progs/glsl: finish conversion to GLEW

This is a follow-on to b799af91d5ffbee1481161fec29eb4c92b161272.
Remove _func function suffix and unneeded #includes.

1 files changed, 17 insertions, 22 deletions

diff --git a/progs/glsl/multinoise.c b/progs/glsl/multinoise.c
index 400511508e1..0afe2308012 100644
--- a/progs/glsl/multinoise.c
+++ b/progs/glsl/multinoise.c
@@ -9,10 +9,7 @@
 #include <stdlib.h>
 #include <math.h>
 #include <GL/glew.h>
-#include <GL/gl.h>
 #include <GL/glut.h>
-#include <GL/glext.h>
-#include "extfuncs.h"
 
 static const char *VertShaderText =
    "void main() {\n"
@@ -108,10 +105,10 @@ CleanUp(void)
 {
    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);
 }
@@ -144,7 +141,7 @@ Key(unsigned char key, int x, int y)
    case '2':
    case '3':
    case '4':
-      glUseProgram_func(program[ key - '1' ]);
+      glUseProgram(program[ key - '1' ]);
       break;
    case 27:
       CleanUp();
@@ -187,15 +184,15 @@ LoadAndCompileShader(GLuint shader, const char *text)
 {
    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);
    }
@@ -209,11 +206,11 @@ static void
 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 {
@@ -234,22 +231,20 @@ Init(void)
       /*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);