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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef INCLUDED_OGLTRANS_SHADERS_HXX_
#define INCLUDED_OGLTRANS_SHADERS_HXX_
/* FIXME : Really needed ? */
#define GL_GLEXT_PROTOTYPES 1
/* Required Includes */
#import <Cocoa/Cocoa.h>
#import <OpenGL/gl.h>
#import <OpenGL/glext.h>
#import <OpenGL/glu.h>
#import <OpenGL/OpenGL.h>
#import <GLUT/glut.h>
/* Parameter */
typedef struct _Parameter {
float current [4];
float min [4];
float max [4];
float delta [4];
} Parameter;
/* Macros */
#define PARAMETER_CURRENT(p) (p.current)
#define PARAMETER_ANIMATE(p) ({ int i; for (i = 0; i < 4; i ++) { \
p.current[i] += p.delta[i]; \
if ((p.current[i] < p.min[i]) || (p.current[i] > p.max[i])) \
p.delta[i] = -p.delta[i]; } } )
/* OGLShaders base class */
@interface OGLShaders : NSObject
{
BOOL initialised;
GLhandleARB vertex_shader;
GLhandleARB fragment_shader;
GLhandleARB program_object;
GLUquadric *quadric;
BOOL gpuProcessingInit;
BOOL gpuProcessing;
}
- (id) init;
- (void) initLazy;
- (void) dealloc;
- (NSString *) name;
- (NSString *) descriptionFilename;
- (unsigned int) loadVertexShader: (NSString *) vertexString fragmentShader: (NSString *) fragmentString;
/* if!initialized -> initLazy */
- (void) renderFrame;
/* Check whether software rasterization or software vertex processing will be used */
- (BOOL) reflect;
@end
// Utility Functions
int NextHighestPowerOf2(int n);
void CopyFramebufferToTexture(GLuint texture);
NSBitmapImageRep *LoadImage(NSString *path, int shouldFlipVertical);
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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