src/video/uikit/SDL_uikitopenglview.h
author Sam Lantinga <slouken@libsdl.org>
Sun, 06 Feb 2011 10:22:25 -0800
changeset 5209 115fff0641ee
parent 5133 b915b3181cc2
child 5262 b530ef003506
permissions -rw-r--r--
Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     1
/*
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     2
    SDL - Simple DirectMedia Layer
3697
f7b03b6838cb Fixed bug #926
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
     3
    Copyright (C) 1997-2010 Sam Lantinga
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     4
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     5
    This library is free software; you can redistribute it and/or
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     6
    modify it under the terms of the GNU Lesser General Public
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     7
    License as published by the Free Software Foundation; either
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     8
    version 2.1 of the License, or (at your option) any later version.
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     9
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    10
    This library is distributed in the hope that it will be useful,
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    11
    but WITHOUT ANY WARRANTY; without even the implied warranty of
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    12
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    13
    Lesser General Public License for more details.
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    14
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    15
    You should have received a copy of the GNU Lesser General Public
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    16
    License along with this library; if not, write to the Free Software
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    17
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    18
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    19
    Sam Lantinga
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    20
    slouken@libsdl.org
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    21
*/
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    22
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    23
#import <UIKit/UIKit.h>
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    24
#import <OpenGLES/EAGL.h>
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    25
#import <OpenGLES/ES1/gl.h>
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    26
#import <OpenGLES/ES1/glext.h>
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    27
#import "SDL_uikitview.h"
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    28
/*
5209
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    29
    This class wraps the CAEAGLLayer from CoreAnimation into a convenient UIView subclass.
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    30
    The view content is basically an EAGL surface you render your OpenGL scene into.
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    31
    Note that setting the view non-opaque will only work if the EAGL surface has an alpha channel.
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    32
 */
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    33
/* *INDENT-OFF* */
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    34
@interface SDL_uikitopenglview : SDL_uikitview {
5209
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    35
    
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    36
@private
5209
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    37
    /* The pixel dimensions of the backbuffer */
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    38
    GLint backingWidth;
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    39
    GLint backingHeight;
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    40
    
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    41
    EAGLContext *context;
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    42
    
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    43
    /* OpenGL names for the renderbuffer and framebuffers used to render to this view */
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    44
    GLuint viewRenderbuffer, viewFramebuffer;
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    45
    
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    46
    /* OpenGL name for the depth buffer that is attached to viewFramebuffer, if it exists (0 if it does not exist) */
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    47
    GLuint depthRenderbuffer;
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    48
    
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    49
}
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    50
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    51
@property (nonatomic, retain, readonly) EAGLContext *context;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    52
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    53
- (void)swapBuffers;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    54
- (void)setCurrentContext;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    55
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    56
- (id)initWithFrame:(CGRect)frame
5209
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    57
    retainBacking:(BOOL)retained \
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    58
    rBits:(int)rBits \
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    59
    gBits:(int)gBits \
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    60
    bBits:(int)bBits \
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    61
    aBits:(int)aBits \
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    62
    depthBits:(int)depthBits \
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5133
diff changeset
    63
    majorVersion:(int)majorVersion;
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    64
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    65
@end
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    66
/* *INDENT-ON* */
5133
b915b3181cc2 Fixed spacing, adding vim spacing hints
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
    67
b915b3181cc2 Fixed spacing, adding vim spacing hints
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
    68
/* vi: set ts=4 sw=4 expandtab: */