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added binary compatibility for the single pipe version (through global variables) -- GLEW_MX is not a compilation switch

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git-svn-id: https://glew.svn.sourceforge.net/svnroot/glew/trunk/glew@227 783a27ee-832a-0410-bc00-9f386506c6dd
This commit is contained in:
ikits 2004-02-19 04:37:07 +00:00
parent 5b254ad20a
commit 4d82054139
14 changed files with 163 additions and 117 deletions
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10
auto/Makefile
View File

@ -62,7 +62,7 @@ $(I.DEST)/glew.h: $(EXT)/.dummy
$(BIN)/make_header.pl GLAPIENTRY GL $(CORE)/GL_VERSION* >> $@ $(BIN)/make_header.pl GLAPIENTRY GL $(CORE)/GL_VERSION* >> $@
$(BIN)/make_header.pl GLAPIENTRY GL $(EXT)/GL_* >> $@ $(BIN)/make_header.pl GLAPIENTRY GL $(EXT)/GL_* >> $@
$(BIN)/make_struct.pl GL $(CORE)/GL_VERSION* $(EXT)/GL_* >> $@ $(BIN)/make_struct.pl GL $(CORE)/GL_VERSION* $(EXT)/GL_* >> $@
perl -e 's/ GLboolean __GLEW_VERSION_1_2;/ GLboolean __GLEW_VERSION_1_1;\n GLboolean __GLEW_VERSION_1_2;/' -pi.bak $@ perl -e 's/GLEW_EXPORT GLboolean __GLEW_VERSION_1_2;/GLEW_EXPORT GLboolean __GLEW_VERSION_1_1;\nGLEW_EXPORT GLboolean __GLEW_VERSION_1_2;/' -pi.bak $@
rm -f $@.bak rm -f $@.bak
cat $(SRC)/glew_post.h >> $@ cat $(SRC)/glew_post.h >> $@
@ -83,6 +83,14 @@ $(I.DEST)/glxew.h: $(EXT)/.dummy
$(S.DEST)/glew.c: $(EXT)/.dummy $(S.DEST)/glew.c: $(EXT)/.dummy
cp -f $(SRC)/glew_pre.c $@ cp -f $(SRC)/glew_pre.c $@
$(BIN)/make_struct_def.pl GL $(CORE)/GL_VERSION* $(EXT)/GL_* >> $@
echo -e "\n#endif /* !_WIN32 || !GLEW_MX */\n" >> $@
echo -e "#if defined(_WIN32) && !defined(GLEW_MX)" >> $@
$(BIN)/make_struct_def.pl WGL $(EXT)/WGL_* >> $@
echo -e "\n#endif /* _WIN32 && !GLEW_MX */\n" >> $@
echo -e "#if !(defined(_WIN32) || (defined(__APPLE__) && !defined(GLEW_APPLE_GLX)))" >> $@
$(BIN)/make_struct_def.pl GLX $(EXT)/GLX_* >> $@
echo -e "\n#endif /* !_WIN32 */\n" >> $@
$(BIN)/make_init.pl GL $(CORE)/GL_VERSION* >> $@ $(BIN)/make_init.pl GL $(CORE)/GL_VERSION* >> $@
$(BIN)/make_init.pl GL $(EXT)/GL_* >> $@ $(BIN)/make_init.pl GL $(EXT)/GL_* >> $@
echo -e "#ifdef _WIN32\n" >> $@ echo -e "#ifdef _WIN32\n" >> $@

