94c52e4da8
When the license headers were updated, they accidentally contained trailing whitespace, so unfortunately we have to touch all the files again. Change-Id: I236c05fade06589e417179c0444cb39b09e4200d
589 lines
18 KiB
NASM
589 lines
18 KiB
NASM
;
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; Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
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;
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; Use of this source code is governed by a BSD-style license
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; that can be found in the LICENSE file in the root of the source
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; tree. An additional intellectual property rights grant can be found
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; in the file PATENTS. All contributing project authors may
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; be found in the AUTHORS file in the root of the source tree.
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;
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EXPORT |vp8_yv12_extend_frame_borders_neon|
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ARM
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REQUIRE8
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PRESERVE8
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INCLUDE vpx_asm_offsets.asm
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AREA ||.text||, CODE, READONLY, ALIGN=2
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;void vp8_yv12_extend_frame_borders_neon (YV12_BUFFER_CONFIG *ybf);
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;Note: this is VP8 function, which has border=32 and 16. Internal y_width and y_height
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; are always multiples of 16.
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|vp8_yv12_extend_frame_borders_neon| PROC
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push {r4 - r10, lr}
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vpush {d8 - d15}
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;Not need to load y_width, since: y_width = y_stride - 2*border
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ldr r3, [r0, #yv12_buffer_config_border]
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ldr r1, [r0, #yv12_buffer_config_y_buffer] ;srcptr1
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ldr r4, [r0, #yv12_buffer_config_y_height]
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ldr lr, [r0, #yv12_buffer_config_y_stride]
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cmp r3, #16
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beq b16_extend_frame_borders
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;=======================
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b32_extend_frame_borders
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;border = 32
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;=======================
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;Border copy for Y plane
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;copy the left and right most columns out
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sub r5, r1, r3 ;destptr1
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add r6, r1, lr
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sub r6, r6, r3, lsl #1 ;destptr2
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sub r2, r6, #1 ;srcptr2
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;Do four rows at one time
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mov r12, r4, lsr #2
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copy_left_right_y
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vld1.8 {d0[], d1[]}, [r1], lr
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vld1.8 {d4[], d5[]}, [r2], lr
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vld1.8 {d8[], d9[]}, [r1], lr
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vld1.8 {d12[], d13[]}, [r2], lr
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vld1.8 {d16[], d17[]}, [r1], lr
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vld1.8 {d20[], d21[]}, [r2], lr
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vld1.8 {d24[], d25[]}, [r1], lr
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vld1.8 {d28[], d29[]}, [r2], lr
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vmov q1, q0
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vmov q3, q2
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vmov q5, q4
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vmov q7, q6
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vmov q9, q8
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vmov q11, q10
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vmov q13, q12
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vmov q15, q14
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subs r12, r12, #1
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vst1.8 {q0, q1}, [r5], lr
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vst1.8 {q2, q3}, [r6], lr
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vst1.8 {q4, q5}, [r5], lr
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vst1.8 {q6, q7}, [r6], lr
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vst1.8 {q8, q9}, [r5], lr
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vst1.8 {q10, q11}, [r6], lr
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vst1.8 {q12, q13}, [r5], lr
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vst1.8 {q14, q15}, [r6], lr
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bne copy_left_right_y
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;Now copy the top and bottom source lines into each line of the respective borders
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ldr r7, [r0, #yv12_buffer_config_y_buffer] ;srcptr1
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mul r8, r3, lr
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mov r12, lr, lsr #7
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sub r6, r1, r3 ;destptr2
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sub r2, r6, lr ;srcptr2
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sub r1, r7, r3 ;srcptr1
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sub r5, r1, r8 ;destptr1
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copy_top_bottom_y
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vld1.8 {q0, q1}, [r1]!
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vld1.8 {q8, q9}, [r2]!
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vld1.8 {q2, q3}, [r1]!
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vld1.8 {q10, q11}, [r2]!
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vld1.8 {q4, q5}, [r1]!
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vld1.8 {q12, q13}, [r2]!
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vld1.8 {q6, q7}, [r1]!
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vld1.8 {q14, q15}, [r2]!
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mov r7, r3
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top_bottom_32
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subs r7, r7, #1
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vst1.8 {q0, q1}, [r5]!
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vst1.8 {q8, q9}, [r6]!
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vst1.8 {q2, q3}, [r5]!
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vst1.8 {q10, q11}, [r6]!
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vst1.8 {q4, q5}, [r5]!
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vst1.8 {q12, q13}, [r6]!
