9 static float quad[] = {-.5, -.5, 0., 0., .5, -.5, 1., 0.,
10 -.5, .5, 0., 1., .5, .5, 1., 1.};
17 glBufferData(GL_ARRAY_BUFFER,
sizeof(quad), quad, GL_STATIC_DRAW);
19 glEnableVertexAttribArray(0);
20 glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 *
sizeof(
float), (
void *)0);
21 glEnableVertexAttribArray(1);
22 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 *
sizeof(
float), (
void *)(
sizeof(
float) * 2));