compositor: move matrix code to separate files
Move matrix code to separate files to allow writing unit tests for it.
Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
diff --git a/src/matrix.h b/src/matrix.h
new file mode 100644
index 0000000..f149d87
--- /dev/null
+++ b/src/matrix.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright © 2008-2011 Kristian Høgsberg
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose. It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef WESTON_MATRIX_H
+#define WESTON_MATRIX_H
+
+struct weston_matrix {
+ GLfloat d[16];
+};
+
+struct weston_vector {
+ GLfloat f[4];
+};
+
+void
+weston_matrix_init(struct weston_matrix *matrix);
+void
+weston_matrix_multiply(struct weston_matrix *m, const struct weston_matrix *n);
+void
+weston_matrix_scale(struct weston_matrix *matrix, GLfloat x, GLfloat y, GLfloat z);
+void
+weston_matrix_translate(struct weston_matrix *matrix,
+ GLfloat x, GLfloat y, GLfloat z);
+void
+weston_matrix_transform(struct weston_matrix *matrix, struct weston_vector *v);
+
+#endif /* WESTON_MATRIX_H */