Mesa (mesa_7_5_branch): progs/glsl: finish conversion to GLEW

Brian Paul brianp at kemper.freedesktop.org
Fri Jul 17 20:44:09 UTC 2009


Module: Mesa
Branch: mesa_7_5_branch
Commit: ee0b1bc7d3fe659e0ed2f34a61b322f2bd2b8843
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ee0b1bc7d3fe659e0ed2f34a61b322f2bd2b8843

Author: Brian Paul <brianp at vmware.com>
Date:   Fri Jul 17 13:23:11 2009 -0600

progs/glsl: finish conversion to GLEW

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

---

 progs/glsl/array.c             |   16 ++++-------
 progs/glsl/bitmap.c            |   27 ++++++++------------
 progs/glsl/brick.c             |   19 +++++---------
 progs/glsl/bump.c              |   24 +++++++----------
 progs/glsl/deriv.c             |   19 +++++---------
 progs/glsl/fragcoord.c         |   19 +++++---------
 progs/glsl/identity.c          |   19 +++++---------
 progs/glsl/linktest.c          |   53 ++++++++++++++++++----------------------
 progs/glsl/mandelbrot.c        |   31 ++++++++++-------------
 progs/glsl/multinoise.c        |   39 +++++++++++++----------------
 progs/glsl/multitex.c          |   35 ++++++++++++--------------
 progs/glsl/noise.c             |   21 ++++++----------
 progs/glsl/pointcoord.c        |   23 +++++++----------
 progs/glsl/points.c            |   23 +++++++----------
 progs/glsl/samplers.c          |    9 ++----
 progs/glsl/shadow_sampler.c    |   49 ++++++++++++++++--------------------
 progs/glsl/skinning.c          |   27 ++++++++------------
 progs/glsl/texaaline.c         |    5 ----
 progs/glsl/texdemo1.c          |    9 ++----
 progs/glsl/toyball.c           |   13 +++-------
 progs/glsl/trirast.c           |   31 ++++++++++-------------
 progs/glsl/twoside.c           |   27 ++++++++------------
 progs/glsl/vert-or-frag-only.c |   25 +++++++-----------
 progs/glsl/vert-tex.c          |   13 +++-------
 24 files changed, 232 insertions(+), 344 deletions(-)

diff --git a/progs/glsl/array.c b/progs/glsl/array.c
index 6da15b2..4ed1848 100644
--- a/progs/glsl/array.c
+++ b/progs/glsl/array.c
@@ -10,9 +10,7 @@
 #include <stdlib.h>
 #include <math.h>
 #include <GL/glew.h>
-#include <GL/gl.h>
 #include <GL/glut.h>
-#include "extfuncs.h"
 #include "shaderutil.h"
 
 
@@ -144,9 +142,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -219,19 +217,17 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    vertShader = CompileShaderText(GL_VERTEX_SHADER, VertShaderText);
    fragShader = CompileShaderText(GL_FRAGMENT_SHADER, FragShaderText);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
    /* Setup the HeightArray[] uniform */
    for (i = 0; i < 20; i++)
       HeightArray[i] = i / 20.0;
-   u = glGetUniformLocation_func(program, "HeightArray");
-   glUniform1fv_func(u, 20, HeightArray);
+   u = glGetUniformLocation(program, "HeightArray");
+   glUniform1fv(u, 20, HeightArray);
 
    assert(glGetError() == 0);
 
diff --git a/progs/glsl/bitmap.c b/progs/glsl/bitmap.c
index 08fac15..8b1853d 100644
--- a/progs/glsl/bitmap.c
+++ b/progs/glsl/bitmap.c
@@ -10,10 +10,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -79,11 +76,11 @@ Redisplay(void)
       BitmapText("-X");
    }
    else {
-      glUseProgram_func(Program);
+      glUseProgram(Program);
 
       /* vertex positions (deltas) depend on texture size and window size */
       if (uScale != -1) {
-         glUniform2f_func(uScale,
+         glUniform2f(uScale,
                           2.0 * TEX_WIDTH / WinWidth,
                           2.0 * TEX_HEIGHT / WinHeight);
       }
@@ -106,7 +103,7 @@ Redisplay(void)
       glTexCoord2f(0, 1);  glVertex3fv(nx);
       glEnd();
 
-      glUseProgram_func(0);
+      glUseProgram(0);
    }
 
    glPopMatrix();
@@ -161,9 +158,9 @@ Key(unsigned char key, int x, int y)
          printf("Using billboard texture\n");
       break;
    case 27:
-      glDeleteShader_func(FragShader);
-      glDeleteShader_func(VertShader);
-      glDeleteProgram_func(Program);
+      glDeleteShader(FragShader);
+      glDeleteShader(VertShader);
+      glDeleteProgram(Program);
       glutDestroyWindow(Win);
       exit(0);
    }
@@ -278,21 +275,19 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    VertShader = CompileShaderText(GL_VERTEX_SHADER, vertShaderText);
    FragShader = CompileShaderText(GL_FRAGMENT_SHADER, fragShaderText);
    Program = LinkShaders(VertShader, FragShader);
 
-   glUseProgram_func(Program);
+   glUseProgram(Program);
 
