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/*
* Copyright © 2013 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Authors:
* Haihao Xiang <haihao.xiang@intel.com>
*
*/
define(`Cr', `src_sample_b')
define(`Cr_01', `src_sample_b_01')
define(`Cr_23', `src_sample_b_23')
define(`Y', `src_sample_r')
define(`Y_01', `src_sample_r_01')
define(`Y_23', `src_sample_r_23')
define(`Cb', `src_sample_g')
define(`Cb_01', `src_sample_g_01')
define(`Cb_23', `src_sample_g_23')
define(`Crn', `color_balance_g')
define(`Crn_01', `color_balance_g_01')
define(`Crn_23', `color_balance_g_23')
define(`Yn', `color_balance_r')
define(`Yn_01', `color_balance_r_01')
define(`Yn_23', `color_balance_r_23')
define(`Cbn', `color_balance_b')
define(`Cbn_01', `color_balance_b_01')
define(`Cbn_23', `color_balance_b_23')
cmp.e.f0.0 (1) null skip_color_balance 0x1uw {align1};
(f0.0) jmpi _DONE_COLOR_BALANCE;
/* Yout = (Yin - 16 / 255) * contrast + brightness + 16 / 255 */
add (16) Yn<1>F Y<8,8,1>F -0.0627451F { compr align1 };
mul (16) Yn<1>F Yn<8,8,1>F contrast { compr align1 };
add (16) Yn<1>F Yn<8,8,1>F brightness { compr align1 };
add (16) Y<1>F Yn<8,8,1>F 0.0627451F { compr align1 };
/* Uout = (Uin - 128 / 255) * cos_c_s + (Vin - 128 / 255) * sin_c_s + 128 / 255 */
/* Vout = (Vin - 128 / 255) * cos_c_s - (Uin - 128 / 255) * sin_c_s + 128 / 255 */
add (16) Cbn<1>F Cb<8,8,1>F -0.501961F { compr align1 };
add (16) Crn<1>F Cr<8,8,1>F -0.501961F { compr align1 };
mov (16) acc0<1>F 0.501961F { compr align1 };
mac (16) acc0<1>F Crn<8,8,1>F sin_c_s { compr align1 };
mac (16) Cb<1>F Cbn<8,8,1>F cos_c_s { compr align1 };
mul (1) sin_c_s_t<1>F sin_c_s -1.0F { align1};
mov (16) acc0<1>F 0.501961F { compr align1 };
mac (16) acc0<1>F Cbn<8,8,1>F sin_c_s { compr align1 };
mac (16) Cr<1>F Crn<8,8,1>F cos_c_s { compr align1 };
_DONE_COLOR_BALANCE:
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