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annotate src/video/uikit/SDL_uikitopenglview.m @ 2403:e9a1eed243c9 gsoc2008_iphone

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Added standard SDL header comments
author Holmes Futrell <hfutrell@umail.ucsb.edu>
date Tue, 22 Jul 2008 23:05:40 +0000
parents e103b316a4ef
children ec93e20ff04e
rev   line source
2403
e9a1eed243c9 Added standard SDL header comments
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1 /*
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2 SDL - Simple DirectMedia Layer
e9a1eed243c9 Added standard SDL header comments
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3 Copyright (C) 1997-2006 Sam Lantinga
e9a1eed243c9 Added standard SDL header comments
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4
e9a1eed243c9 Added standard SDL header comments
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5 This library is free software; you can redistribute it and/or
e9a1eed243c9 Added standard SDL header comments
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6 modify it under the terms of the GNU Lesser General Public
e9a1eed243c9 Added standard SDL header comments
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7 License as published by the Free Software Foundation; either
e9a1eed243c9 Added standard SDL header comments
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8 version 2.1 of the License, or (at your option) any later version.
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9
e9a1eed243c9 Added standard SDL header comments
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10 This library is distributed in the hope that it will be useful,
e9a1eed243c9 Added standard SDL header comments
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
e9a1eed243c9 Added standard SDL header comments
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
e9a1eed243c9 Added standard SDL header comments
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13 Lesser General Public License for more details.
e9a1eed243c9 Added standard SDL header comments
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14
e9a1eed243c9 Added standard SDL header comments
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15 You should have received a copy of the GNU Lesser General Public
e9a1eed243c9 Added standard SDL header comments
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16 License along with this library; if not, write to the Free Software
e9a1eed243c9 Added standard SDL header comments
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
e9a1eed243c9 Added standard SDL header comments
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19 Sam Lantinga
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20 slouken@libsdl.org
e9a1eed243c9 Added standard SDL header comments
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21 */
2351
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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22
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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23 #import <QuartzCore/QuartzCore.h>
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24 #import <OpenGLES/EAGLDrawable.h>
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25 #import "SDL_uikitopenglview.h"
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26
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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27 // A class extension to declare private methods
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28 @interface SDL_uikitopenglview (privateMethods)
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29
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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30 - (BOOL) createFramebuffer;
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31 - (void) destroyFramebuffer;
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32
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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33 @end
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34
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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35
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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36 @implementation SDL_uikitopenglview
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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37
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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38 @synthesize context;
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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39 // You must implement this
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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40 + (Class)layerClass {
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41 return [CAEAGLLayer class];
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42 }
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43
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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44 /*
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45 stencilBits ignored.
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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46 Right now iPhone stencil buffer doesn't appear supported. Maybe it will be in the future ... who knows.
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47 */
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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48 - (id)initWithFrame:(CGRect)frame \
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49 retainBacking:(BOOL)retained \
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50 rBits:(int)rBits \
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51 gBits:(int)gBits \
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52 bBits:(int)bBits \
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53 aBits:(int)aBits \
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54 depthBits:(int)depthBits \
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55 {
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56
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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57 NSString *colorFormat=nil;
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58 GLuint depthBufferFormat;
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59 BOOL useDepthBuffer;
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60
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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61 if (rBits == 8 && gBits == 8 && bBits == 8) {
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62 /* if user specifically requests rbg888 or some color format higher than 16bpp */
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63 colorFormat = kEAGLColorFormatRGBA8;
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64 }
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65 else {
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66 /* default case (faster) */
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67 colorFormat = kEAGLColorFormatRGB565;
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68 }
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69
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70 if (depthBits == 24) {
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71 useDepthBuffer = YES;
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72 depthBufferFormat = GL_DEPTH_COMPONENT24_OES;
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73 }
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74 else if (depthBits == 0) {
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75 useDepthBuffer = NO;
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76 }
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77 else {
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78 /* default case when depth buffer is not disabled */
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79 /*
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80 strange, even when we use this, we seem to get a 24 bit depth buffer on iPhone.