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vst1.8 {q6, q7}, [r5]!
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vst1.8 {q14, q15}, [r6]!
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add r5, r5, lr
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sub r5, r5, #128
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add r6, r6, lr
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sub r6, r6, #128
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bne top_bottom_32
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sub r5, r1, r8
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add r6, r2, lr
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subs r12, r12, #1
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bne copy_top_bottom_y
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mov r7, lr, lsr #4 ;check to see if extra copy is needed
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ands r7, r7, #0x7
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bne extra_top_bottom_y
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end_of_border_copy_y
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;Border copy for U, V planes
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ldr r1, [r0, #yv12_buffer_config_u_buffer] ;srcptr1
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mov lr, lr, lsr #1 ;uv_stride
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mov r3, r3, lsr #1 ;border
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mov r4, r4, lsr #1 ;uv_height
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mov r8, r8, lsr #2
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mov r10, #2
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;copy the left and right most columns out
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border_copy_uv
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sub r5, r1, r3 ;destptr1
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add r6, r1, lr
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sub r6, r6, r3, lsl #1 ;destptr2
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sub r2, r6, #1 ;srcptr2
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mov r7, r1
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;Do eight rows at one time
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mov r12, r4, lsr #3
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copy_left_right_uv
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vld1.8 {d0[], d1[]}, [r1], lr
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vld1.8 {d2[], d3[]}, [r2], lr
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vld1.8 {d4[], d5[]}, [r1], lr
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vld1.8 {d6[], d7[]}, [r2], lr
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vld1.8 {d8[], d9[]}, [r1], lr
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vld1.8 {d10[], d11[]}, [r2], lr
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vld1.8 {d12[], d13[]}, [r1], lr
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vld1.8 {d14[], d15[]}, [r2], lr
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vld1.8 {d16[], d17[]}, [r1], lr
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vld1.8 {d18[], d19[]}, [r2], lr
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vld1.8 {d20[], d21[]}, [r1], lr
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vld1.8 {d22[], d23[]}, [r2], lr
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vld1.8 {d24[], d25[]}, [r1], lr
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vld1.8 {d26[], d27[]}, [r2], lr
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vld1.8 {d28[], d29[]}, [r1], lr
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vld1.8 {d30[], d31[]}, [r2], lr
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subs r12, r12, #1
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vst1.8 {q0}, [r5], lr
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vst1.8 {q1}, [r6], lr
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vst1.8 {q2}, [r5], lr
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vst1.8 {q3}, [r6], lr
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vst1.8 {q4}, [r5], lr
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vst1.8 {q5}, [r6], lr
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vst1.8 {q6}, [r5], lr
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vst1.8 {q7}, [r6], lr
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vst1.8 {q8}, [r5], lr
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vst1.8 {q9}, [r6], lr
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vst1.8 {q10}, [r5], lr
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vst1.8 {q11}, [r6], lr
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vst1.8 {q12}, [r5], lr
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vst1.8 {q13}, [r6], lr
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vst1.8 {q14}, [r5], lr
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vst1.8 {q15}, [r6], lr
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bne copy_left_right_uv
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;Now copy the top and bottom source lines into each line of the respective borders
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mov r12, lr, lsr #6
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sub r6, r1, r3 ;destptr2
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sub r2, r6, lr ;srcptr2
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sub r1, r7, r3 ;srcptr1
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sub r5, r1, r8 ;destptr1
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copy_top_bottom_uv
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vld1.8 {q0, q1}, [r1]!
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vld1.8 {q8, q9}, [r2]!
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vld1.8 {q2, q3}, [r1]!
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vld1.8 {q10, q11}, [r2]!
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mov r7, r3
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top_bottom_16
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subs r7, r7, #1
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vst1.8 {q0, q1}, [r5]!
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vst1.8 {q8, q9}, [r6]!
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vst1.8 {q2, q3}, [r5]!
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vst1.8 {q10, q11}, [r6]!
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add r5, r5, lr
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sub r5, r5, #64
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add r6, r6, lr
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sub r6, r6, #64
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bne top_bottom_16
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sub r5, r1, r8
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add r6, r2, lr
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subs r12, r12, #1
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bne copy_top_bottom_uv
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mov r7, lr, lsr #3 ;check to see if extra copy is needed
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ands r7, r7, #0x7
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bne extra_top_bottom_uv
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end_of_border_copy_uv
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subs r10, r10, #1
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ldrne r1, [r0, #yv12_buffer_config_v_buffer] ;srcptr1
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bne border_copy_uv
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vpop {d8 - d15}
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pop {r4 - r10, pc}
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;;;;;;;;;;;;;;;;;;;;;;
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;extra copy part for Y
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extra_top_bottom_y
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vld1.8 {q0}, [r1]!