11
auto/bin/make_header.pl
View File

@ -37,13 +37,7 @@ sub make_pfn_type($%)
sub make_pfn_alias($%) sub make_pfn_alias($%)
{ {
our $type; our $type;
return join(" ", "#define", $_[0], $type . "EW_GET_CONTEXT(" . prefixname($_[0]) . ")") return join(" ", "#define", $_[0], $type . "EW_GET_FUN(" . prefixname($_[0]) . ")")
}
# function pointer declaration
sub make_pfn_decl($%)
{
return "GLEWAPI PFN" . (uc $_[0]) . "PROC " . prefixname($_[0]) . ";";
} }
my @extlist = (); my @extlist = ();
@ -70,12 +64,11 @@ foreach my $ext (sort @extlist)
output_types($types, \&make_type); output_types($types, \&make_type);
output_exacts($exacts, \&make_exact); output_exacts($exacts, \&make_exact);
output_decls($functions, \&make_pfn_type); output_decls($functions, \&make_pfn_type);
#output_decls($functions, \&make_pfn_decl);
output_decls($functions, \&make_pfn_alias); output_decls($functions, \&make_pfn_alias);
my $extvar = $extname; my $extvar = $extname;
$extvar =~ s/GL(X*)_/GL$1EW_/; $extvar =~ s/GL(X*)_/GL$1EW_/;
print "\n#define $extvar " . $type . "EW_GET_CONTEXT(" . prefix_varname($extvar) . ")\n"; print "\n#define $extvar " . $type . "EW_GET_VAR(" . prefix_varname($extvar) . ")\n";
print "\n#endif /* $extname */\n\n"; print "\n#endif /* $extname */\n\n";
} }

14
auto/bin/make_init.pl
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@ -12,16 +12,16 @@ use warnings;
do 'bin/make.pl'; do 'bin/make.pl';
#--------------------------------------------------------------------------------------- #-------------------------------------------------------------------------------
# function pointer definition # function pointer definition
sub make_pfn_def_init($%) sub make_pfn_def_init($%)
{ {
my $name = prefixname($_[0]); #my $name = prefixname($_[0]);
return " r = ((ctx->" . $name . " = (PFN" . (uc $_[0]) . "PROC)glewGetProcAddress((const GLubyte*)\"" . $_[0] . "\")) == NULL) || r;"; return " r = ((" . $_[0] . " = (PFN" . (uc $_[0]) . "PROC)glewGetProcAddress((const GLubyte*)\"" . $_[0] . "\")) == NULL) || r;";
} }
#--------------------------------------------------------------------------------------- #-------------------------------------------------------------------------------
my @extlist = (); my @extlist = ();
my %extensions = (); my %extensions = ();
@ -38,7 +38,8 @@ if (@ARGV)
foreach my $ext (sort @extlist) foreach my $ext (sort @extlist)
{ {
my ($extname, $exturl, $types, $tokens, $functions, $exacts) = parse_ext($ext); my ($extname, $exturl, $types, $tokens, $functions, $exacts) =
parse_ext($ext);
make_separator($extname); make_separator($extname);
print "#ifdef $extname\n\n"; print "#ifdef $extname\n\n";
@ -47,7 +48,8 @@ foreach my $ext (sort @extlist)
$extvar =~ s/GL(X*)_/GL$1EW_/; $extvar =~ s/GL(X*)_/GL$1EW_/;
if (keys %$functions) if (keys %$functions)
{ {
print "static GLboolean _glewInit_$extname (" . $type . "EWContext* ctx)\n{\n GLboolean r = GL_FALSE;\n"; print "static GLboolean _glewInit_$extname (" . $type .
"EWContext* ctx)\n{\n GLboolean r = GL_FALSE;\n";
output_decls($functions, \&make_pfn_def_init); output_decls($functions, \&make_pfn_def_init);
print "\n return r;\n}\n"; print "\n return r;\n}\n";
} }

