Attachment 12972 Details for Bug 13543 – test case

test case

case_13543.c (text/plain), 1.54 KB, created by WuNian on 2007-12-05 18:42:38 UTC

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Creator: WuNian

Created: 2007-12-05 18:42:38 UTC

Size: 1.54 KB

patch

obsolete

>#include <GL/glut.h>
>#include <stdlib.h>
>#include <stdio.h>
>#include <math.h>
>
>#define WINDSIZEX 100
>#define WINDSIZEY 100
>
>
>static void Draw()
>{
>   GLubyte bitmap[] = {0xff, 0xff, 0xff};
>
>   glDepthFunc(GL_ALWAYS);
>   glColor4f(0.0, 0.0, 0.0, 1.0);
>   glRasterPos3f(0.2, 0.2, 0.6);
>   glBitmap(3, 1, 0, 0, 0, 0, bitmap);
>
>   glDepthFunc(GL_LESS);
>   glColor4f(1.0, 0.0, 0.0, 1.0);
>   glRasterPos3f(0.2, 0.2, 0.0);
>   glBitmap(1, 1, 0, 0, 0, 0, bitmap);
>   glRasterPos3f(1.2, 0.2, 0.5);
>   glBitmap(1, 1, 0, 0, 0, 0, bitmap);
>   glRasterPos3f(2.2, 0.2, 1.0);
>   glBitmap(1, 1, 0, 0, 0, 0, bitmap);
>}
>
>void init(void)
>{
>   glDisable(GL_DITHER);
>   glEnable(GL_DEPTH_TEST);
>}
>
>static void test(void)
>{    
>   GLfloat buf[9];
>
>   glClear(GL_COLOR_BUFFER_BIT);
>
>   Draw();
>
>   glReadPixels(0, 0, 3, 1, GL_RGB, GL_FLOAT, buf);
>   printf("draw pixel at (0, 0): %f %f %f\n", buf[0], buf[1], buf[2]);
>   printf("draw pixel at (1, 0): %f %f %f\n", buf[3], buf[4], buf[5]);
>   printf("draw pixel at (2, 0): %f %f %f\n", buf[6], buf[7], buf[8]);
>}
>
>void display(void)
>{
>   glViewport(0, 0, WINDSIZEX, WINDSIZEY);
>   glMatrixMode(GL_PROJECTION);
>   glLoadIdentity();
>   glOrtho(0, WINDSIZEX, 0, WINDSIZEY, 2.0, -2.0);
>   glMatrixMode(GL_MODELVIEW);
>   glLoadIdentity();
>
>   test();
>}
>
>int main(int argc, char** argv)
>{
>   glutInit(&argc, argv);
>   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
>   glutInitWindowSize(WINDSIZEX, WINDSIZEY);
>   glutInitWindowPosition(100, 100);
>   glutCreateWindow(argv[0]);
>   init();
>   glutDisplayFunc(display);
>   glutMainLoop();
>   return 0; 
>}

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Attachments on bug 13543: 12972

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