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648 lines
18 KiB
648 lines
18 KiB
@/******************************************************************************
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@ *
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@ * Copyright (C) 2015 The Android Open Source Project
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@ *
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@ * Licensed under the Apache License, Version 2.0 (the "License");
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@ * you may not use this file except in compliance with the License.
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@ * You may obtain a copy of the License at:
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@ *
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@ * http://www.apache.org/licenses/LICENSE-2.0
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@ *
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@ * Unless required by applicable law or agreed to in writing, software
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@ * distributed under the License is distributed on an "AS IS" BASIS,
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@ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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@ * See the License for the specific language governing permissions and
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@ * limitations under the License.
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@ *
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@ *****************************************************************************
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@ * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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@*/
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@*
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@ *******************************************************************************
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@ * @file
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@ * ih264_padding_neon.s
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@ *
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@ * @brief
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@ * Contains function definitions padding
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@ *
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@ * @author
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@ * Ittiam
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@ *
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@ * @par List of Functions:
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@ * - ih264_pad_top_a9q()
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@ * - ih264_pad_left_luma_a9q()
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@ * - ih264_pad_left_chroma_a9q()
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@ * - ih264_pad_right_luma_a9q()
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@ * - ih264_pad_right_chroma_a9q()
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@ *
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@ * @remarks
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@ * None
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@ *
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@ *******************************************************************************
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@*
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@**
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@*******************************************************************************
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@*
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@* @brief pad at the top of a 2d array
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@*
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@* @par Description:
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@* The top row of a 2d array is replicated for pad_size times at the top
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@*
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@* @param[in] pu1_src
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@* UWORD8 pointer to the source
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@*
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@* @param[in] src_strd
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@* integer source stride
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@*
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@* @param[in] wd
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@* integer width of the array
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@*
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@* @param[in] pad_size
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@* integer -padding size of the array
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@*
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@* @returns none
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@*
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@* @remarks none
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@*
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@*******************************************************************************
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@*
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@void ih264_pad_top(UWORD8 *pu1_src,
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@ WORD32 src_strd,
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@ WORD32 wd,
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@ WORD32 pad_size)
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@**************Variables Vs Registers*************************
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@ r0 => *pu1_src
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@ r1 => src_strd
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@ r2 => wd
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@ r3 => pad_size
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.text
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.p2align 2
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.global ih264_pad_top_a9q
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ih264_pad_top_a9q:
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stmfd sp!, {r4-r11, lr} @stack stores the values of the arguments
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sub r5, r0, r1
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neg r6, r1
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loop_neon_memcpy_mul_16:
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@ Load 16 bytes
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vld1.8 {d0, d1}, [r0]!
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mov r4, r5
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mov r7, r3
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add r5, r5, #16
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loop_neon_pad_top:
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vst1.8 {d0, d1}, [r4], r6
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subs r7, r7, #1
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bne loop_neon_pad_top
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subs r2, r2, #16
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bne loop_neon_memcpy_mul_16
