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*** empty log message ***
git-svn-id: https://glew.svn.sourceforge.net/svnroot/glew/trunk/glew@124 783a27ee-832a-0410-bc00-9f386506c6dd
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@ -5,23 +5,23 @@
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* These functions implement the functionality required in this file.
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*/
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static int _glewStrLen (const char *s)
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static GLuint _glewStrLen (const GLubyte *s)
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{
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int i=0;
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GLuint i=0;
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while (s+i != NULL && s[i] != '\0') i++;
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return i;
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}
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static int _glewStrCLen (const char *s, char c)
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static GLuint _glewStrCLen (const GLubyte *s, GLubyte c)
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{
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int i=0;
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GLuint i=0;
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while (s+i != NULL && s[i] != '\0' && s[i] != c) i++;
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return i;
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}
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static int _glewStrSame (const char *a, const char *b, int n)
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static GLboolean _glewStrSame (const GLubyte *a, const GLubyte *b, GLuint n)
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{
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int i=0;
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GLuint i=0;
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while (i < n && a+i != NULL && b+i != NULL && a[i] == b[i]) i++;
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return i == n;
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}
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@ -34,14 +34,14 @@ static int _glewStrSame (const char *a, const char *b, int n)
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*/
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GLboolean glewGetExtension (const GLubyte *name)
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{
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char *p, *end;
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int len = _glewStrLen(name);
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p = (char*)glGetString(GL_EXTENSIONS);
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GLubyte *p, *end;
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GLuint len = _glewStrLen(name);
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p = glGetString(GL_EXTENSIONS);
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if (0 == p) return GL_FALSE;
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end = p + _glewStrLen(p);
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while (p < end)
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{
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int n = _glewStrCLen(p, ' ');
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GLuint n = _glewStrCLen(p, ' ');
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if (len == n && _glewStrSame(name, p, n)) return GL_TRUE;
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p += n+1;
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}
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@ -52,10 +52,10 @@ GLboolean glewGetExtension (const GLubyte *name)
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static GLuint _glewInit ()
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{
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char* s;
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int i;
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GLubyte* s;
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GLuint i;
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/* query opengl version */
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s = (char*)glGetString(GL_VERSION);
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s = glGetString(GL_VERSION);
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if (!s) return GLEW_ERROR_NO_GL_VERSION;
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i=_glewStrCLen(s, '.')+1;
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if (s+i == NULL || s[i] < '1')
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@ -3,30 +3,17 @@
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#else /* _UNIX */
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GLboolean glxewGetExtension (const char *name)
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GLboolean glxewGetExtension (const GLubyte *name)
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{
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char *p, *end;
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int len = _glewStrLen(name);
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#if 1
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GLubyte *p, *end;
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GLuint len = _glewStrLen(name);
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if (glXQueryExtensionsString == NULL || glXGetCurrentDisplay == NULL) return GL_FALSE;
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p = (char*)glXQueryExtensionsString(glXGetCurrentDisplay(), DefaultScreen(glXGetCurrentDisplay()));
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#else
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/* Temporary fix to avoid using glXGetCurrentDisplay,
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which crashes GLEW on some configurations. */
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{
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Display *dpy;
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if (glXQueryExtensionsString == NULL) return GL_FALSE;
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dpy = XOpenDisplay(NULL);
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if (dpy == NULL) return GL_FALSE;
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p = (char*)glXQueryExtensionsString(dpy, DefaultScreen(dpy));
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XCloseDisplay(dpy);
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}
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#endif
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p = (GLubyte*)glXQueryExtensionsString(glXGetCurrentDisplay(), DefaultScreen(glXGetCurrentDisplay()));
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if (0 == p) return GL_FALSE;
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end = p + _glewStrLen(p);
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while (p < end)
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{
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int n = _glewStrCLen(p, ' ');
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GLuint n = _glewStrCLen(p, ' ');
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if (len == n && _glewStrSame(name, p, n)) return GL_TRUE;
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p += n+1;
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}
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@ -39,18 +26,7 @@ static GLuint _glxewInit ()
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/* initialize core GLX 1.2 */
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if (_glewInit_GLX_VERSION_1_2()) return GLEW_ERROR_GLX_VERSION_11_ONLY;
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/* query GLX version */
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#if 1
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glXQueryVersion(glXGetCurrentDisplay(), &major, &minor);
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#else
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/* Temporary fix to avoid using glXGetCurrentDisplay,
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which crashes GLEW on some configurations. */
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{
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Display* dpy = XOpenDisplay(NULL);
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if (dpy == NULL) return GLEW_ERROR_GLX_VERSION_11_ONLY;
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glXQueryVersion(dpy, &major, &minor);
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XCloseDisplay(dpy);
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}
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#endif
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switch (minor)
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{
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case 4:
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@ -5,22 +5,22 @@
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#ifdef _WIN32
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GLboolean wglewGetExtension (const char *name)
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GLboolean wglewGetExtension (const GLubyte *name)
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{
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char *p, *end;
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int len = _glewStrLen(name);
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GLubyte *p, *end;
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GLuint len = _glewStrLen(name);
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if (wglGetExtensionsStringARB == NULL)
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if (wglGetExtensionsStringEXT == NULL)
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return GL_FALSE;
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else
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p = (char*)wglGetExtensionsStringEXT();
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p = (GLubyte*)wglGetExtensionsStringEXT();
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else
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p = (char*)wglGetExtensionsStringARB(wglGetCurrentDC());
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p = (GLubyte*)wglGetExtensionsStringARB(wglGetCurrentDC());
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if (0 == p) return GL_FALSE;
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end = p + _glewStrLen(p);
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while (p < end)
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{
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int n = _glewStrCLen(p, ' ');
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GLuint n = _glewStrCLen(p, ' ');
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if (len == n && _glewStrSame(name, p, n)) return GL_TRUE;
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p += n+1;
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}
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@ -38,7 +38,7 @@
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static FILE* f;
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static void glewPrintExt (const char* name, int defined)
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static void glewPrintExt (const GLubyte* name, GLboolean defined)
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{
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unsigned int i;
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fprintf(f, "\n%s:", name);
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@ -49,7 +49,7 @@ static void glewPrintExt (const char* name, int defined)
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fflush(f);
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}
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static void glewInfoFunc (const char* name, int undefined)
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static void glewInfoFunc (const GLubyte* name, GLboolean undefined)
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{
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unsigned int i;
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fprintf(f, " %s:", name);
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@ -1,6 +1,6 @@
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/* ------------------------------------------------------------------------ */
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extern GLboolean glxewGetExtension (const char* name);
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extern GLboolean glxewGetExtension (const GLubyte* name);
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#ifdef __cplusplus
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}
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/* ------------------------------------------------------------------------- */
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GLEWAPI GLboolean wglewGetExtension (const char* name);
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GLEWAPI GLboolean wglewGetExtension (const GLubyte* name);
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#ifdef __cplusplus
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}
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