| 1 | #ifdef HAVE_DIX_CONFIG_H |
| 2 | #include <dix-config.h> |
| 3 | #endif |
| 4 | |
| 5 | #ifndef _GLX_context_h_ |
| 6 | #define _GLX_context_h_ |
| 7 | |
| 8 | /* |
| 9 | * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) |
| 10 | * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. |
| 11 | * |
| 12 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 13 | * copy of this software and associated documentation files (the "Software"), |
| 14 | * to deal in the Software without restriction, including without limitation |
| 15 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 16 | * and/or sell copies of the Software, and to permit persons to whom the |
| 17 | * Software is furnished to do so, subject to the following conditions: |
| 18 | * |
| 19 | * The above copyright notice including the dates of first publication and |
| 20 | * either this permission notice or a reference to |
| 21 | * http://oss.sgi.com/projects/FreeB/ |
| 22 | * shall be included in all copies or substantial portions of the Software. |
| 23 | * |
| 24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 25 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 26 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 27 | * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 28 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF |
| 29 | * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 30 | * SOFTWARE. |
| 31 | * |
| 32 | * Except as contained in this notice, the name of Silicon Graphics, Inc. |
| 33 | * shall not be used in advertising or otherwise to promote the sale, use or |
| 34 | * other dealings in this Software without prior written authorization from |
| 35 | * Silicon Graphics, Inc. |
| 36 | */ |
| 37 | |
| 38 | typedef struct __GLXtextureFromPixmap __GLXtextureFromPixmap; |
| 39 | struct __GLXtextureFromPixmap { |
| 40 | int (*bindTexImage) (__GLXcontext * baseContext, |
| 41 | int buffer, __GLXdrawable * pixmap); |
| 42 | int (*releaseTexImage) (__GLXcontext * baseContext, |
| 43 | int buffer, __GLXdrawable * pixmap); |
| 44 | }; |
| 45 | |
| 46 | struct __GLXcontext { |
| 47 | void (*destroy) (__GLXcontext * context); |
| 48 | int (*makeCurrent) (__GLXcontext * context); |
| 49 | int (*loseCurrent) (__GLXcontext * context); |
| 50 | int (*copy) (__GLXcontext * dst, __GLXcontext * src, unsigned long mask); |
| 51 | Bool (*wait) (__GLXcontext * context, __GLXclientState * cl, int *error); |
| 52 | |
| 53 | __GLXtextureFromPixmap *textureFromPixmap; |
| 54 | |
| 55 | /* |
| 56 | ** list of context structs |
| 57 | */ |
| 58 | __GLXcontext *next; |
| 59 | |
| 60 | /* |
| 61 | ** config struct for this context |
| 62 | */ |
| 63 | __GLXconfig *config; |
| 64 | |
| 65 | /* |
| 66 | ** Pointer to screen info data for this context. This is set |
| 67 | ** when the context is created. |
| 68 | */ |
| 69 | __GLXscreen *pGlxScreen; |
| 70 | |
| 71 | /* |
| 72 | ** If this context is current for a client, this will be that client |
| 73 | */ |
| 74 | ClientPtr currentClient; |
| 75 | |
| 76 | /* |
| 77 | ** The XID of this context. |
| 78 | */ |
| 79 | XID id; |
| 80 | |
| 81 | /* |
| 82 | ** The XID of the shareList context. |
| 83 | */ |
| 84 | XID share_id; |
| 85 | |
| 86 | /* |
| 87 | ** Whether this context's ID still exists. |
| 88 | */ |
| 89 | GLboolean idExists; |
| 90 | |
| 91 | /* |
| 92 | ** Whether this context is a direct rendering context. |
| 93 | */ |
| 94 | GLboolean isDirect; |
| 95 | |
| 96 | /* |
| 97 | ** This flag keeps track of whether there are unflushed GL commands. |
| 98 | */ |
| 99 | GLboolean hasUnflushedCommands; |
| 100 | |
| 101 | /* |
| 102 | ** Current rendering mode for this context. |
| 103 | */ |
| 104 | GLenum renderMode; |
| 105 | |
| 106 | /** |
| 107 | * Reset notification strategy used when a GPU reset occurs. |
| 108 | */ |
| 109 | GLenum resetNotificationStrategy; |
| 110 | |
| 111 | /* |
| 112 | ** Buffers for feedback and selection. |
| 113 | */ |
| 114 | GLfloat *feedbackBuf; |
| 115 | GLint feedbackBufSize; /* number of elements allocated */ |
| 116 | GLuint *selectBuf; |
| 117 | GLint selectBufSize; /* number of elements allocated */ |
| 118 | |
| 119 | /* |
| 120 | ** The drawable private this context is bound to |
| 121 | */ |
| 122 | __GLXdrawable *drawPriv; |
| 123 | __GLXdrawable *readPriv; |
| 124 | }; |
| 125 | |
| 126 | void __glXContextDestroy(__GLXcontext * context); |
| 127 | |
| 128 | extern int validGlxScreen(ClientPtr client, int screen, |
| 129 | __GLXscreen ** pGlxScreen, int *err); |
| 130 | |
| 131 | extern int validGlxFBConfig(ClientPtr client, __GLXscreen * pGlxScreen, |
| 132 | XID id, __GLXconfig ** config, int *err); |
| 133 | |
| 134 | extern int validGlxContext(ClientPtr client, XID id, int access_mode, |
| 135 | __GLXcontext ** context, int *err); |
| 136 | |
| 137 | extern __GLXcontext *__glXdirectContextCreate(__GLXscreen * screen, |
| 138 | __GLXconfig * modes, |
| 139 | __GLXcontext * shareContext); |
| 140 | |
| 141 | #endif /* !__GLX_context_h__ */ |