47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
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/*
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* Copyright © 2008-2011 Kristian Høgsberg
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of the copyright holders not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The copyright holders make
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef WESTON_MATRIX_H
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#define WESTON_MATRIX_H
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struct weston_matrix {
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GLfloat d[16];
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};
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struct weston_vector {
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GLfloat f[4];
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};
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void
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weston_matrix_init(struct weston_matrix *matrix);
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void
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weston_matrix_multiply(struct weston_matrix *m, const struct weston_matrix *n);
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void
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weston_matrix_scale(struct weston_matrix *matrix, GLfloat x, GLfloat y, GLfloat z);
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void
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weston_matrix_translate(struct weston_matrix *matrix,
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GLfloat x, GLfloat y, GLfloat z);
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void
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weston_matrix_transform(struct weston_matrix *matrix, struct weston_vector *v);
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#endif /* WESTON_MATRIX_H */
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