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const correctness change

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git-svn-id: https://glew.svn.sourceforge.net/svnroot/glew/trunk/glew@498 783a27ee-832a-0410-bc00-9f386506c6dd
This commit is contained in:
ikits 2007-03-19 13:33:36 +00:00
parent 4eac405113
commit c9a40e3cee
5 changed files with 55 additions and 52 deletions
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6
auto/bin/make_list.pl
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@ -43,16 +43,16 @@ if (@ARGV)
#my $pextvar = prefix_varname($extvar);
print "#ifdef $extname\n";
print " " . $extvar . " = " . $extpre . "GetExtension(\"$extname\");\n";
print " CONST_CAST(" . $extvar . ") = " . $extpre . "GetExtension(\"$extname\");\n";
if (keys %$functions)
{
if ($extname =~ /WGL_.*/)
{
print " if (glewExperimental || " . $extvar . "|| crippled) " . $extvar . "= !_glewInit_$extname(GLEW_CONTEXT_ARG_VAR_INIT);\n";
print " if (glewExperimental || " . $extvar . "|| crippled) CONST_CAST(" . $extvar . ")= !_glewInit_$extname(GLEW_CONTEXT_ARG_VAR_INIT);\n";
}
else
{
print " if (glewExperimental || " . $extvar . ") " . $extvar . " = !_glewInit_$extname(GLEW_CONTEXT_ARG_VAR_INIT);\n";
print " if (glewExperimental || " . $extvar . ") CONST_CAST(" . $extvar . ") = !_glewInit_$extname(GLEW_CONTEXT_ARG_VAR_INIT);\n";
}
}
print "#endif /* $extname */\n";

6
auto/src/glew_head.c
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@ -101,11 +101,15 @@ void* dlGetProcAddress (const GLubyte* name)
# endif
#endif
/*
* Define GLboolean const cast.
*/
#define CONST_CAST(x) (*(GLboolean*)&x)
/*
* GLEW, just like OpenGL or GLU, does not rely on the standard C library.
* These functions implement the functionality required in this file.
*/
static GLuint _glewStrLen (const GLubyte* s)
{
GLuint i=0;

74
auto/src/glew_init_gl.c
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@ -45,65 +45,65 @@ GLenum glewContextInit (GLEW_CONTEXT_ARG_DEF_LIST)
}
else
{
GLEW_VERSION_1_1 = GL_TRUE;
CONST_CAST(GLEW_VERSION_1_1) = GL_TRUE;
if (s[major] >= '2')
{
GLEW_VERSION_1_2 = GL_TRUE;
GLEW_VERSION_1_3 = GL_TRUE;
GLEW_VERSION_1_4 = GL_TRUE;
GLEW_VERSION_1_5 = GL_TRUE;
GLEW_VERSION_2_0 = GL_TRUE;
CONST_CAST(GLEW_VERSION_1_2) = GL_TRUE;
CONST_CAST(GLEW_VERSION_1_3) = GL_TRUE;
CONST_CAST(GLEW_VERSION_1_4) = GL_TRUE;
CONST_CAST(GLEW_VERSION_1_5) = GL_TRUE;
CONST_CAST(GLEW_VERSION_2_0) = GL_TRUE;
if (s[minor] >= '1')
{
GLEW_VERSION_2_1 = GL_TRUE;
CONST_CAST(GLEW_VERSION_2_1) = GL_TRUE;
}
}
else
{
if (s[minor] >= '5')
{
GLEW_VERSION_1_2 = GL_TRUE;
GLEW_VERSION_1_3 = GL_TRUE;
GLEW_VERSION_1_4 = GL_TRUE;
GLEW_VERSION_1_5 = GL_TRUE;
GLEW_VERSION_2_0 = GL_FALSE;
GLEW_VERSION_2_1 = GL_FALSE;
CONST_CAST(GLEW_VERSION_1_2) = GL_TRUE;
CONST_CAST(GLEW_VERSION_1_3) = GL_TRUE;
CONST_CAST(GLEW_VERSION_1_4) = GL_TRUE;
CONST_CAST(GLEW_VERSION_1_5) = GL_TRUE;
CONST_CAST(GLEW_VERSION_2_0) = GL_FALSE;
CONST_CAST(GLEW_VERSION_2_1) = GL_FALSE;
}
if (s[minor] == '4')
{
GLEW_VERSION_1_2 = GL_TRUE;
GLEW_VERSION_1_3 = GL_TRUE;
GLEW_VERSION_1_4 = GL_TRUE;
GLEW_VERSION_1_5 = GL_FALSE;
GLEW_VERSION_2_0 = GL_FALSE;
GLEW_VERSION_2_1 = GL_FALSE;
CONST_CAST(GLEW_VERSION_1_2) = GL_TRUE;
CONST_CAST(GLEW_VERSION_1_3) = GL_TRUE;
CONST_CAST(GLEW_VERSION_1_4) = GL_TRUE;
CONST_CAST(GLEW_VERSION_1_5) = GL_FALSE;
CONST_CAST(GLEW_VERSION_2_0) = GL_FALSE;
CONST_CAST(GLEW_VERSION_2_1) = GL_FALSE;
}
if (s[minor] == '3')
{
GLEW_VERSION_1_2 = GL_TRUE;
GLEW_VERSION_1_3 = GL_TRUE;
GLEW_VERSION_1_4 = GL_FALSE;
GLEW_VERSION_1_5 = GL_FALSE;
GLEW_VERSION_2_0 = GL_FALSE;
GLEW_VERSION_2_1 = GL_FALSE;
CONST_CAST(GLEW_VERSION_1_2) = GL_TRUE;
CONST_CAST(GLEW_VERSION_1_3) = GL_TRUE;
CONST_CAST(GLEW_VERSION_1_4) = GL_FALSE;
CONST_CAST(GLEW_VERSION_1_5) = GL_FALSE;
CONST_CAST(GLEW_VERSION_2_0) = GL_FALSE;
CONST_CAST(GLEW_VERSION_2_1) = GL_FALSE;
}
if (s[minor] == '2')
{
GLEW_VERSION_1_2 = GL_TRUE;
GLEW_VERSION_1_3 = GL_FALSE;
GLEW_VERSION_1_4 = GL_FALSE;
GLEW_VERSION_1_5 = GL_FALSE;
GLEW_VERSION_2_0 = GL_FALSE;
GLEW_VERSION_2_1 = GL_FALSE;
CONST_CAST(GLEW_VERSION_1_2) = GL_TRUE;
CONST_CAST(GLEW_VERSION_1_3) = GL_FALSE;
CONST_CAST(GLEW_VERSION_1_4) = GL_FALSE;
CONST_CAST(GLEW_VERSION_1_5) = GL_FALSE;
CONST_CAST(GLEW_VERSION_2_0) = GL_FALSE;
CONST_CAST(GLEW_VERSION_2_1) = GL_FALSE;
}
if (s[minor] < '2')
{
GLEW_VERSION_1_2 = GL_FALSE;
GLEW_VERSION_1_3 = GL_FALSE;
GLEW_VERSION_1_4 = GL_FALSE;
GLEW_VERSION_1_5 = GL_FALSE;
GLEW_VERSION_2_0 = GL_FALSE;
GLEW_VERSION_2_1 = GL_FALSE;
CONST_CAST(GLEW_VERSION_1_2) = GL_FALSE;
CONST_CAST(GLEW_VERSION_1_3) = GL_FALSE;
CONST_CAST(GLEW_VERSION_1_4) = GL_FALSE;
CONST_CAST(GLEW_VERSION_1_5) = GL_FALSE;
CONST_CAST(GLEW_VERSION_2_0) = GL_FALSE;
CONST_CAST(GLEW_VERSION_2_1) = GL_FALSE;
}
}
}

