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#include "UnityPrefix.h"
#include "Configuration/UnityConfigure.h"
#if ENABLE_UNIT_TESTS && UNITY_SUPPORTS_SSE && !UNITY_64
#include "Runtime/Filters/Mesh/MeshSkinning.h"
#include "External/UnitTest++/src/UnitTest++.h"
#include "Runtime/Allocator/MemoryMacros.h"
#include "Runtime/Math/Random/rand.h"
#include "Runtime/Math/Matrix4x4.h"
bool SkinMeshOptimizedSSE2(SkinMeshInfo& info);
void SkinMesh(SkinMeshInfo& info);
Vector3f RandomVector3InUnitBox(Rand& rnd)
{
return Vector3f(rnd.GetSignedFloat(),
rnd.GetSignedFloat(),
rnd.GetSignedFloat());
}
SUITE (MeshSkinningTests)
{
TEST(MeshSkinning_AllFeatures)
{
int failedPositions = 0;
int failedNormals = 0;
int failedTangents = 0;
int failedTangentSigns = 0;
int failedVertexCopies = 0;
const int minVertices = 1;
const int maxVertices = 100;
const int positionSize = 3*sizeof(float);
const int normalSize = 3*sizeof(float);
const int tangentSize = 4*sizeof(float);
const int maxStride = positionSize + normalSize + tangentSize;
const int trailingBytes = 128;
UInt8 inVertices[maxVertices * maxStride];
UInt8 outVerticesRef[maxVertices * maxStride + trailingBytes];
UInt8 outVerticesSimd[maxVertices * maxStride + trailingBytes];
SkinMeshInfo info;
memset(&info, 0, sizeof(info));
info.inVertices = inVertices;
info.vertexCount = minVertices;
info.normalOffset = positionSize;
info.tangentOffset = positionSize + normalSize;
// Try a large offset so AABBs don't contain (0,0,0)
Vector3f posOffset(-2000, 0, 2000);
const int numBones = 64;
Matrix4x4f *cachedPose;
ALLOC_TEMP_ALIGNED(cachedPose, Matrix4x4f, numBones, 32);
info.cachedPose = cachedPose;
for (int i = 0; i < numBones; i++)
{
Matrix4x4f mat;
mat.SetScale(Vector3f(1.0 + 0.5f*sin(i*0.3f),
1.0 + 0.5f*sin(i*0.5f),
1.0 + 0.5f*sin(i*0.7f)));
mat.SetPosition(Vector3f(100.0f*sin(i*1.0f),
100.0f*sin(i*2.5f),
100.0f*sin(i*3.3f)) + posOffset);
cachedPose[i] = mat;
}
info.boneCount = numBones;
Rand rnd(123);
int boneIndices[maxVertices];
BoneInfluence2 boneInfl2[maxVertices];
BoneInfluence boneInfl4[maxVertices];
for (int i = 0; i < maxVertices; i++)
{
boneIndices[i] = i%numBones;
BoneInfluence2& b2 = boneInfl2[i];
b2.boneIndex[0] = (i)%numBones;
b2.boneIndex[1] = (i/2+10)%numBones;
b2.weight[0] = rnd.GetFloat();
b2.weight[1] = 1.0f - b2.weight[0];
BoneInfluence& b4 = boneInfl4[i];
b4.boneIndex[0] = (i)%numBones;
b4.boneIndex[1] = (i/2+10)%numBones;
b4.boneIndex[2] = (i/3+20)%numBones;
b4.boneIndex[3] = (i/4+30)%numBones;
float weightLeft = 1.0f;
for (int j=0; j<3; j++)
{
b4.weight[j] = weightLeft * rnd.GetFloat();
weightLeft -= b4.weight[j];
}
b4.weight[3] = weightLeft;
}
for (info.bonesPerVertex = 1; info.bonesPerVertex <= 4; info.bonesPerVertex++)
{
if (info.bonesPerVertex == 3) continue;
switch (info.bonesPerVertex)
{
case 1:
info.compactSkin = boneIndices;
break;
case 2:
info.compactSkin = boneInfl2;
break;
case 4:
info.compactSkin = boneInfl4;
