Which of the following is faster?

What does glActiveTexture do?

What should be added to make this drawing function valid?

What is true of OpenGL?

Which color is defined by the following call?

What is the first argument of glRotate?

What is the use of a shared context?

What happens to variables that aren't used in outputs of a GLSL fragment shader?

What is a VA or VAO?

What do the values "R", "G", "B" and "A" mean in the context of color in OpenGL?

What kind of data is stored in a VAO?