ref: 34168287ede09b9e4f30c40265d3d2662527bbb4
parent: 28aa08748e703fe3f5da025958e608e5372f608e
author: Fritz Koenig <frkoenig@google.com>
date: Mon Jan 9 06:42:30 EST 2012
Remove armv4 optimized scaler code. Code was from a time when the compiler was not good at optimizing. Compilers are better and instruction sets have increased to make this code obsolete. Change-Id: I8d261371685247465eb4aa00bdcecc9fe1784219
--- a/vpx_scale/arm/armv4/gen_scalers_armv4.asm
+++ /dev/null
@@ -1,774 +1,0 @@
-;
-; 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 |horizontal_line_4_5_scale_armv4|
- EXPORT |vertical_band_4_5_scale_armv4|
- EXPORT |horizontal_line_2_3_scale_armv4|
- EXPORT |vertical_band_2_3_scale_armv4|
- EXPORT |horizontal_line_3_5_scale_armv4|
- EXPORT |vertical_band_3_5_scale_armv4|
- EXPORT |horizontal_line_3_4_scale_armv4|
- EXPORT |vertical_band_3_4_scale_armv4|
- EXPORT |horizontal_line_1_2_scale_armv4|
- EXPORT |vertical_band_1_2_scale_armv4|
-
- AREA |.text|, CODE, READONLY ; name this block of code
-
-src RN r0
-srcw RN r1
-dest RN r2
-mask RN r12
-c51_205 RN r10
-c102_154 RN r11
-;/****************************************************************************
-; *
-; * ROUTINE : horizontal_line_4_5_scale_armv4
-; *
-; * INPUTS : const unsigned char *source : Pointer to source data.
-; * unsigned int source_width : Stride of source.
-; * unsigned char *dest : Pointer to destination data.
-; * unsigned int dest_width : Stride of destination (NOT USED).
-; *
-; * OUTPUTS : None.
-; *
-; * RETURNS : void
-; *
-; * FUNCTION : Copies horizontal line of pixels from source to
-; * destination scaling up by 4 to 5.
-; *
-; * SPECIAL NOTES : None.
-; *
-; ****************************************************************************/
-;void horizontal_line_4_5_scale_armv4
-;(
-; r0 = UINT8 *source
-; r1 = UINT32 source_width
-; r2 = UINT8 *dest
-; r3 = UINT32 dest_width
-;)
-|horizontal_line_4_5_scale_armv4| PROC
- stmdb sp!, {r4 - r11, lr}-
- mov mask, #255 ; mask for selection
- ldr c51_205, =0x3300cd
- ldr c102_154, =0x66009a
-
- ldr r3, [src], #4
-
-hl45_loop
-
- and r4, r3, mask ; a = src[0]
- and r5, mask, r3, lsr #8 ; b = src[1]
- strb r4, [dest], #1
-
- orr r6, r4, r5, lsl #16 ; b | a
- and r7, mask, r3, lsr #16 ; c = src[2]
- mul r6, c51_205, r6 ; a * 51 + 205 * b
-
- orr r5, r5, r7, lsl #16 ; c | b
- mul r5, c102_154, r5 ; b * 102 + 154 * c
- add r6, r6, #0x8000
- and r8, mask, r3, lsr #24 ; d = src[3]
- mov r6, r6, lsr #24
- strb r6, [dest], #1
-
- orr r7, r8, r7, lsl #16 ; c | d
- mul r7, c102_154, r7 ; c * 154 + 102 * d
- add r5, r5, #0x8000
- ldr r3, [src], #4
- mov r5, r5, lsr #24
- strb r5, [dest], #1
-
- add r7, r7, #0x8000
- and r9, mask, r3 ; e = src[4]
- orr r9, r9, r8, lsl #16 ; d | e
- mul r9, c51_205, r9 ; d * 205 + 51 * e
- mov r7, r7, lsr #24
- strb r7, [dest], #1
-