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ldmfd sp!, {r4-r11, pc} @Reload the registers from SP
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@**
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@*******************************************************************************
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@*
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@* @brief
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@* Padding (luma block) at the left of a 2d array
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@*
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@* @par Description:
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@* The left column of a 2d array is replicated for pad_size times at the left
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@*
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@*
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@* @param[in] pu1_src
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@* UWORD8 pointer to the source
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@*
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@* @param[in] src_strd
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@* integer source stride
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@*
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@* @param[in] ht
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@* integer height of the array
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@*
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@* @param[in] wd
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@* integer width of the array
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@*
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@* @param[in] pad_size
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@* integer -padding size of the array
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@*
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@* @param[in] ht
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@* integer height of the array
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@*
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@* @param[in] wd
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@* integer width of the array
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@*
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@* @returns
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@*
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@* @remarks
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@* None
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@*
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@*******************************************************************************
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@*
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@#if PAD_LEFT_LUMA == C
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@void ih264_pad_left_luma(UWORD8 *pu1_src,
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@ WORD32 src_strd,
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@ WORD32 ht,
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@ WORD32 pad_size)
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@**************Variables Vs Registers*************************
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@ r0 => *pu1_src
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@ r1 => src_strd
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@ r2 => ht
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@ r3 => pad_size
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.global ih264_pad_left_luma_a9q
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ih264_pad_left_luma_a9q:
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stmfd sp!, {r4-r11, lr} @stack stores the values of the arguments
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sub r4, r0, r3
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sub r6, r1, #16
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subs r5, r3, #16
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bne loop_32
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loop_16: @ /*hard coded for width=16 ,height =8,16*/
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ldrb r8, [r0], r1
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ldrb r9, [r0], r1
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vdup.u8 q0, r8
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ldrb r10, [r0], r1
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vst1.8 {q0}, [r4], r1 @ 16 bytes store
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vdup.u8 q1, r9
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vst1.8 {q1}, [r4], r1 @ 16 bytes store
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ldrb r11, [r0], r1
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vdup.u8 q2, r10
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vdup.u8 q3, r11
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vst1.8 {q2}, [r4], r1 @ 16 bytes store
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ldrb r8, [r0], r1
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vst1.8 {q3}, [r4], r1 @ 16 bytes store
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ldrb r9, [r0], r1
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vdup.u8 q0, r8
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ldrb r10, [r0], r1
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vst1.8 {q0}, [r4], r1 @ 16 bytes store
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vdup.u8 q1, r9
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ldrb r11, [r0], r1
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vst1.8 {q1}, [r4], r1 @ 16 bytes store
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vdup.u8 q2, r10
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vdup.u8 q3, r11
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subs r2, r2, #8
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vst1.8 {q2}, [r4], r1 @ 16 bytes store
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vst1.8 {q3}, [r4], r1 @ 16 bytes store
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bne loop_16
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b end_func
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loop_32: @ /*hard coded for width=32 ,height =8,16*/
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ldrb r8, [r0], r1
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ldrb r9, [r0], r1
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vdup.u8 q0, r8
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ldrb r10, [r0], r1
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vst1.8 {q0}, [r4]! @ 16 bytes store
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vdup.u8 q1, r9
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vst1.8 {q0}, [r4], r6
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vst1.8 {q1}, [r4]! @ 16 bytes store
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vdup.u8 q2, r10
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vst1.8 {q1}, [r4], r6 @ 16 bytes store
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ldrb r11, [r0], r1
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vst1.8 {q2}, [r4]! @ 16 bytes store
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vdup.u8 q3, r11
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vst1.8 {q2}, [r4], r6 @ 16 bytes store
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ldrb r8, [r0], r1
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vst1.8 {q3}, [r4]! @ 16 bytes store
