filename | src/drivers/video_nsgl.m |
changeset | 1134:f502f3d32f90 |
prev | 1076:18c164e8aec4 |
next | 1159:580436b01b6c |
author | nkeynes |
date | Sun Oct 24 15:22:59 2010 +1000 (13 years ago) |
permissions | -rw-r--r-- |
last change | Eliminate GL_REPLACE tex mode in favour of GL_MODULATE (by setting colour values to 1.0) - one less case for shaders to care about later |
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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 driver->capabilities.has_gl = TRUE;
45 if( gl_fbo_is_supported() ) {
46 gl_fbo_init(driver);
47 } else {
48 /* Note there is a 'native' buffer framework, but since all current
49 * Apple drivers appear to support FBO, there's not much point in
50 * doing the work to support them.
51 */
52 ERROR( "FBO not supported" );
53 return FALSE;
54 }
56 return TRUE;
57 }
59 void video_nsgl_update()
60 {
61 if( nsgl_context != nil ) {
62 [nsgl_context update];
63 }
64 }
66 void video_nsgl_make_current()
67 {
68 if( nsgl_context != nil ) {
69 [nsgl_context makeCurrentContext];
70 }
71 }
73 void video_nsgl_swap_buffers()
74 {
75 if( nsgl_context != nil ) {
76 [nsgl_context flushBuffer];
77 }
78 }
80 void video_nsgl_shutdown()
81 {
82 if( nsgl_context != nil ) {
83 [NSOpenGLContext clearCurrentContext];
84 [nsgl_context release];
85 nsgl_context = nil;
86 }
87 }
.