| 1 | # Copyright (c) 2001, Stanford University
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| 2 | # All rights reserved.
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| 3 | #
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| 4 | # See the file LICENSE.txt for information on redistributing this software.
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| 5 |
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| 6 |
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| 7 | from __future__ import print_function
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| 8 | import sys
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| 9 | import apiutil
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| 10 |
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| 11 |
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| 12 | keys = apiutil.GetDispatchedFunctions(sys.argv[1]+"/APIspec.txt")
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| 13 |
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| 14 | apiutil.CopyrightC()
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| 15 |
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| 16 | print("""
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| 17 | /* DO NOT EDIT - THIS FILE GENERATED BY THE glloader.py SCRIPT */
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| 18 | #include "cr_error.h"
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| 19 | #include "cr_dll.h"
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| 20 | #include "cr_spu.h"
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| 21 | #include "cr_string.h"
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| 22 | #include "cr_error.h"
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| 23 | #include "cr_environment.h"
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| 24 |
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| 25 | #include <stdio.h>
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| 26 | #if defined(WINDOWS)
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| 27 | # ifdef VBOX
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| 28 | # include <iprt/win/windows.h>
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| 29 | # else
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| 30 | #include <windows.h>
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| 31 | # endif
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| 32 | #include <process.h>
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| 33 | #include <direct.h>
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| 34 | #define SYSTEM_GL "opengl32.dll"
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| 35 | #elif defined (DARWIN)
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| 36 | #define SYSTEM_GL "libGL.dylib"
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| 37 | #define SYSTEM_CGL "OpenGL"
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| 38 | # ifndef VBOX_WITH_COCOA_QT
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| 39 | # define SYSTEM_AGL "AGL"
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| 40 | # endif
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| 41 | #include <string.h> /* VBOX */
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| 42 | #elif defined(IRIX) || defined(IRIX64) || defined(Linux) || defined(FreeBSD) || defined(AIX) || defined(SunOS) || defined(OSF1)
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| 43 | #include <string.h>
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| 44 | #if defined(AIX)
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| 45 | #define SYSTEM_GL "libGL.o"
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| 46 | #else
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| 47 | #define SYSTEM_GL "libGL.so.1"
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| 48 | #endif
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| 49 | typedef void (*glxfuncptr)(void);
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| 50 | extern glxfuncptr glxGetProcAddressARB( const GLubyte *name );
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| 51 | #else
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| 52 | #error I don't know where your system's GL lives. Too bad.
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| 53 | #endif
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| 54 |
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| 55 | static CRDLL *glDll = NULL;
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| 56 |
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| 57 | #ifdef DARWIN
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| 58 | #define SYSTEM_GL_LIB_DIR "/System/Library/Frameworks/OpenGL.framework/Libraries"
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| 59 | #define SYSTEM_CGL_DIR "/System/Library/Frameworks/OpenGL.framework"
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| 60 | static CRDLL *cglDll = NULL;
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| 61 | # ifndef VBOX_WITH_COCOA_QT
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| 62 | # define SYSTEM_AGL_DIR "/System/Library/Frameworks/AGL.framework"
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| 63 | static CRDLL *aglDll = NULL;
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| 64 | # endif
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| 65 | #endif
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| 66 |
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| 67 | #if defined(WINDOWS)
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| 68 | #define GLLOADER_APIENTRY __stdcall
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| 69 | #else
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| 70 | #define GLLOADER_APIENTRY
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| 71 | #endif
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| 72 |
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| 73 | /*
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| 74 | * Add an entry to the SPUNamedFunctionTable
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| 75 | */
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| 76 | static int
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| 77 | fillin(SPUNamedFunctionTable *entry, const char *funcName, SPUGenericFunction funcPtr)
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| 78 | {
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| 79 | if (funcPtr) {
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| 80 | entry->name = crStrdup(funcName);
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| 81 | entry->fn = funcPtr;
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| 82 | return 1;
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| 83 | }
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| 84 | return 0;
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| 85 | }
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| 86 |
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| 87 | #ifndef WINDOWS
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| 88 | /*static int FileExists(char *directory, char *filename)
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| 89 | {
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| 90 | FILE *f;
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| 91 | char fullFilename[8096];
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| 92 |
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| 93 | crStrcpy(fullFilename, directory);
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| 94 | crStrcat(fullFilename, "/");
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| 95 | crStrcat(fullFilename, filename);
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| 96 |
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| 97 | f = fopen(fullFilename, "r");
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| 98 | if (f) {
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| 99 | fclose(f);
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| 100 | return 1;
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| 101 | }
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| 102 | else {
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| 103 | return 0;
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| 104 | }
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| 105 | }*/
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| 106 | #endif
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| 107 |
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| 108 |
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| 109 | /*
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| 110 | * Locate the native OpenGL library, open it and return shared library
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| 111 | * handle.
