From 48933a73b8b847e79463dcbe345c659c8cbea022 Mon Sep 17 00:00:00 2001
From: Philippe Houdoin <philippe.houdoin@gmail.com>
Date: Wed, 8 Sep 2010 10:41:44 +0000
Subject: [PATCH] Expand glutGetProcAddress() to support core GL functions too
 under Haiku, now that we do have a way to retrieve such address.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38579 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/libs/mesa/glut/glutGet.cpp | 12 ++++++++++++
 src/libs/mesa/glut/glut_ext.c  | 26 ++++++++++++++++----------
 2 files changed, 28 insertions(+), 10 deletions(-)

diff --git a/src/libs/mesa/glut/glutGet.cpp b/src/libs/mesa/glut/glutGet.cpp
index 9bc2d199a8..3a653af722 100644
--- a/src/libs/mesa/glut/glutGet.cpp
+++ b/src/libs/mesa/glut/glutGet.cpp
@@ -221,3 +221,15 @@ int glutGetModifiers() {
 	return gState.modifierKeys;
 }
 
+
+#ifdef __HAIKU__
+
+GLUTproc
+__glutGetProcAddress(const char* procName)
+{
+	if (gState.currentWindow)
+		return (GLUTproc) gState.currentWindow->GetGLProcAddress(procName);
+	return NULL;
+}
+
+#endif
diff --git a/src/libs/mesa/glut/glut_ext.c b/src/libs/mesa/glut/glut_ext.c
index ed902111af..147b5b4803 100644
--- a/src/libs/mesa/glut/glut_ext.c
+++ b/src/libs/mesa/glut/glut_ext.c
@@ -176,24 +176,30 @@ static struct name_address_pair glut_functions[] = {
 };
 
 
+#ifdef __HAIKU__
+extern GLUTproc __glutGetProcAddress(const char* procName);
+#endif
+
 /* XXX This isn't an official GLUT function, yet */
 GLUTproc GLUTAPIENTRY
 glutGetProcAddress(const char *procName)
 {
-   /* Try GLUT functions first */
-   int i;
-   for (i = 0; glut_functions[i].name; i++) {
-      if (strcmp(glut_functions[i].name, procName) == 0)
-         return glut_functions[i].address;
-   }
+	/* Try GLUT functions first */
+	int i;
+	for (i = 0; glut_functions[i].name; i++) {
+		if (strcmp(glut_functions[i].name, procName) == 0)
+			return glut_functions[i].address;
+	}
 
-   /* Try core GL functions */
+	/* Try core GL functions */
 #if defined(_WIN32)
-  return (GLUTProc) wglGetProcAddress((LPCSTR) procName);
+	return (GLUTProc) wglGetProcAddress((LPCSTR) procName);
 #elif defined(GLX_ARB_get_proc_address)
-  return (GLUTProc) glXGetProcAddressARB((const GLubyte *) procName);
+	return (GLUTProc) glXGetProcAddressARB((const GLubyte *) procName);
+#elif defined(__HAIKU__)
+	return __glutGetProcAddress(procName);
 #else
-  return NULL;
+	return NULL;
 #endif
 }