[source lang=c]
// Header File For Loading and Executing GLSL Shader Files
#define __ARB_ENABLE true
// #define EXT_INFO
#define MAX_EXTENSION_SPACE 10240
#define MAX_EXTENSION_LENGTH 256
bool multitextureSupported=false;
bool useMultitexture=true;
GLint maxTexelUnits=1;

PFNGLCREATEPROGRAMPROC glCreateProgram = NULL;
PFNGLATTACHSHADERPROC glAttachShader = NULL;
PFNGLLINKPROGRAMPROC glLinkProgram = NULL;
PFNGLUSEPROGRAMPROC glUseProgram = NULL;
PFNGLCREATESHADERPROC glCreateShader = NULL;
PFNGLSHADERSOURCEPROC glShaderSource = NULL;
PFNGLCOMPILESHADERPROC glCompileShader = NULL;

void loadExtensions()
{
	glCreateProgram = (PFNGLCREATEPROGRAMPROC) wglGetProcAddress("glCreateProgram");
	glAttachShader  = (PFNGLATTACHSHADERPROC)  wglGetProcAddress("glAttachShader");
	glLinkProgram   = (PFNGLLINKPROGRAMPROC)   wglGetProcAddress("glLinkProgram");
	glUseProgram    = (PFNGLUSEPROGRAMPROC)    wglGetProcAddress("glUseProgram");
	glCreateShader	= (PFNGLCREATESHADERPROC)  wglGetProcAddress("glCreateShader");
	glShaderSource  = (PFNGLSHADERSOURCEPROC)  wglGetProcAddress("glShaderSource");
	glCompileShader = (PFNGLCOMPILESHADERPROC) wglGetProcAddress("glCompileShader");

	GLuint v = glCreateShader(GL_VERTEX_SHADER);
	GLuint f = glCreateShader(GL_FRAGMENT_SHADER);
	GLuint p = glCreateProgram();
	char buffer[50];
	sprintf(buffer,"Creating Shader Program(ID:%i)",p);
	writeLog(buffer,"",TRUE);

	FILE *file;
	FILE *debug;
	sprintf(buffer,"Creating Vertex Shader(ID:%i)",v);
	if((file=fopen("Data\\Shaders\\vertex.shader","r"))==NULL)
	{
		writeLog(buffer,"",FALSE);
	} else {
		char vShaderSource[500];
		fscanf(file,vShaderSource);
		fclose(file);
		const GLchar * vs = vShaderSource;
		debug=fopen("shaderLog.txt","w");
		fputs(vs,debug);
		fclose(debug);
		glShaderSource(v,1,&vs,NULL);
		writeLog(buffer,"",TRUE);		
	}
	
	sprintf(buffer,"Creating Fragment Shader(ID:%i)",f);
	if((file=fopen("Data\\Shaders\\fragment.shader","r"))==NULL)
	{
		writeLog(buffer,"",FALSE);
	} else {
		char fShaderSource[500];
		fscanf(file,fShaderSource);
		fclose(file);

		const GLchar * fs = fShaderSource;
		glShaderSource(f,1,&fs,NULL);
		writeLog(buffer,"",TRUE);
	}

	glAttachShader(p,v);
	glAttachShader(p,f);

	glLinkProgram(p);

	glUseProgram(p);
}