break;
}
for (int skinNormals = 0; skinNormals <= 1; skinNormals++)
{
info.skinNormals = (skinNormals != 0);
for (int skinTangents = 0; skinTangents <= 1; skinTangents++)
{
if (!skinNormals && skinTangents) continue;
info.skinTangents = (skinTangents != 0);
// Randomize vertex count and stride
info.vertexCount += 7;
while (info.vertexCount > maxVertices) info.vertexCount -= (maxVertices - minVertices);
info.inStride = positionSize;
info.inStride += skinNormals ? normalSize : 0;
info.inStride += skinTangents ? tangentSize : 0;
info.outStride = info.inStride;
UInt8* inVert = inVertices;
for (int i = 0; i < info.vertexCount; i++)
{
Vector3f* nextVec = (Vector3f*)inVert;
Vector3f pos = RandomVector3InUnitBox(rnd);
pos *= 1000.0f;
*nextVec++ = pos;
if (info.skinNormals)
{
Vector3f normal = RandomVector3InUnitBox(rnd);
normal = NormalizeSafe(normal);
*nextVec++ = normal;
}
if (info.skinTangents)
{
Vector3f tangent = RandomVector3InUnitBox(rnd);
tangent = NormalizeSafe(tangent);
*nextVec++ = tangent;
float* tangentSign = (float*)nextVec;
*tangentSign = (rnd.GetSignedFloat() < 0.0f) ? -1.0f : 1.0f;
}
inVert += info.inStride;
}
int outSize = info.vertexCount * info.outStride;
memset(outVerticesRef, 0xcc, outSize + trailingBytes);
memset(outVerticesSimd, 0xdd, outSize + trailingBytes);
info.outVertices = outVerticesRef;
SkinMesh(info);
info.outVertices = outVerticesSimd;
bool successSimd = SkinMeshOptimizedSSE2(info);
CHECK(successSimd);
// Check if we wrote past end of buffer
for (int i = 0; i < trailingBytes; i++)
{
CHECK_EQUAL(0xcc, outVerticesRef[outSize + i]);
CHECK_EQUAL(0xdd, outVerticesSimd[outSize + i]);
}
inVert = inVertices;
UInt8* vertRef = outVerticesRef;
UInt8* vertSimd = outVerticesSimd;
for (int i = 0; i < info.vertexCount; i++)
{
Vector3f* posRef = (Vector3f*)vertRef;
Vector3f* posSimd = (Vector3f*)vertRef;
if (!CompareApproximately(*posRef, *posSimd))
{
failedPositions++;
}
if (info.skinNormals)
{
Vector3f* normalRef = (Vector3f*)(vertRef + info.normalOffset);
Vector3f* normalSimd = (Vector3f*)(vertRef + info.normalOffset);
if (!CompareApproximately(*normalRef, *normalSimd))
{
failedNormals++;
}
}
if (info.skinTangents)
{
Vector3f* tangentRef = (Vector3f*)(vertRef + info.tangentOffset);
Vector3f* tangentSimd = (Vector3f*)(vertRef + info.tangentOffset);
if (!CompareApproximately(*tangentRef, *tangentSimd))
{
failedTangents++;
}
float* tangentSignRef = (float*)(vertRef + info.tangentOffset + sizeof(Vector3f));
float* tangentSignSimd = (float*)(vertRef + info.tangentOffset + sizeof(Vector3f));
if (*tangentSignRef != *tangentSignSimd)
{
failedTangentSigns++;
}
}
inVert += info.inStride;
vertRef += info.outStride;
vertSimd += info.outStride;
}
}
}
}
CHECK_EQUAL(0, failedPositions);
CHECK_EQUAL(0, failedNormals);
CHECK_EQUAL(0, failedTangents);
CHECK_EQUAL(0, failedTangentSigns);
CHECK_EQUAL(0, failedVertexCopies);
}
}
#endif
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