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Diffstat (limited to 'progs/glsl/deriv.c')
-rw-r--r--progs/glsl/deriv.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/progs/glsl/deriv.c b/progs/glsl/deriv.c
index 3fd674c331..9cf1e40e3e 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);
}