mac fixes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10045 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/glcanvas.h

@@ -0,0 +1,121 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        glcanvas.h
+// Purpose:     wxGLCanvas, for using OpenGL with wxWindows under Macintosh
+// Author:      AUTHOR
+// Modified by:
+// Created:     ??/??/98
+// RCS-ID:      $Id$
+// Copyright:   (c) AUTHOR
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma interface "glcanvas.h"
+#endif
+
+#ifndef _WX_GLCANVAS_H_
+#define _WX_GLCANVAS_H_
+
+#include "wx/setup.h"
+
+#if wxUSE_GLCANVAS
+
+#include "wx/palette.h"
+#include "wx/scrolwin.h"
+
+#include <gl.h>
+#include <agl.h>
+
+//---------------------------------------------------------------------------
+// Constants for attriblist
+//---------------------------------------------------------------------------
+
+enum
+{
+  WX_GL_RGBA=1,          /* use true color palette */
+  WX_GL_BUFFER_SIZE,     /* bits for buffer if not WX_GL_RGBA */
+  WX_GL_LEVEL,           /* 0 for main buffer, >0 for overlay, <0 for underlay */
+  WX_GL_DOUBLEBUFFER,    /* use doublebuffer */
+  WX_GL_STEREO,          /* use stereoscopic display */
+  WX_GL_AUX_BUFFERS,     /* number of auxiliary buffers */
+  WX_GL_MIN_RED,         /* use red buffer with most bits (> MIN_RED bits) */
+  WX_GL_MIN_GREEN,       /* use green buffer with most bits (> MIN_GREEN bits) */
+  WX_GL_MIN_BLUE,        /* use blue buffer with most bits (> MIN_BLUE bits) */
+  WX_GL_MIN_ALPHA,       /* use blue buffer with most bits (> MIN_ALPHA bits) */
+  WX_GL_DEPTH_SIZE,      /* bits for Z-buffer (0,16,32) */
+  WX_GL_STENCIL_SIZE,    /* bits for stencil buffer */
+  WX_GL_MIN_ACCUM_RED,   /* use red accum buffer with most bits (> MIN_ACCUM_RED bits) */
+  WX_GL_MIN_ACCUM_GREEN, /* use green buffer with most bits (> MIN_ACCUM_GREEN bits) */
+  WX_GL_MIN_ACCUM_BLUE,  /* use blue buffer with most bits (> MIN_ACCUM_BLUE bits) */
+  WX_GL_MIN_ACCUM_ALPHA  /* use blue buffer with most bits (> MIN_ACCUM_ALPHA bits) */
+};
+
+class WXDLLEXPORT wxGLCanvas;     /* forward reference */
+
+class WXDLLEXPORT wxGLContext: public wxObject
+{
+public:
+   wxGLContext(AGLPixelFormat fmt, wxGLCanvas *win, 
+               const wxPalette& WXUNUSED(palette),
+               const wxGLContext *other        /* for sharing display lists */
+    );
+   ~wxGLContext();
+
+   void SetCurrent();
+   void Update();  // must be called after window drag/grows/zoom or clut change
+   void SetColour(const char *colour);
+   void SwapBuffers();
+
+
+   inline wxWindow* GetWindow() const { return m_window; }
+   inline AGLDrawable GetDrawable() const { return m_drawable; }
+
+public:
+   AGLContext       m_glContext;
+   AGLDrawable      m_drawable;
+   wxWindow*        m_window;
+};
+
+class WXDLLEXPORT wxGLCanvas: public wxScrolledWindow
+{
+   DECLARE_CLASS(wxGLCanvas)
+ public:
+   wxGLCanvas(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
+        const wxSize& size = wxDefaultSize, long style = 0,
+        const wxString& name = "GLCanvas", int *attribList = 0, const wxPalette& palette = wxNullPalette);
+   wxGLCanvas( wxWindow *parent, const wxGLContext *shared = (wxGLContext *)NULL,
+        wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition,
+        const wxSize& size = wxDefaultSize, long style = 0, const wxString& name = "GLCanvas", 
+	      int *attribList = (int*) NULL, const wxPalette& palette = wxNullPalette );
+
+   wxGLCanvas( wxWindow *parent, const wxGLCanvas *shared = (wxGLCanvas *)NULL, wxWindowID id = -1,
+        const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0, 
+		const wxString& name = "GLCanvas", int *attribList = 0, const wxPalette& palette = wxNullPalette );
+
+   ~wxGLCanvas();
+
+   bool Create(wxWindow *parent, const wxGLContext *shared, wxWindowID id,
+               const wxPoint& pos, const wxSize& size, long style, const wxString& name,
+	       int *attribList, const wxPalette& palette);
+
+   void SetCurrent();
+   void SetColour(const char *colour);
+   void SwapBuffers();
+   void UpdateContext();
+   void SetViewport();
+   
+   // Unlike some other platforms, this must get called if you override it.
+   // It sets the viewport correctly and update the context.
+   // You shouldn't call glViewport yourself either (use SetViewport if you must reset it.)
+   void OnSize(wxSizeEvent& event);
+
+   inline wxGLContext* GetContext() const { return m_glContext; }
+
+protected:
+    wxGLContext*   m_glContext;
+
+DECLARE_EVENT_TABLE()
+};
+
+#endif // wxUSE_GLCANVAS
+#endif // _WX_GLCANVAS_H_