Why does the RGB value always equal to (0, 0, 0) when I use gl2.glReadPixels(e.x, viewport[3] - e.y, 1, 1, GL2.GL_RGB, GL2.GL_FLOAT, FloatBuffer.wrap(color));
Posted by
Irene Tang on
Mar 18, 2016; 6:38am
URL: https://forum.jogamp.org/Why-does-the-RGB-value-always-equal-to-0-0-0-when-I-use-gl2-glReadPixels-e-x-viewport-3-e-y-1-1-GL2--tp4036511.html
SceneObject.javaBasicObject.javaDraw.java