diff options
Diffstat (limited to 'thirdparty/libwebp/src/dsp/rescaler_msa.c')
| -rw-r--r-- | thirdparty/libwebp/src/dsp/rescaler_msa.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/thirdparty/libwebp/src/dsp/rescaler_msa.c b/thirdparty/libwebp/src/dsp/rescaler_msa.c index f3bc99f1cd..c559254836 100644 --- a/thirdparty/libwebp/src/dsp/rescaler_msa.c +++ b/thirdparty/libwebp/src/dsp/rescaler_msa.c @@ -22,6 +22,7 @@ #define ROUNDER (WEBP_RESCALER_ONE >> 1) #define MULT_FIX(x, y) (((uint64_t)(x) * (y) + ROUNDER) >> WEBP_RESCALER_RFIX) +#define MULT_FIX_FLOOR(x, y) (((uint64_t)(x) * (y)) >> WEBP_RESCALER_RFIX) #define CALC_MULT_FIX_16(in0, in1, in2, in3, scale, shift, dst) do { \ v4u32 tmp0, tmp1, tmp2, tmp3; \ @@ -262,6 +263,7 @@ static void RescalerExportRowExpand_MIPSdspR2(WebPRescaler* const wrk) { } } +#if 0 // disabled for now. TODO(skal): make match the C-code static WEBP_INLINE void ExportRowShrink_0(const uint32_t* frow, uint32_t* irow, uint8_t* dst, int length, const uint32_t yscale, @@ -341,7 +343,7 @@ static WEBP_INLINE void ExportRowShrink_0(const uint32_t* frow, uint32_t* irow, } for (x_out = 0; x_out < length; ++x_out) { const uint32_t frac = (uint32_t)MULT_FIX(frow[x_out], yscale); - const int v = (int)MULT_FIX(irow[x_out] - frac, wrk->fxy_scale); + const int v = (int)MULT_FIX_FLOOR(irow[x_out] - frac, wrk->fxy_scale); assert(v >= 0 && v <= 255); dst[x_out] = v; irow[x_out] = frac; @@ -426,6 +428,7 @@ static void RescalerExportRowShrink_MIPSdspR2(WebPRescaler* const wrk) { ExportRowShrink_1(irow, dst, x_out_max, wrk); } } +#endif // 0 //------------------------------------------------------------------------------ // Entry point @@ -434,7 +437,7 @@ extern void WebPRescalerDspInitMSA(void); WEBP_TSAN_IGNORE_FUNCTION void WebPRescalerDspInitMSA(void) { WebPRescalerExportRowExpand = RescalerExportRowExpand_MIPSdspR2; - WebPRescalerExportRowShrink = RescalerExportRowShrink_MIPSdspR2; +// WebPRescalerExportRowShrink = RescalerExportRowShrink_MIPSdspR2; } #else // !WEBP_USE_MSA |