JRE-526: IDE is unusably slow when using a 4K display on OS X

Do not reduce reported max texture size
hak7a3 · Nov 21, 2017 · 69ef7da · 69ef7da
1 parent e95a8ac
commit 69ef7da
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/src/macosx/classes/sun/java2d/opengl/CGLGraphicsConfig.java b/src/macosx/classes/sun/java2d/opengl/CGLGraphicsConfig.java
@@ -163,10 +163,13 @@ public static CGLGraphicsConfig getConfig(CGraphicsDevice device,
                         kOpenGLSwapInterval);
                 if (cfginfo != 0L) {
                     textureSize = nativeGetMaxTextureSize();
-                    // 7160609: GL still fails to create a square texture of this
-                    // size. Half should be safe enough.
-                    // Explicitly not support a texture more than 2^14, see 8010999.
-                    textureSize = textureSize <= 16384 ? textureSize / 2 : 8192;
+                    // Looks like it is outdated info, moreover on OSX in 4K resolution
+                    // reducing max size of the texture leads to performance degradation
+                    // in scrolling
+                    // // 7160609: GL still fails to create a square texture of this
+                    // // size. Half should be safe enough.
+                    // // Explicitly not support a texture more than 2^14, see 8010999.
+                    // // textureSize = textureSize <= 16384 ? textureSize / 2 : 8192;
                     OGLContext.setScratchSurface(cfginfo);
                     rq.flushAndInvokeNow(() -> ids[0] = OGLContext.getOGLIdString());
                 }