325     const unsigned char *versionstr = j2d_glGetString(GL_VERSION);
 326     if (!OGLContext_IsVersionSupported(versionstr)) {
 327         J2dRlsTraceLn(J2D_TRACE_ERROR, "CGLGraphicsConfig_getCGLConfigInfo: OpenGL 1.2 is required");
 328         [NSOpenGLContext clearCurrentContext];
 329         [argValue addObject: [NSNumber numberWithLong: 0L]];
 330         return;
 331     }
 332     J2dRlsTraceLn1(J2D_TRACE_INFO, "CGLGraphicsConfig_getCGLConfigInfo: OpenGL version=%s", versionstr);
 333 
 334     jint caps = CAPS_EMPTY;
 335     OGLContext_GetExtensionInfo(env, &caps);
 336 
 337     GLint value = 0;
 338     [sharedPixelFormat
 339         getValues: &value
 340         forAttribute: NSOpenGLPFADoubleBuffer
 341         forVirtualScreen: contextVirtualScreen];
 342     if (value != 0) {
 343         caps |= CAPS_DOUBLEBUFFERED;
 344     }
 345     [sharedPixelFormat
 346         getValues: &value
 347         forAttribute: NSOpenGLPFAAlphaSize
 348         forVirtualScreen: contextVirtualScreen];
 349     if (value != 0) {
 350         caps |= CAPS_STORED_ALPHA;
 351     }
 352 
 353     J2dRlsTraceLn2(J2D_TRACE_INFO,
 354                    "CGLGraphicsConfig_getCGLConfigInfo: db=%d alpha=%d",
 355                    (caps & CAPS_DOUBLEBUFFERED) != 0,
 356                    (caps & CAPS_STORED_ALPHA) != 0);
 357 
 358     // remove before shipping (?)
 359 #if 1
 360     [sharedPixelFormat
 361         getValues: &value
 362         forAttribute: NSOpenGLPFAAccelerated
 363         forVirtualScreen: contextVirtualScreen];
 364     if (value == 0) {
 365         [sharedPixelFormat
 366             getValues: &value
 367             forAttribute: NSOpenGLPFARendererID
 368             forVirtualScreen: contextVirtualScreen];
 369         fprintf(stderr, "WARNING: GL pipe is running in software mode (Renderer ID=0x%x)\n", (int)value);
 370     }
 371 #endif
 372 
 373     // 0: the buffers are swapped with no regard to the vertical refresh rate
 374     // 1: the buffers are swapped only during the vertical retrace
 375     GLint params = swapInterval;
 376     [context setValues: &params forParameter: NSOpenGLCPSwapInterval];

 325     const unsigned char *versionstr = j2d_glGetString(GL_VERSION);
 326     if (!OGLContext_IsVersionSupported(versionstr)) {
 327         J2dRlsTraceLn(J2D_TRACE_ERROR, "CGLGraphicsConfig_getCGLConfigInfo: OpenGL 1.2 is required");
 328         [NSOpenGLContext clearCurrentContext];
 329         [argValue addObject: [NSNumber numberWithLong: 0L]];
 330         return;
 331     }
 332     J2dRlsTraceLn1(J2D_TRACE_INFO, "CGLGraphicsConfig_getCGLConfigInfo: OpenGL version=%s", versionstr);
 333 
 334     jint caps = CAPS_EMPTY;
 335     OGLContext_GetExtensionInfo(env, &caps);
 336 
 337     GLint value = 0;
 338     [sharedPixelFormat
 339         getValues: &value
 340         forAttribute: NSOpenGLPFADoubleBuffer
 341         forVirtualScreen: contextVirtualScreen];
 342     if (value != 0) {
 343         caps |= CAPS_DOUBLEBUFFERED;
 344     }







 345 
 346     J2dRlsTraceLn1(J2D_TRACE_INFO,
 347                    "CGLGraphicsConfig_getCGLConfigInfo: db=%d",
 348                    (caps & CAPS_DOUBLEBUFFERED) != 0);

 349 
 350     // remove before shipping (?)
 351 #if 1
 352     [sharedPixelFormat
 353         getValues: &value
 354         forAttribute: NSOpenGLPFAAccelerated
 355         forVirtualScreen: contextVirtualScreen];
 356     if (value == 0) {
 357         [sharedPixelFormat
 358             getValues: &value
 359             forAttribute: NSOpenGLPFARendererID
 360             forVirtualScreen: contextVirtualScreen];
 361         fprintf(stderr, "WARNING: GL pipe is running in software mode (Renderer ID=0x%x)\n", (int)value);
 362     }
 363 #endif
 364 
 365     // 0: the buffers are swapped with no regard to the vertical refresh rate
 366     // 1: the buffers are swapped only during the vertical retrace
 367     GLint params = swapInterval;
 368     [context setValues: &params forParameter: NSOpenGLCPSwapInterval];