X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/70231bce2d6387a79396906f8743a3af70d751c0..524c47aa3adf2af11a3069fd5da035a604f08f66:/src/osx/glcanvas_osx.cpp

diff --git a/src/osx/glcanvas_osx.cpp b/src/osx/glcanvas_osx.cpp
new file mode 100644
index 0000000000..5811ff545d
--- /dev/null
+++ b/src/osx/glcanvas_osx.cpp
@@ -0,0 +1,185 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        src/mac/carbon/glcanvas.cpp
+// Purpose:     wxGLCanvas, for using OpenGL with wxWidgets under Macintosh
+// Author:      Stefan Csomor
+// Modified by:
+// Created:     1998-01-01
+// RCS-ID:      $Id: glcanvas.cpp 54129 2008-06-11 19:30:52Z SC $
+// Copyright:   (c) Stefan Csomor
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "wx/wxprec.h"
+
+#if defined(__BORLANDC__)
+    #pragma hdrstop
+#endif
+
+#if wxUSE_GLCANVAS
+
+#include "wx/glcanvas.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/frame.h"
+    #include "wx/log.h"
+    #include "wx/settings.h"
+#endif
+
+#include "wx/osx/private.h"
+
+// ----------------------------------------------------------------------------
+// wxGLCanvas
+// ----------------------------------------------------------------------------
+
+wxGLContext::wxGLContext(wxGLCanvas *win, const wxGLContext *other)
+{
+    m_glContext = WXGLCreateContext(win->GetWXGLPixelFormat(),
+                                    other ? other->m_glContext : NULL);
+}
+
+wxGLContext::~wxGLContext()
+{
+    if ( m_glContext )
+    {
+        WXGLDestroyContext(m_glContext);
+    }
+}
+
+// ----------------------------------------------------------------------------
+// wxGLCanvas
+// ----------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxGLCanvas, wxWindow)
+
+BEGIN_EVENT_TABLE(wxGLCanvas, wxWindow)
+    EVT_SIZE(wxGLCanvas::OnSize)
+END_EVENT_TABLE()
+
+wxGLCanvas::wxGLCanvas(wxWindow *parent,
+                       wxWindowID id,
+                       const int *attribList,
+                       const wxPoint& pos,
+                       const wxSize& size,
+                       long style,
+                       const wxString& name,
+                       const wxPalette& palette)
+{
+    Create(parent, id, pos, size, style, name, attribList, palette);
+}
+
+#if WXWIN_COMPATIBILITY_2_8
+
+wxGLCanvas::wxGLCanvas(wxWindow *parent,
+                       wxWindowID id,
+                       const wxPoint& pos,
+                       const wxSize& size,
+                       long style,
+                       const wxString& name,
+                       const int *attribList,
+                       const wxPalette& palette)
+{
+    if ( Create(parent, id, pos, size, style, name, attribList, palette) )
+        m_glContext = new wxGLContext(this);
+}
+
+wxGLCanvas::wxGLCanvas(wxWindow *parent,
+                       const wxGLContext *shared,
+                       wxWindowID id,
+                       const wxPoint& pos,
+                       const wxSize& size,
+                       long style,
+                       const wxString& name,
+                       const int *attribList,
+                       const wxPalette& palette)
+{
+    if ( Create(parent, id, pos, size, style, name, attribList, palette) )
+        m_glContext = new wxGLContext(this, shared);
+}
+
+wxGLCanvas::wxGLCanvas(wxWindow *parent,
+                       const wxGLCanvas *shared,
+                       wxWindowID id,
+                       const wxPoint& pos,
+                       const wxSize& size,
+                       long style,
+                       const wxString& name,
+                       const int *attribList,
+                       const wxPalette& palette)
+{
+    if ( Create(parent, id, pos, size, style, name, attribList, palette) )
+        m_glContext = new wxGLContext(this, shared ? shared->m_glContext : NULL);
+}
+
+#endif // WXWIN_COMPATIBILITY_2_8
+
+/* static */
+bool wxGLCanvas::IsAGLMultiSampleAvailable()
+{
+    static int s_isMultiSampleAvailable = -1;
+    if ( s_isMultiSampleAvailable == -1 )
+        s_isMultiSampleAvailable = IsExtensionSupported("GL_ARB_multisample");
+
+    return s_isMultiSampleAvailable != 0;
+}
+
+/* static */
+bool wxGLCanvasBase::IsDisplaySupported(const int *attribList)
+{
+    WXGLPixelFormat glFormat = WXGLChoosePixelFormat(attribList);
+
+    if ( !glFormat )
+       return false;
+
+    WXGLDestroyPixelFormat(glFormat);
+
+    return true;
+}
+
+bool wxGLCanvas::SwapBuffers()
+{
+    WXGLContext context = WXGLGetCurrentContext();
+    wxCHECK_MSG(context, false, _T("should have current context"));
+
+    WXGLSwapBuffers(context);
+    return true;
+}
+
+bool wxGLCanvasBase::IsExtensionSupported(const char *extension)
+{
+    // we need a valid context to query for extensions.
+    WXGLPixelFormat fmt = WXGLChoosePixelFormat(NULL);
+    WXGLContext ctx = WXGLCreateContext(fmt, NULL);
+    if ( !ctx )
+        return false;
+
+    wxString extensions = wxString::FromAscii(glGetString(GL_EXTENSIONS));
+
+    WXGLDestroyPixelFormat(fmt);
+    WXGLDestroyContext(ctx);
+
+    return IsExtensionInList(extensions, extension);
+}
+
+// ----------------------------------------------------------------------------
+// wxGLApp
+// ----------------------------------------------------------------------------
+
+bool wxGLApp::InitGLVisual(const int *attribList)
+{
+    WXGLPixelFormat fmt = WXGLChoosePixelFormat(attribList);
+    if ( !fmt )
+        return false;
+
+    WXGLDestroyPixelFormat(fmt);
+    return true;
+}
+
+#endif // wxUSE_GLCANVAS