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nir/types: add a function to get the bitsize of a base type

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v2: fix it for GLSL_TYPE_SUBROUTINE (Iago)

Signed-off-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
This commit is contained in:
Connor Abbott 2015-08-14 10:36:15 -07:00 • committed by Samuel Iglesias Gonsálvez
parent c38a25af2f
commit 3d37de930d
1 changed files with 21 additions and 0 deletions
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21
src/compiler/nir_types.h
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@ -77,6 +77,27 @@ enum glsl_base_type glsl_get_sampler_result_type(const struct glsl_type *type);
unsigned glsl_get_record_location_offset(const struct glsl_type *type,
unsigned length);
static inline unsigned
glsl_get_bit_size(enum glsl_base_type type)
{
switch (type) {
case GLSL_TYPE_INT:
case GLSL_TYPE_UINT:
case GLSL_TYPE_BOOL:
case GLSL_TYPE_FLOAT: /* TODO handle mediump */
case GLSL_TYPE_SUBROUTINE:
return 32;
case GLSL_TYPE_DOUBLE:
return 64;
default:
unreachable("unknown base type");
}
return 0;
}
bool glsl_type_is_void(const struct glsl_type *type);
bool glsl_type_is_error(const struct glsl_type *type);
bool glsl_type_is_vector(const struct glsl_type *type);