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Found by inspection. Untested beyond compilation. This also matches the
logic used in nir_lower_alu_to_scalar.
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
Cc: [email protected]
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I think these are not strictly necessary since the floats in them
should be automatically promoted to doubles when operated with
double sources, but it makes things more explicit at least.
Reviewed-by: Matt Turner <[email protected]>
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Reviewed-by: Matt Turner <[email protected]>
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Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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There is no sense in having the double version of ldexp take a 64-bit
integer. Instead, let's just take a 32-bit int all the time. This also
matches what GLSL does where both variants of ldexp take a regular integer
for the exponent argument.
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
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The new expressions are more explicit in terms of where the bits go so it's
a little easier to tell what's going on. This is the way GLSL specifies
things so it's a bit easier to verify too. It also has the benifit that
the new expressions easily vectorize so we can constant-fold vector forms
of the _split versions correctly.
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
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These are all needed for SPIR-V
Reviewed-by: Rob Clark <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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v2 (Sam):
- Use uint64 instead of float64 for sources and destinations. (Connor)
Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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v2 (Sam):
- Use uint64 instead of float64 for sources and destinations. (Connor)
Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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v2:
- Assert supports_int and don't fallback to nir_fmov (Jason)
Reviewed-by: Jason Ekstrand <[email protected]>
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Reviewed-by: Jason Ekstrand <[email protected]>
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Reviewed-by: Jason Ekstrand <[email protected]>
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This correlates directly to the SPIR-V opcode OpQuantizeToF16
Reviewed-by: Rob Clark <[email protected]>
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Some opcodes need explicit bitsizes, and sometimes we need to use the
double version when constant folding.
v2: fix output type for u2f (Iago)
v3: do not change vecN opcodes to be float. The next commit will add
infrastructure to enable 64-bit integer constant folding so this is isn't
really necessary. Also, that created problems with source modifiers in
some cases (Iago)
v4 (Jason):
- do not change bcsel to work in terms of floats
- leave ldexp generic
Squashed changes to handle different bit sizes when constant
folding since otherwise we would break the build.
v2:
- Use the bit-size information from the opcode information if defined (Iago)
- Use helpers to get type size and base type of nir_alu_type enum (Sam)
- Do not fallback to sized types to guess bit-size information. (Jason)
Squashed changes in i965 and gallium/nir drivers to support sized types.
These functions should only see sized types, but we can't make that change
until we make sure that nir uses the sized versions in all the relevant places.
A later commit will address this.
Signed-off-by: Iago Toral Quiroga <[email protected]>
Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
Reviewed-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Iago Toral Quiroga <[email protected]>
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Reviewed-by: Iago Toral Quiroga <[email protected]>
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The uint versions zero extend while the int versions sign extend.
Reviewed-by: Iago Toral Quiroga <[email protected]>
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Strangely the return and parameter types were reversed.
Reviewed-by: Iago Toral Quiroga <[email protected]>
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Signed-off-by: Emil Velikov <[email protected]>
Acked-by: Matt Turner <[email protected]>
Acked-by: Jose Fonseca <[email protected]>
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