source: trunk/src/opengl/mesa/api.h@ 2970

Last change on this file since 2970 was 2938, checked in by sandervl, 25 years ago

created
File size: 4.6 KB
Line 
1/* $Id: api.h,v 1.1 2000-02-29 00:48:24 sandervl Exp $ */
2
3/*
4 * Mesa 3-D graphics library
5 * Version: 3.1
6 *
7 * Copyright (C) 1999 Brian Paul All Rights Reserved.
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 */
26/* $XFree86: xc/lib/GL/mesa/src/api.h,v 1.4 1999/06/27 14:07:26 dawes Exp $ */
27
28
29
30
31/*
32 * This header contains stuff only included by api1.c, api2.c and apiext.c
33 * and cva.c and varray.c
34 */
35
36
37#ifndef API_H
38#define API_H
39
40
41#if defined(GLX_DIRECT_RENDERING) && !defined(XFree86Server) && !defined(GLX_USE_DLOPEN)
42#define NEED_MESA_FUNCS_WRAPPED
43#include "mesa_api.h"
44#endif
45
46/*
47 * Single/multiple thread context selection.
48 */
49#ifdef THREADS
50
51/* Get the context associated with the calling thread */
52#define GET_CONTEXT GLcontext *CC = gl_get_thread_context()
53#define GET_IMMEDIATE struct immediate *IM = (gl_get_thread_context())->input;
54
55#define SET_IMMEDIATE(ctx, im) \
56do { \
57 ctx->input = im; \
58} while (0)
59
60#else
61
62/* CC is a global pointer for all threads in the address space */
63#define GET_CONTEXT
64
65/* And so is VB */
66#define GET_IMMEDIATE struct immediate *IM = CURRENT_INPUT
67
68#define SET_IMMEDIATE(ctx, im) \
69do { \
70 ctx->input = im; \
71 CURRENT_INPUT = im; \
72} while (0)
73
74#endif /* THREADS */
75
76
77/* Make sure there's a rendering context. KW: Only do this if compiled
78 * debug.
79 */
80#ifdef DEBUG
81#ifdef __WIN32OS2__
82#define CHECK_CONTEXT \
83 if (!CC) { \
84 dprintf(("Mesa user error: no rendering context.\n")); \
85 return; \
86 }
87#else
88#define CHECK_CONTEXT \
89 if (!CC) { \
90 if (getenv("MESA_DEBUG")) { \
91 fprintf(stderr,"Mesa user error: no rendering context.\n"); \
92 } \
93 return; \
94 }
95#endif
96
97#ifdef __WIN32OS2__
98#define CHECK_CONTEXT_RETURN(R) \
99 if (!CC) { \
100 dprintf(("Mesa user error: no rendering context.\n")); \
101 } \
102 return (R);
103#else
104#define CHECK_CONTEXT_RETURN(R) \
105 if (!CC) { \
106 if (getenv("MESA_DEBUG")) { \
107 fprintf(stderr,"Mesa user error: no rendering context.\n"); \
108 } \
109 return (R); \
110 }
111#endif
112#else
113#define CHECK_CONTEXT
114#define CHECK_CONTEXT_RETURN(R)
115#endif
116
117
118#if !defined(CTX_ARG)
119#define CTX_ARG
120#define CTX_VOID
121#define CTX_PRM
122#define CTX_VPRM
123#endif
124
125/*
126 * An optimization in a few performance-critical functions.
127 */
128#ifndef XFree86Server /* don't think we want this in DRI??? */
129#define SHORTCUT
130#endif
131
132
133
134#endif
Note: See TracBrowser for help on using the repository browser.