500 lines
15 KiB
NASM
500 lines
15 KiB
NASM
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;
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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 and patent
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; grant that can be found in the LICENSE file in the root of the source
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; tree. All contributing project authors may be found in the AUTHORS
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; file in the root of the source tree.
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;
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EXPORT |vp8_yv12_copy_frame_yonly_neon|
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EXPORT |vp8_yv12_copy_frame_yonly_no_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 vpxyv12_copy_frame_yonly(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
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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_copy_frame_yonly_neon| PROC
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push {r4 - r11, lr}
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vpush {d8 - d15}
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ldr r4, [r0, #yv12_buffer_config_y_height]
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ldr r5, [r0, #yv12_buffer_config_y_width]
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ldr r6, [r0, #yv12_buffer_config_y_stride]
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ldr r7, [r1, #yv12_buffer_config_y_stride]
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ldr r2, [r0, #yv12_buffer_config_y_buffer] ;srcptr1
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ldr r3, [r1, #yv12_buffer_config_y_buffer] ;dstptr1
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; copy two rows at one time
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mov lr, r4, lsr #1
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cp_src_to_dst_height_loop
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mov r8, r2
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mov r9, r3
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add r10, r2, r6
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add r11, r3, r7
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mov r12, r5, lsr #7
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cp_src_to_dst_width_loop
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vld1.8 {q0, q1}, [r8]!
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vld1.8 {q8, q9}, [r10]!
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vld1.8 {q2, q3}, [r8]!
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vld1.8 {q10, q11}, [r10]!
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vld1.8 {q4, q5}, [r8]!
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vld1.8 {q12, q13}, [r10]!
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vld1.8 {q6, q7}, [r8]!
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vld1.8 {q14, q15}, [r10]!
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subs r12, r12, #1
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vst1.8 {q0, q1}, [r9]!
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vst1.8 {q8, q9}, [r11]!
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vst1.8 {q2, q3}, [r9]!
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vst1.8 {q10, q11}, [r11]!
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vst1.8 {q4, q5}, [r9]!
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vst1.8 {q12, q13}, [r11]!
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vst1.8 {q6, q7}, [r9]!
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vst1.8 {q14, q15}, [r11]!
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bne cp_src_to_dst_width_loop
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subs lr, lr, #1
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add r2, r2, r6, lsl #1
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add r3, r3, r7, lsl #1
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bne cp_src_to_dst_height_loop
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ands r10, r5, #0x7f ;check to see if extra copy is needed
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sub r11, r5, r10
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ldr r2, [r0, #yv12_buffer_config_y_buffer] ;srcptr1
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ldr r3, [r1, #yv12_buffer_config_y_buffer] ;dstptr1
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bne extra_cp_src_to_dst_width
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end_of_cp_src_to_dst
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;vpxyv12_extend_frame_borders_yonly
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mov r0, r1
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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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vpop {d8 - d15}
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pop {r4 - r11, 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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;=======================
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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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vpop {d8 - d15}
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pop {r4 - r11, pc}
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;=====================
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;extra copy part for Y
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extra_top_bottom_y_b16
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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_16_b16
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subs r9, r9, #1
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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_cp_src_to_dst_width
|
||
|
|
add r2, r2, r11
|
||
|
|
add r3, r3, r11
|
||
|
|
add r0, r8, r6
|
||
|
|
add r11, r9, r7
|
||
|
|
|
||
|
|
mov lr, r4, lsr #1
|
||
|
|
extra_cp_src_to_dst_height_loop
|
||
|
|
mov r8, r2
|
||
|
|
mov r9, r3
|
||
|
|
add r0, r8, r6
|
||
|
|
add r11, r9, r7
|
||
|
|
|
||
|
|
mov r12, r10
|
||
|
|
|
||
|
|
extra_cp_src_to_dst_width_loop
|
||
|
|
vld1.8 {q0}, [r8]!
|
||
|
|
vld1.8 {q1}, [r0]!
|
||
|
|
|
||
|
|
subs r12, r12, #16
|
||
|
|
|
||
|
|
vst1.8 {q0}, [r9]!
|
||
|
|
vst1.8 {q1}, [r11]!
|
||
|
|
bne extra_cp_src_to_dst_width_loop
|
||
|
|
|
||
|
|
subs lr, lr, #1
|
||
|
|
|
||
|
|
add r2, r2, r6, lsl #1
|
||
|
|
add r3, r3, r7, lsl #1
|
||
|
|
|
||
|
|
bne extra_cp_src_to_dst_height_loop
|
||
|
|
|
||
|
|
b end_of_cp_src_to_dst
|
||
|
|
|
||
|
|
ENDP
|
||
|
|
|
||
|
|
;===========================================================
|
||
|
|
;In vp8cx_pick_filter_level(), call vp8_yv12_copy_frame_yonly
|
||
|
|
;without extend_frame_borders.
