diff options
Diffstat (limited to 'vpx_scale/symbian/gen_scalers_armv4.asm')
| -rw-r--r-- | vpx_scale/symbian/gen_scalers_armv4.asm | 773 |
1 files changed, 773 insertions, 0 deletions
diff --git a/vpx_scale/symbian/gen_scalers_armv4.asm b/vpx_scale/symbian/gen_scalers_armv4.asm new file mode 100644 index 000000000..1c904edae --- /dev/null +++ b/vpx_scale/symbian/gen_scalers_armv4.asm @@ -0,0 +1,773 @@ +; +; 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 |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 |