src/mesa/drivers/dri/i915/intel_rotate.h

   1 #ifndef INTEL_ROTATE_H
   2 #define INTEL_ROTATE_H 1
   3
   4 struct matrix23
   5 {
   6    int m00, m01, m02;
   7    int m10, m11, m12;
   8 };
   9
  10
  11
  12 extern void
  13 matrix23Set(struct matrix23 *m,
  14             int m00, int m01, int m02, int m10, int m11, int m12);
  15
  16 extern void matrix23TransformCoordi(const struct matrix23 *m, int *x, int *y);
  17
  18 extern void
  19 matrix23TransformCoordf(const struct matrix23 *m, float *x, float *y);
  20
  21 extern void
  22 matrix23TransformDistance(const struct matrix23 *m, int *xDist, int *yDist);
  23
  24 extern void
  25 matrix23TransformRect(const struct matrix23 *m,
  26                       int *x, int *y, int *w, int *h);
  27
  28 extern void
  29 matrix23Rotate(struct matrix23 *m, int width, int height, int angle);
  30
  31 extern void
  32 matrix23Flip(struct matrix23 *m, int width, int height, int xflip, int yflip);
  33
  34 extern void
  35 matrix23Multiply(struct matrix23 *result,
  36                  const struct matrix23 *a, const struct matrix23 *b);
  37
  38
  39 #endif /* INTEL_ROTATE_H */