10
auto/bin/make_list.pl
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@ -18,7 +18,7 @@ do 'bin/make.pl';
sub make_init_call($%) sub make_init_call($%)
{ {
my $name = prefixname($_[0]); my $name = prefixname($_[0]);
return " r = r || (ctx->" . $name . " = (PFN" . (uc $_[0]) . "PROC)glewGetProcAddress(\"" . $name . "\")) == NULL;"; return " r = r || (" . $_[0] . " = (PFN" . (uc $_[0]) . "PROC)glewGetProcAddress(\"" . $name . "\")) == NULL;";
} }
#--------------------------------------------------------------------------------------- #---------------------------------------------------------------------------------------
@ -44,19 +44,19 @@ foreach my $ext (sort @extlist)
my $extpre = $extname; my $extpre = $extname;
$extpre =~ s/^(W?)GL(X?).*$/\l$1gl\l$2ew/; $extpre =~ s/^(W?)GL(X?).*$/\l$1gl\l$2ew/;
my $pextvar = prefix_varname($extvar); #my $pextvar = prefix_varname($extvar);
print "#ifdef $extname\n"; print "#ifdef $extname\n";
print " ctx->" . $pextvar . "= " . $extpre . "GetExtension(\"$extname\");\n"; print " " . $extvar . "= " . $extpre . "GetExtension(\"$extname\");\n";
if (keys %$functions) if (keys %$functions)
{ {
if ($extname =~ /WGL_.*/) if ($extname =~ /WGL_.*/)
{ {
print " if (glewExperimental || ctx->" . $pextvar . "|| crippled) ctx->" . $pextvar . "= !_glewInit_$extname(ctx);\n"; print " if (glewExperimental || " . $extvar . "|| crippled) " . $extvar . "= !_glewInit_$extname(ctx);\n";
} }
else else
{ {
print " if (glewExperimental || ctx->" . $pextvar . ") ctx->" . $pextvar . " = !_glewInit_$extname(ctx);\n"; print " if (glewExperimental || " . $extvar . ") " . $extvar . " = !_glewInit_$extname(ctx);\n";
} }
} }
print "#endif /* $extname */\n"; print "#endif /* $extname */\n";

21
auto/bin/make_struct.pl
View File

@ -15,7 +15,7 @@ do 'bin/make.pl';
# function pointer declaration # function pointer declaration
sub make_pfn_decl($%) sub make_pfn_decl($%)
{ {
return " PFN" . (uc $_[0]) . "PROC " . prefixname($_[0]) . ";"; return "GLEW_EXPORT PFN" . (uc $_[0]) . "PROC " . prefixname($_[0]) . ";";
} }
my @extlist = (); my @extlist = ();
@ -32,7 +32,14 @@ if (@ARGV)
} }
print "/* ------------------------------------------------------------------------- */\n\n"; print "/* ------------------------------------------------------------------------- */\n\n";
print "struct " . $type . "EWContextStruct\n{"; print "#ifdef GLEW_MX\n";
print "#define GLEW_EXPORT\n";
print "#else\n";
print "#define GLEW_EXPORT GLEWAPI\n";
print "#endif /* GLEW_MX */\n\n";
print "#if defined(GLEW_MX) && defined(_WIN32)\n";
print "struct " . $type . "EWContextStruct\n{\n";
print "#endif /* GLEW_MX */\n";
foreach my $ext (sort @extlist) foreach my $ext (sort @extlist)
{ {
@ -40,14 +47,18 @@ foreach my $ext (sort @extlist)
output_decls($functions, \&make_pfn_decl); output_decls($functions, \&make_pfn_decl);
} }
print "\n"; print "\n#if defined(GLEW_MX) && !defined(_WIN32)\n";
print "struct " . $type . "EWContextStruct\n{\n";
print "#endif /* GLEW_MX */\n\n";
foreach my $ext (sort @extlist) foreach my $ext (sort @extlist)
{ {
my ($extname, $exturl, $types, $tokens, $functions, $exacts) = parse_ext($ext); my ($extname, $exturl, $types, $tokens, $functions, $exacts) = parse_ext($ext);
my $extvar = $extname; my $extvar = $extname;
$extvar =~ s/GL(X*)_/GL$1EW_/; $extvar =~ s/GL(X*)_/GL$1EW_/;
print " GLboolean " . prefix_varname($extvar) . ";\n"; print "GLEW_EXPORT GLboolean " . prefix_varname($extvar) . ";\n";
} }
print "\n}; /* " . $type . "EWContextStruct */\n\n"; print "\n#ifdef GLEW_MX\n";
print "}; /* " . $type . "EWContextStruct */\n";
print "#endif /* GLEW_MX */\n\n";