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vdup.u8 q0, r8
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ldrb r9, [r0], r1
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vst1.8 {q3}, [r4], r6 @ 16 bytes store
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ldrb r10, [r0], r1
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vst1.8 {q0}, [r4]! @ 16 bytes store
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vdup.u8 q1, r9
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vst1.8 {q0}, [r4], r6 @ 16 bytes store
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ldrb r11, [r0], r1
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vst1.8 {q1}, [r4]! @ 16 bytes store
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vdup.u8 q2, r10
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vst1.8 {q1}, [r4], r6 @ 16 bytes store
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vst1.8 {q2}, [r4]! @ 16 bytes store
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vdup.u8 q3, r11
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vst1.8 {q2}, [r4], r6 @ 16 bytes store
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subs r2, r2, #8
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vst1.8 {q3}, [r4]! @ 16 bytes store
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vst1.8 {q3}, [r4], r6 @ 16 bytes store
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bne loop_32
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end_func:
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ldmfd sp!, {r4-r11, pc} @Reload the registers from SP
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@**
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@*******************************************************************************
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@*
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@* @brief
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@* Padding (chroma block) at the left of a 2d array
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@*
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@* @par Description:
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@* The left column of a 2d array is replicated for pad_size times at the left
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@*
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@*
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@* @param[in] pu1_src
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@* UWORD8 pointer to the source
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@*
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@* @param[in] src_strd
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@* integer source stride
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@*
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@* @param[in] ht
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@* integer height of the array
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@*
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@* @param[in] wd
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@* integer width of the array (each colour component)
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@*
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@* @param[in] pad_size
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@* integer -padding size of the array
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@*
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@* @param[in] ht
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@* integer height of the array
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@*
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@* @param[in] wd
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@* integer width of the array
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@*
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@* @returns
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@*
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@* @remarks
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@* None
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@*
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@*******************************************************************************
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@*
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@#if PAD_LEFT_CHROMA == C
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@void ih264_pad_left_chroma(UWORD8 *pu1_src,
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@ WORD32 src_strd,
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@ WORD32 ht,
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@ WORD32 pad_size)
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@{
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@ r0 => *pu1_src
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@ r1 => src_strd
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@ r2 => ht
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@ r3 => pad_size
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.global ih264_pad_left_chroma_a9q
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ih264_pad_left_chroma_a9q:
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stmfd sp!, {r4-r11, lr} @stack stores the values of the arguments
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sub r4, r0, r3
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sub r6, r1, #16
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loop_32_l_c: @ /*hard coded for width=32 ,height =4,8,12*/
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ldrh r8, [r0], r1
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ldrh r9, [r0], r1
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vdup.u16 q0, r8
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ldrh r10, [r0], r1
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vst1.8 {q0}, [r4]! @ 16 bytes store
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vdup.u16 q1, r9
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vst1.8 {q0}, [r4], r6 @ 16 bytes store
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ldrh r11, [r0], r1
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vst1.8 {q1}, [r4]! @ 16 bytes store
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vdup.u16 q2, r10
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vst1.8 {q1}, [r4], r6 @ 16 bytes store
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vdup.u16 q3, r11
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vst1.8 {q2}, [r4]! @ 16 bytes store
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vst1.8 {q2}, [r4], r6 @ 16 bytes store
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subs r2, r2, #4
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vst1.8 {q3}, [r4]! @ 16 bytes store
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vst1.8 {q3}, [r4], r6 @ 16 bytes store
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beq end_func_l_c @/* Branching when ht=4*/
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ldrh r8, [r0], r1
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ldrh r9, [r0], r1
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vdup.u16 q0, r8
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ldrh r10, [r0], r1
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vst1.8 {q0}, [r4]! @ 16 bytes store
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vdup.u16 q1, r9
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vst1.8 {q0}, [r4], r6
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ldrh r11, [r0], r1
