| /* | |
| * Copyright (c) 2013 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. | |
| */ | |
| #include <assert.h> | |
| #include <stdio.h> | |
| #include "./vpx_dsp_rtcd.h" | |
| #include "vpx_dsp/mips/convolve_common_dspr2.h" | |
| #include "vpx_dsp/vpx_convolve.h" | |
| #include "vpx_dsp/vpx_dsp_common.h" | |
| #include "vpx_ports/mem.h" | |
| #if HAVE_DSPR2 | |
| static void convolve_bi_vert_4_dspr2(const uint8_t *src, | |
| int32_t src_stride, | |
| uint8_t *dst, | |
| int32_t dst_stride, | |
| const int16_t *filter_y, | |
| int32_t w, | |
| int32_t h) { | |
| int32_t x, y; | |
| const uint8_t *src_ptr; | |
| uint8_t *dst_ptr; | |
| uint8_t *cm = vpx_ff_cropTbl; | |
| uint32_t vector4a = 64; | |
| uint32_t load1, load2; | |
| uint32_t p1, p2; | |
| uint32_t scratch1; | |
| uint32_t store1, store2; | |
| int32_t Temp1, Temp2; | |
| const int16_t *filter = &filter_y[3]; | |
| uint32_t filter45; | |
| filter45 = ((const int32_t *)filter)[0]; | |
| for (y = h; y--;) { | |
| /* prefetch data to cache memory */ | |
| prefetch_store(dst + dst_stride); | |
| for (x = 0; x < w; x += 4) { | |
| src_ptr = src + x; | |
| dst_ptr = dst + x; | |
| __asm__ __volatile__ ( | |
| "ulw %[load1], 0(%[src_ptr]) \n\t" | |
| "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" | |
| "ulw %[load2], 0(%[src_ptr]) \n\t" | |
| "mtlo %[vector4a], $ac0 \n\t" | |
| "mtlo %[vector4a], $ac1 \n\t" | |
| "mtlo %[vector4a], $ac2 \n\t" | |
| "mtlo %[vector4a], $ac3 \n\t" | |
| "mthi $zero, $ac0 \n\t" | |
| "mthi $zero, $ac1 \n\t" | |
| "mthi $zero, $ac2 \n\t" | |
| "mthi $zero, $ac3 \n\t" | |
| "preceu.ph.qbr %[scratch1], %[load1] \n\t" | |
| "preceu.ph.qbr %[p1], %[load2] \n\t" | |
| "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */ | |
| "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ | |
| "dpa.w.ph $ac0, %[p1], %[filter45] \n\t" | |
| "dpa.w.ph $ac1, %[p2], %[filter45] \n\t" | |
| "preceu.ph.qbl %[scratch1], %[load1] \n\t" | |
| "preceu.ph.qbl %[p1], %[load2] \n\t" | |
| "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */ | |
| "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ | |
| "dpa.w.ph $ac2, %[p1], %[filter45] \n\t" | |
| "dpa.w.ph $ac3, %[p2], %[filter45] \n\t" | |
| "extp %[Temp1], $ac0, 31 \n\t" | |
| "extp %[Temp2], $ac1, 31 \n\t" | |
| "lbux %[store1], %[Temp1](%[cm]) \n\t" | |
| "extp %[Temp1], $ac2, 31 \n\t" | |
| "lbux %[store2], %[Temp2](%[cm]) \n\t" | |
| "extp %[Temp2], $ac3, 31 \n\t" | |
| "sb %[store1], 0(%[dst_ptr]) \n\t" | |
| "sb %[store2], 1(%[dst_ptr]) \n\t" | |
| "lbux %[store1], %[Temp1](%[cm]) \n\t" | |
| "lbux %[store2], %[Temp2](%[cm]) \n\t" | |
| "sb %[store1], 2(%[dst_ptr]) \n\t" | |
| "sb %[store2], 3(%[dst_ptr]) \n\t" | |
| : [load1] "=&r" (load1), [load2] "=&r" (load2), | |
| [p1] "=&r" (p1), [p2] "=&r" (p2), | |
| [scratch1] "=&r" (scratch1), | |
| [Temp1] "=&r" (Temp1), [Temp2] "=&r" (Temp2), | |
| [store1] "=&r" (store1), [store2] "=&r" (store2), | |
| [src_ptr] "+r" (src_ptr) | |
| : [filter45] "r" (filter45),[vector4a] "r" (vector4a), | |
| [src_stride] "r" (src_stride), | |
| [cm] "r" (cm), [dst_ptr] "r" (dst_ptr) | |
| ); | |
| } | |
| /* Next row... */ | |
| src += src_stride; | |
| dst += dst_stride; | |
| } | |
| } | |
| static void convolve_bi_vert_64_dspr2(const uint8_t *src, | |
| int32_t src_stride, | |
| uint8_t *dst, | |
| int32_t dst_stride, | |
| const int16_t *filter_y, | |
| int32_t h) { | |
| int32_t x, y; | |
| const uint8_t *src_ptr; | |
| uint8_t *dst_ptr; | |
| uint8_t *cm = vpx_ff_cropTbl; | |
