godot/platform/osx/context_gl_osx.cpp

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/*************************************************************************/
/* context_gl_osx.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "context_gl_osx.h"
#ifdef OSX_ENABLED
#if defined(OPENGL_ENABLED) || defined(LEGACYGL_ENABLED)
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
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#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092
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void ContextGL_OSX::release_current() {
aglSetCurrentContext(context);
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}
void ContextGL_OSX::make_current() {
aglSetCurrentContext(NULL);
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}
void ContextGL_OSX::swap_buffers() {
aglSwapBuffers(context);
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}
Error ContextGL_OSX::initialize() {
if ((Ptr)kUnresolvedCFragSymbolAddress == (Ptr)aglChoosePixelFormat)
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return FAILED;
GLint attributes[] = { AGL_RGBA,
AGL_DOUBLEBUFFER,
AGL_DEPTH_SIZE, 32,
AGL_NO_RECOVERY,
AGL_NONE,
AGL_NONE };
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AGLPixelFormat format = NULL;
format = aglChoosePixelFormat(NULL, 0, attributes);
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if (!format)
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return FAILED;
context = aglCreateContext(format, 0);
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if (!context)
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return FAILED;
aglDestroyPixelFormat(format);
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aglSetWindowRef(context, window);
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GLint swapInterval = 1;
aglSetInteger(context, AGL_SWAP_INTERVAL, &swapInterval);
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aglSetCurrentContext(context);
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return OK;
}
ContextGL_OSX::ContextGL_OSX(WindowRef p_window) {
window = p_window;
}
ContextGL_OSX::~ContextGL_OSX() {
if (context)
aglDestroyContext(context);
}
#endif
#endif