53
auto/src/glew_gl.c
View File

@ -51,6 +51,9 @@ GLboolean glewGetExtension (const char* name)
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
#ifndef GLEW_MX
static
#endif
GLenum glewContextInit (GLEWContext* ctx) GLenum glewContextInit (GLEWContext* ctx)
{ {
const GLubyte* s; const GLubyte* s;
@ -67,43 +70,43 @@ GLenum glewContextInit (GLEWContext* ctx)
{ {
if (s[3] >= '5') if (s[3] >= '5')
{ {
ctx->__GLEW_VERSION_1_1 = GL_TRUE; GLEW_VERSION_1_1 = GL_TRUE;
ctx->__GLEW_VERSION_1_2 = GL_TRUE; GLEW_VERSION_1_2 = GL_TRUE;
ctx->__GLEW_VERSION_1_3 = GL_TRUE; GLEW_VERSION_1_3 = GL_TRUE;
ctx->__GLEW_VERSION_1_4 = GL_TRUE; GLEW_VERSION_1_4 = GL_TRUE;
ctx->__GLEW_VERSION_1_5 = GL_TRUE; GLEW_VERSION_1_5 = GL_TRUE;
} }
if (s[2] == '4') if (s[2] == '4')
{ {
ctx->__GLEW_VERSION_1_1 = GL_TRUE; GLEW_VERSION_1_1 = GL_TRUE;
ctx->__GLEW_VERSION_1_2 = GL_TRUE; GLEW_VERSION_1_2 = GL_TRUE;
ctx->__GLEW_VERSION_1_3 = GL_TRUE; GLEW_VERSION_1_3 = GL_TRUE;
ctx->__GLEW_VERSION_1_4 = GL_TRUE; GLEW_VERSION_1_4 = GL_TRUE;
ctx->__GLEW_VERSION_1_5 = GL_FALSE; GLEW_VERSION_1_5 = GL_FALSE;
} }
if (s[2] == '3') if (s[2] == '3')
{ {
ctx->__GLEW_VERSION_1_1 = GL_TRUE; GLEW_VERSION_1_1 = GL_TRUE;
ctx->__GLEW_VERSION_1_2 = GL_TRUE; GLEW_VERSION_1_2 = GL_TRUE;
ctx->__GLEW_VERSION_1_3 = GL_TRUE; GLEW_VERSION_1_3 = GL_TRUE;
ctx->__GLEW_VERSION_1_4 = GL_FALSE; GLEW_VERSION_1_4 = GL_FALSE;
ctx->__GLEW_VERSION_1_5 = GL_FALSE; GLEW_VERSION_1_5 = GL_FALSE;
} }
if (s[2] == '2') if (s[2] == '2')
{ {
ctx->__GLEW_VERSION_1_1 = GL_TRUE; GLEW_VERSION_1_1 = GL_TRUE;
ctx->__GLEW_VERSION_1_2 = GL_TRUE; GLEW_VERSION_1_2 = GL_TRUE;
ctx->__GLEW_VERSION_1_3 = GL_FALSE; GLEW_VERSION_1_3 = GL_FALSE;
ctx->__GLEW_VERSION_1_4 = GL_FALSE; GLEW_VERSION_1_4 = GL_FALSE;
ctx->__GLEW_VERSION_1_5 = GL_FALSE; GLEW_VERSION_1_5 = GL_FALSE;
} }
if (s[2] < '2') if (s[2] < '2')
{ {
ctx->__GLEW_VERSION_1_1 = GL_TRUE; GLEW_VERSION_1_1 = GL_TRUE;
ctx->__GLEW_VERSION_1_2 = GL_FALSE; GLEW_VERSION_1_2 = GL_FALSE;
ctx->__GLEW_VERSION_1_3 = GL_FALSE; GLEW_VERSION_1_3 = GL_FALSE;
ctx->__GLEW_VERSION_1_4 = GL_FALSE; GLEW_VERSION_1_4 = GL_FALSE;
ctx->__GLEW_VERSION_1_5 = GL_FALSE; GLEW_VERSION_1_5 = GL_FALSE;
} }
} }
/* initialize extensions */ /* initialize extensions */