-   uScale = glGetUniformLocation_func(Program, "scale");
-   uTex = glGetUniformLocation_func(Program, "tex2d");
+   uScale = glGetUniformLocation(Program, "scale");
+   uTex = glGetUniformLocation(Program, "tex2d");
    if (uTex != -1) {
-      glUniform1i_func(uTex, 0);  /* tex unit 0 */
+      glUniform1i(uTex, 0);  /* tex unit 0 */
    }
 
-   glUseProgram_func(0);
+   glUseProgram(0);
 
    glClearColor(0.3f, 0.3f, 0.3f, 0.0f);
    glEnable(GL_DEPTH_TEST);
diff --git a/progs/glsl/brick.c b/progs/glsl/brick.c
index 607acd0..1d08b23 100644
--- a/progs/glsl/brick.c
+++ b/progs/glsl/brick.c
@@ -10,10 +10,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -83,9 +80,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -145,13 +142,11 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    vertShader = CompileShaderFile(GL_VERTEX_SHADER, VertProgFile);
    fragShader = CompileShaderFile(GL_FRAGMENT_SHADER, FragProgFile);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
    InitUniforms(program, Uniforms);
 
@@ -161,9 +156,9 @@ Init(void)
 
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
-   assert(glIsProgram_func(program));
-   assert(glIsShader_func(fragShader));
-   assert(glIsShader_func(vertShader));
+   assert(glIsProgram(program));
+   assert(glIsShader(fragShader));
+   assert(glIsShader(vertShader));
 
    glColor3f(1, 0, 0);
 }
diff --git a/progs/glsl/bump.c b/progs/glsl/bump.c
index c401e59..ddb986a 100644
--- a/progs/glsl/bump.c
+++ b/progs/glsl/bump.c
@@ -9,10 +9,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/glut.h>
-#include <GL/glu.h>
-#include <GL/glext.h>
-#include "extfuncs.h"
 #include "shaderutil.h"
 
 
@@ -60,7 +58,7 @@ static void
 Square(GLfloat size)
 {
    glNormal3f(0, 0, 1);
-   glVertexAttrib3f_func(tangentAttrib, 1, 0, 0);
+   glVertexAttrib3f(tangentAttrib, 1, 0, 0);
    glBegin(GL_POLYGON);
    glTexCoord2f(0, 0);  glVertex2f(-size, -size);
    glTexCoord2f(1, 0);  glVertex2f( size, -size);
@@ -164,9 +162,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -230,17 +228,15 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    vertShader = CompileShaderFile(GL_VERTEX_SHADER, VertProgFile);
    fragShader = CompileShaderFile(GL_FRAGMENT_SHADER, FragProgFile);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
-   assert(glIsProgram_func(program));
-   assert(glIsShader_func(fragShader));
-   assert(glIsShader_func(vertShader));
+   assert(glIsProgram(program));
+   assert(glIsShader(fragShader));
+   assert(glIsShader(vertShader));
 
    assert(glGetError() == 0);
 
@@ -250,7 +246,7 @@ Init(void)
 
    CheckError(__LINE__);
 
-   tangentAttrib = glGetAttribLocation_func(program, "Tangent");
+   tangentAttrib = glGetAttribLocation(program, "Tangent");
    printf("Tangent Attrib: %d\n", tangentAttrib);
 
    assert(tangentAttrib >= 0);
diff --git a/progs/glsl/deriv.c b/progs/glsl/deriv.c
index 3fd674c..9cf1e40 100644
--- a/progs/glsl/deriv.c
+++ b/progs/glsl/deriv.c
@@ -14,10 +14,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -71,9 +68,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -178,13 +175,11 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    vertShader = CompileShaderText(GL_VERTEX_SHADER, vertShaderText);
    fragShader = CompileShaderText(GL_FRAGMENT_SHADER, fragShaderText);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
    /*assert(glGetError() == 0);*/
 
@@ -198,9 +193,9 @@ Init(void)
 
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
-   assert(glIsProgram_func(program));
-   assert(glIsShader_func(fragShader));
-   assert(glIsShader_func(vertShader));
+   assert(glIsProgram(program));
+   assert(glIsShader(fragShader));
+   assert(glIsShader(vertShader));
 
    glColor3f(1, 0, 0);
 }
diff --git a/progs/glsl/fragcoord.c b/progs/glsl/fragcoord.c
index 509ad47..9f56a03 100644
--- a/progs/glsl/fragcoord.c
+++ b/progs/glsl/fragcoord.c
@@ -13,10 +13,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -86,9 +83,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -130,13 +127,11 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    vertShader = CompileShaderText(GL_VERTEX_SHADER, vertShaderText);
    fragShader = CompileShaderText(GL_FRAGMENT_SHADER, fragShaderText);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
    /*assert(glGetError() == 0);*/
 
@@ -144,9 +139,9 @@ Init(void)
 
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
-   assert(glIsProgram_func(program));
-   assert(glIsShader_func(fragShader));
-   assert(glIsShader_func(vertShader));
+   assert(glIsProgram(program));
+   assert(glIsShader(fragShader));
+   assert(glIsShader(vertShader));
 
    glColor3f(1, 0, 0);
 }
diff --git a/progs/glsl/identity.c b/progs/glsl/identity.c
index 5ba7468..a772ccd 100644
--- a/progs/glsl/identity.c
+++ b/progs/glsl/identity.c
@@ -10,10 +10,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -70,9 +67,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -142,8 +139,6 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    if (FragProgFile)
       fragShader = CompileShaderFile(GL_FRAGMENT_SHADER, FragProgFile);
    else
@@ -156,7 +151,7 @@ Init(void)
 
