SDL_uikitopenglview.h (2722B)
1/* 2 Simple DirectMedia Layer 3 Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org> 4 5 This software is provided 'as-is', without any express or implied 6 warranty. In no event will the authors be held liable for any damages 7 arising from the use of this software. 8 9 Permission is granted to anyone to use this software for any purpose, 10 including commercial applications, and to alter it and redistribute it 11 freely, subject to the following restrictions: 12 13 1. The origin of this software must not be misrepresented; you must not 14 claim that you wrote the original software. If you use this software 15 in a product, an acknowledgment in the product documentation would be 16 appreciated but is not required. 17 2. Altered source versions must be plainly marked as such, and must not be 18 misrepresented as being the original software. 19 3. This notice may not be removed or altered from any source distribution. 20*/ 21 22#import <UIKit/UIKit.h> 23#import <OpenGLES/EAGL.h> 24#import <OpenGLES/ES1/gl.h> 25#import <OpenGLES/ES1/glext.h> 26#import "SDL_uikitview.h" 27/* 28 This class wraps the CAEAGLLayer from CoreAnimation into a convenient UIView subclass. 29 The view content is basically an EAGL surface you render your OpenGL scene into. 30 Note that setting the view non-opaque will only work if the EAGL surface has an alpha channel. 31 */ 32@interface SDL_uikitopenglview : SDL_uikitview { 33 34@private 35 /* The pixel dimensions of the backbuffer */ 36 GLint backingWidth; 37 GLint backingHeight; 38 39 EAGLContext *context; 40 41 /* OpenGL names for the renderbuffer and framebuffers used to render to this view */ 42 GLuint viewRenderbuffer, viewFramebuffer; 43 44 /* OpenGL name for the depth buffer that is attached to viewFramebuffer, if it exists (0 if it does not exist) */ 45 GLuint depthRenderbuffer; 46 47 /* format of depthRenderbuffer */ 48 GLenum depthBufferFormat; 49 50 id displayLink; 51 int animationInterval; 52 void (*animationCallback)(void*); 53 void *animationCallbackParam; 54} 55 56@property (nonatomic, retain, readonly) EAGLContext *context; 57 58- (void)swapBuffers; 59- (void)setCurrentContext; 60 61- (id)initWithFrame:(CGRect)frame 62 scale:(CGFloat)scale 63 retainBacking:(BOOL)retained 64 rBits:(int)rBits 65 gBits:(int)gBits 66 bBits:(int)bBits 67 aBits:(int)aBits 68 depthBits:(int)depthBits 69 stencilBits:(int)stencilBits 70 majorVersion:(int)majorVersion 71 shareGroup:(EAGLSharegroup*)shareGroup; 72 73- (void)updateFrame; 74 75- (void)setAnimationCallback:(int)interval 76 callback:(void (*)(void*))callback 77 callbackParam:(void*)callbackParam; 78 79- (void)startAnimation; 80- (void)stopAnimation; 81 82- (void)doLoop:(CADisplayLink*)sender; 83 84@end 85 86/* vi: set ts=4 sw=4 expandtab: */