internal void ValidateIndices(VALIDATIONCTX result, uint vertexCount, PrimitiveType drawingType)
{
result = result.GetContext(this);
SourceBufferView.ValidateBufferUsageGPU(result, BufferMode.ELEMENT_ARRAY_BUFFER);
result.CheckLinkMustBeAnyOf(nameof(Normalized), Normalized, false);
result.CheckLinkMustBeAnyOf(nameof(Encoding), Encoding, EncodingType.UNSIGNED_BYTE, EncodingType.UNSIGNED_SHORT, EncodingType.UNSIGNED_INT);
result.CheckLinkMustBeAnyOf(nameof(Dimensions), Dimensions, DimensionType.SCALAR);
uint restart_value = 0xff;
if (this.Encoding == EncodingType.UNSIGNED_SHORT)
{
restart_value = 0xffff;
}
if (this.Encoding == EncodingType.UNSIGNED_INT)
{
restart_value = 0xffffffff;
}
var indices = this.AsIndicesArray();
for (int i = 0; i < indices.Count; ++i)
{
result.CheckVertexIndex(i, indices[i], vertexCount, restart_value);
}
}
private void _ValidateNormals(VALIDATIONCTX result)
{
result = result.GetContext(this);
SourceBufferView.ValidateBufferUsageGPU(result, BufferMode.ARRAY_BUFFER);
result.CheckLinkMustBeAnyOf(nameof(Dimensions), Dimensions, DimensionType.VEC3);
if (!this.LogicalParent.MeshQuantizationAllowed)
{
result.CheckLinkMustBeAnyOf(nameof(Normalized), Normalized, false);
result.CheckLinkMustBeAnyOf(nameof(Encoding), Encoding, EncodingType.FLOAT);
}
else
{
if (Normalized)
{
result.CheckLinkMustBeAnyOf(nameof(Encoding), Encoding, EncodingType.BYTE, EncodingType.SHORT);
}
else
{
result.CheckLinkMustBeAnyOf(nameof(Encoding), Encoding, EncodingType.FLOAT);
}
}
var normals = this.AsVector3Array();
for (int i = 0; i < normals.Count; ++i)
{
if (result.TryFixUnitLengthOrError(i, normals[i]))
{
normals[i] = normals[i].SanitizeNormal();
}
}
}
private void _ValidateWeights(VALIDATIONCTX result)
{
result = result.GetContext(this);
SourceBufferView.ValidateBufferUsageGPU(result, BufferMode.ARRAY_BUFFER);
result.CheckLinkMustBeAnyOf(nameof(Encoding), Encoding, EncodingType.UNSIGNED_BYTE, EncodingType.UNSIGNED_SHORT, EncodingType.FLOAT);
result.CheckLinkMustBeAnyOf(nameof(Dimensions), Dimensions, DimensionType.VEC4);
}
private void _ValidateWeights(VALIDATIONCTX validate)
{
validate = validate.GetContext(this);
SourceBufferView.ValidateBufferUsageGPU(validate, BufferMode.ARRAY_BUFFER);
validate.IsAnyOf(nameof(Format), Format, (DimensionType.VEC4, EncodingType.UNSIGNED_BYTE, true), (DimensionType.VEC4, EncodingType.UNSIGNED_SHORT, true), DimensionType.VEC4);
}
private void ValidateBounds(VALIDATIONCTX result)
{
result = result.GetContext(this);
if (_min.Count != _max.Count)
{
result.AddDataError("Max", $"Min and Max bounds dimension mismatch Min:{_min.Count} Max:{_max.Count}");
}
if (_min.Count == 0 && _max.Count == 0)
{
return;
}
var dimensions = this.Dimensions.DimCount();
if (_min.Count != dimensions)
{
result.AddLinkError("Min", $"size mismatch; expected {dimensions} but found {_min.Count}"); return;
}
if (_max.Count != dimensions)
{
result.AddLinkError("Max", $"size mismatch; expected {dimensions} but found {_max.Count}"); return;
}
for (int i = 0; i < _min.Count; ++i)
{
// if (_min[i] > _max[i]) result.AddError(this, $"min[{i}] is larger than max[{i}]");
}
if (this.Encoding != EncodingType.FLOAT)
{
return;
}
var current = new float[dimensions];
var minimum = this._min.ConvertAll(item => (float)item);
var maximum = this._max.ConvertAll(item => (float)item);
var array = new MultiArray(this.SourceBufferView.Content, this.ByteOffset, this.Count, this.SourceBufferView.ByteStride, dimensions, this.Encoding, false);
for (int i = 0; i < array.Count; ++i)
{
array.CopyItemTo(i, current);
for (int j = 0; j < current.Length; ++j)
{
var v = current[j];
// if (!v._IsFinite()) result.AddError(this, $"Item[{j}][{i}] is not a finite number: {v}");
var min = minimum[j];
var max = maximum[j];
// if (v < min || v > max) result.AddError(this, $"Item[{j}][{i}] is out of bounds. {min} <= {v} <= {max}");
}
}
}
private static void _ValidateWeights(VALIDATIONCTX result, Accessor weights0, Accessor weights1)
{
weights0?._ValidateWeights(result);
weights1?._ValidateWeights(result);
var memory0 = weights0?._GetMemoryAccessor("WEIGHTS_0");
var memory1 = weights1?._GetMemoryAccessor("WEIGHTS_1");
MemoryAccessor.ValidateWeightsSum(result, memory0, memory1);
}
private void _ValidateJoints(VALIDATIONCTX validate, string attributeName, int skinsMaxJointCount)
