Attachment 7794 Details for Bug 9035 – test case for this bug

test case for this bug

tbufferobj.c (text/plain), 2.33 KB, created by haihao on 2006-11-15 01:05:31 UTC

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Creator: haihao

Created: 2006-11-15 01:05:31 UTC

Size: 2.33 KB

patch

obsolete

>#include <stdlib.h>
>#include <string.h>
>#include <GL/glut.h>
>
>#define X1  -1.0
>#define X2  1.0
>#define Y1  -1.0
>#define Y2  1.0
>
>#define display display_obj
>
>static GLfloat vbuf[] = {X1, Y1, 0, X1, Y2, 0, X2, Y2, 0, X2, Y1, 0};
>
>void 
>display_normal(void)
>{
>        GLuint lid;
>
>        glClear(GL_COLOR_BUFFER_BIT);
>        glColor3f (0.0, 0.0, 1.0);
>
>        glVertexPointer (3, GL_FLOAT, 0, vbuf);
>        glEnableClientState (GL_VERTEX_ARRAY);
>
>        lid = glGenLists(1);
>        glNewList(lid, GL_COMPILE);
>        glDrawArrays(GL_LINE_LOOP, 0, 4);
>        glEndList();
>        glCallList(lid);
>        glDeleteLists(lid, 1);
>
>        glFlush();
>}
>
>void display_obj(void)
>{
>        GLuint id = 0;
>        GLuint lid = 0;
>
>        glClear(GL_COLOR_BUFFER_BIT);
>        glColor3f (0.0, 0.0, 1.0);
>
>        glGenBuffers(1, &id);
>        glBindBuffer(GL_ARRAY_BUFFER, id);
>        glBufferData(GL_ARRAY_BUFFER, sizeof(vbuf), vbuf, GL_STATIC_DRAW);
>
>        glVertexPointer(3, GL_FLOAT, 0, 0);
>        glEnableClientState(GL_VERTEX_ARRAY);
>
>#if 0
>        glDrawArrays(GL_LINE_LOOP, 0, 4); /* DrawArrays outside a display list is OK */
>#else
>        /* DrawArrays within a display list causes a segment fault */
>        lid = glGenLists(1);
>        glNewList(lid, GL_COMPILE);
>        glDrawArrays(GL_LINE_LOOP, 0, 4);
>        glEndList();
>        glCallList(lid);
>        glDeleteLists(lid, 1);
>#endif
>
>        glDeleteBuffers(1, &id);
>        glFlush();
>        
>}
>
>
>static void
>key(unsigned char k, int x, int y)
>{
>        switch (k) {
>        case 27:
>                exit(0);
>                break;
>        default:
>                return;
>        }
>        glutPostRedisplay();
>}
>
>
>static void 
>reshape(int width, int height)
>{
>        float ar = (float)width / (float)height + 2.0;
>        glViewport(0, 0, width, height);
>        glMatrixMode(GL_PROJECTION);
>        glLoadIdentity();
>        gluOrtho2D (-ar, ar, -ar, ar);
>        glMatrixMode(GL_MODELVIEW);
>        glLoadIdentity();
>}
>
>int 
>main(int argc, char** argv)
>{
>        glutInit(&argc, argv);
>        glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
>        glutInitWindowSize(250, 250);
>        glutInitWindowPosition(100, 100);
>        glutCreateWindow("Buffer Objects");
>        glutReshapeFunc(reshape);
>        glutDisplayFunc(display);
>        glutKeyboardFunc(key);
>        glutMainLoop();
>        return 0;
>}

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Attachments on bug 9035: 7794 | 7833

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