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nir: Add a fquantize2f16 opcode

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This opcode simply takes a 32-bit floating-point value and reduces its
effective precision to 16 bits.
This commit is contained in:
Jason Ekstrand 2016-01-12 15:32:51 -08:00
parent aee970c844
commit 15a56459d7
1 changed files with 1 additions and 0 deletions
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src/glsl/nir/nir_opcodes.py
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@ -176,6 +176,7 @@ unop("ffloor", tfloat, "floorf(src0)")
unop("ffract", tfloat, "src0 - floorf(src0)")
unop("fround_even", tfloat, "_mesa_roundevenf(src0)")
unop("fquantize2f16", tfloat, "_mesa_half_to_float(_mesa_float_to_half(src0))")
# Trigonometric operations.