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| 112 | */
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| 113 | static CRDLL *
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| 114 | __findSystemLib( const char *provided_system_path, char *lib )
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| 115 | {
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| 116 | CRDLL *dll;
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| 117 | char system_path[8096];
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| 118 |
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| 119 | memset(system_path, 0, sizeof(system_path));
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| 120 |
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| 121 | if (provided_system_path && (crStrlen(provided_system_path) > 0) )
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| 122 | {
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| 123 | crStrcpy( system_path, provided_system_path );
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| 124 | }
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| 125 | else
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| 126 | {
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| 127 | #if defined(WINDOWS)
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| 128 | GetSystemDirectory(system_path, MAX_PATH);
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| 129 | #elif defined(IRIX) || defined(IRIX64)
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| 130 | #ifdef IRIX_64BIT
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| 131 | crStrcpy( system_path, "/usr/lib64" );
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| 132 | #else
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| 133 | crStrcpy( system_path, "/usr/lib32" );
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| 134 | #endif
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| 135 | #elif defined(PLAYSTATION2)
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| 136 | crStrcpy( system_path, "/usr/X11R6/lib" );
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| 137 | #else
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| 138 | /* On RedHat 9, the correct default system directory
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| 139 | * is /usr/lib/tls/ (and if /usr/lib/ is used,
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| 140 | * the dynamic loader will generate a floating point
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| 141 | * exception SIGFPE). On other systems, including
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| 142 | * earlier versions of RedHat, the OpenGL library
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| 143 | * lives in /usr/lib. We'll use the /usr/lib/tls/
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| 144 | * version if it exists; otherwise, we'll use /usr/lib.
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| 145 | */
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| 146 | /*crStrcpy(system_path, "/usr/lib");*/
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| 147 | #if defined(__linux__) && defined(__amd64__)
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| 148 | /*if (sizeof(void *) == 8 && FileExists("/usr/lib64", lib)) {
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| 149 | crStrcat(system_path, "64");
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| 150 | }*/
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| 151 | #endif
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| 152 | /*if (FileExists("/usr/lib/tls", lib) ||
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| 153 | FileExists("/usr/lib64/tls", lib)) {
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| 154 | crStrcat(system_path, "/tls");
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| 155 | }*/
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| 156 | #endif
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| 157 | }
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| 158 | #if !defined(__linux__) && !defined(SunOS) && !defined(__FreeBSD__)
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| 159 | crStrcat( system_path, "/" );
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| 160 | #endif
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| 161 | #if !defined(CR_NO_GL_SYSTEM_PATH)
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| 162 | crStrcat( system_path, lib );
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| 163 | dll = crDLLOpen(system_path, 1 /*resolveGlobal*/);
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| 164 | #else
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| 165 | dll = crDLLOpen(lib, 1 /*resolveGlobal*/);
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| 166 | #endif
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| 167 | return dll;
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| 168 | }
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| 169 |
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| 170 |
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| 171 | static CRDLL *
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| 172 | #ifdef DARWIN
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| 173 | __findSystemGL( const char *provided_system_path, const char *default_system_path, char *provided_lib_name )
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| 174 | #else
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| 175 | __findSystemGL( const char *provided_system_path )
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| 176 | #endif
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| 177 | {
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| 178 | #ifdef DARWIN
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| 179 | const char *the_path = (provided_system_path && crStrlen(provided_system_path) > 0) ? provided_system_path : default_system_path;
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| 180 |
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| 181 | /* Fallback for loading frameworks */
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| 182 | if( !provided_lib_name )
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| 183 | return crDLLOpen( the_path, 1 );
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| 184 | else
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| 185 | return __findSystemLib( the_path, provided_lib_name );
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| 186 | #else
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| 187 | return __findSystemLib( provided_system_path, SYSTEM_GL );
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| 188 | #endif
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| 189 | }
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| 190 |
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| 191 | static SPUGenericFunction
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| 192 | findExtFunction( const crOpenGLInterface *interface, const char *funcName )
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| 193 | {
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| 194 | #ifdef WINDOWS
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| 195 | if (interface->wglGetProcAddress)
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| 196 | return (SPUGenericFunction) interface->wglGetProcAddress( funcName );
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| 197 | else
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| 198 | return (SPUGenericFunction) NULL;
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| 199 | #else
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| 200 | /* XXX for some reason, the NVIDIA glXGetProcAddressARB() function
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| 201 | * returns pointers that cause Chromium to crash. If we use the
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| 202 | * pointer returned by crDLLGetNoError() instead, we're OK.