- add r9, r9, #0x8000
- subs srcw, srcw, #4
- mov r9, r9, lsr #24
- strb r9, [dest], #1
-
- bne hl45_loop
-
- and r4, r3, mask
- and r5, mask, r3, lsl #8
- strb r4, [dest], #1
-
- orr r6, r4, r5, lsl #16 ; b | a
- mul r6, c51_205, r6
-
- and r7, mask, r3, lsl #16
- orr r5, r5, r7, lsl #16 ; c | b
- mul r5, c102_154, r5
- add r6, r6, #0x8000
- and r8, mask, r3, lsl #24
- mov r6, r6, lsr #24
- strb r6, [dest], #1
-
- orr r7, r8, r7, lsl #16 ; c | d
- mul r7, c102_154, r7
- add r5, r5, #0x8000
- mov r5, r5, lsr #24
- strb r5, [dest], #1
-
- add r7, r7, #0x8000
- mov r7, r7, lsr #24
- strb r7, [dest], #1
-
- ldrb r3, [src]
- strb r3, [dest], #1
-
- ldmia sp!, {r4 - r11, pc}- ENDP ;|vp8cx_horizontal_line_4_5_scale_c|
-
-;/****************************************************************************
-; *
-; * ROUTINE : vertical_band_4_5_scale_armv4
-; *
-; * INPUTS : unsigned char *dest : Pointer to destination data.
-; * unsigned int dest_pitch : Stride of destination data.
-; * unsigned int dest_width : Width of destination data.
-; *
-; * OUTPUTS : None.
-; *
-; * RETURNS : void
-; *
-; * FUNCTION : Scales vertical band of pixels by scale 4 to 5. The
-; * height of the band scaled is 4-pixels.
-; *
-; * SPECIAL NOTES : The routine uses the first line of the band below
-; * the current band.
-; *
-; ****************************************************************************/
-;void vertical_band_4_5_scale_armv4
-;(
-; r0 = UINT8 *dest
-; r1 = UINT32 dest_pitch
-; r2 = UINT32 dest_width
-;)
-|vertical_band_4_5_scale_armv4| PROC
- stmdb sp!, {r4 - r11, lr}-
- ldr c51_205, =0x3300cd
- ldr c102_154, =0x66009a
-
-vl45_loop
- mov r3, src
- ldrb r4, [r3], r1 ; a = des [0]
- ldrb r5, [r3], r1 ; b = des [dest_pitch]
- ldrb r7, [r3], r1 ; c = des[dest_pitch*2]
- add lr, src, r1
-
- orr r6, r4, r5, lsl #16 ; b | a
- mul r6, c51_205, r6 ; a * 51 + 205 * b
-
- ldrb r8, [r3], r1 ; d = des[dest_pitch*3]
- orr r5, r5, r7, lsl #16 ; c | b
- mul r5, c102_154, r5 ; b * 102 + 154 * c
- add r6, r6, #0x8000
- orr r7, r8, r7, lsl #16 ; c | d
- mov r6, r6, lsr #24
- strb r6, [lr], r1
-
- ldrb r9, [r3, r1] ; e = des [dest_pitch * 5]
- mul r7, c102_154, r7 ; c * 154 + 102 * d
- add r5, r5, #0x8000
- orr r9, r9, r8, lsl #16 ; d | e
- mov r5, r5, lsr #24
- strb r5, [lr], r1
-
- mul r9, c51_205, r9 ; d * 205 + 51 * e
- add r7, r7, #0x8000
- add src, src, #1
- mov r7, r7, lsr #24
- strb r7, [lr], r1
-
- add r9, r9, #0x8000
- subs r2, r2, #1
- mov r9, r9, lsr #24
- strb r9, [lr], r1
-
- bne vl45_loop
-
- ldmia sp!, {r4 - r11, pc}- ENDP ;|vertical_band_4_5_scale_armv4|
-
-;/****************************************************************************
-; *
-; * ROUTINE : horizontal_line_2_3_scale_armv4
-; *
-; * INPUTS : const unsigned char *source : Pointer to source data.
-; * unsigned int source_width : Stride of source.
