/**
* @brief Checks for an OpenGL extension that was announced via the OpenGL ext string. If the given extension string
* includes a placeholder (###), several types are checked. Those from the ARB, those that official extensions (EXT),
* and those from OpenGL ES (OES)
* @param extension The extension string to check. Might also contain placeholders. E.g. GL_###_framebuffer_object,
* GL_ARB_framebuffer_object
* @return @c true if the extension was announced by the OpenGL driver, @c false otherwise.
*/
static inline bool R_CheckExtension (const char *extension)
{
bool found;
const char *s = strstr(extension, "###");
if (s == NULL) {
found = strstr(r_config.extensionsString, extension) != NULL;
} else {
const char *replace[] = {"ARB", "EXT", "OES"};
char targetBuf[128];
const size_t length = lengthof(targetBuf);
const size_t replaceNo = lengthof(replace);
size_t i;
for (i = 0; i < replaceNo; i++) {
if (Q_strreplace(extension, "###", replace[i], targetBuf, length)) {
if (strstr(r_config.extensionsString, targetBuf) != NULL) {
found = true;
break;
}
}
}
if (i == replaceNo)
found = false;
}
if (found)
Com_Printf("found %s\n", extension);
else
Com_Printf("%s not found\n", extension);
return found;
}
static uintptr_t R_GetProcAddressExt (const char *functionName)
{
const char *s = strstr(functionName, "###");
if (s == NULL) {
return R_GetProcAddress(functionName);
} else {
const char *replace[] = {"EXT", "OES", "ARB"};
char targetBuf[128];
const size_t length = lengthof(targetBuf);
const size_t replaceNo = lengthof(replace);
for (size_t i = 0; i < replaceNo; i++) {
if (Q_strreplace(functionName, "###", replace[i], targetBuf, length)) {
uintptr_t funcAdr = R_GetProcAddress(targetBuf);
if (funcAdr != 0)
return funcAdr;
}
}
Com_Printf("%s not found\n", functionName);
return 0;
}
}
/*
=================
Sys_DefaultInstallPath
=================
*/
char *Sys_DefaultInstallPath(void) {
static char installdir[MAX_OSPATH];
Com_sprintf(installdir, sizeof(installdir), "%s", Sys_Cwd());
Q_strreplace(installdir, sizeof(installdir), "bin32", "");
Q_strreplace(installdir, sizeof(installdir), "bin64", "");
Q_strreplace(installdir, sizeof(installdir), "src/engine", "");
Q_strreplace(installdir, sizeof(installdir), "src\\engine", "");
Q_strreplace(installdir, sizeof(installdir), "bin/win32", "");
Q_strreplace(installdir, sizeof(installdir), "bin\\win32", "");
Q_strreplace(installdir, sizeof(installdir), "bin/win64", "");
Q_strreplace(installdir, sizeof(installdir), "bin\\win64", "");
Q_strreplace(installdir, sizeof(installdir), "bin/linux-x86", "");
Q_strreplace(installdir, sizeof(installdir), "bin/linux-x86_64", "");
Q_strreplace(installdir, sizeof(installdir), "bin/freebsd-i386", "");
Q_strreplace(installdir, sizeof(installdir), "bin/freebsd-amd64", "");
// MacOS X x86 and x64
Q_strreplace(installdir, sizeof(installdir), "bin/macosx", "");
return installdir;
}