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| 203 | */
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| 204 | SPUGenericFunction f = crDLLGetNoError(glDll, funcName);
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| 205 | if (f)
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| 206 | return f;
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| 207 | #if !defined(DARWIN)
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| 208 | else if (interface->glXGetProcAddressARB)
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| 209 | return interface->glXGetProcAddressARB( (const GLubyte *) funcName );
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| 210 | #endif
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| 211 | else
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| 212 | return NULL;
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| 213 | #endif
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| 214 | }
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| 215 | """)
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| 216 |
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| 217 |
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| 218 | def IsExtensionFunc(func_name):
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| 219 | """Determine if the named function is a core function, or extension."""
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| 220 | cat = apiutil.Category(func_name)
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| 221 | if cat == "1.0" or cat == "1.1" or cat == "1.2" or cat == "1.3":
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| 222 | return 0
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| 223 | else:
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| 224 | return 1
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| 225 |
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| 226 | #
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| 227 | # Generate a no-op function.
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| 228 | #
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| 229 | def GenerateNop(func_name):
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| 230 | return_type = apiutil.ReturnType(func_name);
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| 231 | params = apiutil.Parameters(func_name)
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| 232 | print('static %s GLLOADER_APIENTRY Nop%s(%s)' % (return_type, func_name, apiutil.MakeDeclarationString(params)))
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| 233 | print('{')
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| 234 | for (name, type, vecSize) in params:
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| 235 | if name != "":
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| 236 | print('\t(void) %s;' % name)
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| 237 | if apiutil.ReturnType(func_name) != 'void':
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| 238 | print('\treturn 0;')
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| 239 | print('}')
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| 240 | print('')
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| 241 |
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| 242 |
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| 243 |
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| 244 | #
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| 245 | # Make no-op funcs for all OpenGL extension functions
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| 246 | #
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| 247 | for func_name in keys:
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| 248 | if IsExtensionFunc(func_name):
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| 249 | GenerateNop(func_name)
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| 250 |
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| 251 |
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| 252 | #
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| 253 | # Generate the crLoadOpenGL() function
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| 254 | #
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| 255 | print("""
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| 256 | void
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| 257 | crUnloadOpenGL( void )
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| 258 | {
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| 259 | crDLLClose( glDll );
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| 260 | glDll = NULL;
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| 261 |
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| 262 | #ifdef DARWIN
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| 263 | crDLLClose( cglDll );
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| 264 | cglDll = NULL;
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| 265 |
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| 266 | # ifndef VBOX_WITH_COCOA_QT
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| 267 | crDLLClose( aglDll );
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| 268 | aglDll = NULL;
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| 269 | # endif
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| 270 | #endif
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| 271 | }
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| 272 |
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| 273 | /*
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| 274 | * Initialize the 'interface' structure with the WGL or GLX window system
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| 275 | * interface functions.
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| 276 | * Then, fill in the table with (name, pointer) pairs for all the core
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| 277 | * OpenGL entrypoint functions. But only if table is not NULL
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| 278 | * Return: number of entries placed in table[], or 0 if error.