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vld1.8 {q2}, [r2]!
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mov r9, r3, lsr #3
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extra_top_bottom_32
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subs r9, r9, #1
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vst1.8 {q0}, [r5], lr
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vst1.8 {q2}, [r6], lr
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vst1.8 {q0}, [r5], lr
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vst1.8 {q2}, [r6], lr
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vst1.8 {q0}, [r5], lr
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vst1.8 {q2}, [r6], lr
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vst1.8 {q0}, [r5], lr
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vst1.8 {q2}, [r6], lr
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vst1.8 {q0}, [r5], lr
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vst1.8 {q2}, [r6], lr
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vst1.8 {q0}, [r5], lr
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vst1.8 {q2}, [r6], lr
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vst1.8 {q0}, [r5], lr
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vst1.8 {q2}, [r6], lr
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vst1.8 {q0}, [r5], lr
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vst1.8 {q2}, [r6], lr
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bne extra_top_bottom_32
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sub r5, r1, r8
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add r6, r2, lr
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subs r7, r7, #1
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bne extra_top_bottom_y
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b end_of_border_copy_y
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;extra copy part for UV
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extra_top_bottom_uv
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vld1.8 {d0}, [r1]!
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vld1.8 {d8}, [r2]!
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mov r9, r3, lsr #3
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extra_top_bottom_16
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subs r9, r9, #1
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vst1.8 {d0}, [r5], lr
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vst1.8 {d8}, [r6], lr
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vst1.8 {d0}, [r5], lr
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vst1.8 {d8}, [r6], lr
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vst1.8 {d0}, [r5], lr
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vst1.8 {d8}, [r6], lr
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vst1.8 {d0}, [r5], lr
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vst1.8 {d8}, [r6], lr
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vst1.8 {d0}, [r5], lr
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vst1.8 {d8}, [r6], lr
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vst1.8 {d0}, [r5], lr
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vst1.8 {d8}, [r6], lr
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vst1.8 {d0}, [r5], lr
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vst1.8 {d8}, [r6], lr
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vst1.8 {d0}, [r5], lr
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vst1.8 {d8}, [r6], lr
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bne extra_top_bottom_16
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sub r5, r1, r8
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add r6, r2, lr
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subs r7, r7, #1
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bne extra_top_bottom_uv
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b end_of_border_copy_uv
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;=======================
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b16_extend_frame_borders
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;border = 16
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;=======================
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;Border copy for Y plane
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;copy the left and right most columns out
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sub r5, r1, r3 ;destptr1
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add r6, r1, lr
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sub r6, r6, r3, lsl #1 ;destptr2
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sub r2, r6, #1 ;srcptr2
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;Do four rows at one time
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mov r12, r4, lsr #2
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copy_left_right_y_b16
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vld1.8 {d0[], d1[]}, [r1], lr
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vld1.8 {d4[], d5[]}, [r2], lr
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vld1.8 {d8[], d9[]}, [r1], lr
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vld1.8 {d12[], d13[]}, [r2], lr
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vld1.8 {d16[], d17[]}, [r1], lr
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vld1.8 {d20[], d21[]}, [r2], lr
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vld1.8 {d24[], d25[]}, [r1], lr
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vld1.8 {d28[], d29[]}, [r2], lr
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subs r12, r12, #1
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vst1.8 {q0}, [r5], lr
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vst1.8 {q2}, [r6], lr
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vst1.8 {q4}, [r5], lr
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vst1.8 {q6}, [r6], lr
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vst1.8 {q8}, [r5], lr
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vst1.8 {q10}, [r6], lr
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vst1.8 {q12}, [r5], lr
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vst1.8 {q14}, [r6], lr
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bne copy_left_right_y_b16
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;Now copy the top and bottom source lines into each line of the respective borders
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ldr r7, [r0, #yv12_buffer_config_y_buffer] ;srcptr1
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mul r8, r3, lr
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mov r12, lr, lsr #7
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sub r6, r1, r3 ;destptr2
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sub r2, r6, lr ;srcptr2
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sub r1, r7, r3 ;srcptr1
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sub r5, r1, r8 ;destptr1
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copy_top_bottom_y_b16
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vld1.8 {q0, q1}, [r1]!