29
auto/src/glew_glx.c
View File

@ -8,8 +8,8 @@ GLboolean glxewGetExtension (const char* name)
GLubyte* p; GLubyte* p;
GLubyte* end; GLubyte* end;
GLuint len = _glewStrLen((const GLubyte*)name); GLuint len = _glewStrLen((const GLubyte*)name);
if (glXQueryExtensionsString == NULL || glxewDefaultContext->__glewXGetCurrentDisplay == NULL) return GL_FALSE; if (glXQueryExtensionsString == NULL || glXGetCurrentDisplay == NULL) return GL_FALSE;
p = (GLubyte*)glXQueryExtensionsString(glxewDefaultContext->__glewXGetCurrentDisplay(), DefaultScreen(glxewDefaultContext->__glewXGetCurrentDisplay())); p = (GLubyte*)glXQueryExtensionsString(glXGetCurrentDisplay(), DefaultScreen(glXGetCurrentDisplay()));
if (0 == p) return GL_FALSE; if (0 == p) return GL_FALSE;
end = p + _glewStrLen(p); end = p + _glewStrLen(p);
while (p < end) while (p < end)
@ -21,29 +21,32 @@ GLboolean glxewGetExtension (const char* name)
return GL_FALSE; return GL_FALSE;
} }
#ifndef GLEW_MX
static
#endif
GLenum glxewContextInit (GLXEWContext* ctx) GLenum glxewContextInit (GLXEWContext* ctx)
{ {
int major, minor; int major, minor;
/* initialize core GLX 1.2 */ /* initialize core GLX 1.2 */
if (_glewInit_GLX_VERSION_1_2(ctx)) return GLEW_ERROR_GLX_VERSION_11_ONLY; if (_glewInit_GLX_VERSION_1_2(ctx)) return GLEW_ERROR_GLX_VERSION_11_ONLY;
glxewDefaultContext->__glewXGetCurrentDisplay = ctx->__glewXGetCurrentDisplay; /* initialize flags */
GLXEW_VERSION_1_0 = GL_FALSE;
GLXEW_VERSION_1_1 = GL_FALSE;
GLXEW_VERSION_1_2 = GL_FALSE;
GLXEW_VERSION_1_3 = GL_FALSE;
GLXEW_VERSION_1_4 = GL_FALSE;
/* query GLX version */ /* query GLX version */
glXQueryVersion(glXGetCurrentDisplay(), &major, &minor); glXQueryVersion(glXGetCurrentDisplay(), &major, &minor);
ctx->__GLXEW_VERSION_1_0 = GL_FALSE;
ctx->__GLXEW_VERSION_1_1 = GL_FALSE;
ctx->__GLXEW_VERSION_1_2 = GL_FALSE;
ctx->__GLXEW_VERSION_1_3 = GL_FALSE;
ctx->__GLXEW_VERSION_1_4 = GL_FALSE;
switch (minor) switch (minor)
{ {
case 4: case 4:
ctx->__GLXEW_VERSION_1_4 = GL_TRUE; GLXEW_VERSION_1_4 = GL_TRUE;
case 3: case 3:
ctx->__GLXEW_VERSION_1_3 = GL_TRUE; GLXEW_VERSION_1_3 = GL_TRUE;
case 2: case 2:
ctx->__GLXEW_VERSION_1_2 = GL_TRUE; GLXEW_VERSION_1_2 = GL_TRUE;
ctx->__GLXEW_VERSION_1_1 = GL_TRUE; GLXEW_VERSION_1_1 = GL_TRUE;
ctx->__GLXEW_VERSION_1_0 = GL_TRUE; GLXEW_VERSION_1_0 = GL_TRUE;
break; break;
default: default:
return GLEW_ERROR_GLX_VERSION_11_ONLY; return GLEW_ERROR_GLX_VERSION_11_ONLY;