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| 279 | */
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| 280 | int
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| 281 | crLoadOpenGL( crOpenGLInterface *interface, SPUNamedFunctionTable table[] )
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| 282 | {
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| 283 | static const char *coreFunctions[] = {
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| 284 | """)
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| 285 |
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| 286 | for func_name in keys:
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| 287 | if not IsExtensionFunc(func_name):
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| 288 | print('\t\t"gl%s",' % func_name)
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| 289 |
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| 290 | print("""
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| 291 | NULL
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| 292 | };
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| 293 | SPUNamedFunctionTable *entry = table;
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| 294 | int i;
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| 295 |
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| 296 | const char *env_syspath = crGetenv( "CR_SYSTEM_GL_PATH" );
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| 297 | #ifdef DARWIN
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| 298 | const char *env_cgl_syspath = crGetenv( "CR_SYSTEM_CGL_PATH" );
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| 299 | # ifndef VBOX_WITH_COCOA_QT
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| 300 | const char *env_agl_syspath = crGetenv( "CR_SYSTEM_AGL_PATH" );
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| 301 | # endif
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| 302 | #endif
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| 303 |
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| 304 | crDebug( "Looking for the system's OpenGL library..." );
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| 305 | #ifdef DARWIN
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| 306 | glDll = __findSystemGL( env_syspath, SYSTEM_GL_LIB_DIR, SYSTEM_GL );
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| 307 | #else
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| 308 | glDll = __findSystemGL( env_syspath );
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| 309 | #endif
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| 310 | if (!glDll)
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| 311 | {
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| 312 | crError("Unable to find system OpenGL!");
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| 313 | return 0;
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| 314 | }
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| 315 |
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| 316 | crDebug( "Found it in %s.", !env_syspath ? "default path" : env_syspath );
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| 317 |
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| 318 | #ifdef DARWIN
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| 319 | crDebug( "Looking for the system's CGL library..." );
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| 320 | cglDll = __findSystemGL( env_cgl_syspath, SYSTEM_CGL_DIR, SYSTEM_CGL );
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| 321 | if (!cglDll)
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| 322 | {
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| 323 | crError("Unable to find system CGL!");
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| 324 | return 0;
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| 325 | }
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| 326 |
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| 327 | crDebug( "Found it in %s.", !env_cgl_syspath ? "default path" : env_cgl_syspath );
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| 328 |
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| 329 | # ifndef VBOX_WITH_COCOA_QT
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| 330 | crDebug( "Looking for the system's AGL library..." );
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| 331 | aglDll = __findSystemGL( env_agl_syspath, SYSTEM_AGL_DIR, SYSTEM_AGL );
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| 332 | if (!aglDll)
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| 333 | {
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| 334 | crError("Unable to find system AGL!");
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| 335 | return 0;
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| 336 | }
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| 337 |
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| 338 | crDebug( "Found it in %s.", !env_agl_syspath ? "default path" : env_agl_syspath );
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| 339 | # endif
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| 340 | #endif
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| 341 | """)
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| 342 |
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| 343 | useful_wgl_functions = [
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| 344 | "wglGetProcAddress",
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| 345 | "wglMakeCurrent",
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| 346 | "wglSwapBuffers",
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| 347 | "wglCreateContext",
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| 348 | "wglDeleteContext",
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| 349 | "wglShareLists",
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| 350 | "wglGetCurrentContext",
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| 351 | "wglChoosePixelFormat",
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| 352 | "wglDescribePixelFormat",
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| 353 | "wglSetPixelFormat",
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| 354 | "wglChoosePixelFormatEXT",
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| 355 | "wglGetPixelFormatAttribivEXT",
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| 356 | "wglGetPixelFormatAttribfvEXT",
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| 357 | "glGetString"
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| 358 | ]
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| 359 | useful_agl_functions = [
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| 360 | "aglCreateContext",
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| 361 | "aglDestroyContext",
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| 362 | "aglSetCurrentContext",
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| 363 | "aglSwapBuffers",
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| 364 | "aglChoosePixelFormat",
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| 365 | "aglDestroyPixelFormat",
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| 366 | "aglDescribePixelFormat",
