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,
  15             int m10, int m11, int m12);
  16
  17 extern void
  18 matrix23TransformCoordi(const struct matrix23 *m, int *x, int *y);
  19
  20 extern void
  21 matrix23TransformCoordf(const struct matrix23 *m, float *x, float *y);
  22
  23 extern void
  24 matrix23TransformDistance(const struct matrix23 *m, int *xDist, int *yDist);
  25
  26 extern void
  27 matrix23TransformRect(const struct matrix23 *m,
  28                       int *x, int *y, int *w, int *h);
  29
  30 extern void
  31 matrix23Rotate(struct matrix23 *m, int width, int height, int angle);
  32
  33 extern void
  34 matrix23Flip(struct matrix23 *m, int width, int height, int xflip, int yflip);
  35
  36 extern void
  37 matrix23Multiply(struct matrix23 *result,
  38                  const struct matrix23 *a, const struct matrix23 *b);
  39
  40
  41 #endif /* INTEL_ROTATE_H */