14
auto/src/glew_post.c
View File

@ -34,15 +34,23 @@ const GLubyte* glewGetString (GLenum name)
GLboolean glewExperimental = GL_FALSE; GLboolean glewExperimental = GL_FALSE;
#ifndef GLEW_MX
GLenum glewInit () GLenum glewInit ()
{ {
GLenum r; GLenum r;
if ( (r = glewContextInit(glewDefaultContext)) ) return r; if ( (r = glewContextInit(0)) ) return r;
#if defined(_WIN32) #if defined(_WIN32)
return wglewContextInit(wglewDefaultContext); return wglewContextInit(0);
#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX) /* _UNIX */ #elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX) /* _UNIX */
return glxewContextInit(glxewDefaultContext); return glxewContextInit(0);
#else #else
return r; return r;
#endif /* _WIN32 */ #endif /* _WIN32 */
} }
#else
#endif

28
auto/src/glew_post.h
View File

@ -12,19 +12,28 @@
/* API */ /* API */
#ifdef GLEW_MX #ifdef GLEW_MX
# define GLEW_GET_CONTEXT(x) glewGetContext()->x
#else
# define GLEW_GET_CONTEXT(x) glewDefaultContext->x
#endif /* GLEW_MX */
typedef struct GLEWContextStruct GLEWContext; typedef struct GLEWContextStruct GLEWContext;
GLEWAPI GLEWContext* glewDefaultContext;
GLEWAPI GLboolean glewExperimental;
GLEWAPI GLenum glewInit ();
GLEWAPI GLenum glewContextInit (GLEWContext* ctx); GLEWAPI GLenum glewContextInit (GLEWContext* ctx);
#ifdef _WIN32
# define GLEW_GET_VAR(x) glewGetContext()->x
# define GLEW_GET_FUN(x) glewGetContext()->x
#else
# define GLEW_GET_VAR(x) glewGetContext()->x
# define GLEW_GET_FUN(x) x
#endif
#else /* GLEW_MX */
GLEWAPI GLenum glewInit ();
#define GLEW_GET_VAR(x) x
#define GLEW_GET_FUN(x) x
#endif /* GLEW_MX */
GLEWAPI GLboolean glewExperimental;
GLEWAPI GLboolean glewGetExtension (const char* name); GLEWAPI GLboolean glewGetExtension (const char* name);
GLEWAPI const GLubyte* glewGetErrorString (GLenum error); GLEWAPI const GLubyte* glewGetErrorString (GLenum error);
GLEWAPI const GLubyte* glewGetString (GLenum name); GLEWAPI const GLubyte* glewGetString (GLenum name);
@ -49,7 +58,6 @@ GLEWAPI const GLubyte* glewGetString (GLenum name);
#undef WINGDIAPI #undef WINGDIAPI
#endif #endif
/* #undef GLEW_GET_CONTEXT */
#undef GLAPI #undef GLAPI
/* #undef GLEWAPI */ /* #undef GLEWAPI */

