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intel/brw: Delete some swizzling functions

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Not needed in the align1 world, apparently.

Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27872>
This commit is contained in:
Kenneth Graunke
2024-02-28 05:34:16 -08:00
committed by Marge Bot
parent bbcd35141b
commit 655cb9c61f
1 changed files with 0 additions and 57 deletions
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src/intel/compiler/brw_reg.h
-57
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@@ -119,41 +119,6 @@ brw_compose_swizzle(unsigned swz0, unsigned swz1)
BRW_GET_SWZ(swz1, BRW_GET_SWZ(swz0, 3)));
}
/**
* Return the result of applying swizzle \p swz to shuffle the bits of \p mask
* (AKA image).
*/
static inline unsigned
brw_apply_swizzle_to_mask(unsigned swz, unsigned mask)
{
unsigned result = 0;
for (unsigned i = 0; i < 4; i++) {
if (mask & (1 << BRW_GET_SWZ(swz, i)))
result |= 1 << i;
}
return result;
}
/**
* Return the result of applying the inverse of swizzle \p swz to shuffle the
* bits of \p mask (AKA preimage). Useful to find out which components are
* read from a swizzled source given the instruction writemask.
*/
static inline unsigned
brw_apply_inv_swizzle_to_mask(unsigned swz, unsigned mask)
{
unsigned result = 0;
for (unsigned i = 0; i < 4; i++) {
if (mask & (1 << i))
result |= 1 << BRW_GET_SWZ(swz, i);
}
return result;
}
/**
* Construct an identity swizzle for the set of enabled channels given by \p
* mask. The result will only reference channels enabled in the provided \p
@@ -179,28 +144,6 @@ brw_swizzle_for_mask(unsigned mask)
return BRW_SWIZZLE4(swz[0], swz[1], swz[2], swz[3]);
}
/**
* Construct an identity swizzle for the first \p n components of a vector.
* When only a subset of channels of a vec4 are used we don't want to
* reference the other channels, as that will tell optimization passes that
* those other channels are used.
*/
static inline unsigned
brw_swizzle_for_size(unsigned n)
{
return brw_swizzle_for_mask((1 << n) - 1);
}
/**
* Converse of brw_swizzle_for_mask(). Returns the mask of components
* accessed by the specified swizzle \p swz.
*/
static inline unsigned
brw_mask_for_swizzle(unsigned swz)
{
return brw_apply_inv_swizzle_to_mask(swz, ~0);
}
uint32_t brw_swizzle_immediate(enum brw_reg_type type, uint32_t x, unsigned swz);
#define REG_SIZE (8*4)