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
    /*assert(glGetError() == 0);*/
 
@@ -165,9 +160,9 @@ Init(void)
 
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
-   assert(glIsProgram_func(program));
-   assert(glIsShader_func(fragShader));
-   assert(glIsShader_func(vertShader));
+   assert(glIsProgram(program));
+   assert(glIsShader(fragShader));
+   assert(glIsShader(vertShader));
 
    glColor3f(1, 0, 0);
 }
diff --git a/progs/glsl/linktest.c b/progs/glsl/linktest.c
index fe5d156..ec3fffb 100644
--- a/progs/glsl/linktest.c
+++ b/progs/glsl/linktest.c
@@ -10,10 +10,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -133,11 +130,11 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(VertShader1);
-   glDeleteShader_func(VertShader2);
-   glDeleteShader_func(FragShader1);
-   glDeleteShader_func(FragShader2);
-   glDeleteProgram_func(Program);
+   glDeleteShader(VertShader1);
+   glDeleteShader(VertShader2);
+   glDeleteShader(FragShader1);
+   glDeleteShader(FragShader2);
+   glDeleteProgram(Program);
    glutDestroyWindow(Win);
 }
 
@@ -176,11 +173,11 @@ 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);
    }
 }
@@ -192,8 +189,6 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
    VertShader1 = CompileShaderText(GL_VERTEX_SHADER, VertShaderSource1);
@@ -201,26 +196,26 @@ Init(void)
    FragShader1 = CompileShaderText(GL_FRAGMENT_SHADER, FragShaderSource1);
    FragShader2 = CompileShaderText(GL_FRAGMENT_SHADER, FragShaderSource2);
 
-   Program = glCreateProgram_func();
-   glAttachShader_func(Program, VertShader1);
-   glAttachShader_func(Program, VertShader2);
-   glAttachShader_func(Program, FragShader1);
-   glAttachShader_func(Program, FragShader2);
+   Program = glCreateProgram();
+   glAttachShader(Program, VertShader1);
+   glAttachShader(Program, VertShader2);
+   glAttachShader(Program, FragShader1);
+   glAttachShader(Program, FragShader2);
 
-   glLinkProgram_func(Program);
+   glLinkProgram(Program);
 
    CheckLink(Program);
 
-   glUseProgram_func(Program);
+   glUseProgram(Program);
 
-   uDiffuse = glGetUniformLocation_func(Program, "diffuse");
-   uSpecular = glGetUniformLocation_func(Program, "specular");
-   uTexture = glGetUniformLocation_func(Program, "texture");
+   uDiffuse = glGetUniformLocation(Program, "diffuse");
+   uSpecular = glGetUniformLocation(Program, "specular");
+   uTexture = glGetUniformLocation(Program, "texture");
    printf("DiffusePos %d  SpecularPos %d  TexturePos %d\n",
           uDiffuse, uSpecular, uTexture);
 
-   glUniform4fv_func(uDiffuse, 1, diffuse);
-   glUniform4fv_func(uSpecular, 1, specular);
+   glUniform4fv(uDiffuse, 1, diffuse);
+   glUniform4fv(uSpecular, 1, specular);
 
    glClearColor(0.3f, 0.3f, 0.3f, 0.0f);
    glEnable(GL_DEPTH_TEST);
@@ -229,11 +224,11 @@ Init(void)
    glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, specular);
    glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 10.0f);
 
-   assert(glIsProgram_func(Program));
-   assert(glIsShader_func(VertShader1));
-   assert(glIsShader_func(VertShader2));
-   assert(glIsShader_func(FragShader1));
-   assert(glIsShader_func(FragShader2));
+   assert(glIsProgram(Program));
+   assert(glIsShader(VertShader1));
+   assert(glIsShader(VertShader2));
+   assert(glIsShader(FragShader1));
+   assert(glIsShader(FragShader2));
 
    glColor3f(1, 0, 0);
 }
diff --git a/progs/glsl/mandelbrot.c b/progs/glsl/mandelbrot.c
index eeea4eb..38dffc3 100644
--- a/progs/glsl/mandelbrot.c
+++ b/progs/glsl/mandelbrot.c
@@ -10,10 +10,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -57,9 +54,9 @@ Redisplay(void)
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    
    /* set interactive uniform parameters */
-   glUniform1fv_func(uZoom, 1, &zoom);
-   glUniform1fv_func(uXcenter, 1, &xCenter);
-   glUniform1fv_func(uYcenter, 1, &yCenter);
+   glUniform1fv(uZoom, 1, &zoom);
+   glUniform1fv(uXcenter, 1, &xCenter);
+   glUniform1fv(uYcenter, 1, &yCenter);
 
    glPushMatrix();
    glRotatef(xRot, 1.0f, 0.0f, 0.0f);
@@ -95,9 +92,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -156,19 +153,17 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    vertShader = CompileShaderFile(GL_VERTEX_SHADER, VertProgFile);
    fragShader = CompileShaderFile(GL_FRAGMENT_SHADER, FragProgFile);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
    InitUniforms(program, Uniforms);
 
