(root)/iphone/common : /source/GLESView.h (revision 96)

//

//  GLESView.h

//  MarineCompass

//

//  Created by döme on 03.08.2009.

//

/*

 * Copyright (c) 2009 Doemoetoer Gulyas.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. The name of the author may not be used to endorse or promote products

 *    derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#import <UIKit/UIKit.h>

#import <OpenGLES/EAGL.h>

#import <OpenGLES/ES2/gl.h>

#import <OpenGLES/ES2/glext.h>

#import <QuartzCore/QuartzCore.h>

#define USE_DEPTH_BUFFER 1

void* loadGrayscaleImageAtPath(NSString* path, int* wp, int* hp);

@interface GLESView : UIView

{

	float osVersion;

    GLint backingWidth;

    GLint backingHeight;

    EAGLContext *context;

    /* OpenGL names for the renderbuffer and framebuffers used to render to this view */

    GLuint viewRenderbuffer, viewFramebuffer;

    /* OpenGL name for the depth buffer that is attached to viewFramebuffer, if it exists (0 if it does not exist) */

    GLuint depthRenderbuffer;

	CADisplayLink*	displayLink;

	NSThread*		displayThread;

	BOOL			displayThreadShouldRun;

	BOOL			recreateFramebuffer;

}

- (void) setupGraphicsForApi: (EAGLRenderingAPI) glApi;

- (void) textureFromCgImage: (CGImageRef) img nonUniformScale: (BOOL) nonUniformScale texName: (GLuint*) texname width: (size_t) width height: (size_t) height repeat: (BOOL) doRepeat mipmap: (BOOL) doMipmap filter: (BOOL) doFilter;

- (void) textureFromGrayscaleData: (void*) data  texName: (GLuint*) texname width: (size_t) width height: (size_t) height repeat: (BOOL) doRepeat mipmap: (BOOL) doMipmap filter: (BOOL) doFilter;

- (void) loadTextureFromBitmapNamed: (NSString*) name texName: (GLuint*) texname repeat: (BOOL) doRepeat mipmap: (BOOL) doMipmap filter: (BOOL) doFilter;

- (void) loadGrayscaleTextureFromBitmapAtPath: (NSString*) path texName: (GLuint*) texname repeat: (BOOL) doRepeat mipmap: (BOOL) doMipmap filter: (BOOL) doFilter;

- (void) loadTextureFromPDFNamed: (NSString*) name texName: (GLuint*) texname width: (size_t) width height: (size_t) height repeat: (BOOL) doRepeat mipmap: (BOOL) doMipmap filter: (BOOL) doFilter;

- (void) loadTextureFromPvrAtPath: (NSString*) path texName: (GLuint*) texname;

- (void) lineGradientTexture: (GLuint*) texname red: (float) r green: (float) g blue: (float) b;

- (void) doubleGradientTexture: (GLuint*) texname red: (float) r green: (float) g blue: (float) b;

- (void)animationCallback: (double) time;

- (void)startAnimation: (BOOL) threaded;

- (void)stopAnimation;

- (void) setupViewDrawing;

- (void) finishViewDrawing;

- (void) drawView: (double) time;

@property NSTimeInterval animationInterval;

@end