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Add support for GPU skinning (WIP)

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This commit is contained in:
SirLynix
2022-04-18 19:10:34 +02:00
committed by Jérôme Leclercq
parent 5d8ecd11df
commit 104f60f3e7
22 changed files with 667 additions and 141 deletions
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46
src/Nazara/Utility/AlgorithmUtility.cpp
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@@ -1067,33 +1067,43 @@ namespace Nz
void SkinPosition(const SkinningData& skinningInfos, UInt64 startVertex, UInt64 vertexCount)
{
const SkeletalMeshVertex* inputVertex = &skinningInfos.inputVertex[startVertex];
MeshVertex* outputVertex = &skinningInfos.outputVertex[startVertex];
NazaraAssert(skinningInfos.inputJointIndices, "missing input joint indices");
NazaraAssert(skinningInfos.inputJointWeights, "missing input joint weights");
UInt64 endVertex = startVertex + vertexCount - 1;
for (UInt64 i = startVertex; i <= endVertex; ++i)
if (skinningInfos.outputPositions)
{
Vector3f finalPosition(Vector3f::Zero());
NazaraAssert(skinningInfos.inputPositions, "missing input positions");
NazaraAssert(skinningInfos.joints, "missing skeleton joints");
for (Int32 j = 0; j < inputVertex->weightCount; ++j)
for (UInt64 i = startVertex; i <= endVertex; ++i)
{
Matrix4f mat(skinningInfos.joints[inputVertex->jointIndexes[j]].GetSkinningMatrix());
mat *= inputVertex->weights[j];
Vector3f finalPosition(Vector3f::Zero());
finalPosition += mat.Transform(inputVertex->position);
for (Int32 j = 0; j < 4; ++j)
{
Matrix4f mat(skinningInfos.joints[skinningInfos.inputJointIndices[i][j]].GetSkinningMatrix());
mat *= skinningInfos.inputJointWeights[i][j];
finalPosition += mat.Transform(skinningInfos.inputPositions[i]);
}
skinningInfos.outputPositions[i] = finalPosition;
}
}
outputVertex->position = finalPosition;
outputVertex->uv = inputVertex->uv;
if (skinningInfos.outputUv)
{
NazaraAssert(skinningInfos.inputUv, "missing input uv");
inputVertex++;
outputVertex++;
for (UInt64 i = startVertex; i <= endVertex; ++i)
skinningInfos.outputUv[i] = skinningInfos.inputUv[i];
}
}
void SkinPositionNormal(const SkinningData& skinningInfos, UInt64 startVertex, UInt64 vertexCount)
{
const SkeletalMeshVertex* inputVertex = &skinningInfos.inputVertex[startVertex];
/*const SkeletalMeshVertex* inputVertex = &skinningInfos.inputVertex[startVertex];
MeshVertex* outputVertex = &skinningInfos.outputVertex[startVertex];
UInt64 endVertex = startVertex + vertexCount - 1;
@@ -1102,7 +1112,7 @@ namespace Nz
Vector3f finalPosition(Vector3f::Zero());
Vector3f finalNormal(Vector3f::Zero());
for (Int32 j = 0; j < inputVertex->weightCount; ++j)
for (Int32 j = 0; j < 4; ++j)
{
Matrix4f mat(skinningInfos.joints[inputVertex->jointIndexes[j]].GetSkinningMatrix());
mat *= inputVertex->weights[j];
@@ -1119,12 +1129,12 @@ namespace Nz
inputVertex++;
outputVertex++;
}
}*/
}
void SkinPositionNormalTangent(const SkinningData& skinningInfos, UInt64 startVertex, UInt64 vertexCount)
{
const SkeletalMeshVertex* inputVertex = &skinningInfos.inputVertex[startVertex];
/*const SkeletalMeshVertex* inputVertex = &skinningInfos.inputVertex[startVertex];
MeshVertex* outputVertex = &skinningInfos.outputVertex[startVertex];
UInt64 endVertex = startVertex + vertexCount - 1;
@@ -1134,7 +1144,7 @@ namespace Nz
Vector3f finalNormal(Vector3f::Zero());
Vector3f finalTangent(Vector3f::Zero());
for (int j = 0; j < inputVertex->weightCount; ++j)
for (int j = 0; j < 4; ++j)
{
Matrix4f mat(skinningInfos.joints[inputVertex->jointIndexes[j]].GetSkinningMatrix());
mat *= inputVertex->weights[j];
@@ -1154,6 +1164,6 @@ namespace Nz
inputVertex++;
outputVertex++;
}
}*/
}
}