| /* |
| * 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 InterpKernel *filter, int x0_q4, |
| int32_t x_step_q4, int y0_q4, int y_step_q4, |
| int w, int h) { |
| const int16_t *const filter_y = filter[y0_q4]; |
| 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, x0_q4, |
| x_step_q4, y0_q4, y_step_q4, w, h); |
| break; |
| } |
| } |
| #endif |
