1 files changed, 0 insertions, 249 deletions
diff --git a/progs/glsl/deriv.c b/progs/glsl/deriv.c
deleted file mode 100644
index 588246b71ac..00000000000
--- a/progs/glsl/deriv.c
+++ /dev/null
@@ -1,249 +0,0 @@
-/**
- * Test OpenGL 2.0 dx/dy functions for texcoords.
- * Brian Paul
- * 2 May 2007
- *
- * NOTE: resize the window to observe how the partial derivatives of
- * the texcoords change.
- */
-
-
-#include <assert.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-#include "shaderutil.h"
-
-
-static char *FragProgFile = NULL;
-static char *VertProgFile = NULL;
-static GLuint fragShader;
-static GLuint vertShader;
-static GLuint program;
-static GLuint SphereList, RectList, CurList;
-static GLint win = 0;
-static GLboolean anim = GL_TRUE;
-static GLfloat xRot = 0.0f, yRot = 0.0f;
-static GLint WinSize[2];
-static GLint WinSizeUniform = -1;
-
-
-static void
-Redisplay(void)
-{
-   glUniform2iv(WinSizeUniform, 1, WinSize);
-
-   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-   glPushMatrix();
-   glRotatef(xRot, 1.0f, 0.0f, 0.0f);
-   glRotatef(yRot, 0.0f, 1.0f, 0.0f);
-   glCallList(CurList);
-   glPopMatrix();
-
-   glutSwapBuffers();
-}
-
-
-static void
-Idle(void)
-{
-   yRot = glutGet(GLUT_ELAPSED_TIME) * 0.1;
-   glutPostRedisplay();
-}
-
-
-static void
-Reshape(int width, int height)
-{
-   WinSize[0] = width;
-   WinSize[1] = height;
-   glViewport(0, 0, width, height);
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   glTranslatef(0.0f, 0.0f, -15.0f);
-}
-
-
-static void
-CleanUp(void)
-{
-   glDeleteShader(fragShader);
-   glDeleteShader(vertShader);
-   glDeleteProgram(program);
-   glutDestroyWindow(win);
-}
-
-
-static void
-Key(unsigned char key, int x, int y)
-{
-  (void) x;
-  (void) y;
-
-   switch(key) {
-   case ' ':
-   case 'a':
-      anim = !anim;
-      if (anim)
-         glutIdleFunc(Idle);
-      else
-         glutIdleFunc(NULL);
-      break;
-   case 'o':
-      if (CurList == SphereList)
-         CurList = RectList;
-      else
-         CurList = SphereList;
-      break;
-   case 27:
-      CleanUp();
-      exit(0);
-      break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-SpecialKey(int key, int x, int y)
-{
-   const GLfloat step = 3.0f;
-
-  (void) x;
-  (void) y;
-
-   switch(key) {
-   case GLUT_KEY_UP:
-      xRot -= step;
-      break;
-   case GLUT_KEY_DOWN:
-      xRot += step;
-      break;
-   case GLUT_KEY_LEFT:
-      yRot -= step;
-      break;
-   case GLUT_KEY_RIGHT:
-      yRot += step;
-      break;
-   }
-   glutPostRedisplay();
-}
-
-
-static void
-MakeSphere(void)
-{
-   GLUquadricObj *obj = gluNewQuadric();
-   SphereList = glGenLists(1);
-   gluQuadricTexture(obj, GL_TRUE);
-   glNewList(SphereList, GL_COMPILE);
-   gluSphere(obj, 2.0f, 30, 15);
-   glEndList();
-   gluDeleteQuadric(obj);
-}
-
-
-static void
-MakeRect(void)
-{
-   RectList = glGenLists(1);
-   glNewList(RectList, GL_COMPILE);
-   glBegin(GL_POLYGON);
-   glTexCoord2f(0, 0);   glVertex2f(-2, -2);
-   glTexCoord2f(1, 0);   glVertex2f( 2, -2);
-   glTexCoord2f(1, 1);   glVertex2f( 2,  2);
-   glTexCoord2f(0, 1);   glVertex2f(-2,  2);
-   glEnd();
-   glEndList();
-}
-
-
-static void
-Init(void)
-{
-   static const char *fragShaderText =
-      "uniform ivec2 WinSize; \n"
-      "void main() {\n"
-      "   vec2 d = dFdy(gl_TexCoord[0].xy) * vec2(WinSize); \n"
-      "   gl_FragColor =  vec4(d.x, d.y, 0.0, 1.0);\n"
-      "  // gl_FragColor = gl_TexCoord[0];\n"
-      "}\n";
-   static const char *vertShaderText =
-      "void main() {\n"
-      "   gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n"
-      "   gl_TexCoord[0] = gl_MultiTexCoord0;\n"
-      "}\n";
-
-   if (!ShadersSupported())
-      exit(1);
-
-   vertShader = CompileShaderText(GL_VERTEX_SHADER, vertShaderText);
-   fragShader = CompileShaderText(GL_FRAGMENT_SHADER, fragShaderText);
-   program = LinkShaders(vertShader, fragShader);
-
-   glUseProgram(program);
-   WinSizeUniform = glGetUniformLocation(program, "WinSize");
-
-   /*assert(glGetError() == 0);*/
-
-   glClearColor(0.3f, 0.3f, 0.3f, 0.0f);
-   glEnable(GL_DEPTH_TEST);
-
-   MakeSphere();
-   MakeRect();
-
-   CurList = SphereList;
-
-   printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
-
-   assert(glIsProgram(program));
-   assert(glIsShader(fragShader));
-   assert(glIsShader(vertShader));
-
-   glColor3f(1, 0, 0);
-}
-
-
-static void
-ParseOptions(int argc, char *argv[])
-{
-   int i;
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-fs") == 0) {
-         FragProgFile = argv[i+1];
-      }
-      else if (strcmp(argv[i], "-vs") == 0) {
-         VertProgFile = argv[i+1];
-      }
-   }
-}
-
-
-int
-main(int argc, char *argv[])
-{
-   WinSize[0] = WinSize[1] = 200;
-
-   glutInit(&argc, argv);
-   glutInitWindowSize(WinSize[0], WinSize[1]);
-   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
-   win = glutCreateWindow(argv[0]);
-   glewInit();
-   glutReshapeFunc(Reshape);
-   glutKeyboardFunc(Key);
-   glutSpecialFunc(SpecialKey);
-   glutDisplayFunc(Redisplay);
-   if (anim)
-      glutIdleFunc(Idle);
-   ParseOptions(argc, argv);
-   Init();
-   glutMainLoop();
-   return 0;
-}