#pragma once

#if defined(__APPLE__) && !defined(EMSCRIPTEN)

#include <OpenGL/gl.h>

#else

#include "GL/gl.h"

#endif

/* emscripten cannot find these functions */

#ifdef EMSCRIPTEN

void glGetProgramInfoLog(GLuint program, GLsizei maxLength, GLsizei *length, GLchar *infoLog);

void glLinkProgram(GLuint program);

void glUniform1i(GLint location, GLint v0);

GLuint glCreateProgram(void);

void glUseProgram(GLuint program);

void glDeleteProgram(GLuint program);

void glGetProgramiv(GLuint program, GLenum pname, GLint *params);

void glDeleteShader(GLuint shader);

void glBindAttribLocation(GLuint program, GLuint index, const GLchar *name);

void glAttachShader(GLuint program, GLuint shader);

void glBindBuffer(GLenum target, GLuint buffer);

void glUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);

void glEnableVertexAttribArray(GLuint index);

void glDisableVertexAttribArray(GLuint index);

void glGenBuffers(GLsizei n, GLuint * buffers);

void glDeleteBuffers(GLsizei n, const GLuint * buffers);

void glUniform4fv(GLint location, GLsizei count, const GLfloat *value);

void glVertexAttribPointer(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid * pointer);

void glBufferData(GLenum target, GLsizeiptr size, const GLvoid * data, GLenum usage);

void glUniform4f(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);

GLint glGetUniformLocation(GLuint program, const GLchar *name);

void glGetShaderInfoLog(GLuint shader, GLsizei maxLength, GLsizei *length, GLchar *infoLog);

void glGetShaderiv(GLuint shader, GLenum pname, GLint *params);

GLuint glCreateShader(GLenum shaderType);

void glCompileShader(GLuint shader);

//void glShaderSource(GLuint shader, GLsizei count,/* const dropped for pas2c compat */ GLchar **string, const GLint *length);

void glShaderSource(GLuint shader, GLsizei count, const GLchar *const*string, const GLint *length);

#endif