16
auto/src/glew_init_glx.c
View File

@ -26,11 +26,11 @@ GLenum glxewContextInit (GLXEW_CONTEXT_ARG_DEF_LIST)
/* initialize core GLX 1.2 */
if (_glewInit_GLX_VERSION_1_2(GLEW_CONTEXT_ARG_VAR_INIT)) return GLEW_ERROR_GLX_VERSION_11_ONLY;
/* initialize flags */
GLXEW_VERSION_1_0 = GL_TRUE;
GLXEW_VERSION_1_1 = GL_TRUE;
GLXEW_VERSION_1_2 = GL_TRUE;
GLXEW_VERSION_1_3 = GL_TRUE;
GLXEW_VERSION_1_4 = GL_TRUE;
CONST_CAST(GLXEW_VERSION_1_0) = GL_TRUE;
CONST_CAST(GLXEW_VERSION_1_1) = GL_TRUE;
CONST_CAST(GLXEW_VERSION_1_2) = GL_TRUE;
CONST_CAST(GLXEW_VERSION_1_3) = GL_TRUE;
CONST_CAST(GLXEW_VERSION_1_4) = GL_TRUE;
/* query GLX version */
glXQueryVersion(glXGetCurrentDisplay(), &major, &minor);
if (major == 1 && minor <= 3)
@ -38,11 +38,11 @@ GLenum glxewContextInit (GLXEW_CONTEXT_ARG_DEF_LIST)
switch (minor)
{
case 3:
GLXEW_VERSION_1_4 = GL_FALSE;
CONST_CAST(GLXEW_VERSION_1_4) = GL_FALSE;
break;
case 2:
GLXEW_VERSION_1_4 = GL_FALSE;
GLXEW_VERSION_1_3 = GL_FALSE;
CONST_CAST(GLXEW_VERSION_1_4) = GL_FALSE;
CONST_CAST(GLXEW_VERSION_1_3) = GL_FALSE;
break;
default:
return GLEW_ERROR_GLX_VERSION_11_ONLY;

5
auto/src/glew_tail.h
View File

@ -21,11 +21,10 @@ GLEWAPI GLboolean glewContextIsSupported (GLEWContext* ctx, const char* name);
#define glewIsSupported(x) glewContextIsSupported(glewGetContext(), x)
#define glewIsExtensionSupported(x) glewIsSupported(x)
#define GLEW_GET_VAR(x) (*(const GLboolean*)&(glewGetContext()->x))
#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
@ -35,7 +34,7 @@ GLEWAPI GLenum glewInit ();
GLEWAPI GLboolean glewIsSupported (const char* name);
#define glewIsExtensionSupported(x) glewIsSupported(x)
#define GLEW_GET_VAR(x) x
#define GLEW_GET_VAR(x) (*(const GLboolean*)&x)
#define GLEW_GET_FUN(x) x
#endif /* GLEW_MX */