Attachment 33195 Details for Bug 5002 – draws an empty window instead a quad

draws an empty window instead a quad

draw.c (text/x-csrc), 1020 bytes, created by martin.vogt on 2010-02-09 07:37:41 UTC

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Creator: martin.vogt

Created: 2010-02-09 07:37:41 UTC

Size: 1020 bytes

patch

obsolete

>#include <GL/glut.h>
>
>/* compile with: gcc -o draw draw.c -lglut */
>
>static float vertices[]={ 0.5, 0.5,0.0,
>			 -0.5, 0.5,0.0,
>			 -0.5,-0.5,0.0,
>                          0.5,-0.5,0.0};
>
>                                                
>
>void display(void) {
>  glClear(GL_COLOR_BUFFER_BIT);
>  // vertex test
>  glEnableClientState(GL_VERTEX_ARRAY);
>  glVertexPointer(3,GL_FLOAT,0,vertices);
>  glDrawArrays(GL_QUADS,0,4);
>  glDisableClientState(GL_VERTEX_ARRAY);
>  // normal quad
>
>  /*  
>  glBegin(GL_QUADS);
>  glVertex3f(vertices[0],vertices[1],vertices[2]);
>  glVertex3f(vertices[3],vertices[4],vertices[5]);  
>  glVertex3f(vertices[6],vertices[7],vertices[8]);
>  glVertex3f(vertices[9],vertices[10],vertices[11]);
>  glEnd(); 
>  */
>  glFlush();  /* Single buffered, so needs a flush. */
>}
>
>int main(int argc, char **argv) {
>  glutInit(&argc, argv);
>  glutCreateWindow("single quad");
>  //glutInitDisplayMode(GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGB);
>  glutDisplayFunc(display);
>  glutMainLoop();
>  return 0;             
>}

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Attachments on bug 5002: 6671 | 33195

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