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Swap SSE4.1 instruction with an SSE2 instruction

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The min spec is SSSE3, using SSE4.1 instructions (_mm_extract_epi64) will break compatibility. The code containing the defect is debug only, and %90+ of the user base uses an SSE4.1 capable processor.
This commit is contained in:
Kawe Mazidjatari 2023-09-23 16:34:37 +02:00
parent f2058c9ecd
commit c1c01d2302
2 changed files with 7 additions and 4 deletions
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9
r5dev/game/shared/ai_utility_shared.cpp
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@ -138,7 +138,10 @@ void CAI_Utility::DrawAIScriptNetwork(
int nNearest = GetNearestNodeToPos(pNetwork, &pScriptNode->m_vOrigin);
if (nNearest != NO_NODE) // NO_NODE = -1
{
auto p = uLinkSet.insert(_mm_extract_epi64(PackNodeLink(i, nNearest), 1));
shortx8 packedLinks = PackNodeLink(i, nNearest);
packedLinks = _mm_srli_si128(packedLinks, 8); // Only the upper 64bits are used.
auto p = uLinkSet.insert(reinterpret_cast<int64_t&>(packedLinks));
if (p.second) // Only render if link hasn't already been rendered.
{
const CAI_ScriptNode* pNearestNode = &pNetwork->m_ScriptNode[nNearest];
@ -536,9 +539,9 @@ void CAI_Utility::DrawNavMeshPolyBoundaries(const dtNavMesh* pMesh,
// d -
// Output : packed node set as i64x2
//------------------------------------------------------------------------------
__m128i CAI_Utility::PackNodeLink(int32_t a, int32_t b, int32_t c, int32_t d) const
shortx8 CAI_Utility::PackNodeLink(int32_t a, int32_t b, int32_t c, int32_t d) const
{
__m128i xResult = _mm_set_epi32(a, b, c, d);
shortx8 xResult = _mm_set_epi32(a, b, c, d);
// We shuffle a b and c d if following condition is met, this is to
// ensure we always end up with one possible combination of indices.

2
r5dev/game/shared/ai_utility_shared.h
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@ -57,7 +57,7 @@ public:
const int nTileRange,
const bool bDepthBuffer) const;
__m128i PackNodeLink(int32_t a, int32_t b, int32_t c = 0, int32_t d = 0) const;
shortx8 PackNodeLink(int32_t a, int32_t b, int32_t c = 0, int32_t d = 0) const;
int GetNearestNodeToPos(const CAI_Network* pAINetwork, const Vector3D* vec) const;
bool IsTileWithinRange(const dtMeshTile* pTile, const VPlane& vPlane, const Vector3D& vCamera, const float flCameraRadius) const;