Index: source/libvpx/vpx_scale/arm/neon/vp8_vpxyv12_copysrcframe_func_neon.asm |
=================================================================== |
--- source/libvpx/vpx_scale/arm/neon/vp8_vpxyv12_copysrcframe_func_neon.asm (revision 290053) |
+++ source/libvpx/vpx_scale/arm/neon/vp8_vpxyv12_copysrcframe_func_neon.asm (working copy) |
@@ -1,259 +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_src_frame_func_neon| |
- ARM |
- REQUIRE8 |
- PRESERVE8 |
- |
- INCLUDE vpx_scale_asm_offsets.asm |
- |
- AREA ||.text||, CODE, READONLY, ALIGN=2 |
-;Note: This function is used to copy source data in src_buffer[i] at beginning |
-;of the encoding. The buffer has a width and height of cpi->oxcf.Width and |
-;cpi->oxcf.Height, which can be ANY numbers(NOT always multiples of 16 or 4). |
- |
-;void vp8_yv12_copy_src_frame_func_neon(const YV12_BUFFER_CONFIG *src_ybc, |
-; YV12_BUFFER_CONFIG *dst_ybc); |
- |
-|vp8_yv12_copy_src_frame_func_neon| PROC |
- push {r4 - r11, lr} |
- vpush {d8 - d15} |
- |
- ;Copy Y plane |
- 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 |
- |
- add r10, r2, r6 ;second row src |
- add r11, r3, r7 ;second row dst |
- mov r6, r6, lsl #1 |
- mov r7, r7, lsl #1 |
- sub r6, r6, r5 ;adjust stride |
- sub r7, r7, r5 |
- |
- ; copy two rows at one time |
- mov lr, r4, lsr #1 |
- |
-cp_src_to_dst_height_loop |
- mov r12, r5 |
- |
-cp_width_128_loop |
- vld1.8 {q0, q1}, [r2]! |
- vld1.8 {q4, q5}, [r10]! |
- vld1.8 {q2, q3}, [r2]! |
- vld1.8 {q6, q7}, [r10]! |
- vld1.8 {q8, q9}, [r2]! |
- vld1.8 {q12, q13}, [r10]! |
- vld1.8 {q10, q11}, [r2]! |
- vld1.8 {q14, q15}, [r10]! |
- sub r12, r12, #128 |
- cmp r12, #128 |
- vst1.8 {q0, q1}, [r3]! |
- vst1.8 {q4, q5}, [r11]! |
- vst1.8 {q2, q3}, [r3]! |
- vst1.8 {q6, q7}, [r11]! |
- vst1.8 {q8, q9}, [r3]! |
- vst1.8 {q12, q13}, [r11]! |
- vst1.8 {q10, q11}, [r3]! |
- vst1.8 {q14, q15}, [r11]! |
- bhs cp_width_128_loop |
- |
- cmp r12, #0 |
- beq cp_width_done |
- |
-cp_width_8_loop |
- vld1.8 {d0}, [r2]! |
- vld1.8 {d1}, [r10]! |
- sub r12, r12, #8 |
- cmp r12, #8 |
- vst1.8 {d0}, [r3]! |
- vst1.8 {d1}, [r11]! |
- bhs cp_width_8_loop |
- |
- cmp r12, #0 |
- beq cp_width_done |
- |
-cp_width_1_loop |
- ldrb r8, [r2], #1 |
- subs r12, r12, #1 |
- strb r8, [r3], #1 |
- ldrb r8, [r10], #1 |
- strb r8, [r11], #1 |
- bne cp_width_1_loop |
- |
-cp_width_done |
- subs lr, lr, #1 |
- add r2, r2, r6 |
- add r3, r3, r7 |
- add r10, r10, r6 |
- add r11, r11, r7 |
- bne cp_src_to_dst_height_loop |
- |
-;copy last line for Y if y_height is odd |
- tst r4, #1 |
- beq cp_width_done_1 |
- mov r12, r5 |
- |
-cp_width_128_loop_1 |
- vld1.8 {q0, q1}, [r2]! |
- vld1.8 {q2, q3}, [r2]! |
- vld1.8 {q8, q9}, [r2]! |
- vld1.8 {q10, q11}, [r2]! |
- sub r12, r12, #128 |
- cmp r12, #128 |
- vst1.8 {q0, q1}, [r3]! |
- vst1.8 {q2, q3}, [r3]! |
- vst1.8 {q8, q9}, [r3]! |
- vst1.8 {q10, q11}, [r3]! |
- bhs cp_width_128_loop_1 |
- |
- cmp r12, #0 |
- beq cp_width_done_1 |
- |
-cp_width_8_loop_1 |