|
||
|
|
|vp8_yv12_copy_frame_yonly_no_extend_frame_borders_neon| PROC
|
||
|
|
push {r4 - r11, lr}
|
||
|
|
vpush {d8-d15}
|
||
|
|
|
||
|
|
ldr r4, [r0, #yv12_buffer_config_y_height]
|
||
|
|
ldr r5, [r0, #yv12_buffer_config_y_width]
|
||
|
|
ldr r6, [r0, #yv12_buffer_config_y_stride]
|
||
|
|
ldr r7, [r1, #yv12_buffer_config_y_stride]
|
||
|
|
ldr r2, [r0, #yv12_buffer_config_y_buffer] ;srcptr1
|
||
|
|
ldr r3, [r1, #yv12_buffer_config_y_buffer] ;dstptr1
|
||
|
|
|
||
|
|
; copy two rows at one time
|
||
|
|
mov lr, r4, lsr #1
|
||
|
|
|
||
|
|
cp_src_to_dst_height_loop1
|
||
|
|
mov r8, r2
|
||
|
|
mov r9, r3
|
||
|
|
add r10, r2, r6
|
||
|
|
add r11, r3, r7
|
||
|
|
mov r12, r5, lsr #7
|
||
|
|
|
||
|
|
cp_src_to_dst_width_loop1
|
||
|
|
vld1.8 {q0, q1}, [r8]!
|
||
|
|
vld1.8 {q8, q9}, [r10]!
|
||
|
|
vld1.8 {q2, q3}, [r8]!
|
||
|
|
vld1.8 {q10, q11}, [r10]!
|
||
|
|
vld1.8 {q4, q5}, [r8]!
|
||
|
|
vld1.8 {q12, q13}, [r10]!
|
||
|
|
vld1.8 {q6, q7}, [r8]!
|
||
|
|
vld1.8 {q14, q15}, [r10]!
|
||
|
|
|
||
|
|
subs r12, r12, #1
|
||
|
|
|
||
|
|
vst1.8 {q0, q1}, [r9]!
|
||
|
|
vst1.8 {q8, q9}, [r11]!
|
||
|
|
vst1.8 {q2, q3}, [r9]!
|
||
|
|
vst1.8 {q10, q11}, [r11]!
|
||
|
|
vst1.8 {q4, q5}, [r9]!
|
||
|
|
vst1.8 {q12, q13}, [r11]!
|
||
|
|
vst1.8 {q6, q7}, [r9]!
|
||
|
|
vst1.8 {q14, q15}, [r11]!
|
||
|
|
|
||
|
|
bne cp_src_to_dst_width_loop1
|
||
|
|
|
||
|
|
subs lr, lr, #1
|
||
|
|
add r2, r2, r6, lsl #1
|
||
|
|
add r3, r3, r7, lsl #1
|
||
|
|
|
||
|
|
bne cp_src_to_dst_height_loop1
|
||
|
|
|
||
|
|
ands r10, r5, #0x7f ;check to see if extra copy is needed
|
||
|
|
sub r11, r5, r10
|
||
|
|
ldr r2, [r0, #yv12_buffer_config_y_buffer] ;srcptr1
|
||
|
|
ldr r3, [r1, #yv12_buffer_config_y_buffer] ;dstptr1
|
||
|
|
bne extra_cp_src_to_dst_width1
|
||
|
|
end_of_cp_src_to_dst1
|
||
|
|
|
||
|
|
vpop {d8 - d15}
|
||
|
|
pop {r4-r11, pc}
|
||
|
|
|
||
|
|
;=============================
|
||
|
|
extra_cp_src_to_dst_width1
|
||
|
|
add r2, r2, r11
|
||
|
|
add r3, r3, r11
|
||
|
|
add r0, r8, r6
|
||
|
|
add r11, r9, r7
|
||
|
|
|
||
|
|
mov lr, r4, lsr #1
|
||
|
|
extra_cp_src_to_dst_height_loop1
|
||
|
|
mov r8, r2
|
||
|
|
mov r9, r3
|
||
|
|
add r0, r8, r6
|
||
|
|
add r11, r9, r7
|
||
|
|
|
||
|
|
mov r12, r10
|
||
|
|
|
||
|
|
extra_cp_src_to_dst_width_loop1
|
||
|
|
vld1.8 {q0}, [r8]!
|
||
|
|
vld1.8 {q1}, [r0]!
|
||
|
|
|
||
|
|
subs r12, r12, #16
|
||
|
|
|
||
|
|
vst1.8 {q0}, [r9]!
|
||
|
|
vst1.8 {q1}, [r11]!
|
||
|
|
bne extra_cp_src_to_dst_width_loop1
|
||
|
|
|
||
|
|
subs lr, lr, #1
|
||
|
|
|
||
|
|
add r2, r2, r6, lsl #1
|
||
|
|
add r3, r3, r7, lsl #1
|
||
|
|
|
||
|
|
bne extra_cp_src_to_dst_height_loop1
|
||
|
|
|
||
|
|
b end_of_cp_src_to_dst1
|
||
|
|
|
||
|
|
ENDP
|
||
|
|
|
||
|
|
END
|