diff options
Diffstat (limited to 'servers/rendering/renderer_rd/storage_rd/material_storage.h')
| -rw-r--r-- | servers/rendering/renderer_rd/storage_rd/material_storage.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/servers/rendering/renderer_rd/storage_rd/material_storage.h b/servers/rendering/renderer_rd/storage_rd/material_storage.h index db2e4cfa2a..2ce6550cc1 100644 --- a/servers/rendering/renderer_rd/storage_rd/material_storage.h +++ b/servers/rendering/renderer_rd/storage_rd/material_storage.h @@ -311,6 +311,18 @@ public: } } + // http://andrewthall.org/papers/df64_qf128.pdf +#ifdef REAL_T_IS_DOUBLE + static _FORCE_INLINE_ void split_double(double a, float *ahi, float *alo) { + const double SPLITTER = (1 << 29) + 1; + double t = a * SPLITTER; + double thi = t - (t - a); + double tlo = a - thi; + *ahi = (float)thi; + *alo = (float)tlo; + } +#endif + /* Samplers */ _FORCE_INLINE_ RID sampler_rd_get_default(RS::CanvasItemTextureFilter p_filter, RS::CanvasItemTextureRepeat p_repeat) { |