glLoadTransposeMatrix man page on Oracle
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GLLOADTRANSPOSEMATRI(3G) OpenGL Manual GLLOADTRANSPOSEMATRI(3G)
NAME
glLoadTransposeMatrix - replace the current matrix with the specified
row-major ordered matrix
C SPECIFICATION
void glLoadTransposeMatrixd(const GLdouble * m);
void glLoadTransposeMatrixf(const GLfloat * m);
PARAMETERS
m
Specifies a pointer to 16 consecutive values, which are used as the
elements of a 4 × 4 row-major matrix.
DESCRIPTION
glLoadTransposeMatrix replaces the current matrix with the one whose
elements are specified by m. The current matrix is the projection
matrix, modelview matrix, or texture matrix, depending on the current
matrix mode (see glMatrixMode()).
The current matrix, M, defines a transformation of coordinates. For
instance, assume M refers to the modelview matrix. If v = v 0 v 1 v
2 v 3 is the set of object coordinates of a vertex, and m points to
an array of 16 single- or double-precision floating-point values m = m
0 m 1 ... m 15, then the modelview transformation M v does the
following:
M v = m 0 m 1 m 2 m 3 m 4 m 5 m 6 m 7 m 8 m 9 m
10 m 11 m 12 m 13 m 14 m 15 × v 0 v 1 v 2 v 3
Projection and texture transformations are similarly defined.
Calling glLoadTransposeMatrix with matrix M is identical in operation
to glLoadMatrix() with M T, where T represents the transpose.
NOTES
glLoadTransposeMatrix is available only if the GL version is 1.3 or
greater.
While the elements of the matrix may be specified with single or double
precision, the GL implementation may store or operate on these values
in less than single precision.
ERRORS
GL_INVALID_OPERATION is generated if glLoadTransposeMatrix is executed
between the execution of glBegin() and the corresponding execution of
glEnd().
ASSOCIATED GETS
glGet() with argument GL_MATRIX_MODE
glGet() with argument GL_COLOR_MATRIX
glGet() with argument GL_MODELVIEW_MATRIX
glGet() with argument GL_PROJECTION_MATRIX
glGet() with argument GL_TEXTURE_MATRIX
SEE ALSO
glLoadIdentity(), glLoadMatrix(), glMatrixMode(), glMultMatrix(),
glMultTransposeMatrix(), glPushMatrix()
COPYRIGHT
Copyright © 1991-2006 Silicon Graphics, Inc. This document is licensed
under the SGI Free Software B License. For details, see
http://oss.sgi.com/projects/FreeB/.
AUTHORS
opengl.org
opengl.org 04/29/2014 GLLOADTRANSPOSEMATRI(3G)
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