glmatrixmode
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glMatrixMode(3G) OpenGL Reference glMatrixMode(3G)
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. Four values are accepted: GL_MODELVIEW,
GL_PROJECTION, GL_TEXTURE, and GL_COLOR (if and only if the
SGI_color_matrix extension is supported). The default value is
GL_MODELVIEW.
DESCRIPTION
glMatrixMode sets the current matrix mode. mode can assume one of four
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.
GL_COLOR Applies subsequent matrix operations to the color
matrix stack. This option is available only if the
SGI_color_matrix extension is supported.
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, glMatrixMode, glPixelTransfer (for information about the
color matrix stack), glPushMatrix.
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