19
auto/src/glew_pre.c
View File

@ -94,14 +94,15 @@ static void *dlGetProcAddress (const GLubyte* name)
} }
#endif /* __sgi || __sun */ #endif /* __sgi || __sun */
GLEWContext _glewDefaultContext; #ifdef GLEW_MX
GLEWContext* glewDefaultContext = &_glewDefaultContext; #define glewGetContext() ctx
#else
#if defined(_WIN32) #define GLEWContext void
WGLEWContext _wglewDefaultContext; #define WGLEWContext void
WGLEWContext* wglewDefaultContext = &_wglewDefaultContext; #define GLXEWContext void
#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
GLXEWContext _glxewDefaultContext;
GLXEWContext* glxewDefaultContext = &_glxewDefaultContext;
#endif #endif
#if !defined(_WIN32) || !defined(GLEW_MX)
GLboolean __GLEW_VERSION_1_1 = GL_FALSE;

2
auto/src/glew_pre.h
View File

@ -1091,7 +1091,7 @@ GLAPI void GLAPIENTRY glVertex4sv (const GLshort *v);
GLAPI void GLAPIENTRY glVertexPointer (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer); GLAPI void GLAPIENTRY glVertexPointer (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
GLAPI void GLAPIENTRY glViewport (GLint x, GLint y, GLsizei width, GLsizei height); GLAPI void GLAPIENTRY glViewport (GLint x, GLint y, GLsizei width, GLsizei height);
#define GLEW_VERSION_1_1 GLEW_GET_CONTEXT(__GLEW_VERSION_1_1) #define GLEW_VERSION_1_1 GLEW_GET_VAR(__GLEW_VERSION_1_1)
#endif /* GL_VERSION_1_1 */ #endif /* GL_VERSION_1_1 */

28
auto/src/glew_wgl.c
View File

@ -5,18 +5,21 @@
#ifdef _WIN32 #ifdef _WIN32
static PFNWGLGETEXTENSIONSSTRINGARBPROC _wglewGetExtensionsStringARB = NULL;
static PFNWGLGETEXTENSIONSSTRINGEXTPROC _wglewGetExtensionsStringEXT = NULL;
GLboolean wglewGetExtension (const char* name) GLboolean wglewGetExtension (const char* name)
{ {
GLubyte* p; GLubyte* p;
GLubyte* end; GLubyte* end;
GLuint len = _glewStrLen((const GLubyte*)name); GLuint len = _glewStrLen((const GLubyte*)name);
if (wglewDefaultContext->__wglewGetExtensionsStringARB == NULL) if (_wglewGetExtensionsStringARB == NULL)
if (wglewDefaultContext->__wglewGetExtensionsStringEXT == NULL) if (_wglewGetExtensionsStringEXT == NULL)
return GL_FALSE; return GL_FALSE;
else else
p = (GLubyte*)wglewDefaultContext->__wglewGetExtensionsStringEXT(); p = (GLubyte*)_wglewGetExtensionsStringEXT();
else else
p = (GLubyte*)wglewDefaultContext->__wglewGetExtensionsStringARB(wglGetCurrentDC()); p = (GLubyte*)_wglewGetExtensionsStringARB(wglGetCurrentDC());
if (0 == p) return GL_FALSE; if (0 == p) return GL_FALSE;
end = p + _glewStrLen(p); end = p + _glewStrLen(p);
while (p < end) while (p < end)
@ -28,17 +31,16 @@ GLboolean wglewGetExtension (const char* name)
return GL_FALSE; return GL_FALSE;
} }
#ifndef GLEW_MX
static
#endif
GLenum wglewContextInit (WGLEWContext* ctx) GLenum wglewContextInit (WGLEWContext* ctx)
{ {
GLboolean crippled; GLboolean crippled;
/* find wgl extension string query functions */ /* find wgl extension string query functions */
_glewInit_WGL_ARB_extensions_string(ctx); if (_wglewGetExtensionsStringARB == NULL)
ctx->__WGLEW_ARB_extensions_string = (ctx->__wglewGetExtensionsStringARB != NULL); _wglewGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)glewGetProcAddress((const GLubyte*)"wglGetExtensionsStringARB");
wglewDefaultContext->__wglewGetExtensionsStringARB = ctx->__wglewGetExtensionsStringARB; if (_wglewGetExtensionsStringEXT == NULL)
wglewDefaultContext->__WGLEW_ARB_extensions_string = ctx->__WGLEW_ARB_extensions_string; _wglewGetExtensionsStringEXT = (PFNWGLGETEXTENSIONSSTRINGEXTPROC)glewGetProcAddress((const GLubyte*)"wglGetExtensionsStringEXT");
_glewInit_WGL_EXT_extensions_string(ctx);
ctx->__WGLEW_EXT_extensions_string = (ctx->__wglewGetExtensionsStringEXT != NULL);
wglewDefaultContext->__wglewGetExtensionsStringEXT = ctx->__wglewGetExtensionsStringEXT;
wglewDefaultContext->__WGLEW_EXT_extensions_string = ctx->__WGLEW_EXT_extensions_string;
/* initialize extensions */ /* initialize extensions */
crippled = !(ctx->__WGLEW_ARB_extensions_string || ctx->__WGLEW_EXT_extensions_string); crippled = _wglewGetExtensionsStringARB == NULL && _wglewGetExtensionsStringEXT == NULL;