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81 perhaps that's the only depth format iPhone actually supports
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82 */
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83 useDepthBuffer = YES;
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84 depthBufferFormat = GL_DEPTH_COMPONENT16_OES;
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85 }
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86
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87 if ((self = [super initWithFrame:frame])) {
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88 // Get the layer
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89 CAEAGLLayer *eaglLayer = (CAEAGLLayer *)self.layer;
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90
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91 eaglLayer.opaque = YES;
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
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diff changeset
92 eaglLayer.drawableProperties = [NSDictionary dictionaryWithObjectsAndKeys:
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
93 [NSNumber numberWithBool: retained], kEAGLDrawablePropertyRetainedBacking, colorFormat, kEAGLDrawablePropertyColorFormat, nil];
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
94
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
95 context = [[EAGLContext alloc] initWithAPI: kEAGLRenderingAPIOpenGLES1];
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
96
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
97 if (!context || ![EAGLContext setCurrentContext:context]) {
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
98 [self release];
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
99 return nil;
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
100 }
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
101
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
102 /* create the buffers */
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
103 glGenFramebuffersOES(1, &viewFramebuffer);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
104 glGenRenderbuffersOES(1, &viewRenderbuffer);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
105
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
106 glBindFramebufferOES(GL_FRAMEBUFFER_OES, viewFramebuffer);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
107 glBindRenderbufferOES(GL_RENDERBUFFER_OES, viewRenderbuffer);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
108 [context renderbufferStorage:GL_RENDERBUFFER_OES fromDrawable:(CAEAGLLayer*)self.layer];
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
109 glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, viewRenderbuffer);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
110
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
111 glGetRenderbufferParameterivOES(GL_RENDERBUFFER_OES, GL_RENDERBUFFER_WIDTH_OES, &backingWidth);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
112 glGetRenderbufferParameterivOES(GL_RENDERBUFFER_OES, GL_RENDERBUFFER_HEIGHT_OES, &backingHeight);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
113
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
114 if (useDepthBuffer) {
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
115 glGenRenderbuffersOES(1, &depthRenderbuffer);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
116 glBindRenderbufferOES(GL_RENDERBUFFER_OES, depthRenderbuffer);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
117 glRenderbufferStorageOES(GL_RENDERBUFFER_OES, depthBufferFormat, backingWidth, backingHeight);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
118 glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, depthRenderbuffer);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
119 }
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
120
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
121 if(glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES) != GL_FRAMEBUFFER_COMPLETE_OES) {
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
122 NSLog(@"failed to make complete framebuffer object %x", glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES));
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
123 return NO;
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
124 }
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
125 /* end create buffers */
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
126
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
127 NSLog(@"Done initializing ...");
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
128
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
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diff changeset
129 }
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
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diff changeset
130 return self;
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
131 }
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
132
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
133 - (void)setCurrentContext {
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
134 [EAGLContext setCurrentContext:context];
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
135 }
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
136
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
137
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
138 - (void)swapBuffers {
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
139
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
140
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
141 glBindRenderbufferOES(GL_RENDERBUFFER_OES, viewRenderbuffer);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
142 if (![context presentRenderbuffer:GL_RENDERBUFFER_OES]) {
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
143 NSLog(@"Could not swap buffers");
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
144 }
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
145 }
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
146
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
147
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
148 - (void)layoutSubviews {
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
149 [EAGLContext setCurrentContext:context];
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
150 }
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
151
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
152 - (void)destroyFramebuffer {
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
153
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
154 glDeleteFramebuffersOES(1, &viewFramebuffer);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
155 viewFramebuffer = 0;
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
156 glDeleteRenderbuffersOES(1, &viewRenderbuffer);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
157 viewRenderbuffer = 0;
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
158
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
159 if (depthRenderbuffer) {
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
160 glDeleteRenderbuffersOES(1, &depthRenderbuffer);
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
161 depthRenderbuffer = 0;
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
162 }
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
163 }
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
164
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
165
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
166 - (void)dealloc {
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
167
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
168 [self destroyFramebuffer];
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
169 if ([EAGLContext currentContext] == context) {
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
170 [EAGLContext setCurrentContext:nil];
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
171 }
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
172 [context release];
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
173 [super dealloc];
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
174
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
175 }
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
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176
d2a519d2cc57 SDL_uikitopenglview is an OpenGL ES View class based on the one found in Apple's OpenGL ES based application template. It's created from SDL_uikitopengles.m, normally.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
177 @end