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| 367 | "aglGetCurrentContext",
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| 368 | "aglSetDrawable",
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| 369 | "aglGetDrawable",
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| 370 | "aglSetFullScreen",
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| 371 | "aglUpdateContext",
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| 372 | "aglUseFont",
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| 373 | "aglSetInteger",
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| 374 | "aglGetInteger",
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| 375 | "aglGetError",
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| 376 | "aglEnable",
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| 377 | "aglDisable"
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| 378 | ]
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| 379 | in_gl_functions = [
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| 380 | "CGLGetCurrentContext",
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| 381 | "CGLSetCurrentContext"
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| 382 | ]
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| 383 | useful_cgl_functions = [
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| 384 | "CGLChoosePixelFormat",
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| 385 | "CGLDestroyPixelFormat",
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| 386 | "CGLDescribePixelFormat",
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| 387 | "CGLQueryRendererInfo",
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| 388 | "CGLDestroyRendererInfo",
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| 389 | "CGLDescribeRenderer",
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| 390 | "CGLCreateContext",
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| 391 | "CGLDestroyContext",
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| 392 | "CGLCopyContext",
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| 393 | "CGLCreatePBuffer",
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| 394 | "CGLDestroyPBuffer",
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| 395 | "CGLDescribePBuffer",
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| 396 | "CGLTexImagePBuffer",
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| 397 | "CGLSetOffScreen",
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| 398 | "CGLGetOffScreen",
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| 399 | "CGLSetFullScreen",
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| 400 | "CGLSetPBuffer",
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| 401 | "CGLGetPBuffer",
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| 402 | "CGLClearDrawable",
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| 403 | "CGLFlushDrawable",
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| 404 | "CGLEnable",
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| 405 | "CGLDisable",
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| 406 | "CGLIsEnabled",
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| 407 | "CGLSetParameter",
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| 408 | "CGLGetParameter",
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| 409 | "CGLSetVirtualScreen",
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| 410 | "CGLGetVirtualScreen",
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| 411 | "CGLSetOption",
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| 412 | "CGLGetOption",
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| 413 | "CGLGetVersion",
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| 414 | "CGLErrorString",
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| 415 | "CGLSetSurface",
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| 416 | "CGLGetSurface",
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| 417 | "CGLUpdateContext",
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| 418 | "glGetString"
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| 419 | ]
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| 420 | useful_glx_functions = [
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| 421 | "glXGetConfig",
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| 422 | "glXQueryExtension",
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| 423 | "glXQueryVersion",
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| 424 | "glXQueryExtensionsString",
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| 425 | "glXChooseVisual",
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| 426 | "glXCreateContext",
|
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| 427 | "glXDestroyContext",
|
|---|
| 428 | "glXUseXFont",
|
|---|
| 429 | "glXIsDirect",
|
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| 430 | "glXMakeCurrent",
|
|---|
| 431 | "glGetString",
|
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| 432 | "glXSwapBuffers",
|
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| 433 | "glXGetCurrentDisplay",
|
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| 434 | "glXGetCurrentContext",
|
|---|
| 435 | "glXGetClientString",
|
|---|
| 436 | "glXWaitGL",
|
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| 437 | "glXWaitX",
|
|---|
| 438 | "glXCopyContext"
|
|---|
| 439 | ]
|
|---|
| 440 | possibly_useful_glx_functions = [
|
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| 441 | "glXGetProcAddressARB",
|
|---|
| 442 | "glXJoinSwapGroupNV",
|
|---|
| 443 | "glXBindSwapBarrierNV",
|
|---|
| 444 | "glXQuerySwapGroupNV",
|
|---|
| 445 | "glXQueryMaxSwapGroupsNV",
|
|---|
| 446 | "glXQueryFrameCountNV",
|
|---|
| 447 | "glXResetFrameCountNV",
|
|---|
| 448 | "glXChooseFBConfig",
|
|---|
| 449 | "glXGetFBConfigs",
|
|---|
| 450 | "glXGetFBConfigAttrib",
|
|---|
| 451 | "glXGetVisualFromFBConfig",
|
|---|
| 452 | "glXCreateNewContext",
|
|---|
| 453 | "glXCreatePbuffer",
|
|---|
| 454 | "glXDestroyPbuffer",
|
|---|
| 455 | "glXQueryContext",
|
|---|
| 456 | "glXQueryDrawable",
|
|---|
| 457 | "glXMakeContextCurrent",
|
|---|
| 458 | "glXCreateWindow",
|
|---|
| 459 | "glXGetVisualFromFBConfig",
|
|---|
| 460 | ]
|
|---|
| 461 |
|
|---|
| 462 | print('#ifdef WINDOWS')
|
|---|
| 463 |
|
|---|
| 464 | for fun in useful_wgl_functions:
|
|---|
| 465 | print('\tinterface->%s = (%sFunc_t) crDLLGetNoError(glDll, "%s");' % (fun,fun,fun))
|
|---|
| 466 |
|
|---|
| 467 | print('#elif defined(DARWIN)')
|
|---|
| 468 | print('# ifndef VBOX_WITH_COCOA_QT')
|
|---|
| 469 | for fun in useful_agl_functions:
|
|---|
| 470 | print('\tinterface->%s = (%sFunc_t) crDLLGetNoError(aglDll, "%s");' % (fun,fun,fun))
|
|---|
| 471 | print('# endif')
|
|---|
| 472 |
|
|---|
| 473 | for fun in useful_cgl_functions:
|
|---|
| 474 | print('\tinterface->%s = (%sFunc_t) crDLLGetNoError(cglDll, "%s");' % (fun, fun,fun))
|
|---|
| 475 |
|
|---|
| 476 | for fun in in_gl_functions:
|
|---|
| 477 | print('\tinterface->%s = (%sFunc_t) crDLLGetNoError(glDll, "%s");' % (fun, fun,fun))
|
|---|
| 478 |
|
|---|
| 479 | print('#else')
|
|---|
| 480 | print('\t/* GLX */')
|
|---|
| 481 |
|
|---|
| 482 | # XXX merge these loops?
