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