OpenGL Transformation Support
•Three matrices
–GL_MODELVIEW, GL_PROJECTION, GL_TEXTURE
– glMatrixMode( mode ) specifies the active matrix
• glLoadIdentity( )
–Set the active matrix to identity
• glLoadMatrix{fd}(TYPE *m)
–Set the 16 values of the current
matrix to those specified by m
• glMultMatrix{fd}(TYPE *m)
–Multiplies the current active matrix by m
m1 m5
m9
m13
m2 m6
m10
m14
m3 m7
m11
m15
m4 m8
m12
m16
m
=