20
auto/src/glxew_post.h
View File

@ -1,16 +1,20 @@
/* ------------------------------------------------------------------------ */ /* ------------------------------------------------------------------------ */
typedef struct GLXEWContextStruct GLXEWContext;
GLEWAPI GLXEWContext* glxewDefaultContext;
#ifdef GLEW_MX #ifdef GLEW_MX
extern GLXEWContext* glxewGetContext();
# define GLXEW_GET_CONTEXT(x) glxewGetContext()->x typedef struct GLXEWContextStruct GLXEWContext;
#else extern GLenum glxewContextInit (GLXEWContext* ctx);
# define GLXEW_GET_CONTEXT(x) glxewDefaultContext->x
#define GLXEW_GET_VAR(x) glxewGetContext()->x
#define GLXEW_GET_FUN(x) x
#else /* GLEW_MX */
#define GLXEW_GET_VAR(x) x
#define GLXEW_GET_FUN(x) x
#endif /* GLEW_MX */ #endif /* GLEW_MX */
extern GLenum glxewContextInit (GLXEWContext* ctx);
extern GLboolean glxewGetExtension (const char* name); extern GLboolean glxewGetExtension (const char* name);
#ifdef __cplusplus #ifdef __cplusplus

21
auto/src/wglew_post.h
View File

@ -1,23 +1,26 @@
/* ------------------------------------------------------------------------- */ /* ------------------------------------------------------------------------- */
typedef struct WGLEWContextStruct WGLEWContext;
GLEWAPI WGLEWContext* wglewDefaultContext;
#ifdef GLEW_MX #ifdef GLEW_MX
extern WGLEWContext* wglewGetContext();
# define WGLEW_GET_CONTEXT(x) wglewGetContext()->x typedef struct WGLEWContextStruct WGLEWContext;
#else GLEWAPI GLenum wglewContextInit (WGLEWContext* ctx);
# define WGLEW_GET_CONTEXT(x) wglewDefaultContext->x
#define WGLEW_GET_VAR(x) wglewGetContext()->x
#define WGLEW_GET_FUN(x) wglewGetContext()->x
#else /* GLEW_MX */
#define WGLEW_GET_VAR(x) x
#define WGLEW_GET_FUN(x) x
#endif /* GLEW_MX */ #endif /* GLEW_MX */
GLEWAPI GLenum wglewContextInit (WGLEWContext* ctx);
GLEWAPI GLboolean wglewGetExtension (const char* name); GLEWAPI GLboolean wglewGetExtension (const char* name);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif
/* #undef WGLEW_GET_CONTEXT */
#undef GLEWAPI #undef GLEWAPI
#endif /* __wglew_h__ */ #endif /* __wglew_h__ */