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swr/rast: Convert C Sampler intrinsics 

Convert portions of the C sampler to the rasty SIMD lib.

Also fix SRL call with a non-immediate.  Don't count on the compiler
automagically converting an srli call to srl if the shift count isn't
an immediate.

Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>
This commit is contained in:
George Kyriazis 2018-02-09 11:37:17 -06:00
parent 37ebf86add
commit c09483cf0a
2 changed files with 19 additions and 0 deletions
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3
src/gallium/drivers/swr/rasterizer/common/intrin.h
View File

@ -26,7 +26,10 @@
#include "os.h"
#if !defined(SIMD_ARCH)
#define SIMD_ARCH KNOB_ARCH
#endif
#include "simdlib_types.hpp"
typedef SIMDImpl::SIMD128Impl::Float simd4scalar;

16
src/gallium/drivers/swr/rasterizer/common/simdlib_128_avx.inl
View File

@ -174,6 +174,7 @@ SIMD_IWRAPPER_2_(xor_si, _mm_xor_si128); // return a ^ b (int)
// Shift operations
//-----------------------------------------------------------------------
SIMD_IWRAPPER_1I(slli_epi32); // return a << ImmT
SIMD_IWRAPPER_1I(slli_epi64); // return a << ImmT
static SIMDINLINE Integer SIMDCALL sllv_epi32(Integer vA, Integer vB) // return a << b (uint32)
{
@ -205,6 +206,11 @@ SIMD_IWRAPPER_1I(srai_epi32); // return a >> ImmT (int32)
SIMD_IWRAPPER_1I(srli_epi32); // return a >> ImmT (uint32)
SIMD_IWRAPPER_1I_(srli_si, _mm_srli_si128); // return a >> (ImmT*8) (uint)
static SIMDINLINE Integer SIMDCALL srl_epi64(Integer a, Integer n)
{
return _mm_srl_epi64(a, n);
}
template<int ImmT> // same as srli_si, but with Float cast to int
static SIMDINLINE Float SIMDCALL srlisi_ps(Float a)
{
@ -272,6 +278,16 @@ static SIMDINLINE Float SIMDCALL cvtepi32_ps(Integer a) // return (float)a (i
return _mm_cvtepi32_ps(a);
}
static SIMDINLINE int32_t SIMDCALL cvtsi128_si32(Integer a) // return a.v[0]
{
return _mm_cvtsi128_si32(a);
}
static SIMDINLINE Integer SIMDCALL cvtsi32_si128(int32_t n) // return a[0] = n, a[1]...a[3] = 0
{
return _mm_cvtsi32_si128(n);
}
SIMD_IWRAPPER_1(cvtepu8_epi16); // return (int16)a (uint8 --> int16)
SIMD_IWRAPPER_1(cvtepu8_epi32); // return (int32)a (uint8 --> int32)
SIMD_IWRAPPER_1(cvtepu16_epi32); // return (int32)a (uint16 --> int32)