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