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vld1.8 {q8, q9}, [r2]!
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vld1.8 {q2, q3}, [r1]!
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vld1.8 {q10, q11}, [r2]!
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vld1.8 {q4, q5}, [r1]!
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vld1.8 {q12, q13}, [r2]!
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vld1.8 {q6, q7}, [r1]!
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vld1.8 {q14, q15}, [r2]!
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mov r7, r3
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top_bottom_16_b16
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subs r7, r7, #1
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vst1.8 {q0, q1}, [r5]!
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vst1.8 {q8, q9}, [r6]!
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vst1.8 {q2, q3}, [r5]!
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vst1.8 {q10, q11}, [r6]!
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vst1.8 {q4, q5}, [r5]!
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vst1.8 {q12, q13}, [r6]!
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vst1.8 {q6, q7}, [r5]!
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vst1.8 {q14, q15}, [r6]!
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add r5, r5, lr
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sub r5, r5, #128
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add r6, r6, lr
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sub r6, r6, #128
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bne top_bottom_16_b16
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sub r5, r1, r8
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add r6, r2, lr
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subs r12, r12, #1
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bne copy_top_bottom_y_b16
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mov r7, lr, lsr #4 ;check to see if extra copy is needed
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ands r7, r7, #0x7
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bne extra_top_bottom_y_b16
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end_of_border_copy_y_b16
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;Border copy for U, V planes
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ldr r1, [r0, #yv12_buffer_config_u_buffer] ;srcptr1
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mov lr, lr, lsr #1 ;uv_stride
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mov r3, r3, lsr #1 ;border
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mov r4, r4, lsr #1 ;uv_height
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mov r8, r8, lsr #2
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mov r10, #2
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;copy the left and right most columns out
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border_copy_uv_b16
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sub r5, r1, r3 ;destptr1
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add r6, r1, lr
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sub r6, r6, r3, lsl #1 ;destptr2
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sub r2, r6, #1 ;srcptr2
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mov r7, r1
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;Do eight rows at one time
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mov r12, r4, lsr #3
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copy_left_right_uv_b16
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vld1.8 {d0[]}, [r1], lr
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vld1.8 {d2[]}, [r2], lr
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vld1.8 {d4[]}, [r1], lr
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vld1.8 {d6[]}, [r2], lr
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vld1.8 {d8[]}, [r1], lr
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vld1.8 {d10[]}, [r2], lr
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vld1.8 {d12[]}, [r1], lr
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vld1.8 {d14[]}, [r2], lr
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vld1.8 {d16[]}, [r1], lr
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vld1.8 {d18[]}, [r2], lr
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vld1.8 {d20[]}, [r1], lr
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vld1.8 {d22[]}, [r2], lr
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vld1.8 {d24[]}, [r1], lr
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vld1.8 {d26[]}, [r2], lr
|
|
vld1.8 {d28[]}, [r1], lr
|
|
vld1.8 {d30[]}, [r2], lr
|
|
|
|
subs r12, r12, #1
|
|
|
|
vst1.8 {d0}, [r5], lr
|
|
vst1.8 {d2}, [r6], lr
|
|
vst1.8 {d4}, [r5], lr
|
|
vst1.8 {d6}, [r6], lr
|
|
vst1.8 {d8}, [r5], lr
|
|
vst1.8 {d10}, [r6], lr
|
|
vst1.8 {d12}, [r5], lr
|
|
vst1.8 {d14}, [r6], lr
|
|
vst1.8 {d16}, [r5], lr
|
|
vst1.8 {d18}, [r6], lr
|
|
vst1.8 {d20}, [r5], lr
|
|
vst1.8 {d22}, [r6], lr
|
|
vst1.8 {d24}, [r5], lr
|
|
vst1.8 {d26}, [r6], lr
|
|
vst1.8 {d28}, [r5], lr
|
|
vst1.8 {d30}, [r6], lr
|
|
|
|
bne copy_left_right_uv_b16
|
|
|
|
;Now copy the top and bottom source lines into each line of the respective borders
|
|
mov r12, lr, lsr #6
|
|
|
|
sub r6, r1, r3 ;destptr2
|
|
sub r2, r6, lr ;srcptr2
|
|
sub r1, r7, r3 ;srcptr1
|
|
sub r5, r1, r8 ;destptr1
|
|
|
|
copy_top_bottom_uv_b16
|
|
vld1.8 {q0, q1}, [r1]!
|
|
vld1.8 {q8, q9}, [r2]!
