struct fixed31_32 l_pow_m1;
struct fixed31_32 base, div;
+ struct fixed31_32 base2;
if (dc_fixpt_lt(in_x, dc_fixpt_zero))
dc_fixpt_div(dc_fixpt_one, m2));
base = dc_fixpt_sub(l_pow_m1, c1);
- if (dc_fixpt_lt(base, dc_fixpt_zero))
- base = dc_fixpt_zero;
-
div = dc_fixpt_sub(c2, dc_fixpt_mul(c3, l_pow_m1));
- *out_y = dc_fixpt_pow(dc_fixpt_div(base, div),
- dc_fixpt_div(dc_fixpt_one, m1));
+ base2 = dc_fixpt_div(base, div);
+ //avoid complex numbers
+ if (dc_fixpt_lt(base2, dc_fixpt_zero))
+ base2 = dc_fixpt_sub(dc_fixpt_zero, base2);
+
+
+ *out_y = dc_fixpt_pow(base2, dc_fixpt_div(dc_fixpt_one, m1));
}
tf_pts->x_point_at_y1_green = 1;
tf_pts->x_point_at_y1_blue = 1;
- map_regamma_hw_to_x_user(ramp, coeff, rgb_user,
- coordinates_x, axis_x, curve,
- MAX_HW_POINTS, tf_pts,
- mapUserRamp && ramp && ramp->type == GAMMA_RGB_256);
+ if (input_tf->tf == TRANSFER_FUNCTION_PQ) {
+ /* just copy current rgb_regamma into tf_pts */
+ struct pwl_float_data_ex *curvePt = curve;
+ int i = 0;
+
+ while (i <= MAX_HW_POINTS) {
+ tf_pts->red[i] = curvePt->r;
+ tf_pts->green[i] = curvePt->g;
+ tf_pts->blue[i] = curvePt->b;
+ ++curvePt;
+ ++i;
+ }
+ } else {
+ //clamps to 0-1
+ map_regamma_hw_to_x_user(ramp, coeff, rgb_user,
+ coordinates_x, axis_x, curve,
+ MAX_HW_POINTS, tf_pts,
+ mapUserRamp && ramp && ramp->type == GAMMA_RGB_256);
+ }
+
+
+
if (ramp->type == GAMMA_CUSTOM)
apply_lut_1d(ramp, MAX_HW_POINTS, tf_pts);