-   uZoom = glGetUniformLocation_func(program, "Zoom");
-   uXcenter = glGetUniformLocation_func(program, "Xcenter");
-   uYcenter = glGetUniformLocation_func(program, "Ycenter");
+   uZoom = glGetUniformLocation(program, "Zoom");
+   uXcenter = glGetUniformLocation(program, "Xcenter");
+   uYcenter = glGetUniformLocation(program, "Ycenter");
 
    assert(glGetError() == 0);
 
@@ -176,9 +171,9 @@ Init(void)
 
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
-   assert(glIsProgram_func(program));
-   assert(glIsShader_func(fragShader));
-   assert(glIsShader_func(vertShader));
+   assert(glIsProgram(program));
+   assert(glIsShader(fragShader));
+   assert(glIsShader(vertShader));
 
    glColor3f(1, 0, 0);
 }
diff --git a/progs/glsl/multinoise.c b/progs/glsl/multinoise.c
index 4005115..0afe230 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);
 
diff --git a/progs/glsl/multitex.c b/progs/glsl/multitex.c
index 724f15e..913f73b 100644
--- a/progs/glsl/multitex.c
+++ b/progs/glsl/multitex.c
@@ -31,7 +31,6 @@
 #include <GL/glew.h>
 #include "GL/glut.h"
 #include "readtex.h"
-#include "extfuncs.h"
 #include "shaderutil.h"
 
 static const char *Demo = "multitex";
@@ -81,22 +80,22 @@ static void
 DrawPolygonArray(void)
 {
    if (VertCoord_attr >= 0) {
-      glVertexAttribPointer_func(VertCoord_attr, 2, GL_FLOAT, GL_FALSE,
+      glVertexAttribPointer(VertCoord_attr, 2, GL_FLOAT, GL_FALSE,
                                  0, VertCoords);
-      glEnableVertexAttribArray_func(VertCoord_attr);
+      glEnableVertexAttribArray(VertCoord_attr);
    }
    else {
       glVertexPointer(2, GL_FLOAT, 0, VertCoords);
       glEnable(GL_VERTEX_ARRAY);
    }
 
-   glVertexAttribPointer_func(TexCoord0_attr, 2, GL_FLOAT, GL_FALSE,
+   glVertexAttribPointer(TexCoord0_attr, 2, GL_FLOAT, GL_FALSE,
                               0, Tex0Coords);
-   glEnableVertexAttribArray_func(TexCoord0_attr);
+   glEnableVertexAttribArray(TexCoord0_attr);
 
-   glVertexAttribPointer_func(TexCoord1_attr, 2, GL_FLOAT, GL_FALSE,
+   glVertexAttribPointer(TexCoord1_attr, 2, GL_FLOAT, GL_FALSE,
                               0, Tex1Coords);
-   glEnableVertexAttribArray_func(TexCoord1_attr);
+   glEnableVertexAttribArray(TexCoord1_attr);
 
    glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
 }
@@ -110,11 +109,11 @@ DrawPolygonVert(void)
    glBegin(GL_TRIANGLE_FAN);
 
    for (i = 0; i < 4; i++) {
-      glVertexAttrib2fv_func(TexCoord0_attr, Tex0Coords[i]);
-      glVertexAttrib2fv_func(TexCoord1_attr, Tex1Coords[i]);
+      glVertexAttrib2fv(TexCoord0_attr, Tex0Coords[i]);
+      glVertexAttrib2fv(TexCoord1_attr, Tex1Coords[i]);
 
       if (VertCoord_attr >= 0)
-         glVertexAttrib2fv_func(VertCoord_attr, VertCoords[i]);
+         glVertexAttrib2fv(VertCoord_attr, VertCoords[i]);
       else
          glVertex2fv(VertCoords[i]);
    }
@@ -268,27 +267,27 @@ CreateProgram(const char *vertProgFile, const char *fragProgFile,
    assert(vertShader);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
    InitUniforms(program, uniforms);
 
-   VertCoord_attr = glGetAttribLocation_func(program, "VertCoord");
+   VertCoord_attr = glGetAttribLocation(program, "VertCoord");
    if (VertCoord_attr > 0) {
       /* We want the VertCoord attrib to have position zero so that
        * the call to glVertexAttrib(0, xyz) triggers vertex processing.
        * Otherwise, if TexCoord0 or TexCoord1 gets position 0 we'd have
        * to set that attribute last (which is a PITA to manage).
        */
-      glBindAttribLocation_func(program, 0, "VertCoord");
+      glBindAttribLocation(program, 0, "VertCoord");
       /* re-link */
-      glLinkProgram_func(program);
+      glLinkProgram(program);
       /* VertCoord_attr should be zero now */
-      VertCoord_attr = glGetAttribLocation_func(program, "VertCoord");
+      VertCoord_attr = glGetAttribLocation(program, "VertCoord");
       assert(VertCoord_attr == 0);
    }
 
-   TexCoord0_attr = glGetAttribLocation_func(program, "TexCoord0");
-   TexCoord1_attr = glGetAttribLocation_func(program, "TexCoord1");
+   TexCoord0_attr = glGetAttribLocation(program, "TexCoord0");
+   TexCoord1_attr = glGetAttribLocation(program, "TexCoord1");
 
    printf("TexCoord0_attr = %d\n", TexCoord0_attr);
    printf("TexCoord1_attr = %d\n", TexCoord1_attr);
@@ -316,8 +315,6 @@ InitGL(void)
    }
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
-   GetExtensionFuncs();
-
    InitTextures();
    InitPrograms();
 
diff --git a/progs/glsl/noise.c b/progs/glsl/noise.c
index 83e4696..59f594e 100644
--- a/progs/glsl/noise.c
+++ b/progs/glsl/noise.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"
 #include "shaderutil.h"
 
