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The glLoadMatrixd and glLoadMatrixf functions replace the current matrix with an arbitrary matrix.
void glLoadMatrixd(
const GLdouble *m);void glLoadMatrixf( const GLfloat *m);
- m
A pointer to a 4x4 matrix stored in column-major order as 16 consecutive values.
The glLoadMatrix function replaces the current matrix with the one specified in m. The current matrix is the projection matrix, modelview matrix, or texture matrix, determined by the current matrix mode (see glMatrixMode).
The m parameter points to a 4x4 matrix of single- or double-precision floating-point values stored in column-major order. That is, the matrix is stored as follows:
The following functions retrieve information related to glLoadMatrix:
glGet with argument GL_MATRIX_MODE
glGet with argument GL_MODELVIEW_MATRIX
glGet with argument GL_PROJECTION_MATRIX
glGet with argument GL_TEXTURE_MATRIX
The following is the error code and its condition.
Error code | Condition |
---|---|
GL_INVALID_OPERATION | glLoadMatrix was called between a call to glBegin and the corresponding call to glEnd. |
** Windows NT/2000:** Requires Windows NT 3.5 or later.
** Windows 95/98:** Requires Windows 95 or later. Available as a redistributable for Windows 95.
** Header:** Declared in Gl.h.
** Library:** Use Opengl32.lib.
glBegin, glEnd, glLoadIdentity, glMatrixMode, glMultMatrix, glPushMatrix