hello world

neo/sys/gllog/gl_extensions.cpp.m4

@@ -0,0 +1,61 @@
+#include "idlib/precompiled.h"
+#pragma hdrstop
+
+dnl =====================================================
+dnl utils
+dnl =====================================================
+
+define(`forloop', 
+	`pushdef(`$1', `$2')_forloop(`$1', `$2', `$3', `$4')popdef(`$1')')
+define(`_forloop',
+	`$4`'ifelse($1, `$3', ,
+	`define(`$1', incr($1))_forloop(`$1', `$2', `$3', `$4')')')
+	
+dnl =====================================================
+dnl GL extensions
+dnl =====================================================
+
+typedef struct {
+	const char *ext_name;
+} glExtName_t;
+
+glExtName_t glExtNames[] = {
+	NULL
+};
+
+static void StubFunction( void ) { }
+
+GLExtension_t GLimp_ExtensionPointer( const char *name ) {
+	if ( strstr( name, "wgl" ) == name ) {
+		common->DPrintf( "WARNING: GLimp_ExtensionPointer for '%s'\n", name );
+	}
+#ifdef ID_DEDICATED
+	common->Printf("GLimp_ExtensionPointer %s\n", name);
+	return StubFunction;
+#else
+	#if 0
+	glExtName_t *n;
+	for ( n = glExtNames ; n->ext_name ; n++ ) {
+		if ( !strcmp( name, n->ext_name ) ) {
+			common->DPrintf("matched GL extension: %s\n", name );
+			break;
+		}
+	}
+	if ( ! n->ext_name ) {
+		common->DPrintf("unmatched GL extension name: %s\n", name );
+	}
+	#endif
+	GLExtension_t ret;
+	#if defined(__linux__)    
+	// for some reason glXGetProcAddressARB doesn't work on RH9?
+	ret = qglXGetProcAddressARB((const GLubyte *) name);
+	if ( !ret ) {
+		common->Printf("glXGetProcAddressARB failed: \"%s\"\n", name);
+		return StubFunction;
+	}
+	#else
+    #error Need OS define
+	#endif
+	return ret;
+#endif
+}