1/*
2 * Copyright (c) 2003, 2005, 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 GLXGraphicsConfig_h_Included
27#define GLXGraphicsConfig_h_Included
28
29#include "jni.h"
30#include "J2D_GL/glx.h"
31#include "OGLSurfaceData.h"
32#include "OGLContext.h"
33
34#ifdef HEADLESS
35#define GLXGraphicsConfigInfo void
36#define GLXCtxInfo void
37#else /* HEADLESS */
38
39/**
40 * The GLXGraphicsConfigInfo structure contains information specific to a
41 * given GLXGraphicsConfig (visual). Each AwtGraphicsConfigData struct
42 * associated with a GLXGraphicsConfig contains a pointer to a
43 * GLXGraphicsConfigInfo struct (if it is actually an X11GraphicsConfig, that
44 * pointer value will be NULL).
45 *
46 * jint screen, visual;
47 * The X11 screen and visual IDs for the associated GLXGraphicsConfig.
48 *
49 * OGLContext *context;
50 * The context associated with this GLXGraphicsConfig.
51 *
52 * GLXFBConfig fbconfig;
53 * A handle used in many GLX methods for querying certain attributes of the
54 * GraphicsConfig (visual), creating new GLXContexts, and creating
55 * GLXDrawable surfaces (pbuffers, etc). Each GraphicsConfig has one
56 * associated GLXFBConfig.
57 */
58typedef struct _GLXGraphicsConfigInfo {
59 jint screen;
60 jint visual;
61 OGLContext *context;
62 GLXFBConfig fbconfig;
63} GLXGraphicsConfigInfo;
64
65/**
66 * The GLXCtxInfo structure contains the native GLXContext information
67 * required by and is encapsulated by the platform-independent OGLContext
68 * structure.
69 *
70 * GLXContext context;
71 * The core native GLX context. Rendering commands have no effect until a
72 * GLXContext is made current (active).
73 *
74 * GLXFBConfig fbconfig;
75 * This is the same GLXFBConfig that is stored in the GLXGraphicsConfigInfo
76 * whence this GLXContext was created. It is provided here for convenience.
77 *
78 * GLXPbuffer scratchSurface;
79 * The scratch surface, which is used to make a context current when we do
80 * not otherwise have a reference to an OpenGL surface for the purposes of
81 * making a context current.
82 */
83typedef struct _GLXCtxInfo {
84 GLXContext context;
85 GLXFBConfig fbconfig;
86 GLXPbuffer scratchSurface;
87} GLXCtxInfo;
88
89jboolean GLXGC_IsGLXAvailable();
90VisualID GLXGC_FindBestVisual(JNIEnv *env, jint screen);
91
92#endif /* HEADLESS */
93
94#endif /* GLXGraphicsConfig_h_Included */
95