Added a GetGLProcAddress() method to BGLView.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38578 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/opengl/GLView.h

@@ -46,6 +46,7 @@ public:
 			void	SwapBuffers(bool vSync);
 
 			BView*	EmbeddedView(); // deprecated, returns NULL
+			void* 	GetGLProcAddress(const char* procName);
 
 		status_t	CopyPixelsOut(BPoint source, BBitmap *dest);
 		status_t	CopyPixelsIn(BBitmap *source, BPoint dest);
@@ -82,6 +83,7 @@ virtual status_t    GetSupportedSuites(BMessage *data);
 
 	virtual void	GetPreferredSize(float* width, float* height);
 
+
 private:
 
 	virtual void	_ReservedGLView1();

src/kits/opengl/GLView.cpp

@@ -8,30 +8,6 @@
  *		Stefano Ceccherini, [email protected]
  */
 
-/*
- * Mesa 3-D graphics library
- * Version:  6.1
- *
- * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
 
 #include <GLView.h>
 
@@ -43,6 +19,7 @@
 #include <GLRenderer.h>
 
 #include "DirectWindowPrivate.h"
+#include "GLDispatcher.h"
 #include "GLRendererRoster.h"
 
 struct glview_direct_info {
@@ -129,6 +106,21 @@ BGLView::EmbeddedView()
 }
 
 
+void*
+BGLView::GetGLProcAddress(const char* procName)
+{
+	BGLDispatcher* glDispatcher = NULL;
+
+	if (fRenderer)
+		glDispatcher = fRenderer->GLDispatcher();
+
+	if (glDispatcher)
+		return (void*)glDispatcher->AddressOf(procName);
+
+	return NULL;
+}
+
+
 status_t
 BGLView::CopyPixelsOut(BPoint source, BBitmap *dest)
 {
@@ -207,8 +199,11 @@ BGLView::AttachedToWindow()
 #else
 		SetViewColor(0, 0, 0);
 #endif
+
 		// Set default OpenGL viewport:
+		LockGL();
 		glViewport(0, 0, Bounds().IntegerWidth(), Bounds().IntegerHeight());
+		UnlockGL();
 		fRenderer->FrameResized(Bounds().IntegerWidth(),
 			Bounds().IntegerHeight());
 
@@ -461,7 +456,8 @@ void BGLView::_ReservedGLView8() {}
 // #pragma mark -
 
 
-// BeOS compatibility
+// BeOS compatibility: contrary to others BView's contructors,
+// BGLView one wants a non-const name argument.
 BGLView::BGLView(BRect rect, char* name, ulong resizingMode, ulong mode,
 	ulong options)
 	: