From dcd7364559e20e7d89ffeee0740b60a65c8d5362 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 20 Dec 2015 16:32:22 +0300
Subject: Move OpenGL functions related files into opengl directory.

---
 src/render/opengl/mglfunctions.h | 99 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 src/render/opengl/mglfunctions.h

(limited to 'src/render/opengl/mglfunctions.h')

diff --git a/src/render/opengl/mglfunctions.h b/src/render/opengl/mglfunctions.h
new file mode 100644
index 000000000..faf8e9300
--- /dev/null
+++ b/src/render/opengl/mglfunctions.h
@@ -0,0 +1,99 @@
+/*
+ *  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_OPENGL_MGLFUNCTIONS_H
+#define RENDER_OPENGL_MGLFUNCTIONS_H
+
+#ifdef USE_OPENGL
+
+#include "logger.h"
+
+#ifdef WIN32
+#define getFunction(name) wglGetProcAddress(name)
+#elif defined ANDROID
+#define getFunction(name) eglGetProcAddress(name)
+#elif defined __APPLE__
+#define getFunction(name) nullptr
+#elif defined __native_client__
+#define getFunction(name) glGetProcAddressREGAL(name)
+#else
+#define getFunction(name) glXGetProcAddress(\
+    reinterpret_cast<const GLubyte*>(name))
+#endif
+
+#define assignFunction(func) \
+    { \
+        m##func = reinterpret_cast<func##_t>(getFunction(#func)); \
+        if (m##func == nullptr) \
+            logger->log("function not found: " #func); \
+        else \
+            logger->log("assigned function: " #func); \
+    }
+
+#define assignFunction3(func, ext) \
+    { \
+        m##func = reinterpret_cast<func##_t>(getFunction(#func#ext)); \
+        if (m##func == nullptr) \
+        { \
+            logger->log("function not found: " #func#ext); \
+            m##func = reinterpret_cast<func##_t>(getFunction(#func)); \
+            if (m##func == nullptr) \
+                logger->log("function not found: " #func); \
+            else \
+                logger->log("assigned function: " #func); \
+        } \
+        else \
+        { \
+            logger->log("assigned function: " #func#ext); \
+        } \
+    }
+
+#define assignFunctionARB(func) assignFunction3(func, ARB)
+
+#define assignFunctionEXT(func) assignFunction3(func, EXT)
+
+#define assignFunction2(func, name) \
+    { \
+        m##func = reinterpret_cast<func##_t>(getFunction(name)); \
+        if (m##func == nullptr) \
+            logger->log(std::string("function not found: ") + name); \
+        else \
+            logger->log(std::string("assigned function: ") + name); \
+    }
+
+#define assignFunctionEmu2(func, name) \
+    { \
+        m##func = reinterpret_cast<func##_t>(getFunction(name)); \
+        if (m##func == nullptr) \
+        { \
+            m##func = emu##func; \
+            logger->log(std::string("emulated function: ") + name); \
+        } \
+        else \
+        { \
+            logger->log(std::string("assigned function: ") + name); \
+        } \
+    }
+
+#define emulateFunction(func) m##func = emu##func; \
+    logger->log("emulated function: " #func)
+
+#endif  // USE_OPENGL
+#endif  // RENDER_OPENGL_MGLFUNCTIONS_H
-- 
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