lxdream.org :: lxdream/src/drivers/video

filename	src/drivers/video_nsgl.m
changeset	1076:18c164e8aec4
prev	964:f2f3c7612d06
next	1134:f502f3d32f90
author	nkeynes
date	Sun Jan 31 18:35:06 2010 +1000 (14 years ago)
permissions	-rw-r--r--
last change	Refactor CDROM host support - Completely separate GDROM hardware (in gdrom/gdrom.c) from generic CDROM support (now in drivers/cdrom) - Add concept of 'sector sources' that can be mixed and matched to create cdrom discs (makes support of arbitrary disc types much simpler)

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     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     driver->swap_buffers = video_nsgl_swap_buffers;

    44     if( gl_fbo_is_supported() ) {

    45         gl_fbo_init(driver);

    46     } else {

    47         /* Note there is a 'native' buffer framework, but since all current

    48          * Apple drivers appear to support FBO, there's not much point in

    49          * doing the work to support them.

    50          */

    51         ERROR( "FBO not supported" );

    52         return FALSE;

    53     }

    55     return TRUE;

    56 }

    58 void video_nsgl_update()

    59 {

    60     if( nsgl_context != nil ) {

    61         [nsgl_context update];

    62     }

    63 }

    65 void video_nsgl_make_current()

    66 {

    67     if( nsgl_context != nil ) {

    68         [nsgl_context makeCurrentContext];

    69     }

    70 }

    72 void video_nsgl_swap_buffers()

    73 {

    74     if( nsgl_context != nil ) {

    75         [nsgl_context flushBuffer];

    76     }

    77 }

    79 void video_nsgl_shutdown()

    80 {

    81     if( nsgl_context != nil ) {

    82         [NSOpenGLContext clearCurrentContext];

    83         [nsgl_context release];

    84         nsgl_context = nil;

    85     }

    86 }