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hydra/src/krhelpers.h
2021-08-16 16:33:38 -07:00

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//
// krhelpers.h
// Kraken Engine / Hydra
//
// Copyright 2021 Kearwood Gilbert. 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.
//
// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''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 KEARWOOD GILBERT OR
// CONTRIBUTORS 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.
//
// The views and conclusions contained in the software and documentation are those of the
// authors and should not be interpreted as representing official policies, either expressed
// or implied, of Kearwood Gilbert.
//
#ifndef KRHELPERS_H
#define KRHELPERS_H
#if defined(KRAKEN_USE_OPENGL)
#if defined(_WIN32) || defined(_WIN64)
#include <GL/glew.h>
#elif defined(__linux__) || defined(__unix__) || defined(__posix__)
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glext.h>
#elif defined(__APPLE__)
#include <OpenGL/gl3.h>
#include <OpenGL/gl3ext.h>
#endif
#endif // defined(KRAKEN_USE_OPENGL)
#include "../include/hydra.h"
#define KRMIN(x,y) ((x) < (y) ? (x) : (y))
#define KRMAX(x,y) ((x) > (y) ? (x) : (y))
#define KRCLAMP(x, min, max) (KRMAX(KRMIN(x, max), min))
#define KRALIGN(x) ((x + 3) & ~0x03)
float const PI = 3.141592653589793f;
float const D2R = PI * 2 / 360;
#if defined(KRAKEN_USE_OPENGL)
namespace kraken {
void SetUniform(GLint location, const Vector2 &v);
void SetUniform(GLint location, const Vector3 &v);
void SetUniform(GLint location, const Vector4 &v);
void SetUniform(GLint location, const Matrix4 &v);
} // namespace kraken
#endif // defined(KRAKEN_USE_OPENGL)
#endif