1 files changed, 39 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915tex/intel_rotate.h b/src/mesa/drivers/dri/i915tex/intel_rotate.h
new file mode 100644
index 00000000000..9c8802ca477
--- /dev/null
+++ b/src/mesa/drivers/dri/i915tex/intel_rotate.h
@@ -0,0 +1,39 @@
+#ifndef INTEL_ROTATE_H
+#define INTEL_ROTATE_H 1
+
+struct matrix23
+{
+   int m00, m01, m02;
+   int m10, m11, m12;
+};
+
+
+
+extern void
+matrix23Set(struct matrix23 *m,
+            int m00, int m01, int m02, int m10, int m11, int m12);
+
+extern void matrix23TransformCoordi(const struct matrix23 *m, int *x, int *y);
+
+extern void
+matrix23TransformCoordf(const struct matrix23 *m, float *x, float *y);
+
+extern void
+matrix23TransformDistance(const struct matrix23 *m, int *xDist, int *yDist);
+
+extern void
+matrix23TransformRect(const struct matrix23 *m,
+                      int *x, int *y, int *w, int *h);
+
+extern void
+matrix23Rotate(struct matrix23 *m, int width, int height, int angle);
+
+extern void
+matrix23Flip(struct matrix23 *m, int width, int height, int xflip, int yflip);
+
+extern void
+matrix23Multiply(struct matrix23 *result,
+                 const struct matrix23 *a, const struct matrix23 *b);
+
+
+#endif /* INTEL_ROTATE_H */