6 files changed, 221 insertions, 0 deletions
diff --git a/src/render/openglx/mglx.cpp b/src/render/openglx/mglx.cpp
new file mode 100644
index 000000000..773192423
--- /dev/null
+++ b/src/render/openglx/mglx.cpp
@@ -0,0 +1,32 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2012-2015  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "render/openglx/mglx.h"
+
+#if defined(USE_OPENGL) && defined(USE_X11)
+
+#include "debug.h"
+
+#define defName(name) name##_t m##name = nullptr
+
+// include function defines
+#include "render/openglx/mglx.hpp"
+
+#endif
diff --git a/src/render/openglx/mglx.h b/src/render/openglx/mglx.h
new file mode 100644
index 000000000..591626bca
--- /dev/null
+++ b/src/render/openglx/mglx.h
@@ -0,0 +1,35 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2012-2015  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RENDER_OPENGLX_MGLX_H
+#define RENDER_OPENGLX_MGLX_H
+
+#include "main.h"
+
+#if defined(USE_OPENGL) && defined(USE_X11)
+
+#include "render/openglx/mglxtypes.h"
+
+#define defName(name) extern name##_t m##name
+#include "render/openglx/mglx.hpp"
+#undef defName
+
+#endif  // defined(USE_OPENGL) && defined(USE_X11)
+#endif  // RENDER_OPENGLX_MGLX_H
diff --git a/src/render/openglx/mglx.hpp b/src/render/openglx/mglx.hpp
new file mode 100644
index 000000000..b62dd25f4
--- /dev/null
+++ b/src/render/openglx/mglx.hpp
@@ -0,0 +1,27 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2012-2015  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+defName(glXCreateContext);
+defName(glXGetCurrentContext);
+defName(glXCreateContextAttribs);
+defName(glXChooseFBConfig);
+defName(glXDestroyContext);
+defName(glXMakeCurrent);
+defName(glXSwapBuffers);
diff --git a/src/render/openglx/mglxinit.cpp b/src/render/openglx/mglxinit.cpp
new file mode 100644
index 000000000..09ab8d4fe
--- /dev/null
+++ b/src/render/openglx/mglxinit.cpp
@@ -0,0 +1,43 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2012-2015  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "render/openglx/mglxinit.h"
+
+#if defined(USE_OPENGL) && defined(USE_X11)
+
+#include "render/opengl/mglfunctions.h"
+
+#include "render/openglx/mglx.h"
+#include "render/openglx/mglxtypes.h"
+
+#include "debug.h"
+
+void Glx::initFunctions()
+{
+    assignFunction(glXCreateContext);
+    assignFunction(glXGetCurrentContext);
+    assignFunctionARB(glXCreateContextAttribs);
+    assignFunction(glXChooseFBConfig);
+    assignFunction(glXDestroyContext);
+    assignFunction(glXMakeCurrent);
+    assignFunction(glXSwapBuffers);
+}
+
+#endif
diff --git a/src/render/openglx/mglxinit.h b/src/render/openglx/mglxinit.h
new file mode 100644
index 000000000..512efdf7e
--- /dev/null
+++ b/src/render/openglx/mglxinit.h
@@ -0,0 +1,33 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2012-2015  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RENDER_OPENGLX_MGLXINIT_H
+#define RENDER_OPENGLX_MGLXINIT_H
+
+#include "main.h"
+#if defined(USE_OPENGL) && defined(USE_X11)
+
+namespace Glx
+{
+    void initFunctions();
+}  // namespace Glx
+
+#endif  // defined(USE_OPENGL) && defined(USE_X11)
+#endif  // RENDER_OPENGLX_MGLXINIT_H
diff --git a/src/render/openglx/mglxtypes.h b/src/render/openglx/mglxtypes.h
new file mode 100644
index 000000000..79b4afd7a
--- /dev/null
+++ b/src/render/openglx/mglxtypes.h
@@ -0,0 +1,51 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2012-2015  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RENDER_OPENGLX_MGLXTYPES_H
+#define RENDER_OPENGLX_MGLXTYPES_H
+
+#include "main.h"
+
+#if defined(USE_OPENGL) && defined(USE_X11)
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <GL/glx.h>
+
+#if defined(__GXX_EXPERIMENTAL_CXX0X__)
+#include <cstdint>
+#else
+#include <stdint.h>
+#endif
+
+typedef void *(*glXCreateContext_t) (Display *dpy, XVisualInfo *vis,
+    void *shareList, bool direct);
+typedef void *(*glXGetCurrentContext_t) (void);
+typedef void *(*glXCreateContextAttribs_t) (Display *dpy, GLXFBConfig config,
+    void *share_context, bool direct, const int *attrib_list);
+typedef GLXFBConfig *(*glXChooseFBConfig_t) (Display *dpy, int screen,
+    const int *attrib_list, int *nelements);
+typedef void (*glXDestroyContext_t) (Display *dpy, void *ctx);
+typedef bool (*glXMakeCurrent_t) (Display *dpy,
+    GLXDrawable drawable, void *ctx);
+typedef void (*glXSwapBuffers_t) (Display *dpy, GLXDrawable drawable);
+
+#endif  // USE_OPENGL
+#endif  // RENDER_OPENGLX_MGLXTYPES_H