- vld1.8 {d0}, [r2]! |
- sub r12, r12, #8 |
- cmp r12, #8 |
- vst1.8 {d0}, [r3]! |
- bhs cp_width_8_loop_1 |
- |
- cmp r12, #0 |
- beq cp_width_done_1 |
- |
-cp_width_1_loop_1 |
- ldrb r8, [r2], #1 |
- subs r12, r12, #1 |
- strb r8, [r3], #1 |
- bne cp_width_1_loop_1 |
-cp_width_done_1 |
- |
-;Copy U & V planes |
- ldr r4, [r0, #yv12_buffer_config_uv_height] |
- ldr r5, [r0, #yv12_buffer_config_uv_width] |
- ldr r6, [r0, #yv12_buffer_config_uv_stride] |
- ldr r7, [r1, #yv12_buffer_config_uv_stride] |
- ldr r2, [r0, #yv12_buffer_config_u_buffer] ;srcptr1 |
- ldr r3, [r1, #yv12_buffer_config_u_buffer] ;dstptr1 |
- |
- add r10, r2, r6 ;second row src |
- add r11, r3, r7 ;second row dst |
- mov r6, r6, lsl #1 |
- mov r7, r7, lsl #1 |
- sub r6, r6, r5 ;adjust stride |
- sub r7, r7, r5 |
- |
- mov r9, #2 |
- |
-cp_uv_loop |
- ;copy two rows at one time |
- mov lr, r4, lsr #1 |
- |
-cp_src_to_dst_height_uv_loop |
- mov r12, r5 |
- |
-cp_width_uv_64_loop |
- vld1.8 {q0, q1}, [r2]! |
- vld1.8 {q4, q5}, [r10]! |
- vld1.8 {q2, q3}, [r2]! |
- vld1.8 {q6, q7}, [r10]! |
- sub r12, r12, #64 |
- cmp r12, #64 |
- vst1.8 {q0, q1}, [r3]! |
- vst1.8 {q4, q5}, [r11]! |
- vst1.8 {q2, q3}, [r3]! |
- vst1.8 {q6, q7}, [r11]! |
- bhs cp_width_uv_64_loop |
- |
- cmp r12, #0 |
- beq cp_width_uv_done |
- |
-cp_width_uv_8_loop |
- vld1.8 {d0}, [r2]! |
- vld1.8 {d1}, [r10]! |
- sub r12, r12, #8 |
- cmp r12, #8 |
- vst1.8 {d0}, [r3]! |
- vst1.8 {d1}, [r11]! |
- bhs cp_width_uv_8_loop |
- |
- cmp r12, #0 |
- beq cp_width_uv_done |
- |
-cp_width_uv_1_loop |
- ldrb r8, [r2], #1 |
- subs r12, r12, #1 |
- strb r8, [r3], #1 |
- ldrb r8, [r10], #1 |
- strb r8, [r11], #1 |
- bne cp_width_uv_1_loop |
- |
-cp_width_uv_done |
- subs lr, lr, #1 |
- add r2, r2, r6 |
- add r3, r3, r7 |
- add r10, r10, r6 |
- add r11, r11, r7 |
- bne cp_src_to_dst_height_uv_loop |
- |
-;copy last line for U & V if uv_height is odd |
- tst r4, #1 |
- beq cp_width_uv_done_1 |
- mov r12, r5 |
- |
-cp_width_uv_64_loop_1 |
- vld1.8 {q0, q1}, [r2]! |
- vld1.8 {q2, q3}, [r2]! |
- sub r12, r12, #64 |
- cmp r12, #64 |
- vst1.8 {q0, q1}, [r3]! |
- vst1.8 {q2, q3}, [r3]! |
- bhs cp_width_uv_64_loop_1 |
- |
- cmp r12, #0 |
- beq cp_width_uv_done_1 |
- |
-cp_width_uv_8_loop_1 |
- vld1.8 {d0}, [r2]! |
- sub r12, r12, #8 |
- cmp r12, #8 |
- vst1.8 {d0}, [r3]! |
- bhs cp_width_uv_8_loop_1 |
- |
- cmp r12, #0 |
- beq cp_width_uv_done_1 |
- |
-cp_width_uv_1_loop_1 |
- ldrb r8, [r2], #1 |
- subs r12, r12, #1 |
- strb r8, [r3], #1 |
- bne cp_width_uv_1_loop_1 |
-cp_width_uv_done_1 |
- |
- subs r9, r9, #1 |
- ldrne r2, [r0, #yv12_buffer_config_v_buffer] ;srcptr1 |
- ldrne r3, [r1, #yv12_buffer_config_v_buffer] ;dstptr1 |
- ldrne r10, [r0, #yv12_buffer_config_uv_stride] |
- ldrne r11, [r1, #yv12_buffer_config_uv_stride] |
- |
- addne r10, r2, r10 ;second row src |
- addne r11, r3, r11 ;second row dst |
- |
- bne cp_uv_loop |
- |
- vpop {d8 - d15} |
- pop {r4 - r11, pc} |
- |
- ENDP |
- END |