-; * unsigned char *dest : Pointer to destination data.
-; * unsigned int dest_width : Stride of destination (NOT USED).
-; *
-; * OUTPUTS : None.
-; *
-; * RETURNS : void
-; *
-; * FUNCTION : Copies horizontal line of pixels from source to
-; * destination scaling up by 2 to 3.
-; *
-; * SPECIAL NOTES : None.
-; *
-; *
-; ****************************************************************************/
-;void horizontal_line_2_3_scale_armv4
-;(
-; const unsigned char *source,
-; unsigned int source_width,
-; unsigned char *dest,
-; unsigned int dest_width
-;)
-|horizontal_line_2_3_scale_armv4| PROC
- stmdb sp!, {r4 - r11, lr}- ldr lr, =85
- ldr r12, =171
-
-hl23_loop
-
- ldrb r3, [src], #1 ; a
- ldrb r4, [src], #1 ; b
- ldrb r5, [src] ; c
-
- strb r3, [dest], #1
- mul r4, r12, r4 ; b * 171
- mla r6, lr, r3, r4 ; a * 85
- mla r7, lr, r5, r4 ; c * 85
-
- add r6, r6, #128
- mov r6, r6, lsr #8
- strb r6, [dest], #1
-
- add r7, r7, #128
- mov r7, r7, lsr #8
- strb r7, [dest], #1
-
- subs srcw, srcw, #2
- bne hl23_loop
-
- ldrb r4, [src, #1] ; b
- strb r5, [dest], #1
- strb r4, [dest, #1]
-
- mul r4, r12, r4 ; b * 171
- mla r6, lr, r5, r4 ; a * 85 + b *171
-
- add r6, r6, #128
- mov r6, r6, lsr #8
- strb r6, [dest]
-
- ldmia sp!, {r4 - r11, pc}- ENDP ;|horizontal_line_2_3_scale_armv4|
-
-;/****************************************************************************
-; *
-; * ROUTINE : vertical_band_2_3_scale_armv4
-; *
-; * INPUTS : unsigned char *dest : Pointer to destination data.
-; * unsigned int dest_pitch : Stride of destination data.
-; * unsigned int dest_width : Width of destination data.
-; *
-; * OUTPUTS : None.
-; *
-; * RETURNS : void
-; *
-; * FUNCTION : Scales vertical band of pixels by scale 2 to 3. The
-; * height of the band scaled is 2-pixels.
-; *
-; * SPECIAL NOTES : The routine uses the first line of the band below
-; * the current band.
-; *
-; ****************************************************************************/
-;void vertical_band_2_3_scale_armv4
-;(
-; r0 = UINT8 *dest
-; r1 = UINT32 dest_pitch
-; r2 = UINT32 dest_width
-;)
-|vertical_band_2_3_scale_armv4| PROC
- stmdb sp!, {r4 - r8, lr}- ldr lr, =85
- ldr r12, =171
- add r3, r1, r1, lsl #1 ; 3 * dest_pitch
-
-vl23_loop
- ldrb r4, [src] ; a = des [0]
- ldrb r5, [src, r1] ; b = des [dest_pitch]
- ldrb r7, [src, r3] ; c = des [dest_pitch*3]
- subs r2, r2, #1
-
- mul r5, r12, r5 ; b * 171
- mla r6, lr, r4, r5 ; a * 85
- mla r8, lr, r7, r5 ; c * 85
-
- add r6, r6, #128
- mov r6, r6, lsr #8
- strb r6, [src, r1]
-
- add r8, r8, #128
- mov r8, r8, lsr #8
- strb r8, [src, r1, lsl #1]
-
- add src, src, #1
-
- bne vl23_loop
-
- ldmia sp!, {r4 - r8, pc}- ENDP ;|vertical_band_2_3_scale_armv4|
-
-;/****************************************************************************
-; *
-; * ROUTINE : vp8cx_horizontal_line_3_5_scale_c
-; *
-; * INPUTS : const unsigned char *source : Pointer to source data.
-; * unsigned int source_width : Stride of source.
