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129 lines
3.6 KiB
Plaintext
129 lines
3.6 KiB
Plaintext
// Created on: 2012-11-12
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// Created by: Kirill GAVRILOV
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// Copyright (c) 2012-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#if defined(__APPLE__) && !defined(MACOSX_USE_GLX)
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#ifndef GL_GLEXT_LEGACY
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#define GL_GLEXT_LEGACY // To prevent inclusion of system glext.h on Mac OS X 10.6.8
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#endif
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// macOS 10.4 deprecated OpenGL framework - suppress useless warnings
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#define GL_SILENCE_DEPRECATION
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#import <TargetConditionals.h>
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#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
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#import <UIKit/UIKit.h>
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#else
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#import <Cocoa/Cocoa.h>
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#endif
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#include <OpenGl_GlCore11.hxx>
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#include <OpenGl_Context.hxx>
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#include <OpenGl_FrameBuffer.hxx>
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#include <Standard_ProgramError.hxx>
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// =======================================================================
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// function : IsCurrent
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// purpose :
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// =======================================================================
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Standard_Boolean OpenGl_Context::IsCurrent() const
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{
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#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
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return myGContext != NULL
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&& [EAGLContext currentContext] == myGContext;
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#else
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return myGContext != NULL
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&& [NSOpenGLContext currentContext] == myGContext;
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#endif
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}
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// =======================================================================
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// function : MakeCurrent
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// purpose :
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// =======================================================================
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Standard_Boolean OpenGl_Context::MakeCurrent()
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{
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if (myGContext == NULL)
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{
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Standard_ProgramError_Raise_if (myIsInitialized, "OpenGl_Context::Init() should be called before!");
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return Standard_False;
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}
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#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
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return [EAGLContext setCurrentContext: myGContext] == YES;
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#else
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[myGContext makeCurrentContext];
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return Standard_True;
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#endif
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}
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// =======================================================================
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// function : SwapBuffers
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// purpose :
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// =======================================================================
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void OpenGl_Context::SwapBuffers()
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{
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if (myGContext == NULL)
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{
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return;
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}
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#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
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if (myDefaultFbo.IsNull()
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|| !myDefaultFbo->IsValid()
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|| myDefaultFbo->ColorRenderBuffer() == 0)
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{
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return;
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}
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::glBindRenderbuffer (GL_RENDERBUFFER, myDefaultFbo->ColorRenderBuffer());
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[myGContext presentRenderbuffer: GL_RENDERBUFFER];
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//::glBindRenderbuffer (GL_RENDERBUFFER, 0);
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#else
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glFinish();
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[myGContext flushBuffer];
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#endif
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}
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// =======================================================================
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// function : Init
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// purpose :
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// =======================================================================
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Standard_Boolean OpenGl_Context::Init (const Standard_Boolean theIsCoreProfile)
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{
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if (myIsInitialized)
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{
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return Standard_True;
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}
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#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
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myGContext = [EAGLContext currentContext];
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#else
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myGContext = [NSOpenGLContext currentContext];
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#endif
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if (myGContext == NULL)
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{
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return Standard_False;
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}
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init (theIsCoreProfile);
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myIsInitialized = Standard_True;
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return Standard_True;
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}
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#endif // __APPLE__
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