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vst1.8 {q1}, [r4]! @ 16 bytes store
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vdup.u16 q2, r10
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vst1.8 {q1}, [r4], r6 @ 16 bytes store
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vdup.u16 q3, r11
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vst1.8 {q2}, [r4]! @ 16 bytes store
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vst1.8 {q2}, [r4], r6 @ 16 bytes store
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subs r2, r2, #4
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vst1.8 {q3}, [r4]! @ 16 bytes store
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vst1.8 {q3}, [r4], r6 @ 16 bytes store
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beq end_func_l_c @/* Branching when ht=8*/
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bne loop_32_l_c
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ldrh r8, [r0], r1
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ldrh r9, [r0], r1
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vdup.u16 q0, r8
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ldrh r10, [r0], r1
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vst1.8 {q0}, [r4]! @ 16 bytes store
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vdup.u16 q1, r9
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vst1.8 {q0}, [r4], r6
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ldrh r11, [r0], r1
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vst1.8 {q1}, [r4]! @ 16 bytes store
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vdup.u16 q2, r10
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vst1.8 {q1}, [r4], r6 @ 16 bytes store
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vdup.u16 q3, r11
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vst1.8 {q2}, [r4]! @ 16 bytes store
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vst1.8 {q2}, [r4], r6 @ 16 bytes store
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vst1.8 {q3}, [r4]! @ 16 bytes store
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vst1.8 {q3}, [r4], r6 @ 16 bytes store
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end_func_l_c:
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ldmfd sp!, {r4-r11, pc} @Reload the registers from SP
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@**
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@*******************************************************************************
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@*
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@* @brief
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@* Padding (luma block) at the right of a 2d array
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@*
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@* @par Description:
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@* The right column of a 2d array is replicated for pad_size times at the right
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@*
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@*
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@* @param[in] pu1_src
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@* UWORD8 pointer to the source
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@*
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@* @param[in] src_strd
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@* integer source stride
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@*
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@* @param[in] ht
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@* integer height of the array
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@*
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@* @param[in] wd
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@* integer width of the array
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@*
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@* @param[in] pad_size
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@* integer -padding size of the array
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@*
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@* @param[in] ht
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@* integer height of the array
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@*
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@* @param[in] wd
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@* integer width of the array
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@*
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@* @returns
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@*
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@* @remarks
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@* None
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@*
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@*******************************************************************************
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@*
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@#if PAD_RIGHT_LUMA == C
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@void ih264_pad_right_luma(UWORD8 *pu1_src,
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@ WORD32 src_strd,
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@ WORD32 ht,
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@ WORD32 pad_size)
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@{
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@ WORD32 row;
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@
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@ for(row = 0; row < ht; row++)
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@ {
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@ memset(pu1_src, *(pu1_src -1), pad_size);
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@
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@ pu1_src += src_strd;
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@ }
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@}
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@
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@ r0 => *pu1_src
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@ r1 => src_strd
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@ r2 => ht
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@ r3 => pad_size
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.global ih264_pad_right_luma_a9q
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ih264_pad_right_luma_a9q:
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stmfd sp!, {r4-r11, lr} @stack stores the values of the arguments
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mov r4, r0
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sub r6, r1, #16
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sub r0, r0, #1
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subs r5, r3, #16
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bne loop_32
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loop_16_r: @ /*hard coded for width=16 ,height =8,16*/
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ldrb r8, [r0], r1
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ldrb r9, [r0], r1
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vdup.u8 q0, r8
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ldrb r10, [r0], r1
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vst1.8 {q0}, [r4], r1 @ 16 bytes store
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vdup.u8 q1, r9