-; * unsigned char *dest : Pointer to destination data.
-; * unsigned int dest_width : Stride of destination (NOT USED).
-; *
-; * OUTPUTS : None.
-; *
-; * RETURNS : void
-; *
-; * FUNCTION : Copies horizontal line of pixels from source to
-; * destination scaling up by 3 to 5.
-; *
-; * SPECIAL NOTES : None.
-; *
-; *
-; ****************************************************************************/
-;void vp8cx_horizontal_line_3_5_scale_c
-;(
-; const unsigned char *source,
-; unsigned int source_width,
-; unsigned char *dest,
-; unsigned int dest_width
-;)
-|horizontal_line_3_5_scale_armv4| PROC
- stmdb sp!, {r4 - r11, lr}-
- ldr c51_205, =0x3300cd
- ldr c102_154, =0x66009a
-
- ldrb r4, [src], #1 ; a = src[0]
-
-hl35_loop
-
- ldrb r8, [src], #1 ; b = src[1]
- strb r4, [dest], #1
-
- orr r6, r4, r8, lsl #16 ; b | a
- ldrb r9, [src], #1 ; c = src[2]
- mul r6, c102_154, r6 ; a * 102 + 154 * b
-
- orr r5, r9, r8, lsl #16 ; b | c
- mul r5, c51_205, r5 ; b * 205 + 51 * c
- add r6, r6, #0x8000
- ldrb r4, [src], #1 ; d = src[3]
- mov r6, r6, lsr #24
- strb r6, [dest], #1
-
- orr r7, r8, r9, lsl #16 ; c | b
- mul r7, c51_205, r7 ; c * 205 + 154 * b
- add r5, r5, #0x8000
- mov r5, r5, lsr #24
- strb r5, [dest], #1
-
- orr r9, r4, r9, lsl #16 ; c | d
- mul r9, c102_154, r9 ; c * 154 + 102 * d
- add r7, r7, #0x8000
- mov r7, r7, lsr #24
- strb r7, [dest], #1
-
- add r9, r9, #0x8000
- subs srcw, srcw, #3
- mov r9, r9, lsr #24
- strb r9, [dest], #1
-
- bpl hl35_loop
-
- ldrb r5, [src], #1 ; b = src[1]
- strb r4, [dest], #1
-
- orr r6, r4, r8, lsl #16 ; b | a
- ldrb r9, [src], #1 ; c = src[2]
- mul r6, c102_154, r6 ; a * 102 + 154 * b
-
- orr r5, r9, r8, lsl #16 ; b | c
- mul r5, c51_205, r5 ; b * 205 + 51 * c
- add r6, r6, #0x8000
- mov r6, r6, lsr #24
- strb r6, [dest], #1
-
- orr r7, r8, r9, lsl #16 ; c | b
- mul r7, c51_205, r7 ; c * 205 + 154 * b
- add r5, r5, #0x8000
- mov r5, r5, lsr #24
- strb r5, [dest], #1
-
- add r7, r7, #0x8000
- mov r7, r7, lsr #24
- strb r7, [dest], #1
- strb r9, [dest], #1
-
- ldmia sp!, {r4 - r11, pc}- ENDP ;|vp8cx_horizontal_line_3_5_scale_c|
-
-
-;/****************************************************************************
-; *
-; * ROUTINE : vp8cx_vertical_band_3_5_scale_c
-; *
-; * INPUTS : unsigned char *dest : Pointer to destination data.
-; * unsigned int dest_pitch : Stride of destination data.
-; * unsigned int dest_width : Width of destination data.
-; *
-; * OUTPUTS : None.
-; *
-; * RETURNS : void
-; *
-; * FUNCTION : Scales vertical band of pixels by scale 3 to 5. The
-; * height of the band scaled is 3-pixels.
-; *
-; * SPECIAL NOTES : The routine uses the first line of the band below
-; * the current band.
