| ; |
| ; Copyright (c) 2010 The VP8 project authors. All Rights Reserved. |
| ; |
| ; Use of this source code is governed by a BSD-style license and patent |
| ; grant that can be found in the LICENSE file in the root of the source |
| ; tree. All contributing project authors may be found in the AUTHORS |
| ; file in the root of the source tree. |
| ; |
| |
| |
| EXPORT |vp8_yv12_extend_frame_borders_neon| |
| ARM |
| REQUIRE8 |
| PRESERVE8 |
| |
| INCLUDE vpx_asm_offsets.asm |
| |
| AREA ||.text||, CODE, READONLY, ALIGN=2 |
| ;void vp8_yv12_extend_frame_borders_neon (YV12_BUFFER_CONFIG *ybf); |
| ;Note: this is VP8 function, which has border=32 and 16. Internal y_width and y_height |
| ; are always multiples of 16. |
| |
| |vp8_yv12_extend_frame_borders_neon| PROC |
| push {r4 - r10, lr} |
| vpush {d8 - d15} |
| |
| ;Not need to load y_width, since: y_width = y_stride - 2*border |
| ldr r3, [r0, #yv12_buffer_config_border] |
| ldr r1, [r0, #yv12_buffer_config_y_buffer] ;srcptr1 |
| ldr r4, [r0, #yv12_buffer_config_y_height] |
| ldr lr, [r0, #yv12_buffer_config_y_stride] |
| |
| cmp r3, #16 |
| beq b16_extend_frame_borders |
| |
| ;======================= |
| b32_extend_frame_borders |
| ;border = 32 |
| ;======================= |
| ;Border copy for Y plane |
| ;copy the left and right most columns out |
| sub r5, r1, r3 ;destptr1 |
| add r6, r1, lr |
| sub r6, r6, r3, lsl #1 ;destptr2 |
| sub r2, r6, #1 ;srcptr2 |
| |
| ;Do four rows at one time |
| mov r12, r4, lsr #2 |
| |
| copy_left_right_y |
| vld1.8 {d0[], d1[]}, [r1], lr |
| vld1.8 {d4[], d5[]}, [r2], lr |
| vld1.8 {d8[], d9[]}, [r1], lr |
| vld1.8 {d12[], d13[]}, [r2], lr |
| vld1.8 {d16[], d17[]}, [r1], lr |
| vld1.8 {d20[], d21[]}, [r2], lr |
| vld1.8 {d24[], d25[]}, [r1], lr |
| vld1.8 {d28[], d29[]}, [r2], lr |
| |
| vmov q1, q0 |
| vmov q3, q2 |
| vmov q5, q4 |
| vmov q7, q6 |
| vmov q9, q8 |
| vmov q11, q10 |
| vmov q13, q12 |
| vmov q15, q14 |
| |
| subs r12, r12, #1 |
| |
| vst1.8 {q0, q1}, [r5], lr |
| vst1.8 {q2, q3}, [r6], lr |
| vst1.8 {q4, q5}, [r5], lr |
| vst1.8 {q6, q7}, [r6], lr |
| vst1.8 {q8, q9}, [r5], lr |
| vst1.8 {q10, q11}, [r6], lr |
| vst1.8 {q12, q13}, [r5], lr |
| vst1.8 {q14, q15}, [r6], lr |
| |
| bne copy_left_right_y |
| |
| ;Now copy the top and bottom source lines into each line of the respective borders |
| ldr r7, [r0, #yv12_buffer_config_y_buffer] ;srcptr1 |
| mul r8, r3, lr |
| |
| mov r12, lr, lsr #7 |
| |
| sub r6, r1, r3 ;destptr2 |
| sub r2, r6, lr ;srcptr2 |
| sub r1, r7, r3 ;srcptr1 |
| sub r5, r1, r8 ;destptr1 |
| |
| copy_top_bottom_y |
| vld1.8 {q0, q1}, [r1]! |
| vld1.8 {q8, q9}, [r2]! |
| vld1.8 {q2, q3}, [r1]! |
| vld1.8 {q10, q11}, [r2]! |
| vld1.8 {q4, q5}, [r1]! |
| vld1.8 {q12, q13}, [r2]! |
| vld1.8 {q6, q7}, [r1]! |
| vld1.8 {q14, q15}, [r2]! |
| |
| mov r7, r3 |
| |
| top_bottom_32 |
| subs r7, r7, #1 |
| |
| vst1.8 {q0, q1}, [r5]! |
| vst1.8 {q8, q9}, [r6]! |
| vst1.8 {q2, q3}, [r5]! |
| vst1.8 {q10, q11}, [r6]! |
| vst1.8 {q4, q5}, [r5]! |
| vst1.8 {q12, q13}, [r6]! |
| vst1.8 {q6, q7}, [r5]! |
| vst1.8 {q14, q15}, [r6]! |
| |
