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Merge "MIPS: dspr2: added optimization for TrueMotion"

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This commit is contained in:
James Zern
2015-02-26 14:07:00 -08:00
committed by Gerrit Code Review
parent 0f773693bf 241bb5d9d9
commit 76394c09d4
1 changed files with 84 additions and 0 deletions
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84
src/dsp/dec_mips_dsp_r2.c
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@@ -870,6 +870,86 @@ static void DC8uvNoTop(uint8_t* dst) { // DC with no top samples
#undef STORE_8_BYTES
#undef LOAD_4_BYTES
#define CLIPPING(SIZE) \
"preceu.ph.qbl %[temp2], %[temp0] \n\t" \
"preceu.ph.qbr %[temp0], %[temp0] \n\t" \
".if "#SIZE" == 8 \n\t" \
"preceu.ph.qbl %[temp3], %[temp1] \n\t" \
"preceu.ph.qbr %[temp1], %[temp1] \n\t" \
".endif \n\t" \
"addu.ph %[temp2], %[temp2], %[dst_1] \n\t" \
"addu.ph %[temp0], %[temp0], %[dst_1] \n\t" \
".if "#SIZE" == 8 \n\t" \
"addu.ph %[temp3], %[temp3], %[dst_1] \n\t" \
"addu.ph %[temp1], %[temp1], %[dst_1] \n\t" \
".endif \n\t" \
"shll_s.ph %[temp2], %[temp2], 7 \n\t" \
"shll_s.ph %[temp0], %[temp0], 7 \n\t" \
".if "#SIZE" == 8 \n\t" \
"shll_s.ph %[temp3], %[temp3], 7 \n\t" \
"shll_s.ph %[temp1], %[temp1], 7 \n\t" \
".endif \n\t" \
"precrqu_s.qb.ph %[temp0], %[temp2], %[temp0] \n\t" \
".if "#SIZE" == 8 \n\t" \
"precrqu_s.qb.ph %[temp1], %[temp3], %[temp1] \n\t" \
".endif \n\t"
#define CLIP_8B_TO_DST(DST, TOP, SIZE) do { \
int dst_1 = ((int)(DST)[-1] << 16) + (DST)[-1]; \
int temp0, temp1, temp2, temp3; \
__asm__ volatile ( \
".if "#SIZE" < 8 \n\t" \
"ulw %[temp0], 0(%[top]) \n\t" \
"subu.ph %[dst_1], %[dst_1], %[top_1] \n\t" \
CLIPPING(4) \
"usw %[temp0], 0(%[dst]) \n\t" \
".else \n\t" \
"ulw %[temp0], 0(%[top]) \n\t" \
"ulw %[temp1], 4(%[top]) \n\t" \
"subu.ph %[dst_1], %[dst_1], %[top_1] \n\t" \
CLIPPING(8) \
"usw %[temp0], 0(%[dst]) \n\t" \
"usw %[temp1], 4(%[dst]) \n\t" \
".if "#SIZE" == 16 \n\t" \
"ulw %[temp0], 8(%[top]) \n\t" \
"ulw %[temp1], 12(%[top]) \n\t" \
CLIPPING(8) \
"usw %[temp0], 8(%[dst]) \n\t" \
"usw %[temp1], 12(%[dst]) \n\t" \
".endif \n\t" \
".endif \n\t" \
: [dst_1]"+&r"(dst_1), [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), \
[temp2]"=&r"(temp2), [temp3]"=&r"(temp3) \
: [top_1]"r"(top_1), [top]"r"((TOP)), [dst]"r"((DST)) \
: "memory" \
); \
} while (0)
#define CLIP_TO_DST(DST, SIZE) do { \
int y; \
const uint8_t* top = (DST) - BPS; \
const int top_1 = ((int)top[-1] << 16) + top[-1]; \
for (y = 0; y < (SIZE); ++y) { \
CLIP_8B_TO_DST((DST), top, (SIZE)); \
(DST) += BPS; \
} \
} while (0)
#define TRUE_MOTION(DST, SIZE) \
static void TrueMotion##SIZE(uint8_t* (DST)) { \
CLIP_TO_DST((DST), (SIZE)); \
}
TRUE_MOTION(dst, 4)
TRUE_MOTION(dst, 8)
TRUE_MOTION(dst, 16)
#undef TRUE_MOTION
#undef CLIP_TO_DST
#undef CLIP_8B_TO_DST
#undef CLIPPING
#endif // WEBP_USE_MIPS_DSP_R2
//------------------------------------------------------------------------------
@@ -897,12 +977,16 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMIPSdspR2(void) {
VP8SimpleHFilter16i = SimpleHFilter16i;
VP8PredLuma4[0] = DC4;
VP8PredLuma4[1] = TrueMotion4;
VP8PredLuma4[2] = VE4;
VP8PredLuma4[4] = RD4;
VP8PredLuma4[6] = LD4;
VP8PredChroma8[0] = DC8uv;
VP8PredChroma8[1] = TrueMotion8;
VP8PredChroma8[4] = DC8uvNoTop;
VP8PredChroma8[5] = DC8uvNoLeft;
VP8PredLuma16[1] = TrueMotion16;
#endif
}