1/* 2 * Copyright (c) 2011, 2012, 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 CGLGraphicsConfig_h_Included 27#define CGLGraphicsConfig_h_Included 28 29#import "jni.h" 30#import "J2D_GL/gl.h" 31#import "OGLSurfaceData.h" 32#import "OGLContext.h" 33#import <Cocoa/Cocoa.h> 34 35@interface GraphicsConfigUtil : NSObject {} 36+ (void) _getCGLConfigInfo: (NSMutableArray *)argValue; 37@end 38 39// REMIND: Using an NSOpenGLPixelBuffer as the scratch surface has been 40// problematic thus far (seeing garbage and flickering when switching 41// between an NSView and the scratch surface), so the following enables 42// an alternate codepath that uses a hidden NSWindow/NSView as the scratch 43// surface, for the purposes of making a context current in certain 44// situations. It appears that calling [NSOpenGLContext setView] too 45// frequently contributes to the bad behavior, so we should try to avoid 46// switching to the scratch surface whenever possible. 47 48/* Do we need this if we are using all off-screen drawing ? */ 49#define USE_NSVIEW_FOR_SCRATCH 1 50 51/* Uncomment to have an additional CAOGLLayer instance tied to 52 * each instance, which can be used to test remoting the layer 53 * to an out of process window. The additional layer is needed 54 * because a layer can only be attached to one context (view/window). 55 * This is only for testing purposes and can be removed if/when no 56 * longer needed. 57 */ 58//#define REMOTELAYER 1 59 60#ifdef REMOTELAYER 61#import <JavaRuntimeSupport/JRSRemoteLayer.h> 62#import <pthread.h> 63#include <unistd.h> 64#include <stdio.h> 65#import <sys/socket.h> 66#import <sys/un.h> 67 68extern mach_port_t JRSRemotePort; 69extern int remoteSocketFD; 70extern void sendLayerID(int layerID); 71 72#endif /* REMOTELAYER */ 73 74 75/** 76 * The CGLGraphicsConfigInfo structure contains information specific to a 77 * given CGLGraphicsConfig (pixel format). 78 * 79 * jint screen; 80 * The screen and PixelFormat for the associated CGLGraphicsConfig. 81 * 82 * NSOpenGLPixelFormat *pixfmt; 83 * The pixel format of the native NSOpenGL context. 84 * 85 * OGLContext *context; 86 * The context associated with this CGLGraphicsConfig. 87 */ 88typedef struct _CGLGraphicsConfigInfo { 89 jint screen; 90 NSOpenGLPixelFormat *pixfmt; 91 OGLContext *context; 92} CGLGraphicsConfigInfo; 93 94/** 95 * The CGLCtxInfo structure contains the native CGLContext information 96 * required by and is encapsulated by the platform-independent OGLContext 97 * structure. 98 * 99 * NSOpenGLContext *context; 100 * The core native NSOpenGL context. Rendering commands have no effect until 101 * a context is made current (active). 102 * 103 * NSOpenGLPixelBuffer *scratchSurface; 104 * The scratch surface id used to make a context current when we do 105 * not otherwise have a reference to an OpenGL surface for the purposes of 106 * making a context current. 107 */ 108typedef struct _CGLCtxInfo { 109 NSOpenGLContext *context; 110#if USE_NSVIEW_FOR_SCRATCH 111 NSView *scratchSurface; 112#else 113 NSOpenGLPixelBuffer *scratchSurface; 114#endif 115} CGLCtxInfo; 116 117#endif /* CGLGraphicsConfig_h_Included */ 118