| add r5, r5, lr |
| sub r5, r5, #128 |
| add r6, r6, lr |
| sub r6, r6, #128 |
| |
| bne top_bottom_32 |
| |
| sub r5, r1, r8 |
| add r6, r2, lr |
| |
| subs r12, r12, #1 |
| bne copy_top_bottom_y |
| |
| mov r7, lr, lsr #4 ;check to see if extra copy is needed |
| ands r7, r7, #0x7 |
| bne extra_top_bottom_y |
| end_of_border_copy_y |
| |
| ;Border copy for U, V planes |
| ldr r1, [r0, #yv12_buffer_config_u_buffer] ;srcptr1 |
| mov lr, lr, lsr #1 ;uv_stride |
| mov r3, r3, lsr #1 ;border |
| mov r4, r4, lsr #1 ;uv_height |
| mov r8, r8, lsr #2 |
| |
| mov r10, #2 |
| |
| ;copy the left and right most columns out |
| border_copy_uv |
| sub r5, r1, r3 ;destptr1 |
| add r6, r1, lr |
| sub r6, r6, r3, lsl #1 ;destptr2 |
| sub r2, r6, #1 ;srcptr2 |
| |
| mov r7, r1 |
| |
| ;Do eight rows at one time |
| mov r12, r4, lsr #3 |
| |
| copy_left_right_uv |
| vld1.8 {d0[], d1[]}, [r1], lr |
| vld1.8 {d2[], d3[]}, [r2], lr |
| vld1.8 {d4[], d5[]}, [r1], lr |
| vld1.8 {d6[], d7[]}, [r2], lr |
| vld1.8 {d8[], d9[]}, [r1], lr |
| vld1.8 {d10[], d11[]}, [r2], lr |
| vld1.8 {d12[], d13[]}, [r1], lr |
| vld1.8 {d14[], d15[]}, [r2], lr |
| vld1.8 {d16[], d17[]}, [r1], lr |
| vld1.8 {d18[], d19[]}, [r2], lr |
| vld1.8 {d20[], d21[]}, [r1], lr |
| vld1.8 {d22[], d23[]}, [r2], lr |
| vld1.8 {d24[], d25[]}, [r1], lr |
| vld1.8 {d26[], d27[]}, [r2], lr |
| vld1.8 {d28[], d29[]}, [r1], lr |
| vld1.8 {d30[], d31[]}, [r2], lr |
| |
| subs r12, r12, #1 |
| |
| vst1.8 {q0}, [r5], lr |
| vst1.8 {q1}, [r6], lr |
| vst1.8 {q2}, [r5], lr |
| vst1.8 {q3}, [r6], lr |
| vst1.8 {q4}, [r5], lr |
| vst1.8 {q5}, [r6], lr |
| vst1.8 {q6}, [r5], lr |
| vst1.8 {q7}, [r6], lr |
| vst1.8 {q8}, [r5], lr |
| vst1.8 {q9}, [r6], lr |
| vst1.8 {q10}, [r5], lr |
| vst1.8 {q11}, [r6], lr |
| vst1.8 {q12}, [r5], lr |
| vst1.8 {q13}, [r6], lr |
| vst1.8 {q14}, [r5], lr |
| vst1.8 {q15}, [r6], lr |
| |
| bne copy_left_right_uv |
| |
| ;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 |
| 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_16 |
| 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_16 |
| |
| sub r5, r1, r8 |
| add r6, r2, lr |
| |
| subs r12, r12, #1 |
| bne copy_top_bottom_uv |
| |
| mov r7, lr, lsr #3 ;check to see if extra copy is needed |
| ands r7, r7, #0x7 |
| bne extra_top_bottom_uv |
| |
| end_of_border_copy_uv |
| subs r10, r10, #1 |
| ldrne r1, [r0, #yv12_buffer_config_v_buffer] ;srcptr1 |
| bne border_copy_uv |
| |
| vpop {d8 - d15} |
| pop {r4 - r10, pc} |
| |
| ;;;;;;;;;;;;;;;;;;;;;; |
| ;extra copy part for Y |
| extra_top_bottom_y |
| vld1.8 {q0}, [r1]! |
| vld1.8 {q2}, [r2]! |
| |
| mov r9, r3, lsr #3 |
| |
| extra_top_bottom_32 |
| 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_32 |
| |
| sub r5, r1, r8 |
| add r6, r2, lr |
| subs r7, r7, #1 |
| bne extra_top_bottom_y |
| |
| b end_of_border_copy_y |
| |
| ;extra copy part for UV |
| extra_top_bottom_uv |
| vld1.8 {d0}, [r1]! |
| vld1.8 {d8}, [r2]! |
| |
| mov r9, r3, lsr #3 |
| |
| extra_top_bottom_16 |
| 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_16 |
| |
| sub r5, r1, r8 |
| add r6, r2, lr |
