Attachment 10398 Details for Bug 11330 – test case

test case

case_11330.c (text/plain), 1.41 KB, created by WuNian on 2007-06-21 20:37:40 UTC

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Creator: WuNian

Created: 2007-06-21 20:37:40 UTC

Size: 1.41 KB

patch

obsolete

>#include <GL/glut.h>
>#include <stdlib.h>
>#include <stdio.h>
>#include <math.h>
>
>#define WINDSIZEX 100
>#define WINDSIZEY 100
>
>
>void init(void)
>{
>   glClearColor(0.0, 0.0, 0.0, 1.0);
>   glColor4f(0.0, 1.0, 0.0, 1.0);
>   glDisable(GL_DITHER);
>}
>
>static void test(void)
>{    
>   GLfloat *buf;
>   int i, j;
>   int colored = 0;
>
>   glClear(GL_COLOR_BUFFER_BIT);
>
>   glScissor(4, 3, 25, 1);
>   glEnable(GL_SCISSOR_TEST);
>
>   //glPointSize(2.0);
>   glEnable(GL_POINT_SMOOTH);
>   glBegin(GL_POINTS);
>   for (i = 0; i < WINDSIZEX; i++) {
>      for (j = 0; j < WINDSIZEY; j++) {
>	 glVertex2f (i + 0.5, j + 0.5);
>      }
>   }
>   glEnd();
>
>   buf = (GLfloat *)malloc(WINDSIZEX*WINDSIZEY*sizeof(GLfloat));
>
>   glReadPixels(0, 0, WINDSIZEX, WINDSIZEY, GL_GREEN, GL_FLOAT, buf);
>   for ( i = 0; i < WINDSIZEX * WINDSIZEY; i++)
>      if (buf[i] == 1.0)
>	 colored++;
>   printf("colored point number is %d, should be 25\n", colored);
>}
>
>void display(void)
>{
>   glViewport(0, 0, WINDSIZEX, WINDSIZEY);
>   glMatrixMode(GL_PROJECTION);
>   glLoadIdentity();
>   gluOrtho2D(0, WINDSIZEX, 0, WINDSIZEY);
>   glMatrixMode(GL_MODELVIEW);
>   glLoadIdentity();
>
>   test();
>}
>
>int main(int argc, char** argv)
>{
>   glutInit(&argc, argv);
>   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
>   glutInitWindowSize(WINDSIZEX, WINDSIZEY);
>   glutInitWindowPosition(100, 100);
>   glutCreateWindow(argv[0]);
>   init();
>   glutDisplayFunc(display);
>   glutMainLoop();
>   return 0; 
>}

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Attachments on bug 11330: 10398

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