[Mesa-dev] [Bug 103332] glDrawArrays does not take the "first" argument into account
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Oct 18 09:34:40 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=103332
--- Comment #1 from Laurent Renard <laurent.renard at int.com> ---
I have tested with modified version of the tutorial found here :
http://www.opengl-tutorial.org/beginners-tutorials/tutorial-5-a-textured-cube/
Modifying the command
// Draw the triangle !
glDrawArrays(GL_TRIANGLES, 0, 12*3); // 12*3 indices starting at 0 -> 12
triangles
By :
// Draw the triangle !
for (int c = 0 ; c < 12 ; c ++){
glDrawArrays(GL_TRIANGLES, c * 3, 3); // 12*3 indices starting at 0 -> 12
triangles
}
does not show the issue.
I will try to go deeper and see where the issue is. (My code, JOGL or OpenSWR)
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