 
@@ -68,7 +65,7 @@ Redisplay(void)
 {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    
-   glUniform1fv_func(Uniforms[2].location, 1, &Slice);
+   glUniform1fv(Uniforms[2].location, 1, &Slice);
 
    glPushMatrix();
    glRotatef(xRot, 1.0f, 0.0f, 0.0f);
@@ -104,9 +101,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -176,13 +173,11 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    vertShader = CompileShaderText(GL_VERTEX_SHADER, VertShaderText);
    fragShader = CompileShaderText(GL_FRAGMENT_SHADER, FragShaderText);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
    InitUniforms(program, Uniforms);
 
@@ -192,9 +187,9 @@ Init(void)
 
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
-   assert(glIsProgram_func(program));
-   assert(glIsShader_func(fragShader));
-   assert(glIsShader_func(vertShader));
+   assert(glIsProgram(program));
+   assert(glIsShader(fragShader));
+   assert(glIsShader(vertShader));
 
    glColor3f(1, 0, 0);
 }
diff --git a/progs/glsl/pointcoord.c b/progs/glsl/pointcoord.c
index aa01e21..27b73a0 100644
--- a/progs/glsl/pointcoord.c
+++ b/progs/glsl/pointcoord.c
@@ -11,10 +11,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -65,9 +62,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -142,18 +139,16 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    vertShader = CompileShaderText(GL_VERTEX_SHADER, vertShaderText);
    fragShader = CompileShaderText(GL_FRAGMENT_SHADER, fragShaderText);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
-   tex0 = glGetUniformLocation_func(program, "tex0");
+   tex0 = glGetUniformLocation(program, "tex0");
    printf("Uniforms: tex0: %d\n", tex0);
 
-   glUniform1i_func(tex0, 0); /* tex unit 0 */
+   glUniform1i(tex0, 0); /* tex unit 0 */
 
    /*assert(glGetError() == 0);*/
 
@@ -161,9 +156,9 @@ Init(void)
 
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
-   assert(glIsProgram_func(program));
-   assert(glIsShader_func(fragShader));
-   assert(glIsShader_func(vertShader));
+   assert(glIsProgram(program));
+   assert(glIsShader(fragShader));
+   assert(glIsShader(vertShader));
 
    MakeTexture();
 
diff --git a/progs/glsl/points.c b/progs/glsl/points.c
index 1b34622..e5ee38c 100644
--- a/progs/glsl/points.c
+++ b/progs/glsl/points.c
@@ -11,10 +11,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -100,7 +97,7 @@ Redisplay(void)
     */
    glPushMatrix();
    glTranslatef(0, 1.2, 0);
-   glUseProgram_func(0);
+   glUseProgram(0);
    DrawPoints(GL_FALSE);
    glPopMatrix();
 
@@ -109,9 +106,9 @@ Redisplay(void)
     */
    glPushMatrix();
    glTranslatef(0, -1.2, 0);
-   glUseProgram_func(Program);
+   glUseProgram(Program);
    if (uViewportInv != -1) {
-      glUniform2f_func(uViewportInv, 1.0 / WinWidth, 1.0 / WinHeight);
+      glUniform2f(uViewportInv, 1.0 / WinWidth, 1.0 / WinHeight);
    }
    DrawPoints(GL_TRUE);
    glPopMatrix();
@@ -151,9 +148,9 @@ Key(unsigned char key, int x, int y)
       Smooth = !Smooth;
       break;
    case 27:
-      glDeleteShader_func(FragShader);
-      glDeleteShader_func(VertShader);
-      glDeleteProgram_func(Program);
+      glDeleteShader(FragShader);
+      glDeleteShader(VertShader);
+      glDeleteProgram(Program);
       glutDestroyWindow(Win);
       exit(0);
    }
@@ -226,17 +223,15 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    VertShader = CompileShaderText(GL_VERTEX_SHADER, vertShaderText);
    FragShader = CompileShaderText(GL_FRAGMENT_SHADER, fragShaderText);
    Program = LinkShaders(VertShader, FragShader);
 
-   glUseProgram_func(Program);
+   glUseProgram(Program);
 
-   uViewportInv = glGetUniformLocation_func(Program, "viewportInv");
+   uViewportInv = glGetUniformLocation(Program, "viewportInv");
 
-   glUseProgram_func(0);
+   glUseProgram(0);
 
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 }
diff --git a/progs/glsl/samplers.c b/progs/glsl/samplers.c
index cbb264d..113e5bb 100644
--- a/progs/glsl/samplers.c
+++ b/progs/glsl/samplers.c
@@ -42,7 +42,6 @@
 #include <GL/glew.h>
 #include "GL/glut.h"
 #include "readtex.h"
-#include "extfuncs.h"
 #include "shaderutil.h"
 
 
@@ -291,7 +290,7 @@ CreateProgram(void)
    assert(vertShader);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
    free(fragShaderText);
 
@@ -316,10 +315,10 @@ InitProgram(void)
 #else
       sprintf(uname, "tex[%d]", s);
 #endif
-      loc = glGetUniformLocation_func(Program, uname);
+      loc = glGetUniformLocation(Program, uname);
       assert(loc >= 0);
 