-; *
-; ****************************************************************************/
-;void vertical_band_4_5_scale_armv4
-;(
-; r0 = UINT8 *dest
-; r1 = UINT32 dest_pitch
-; r2 = UINT32 dest_width
-;)
-|vertical_band_3_5_scale_armv4| PROC
- stmdb sp!, {r4 - r11, lr}-
- ldr c51_205, =0x3300cd
- ldr c102_154, =0x66009a
-
-vl35_loop
- mov r3, src
- ldrb r4, [r3], r1 ; a = des [0]
- ldrb r5, [r3], r1 ; b = des [dest_pitch]
- ldrb r7, [r3], r1 ; c = des[dest_pitch*2]
- add lr, src, r1
-
- orr r8, r4, r5, lsl #16 ; b | a
- mul r6, c102_154, r8 ; a * 102 + 154 * b
-
- ldrb r8, [r3, r1, lsl #1] ; d = des[dest_pitch*5]
- orr r3, r7, r5, lsl #16 ; b | c
- mul r9, c51_205, r3 ; b * 205 + 51 * c
- add r6, r6, #0x8000
- orr r3, r5, r7, lsl #16 ; c | b
- mov r6, r6, lsr #24
- strb r6, [lr], r1
-
- mul r5, c51_205, r3 ; c * 205 + 154 * b
- add r9, r9, #0x8000
- orr r3, r8, r7, lsl #16 ; c | d
- mov r9, r9, lsr #24
- strb r9, [lr], r1
-
- mul r7, c102_154, r3 ; c * 154 + 102 * d
- add r5, r5, #0x8000
- add src, src, #1
- mov r5, r5, lsr #24
- strb r5, [lr], r1
-
- add r7, r7, #0x8000
- subs r2, r2, #1
- mov r7, r7, lsr #24
- strb r7, [lr], r1
-
-
- bne vl35_loop
-
- ldmia sp!, {r4 - r11, pc}- ENDP ;|vertical_band_3_5_scale_armv4|
-
-;/****************************************************************************
-; *
-; * ROUTINE : horizontal_line_3_4_scale_armv4
-; *
-; * INPUTS : const unsigned char *source : Pointer to source data.
-; * unsigned int source_width : Stride of source.
-; * unsigned char *dest : Pointer to destination data.
-; * unsigned int dest_width : Stride of destination (NOT USED).
-; *
-; * OUTPUTS : None.
-; *
-; * RETURNS : void
-; *
-; * FUNCTION : Copies horizontal line of pixels from source to
-; * destination scaling up by 3 to 4.
-; *
-; * SPECIAL NOTES : None.
-; *
-; *
-; ****************************************************************************/
-;void horizontal_line_3_4_scale_armv4
-;(
-; const unsigned char *source,
-; unsigned int source_width,
-; unsigned char *dest,
-; unsigned int dest_width
-;)
-|horizontal_line_3_4_scale_armv4| PROC
- stmdb sp!, {r4 - r11, lr}-
- ldr r10, =64
- ldr r11, =192
- mov r9, #128
-
- ldrb r4, [src], #1 ; a = src[0]
-
-hl34_loop
-
- ldrb r8, [src], #1 ; b = src[1]
- ldrb r7, [src], #1 ; c = src[2]
- strb r4, [dest], #1
-
- mla r4, r10, r4, r9 ; a*64 + 128
- mla r4, r11, r8, r4 ; a*64 + b*192 + 1
-
- add r8, r8, #1 ; b + 1
- add r8, r8, r7 ; b + c + 1
- mov r8, r8, asr #1 ; (b + c + 1) >> 1
-
- mov r4, r4, asr #8 ; (a*64 + b*192 + 1) >> 8
- strb r4, [dest], #1
-
- strb r8, [dest], #1
-
- ldrb r4, [src], #1 ; [a+1]
-
- mla r7, r11, r7, r9 ; c*192 + 128
- mla r7, r4, r10, r7 ; a*64 + b*192 + 128
-
- subs srcw, srcw, #3
-
- mov r7, r7, asr #8 ; (a*64 + b*192 + 128) >> 8
- strb r7, [dest], #1
-
- bpl hl34_loop
-
- ldrb r8, [src], #1 ; b = src[1]
- ldrb r7, [src], #1 ; c = src[2]
- strb r4, [dest], #1
-
- mla r4, r10, r4, r9 ; a*64 + 128
- mla r4, r11, r8, r4 ; a*64 + b*192 + 1
- mov r4, r4, asr #8 ; (a*64 + b*192 + 1) >> 8
- strb r4, [dest], #1
-
- add r8, r8, #1 ; b + 1
- add r8, r8, r7 ; b + c + 1
- mov r8, r8, asr #1 ; (b + c + 1) >> 1
- strb r8, [dest], #1
- strb r7, [dest], #1
-
- ldmia sp!, {r4 - r11, pc}- ENDP ;|vp8cx_horizontal_line_3_4_scale_c|
-
-
-;/****************************************************************************
-; *
-; * ROUTINE : vertical_band_3_4_scale_armv4
-; *
-; * INPUTS : unsigned char *dest : Pointer to destination data.
