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Name
glMatrixMode - specify which matrix is the current matrix
C Specification
void glMatrixMode( GLenum mode )
Parameters
mode Specifies which matrix stack is the target for
subsequent matrix operations. Three values are
accepted: GL_MODELVIEW, GL_PROJECTION, and
GL_TEXTURE. The initial value is GL_MODELVIEW.
Description
glMatrixMode sets the current matrix mode. mode can assume
one of three values:
GL_MODELVIEW Applies subsequent matrix
operations to the modelview matrix
stack.
GL_PROJECTION Applies subsequent matrix
operations to the projection matrix
stack.
GL_TEXTURE Applies subsequent matrix
operations to the texture matrix
stack.
To find out which matrix stack is currently the target of
all matrix operations, call glGet with argument
GL_MATRIX_MODE. The initial value is GL_MODELVIEW.
Errors
GL_INVALID_ENUM is generated if mode is not an accepted
value.
GL_INVALID_OPERATION is generated if glMatrixMode is
executed between the execution of glBegin and the
corresponding execution of glEnd.
Associated Gets
glGet with argument GL_MATRIX_MODE
See Also
glLoadMatrix
glPushMatrix
Links
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