-      glUniform1i_func(loc, s);
+      glUniform1i(loc, s);
    }
 }
 
@@ -334,8 +333,6 @@ InitGL(void)
 
    printf("GL_RENDERER = %s\n", (const char *) glGetString(GL_RENDERER));
 
-   GetExtensionFuncs();
-
    glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &NumSamplers);
    if (NumSamplers > MAX_SAMPLERS)
       NumSamplers = MAX_SAMPLERS;
diff --git a/progs/glsl/shadow_sampler.c b/progs/glsl/shadow_sampler.c
index 673ad46..0a4d04d 100644
--- a/progs/glsl/shadow_sampler.c
+++ b/progs/glsl/shadow_sampler.c
@@ -11,10 +11,7 @@
 #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"
 
 
 /** Use GL_RECTANGLE texture (with projective texcoords)? */
@@ -67,7 +64,7 @@ Redisplay(void)
    glPushMatrix();
 
    CheckError(__LINE__);
-   glUseProgram_func(program);
+   glUseProgram(program);
    CheckError(__LINE__);
 
    glBegin(GL_POLYGON);
@@ -87,7 +84,7 @@ Redisplay(void)
 
    glPopMatrix();
 
-   glUseProgram_func(0);
+   glUseProgram(0);
    glWindowPos2iARB(80, 20);
    PrintString("white   black   white   black");
 
@@ -111,9 +108,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -179,13 +176,13 @@ static void
 LoadAndCompileShader(GLuint shader, const char *text)
 {
    GLint stat;
-   glShaderSource_func(shader, 1, (const GLchar **) &text, NULL);
-   glCompileShader_func(shader);
-   glGetShaderiv_func(shader, GL_COMPILE_STATUS, &stat);
+   glShaderSource(shader, 1, (const GLchar **) &text, NULL);
+   glCompileShader(shader);
+   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, "fslight: problem compiling shader:\n%s\n", log);
       exit(1);
    }
@@ -223,11 +220,11 @@ 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);
    }
 }
@@ -267,35 +264,33 @@ Init(void)
    }
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
-   GetExtensionFuncs();
-
-   fragShader = glCreateShader_func(GL_FRAGMENT_SHADER);
+   fragShader = glCreateShader(GL_FRAGMENT_SHADER);
    if (FragProgFile)
       ReadShader(fragShader, FragProgFile);
    else
       LoadAndCompileShader(fragShader, fragShaderText);
 
-   vertShader = glCreateShader_func(GL_VERTEX_SHADER);
+   vertShader = glCreateShader(GL_VERTEX_SHADER);
    if (VertProgFile)
       ReadShader(vertShader, VertProgFile);
    else
       LoadAndCompileShader(vertShader, vertShaderText);
 
-   program = glCreateProgram_func();
-   glAttachShader_func(program, fragShader);
-   glAttachShader_func(program, vertShader);
-   glLinkProgram_func(program);
+   program = glCreateProgram();
+   glAttachShader(program, fragShader);
+   glAttachShader(program, vertShader);
+   glLinkProgram(program);
    CheckLink(program);
-   glUseProgram_func(program);
+   glUseProgram(program);
 
-   uTexture2D = glGetUniformLocation_func(program, "shadowTex2D");
-   uTextureRect = glGetUniformLocation_func(program, "shadowTexRect");
+   uTexture2D = glGetUniformLocation(program, "shadowTex2D");
+   uTextureRect = glGetUniformLocation(program, "shadowTexRect");
    printf("uTexture2D %d  uTextureRect %d\n", uTexture2D, uTextureRect);
    if (uTexture2D >= 0) {
-      glUniform1i_func(uTexture2D, 0);  /* use texture unit 0 */
+      glUniform1i(uTexture2D, 0);  /* use texture unit 0 */
    }
    if (uTextureRect >= 0) {
-      glUniform1i_func(uTextureRect, 1);  /* use texture unit 0 */
+      glUniform1i(uTextureRect, 1);  /* use texture unit 0 */
    }
    CheckError(__LINE__);
 
diff --git a/progs/glsl/skinning.c b/progs/glsl/skinning.c
index d7b968f..65ba983 100644
--- a/progs/glsl/skinning.c
+++ b/progs/glsl/skinning.c
@@ -13,10 +13,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -65,11 +62,11 @@ Cylinder(GLfloat length, GLfloat radius, GLint slices, GLint stacks)
          float a = (float) i / (slices - 1) * M_PI * 2.0;
          float x = radius * cos(a);
          float y = radius * sin(a);
-         glVertexAttrib1f_func(WeightAttr, w0);
+         glVertexAttrib1f(WeightAttr, w0);
          glNormal3f(x, y, 0.0);
          glVertex3f(x, y, z0);
 
-         glVertexAttrib1f_func(WeightAttr, w0 + dw);
+         glVertexAttrib1f(WeightAttr, w0 + dw);
          glNormal3f(x, y, 0.0);
          glVertex3f(x, y, z0 + dz);
       }
@@ -107,8 +104,8 @@ Redisplay(void)
 {
    UpdateMatrices();
 
