Attachment 35658 Details for Bug 28110 – testcase

testcase

multi.cpp (text/plain), 3.46 KB, created by Clinton Stimpson on 2010-05-14 13:02:28 UTC

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Filename:

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Creator: Clinton Stimpson

Created: 2010-05-14 13:02:28 UTC

Size: 3.46 KB

patch

obsolete

>
>#include <math.h>
>#include <stdlib.h>
>
>#define GL_GLEXT_PROTOTYPES
>
>#include <GL/gl.h>
>#include <GL/glext.h>
>#include <GL/glut.h>
>#include <sys/time.h>
>#include <stdio.h>
>#include <string.h>
>#include <ctype.h>
>#include <float.h>
>
>
>GLfloat points [] =
>{
>  0.5, -1, 0.5, 0, 0, 1, 0.5, 0, 0.5, 0, 0, 1, -0.5, 0, 0.5, 0, 0, 1, -0.5, -1, 0.5, 0, 0, 1, 0.5, -0.5, 0.5, 0, 0, 1, 0, 0, 0.5, 0, 0, 1, -0.5, -0.5, 0.5, 0, 0, 1, 0, -1, 0.5, 0, 0, 1, 0.5, 1, 0.5, 0, 0, 1, -0.5, 1, 0.5, 0, 0, 1, 0, 1, 0.5, 0, 0, 1, -0.5, 0.5, 0.5, 0, 0, 1, 0.5, 0.5, 0.5, 0, 0, 1
>};
>
>GLushort conn [] =
>{
>  4, 1, 5, 2, 6, 3, 7, 0, 10, 9, 11, 2, 5, 1, 12, 8
>};
>
>const GLvoid* offsets [] =
>{
>  (GLvoid*)0x0, (GLvoid*)0x10
>};
>
>const GLsizei counts [] =
>{
>  8, 8
>};
>
>GLuint stride = 24;
>GLuint normal_offset = 12;
>GLuint vert_buffer, conn_buffer;
>
>static int screen_width, screen_height;
>
>static void draw(void)
>{
>    glBindBuffer(GL_ARRAY_BUFFER, vert_buffer);
>    glEnableClientState(GL_VERTEX_ARRAY);
>    glVertexPointer(3, GL_FLOAT, stride, 0);
>    glEnableClientState(GL_NORMAL_ARRAY);
>    glNormalPointer(GL_FLOAT, stride, reinterpret_cast<GLvoid*>(normal_offset));
>    
>    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, conn_buffer);
>    glMultiDrawElements(GL_POLYGON, counts, GL_UNSIGNED_SHORT, offsets, 2);
>    
>    glBindBuffer(GL_ARRAY_BUFFER, 0);
>    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
>}
>
>static void drawfunc(void)
>{
>    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
>
>    glPushMatrix();
>
>    // Render some triangles directly in red
>    glColor3f(.5, 0, 0);
>    draw();
>
>    glPopMatrix();
>    glutSwapBuffers();
>}
>
>static void idle_visible()
>{
>    glutPostRedisplay();
>}
>
>/* new window size or exposure */
>static void reshape(int width, int height)
>{
>  float h = (float) height / (float) width;
>  float s = 1.0;
>
>  screen_width = width;
>  screen_height = height;
>
>  glViewport(0, 0, (GLint) width, (GLint) height);
>  glMatrixMode(GL_PROJECTION);
>  glLoadIdentity();
>  glOrtho(-2, 2, -2, 2, -2, 2);
>  glMatrixMode(GL_MODELVIEW);
>  glLoadIdentity();
>}
>
>static void init()
>{
>  float ambient[3] = { 1, 1, 1 };
>
>  glClearColor(.5, .5, .9, 1.0);
>
>  glEnable(GL_LIGHTING);
>  glEnable(GL_LIGHT0);
>  glLightfv(GL_LIGHT0, GL_DIFFUSE, ambient);
>
>  glGenBuffers(1, &vert_buffer);
>  glBindBuffer(GL_ARRAY_BUFFER, vert_buffer);
>  glBufferData(GL_ARRAY_BUFFER, sizeof(points), points, GL_STATIC_DRAW);
>  glBindBuffer(GL_ARRAY_BUFFER, 0);
>  
>  glGenBuffers(1, &conn_buffer);
>  glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, conn_buffer);
>  glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(conn), conn, GL_STATIC_DRAW);
>  glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
>    
>  draw();
>  
>  glEnable(GL_COLOR_MATERIAL);
>  glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
>}
>
>void visible(int vis)
>{
>    glutIdleFunc(idle_visible);
>}
>
>int main(int argc, char *argv[])
>{
>    glutInit(&argc, argv);
>
>    glutInitDisplayMode(GLUT_RGB|GLUT_DEPTH|GLUT_DOUBLE);
>    glutInitWindowPosition(0, 0);
>    glutInitWindowSize(200, 200);
>    glutCreateWindow("Test VBO glMultiDrawElements");
>
>    glutDisplayFunc(drawfunc);
>    glutReshapeFunc(reshape);
>    glutVisibilityFunc(visible);
>
>    printf("Vendor: %s\n", glGetString(GL_VENDOR));
>    printf("Renderer: %s\n", glGetString(GL_RENDERER));
>    printf("Version: %s\n", glGetString(GL_VERSION));
>    printf("Extensions: %s\n", glGetString(GL_EXTENSIONS));
>    printf("GLU Version: %s\n", gluGetString(GLU_VERSION));
>    printf("GLU Extensions: %s\n", gluGetString(GLU_EXTENSIONS));
>
>    fflush(stdout);
>
>    init();
>    glutMainLoop();
>    return 0;
>}

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Attachments on bug 28110: 35658 | 36478 | 36479

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