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lxdream.org :: lxdream/src/drivers/video_nsgl.c
lxdream 0.9.1
released Jun 29
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filename src/drivers/video_nsgl.c
changeset 757:2780bc393e7c
prev736:a02d1475ccfd
author nkeynes
date Mon Jul 21 00:16:09 2008 +0000 (14 years ago)
permissions -rw-r--r--
last change Minor fixes for Tiger build
view annotate diff log raw
     1 /**
     2  * $Id$
     3  *
     4  * Cocoa (NSOpenGL) video driver
     5  *
     6  * Copyright (c) 2005 Nathan Keynes.
     7  *
     8  * This program is free software; you can redistribute it and/or modify
     9  * it under the terms of the GNU General Public License as published by
    10  * the Free Software Foundation; either version 2 of the License, or
    11  * (at your option) any later version.
    12  *
    13  * This program is distributed in the hope that it will be useful,
    14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    16  * GNU General Public License for more details.
    17  */
    19 #include <AppKit/NSOpenGL.h>
    20 #include <Foundation/NSAutoreleasePool.h>
    21 #include "drivers/video_nsgl.h"
    22 #include "drivers/video_gl.h"
    23 #include "pvr2/glutil.h"
    25 static NSOpenGLContext *nsgl_context = nil;
    27 gboolean video_nsgl_init_driver( NSView *view, display_driver_t driver )
    28 {
    29     NSAutoreleasePool *pool = [NSAutoreleasePool new];
    30     NSOpenGLPixelFormatAttribute attributes[] = {
    31             NSOpenGLPFAWindow,
    32             // NSOpenGLPFADoubleBuffer,
    33             NSOpenGLPFADepthSize, (NSOpenGLPixelFormatAttribute)24,
    34             (NSOpenGLPixelFormatAttribute)nil };
    36     NSOpenGLPixelFormat *pixelFormat = 
    37         [[[NSOpenGLPixelFormat alloc] initWithAttributes: attributes] autorelease];
    38     nsgl_context = 
    39         [[NSOpenGLContext alloc] initWithFormat: pixelFormat shareContext: nil];
    40     [nsgl_context setView: view];
    41     [nsgl_context makeCurrentContext];
    42     [pool release];
    43     if( gl_fbo_is_supported() ) {
    44         gl_fbo_init(driver);
    45     } else {
    46         ERROR( "FBO not supported" );
    47         return FALSE;
    48     }
    50     return TRUE;
    51 }
    53 void video_nsgl_update()
    54 {
    55     if( nsgl_context != nil ) {
    56         [nsgl_context update];
    57     }
    58 }
    60 void video_nsgl_make_current()
    61 {
    62     if( nsgl_context != nil ) {
    63         [nsgl_context makeCurrentContext];
    64     }
    65 }
    67 void video_nsgl_swap_buffers()
    68 {
    69     if( nsgl_context != nil ) {
    70         [nsgl_context flushBuffer];
    71     }
    72 }
    74 void video_nsgl_shutdown()
    75 {
    76     if( nsgl_context != nil ) {
    77         [NSOpenGLContext clearCurrentContext];
    78         [nsgl_context release];
    79         nsgl_context = nil;
    80     }
    81 }
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