//-------------------------------------------------------------------------

//

//  File: Exhibit.h

//

//  Abstract: GLSL Exhibit base class.  Subclass this to create

//            your own additional exhibits

//           

//  Disclaimer: IMPORTANT:  This Apple software is supplied to you by

//  Apple Inc. ("Apple") in consideration of your agreement to the

//  following terms, and your use, installation, modification or

//  redistribution of this Apple software constitutes acceptance of these

//  terms.  If you do not agree with these terms, please do not use,

//  install, modify or redistribute this Apple software.

//  

//  In consideration of your agreement to abide by the following terms, and

//  subject to these terms, Apple grants you a personal, non-exclusive

//  license, under Apple's copyrights in this original Apple software (the

//  "Apple Software"), to use, reproduce, modify and redistribute the Apple

//  Software, with or without modifications, in source and/or binary forms;

//  provided that if you redistribute the Apple Software in its entirety and

//  without modifications, you must retain this notice and the following

//  text and disclaimers in all such redistributions of the Apple Software. 

//  Neither the name, trademarks, service marks or logos of Apple Inc.

//  may be used to endorse or promote products derived from the Apple

//  Software without specific prior written permission from Apple.  Except

//  as expressly stated in this notice, no other rights or licenses, express

//  or implied, are granted by Apple herein, including but not limited to

//  any patent rights that may be infringed by your derivative works or by

//  other works in which the Apple Software may be incorporated.

//  

//  The Apple Software is provided by Apple on an "AS IS" basis.  APPLE

//  MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

//  THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS

//  FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND

//  OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.

//  

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//  POSSIBILITY OF SUCH DAMAGE.

// 

//  Copyright (c) 2004-2007 Apple Inc., All rights reserved.

//

//-------------------------------------------------------------------------

// Required Includes

#import <Cocoa/Cocoa.h>

#import <OpenGL/OpenGL.h>

#import <OpenGL/gl.h>

#import <OpenGL/glext.h>

@interface OpenGLExhibit : NSObject

{

    @private

        const GLcharARB  *vertexShaderSource;

        const GLcharARB  *fragmentShaderSource;

        BOOL  initialised;

        BOOL  gpuProcessingInit;

        BOOL  gpuProcessing;

    @protected

        NSBundle     *appBundle;

        GLhandleARB   programObject;

} // OpenGLExhibit

- (void) initLazy;

- (NSString *) name;

- (NSString *) descriptionFilename;

- (BOOL) isGPUProcessingShaders;

- (BOOL) isGPUProcessingShadersLogResults;

- (GLint) getUniformLocation:(GLhandleARB)theProgramObject uniformName:(const GLcharARB *)theUniformName;

- (BOOL) loadShadersFromResource:(NSString *)shadersName;

- (GLuint) loadNoiseTexture;

- (GLuint) loadTextureFromResource:(NSString *)textureResourceName;

- (GLuint) loadFrameBufferTexture:(GLint *)viewport;

- (void)   copyFramebufferToTexture:(GLuint)textureID;

- (void) renderFrame;

- (BOOL) reflect;

@end