#include <stdio.h>
#include <stdlib.h>
#include <math.h>
-#include <GL/gl.h>
+#include <GL/glew.h>
#include <GL/glut.h>
-#include <GL/glext.h>
-#include "extfuncs.h"
static const char *VertShaderText =
"void main() {\n"
{
GLint i;
- glDeleteShader_func(vertShader);
+ glDeleteShader(vertShader);
for( i = 0; i < 4; i++ ) {
- glDeleteShader_func(fragShader[ i ]);
- glDeleteProgram_func(program[ i ]);
+ glDeleteShader(fragShader[ i ]);
+ glDeleteProgram(program[ i ]);
}
glutDestroyWindow(win);
}
case '2':
case '3':
case '4':
- glUseProgram_func(program[ key - '1' ]);
+ glUseProgram(program[ key - '1' ]);
break;
case 27:
CleanUp();
{
GLint stat;
- glShaderSource_func(shader, 1, (const GLchar **) &text, NULL);
+ glShaderSource(shader, 1, (const GLchar **) &text, NULL);
- glCompileShader_func(shader);
+ glCompileShader(shader);
- glGetShaderiv_func(shader, GL_COMPILE_STATUS, &stat);
+ glGetShaderiv(shader, GL_COMPILE_STATUS, &stat);
if (!stat) {
GLchar log[1000];
GLsizei len;
- glGetShaderInfoLog_func(shader, 1000, &len, log);
+ glGetShaderInfoLog(shader, 1000, &len, log);
fprintf(stderr, "noise: problem compiling shader: %s\n", log);
exit(1);
}
CheckLink(GLuint prog)
{
GLint stat;
- glGetProgramiv_func(prog, GL_LINK_STATUS, &stat);
+ glGetProgramiv(prog, GL_LINK_STATUS, &stat);
if (!stat) {
GLchar log[1000];
GLsizei len;
- glGetProgramInfoLog_func(prog, 1000, &len, log);
+ glGetProgramInfoLog(prog, 1000, &len, log);
fprintf(stderr, "Linker error:\n%s\n", log);
}
else {
/*exit(1);*/
}
- GetExtensionFuncs();
-
- vertShader = glCreateShader_func(GL_VERTEX_SHADER);
+ vertShader = glCreateShader(GL_VERTEX_SHADER);
LoadAndCompileShader(vertShader, VertShaderText);
for( i = 0; i < 4; i++ ) {
- fragShader[ i ] = glCreateShader_func(GL_FRAGMENT_SHADER);
+ fragShader[ i ] = glCreateShader(GL_FRAGMENT_SHADER);
LoadAndCompileShader(fragShader[ i ], FragShaderText[ i ]);
- program[ i ] = glCreateProgram_func();
- glAttachShader_func(program[ i ], fragShader[ i ]);
- glAttachShader_func(program[ i ], vertShader);
- glLinkProgram_func(program[ i ]);
+ program[ i ] = glCreateProgram();
+ glAttachShader(program[ i ], fragShader[ i ]);
+ glAttachShader(program[ i ], vertShader);
+ glLinkProgram(program[ i ]);
CheckLink(program[ i ]);
}
- glUseProgram_func(program[ 0 ]);
+ glUseProgram(program[ 0 ]);
assert(glGetError() == 0);
main(int argc, char *argv[])
{
glutInit(&argc, argv);
- glutInitWindowPosition( 0, 0);
glutInitWindowSize(400, 400);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
win = glutCreateWindow(argv[0]);
+ glewInit();
glutReshapeFunc(Reshape);
glutKeyboardFunc(Key);
glutSpecialFunc(SpecialKey);