|
|
vld1.8 {q2, q3}, [r1]!
|
|
vld1.8 {q10, q11}, [r2]!
|
|
|
|
mov r7, r3
|
|
|
|
top_bottom_8_b16
|
|
subs r7, r7, #1
|
|
|
|
vst1.8 {q0, q1}, [r5]!
|
|
vst1.8 {q8, q9}, [r6]!
|
|
vst1.8 {q2, q3}, [r5]!
|
|
vst1.8 {q10, q11}, [r6]!
|
|
|
|
add r5, r5, lr
|
|
sub r5, r5, #64
|
|
add r6, r6, lr
|
|
sub r6, r6, #64
|
|
|
|
bne top_bottom_8_b16
|
|
|
|
sub r5, r1, r8
|
|
add r6, r2, lr
|
|
|
|
subs r12, r12, #1
|
|
bne copy_top_bottom_uv_b16
|
|
|
|
mov r7, lr, lsr #3 ;check to see if extra copy is needed
|
|
ands r7, r7, #0x7
|
|
bne extra_top_bottom_uv_b16
|
|
|
|
end_of_border_copy_uv_b16
|
|
subs r10, r10, #1
|
|
ldrne r1, [r0, #yv12_buffer_config_v_buffer] ;srcptr1
|
|
bne border_copy_uv_b16
|
|
|
|
vpop {d8-d15}
|
|
pop {r4 - r10, pc}
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;
|
|
;extra copy part for Y
|
|
extra_top_bottom_y_b16
|
|
vld1.8 {q0}, [r1]!
|
|
vld1.8 {q2}, [r2]!
|
|
|
|
mov r9, r3, lsr #3
|
|
|
|
extra_top_bottom_16_b16
|
|
subs r9, r9, #1
|
|
|
|
vst1.8 {q0}, [r5], lr
|
|
vst1.8 {q2}, [r6], lr
|
|
vst1.8 {q0}, [r5], lr
|
|
vst1.8 {q2}, [r6], lr
|
|
vst1.8 {q0}, [r5], lr
|
|
vst1.8 {q2}, [r6], lr
|
|
vst1.8 {q0}, [r5], lr
|
|
vst1.8 {q2}, [r6], lr
|
|
vst1.8 {q0}, [r5], lr
|
|
vst1.8 {q2}, [r6], lr
|
|
vst1.8 {q0}, [r5], lr
|
|
vst1.8 {q2}, [r6], lr
|
|
vst1.8 {q0}, [r5], lr
|
|
vst1.8 {q2}, [r6], lr
|
|
vst1.8 {q0}, [r5], lr
|
|
vst1.8 {q2}, [r6], lr
|
|
bne extra_top_bottom_16_b16
|
|
|
|
sub r5, r1, r8
|
|
add r6, r2, lr
|
|
subs r7, r7, #1
|
|
bne extra_top_bottom_y_b16
|
|
|
|
b end_of_border_copy_y_b16
|
|
|
|
;extra copy part for UV
|
|
extra_top_bottom_uv_b16
|
|
vld1.8 {d0}, [r1]!
|
|
vld1.8 {d8}, [r2]!
|
|
|
|
mov r9, r3, lsr #3
|
|
|
|
extra_top_bottom_8_b16
|
|
subs r9, r9, #1
|
|
|
|
vst1.8 {d0}, [r5], lr
|
|
vst1.8 {d8}, [r6], lr
|
|
vst1.8 {d0}, [r5], lr
|
|
vst1.8 {d8}, [r6], lr
|
|
vst1.8 {d0}, [r5], lr
|
|
vst1.8 {d8}, [r6], lr
|
|
vst1.8 {d0}, [r5], lr
|
|
vst1.8 {d8}, [r6], lr
|
|
vst1.8 {d0}, [r5], lr
|
|
vst1.8 {d8}, [r6], lr
|
|
vst1.8 {d0}, [r5], lr
|
|
vst1.8 {d8}, [r6], lr
|
|
vst1.8 {d0}, [r5], lr
|
|
vst1.8 {d8}, [r6], lr
|
|
vst1.8 {d0}, [r5], lr
|
|
vst1.8 {d8}, [r6], lr
|
|
bne extra_top_bottom_8_b16
|
|
|
|
sub r5, r1, r8
|
|
add r6, r2, lr
|
|
subs r7, r7, #1
|
|
bne extra_top_bottom_uv_b16
|
|
|
|
b end_of_border_copy_uv_b16
|
|
|
|
ENDP
|
|
END
|