diff options
Diffstat (limited to 'src/gallium/drivers/swr/rasterizer/jitter/builder_misc.cpp')
| -rw-r--r-- | src/gallium/drivers/swr/rasterizer/jitter/builder_misc.cpp | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/src/gallium/drivers/swr/rasterizer/jitter/builder_misc.cpp b/src/gallium/drivers/swr/rasterizer/jitter/builder_misc.cpp index 3ac11a8f11e..0ee727cc8d8 100644 --- a/src/gallium/drivers/swr/rasterizer/jitter/builder_misc.cpp +++ b/src/gallium/drivers/swr/rasterizer/jitter/builder_misc.cpp @@ -108,45 +108,6 @@ namespace SwrJit return (uint16_t)tmpVal; } - ////////////////////////////////////////////////////////////////////////// - /// @brief Convert an IEEE 754 16-bit float to an 32-bit single precision - /// float - /// @param val - 16-bit float - /// @todo Maybe move this outside of this file into a header? - static float ConvertFloat16ToFloat32(uint32_t val) - { - uint32_t result; - if ((val & 0x7fff) == 0) - { - result = ((uint32_t)(val & 0x8000)) << 16; - } - else if ((val & 0x7c00) == 0x7c00) - { - result = ((val & 0x3ff) == 0) ? 0x7f800000 : 0x7fc00000; - result |= ((uint32_t)val & 0x8000) << 16; - } - else - { - uint32_t sign = (val & 0x8000) << 16; - uint32_t mant = (val & 0x3ff) << 13; - uint32_t exp = (val >> 10) & 0x1f; - if ((exp == 0) && (mant != 0)) // Adjust exponent and mantissa for denormals - { - mant <<= 1; - while (mant < (0x400 << 13)) - { - exp--; - mant <<= 1; - } - mant &= (0x3ff << 13); - } - exp = ((exp - 15 + 127) & 0xff) << 23; - result = sign | exp | mant; - } - - return *(float*)&result; - } - Constant* Builder::C(bool i) { return ConstantInt::get(IRB()->getInt1Ty(), (i ? 1 : 0)); } Constant* Builder::C(char i) { return ConstantInt::get(IRB()->getInt8Ty(), i); } |