diff options
Diffstat (limited to 'progs/trivial/dlist-degenerate.c')
-rw-r--r-- | progs/trivial/dlist-degenerate.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/progs/trivial/dlist-degenerate.c b/progs/trivial/dlist-degenerate.c deleted file mode 100644 index c7f2d2a6e9e..00000000000 --- a/progs/trivial/dlist-degenerate.c +++ /dev/null @@ -1,153 +0,0 @@ -/** - * Test display list corner cases. - */ - - -#include <stdio.h> -#include <stdlib.h> -#include <math.h> -#include <GL/glut.h> - - -static int Win; -static GLfloat Xrot = 0, Yrot = 0, Zrot = 0; -static GLboolean Anim = GL_FALSE; -static GLuint List1 = 0, List2 = 0; - - -static void -Idle(void) -{ - Xrot += 3.0; - Yrot += 4.0; - Zrot += 2.0; - glutPostRedisplay(); -} - - -static void -Draw(void) -{ - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - glPushMatrix(); - glRotatef(Xrot, 1, 0, 0); - glRotatef(Yrot, 0, 1, 0); - glRotatef(Zrot, 0, 0, 1); - - glCallList(List1); - glCallList(List2); - - glPopMatrix(); - - glutSwapBuffers(); -} - - -static void -Reshape(int width, int 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(0.0, 0.0, -15.0); -} - - -static void -Key(unsigned char key, int x, int y) -{ - const GLfloat step = 3.0; - (void) x; - (void) y; - switch (key) { - case 'a': - Anim = !Anim; - if (Anim) - glutIdleFunc(Idle); - else - glutIdleFunc(NULL); - break; - case 'z': - Zrot -= step; - break; - case 'Z': - Zrot += step; - break; - case 27: - glutDestroyWindow(Win); - exit(0); - break; - } - glutPostRedisplay(); -} - - -static void -SpecialKey(int key, int x, int y) -{ - const GLfloat step = 3.0; - (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 -Init(void) -{ - /* List1: start of primitive */ - List1 = glGenLists(1); - glNewList(List1, GL_COMPILE); - glBegin(GL_POLYGON); - glVertex2f(-1, -1); - glVertex2f( 1, -1); - glEndList(); - - /* List2: end of primitive */ - List2 = glGenLists(1); - glNewList(List2, GL_COMPILE); - glVertex2f( 1, 1); - glVertex2f(-1, 1); - glEnd(); - glEndList(); - - glEnable(GL_DEPTH_TEST); -} - - -int -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]); - glutReshapeFunc(Reshape); - glutKeyboardFunc(Key); - glutSpecialFunc(SpecialKey); - glutDisplayFunc(Draw); - if (Anim) - glutIdleFunc(Idle); - Init(); - glutMainLoop(); - return 0; -} |