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author | hui su <huisu@google.com> | 2015-07-19 15:02:56 -0700 |
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committer | hui su <huisu@google.com> | 2015-07-27 13:38:16 -0700 |
commit | 7971846a5ef42d22385a4dffd1a2aa0b6ee93728 (patch) | |
tree | 3da797394dace2c8dd5db425a38c9b1396c9561c /vpx_dsp/mips/intrapred4_dspr2.c | |
parent | 55c6a74bd4f228e48d56de200f25154eb733fc40 (diff) | |
download | libvpx-7971846a5ef42d22385a4dffd1a2aa0b6ee93728.tar libvpx-7971846a5ef42d22385a4dffd1a2aa0b6ee93728.tar.gz libvpx-7971846a5ef42d22385a4dffd1a2aa0b6ee93728.tar.bz2 libvpx-7971846a5ef42d22385a4dffd1a2aa0b6ee93728.zip |
Move intra prediction functions from vp9/common/ to vpx_dsp/
Change-Id: I64edc26cf4aab050c83f2d393df6250628ad43b8
Diffstat (limited to 'vpx_dsp/mips/intrapred4_dspr2.c')
-rw-r--r-- | vpx_dsp/mips/intrapred4_dspr2.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/vpx_dsp/mips/intrapred4_dspr2.c b/vpx_dsp/mips/intrapred4_dspr2.c new file mode 100644 index 000000000..479b61651 --- /dev/null +++ b/vpx_dsp/mips/intrapred4_dspr2.c @@ -0,0 +1,245 @@ +/* + * Copyright (c) 2015 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 "vpx_dsp/mips/common_dspr2.h" + +#if HAVE_DSPR2 +uint8_t vpx_ff_cropTbl_a[256 + 2 * CROP_WIDTH]; +uint8_t *vpx_ff_cropTbl; + +void vpx_dsputil_static_init(void) { + int i; + + for (i = 0; i < 256; i++) vpx_ff_cropTbl_a[i + CROP_WIDTH] = i; + + for (i = 0; i < CROP_WIDTH; i++) { + vpx_ff_cropTbl_a[i] = 0; + vpx_ff_cropTbl_a[i + CROP_WIDTH + 256] = 255; + } + + vpx_ff_cropTbl = &vpx_ff_cropTbl_a[CROP_WIDTH]; +} + +void vp9_h_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + int32_t tmp1, tmp2, tmp3, tmp4; + + __asm__ __volatile__ ( + "lb %[tmp1], (%[left]) \n\t" + "lb %[tmp2], 1(%[left]) \n\t" + "lb %[tmp3], 2(%[left]) \n\t" + "lb %[tmp4], 3(%[left]) \n\t" + "replv.qb %[tmp1], %[tmp1] \n\t" + "replv.qb %[tmp2], %[tmp2] \n\t" + "replv.qb %[tmp3], %[tmp3] \n\t" + "replv.qb %[tmp4], %[tmp4] \n\t" + "sw %[tmp1], (%[dst]) \n\t" + "add %[dst], %[dst], %[stride] \n\t" + "sw %[tmp2], (%[dst]) \n\t" + "add %[dst], %[dst], %[stride] \n\t" + "sw %[tmp3], (%[dst]) \n\t" + "add %[dst], %[dst], %[stride] \n\t" + "sw %[tmp4], (%[dst]) \n\t" + + : [tmp1] "=&r" (tmp1), [tmp2] "=&r" (tmp2), + [tmp3] "=&r" (tmp3), [tmp4] "=&r" (tmp4) + : [left] "r" (left), [dst] "r" (dst), [stride] "r" (stride) + ); +} + +void vp9_dc_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + int32_t expected_dc; + int32_t average; + int32_t tmp, above_c, above_l, above_r, left_c, left_r, left_l; + + __asm__ __volatile__ ( + "lw %[above_c], (%[above]) \n\t" + "lw %[left_c], (%[left]) \n\t" + + "preceu.ph.qbl %[above_l], %[above_c] \n\t" + "preceu.ph.qbr %[above_r], %[above_c] \n\t" + "preceu.ph.qbl %[left_l], %[left_c] \n\t" + "preceu.ph.qbr %[left_r], %[left_c] \n\t" + + "addu.ph %[average], %[above_r], %[above_l] \n\t" + "addu.ph %[average], %[average], %[left_l] \n\t" + "addu.ph %[average], %[average], %[left_r] \n\t" + "addiu %[average], %[average], 4 \n\t" + "srl %[tmp], %[average], 16 \n\t" + "addu.ph %[average], %[tmp], %[average] \n\t" + "srl %[expected_dc], %[average], 3 \n\t" + "replv.qb %[expected_dc], %[expected_dc] \n\t" + + "sw %[expected_dc], (%[dst]) \n\t" + "add %[dst], %[dst], %[stride] \n\t" + "sw %[expected_dc], (%[dst]) \n\t" + "add %[dst], %[dst], %[stride] \n\t" + "sw %[expected_dc], (%[dst]) \n\t" + "add %[dst], %[dst], %[stride] \n\t" + "sw %[expected_dc], (%[dst]) \n\t" + + : [above_c] "=&r" (above_c), [above_l] "=&r" (above_l), + [above_r] "=&r" (above_r), [left_c] "=&r" (left_c), + [left_l] "=&r" (left_l), [left_r] "=&r" (left_r), + [average] "=&r" (average), [tmp] "=&r" (tmp), + [expected_dc] "=&r" (expected_dc) + : [above] "r" (above), [left] "r" (left), + [dst] "r" (dst), [stride] "r" (stride) + ); +} + +void vp9_tm_predictor_4x4_dspr2(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + int32_t abovel, abover; + int32_t left0, left1, left2, left3; + int32_t res0, res1; + int32_t resl; + int32_t resr; + int32_t top_left; + uint8_t *cm = vpx_ff_cropTbl; + + __asm__ __volatile__ ( + "ulw %[resl], (%[above]) \n\t" + + "lbu %[left0], (%[left]) \n\t" + "lbu %[left1], 1(%[left]) \n\t" + "lbu %[left2], 2(%[left]) \n\t" + "lbu %[left3], 3(%[left]) \n\t" + + "lbu %[top_left], -1(%[above]) \n\t" + + "preceu.ph.qbl %[abovel], %[resl] \n\t" + "preceu.ph.qbr %[abover], %[resl] \n\t" + + "replv.ph %[left0], %[left0] \n\t" + "replv.ph %[left1], %[left1] \n\t" + "replv.ph %[left2], %[left2] \n\t" + "replv.ph %[left3], %[left3] \n\t" + + "replv.ph %[top_left], %[top_left] \n\t" + + "addu.ph %[resl], %[abovel], %[left0] \n\t" + "subu.ph %[resl], %[resl], %[top_left] \n\t" + + "addu.ph %[resr], %[abover], %[left0] \n\t" + "subu.ph %[resr], %[resr], %[top_left] \n\t" + + "sll %[res0], %[resr], 16 \n\t" + "sra %[res0], %[res0], 16 \n\t" + "lbux %[res0], %[res0](%[cm]) \n\t" + + "sra %[res1], %[resr], 16 \n\t" + "lbux %[res1], %[res1](%[cm]) \n\t" + "sb %[res0], (%[dst]) \n\t" + + "sll %[res0], %[resl], 16 \n\t" + "sra %[res0], %[res0], 16 \n\t" + "lbux %[res0], %[res0](%[cm]) \n\t" + "sb %[res1], 1(%[dst]) \n\t" + + "sra %[res1], %[resl], 16 \n\t" + "lbux %[res1], %[res1](%[cm]) \n\t" + + "addu.ph %[resl], %[abovel], %[left1] \n\t" + "subu.ph %[resl], %[resl], %[top_left] \n\t" + + "addu.ph %[resr], %[abover], %[left1] \n\t" + "subu.ph %[resr], %[resr], %[top_left] \n\t" + + "sb %[res0], 2(%[dst]) \n\t" + "sb %[res1], 3(%[dst]) \n\t" + + "add %[dst], %[dst], %[stride] \n\t" + + "sll %[res0], %[resr], 16 \n\t" + "sra %[res0], %[res0], 16 \n\t" + "lbux %[res0], %[res0](%[cm]) \n\t" + + "sra %[res1], %[resr], 16 \n\t" + "lbux %[res1], %[res1](%[cm]) \n\t" + "sb %[res0], (%[dst]) \n\t" + + "sll %[res0], %[resl], 16 \n\t" + "sra %[res0], %[res0], 16 \n\t" + "lbux %[res0], %[res0](%[cm]) \n\t" + + "sb %[res1], 1(%[dst]) \n\t" + "sra %[res1], %[resl], 16 \n\t" + "lbux %[res1], %[res1](%[cm]) \n\t" + + "addu.ph %[resl], %[abovel], %[left2] \n\t" + "subu.ph %[resl], %[resl], %[top_left] \n\t" + + "addu.ph %[resr], %[abover], %[left2] \n\t" + "subu.ph %[resr], %[resr], %[top_left] \n\t" + + "sb %[res0], 2(%[dst]) \n\t" + "sb %[res1], 3(%[dst]) \n\t" + + "add %[dst], %[dst], %[stride] \n\t" + + "sll %[res0], %[resr], 16 \n\t" + "sra %[res0], %[res0], 16 \n\t" + "lbux %[res0], %[res0](%[cm]) \n\t" + + + "sra %[res1], %[resr], 16 \n\t" + "lbux %[res1], %[res1](%[cm]) \n\t" + "sb %[res0], (%[dst]) \n\t" + + "sll %[res0], %[resl], 16 \n\t" + "sra %[res0], %[res0], 16 \n\t" + "lbux %[res0], %[res0](%[cm]) \n\t" + + + "sb %[res1], 1(%[dst]) \n\t" + "sra %[res1], %[resl], 16 \n\t" + "lbux %[res1], %[res1](%[cm]) \n\t" + + "addu.ph %[resl], %[abovel], %[left3] \n\t" + "subu.ph %[resl], %[resl], %[top_left] \n\t" + + "addu.ph %[resr], %[abover], %[left3] \n\t" + "subu.ph %[resr], %[resr], %[top_left] \n\t" + + "sb %[res0], 2(%[dst]) \n\t" + "sb %[res1], 3(%[dst]) \n\t" + + "add %[dst], %[dst], %[stride] \n\t" + + "sll %[res0], %[resr], 16 \n\t" + "sra %[res0], %[res0], 16 \n\t" + "lbux %[res0], %[res0](%[cm]) \n\t" + + "sra %[res1], %[resr], 16 \n\t" + "lbux %[res1], %[res1](%[cm]) \n\t" + "sb %[res0], (%[dst]) \n\t" + + "sll %[res0], %[resl], 16 \n\t" + "sra %[res0], %[res0], 16 \n\t" + "lbux %[res0], %[res0](%[cm]) \n\t" + "sb %[res1], 1(%[dst]) \n\t" + + "sra %[res1], %[resl], 16 \n\t" + "lbux %[res1], %[res1](%[cm]) \n\t" + + "sb %[res0], 2(%[dst]) \n\t" + "sb %[res1], 3(%[dst]) \n\t" + + : [abovel] "=&r" (abovel), [abover] "=&r" (abover), + [left0] "=&r" (left0), [left1] "=&r" (left1), [left2] "=&r" (left2), + [res0] "=&r" (res0), [res1] "=&r" (res1), [left3] "=&r" (left3), + [resl] "=&r" (resl), [resr] "=&r" (resr), [top_left] "=&r" (top_left) + : [above] "r" (above), [left] "r" (left), + [dst] "r" (dst), [stride] "r" (stride), [cm] "r" (cm) + ); +} +#endif // #if HAVE_DSPR2 |