| subs r7, r7, #1 |
| bne extra_top_bottom_uv |
| |
| b end_of_border_copy_uv |
| |
| |
| ;======================= |
| b16_extend_frame_borders |
| ;border = 16 |
| ;======================= |
| ;Border copy for Y plane |
| ;copy the left and right most columns out |
| sub r5, r1, r3 ;destptr1 |
| add r6, r1, lr |
| sub r6, r6, r3, lsl #1 ;destptr2 |
| sub r2, r6, #1 ;srcptr2 |
| |
| ;Do four rows at one time |
| mov r12, r4, lsr #2 |
| |
| copy_left_right_y_b16 |
| vld1.8 {d0[], d1[]}, [r1], lr |
| vld1.8 {d4[], d5[]}, [r2], lr |
| vld1.8 {d8[], d9[]}, [r1], lr |
| vld1.8 {d12[], d13[]}, [r2], lr |
| vld1.8 {d16[], d17[]}, [r1], lr |
| vld1.8 {d20[], d21[]}, [r2], lr |
| vld1.8 {d24[], d25[]}, [r1], lr |
| vld1.8 {d28[], d29[]}, [r2], lr |
| |
| subs r12, r12, #1 |
| |
| vst1.8 {q0}, [r5], lr |
| vst1.8 {q2}, [r6], lr |
| vst1.8 {q4}, [r5], lr |
| vst1.8 {q6}, [r6], lr |
| vst1.8 {q8}, [r5], lr |
| vst1.8 {q10}, [r6], lr |
| vst1.8 {q12}, [r5], lr |
| vst1.8 {q14}, [r6], lr |
| |
| bne copy_left_right_y_b16 |
| |
| ;Now copy the top and bottom source lines into each line of the respective borders |
| ldr r7, [r0, #yv12_buffer_config_y_buffer] ;srcptr1 |
| mul r8, r3, lr |
| |
| mov r12, lr, lsr #7 |
| |
| sub r6, r1, r3 ;destptr2 |
| sub r2, r6, lr ;srcptr2 |
| sub r1, r7, r3 ;srcptr1 |
| sub r5, r1, r8 ;destptr1 |
| |
| copy_top_bottom_y_b16 |
| vld1.8 {q0, q1}, [r1]! |
| vld1.8 {q8, q9}, [r2]! |
| vld1.8 {q2, q3}, [r1]! |
| vld1.8 {q10, q11}, [r2]! |
| vld1.8 {q4, q5}, [r1]! |
| vld1.8 {q12, q13}, [r2]! |
| vld1.8 {q6, q7}, [r1]! |
| vld1.8 {q14, q15}, [r2]! |
| |
| mov r7, r3 |
| |
| top_bottom_16_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]! |
| vst1.8 {q4, q5}, [r5]! |
| vst1.8 {q12, q13}, [r6]! |
| vst1.8 {q6, q7}, [r5]! |
| vst1.8 {q14, q15}, [r6]! |
| |
| add r5, r5, lr |
| sub r5, r5, #128 |
| add r6, r6, lr |
| sub r6, r6, #128 |
| |
| bne top_bottom_16_b16 |
| |
| sub r5, r1, r8 |
| add r6, r2, lr |
| |
| subs r12, r12, #1 |
| bne copy_top_bottom_y_b16 |
| |
| mov r7, lr, lsr #4 ;check to see if extra copy is needed |
| ands r7, r7, #0x7 |
| bne extra_top_bottom_y_b16 |
| end_of_border_copy_y_b16 |
| |
| ;Border copy for U, V planes |
| ldr r1, [r0, #yv12_buffer_config_u_buffer] ;srcptr1 |
| mov lr, lr, lsr #1 ;uv_stride |
| mov r3, r3, lsr #1 ;border |
| mov r4, r4, lsr #1 ;uv_height |
| mov r8, r8, lsr #2 |
| |
| mov r10, #2 |
| |
| ;copy the left and right most columns out |
| border_copy_uv_b16 |
| sub r5, r1, r3 ;destptr1 |
| add r6, r1, lr |
| sub r6, r6, r3, lsl #1 ;destptr2 |
| sub r2, r6, #1 ;srcptr2 |
| |
| mov r7, r1 |
| |
| ;Do eight rows at one time |
| mov r12, r4, lsr #3 |
| |
| copy_left_right_uv_b16 |
| vld1.8 {d0[]}, [r1], lr |
| vld1.8 {d2[]}, [r2], lr |
| vld1.8 {d4[]}, [r1], lr |
| vld1.8 {d6[]}, [r2], lr |
| vld1.8 {d8[]}, [r1], lr |
| vld1.8 {d10[]}, [r2], lr |
| vld1.8 {d12[]}, [r1], lr |
| vld1.8 {d14[]}, [r2], lr |
| vld1.8 {d16[]}, [r1], lr |
| vld1.8 {d18[]}, [r2], lr |
| vld1.8 {d20[]}, [r1], lr |
| vld1.8 {d22[]}, [r2], lr |
| vld1.8 {d24[]}, [r1], lr |
| 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 |
