| /* | |
| * Copyright (c) 2011, 2020, Oracle and/or its affiliates. All rights reserved. | |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| * | |
| * This code is free software; you can redistribute it and/or modify it | |
| * under the terms of the GNU General Public License version 2 only, as | |
| * published by the Free Software Foundation. Oracle designates this | |
| * particular file as subject to the "Classpath" exception as provided | |
| * by Oracle in the LICENSE file that accompanied this code. | |
| * | |
| * This code is distributed in the hope that it will be useful, but WITHOUT | |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| * version 2 for more details (a copy is included in the LICENSE file that | |
| * accompanied this code). | |
| * | |
| * You should have received a copy of the GNU General Public License version | |
| * 2 along with this work; if not, write to the Free Software Foundation, | |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| * | |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| * or visit www.oracle.com if you need additional information or have any | |
| * questions. | |
| */ | |
| #ifndef CGLGraphicsConfig_h_Included | |
| #define CGLGraphicsConfig_h_Included | |
| #import "jni.h" | |
| #import "J2D_GL/gl.h" | |
| #import "OGLSurfaceData.h" | |
| #import "OGLContext.h" | |
| #import <Cocoa/Cocoa.h> | |
| // REMIND: Using an NSOpenGLPixelBuffer as the scratch surface has been | |
| // problematic thus far (seeing garbage and flickering when switching | |
| // between an NSView and the scratch surface), so the following enables | |
| // an alternate codepath that uses a hidden NSWindow/NSView as the scratch | |
| // surface, for the purposes of making a context current in certain | |
| // situations. It appears that calling [NSOpenGLContext setView] too | |
| // frequently contributes to the bad behavior, so we should try to avoid | |
| // switching to the scratch surface whenever possible. | |
| /* Do we need this if we are using all off-screen drawing ? */ | |
| #define USE_NSVIEW_FOR_SCRATCH 1 | |
| /** | |
| * The CGLGraphicsConfigInfo structure contains information specific to a | |
| * given CGLGraphicsConfig. | |
| * | |
| * OGLContext *context; | |
| * The context associated with this CGLGraphicsConfig. | |
| */ | |
| typedef struct _CGLGraphicsConfigInfo { | |
| OGLContext *context; | |
| } CGLGraphicsConfigInfo; | |
| /** | |
| * The CGLCtxInfo structure contains the native CGLContext information | |
| * required by and is encapsulated by the platform-independent OGLContext | |
| * structure. | |
| * | |
| * NSOpenGLContext *context; | |
| * The core native NSOpenGL context. Rendering commands have no effect until | |
| * a context is made current (active). | |
| * | |
| * NSOpenGLPixelBuffer *scratchSurface; | |
| * The scratch surface id used to make a context current when we do | |
| * not otherwise have a reference to an OpenGL surface for the purposes of | |
| * making a context current. | |
| */ | |
| typedef struct _CGLCtxInfo { | |
| NSOpenGLContext *context; | |
| #if USE_NSVIEW_FOR_SCRATCH | |
| NSView *scratchSurface; | |
| #else | |
| NSOpenGLPixelBuffer *scratchSurface; | |
| #endif | |
| } CGLCtxInfo; | |
| #endif /* CGLGraphicsConfig_h_Included */ |