| uint32_t vector4a = 64; | |
| uint32_t load1, load2; | |
| uint32_t p1, p2; | |
| uint32_t scratch1; | |
| uint32_t store1, store2; | |
| int32_t Temp1, Temp2; | |
| const int16_t *filter = &filter_y[3]; | |
| uint32_t filter45; | |
| filter45 = ((const int32_t *)filter)[0]; | |
| for (y = h; y--;) { | |
| /* prefetch data to cache memory */ | |
| prefetch_store(dst + dst_stride); | |
| for (x = 0; x < 64; x += 4) { | |
| src_ptr = src + x; | |
| dst_ptr = dst + x; | |
| __asm__ __volatile__ ( | |
| "ulw %[load1], 0(%[src_ptr]) \n\t" | |
| "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" | |
| "ulw %[load2], 0(%[src_ptr]) \n\t" | |
| "mtlo %[vector4a], $ac0 \n\t" | |
| "mtlo %[vector4a], $ac1 \n\t" | |
| "mtlo %[vector4a], $ac2 \n\t" | |
| "mtlo %[vector4a], $ac3 \n\t" | |
| "mthi $zero, $ac0 \n\t" | |
| "mthi $zero, $ac1 \n\t" | |
| "mthi $zero, $ac2 \n\t" | |
| "mthi $zero, $ac3 \n\t" | |
| "preceu.ph.qbr %[scratch1], %[load1] \n\t" | |
| "preceu.ph.qbr %[p1], %[load2] \n\t" | |
| "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */ | |
| "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ | |
| "dpa.w.ph $ac0, %[p1], %[filter45] \n\t" | |
| "dpa.w.ph $ac1, %[p2], %[filter45] \n\t" | |
| "preceu.ph.qbl %[scratch1], %[load1] \n\t" | |
| "preceu.ph.qbl %[p1], %[load2] \n\t" | |
| "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */ | |
| "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ | |
| "dpa.w.ph $ac2, %[p1], %[filter45] \n\t" | |
| "dpa.w.ph $ac3, %[p2], %[filter45] \n\t" | |
| "extp %[Temp1], $ac0, 31 \n\t" | |
| "extp %[Temp2], $ac1, 31 \n\t" | |
| "lbux %[store1], %[Temp1](%[cm]) \n\t" | |
| "extp %[Temp1], $ac2, 31 \n\t" | |
| "lbux %[store2], %[Temp2](%[cm]) \n\t" | |
| "extp %[Temp2], $ac3, 31 \n\t" | |
| "sb %[store1], 0(%[dst_ptr]) \n\t" | |
| "sb %[store2], 1(%[dst_ptr]) \n\t" | |
| "lbux %[store1], %[Temp1](%[cm]) \n\t" | |
| "lbux %[store2], %[Temp2](%[cm]) \n\t" | |
| "sb %[store1], 2(%[dst_ptr]) \n\t" | |
| "sb %[store2], 3(%[dst_ptr]) \n\t" | |
| : [load1] "=&r" (load1), [load2] "=&r" (load2), | |
| [p1] "=&r" (p1), [p2] "=&r" (p2), | |
| [scratch1] "=&r" (scratch1), | |
| [Temp1] "=&r" (Temp1), [Temp2] "=&r" (Temp2), | |
| [store1] "=&r" (store1), [store2] "=&r" (store2), | |
| [src_ptr] "+r" (src_ptr) | |
| : [filter45] "r" (filter45),[vector4a] "r" (vector4a), | |
| [src_stride] "r" (src_stride), | |
| [cm] "r" (cm), [dst_ptr] "r" (dst_ptr) | |
| ); | |
| } | |
| /* Next row... */ | |
| src += src_stride; | |
| dst += dst_stride; | |
| } | |
| } | |
| void vpx_convolve2_vert_dspr2(const uint8_t *src, ptrdiff_t src_stride, | |
| uint8_t *dst, ptrdiff_t dst_stride, | |
| const int16_t *filter_x, int x_step_q4, | |
| const int16_t *filter_y, int y_step_q4, | |
| int w, int h) { | |
| uint32_t pos = 38; | |
| assert(y_step_q4 == 16); | |
| /* bit positon for extract from acc */ | |
| __asm__ __volatile__ ( | |
| "wrdsp %[pos], 1 \n\t" | |
| : | |
| : [pos] "r" (pos) | |
| ); | |
| prefetch_store(dst); | |
| switch (w) { | |
| case 4 : | |
| case 8 : | |
| case 16 : | |
| case 32 : | |
| convolve_bi_vert_4_dspr2(src, src_stride, | |
| dst, dst_stride, | |
| filter_y, w, h); | |
| break; | |
| case 64 : | |
| prefetch_store(dst + 32); | |
| convolve_bi_vert_64_dspr2(src, src_stride, | |
| dst, dst_stride, | |
| filter_y, h); | |
| break; | |
| default: | |
| vpx_convolve8_vert_c(src, src_stride, | |
| dst, dst_stride, | |
| filter_x, x_step_q4, | |
| filter_y, y_step_q4, | |
| w, h); | |
| break; | |
| } | |
| } | |
| #endif |