dolphin/Externals/wxWidgets3/include/wx/unix/glx11.h

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///////////////////////////////////////////////////////////////////////////////
// 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@wxwindows.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_UNIX_GLX11_H_
#define _WX_UNIX_GLX11_H_
#include <GL/glx.h>
// ----------------------------------------------------------------------------
// wxGLContext
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_GL wxGLContext : public wxGLContextBase
{
public:
wxGLContext(wxGLCanvas *win, const wxGLContext *other = NULL);
virtual ~wxGLContext();
virtual bool SetCurrent(const wxGLCanvas& win) const;
private:
// attach context to the drawable or unset it (if NULL)
static bool MakeCurrent(GLXDrawable drawable, GLXContext context);
GLXContext m_glContext;
DECLARE_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 the XVisualInfo corresponding to the given attributes
bool InitVisual(const int *attribList);
// frees XVisualInfo info
virtual ~wxGLCanvasX11();
// implement wxGLCanvasBase methods
// --------------------------------
virtual bool SwapBuffers();
// 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 Window GetXWindow() const = 0;
// 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;
// implementation only from now on
// -------------------------------
// get the GLXFBConfig/XVisualInfo we use
GLXFBConfig *GetGLXFBConfig() const { return m_fbc; }
XVisualInfo *GetXVisualInfo() const { return m_vi; }
// initialize the global default GL visual, return false if matching visual
// not found
static bool InitDefaultVisualInfo(const int *attribList);
// get the default GL X11 visual (may be NULL, shouldn't be freed by caller)
static XVisualInfo *GetDefaultXVisualInfo() { return ms_glVisualInfo; }
// free the global GL visual, called by wxGLApp
static void FreeDefaultVisualInfo();
// initializes XVisualInfo (in any case) and, if supported, GLXFBConfig
//
// returns false if XVisualInfo couldn't be initialized, otherwise caller
// is responsible for freeing the pointers
static bool InitXVisualInfo(const int *attribList,
GLXFBConfig **pFBC, XVisualInfo **pXVisual);
private:
// fills in glattrs with attributes defined by wxattrs which must be
// 0-terminated if it is non-NULL
//
// n is the max size of glattrs, false is returned if we overflow it, it
// should be at least 16 to accommodate the default attributes
static bool ConvertWXAttrsToGL(const int *wxattrs, int *glattrs, size_t n);
// this is only used if it's supported i.e. if GL >= 1.3
GLXFBConfig *m_fbc;
// used for all GL versions, obtained from GLXFBConfig for GL >= 1.3
XVisualInfo *m_vi;
// the global/default versions of the above
static GLXFBConfig *ms_glFBCInfo;
static XVisualInfo *ms_glVisualInfo;
};
// ----------------------------------------------------------------------------
// 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:
wxGLApp() : wxGLAppBase() { }
// implement wxGLAppBase method
virtual bool InitGLVisual(const int *attribList)
{
return wxGLCanvasX11::InitDefaultVisualInfo(attribList);
}
// and implement this wxGTK::wxApp method too
virtual void *GetXVisualInfo()
{
return wxGLCanvasX11::GetDefaultXVisualInfo();
}
// and override this wxApp method to clean up
virtual int OnExit()
{
wxGLCanvasX11::FreeDefaultVisualInfo();
return wxGLAppBase::OnExit();
}
private:
DECLARE_DYNAMIC_CLASS(wxGLApp)
};
#endif // _WX_UNIX_GLX11_H_