Refine Frustum definition: Adding Frustum.FovDesc; Clarify makeFrustum argument constraints -> Exceptions

1 files changed, 2 insertions, 1 deletions

diff --git a/src/jogl/classes/jogamp/opengl/ProjectFloat.java b/src/jogl/classes/jogamp/opengl/ProjectFloat.java
index ee9560214..5ec5a8e3f 100644
--- a/src/jogl/classes/jogamp/opengl/ProjectFloat.java
+++ b/src/jogl/classes/jogamp/opengl/ProjectFloat.java
@@ -170,7 +170,8 @@ public class ProjectFloat {
    * @param aspect
    * @param zNear
    * @param zFar
-   * @throws GLException with GL_INVALID_VALUE if zNear is <= 0, or zFar < 0, or if zNear == zFar.
+   * @throws GLException if {@code zNear <= 0} or {@code zFar <= zNear}
+   * @see FloatUtil#makePerspective(float[], int, boolean, float, float, float, float)
    */
   public void gluPerspective(final GLMatrixFunc gl, final float fovy_deg, final float aspect, final float zNear, final float zFar) throws GLException {
     gl.glMultMatrixf(FloatUtil.makePerspective(mat4Tmp1, 0, true, fovy_deg * FloatUtil.PI / 180.0f, aspect, zNear, zFar), 0);