86 lines
2.0 KiB
Plaintext
86 lines
2.0 KiB
Plaintext
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//========= Copyright 1996-2009, Valve Corporation, All rights reserved. ============//
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//
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// Purpose: provide some call-out glue to ObjC from the C++ GLMgr code
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//
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// $Revision: $
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// $NoKeywords: $
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//=============================================================================//
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#include <Cocoa/Cocoa.h>
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#include <OpenGL/OpenGL.h>
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#include <OpenGL/gl.h>
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#include <OpenGL/glext.h>
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#undef MIN
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#undef MAX
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#define DONT_DEFINE_BOOL // Don't define BOOL!
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#include "tier0/threadtools.h"
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#include "tier1/interface.h"
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#include "tier1/strtools.h"
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#include "tier1/utllinkedlist.h"
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#include "togl/rendermechanism.h"
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// ------------------------------------------------------------------------------------ //
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// some glue to let GLMgr call into NS/ObjC classes.
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// ------------------------------------------------------------------------------------ //
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bool NewNSGLContext( unsigned long *attribs, PseudoNSGLContextPtr nsglShareCtx, PseudoNSGLContextPtr *nsglCtxOut, CGLContextObj *cglCtxOut )
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{
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NSAutoreleasePool *tempPool = [[NSAutoreleasePool alloc] init ];
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NSOpenGLPixelFormat *pixFmt = NULL;
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NSOpenGLContext *nsglCtx = NULL;
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bool result = true; // optimism
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if (result)
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{
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pixFmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:(NSOpenGLPixelFormatAttribute*)attribs];
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if (!pixFmt)
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{
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Debugger(); // bad news
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result = false;
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}
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}
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if (result)
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{
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nsglCtx = [[NSOpenGLContext alloc] initWithFormat: pixFmt shareContext: (NSOpenGLContext*) nsglShareCtx ];
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if (!nsglCtx)
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{
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Debugger();
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result = false;
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}
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}
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if (result)
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{
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[nsglCtx makeCurrentContext];
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*nsglCtxOut = nsglCtx;
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*cglCtxOut = (CGLContextObj)[ (NSOpenGLContext*)nsglCtx CGLContextObj ];
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}
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else
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{
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*nsglCtxOut = NULL;
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*cglCtxOut = NULL;
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}
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[tempPool release];
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return result;
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}
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CGLContextObj GetCGLContextFromNSGL( PseudoNSGLContextPtr nsglCtx )
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{
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return (CGLContextObj)[ (NSOpenGLContext*)nsglCtx CGLContextObj];
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}
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void DelNSGLContext( PseudoNSGLContextPtr nsglCtx )
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{
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[ (NSOpenGLContext*)nsglCtx release ];
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}
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