initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/include/wx/unix/glx11.h

@@ -0,0 +1,131 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/unix/glx11.h
+// Purpose:     class common for all X11-based wxGLCanvas implementations
+// Author:      Vadim Zeitlin
+// Created:     2007-04-15
+// Copyright:   (c) 2007 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_UNIX_GLX11_H_
+#define _WX_UNIX_GLX11_H_
+
+#include <GL/gl.h>
+
+typedef struct __GLXcontextRec* GLXContext;
+typedef struct __GLXFBConfigRec* GLXFBConfig;
+
+// ----------------------------------------------------------------------------
+// wxGLContext
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_GL wxGLContext : public wxGLContextBase
+{
+public:
+    wxGLContext(wxGLCanvas *win,
+                const wxGLContext *other = nullptr,
+                const wxGLContextAttrs *ctxAttrs = nullptr);
+    virtual ~wxGLContext();
+
+    virtual bool SetCurrent(const wxGLCanvas& win) const override;
+
+private:
+    GLXContext m_glContext;
+
+    wxDECLARE_CLASS(wxGLContext);
+};
+
+// ----------------------------------------------------------------------------
+// wxGLCanvasX11
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_GL wxGLCanvasX11 : public wxGLCanvasBase
+{
+public:
+    // initialization and dtor
+    // -----------------------
+
+    // default ctor doesn't do anything, InitVisual() must be called
+    wxGLCanvasX11();
+
+    // initializes GLXFBConfig and XVisualInfo corresponding to the given attributes
+    bool InitVisual(const wxGLAttributes& dispAttrs);
+
+    // frees XVisualInfo info
+    virtual ~wxGLCanvasX11();
+
+
+    // implement wxGLCanvasBase methods
+    // --------------------------------
+
+    virtual bool SwapBuffers() override;
+
+
+    // X11-specific methods
+    // --------------------
+
+    // return GLX version: 13 means 1.3 &c
+    static int GetGLXVersion();
+
+    // return true if multisample extension is available
+    static bool IsGLXMultiSampleAvailable();
+
+    // get the X11 handle of this window
+    virtual unsigned long GetXWindow() const = 0;
+
+
+    // GLX-specific methods
+    // --------------------
+
+    // override some wxWindow methods
+    // ------------------------------
+
+    // return true only if the window is realized: OpenGL context can't be
+    // created until we are
+    virtual bool IsShownOnScreen() const override;
+
+
+    // implementation only from now on
+    // -------------------------------
+
+    // get the GLXFBConfig/XVisualInfo we use
+    GLXFBConfig *GetGLXFBConfig() const { return m_fbc; }
+    void* GetXVisualInfo() const { return m_vi; }
+
+    // initialize the global default GL visual, return false if matching visual
+    // not found
+    static bool InitDefaultVisualInfo(const int *attribList);
+
+private:
+    GLXFBConfig *m_fbc;
+    void* m_vi;
+
+    bool m_swapIntervalSet = false;
+};
+
+// ----------------------------------------------------------------------------
+// wxGLApp
+// ----------------------------------------------------------------------------
+
+// this is used in wx/glcanvas.h, prevent it from defining a generic wxGLApp
+#define wxGL_APP_DEFINED
+
+class WXDLLIMPEXP_GL wxGLApp : public wxGLAppBase
+{
+public:
+    virtual bool InitGLVisual(const int *attribList) override;
+
+    // This method is not currently used by the library itself, but remains for
+    // backwards compatibility and also because wxGTK has it we could start
+    // using it for the same purpose in wxX11 too some day.
+    virtual void* GetXVisualInfo() override;
+
+    // and override this wxApp method to clean up
+    virtual int OnExit() override;
+
+private:
+    wxDECLARE_DYNAMIC_CLASS(wxGLApp);
+};
+
+#endif // _WX_UNIX_GLX11_H_
+