|
|---|
| 483 | for fun in useful_glx_functions:
|
|---|
| 484 | print('\tinterface->%s = (%sFunc_t) crDLLGetNoError(glDll, "%s");' % (fun, fun, fun))
|
|---|
| 485 | for fun in possibly_useful_glx_functions:
|
|---|
| 486 | print('\tinterface->%s = (%sFunc_t) crDLLGetNoError(glDll, "%s");' % (fun, fun, fun))
|
|---|
| 487 | print('#endif')
|
|---|
| 488 |
|
|---|
| 489 | print("""
|
|---|
| 490 | if (!entry)
|
|---|
| 491 | return 1; /* token value */
|
|---|
| 492 |
|
|---|
| 493 | for (i = 0; coreFunctions[i]; i++) {
|
|---|
| 494 | const char *name = coreFunctions[i];
|
|---|
| 495 | if (fillin(entry, name + 2, crDLLGetNoError(glDll, name)))
|
|---|
| 496 | entry++;
|
|---|
| 497 | else
|
|---|
| 498 | crDebug("glLoader: NULL function %s", name);
|
|---|
| 499 | }
|
|---|
| 500 |
|
|---|
| 501 | /* end of table markers */
|
|---|
| 502 | entry->name = NULL;
|
|---|
| 503 | entry->fn = NULL;
|
|---|
| 504 | return entry - table; /* number of entries filled */
|
|---|
| 505 | }
|
|---|
| 506 |
|
|---|
| 507 |
|
|---|
| 508 | /*
|
|---|
| 509 | * Fill in table[] with all the OpenGL extension functions that we're
|
|---|
| 510 | * interested in.
|
|---|
| 511 | */
|
|---|
| 512 | int
|
|---|
| 513 | crLoadOpenGLExtensions( const crOpenGLInterface *interface, SPUNamedFunctionTable table[] )
|
|---|
| 514 | {
|
|---|
| 515 | struct extfunc {
|
|---|
| 516 | const char *funcName;""")
|
|---|
| 517 | max_aliases = apiutil.ReverseAliasesMaxCount()
|
|---|
| 518 | for i in range(1, 1 + max_aliases):
|
|---|
| 519 | print("\t\tconst char *aliasName%d;" % i)
|
|---|
| 520 | print(""" SPUGenericFunction nopFunction;
|
|---|
| 521 | };
|
|---|
| 522 | static const struct extfunc functions[] = {
|
|---|
| 523 | """)
|
|---|
| 524 |
|
|---|
| 525 | for func_name in keys:
|
|---|
| 526 | if IsExtensionFunc(func_name):
|
|---|
| 527 | if apiutil.Category(func_name) == "Chromium":
|
|---|
| 528 | prefix = "cr"
|
|---|
| 529 | else:
|
|---|
| 530 | prefix = "gl"
|
|---|
| 531 | s = '\t\t{ "' + prefix + func_name + '"'
|
|---|
| 532 | aliases = apiutil.ReverseAliases(func_name)
|
|---|
| 533 | s += ''.join([', "' + prefix + a + '"' for a in aliases]) + ', NULL' * (max_aliases - len(aliases))
|
|---|
| 534 | s += ', (SPUGenericFunction) Nop' + func_name + ' },'
|
|---|
| 535 | print(s)
|
|---|
| 536 |
|
|---|
| 537 | print('\t\t{ NULL%s, NULL}' % (', NULL' * max_aliases))
|
|---|
| 538 | print("""
|
|---|
| 539 | };
|
|---|
| 540 | const struct extfunc *func;
|
|---|
| 541 | SPUNamedFunctionTable *entry = table;
|
|---|
| 542 |
|
|---|
| 543 | #ifdef WINDOWS
|
|---|
| 544 | if (interface->wglGetProcAddress == NULL)
|
|---|
| 545 | crWarning("Unable to find wglGetProcAddress() in system GL library");
|
