1 /* 2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #ifndef MTLGraphicsConfig_h_Included 27 #define MTLGraphicsConfig_h_Included 28 29 #import "jni.h" 30 #import "MTLSurfaceDataBase.h" 31 #import "MTLContext.h" 32 #import <Cocoa/Cocoa.h> 33 #import <Metal/Metal.h> 34 #import <MetalKit/MetalKit.h> 35 36 37 @interface MTLGraphicsConfigUtil : NSObject {} 38 + (void) _getMTLConfigInfo: (NSMutableArray *)argValue; 39 @end 40 41 // REMIND: Using an NSOpenGLPixelBuffer as the scratch surface has been 42 // problematic thus far (seeing garbage and flickering when switching 43 // between an NSView and the scratch surface), so the following enables 44 // an alternate codepath that uses a hidden NSWindow/NSView as the scratch 45 // surface, for the purposes of making a context current in certain 46 // situations. It appears that calling [NSOpenGLContext setView] too 47 // frequently contributes to the bad behavior, so we should try to avoid 48 // switching to the scratch surface whenever possible. 49 50 /* Do we need this if we are using all off-screen drawing ? */ 51 #define USE_NSVIEW_FOR_SCRATCH 1 52 53 /* Uncomment to have an additional CAOGLLayer instance tied to 54 * each instance, which can be used to test remoting the layer 55 * to an out of process window. The additional layer is needed 56 * because a layer can only be attached to one context (view/window). 57 * This is only for testing purposes and can be removed if/when no 58 * longer needed. 59 */ 60 61 62 /** 63 * The MTLGraphicsConfigInfo structure contains information specific to a 64 * given CGLGraphicsConfig (pixel format). 65 * 66 * jint screen; 67 * The screen and PixelFormat for the associated CGLGraphicsConfig. 68 * 69 * NSOpenGLPixelFormat *pixfmt; 70 * The pixel format of the native NSOpenGL context. 71 * 72 * MTLContext *context; 73 * The context associated with this CGLGraphicsConfig. 74 */ 75 typedef struct _MTLGraphicsConfigInfo { 76 jint screen; 77 NSOpenGLPixelFormat *pixfmt; 78 MTLContext *context; 79 } MTLGraphicsConfigInfo; 80 81 #endif /* MTLGraphicsConfig_h_Included */