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More memory fixes

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This commit is contained in:
Grant Bagwell 2021-02-18 18:45:52 +01:00
parent 7c699d07c5
commit 20abf08dd0
1 changed files with 24 additions and 2 deletions
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26
Projects/Android/jni/d3es-multithread-master/neo/renderer/Model_md5.cpp
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@ -235,13 +235,27 @@ void idMD5Mesh::ParseMesh( idLexer &parser, int numJoints, const idJointMat *joi
// build the information that will be common to all animations of this mesh:
// silhouette edge connectivity and normal / tangent generation information
//
idDrawVert *verts = (idDrawVert *) _alloca16( texCoords.Num() * sizeof( idDrawVert ) );
//GB Check there are not too many verts
// DG: windows only has a 1MB stack and it could happen that we try to allocate >1MB here
// (in lost mission mod, game/le_hell map), causing a stack overflow
// to prevent that, use heap allocation if it's >600KB
size_t allocaSize = texCoords.Num() * sizeof( idDrawVert );
idDrawVert *verts;
if(allocaSize < 600000)
verts = (idDrawVert *) _alloca16( allocaSize );
else
verts = (idDrawVert *) Mem_Alloc16( allocaSize );
for ( i = 0; i < texCoords.Num(); i++ ) {
verts[i].Clear();
verts[i].st = texCoords[i];
}
TransformVerts( verts, joints );
deformInfo = R_BuildDeformInfo( texCoords.Num(), verts, tris.Num(), tris.Ptr(), shader->UseUnsmoothedTangents() );
if(allocaSize >= 600000)
Mem_Free16( verts );
}
/*
@ -352,12 +366,20 @@ idMD5Mesh::CalcBounds
*/
idBounds idMD5Mesh::CalcBounds( const idJointMat *entJoints ) {
idBounds bounds;
idDrawVert *verts = (idDrawVert *) _alloca16( texCoords.Num() * sizeof( idDrawVert ) );
idDrawVert *verts;
size_t allocaSize = texCoords.Num() * sizeof( idDrawVert );
if(allocaSize < 600000)
verts = (idDrawVert *) _alloca16( allocaSize );
else
verts = (idDrawVert *) Mem_Alloc16( allocaSize );
TransformVerts( verts, entJoints );
SIMDProcessor->MinMax( bounds[0], bounds[1], verts, texCoords.Num() );
if(allocaSize >= 600000)
Mem_Free16( verts );
return bounds;
}