| Index: source/libvpx/vpx_scale/arm/neon/vp8_vpxyv12_copyframe_func_neon.asm
|
| ===================================================================
|
| --- source/libvpx/vpx_scale/arm/neon/vp8_vpxyv12_copyframe_func_neon.asm (revision 290053)
|
| +++ source/libvpx/vpx_scale/arm/neon/vp8_vpxyv12_copyframe_func_neon.asm (working copy)
|
| @@ -1,233 +0,0 @@
|
| -;
|
| -; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
|
| -;
|
| -; Use of this source code is governed by a BSD-style license
|
| -; that can be found in the LICENSE file in the root of the source
|
| -; tree. An additional intellectual property rights grant can be found
|
| -; in the file PATENTS. All contributing project authors may
|
| -; be found in the AUTHORS file in the root of the source tree.
|
| -;
|
| -
|
| -
|
| - EXPORT |vp8_yv12_copy_frame_func_neon|
|
| - ARM
|
| - REQUIRE8
|
| - PRESERVE8
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| -
|
| - INCLUDE vpx_scale_asm_offsets.asm
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| -
|
| - AREA ||.text||, CODE, READONLY, ALIGN=2
|
| -
|
| -;void vp8_yv12_copy_frame_func_neon(const YV12_BUFFER_CONFIG *src_ybc,
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| -; YV12_BUFFER_CONFIG *dst_ybc);
|
| -
|
| -|vp8_yv12_copy_frame_func_neon| PROC
|
| - push {r4 - r11, lr}
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| - vpush {d8 - d15}
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| -
|
| - sub sp, sp, #16
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| -
|
| - ;Copy Y plane
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| - ldr r8, [r0, #yv12_buffer_config_u_buffer] ;srcptr1
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| - ldr r9, [r1, #yv12_buffer_config_u_buffer] ;srcptr1
|
| - ldr r10, [r0, #yv12_buffer_config_v_buffer] ;srcptr1
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| - ldr r11, [r1, #yv12_buffer_config_v_buffer] ;srcptr1
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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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| -
|
| - str r8, [sp]
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| - str r9, [sp, #4]
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| - str r10, [sp, #8]
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| - str r11, [sp, #12]
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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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| - movs r12, r5, lsr #7
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| - ble extra_cp_needed ; y_width < 128
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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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| -
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| -extra_cp_needed
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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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| -
|
| -;Copy U & V planes
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| - ldr r2, [sp] ;srcptr1
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| - ldr r3, [sp, #4] ;dstptr1
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| - mov r4, r4, lsr #1 ;src uv_height
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| - mov r5, r5, lsr #1 ;src uv_width
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| - mov r6, r6, lsr #1 ;src uv_stride
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| - mov r7, r7, lsr #1 ;dst uv_stride
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| -
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| - mov r1, #2
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| -
|
| -cp_uv_loop
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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_uv_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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| - movs r12, r5, lsr #6
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| - ble extra_uv_cp_needed
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| -
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| -cp_src_to_dst_width_uv_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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| -
|
| - 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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| -
|
| - bne cp_src_to_dst_width_uv_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_uv_loop
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| -
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| -extra_uv_cp_needed
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| - ands r10, r5, #0x3f ;check to see if extra copy is needed
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| - sub r11, r5, r10
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| - ldr r2, [sp] ;srcptr1
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| - ldr r3, [sp, #4] ;dstptr1
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| - bne extra_cp_src_to_dst_uv_width
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| -end_of_cp_src_to_dst_uv
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| -
|
| - subs r1, r1, #1
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| -
|
| - addne sp, sp, #8
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| -
|
| - ldrne r2, [sp] ;srcptr1
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| - ldrne r3, [sp, #4] ;dstptr1
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| -
|
| - bne cp_uv_loop
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| -
|
| - add sp, sp, #8
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| -
|
| - vpop {d8 - d15}
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| - pop {r4 - r11, pc}
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| -
|
| -;=============================
|
| -extra_cp_src_to_dst_width
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| - add r2, r2, r11
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| - add r3, r3, r11
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| - add r0, r8, r6
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| - add r11, r9, r7
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| -
|
| - mov lr, r4, lsr #1
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| -extra_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 r0, r8, r6
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| - add r11, r9, r7
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| -
|
| - mov r12, r10
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| -
|
| -extra_cp_src_to_dst_width_loop
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| - vld1.8 {q0}, [r8]!
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| - vld1.8 {q1}, [r0]!
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| -
|
| - subs r12, r12, #16
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| -
|
| - vst1.8 {q0}, [r9]!
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| - vst1.8 {q1}, [r11]!
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| - bne extra_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 extra_cp_src_to_dst_height_loop
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| -
|
| - b end_of_cp_src_to_dst
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| -
|
| -;=================================
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| -extra_cp_src_to_dst_uv_width
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| - add r2, r2, r11
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| - add r3, r3, r11
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| - add r0, r8, r6
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| - add r11, r9, r7
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| -
|
| - mov lr, r4, lsr #1
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| -extra_cp_src_to_dst_height_uv_loop
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| - mov r8, r2
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| - mov r9, r3
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| - add r0, r8, r6
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| - add r11, r9, r7
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| -
|
| - mov r12, r10
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| -
|
| -extra_cp_src_to_dst_width_uv_loop
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| - vld1.8 {d0}, [r8]!
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| - vld1.8 {d1}, [r0]!
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| -
|
| - subs r12, r12, #8
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| -
|
| - vst1.8 {d0}, [r9]!
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| - vst1.8 {d1}, [r11]!
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| - bne extra_cp_src_to_dst_width_uv_loop
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| -
|
| - subs lr, lr, #1
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| -
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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 extra_cp_src_to_dst_height_uv_loop
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| -
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| - b end_of_cp_src_to_dst_uv
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| -
|
| - ENDP
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| - END
|
|
|
Chromium Code Reviews
Issue 478033002:
libvpx: Pull from upstream (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/