-   glUniformMatrix4fv_func(uMat0, 1, GL_FALSE, Matrices[0]);
-   glUniformMatrix4fv_func(uMat1, 1, GL_FALSE, Matrices[1]);
+   glUniformMatrix4fv(uMat0, 1, GL_FALSE, Matrices[0]);
+   glUniformMatrix4fv(uMat1, 1, GL_FALSE, Matrices[1]);
 
    if (WireFrame)
       glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
@@ -149,9 +146,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -222,18 +219,16 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    vertShader = CompileShaderFile(GL_VERTEX_SHADER, VertProgFile);
    fragShader = CompileShaderFile(GL_FRAGMENT_SHADER, FragProgFile);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
-   uMat0 = glGetUniformLocation_func(program, "mat0");
-   uMat1 = glGetUniformLocation_func(program, "mat1");
+   uMat0 = glGetUniformLocation(program, "mat0");
+   uMat1 = glGetUniformLocation(program, "mat1");
 
-   WeightAttr = glGetAttribLocation_func(program, "weight");
+   WeightAttr = glGetAttribLocation(program, "weight");
 
    assert(glGetError() == 0);
 
diff --git a/progs/glsl/texaaline.c b/progs/glsl/texaaline.c
index 6720941..1f566c8 100644
--- a/progs/glsl/texaaline.c
+++ b/progs/glsl/texaaline.c
@@ -12,10 +12,7 @@
 #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 GLint WinWidth = 300, WinHeight = 300;
@@ -329,8 +326,6 @@ Init(void)
       exit(1);
    }
 
-   GetExtensionFuncs();
-
    glClearColor(0.3f, 0.3f, 0.3f, 0.0f);
 
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
diff --git a/progs/glsl/texdemo1.c b/progs/glsl/texdemo1.c
index 08a87a5..d55f9e7 100644
--- a/progs/glsl/texdemo1.c
+++ b/progs/glsl/texdemo1.c
@@ -31,7 +31,6 @@
 #include <GL/glew.h>
 #include "GL/glut.h"
 #include "readtex.h"
-#include "extfuncs.h"
 #include "shaderutil.h"
 
 static const char *Demo = "texdemo1";
@@ -98,7 +97,7 @@ draw(void)
       /* sphere w/ reflection map */
       glPushMatrix();
          glTranslatef(0, 1, 0);
-         glUseProgram_func(Program1);
+         glUseProgram(Program1);
 
          /* setup texture matrix */
          glActiveTexture(GL_TEXTURE0);
@@ -117,7 +116,7 @@ draw(void)
       glPopMatrix();
 
       /* ground */
-      glUseProgram_func(Program2);
+      glUseProgram(Program2);
       glTranslatef(0, -1.0, 0);
       DrawGround(5);
 
@@ -381,7 +380,7 @@ CreateProgram(const char *vertProgFile, const char *fragProgFile,
    fragShader = CompileShaderFile(GL_FRAGMENT_SHADER, fragProgFile);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
    InitUniforms(program, uniforms);
 
@@ -408,8 +407,6 @@ Init(GLboolean useImageFiles)
    }
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
-   GetExtensionFuncs();
-
    InitTextures(useImageFiles);
    InitPrograms();
 
diff --git a/progs/glsl/toyball.c b/progs/glsl/toyball.c
index 2b644ac..7fe27ae 100644
--- a/progs/glsl/toyball.c
+++ b/progs/glsl/toyball.c
@@ -10,10 +10,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -100,9 +97,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -170,13 +167,11 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    vertShader = CompileShaderFile(GL_VERTEX_SHADER, VertProgFile);
    fragShader = CompileShaderFile(GL_FRAGMENT_SHADER, FragProgFile);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
    InitUniforms(program, Uniforms);
 
diff --git a/progs/glsl/trirast.c b/progs/glsl/trirast.c
index 3d4deca..f7546f2 100644
--- a/progs/glsl/trirast.c
+++ b/progs/glsl/trirast.c
@@ -16,10 +16,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -86,9 +83,9 @@ Redisplay(void)
    RotateVerts(Zrot, 3, TriVerts, v);
    ComputeBounds(3, v, &xmin, &ymin, &xmax, &ymax);
 
-   glUniform2fv_func(uv0, 1, v[0]);
-   glUniform2fv_func(uv1, 1, v[1]);
-   glUniform2fv_func(uv2, 1, v[2]);
+   glUniform2fv(uv0, 1, v[0]);
+   glUniform2fv(uv1, 1, v[1]);
+   glUniform2fv(uv2, 1, v[2]);
 
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
@@ -133,9 +130,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -197,17 +194,15 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    vertShader = CompileShaderText(GL_VERTEX_SHADER, vertShaderText);
    fragShader = CompileShaderText(GL_FRAGMENT_SHADER, fragShaderText);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
-   uv0 = glGetUniformLocation_func(program, "v0");
-   uv1 = glGetUniformLocation_func(program, "v1");
-   uv2 = glGetUniformLocation_func(program, "v2");
+   uv0 = glGetUniformLocation(program, "v0");
+   uv1 = glGetUniformLocation(program, "v1");
+   uv2 = glGetUniformLocation(program, "v2");
    printf("Uniforms: %d %d %d\n", uv0, uv1, uv2);
 
    /*assert(glGetError() == 0);*/
@@ -217,9 +212,9 @@ Init(void)
 