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vst1.8 {q1}, [r4], r1 @ 16 bytes store
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ldrb r11, [r0], r1
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vdup.u8 q2, r10
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vdup.u8 q3, r11
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vst1.8 {q2}, [r4], r1 @ 16 bytes store
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ldrb r8, [r0], r1
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vst1.8 {q3}, [r4], r1 @ 16 bytes store
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ldrb r9, [r0], r1
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vdup.u8 q0, r8
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ldrb r10, [r0], r1
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vst1.8 {q0}, [r4], r1 @ 16 bytes store
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vdup.u8 q1, r9
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ldrb r11, [r0], r1
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vst1.8 {q1}, [r4], r1 @ 16 bytes store
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vdup.u8 q2, r10
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vdup.u8 q3, r11
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subs r2, r2, #8
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vst1.8 {q2}, [r4], r1 @ 16 bytes store
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vst1.8 {q3}, [r4], r1 @ 16 bytes store
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bne loop_16_r
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b end_func_r
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loop_32_r: @ /*hard coded for width=32 ,height =8,16*/
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ldrb r8, [r0], r1
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ldrb r9, [r0], r1
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vdup.u8 q0, r8
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ldrb r10, [r0], r1
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vst1.8 {q0}, [r4]! @ 16 bytes store
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vdup.u8 q1, r9
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vst1.8 {q0}, [r4], r6
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vst1.8 {q1}, [r4]! @ 16 bytes store
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vdup.u8 q2, r10
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vst1.8 {q1}, [r4], r6 @ 16 bytes store
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ldrb r11, [r0], r1
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vst1.8 {q2}, [r4]! @ 16 bytes store
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vdup.u8 q3, r11
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vst1.8 {q2}, [r4], r6 @ 16 bytes store
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ldrb r8, [r0], r1
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vst1.8 {q3}, [r4]! @ 16 bytes store
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ldrb r9, [r0], r1
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vdup.u8 q0, r8
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vst1.8 {q3}, [r4], r6 @ 16 bytes store
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ldrb r10, [r0], r1
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|
vst1.8 {q0}, [r4]! @ 16 bytes store
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|
vdup.u8 q1, r9
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vst1.8 {q0}, [r4], r6 @ 16 bytes store
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ldrb r11, [r0], r1
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|
vst1.8 {q1}, [r4]! @ 16 bytes store
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|
vdup.u8 q2, r10
|
|
vst1.8 {q1}, [r4], r6 @ 16 bytes store
|
|
vst1.8 {q2}, [r4]! @ 16 bytes store
|
|
vdup.u8 q3, r11
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|
vst1.8 {q2}, [r4], r6 @ 16 bytes store
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|
subs r2, r2, #8
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|
vst1.8 {q3}, [r4]! @ 16 bytes store
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|
vst1.8 {q3}, [r4], r6 @ 16 bytes store
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|
bne loop_32_r
|
|
|
|
|
|
|
|
end_func_r:
|
|
ldmfd sp!, {r4-r11, pc} @Reload the registers from SP
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|
|
|
|
|
|
|
|
|
|
@**
|
|
@*******************************************************************************
|
|
@*
|
|
@* @brief
|
|
@;* Padding (chroma block) at the right of a 2d array
|
|
@*
|
|
@* @par Description:
|
|
@* The right column of a 2d array is replicated for pad_size times at the right
|
|
@*
|
|
@*
|
|
@* @param[in] pu1_src
|
|
@;* UWORD8 pointer to the source
|
|
@*
|
|
@* @param[in] src_strd
|
|
@* integer source stride
|
|
@*
|
|
@* @param[in] ht
|
|
@;* integer height of the array
|
|
@*
|
|
@* @param[in] wd
|
|
@* integer width of the array (each colour component)
|
|
@*
|
|
@* @param[in] pad_size
|
|
@* integer -padding size of the array
|
|
@*
|
|
@* @param[in] ht
|
|
@;* integer height of the array
|
|
@*
|
|
@* @param[in] wd
|
|
@* integer width of the array
|
|
@*
|
|
@* @returns
|
|
@*
|
|
@* @remarks
|
|
@* None
|
|
@*
|
|
@*******************************************************************************
|
|
@*
|
|
@#if PAD_RIGHT_CHROMA == C
|
|
@void ih264_pad_right_chroma(UWORD8 *pu1_src,
|
|
@ WORD32 src_strd,
|
|
@ WORD32 ht,
|
|
@ WORD32 pad_size)
|
|
@ r0 => *pu1_src
|
|
@ r1 => src_strd
|
|
@ r2 => ht
|
|
@ r3 => pad_size
|
|
|
|
|
|
|
|
.global ih264_pad_right_chroma_a9q
|
|
|
|
ih264_pad_right_chroma_a9q:
|
|
|
|
stmfd sp!, {r4-r11, lr} @stack stores the values of the arguments
|
|
|
|
mov r4, r0
|
|
sub r6, r1, #16
|
|
sub r0, r0, #2
|
|
loop_32_r_c: @ /*hard coded for width=32 ,height =8,4*/
|
|
ldrh r8, [r0], r1
|
|
ldrh r9, [r0], r1
|
|
vdup.u16 q0, r8
|
|
ldrh r10, [r0], r1
|
|
vst1.8 {q0}, [r4]! @ 16 bytes store
|
|
vdup.u16 q1, r9
|
|
vst1.8 {q0}, [r4], r6
|
|
vst1.8 {q1}, [r4]! @ 16 bytes store
|
|
vdup.u16 q2, r10
|
|
vst1.8 {q1}, [r4], r6 @ 16 bytes store
|
|
subs r2, r2, #4
|
|
ldrh r11, [r0], r1
|
|
vst1.8 {q2}, [r4]! @ 16 bytes store
|
|
vdup.u16 q3, r11
|
|
vst1.8 {q2}, [r4], r6 @ 16 bytes store
|
|
vst1.8 {q3}, [r4]! @ 16 bytes store
|
|
vst1.8 {q3}, [r4], r6 @ 16 bytes store
|
|
|
|
beq end_func_r_c @/* Branching when ht=4*/
|
|
|
|
ldrh r8, [r0], r1
|
|
vdup.u16 q0, r8
|
|
ldrh r9, [r0], r1
|
|
ldrh r10, [r0], r1
|
|
vst1.8 {q0}, [r4]! @ 16 bytes store
|
|
vdup.u16 q1, r9
|
|
vst1.8 {q0}, [r4], r6 @ 16 bytes store
|
|
ldrh r11, [r0], r1
|
|
vst1.8 {q1}, [r4]! @ 16 bytes store
|
|
vdup.u16 q2, r10
|
|
vst1.8 {q1}, [r4], r6 @ 16 bytes store
|
|
vst1.8 {q2}, [r4]! @ 16 bytes store
|
|
vdup.u16 q3, r11
|
|
vst1.8 {q2}, [r4], r6 @ 16 bytes store
|
|
subs r2, r2, #4
|
|
vst1.8 {q3}, [r4]! @ 16 bytes store
|
|
vst1.8 {q3}, [r4], r6 @ 16 bytes store
|
|
|
|
beq end_func_r_c @/* Branching when ht=8*/
|
|
bne loop_32_r_c
|
|
|
|
ldrh r8, [r0], r1
|
|
vdup.u16 q0, r8
|
|
ldrh r9, [r0], r1
|
|
ldrh r10, [r0], r1
|
|
vst1.8 {q0}, [r4]! @ 16 bytes store
|
|
vdup.u16 q1, r9
|
|
vst1.8 {q0}, [r4], r6 @ 16 bytes store
|
|
ldrh r11, [r0], r1
|
|
vst1.8 {q1}, [r4]! @ 16 bytes store
|
|
vdup.u16 q2, r10
|
|
vst1.8 {q1}, [r4], r6 @ 16 bytes store
|
|
vst1.8 {q2}, [r4]! @ 16 bytes store
|
|
vdup.u16 q3, r11
|
|
vst1.8 {q2}, [r4], r6 @ 16 bytes store
|
|
vst1.8 {q3}, [r4]! @ 16 bytes store
|
|
vst1.8 {q3}, [r4], r6 @ 16 bytes store
|
|
|
|
end_func_r_c:
|
|
ldmfd sp!, {r4-r11, pc} @Reload the registers from SP
|
|
|
|
|
|
|
|
|
|
|