|---|
| 546 | #elif !defined(DARWIN)
|
|---|
| 547 | if (interface->glXGetProcAddressARB == NULL)
|
|---|
| 548 | crWarning("Unable to find glXGetProcAddressARB() in system GL library");
|
|---|
| 549 | #endif
|
|---|
| 550 |
|
|---|
| 551 | for (func = functions; func->funcName; func++) {
|
|---|
| 552 | SPUGenericFunction f = findExtFunction(interface, func->funcName);""")
|
|---|
| 553 | for i in range(1, 1 + max_aliases):
|
|---|
| 554 | print(""" if (!f && func->aliasName%d) {
|
|---|
| 555 | f = findExtFunction(interface, func->aliasName%d);
|
|---|
| 556 | }"""% (i, i))
|
|---|
| 557 | print(""" if (!f) {
|
|---|
| 558 | f = func->nopFunction;
|
|---|
| 559 | }
|
|---|
| 560 | (void) fillin(entry, func->funcName + 2 , f); /* +2 to skip "gl" */
|
|---|
| 561 | entry++;
|
|---|
| 562 | }
|
|---|
| 563 |
|
|---|
| 564 | /* end of list */
|
|---|
| 565 | entry->name = NULL;
|
|---|
| 566 | entry->fn = NULL;
|
|---|
| 567 | return entry - table; /* number of entries filled */
|
|---|
| 568 | }
|
|---|
| 569 | """)
|
|---|
| 570 |
|
|---|
| 571 |
|
|---|
| 572 | print("""
|
|---|
| 573 |
|
|---|
| 574 | #ifdef USE_OSMESA
|
|---|
| 575 | int crLoadOSMesa( OSMesaContext (**createContext)( GLenum format, OSMesaContext sharelist ),
|
|---|
| 576 | GLboolean (**makeCurrent)( OSMesaContext ctx, GLubyte *buffer,
|
|---|
| 577 | GLenum type, GLsizei width, GLsizei height ),
|
|---|
| 578 | void (**destroyContext)( OSMesaContext ctx ))
|
|---|
| 579 | {
|
|---|
| 580 | static CRDLL *osMesaDll = NULL;
|
|---|
| 581 |
|
|---|
| 582 | const char *env_syspath = crGetenv( "CR_SYSTEM_GL_PATH" );
|
|---|
| 583 |
|
|---|
| 584 | crDebug( "Looking for the system's OSMesa library..." );
|
|---|
| 585 | osMesaDll = __findSystemLib( env_syspath, "libOSMesa.so" );
|
|---|
| 586 | if (!osMesaDll)
|
|---|
| 587 | {
|
|---|
| 588 | crError("Unable to find system OSMesa!");
|
|---|
| 589 | return 0;
|
|---|
| 590 | }
|
|---|
| 591 |
|
|---|
| 592 | crDebug( "Found it in %s.", !env_syspath ? "default path" : env_syspath );
|
|---|
| 593 |
|
|---|
| 594 | *createContext = (OSMesaContext (*) ( GLenum format, OSMesaContext sharelist ))
|
|---|
| 595 | crDLLGetNoError(osMesaDll, "OSMesaCreateContext");
|
|---|
| 596 |
|
|---|
| 597 | *makeCurrent = (GLboolean (*) ( OSMesaContext ctx, GLubyte *buffer,
|
|---|
| 598 | GLenum type, GLsizei width, GLsizei height ))
|
|---|
| 599 | crDLLGetNoError(osMesaDll, "OSMesaMakeCurrent");
|
|---|
| 600 |
|
|---|
| 601 | *destroyContext = (void (*) ( OSMesaContext ctx))
|
|---|
| 602 | crDLLGetNoError(osMesaDll, "OSMesaDestroyContext");
|
|---|
| 603 |
|
|---|
| 604 | return 1;
|
|---|
| 605 | }
|
|---|
| 606 | #endif
|
|---|
| 607 |
|
|---|
| 608 | """)
|
|---|
| 609 |
|
|---|