-; * unsigned int dest_pitch : Stride of destination data.
-; * unsigned int dest_width : Width of destination data.
-; *
-; * OUTPUTS : None.
-; *
-; * RETURNS : void
-; *
-; * FUNCTION : Scales vertical band of pixels by scale 3 to 4. The
-; * height of the band scaled is 3-pixels.
-; *
-; * SPECIAL NOTES : The routine uses the first line of the band below
-; * the current band.
-; *
-; ****************************************************************************/
-;void vertical_band_3_4_scale_armv4
-;(
-; r0 = UINT8 *dest
-; r1 = UINT32 dest_pitch
-; r2 = UINT32 dest_width
-;)
-|vertical_band_3_4_scale_armv4| PROC
- stmdb sp!, {r4 - r11, lr}-
- ldr r10, =64
- ldr r11, =192
- mov r9, #128
-
-; ldr r1,[r1]
-vl34_loop
- mov r3, src
- ldrb r4, [r3], r1 ; a = des [0]
- ldrb r5, [r3], r1 ; b = des [dest_pitch]
- ldrb r7, [r3], r1 ; c = des [dest_pitch*2]
- add lr, src, r1
-
- mla r4, r10, r4, r9 ; a*64 + 128
- mla r4, r11, r5, r4 ; a*64 + b*192 + 1
-
- add r5, r5, #1 ; b + 1
- add r5, r5, r7 ; b + c + 1
- mov r5, r5, asr #1 ; (b + c + 1) >> 1
-
- mov r4, r4, asr #8 ; (a*64 + b*192 + 1) >> 8
- strb r4, [lr], r1
-
- ldrb r4, [r3, r1] ; a = des [dest_pitch*4]
-
- strb r5, [lr], r1
-
- mla r7, r11, r7, r9 ; c*192 + 128
- mla r7, r4, r10, r7 ; a*64 + b*192 + 128
- mov r7, r7, asr #8 ; (a*64 + b*192 + 128) >> 8
-
- add src, src, #1
- subs r2, r2, #1
-
- strb r7, [lr]
-
- bne vl34_loop
-
- ldmia sp!, {r4 - r11, pc}- ENDP ;|vertical_band_3_4_scale_armv4|
-
-;/****************************************************************************
-; *
-; * ROUTINE : vp8cx_horizontal_line_1_2_scale_c
-; *
-; * INPUTS : const unsigned char *source : Pointer to source data.
-; * unsigned int source_width : Stride of source.
-; * unsigned char *dest : Pointer to destination data.
-; * unsigned int dest_width : Stride of destination (NOT USED).
-; *
-; * OUTPUTS : None.
-; *
-; * RETURNS : void
-; *
-; * FUNCTION : Copies horizontal line of pixels from source to
-; * destination scaling up by 1 to 2.
-; *
-; * SPECIAL NOTES : None.
