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Updated meshoptimizer.

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This commit is contained in:
Бранимир Караџић 2020-07-26 16:26:06 -07:00
parent 81a2b8d46a
commit 1dafe00200
2 changed files with 3 additions and 12 deletions
3rdparty/meshoptimizer/src
vertexcodec.cppvertexfilter.cpp

12
3rdparty/meshoptimizer/src/vertexcodec.cpp vendored

@ -42,10 +42,8 @@
#endif
// When targeting Wasm SIMD we can't use runtime cpuid checks so we unconditionally enable SIMD
// Note that we need unimplemented-simd128 subset for a few functions that are implemented de-facto
#if defined(__wasm_simd128__)
#define SIMD_WASM
#define SIMD_TARGET __attribute__((target("unimplemented-simd128")))
#endif
#ifndef SIMD_TARGET
@ -100,15 +98,6 @@
#define wasmx_unpackhi_v64x2(a, b) wasm_v64x2_shuffle(a, b, 1, 3)
#endif
#if defined(SIMD_WASM)
// v128_t wasm_v8x16_swizzle(v128_t a, v128_t b)
SIMD_TARGET
static __inline__ v128_t wasm_v8x16_swizzle(v128_t a, v128_t b)
{
return (v128_t)__builtin_wasm_swizzle_v8x16((__i8x16)a, (__i8x16)b);
}
#endif
namespace meshopt
{
@ -769,6 +758,7 @@ static void wasmMoveMask(v128_t mask, unsigned char& mask0, unsigned char& mask1
uint64_t mask_1a = wasm_i64x2_extract_lane(mask_0, 0) & 0x0804020108040201ull;
uint64_t mask_1b = wasm_i64x2_extract_lane(mask_0, 1) & 0x8040201080402010ull;
// TODO: This can use v8x16_bitmask in the future
uint64_t mask_2 = mask_1a | mask_1b;
uint64_t mask_4 = mask_2 | (mask_2 >> 16);
uint64_t mask_8 = mask_4 | (mask_4 >> 8);

3
3rdparty/meshoptimizer/src/vertexfilter.cpp vendored

@ -735,7 +735,8 @@ static void decodeFilterQuatSimd(short* data, size_t count)
v128_t res_1 = wasmx_unpackhi_v16x8(wyr, xzr);
// compute component index shifted left by 4 (and moved into i32x4 slot)
v128_t cm = wasm_i32x4_shl(cf, 4);
// TODO: volatile here works around LLVM mis-optimizing code; https://github.com/emscripten-core/emscripten/issues/11449
volatile v128_t cm = wasm_i32x4_shl(cf, 4);
// rotate and store
uint64_t* out = reinterpret_cast<uint64_t*>(&data[i * 4]);