update extend frame borders
the neon code made several assumptions which were broken by a recent change: https://review.webmproject.org/2676 update the code with new assumptions and guard them with a compile time assert Change-Id: I32a8378030759966068f34618d7b4b1b02e101a0
This commit is contained in:
Johann
parent
27ee521753
commit
30e5deae5d
@ -9,6 +9,8 @@
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*/
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#include "vpx_config.h"
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#include "vpx/vpx_codec.h"
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#include "vpx_ports/asm_offsets.h"
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#include "vpx_scale/yv12config.h"
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@ -25,8 +27,14 @@ DEFINE(yv12_buffer_config_y_buffer, offsetof(YV12_BUFFER_CONFIG, y_b
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DEFINE(yv12_buffer_config_u_buffer, offsetof(YV12_BUFFER_CONFIG, u_buffer));
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DEFINE(yv12_buffer_config_v_buffer, offsetof(YV12_BUFFER_CONFIG, v_buffer));
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DEFINE(yv12_buffer_config_border, offsetof(YV12_BUFFER_CONFIG, border));
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DEFINE(VP8BORDERINPIXELS_VAL, VP8BORDERINPIXELS);
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END
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/* add asserts for any offset that is not supported by assembly code */
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/* add asserts for any size that is not supported by assembly code */
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#if HAVE_ARMV7
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/* vp8_yv12_extend_frame_borders_neon makes several assumptions based on this */
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ct_assert(VP8BORDERINPIXELS_VAL, VP8BORDERINPIXELS == 32)
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#endif
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@ -18,42 +18,32 @@
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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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; we depend on VP8BORDERINPIXELS being 32
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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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; Border = 32
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ldr r3, [r0, #yv12_buffer_config_y_width] ; plane_width
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ldr r1, [r0, #yv12_buffer_config_y_buffer] ; src_ptr1
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ldr r4, [r0, #yv12_buffer_config_y_height] ; plane_height
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ldr lr, [r0, #yv12_buffer_config_y_stride] ; plane_stride
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cmp r3, #16
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beq b16_extend_frame_borders
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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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add r6, r1, r3 ; dest_ptr2 = src_ptr2 + 1 (src_ptr1 + plane_width)
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sub r2, r6, #1 ; src_ptr2 = src_ptr1 + plane_width - 1
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sub r5, r1, #32 ; dest_ptr1 = src_ptr1 - Border
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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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mov r12, r4, lsr #2 ; plane_height / 4
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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 {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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@ -81,15 +71,16 @@ copy_left_right_y
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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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ldr r1, [r0, #yv12_buffer_config_y_buffer] ; y_buffer
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mul r8, r4, lr ; plane_height * plane_stride
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mov r12, lr, lsr #7
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; copy width is plane_stride
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mov r12, lr, lsr #7 ; plane_stride / 128
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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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sub r1, r1, #32 ; src_ptr1 = y_buffer - Border
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add r6, r1, r8 ; dest_ptr2 = src_ptr2 - plane_stride (src_ptr1 + (plane_height * plane_stride))
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sub r2, r6, lr ; src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride
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sub r5, r1, lr, asl #5 ; dest_ptr1 = src_ptr1 - (Border * plane_stride)
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copy_top_bottom_y
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vld1.8 {q0, q1}, [r1]!
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@ -101,7 +92,7 @@ copy_top_bottom_y
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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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mov r7, #32 ; Border
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top_bottom_32
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subs r7, r7, #1
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@ -115,44 +106,41 @@ top_bottom_32
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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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add r5, r5, lr ; dest_ptr1 += plane_stride
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sub r5, r5, #128 ; dest_ptr1 -= 128
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add r6, r6, lr ; dest_ptr2 += plane_stride
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sub r6, r6, #128 ; dest_ptr2 -= 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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sub r5, r1, lr, asl #5 ; src_ptr1 - (Border* plane_stride)
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add r6, r2, lr ; src_ptr2 + plane_stride
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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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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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; Border = 16
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ldr r7, [r0, #yv12_buffer_config_u_buffer] ; src_ptr1
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ldr lr, [r0, #yv12_buffer_config_uv_stride] ; plane_stride
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ldr r3, [r0, #yv12_buffer_config_uv_width] ; plane_width
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ldr r4, [r0, #yv12_buffer_config_uv_height] ; plane_height
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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 r1, r7 ; src_ptr1 needs to be saved for second half of loop
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sub r5, r1, #16 ; dest_ptr1 = src_ptr1 - Border
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add r6, r1, r3 ; dest_ptr2 = src_ptr2 + 1 (src_ptr1 + plane_width)
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sub r2, r6, #1 ; src_ptr2 = src_ptr1 + plane_width - 1
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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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mov r12, r4, lsr #3 ; plane_height / 8
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copy_left_right_uv
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vld1.8 {d0[], d1[]}, [r1], lr
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@ -167,7 +155,7 @@ copy_left_right_uv
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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 {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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@ -194,12 +182,14 @@ copy_left_right_uv
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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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mov r1, r7
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mul r8, r4, lr ; plane_height * plane_stride
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mov r12, lr, lsr #6 ; plane_stride / 64
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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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sub r1, r1, #16 ; src_ptr1 = u_buffer - Border
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add r6, r1, r8 ; dest_ptr2 = src_ptr2 + plane_stride (src_ptr1 + (plane_height * plane_stride)
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sub r2, r6, lr ; src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride
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sub r5, r1, lr, asl #4 ; dest_ptr1 = src_ptr1 - (Border * plane_stride)
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copy_top_bottom_uv
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vld1.8 {q0, q1}, [r1]!
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@ -207,7 +197,7 @@ copy_top_bottom_uv
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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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mov r7, #16 ; Border
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top_bottom_16
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subs r7, r7, #1
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@ -217,38 +207,37 @@ top_bottom_16
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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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add r5, r5, lr ; dest_ptr1 += plane_stride
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sub r5, r5, #64
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add r6, r6, lr
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add r6, r6, lr ; dest_ptr2 += plane_stride
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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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sub r5, r1, lr, asl #4 ; dest_ptr1 = src_ptr1 - (Border * plane_stride)
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add r6, r2, lr ; dest_ptr2 = src_ptr2 + plane_stride
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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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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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ldrne r7, [r0, #yv12_buffer_config_v_buffer] ; src_ptr1
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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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mov r9, #4 ; 32 >> 3
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extra_top_bottom_32
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subs r9, r9, #1
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@ -271,19 +260,18 @@ extra_top_bottom_32
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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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sub r5, r1, lr, asl #5 ; src_ptr1 - (Border * plane_stride)
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add r6, r2, lr ; src_ptr2 + plane_stride
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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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mov r9, #2 ; 16 >> 3
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extra_top_bottom_16
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subs r9, r9, #1
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@ -306,283 +294,12 @@ extra_top_bottom_16
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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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sub r5, r1, lr, asl #4 ; src_ptr1 - (Border * plane_stride)
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add r6, r2, lr ; src_ptr2 + plane_stride
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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
|
||||
|
||||
;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
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user