-; *
-; ****************************************************************************/
-;void vp8cx_horizontal_line_1_2_scale_c
-;(
-; const unsigned char *source,
-; unsigned int source_width,
-; unsigned char *dest,
-; unsigned int dest_width
-;)
-|horizontal_line_1_2_scale_armv4| PROC
- stmdb sp!, {r4 - r5, lr}-
- sub srcw, srcw, #1
-
- ldrb r3, [src], #1
- ldrb r4, [src], #1
-hl12_loop
- subs srcw, srcw, #1
-
- add r5, r3, r4
- add r5, r5, #1
- mov r5, r5, lsr #1
-
- orr r5, r3, r5, lsl #8
- strh r5, [dest], #2
-
- mov r3, r4
-
- ldrneb r4, [src], #1
- bne hl12_loop
-
- orr r5, r4, r4, lsl #8
- strh r5, [dest]
-
- ldmia sp!, {r4 - r5, pc}- ENDP ;|vertical_band_3_5_scale_armv4|
-
-;/****************************************************************************
-; *
-; * ROUTINE : vp8cx_vertical_band_1_2_scale_c
-; *
-; * INPUTS : unsigned char *dest : Pointer to destination data.
-; * unsigned int dest_pitch : Stride of destination data.
-; * unsigned int dest_width : Width of destination data.
-; *
-; * OUTPUTS : None.
-; *
-; * RETURNS : void
-; *
-; * FUNCTION : Scales vertical band of pixels by scale 1 to 2. The
-; * height of the band scaled is 1-pixel.
-; *
-; * SPECIAL NOTES : The routine uses the first line of the band below
-; * the current band.
-; *
-; ****************************************************************************/
-;void vp8cx_vertical_band_1_2_scale_c
-;(
-; r0 = UINT8 *dest
-; r1 = UINT32 dest_pitch
-; r2 = UINT32 dest_width
-;)
-|vertical_band_1_2_scale_armv4| PROC
- stmdb sp!, {r4 - r7, lr}-
- ldr mask, =0xff00ff ; mask for selection
- ldr lr, = 0x010001
-
-vl12_loop
- mov r3, src
- ldr r4, [r3], r1
- ldr r5, [r3, r1]
-
- add src, src, #4
- subs r2, r2, #4
-
- and r6, r4, mask
- and r7, r5, mask
-
- add r6, r7, r6
- add r6, r6, lr
-
- and r4, mask, r4, lsr #8
- and r5, mask, r5, lsr #8
-
- mov r6, r6, lsr #1
- and r6, r6, mask
-
- add r4, r5, r4
- add r4, r4, lr
-
- mov r4, r4, lsr #1
- and r4, r4, mask
-
- orr r5, r6, r4, lsl #8
-
- str r5, [r3]
-
- bpl vl12_loop
-
- ldmia sp!, {r4 - r7, pc}- ENDP ;|vertical_band_3_5_scale_armv4|
-
- END
--- a/vpx_scale/vpxscale.h
+++ b/vpx_scale/vpxscale.h
@@ -61,19 +61,6 @@
extern void (*vp8_horizontal_line_5_3_scale)(const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width);
extern void (*vp8_horizontal_line_5_4_scale)(const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width);
-void horizontal_line_4_5_scale_armv4(const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width);
-void horizontal_line_2_3_scale_armv4(const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width);
-void horizontal_line_3_5_scale_armv4(const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width);
-void horizontal_line_3_4_scale_armv4(const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width);
-void horizontal_line_1_2_scale_armv4(const unsigned char *source, unsigned int source_width, unsigned char *dest, unsigned int dest_width);
-void vertical_band_4_5_scale_armv4(unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width);
-void vertical_band_2_3_scale_armv4(unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width);
-void vertical_band_3_5_scale_armv4(unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width);
-void vertical_band_3_4_scale_armv4(unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width);
-void vertical_band_1_2_scale_armv4(unsigned char *dest, unsigned int dest_pitch, unsigned int dest_width);
-
-
-extern void dmachine_specific_config(int mmx_enabled, int xmm_enabled, int wmt_enabled);
extern void vp8_yv12_scale_or_center
(
YV12_BUFFER_CONFIG *src_yuv_config,