Attachment 11043 Details for Bug 11895 – test case

test case

bclear.c (text/plain), 998 bytes, created by WuNian on 2007-08-07 21:46:35 UTC

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Creator: WuNian

Created: 2007-08-07 21:46:35 UTC

Size: 998 bytes

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);
>}
>
>static void test(void)
>{    
>   GLfloat buf[4];
>
>    //glDrawBuffer(GL_FRONT);
>    //glReadBuffer(GL_FRONT);
>   glClear(GL_COLOR_BUFFER_BIT);
>
>   glReadPixels(5, 6, 1, 1, GL_RGBA, GL_FLOAT, buf);
>   printf("draw pixel at (5, 6): %f %f %f\n", buf[0], buf[1], buf[2]);
>}
>
>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 11895: 11043

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