11 +470,11 @@
     GLXFBConfig fbconfig;
     GLXContext context;
     GLXPbuffer scratch;
     GLXGraphicsConfigInfo *glxinfo;
     jint caps = CAPS_EMPTY;
-    int db, alpha;
+    int db;
     const unsigned char *versionstr;
 
     J2dRlsTraceLn(J2D_TRACE_INFO, "GLXGraphicsConfig_getGLXConfigInfo");
 
     if (usingXinerama) {

@@ -581,14 +581,10 @@
     // get config-specific capabilities
     j2d_glXGetFBConfigAttrib(awt_display, fbconfig, GLX_DOUBLEBUFFER, &db);
     if (db) {
         caps |= CAPS_DOUBLEBUFFERED;
     }
-    j2d_glXGetFBConfigAttrib(awt_display, fbconfig, GLX_ALPHA_SIZE, &alpha);
-    if (alpha > 0) {
-        caps |= CAPS_STORED_ALPHA;
-    }
 
     // initialize the OGLContext, which wraps the GLXFBConfig and GLXContext
     oglc = GLXGC_InitOGLContext(fbconfig, context, scratch, caps);
     if (oglc == NULL) {
         J2dRlsTraceLn(J2D_TRACE_ERROR,