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
-   assert(glIsProgram_func(program));
-   assert(glIsShader_func(fragShader));
-   assert(glIsShader_func(vertShader));
+   assert(glIsProgram(program));
+   assert(glIsShader(fragShader));
+   assert(glIsShader(vertShader));
 
    glColor3f(1, 0, 0);
 }
diff --git a/progs/glsl/twoside.c b/progs/glsl/twoside.c
index 9ebc4ec..b6c1b47 100644
--- a/progs/glsl/twoside.c
+++ b/progs/glsl/twoside.c
@@ -13,10 +13,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -60,11 +57,11 @@ Redisplay(void)
    glFrontFace(FrontWinding);
 
    if (DetermineFacingInFragProg) {
-      glUniform1i_func(u_fragface, 1);
+      glUniform1i(u_fragface, 1);
       glDisable(GL_VERTEX_PROGRAM_TWO_SIDE);
    }
    else {
-      glUniform1i_func(u_fragface, 0);
+      glUniform1i(u_fragface, 0);
       glEnable(GL_VERTEX_PROGRAM_TWO_SIDE);
    }
 
@@ -76,7 +73,7 @@ Redisplay(void)
    /* Draw a tristrip ring */
    glBegin(GL_TRIANGLE_STRIP);
    glColor4fv(Red);
-   glSecondaryColor3fv_func(Green);
+   glSecondaryColor3fv(Green);
    for (i = 0; i <= sections; i++) {
       float a = (float) i / (sections) * M_PI * 2.0;
       float x = radius * cos(a);
@@ -126,9 +123,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -230,15 +227,13 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    vertShader = CompileShaderText(GL_VERTEX_SHADER, vertShaderText);
    fragShader = CompileShaderText(GL_FRAGMENT_SHADER, fragShaderText);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
-   u_fragface = glGetUniformLocation_func(program, "fragface");
+   u_fragface = glGetUniformLocation(program, "fragface");
    printf("Uniforms: %d\n", u_fragface);
 
    /*assert(glGetError() == 0);*/
@@ -247,9 +242,9 @@ Init(void)
 
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
-   assert(glIsProgram_func(program));
-   assert(glIsShader_func(fragShader));
-   assert(glIsShader_func(vertShader));
+   assert(glIsProgram(program));
+   assert(glIsShader(fragShader));
+   assert(glIsShader(vertShader));
 
    glEnable(GL_DEPTH_TEST);
 
diff --git a/progs/glsl/vert-or-frag-only.c b/progs/glsl/vert-or-frag-only.c
index 8e1612a..81fcab8 100644
--- a/progs/glsl/vert-or-frag-only.c
+++ b/progs/glsl/vert-or-frag-only.c
@@ -12,10 +12,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -59,14 +56,14 @@ Redisplay(void)
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
    /* render with vertex shader only */
-   glUseProgram_func(VertProgram);
+   glUseProgram(VertProgram);
    glPushMatrix();
    glTranslatef(-1.5, 0, 0);
    DrawQuadTex();
    glPopMatrix();
 
    /* render with fragment shader only */
-   glUseProgram_func(FragProgram);
+   glUseProgram(FragProgram);
    glPushMatrix();
    glTranslatef(+1.5, 0, 0);
    DrawQuadColor();
@@ -91,10 +88,10 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(FragShader);
-   glDeleteShader_func(VertShader);
-   glDeleteProgram_func(VertProgram);
-   glDeleteProgram_func(FragProgram);
+   glDeleteShader(FragShader);
+   glDeleteShader(VertShader);
+   glDeleteProgram(VertProgram);
+   glDeleteProgram(FragProgram);
    glutDestroyWindow(Win);
 }
 
@@ -130,8 +127,6 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    if (FragProgFile)
       FragShader = CompileShaderFile(GL_FRAGMENT_SHADER, FragProgFile);
    else
@@ -150,10 +145,10 @@ Init(void)
 
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
-   assert(glIsProgram_func(VertProgram));
-   assert(glIsProgram_func(FragProgram));
-   assert(glIsShader_func(FragShader));
-   assert(glIsShader_func(VertShader));
+   assert(glIsProgram(VertProgram));
+   assert(glIsProgram(FragProgram));
+   assert(glIsShader(FragShader));
+   assert(glIsShader(VertShader));
 
    glColor3f(1, 0, 0);
 }
diff --git a/progs/glsl/vert-tex.c b/progs/glsl/vert-tex.c
index b74bf50..e791a57 100644
--- a/progs/glsl/vert-tex.c
+++ b/progs/glsl/vert-tex.c
@@ -10,10 +10,7 @@
 #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"
 #include "shaderutil.h"
 
 
@@ -134,9 +131,9 @@ Reshape(int width, int height)
 static void
 CleanUp(void)
 {
-   glDeleteShader_func(fragShader);
-   glDeleteShader_func(vertShader);
-   glDeleteProgram_func(program);
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
    glutDestroyWindow(win);
 }
 
@@ -240,13 +237,11 @@ Init(void)
    if (!ShadersSupported())
       exit(1);
 
-   GetExtensionFuncs();
-
    vertShader = CompileShaderText(GL_VERTEX_SHADER, VertShaderText);
    fragShader = CompileShaderText(GL_FRAGMENT_SHADER, FragShaderText);
    program = LinkShaders(vertShader, fragShader);
 
-   glUseProgram_func(program);
+   glUseProgram(program);
 
    assert(glGetError() == 0);
 




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