# HG changeset patch
# User John Tsiombikas <nuclear@member.fsf.org>
# Date 1455830509 -7200
# Node ID 7e911c994ef210310c1daa091e0897c6c78b2f8b
# Parent  b469e6a72636ff005e5de81d4a1d17ec970552e8
should work on mac now

diff -r b469e6a72636 -r 7e911c994ef2 Makefile
--- a/Makefile	Thu Feb 18 23:15:43 2016 +0200
+++ b/Makefile	Thu Feb 18 23:21:49 2016 +0200
@@ -4,7 +4,13 @@
 
 CC = gcc
 CFLAGS = -pedantic -Wall -g
-LDFLAGS = -lglut -lGL -lGLU
+LDFLAGS = $(libgl)
+
+ifeq ($(shell uname -s), Darwin)
+	libgl = -framework OpenGL -framework GLUT -lGLEW
+else
+	libgl = -lGL -lGLU -lglut -lGLEW
+endif
 
 $(bin):	$(obj)
 	$(CC) -o $@ $(obj) $(LDFLAGS)
diff -r b469e6a72636 -r 7e911c994ef2 refmod_test.c
--- a/refmod_test.c	Thu Feb 18 23:15:43 2016 +0200
+++ b/refmod_test.c	Thu Feb 18 23:21:49 2016 +0200
@@ -1,7 +1,12 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <GL/glew.h>
+#ifdef __APPLE__
+#include <GLUT/glut.h>
+#else
 #include <GL/glut.h>
+#endif
 #include "sdr.h"
 
 #ifdef FREEGLUT
diff -r b469e6a72636 -r 7e911c994ef2 sdr.c
--- a/sdr.c	Thu Feb 18 23:15:43 2016 +0200
+++ b/sdr.c	Thu Feb 18 23:21:49 2016 +0200
@@ -3,86 +3,19 @@
 #include <string.h>
 #include <errno.h>
 #include <assert.h>
+#include <GL/glew.h>
 
 #if defined(unix) || defined(__unix__)
 #include <unistd.h>
 #include <sys/stat.h>
-#include <GL/glx.h>
 #endif	/* unix */
 
-#if defined(WIN32) || defined(__WIN32__)
-#include <windows.h>
-
-#define glXGetProcAddress	wglGetProcAddress
-#endif	/* windows */
-
-#define GL_GLEXT_LEGACY
-#include <GL/gl.h>
-
 #include "sdr.h"
 
-#ifndef GL_VERSION_2_0
-
-#define GL_FRAGMENT_SHADER                0x8B30
-#define GL_VERTEX_SHADER                  0x8B31
-#define GL_COMPILE_STATUS                 0x8B81
-#define GL_LINK_STATUS                    0x8B82
-#define GL_INFO_LOG_LENGTH                0x8B84
-#define GL_CURRENT_PROGRAM                0x8B8D
-
-typedef char GLchar;
-
-GLuint (*glCreateProgram)(void);
-GLuint (*glCreateShader)(GLenum);
-void (*glDeleteProgram)(GLuint);
-void (*glDeleteShader)(GLuint);
-void (*glCompileShader)(GLuint);
-void (*glAttachShader)(GLuint, GLuint);
-void (*glGetShaderiv)(GLuint, GLenum, GLint *);
-void (*glGetShaderInfoLog)(GLuint, GLsizei, GLsizei *, GLchar *);
-void (*glGetProgramiv)(GLuint, GLenum, GLint *);
-void (*glGetProgramInfoLog)(GLuint, GLsizei, GLsizei *, GLchar *);
-void (*glLinkProgram)(GLuint);
-void (*glShaderSource)(GLuint, GLsizei, const GLchar* *, const GLint *);
-void (*glUseProgram)(GLuint);
-GLint (*glGetUniformLocation)(GLuint, const GLchar *);
-void (*glUniform1f)(GLint, GLfloat);
-void (*glUniform2f)(GLint, GLfloat, GLfloat);
-void (*glUniform3f)(GLint, GLfloat, GLfloat, GLfloat);
-void (*glUniform4f)(GLint, GLfloat, GLfloat, GLfloat, GLfloat);
-void (*glUniform1i)(GLint, GLint);
-void (*glUniformMatrix4fv)(GLint, GLsizei, GLboolean, const GLfloat *);
-GLint (*glGetAttribLocation)(GLuint, const GLchar *);
-void (*glVertexAttrib3f)(GLint, GLfloat, GLfloat, GLfloat);
-
 void init_sdr(void)
 {
-	glCreateProgram = glXGetProcAddress("glCreateProgramObjectARB");
-	glCreateShader = glXGetProcAddress("glCreateShaderObjectARB");
-	glDeleteProgram = glXGetProcAddress("glDeleteObjectARB");
-	glDeleteShader = glXGetProcAddress("glDeleteObjectARB");
-	glCompileShader = glXGetProcAddress("glCompileShaderARB");
-	glAttachShader = glXGetProcAddress("glAttachObjectARB");
-	glGetShaderiv = glXGetProcAddress("glGetObjectParameterivARB");
-	glGetShaderInfoLog = glXGetProcAddress("glGetInfoLogARB");
-	glGetProgramiv = glXGetProcAddress("glGetObjectParameterivARB");
-	glGetProgramInfoLog = glXGetProcAddress("glGetInfoLogARB");
-	glLinkProgram = glXGetProcAddress("glLinkProgramARB");
-	glShaderSource = glXGetProcAddress("glShaderSourceARB");
-	glUseProgram = glXGetProcAddress("glUseProgramObjectARB");
-	glGetUniformLocation = glXGetProcAddress("glGetUniformLocationARB");
-	glUniform1f = glXGetProcAddress("glUniform1fARB");
-	glUniform2f = glXGetProcAddress("glUniform2fARB");
-	glUniform3f = glXGetProcAddress("glUniform3fARB");
-	glUniform4f = glXGetProcAddress("glUniform4fARB");
-	glUniform1i = glXGetProcAddress("glUniform1iARB");
-	glUniformMatrix4fv = glXGetProcAddress("glUniformMatrix4fvARB");
-	glGetAttribLocation = glXGetProcAddress("glGetAttribLocationARB");
-	glVertexAttrib3f = glXGetProcAddress("glVertexAttrib3fARB");
+	glewInit();
 }
-#else
-void init_sdr(void) {}
-#endif
 
 unsigned int create_vertex_shader(const char *src)
 {