{
validate = validate.GetContext(this);
SourceBufferView.ValidateBufferUsageGPU(validate, BufferMode.ARRAY_BUFFER);
validate
.IsAnyOf(nameof(Format), Format, (DimensionType.VEC4, EncodingType.UNSIGNED_BYTE), (DimensionType.VEC4, EncodingType.UNSIGNED_SHORT), DimensionType.VEC4)
.AreJoints(attributeName, this.AsVector4Array(), skinsMaxJointCount);
}
private static void _ValidateWeights(VALIDATIONCTX validate, Accessor weights0, Accessor weights1)
{
weights0?._ValidateWeights(validate);
weights1?._ValidateWeights(validate);
var memory0 = weights0?._GetMemoryAccessor("WEIGHTS_0");
var memory1 = weights1?._GetMemoryAccessor("WEIGHTS_1");
validate.That(() => MemoryAccessor.VerifyWeightsSum(memory0, memory1));
}
protected override void OnValidateReferences(VALIDATIONCTX validate)
{
base.OnValidateReferences(validate);
validate
.IsDefined(nameof(_bufferView), _bufferView)
.NonNegative(nameof(_byteOffset), _byteOffset)
.IsGreaterOrEqual(nameof(_count), _count, _countMinimum)
.IsNullOrIndex(nameof(_bufferView), _bufferView, this.LogicalParent.LogicalBufferViews);
}
protected override void OnValidateContent(VALIDATIONCTX validate)
{
base.OnValidateContent(validate);
BufferView.VerifyAccess(validate, this.SourceBufferView, this.ByteOffset, this.Format, this.Count);
validate.That(() => MemoryAccessor.VerifyAccessorBounds(_GetMemoryAccessor(), _min, _max));
// at this point we don't know which kind of data we're accessing, so it's up to the components
// using this accessor to validate the data.
}
internal void ValidateIndices(VALIDATIONCTX validate, uint vertexCount, PrimitiveType drawingType)
{
validate = validate.GetContext(this);
SourceBufferView.ValidateBufferUsageGPU(validate, BufferMode.ELEMENT_ARRAY_BUFFER);
validate.IsAnyOf("Format", Format, (DimensionType.SCALAR, EncodingType.UNSIGNED_BYTE), (DimensionType.SCALAR, EncodingType.UNSIGNED_SHORT), (DimensionType.SCALAR, EncodingType.UNSIGNED_INT));
validate.AreEqual(nameof(SourceBufferView.ByteStride), SourceBufferView.ByteStride, 0); // "bufferView.byteStride must not be defined for indices accessor.";
validate.That(() => MemoryAccessor.VerifyVertexIndices(_GetMemoryAccessor(), vertexCount));
}
protected override void OnValidateReferences(VALIDATIONCTX result)
{
base.OnValidateReferences(result);
result.CheckSchemaIsDefined("BufferView", _bufferView);
result.CheckArrayIndexAccess("BufferView", _bufferView, this.LogicalParent.LogicalBufferViews);
result.CheckSchemaNonNegative("ByteOffset", _byteOffset);
result.CheckSchemaIsInRange("Count", _count, _countMinimum, int.MaxValue);
_sparse?.ValidateReferences(result);
}
protected override void OnValidate(VALIDATIONCTX result)
{
base.OnValidate(result);
_sparse?.Validate(result);
BufferView.CheckAccess(result, this.SourceBufferView, this.ByteOffset, this.Dimensions, this.Encoding, this.Normalized, this.Count);
ValidateBounds(result);
// at this point we don't know which kind of data we're accessing, so it's up to the components
// using this accessor to validate the data.
}
internal void ValidateMatrices(VALIDATIONCTX result)
{
result = result.GetContext(this);
SourceBufferView.ValidateBufferUsagePlainData(result);
result.CheckLinkMustBeAnyOf(nameof(Dimensions), Dimensions, DimensionType.MAT4);
var matrices = this.AsMatrix4x4Array();
for (int i = 0; i < matrices.Count; ++i)
{
result.CheckIsMatrix(i, matrices[i]);
}
}
internal void ValidateMatrices(VALIDATIONCTX validate)
{
validate = validate.GetContext(this);
SourceBufferView.ValidateBufferUsagePlainData(validate);
validate.IsAnyOf(nameof(Format), Format, (DimensionType.MAT4, EncodingType.BYTE, true), (DimensionType.MAT4, EncodingType.SHORT, true), DimensionType.MAT4);
var matrices = this.AsMatrix4x4Array();
for (int i = 0; i < matrices.Count; ++i)
{
validate.IsNullOrMatrix("Matrices", matrices[i]);
}
}
internal static void ValidateVertexAttributes(VALIDATIONCTX result, IReadOnlyDictionary <string, Accessor> attributes, int skinsMaxJointCount)
{
if (result.TryFix)
{
foreach (var kvp in attributes.Where(item => item.Key != "POSITION"))
{
// remove unnecessary bounds
kvp.Value._min.Clear();
kvp.Value._max.Clear();
}
}
if (attributes.TryGetValue("POSITION", out Accessor positions))
{
positions._ValidatePositions(result);
}
else
{
result.AddSemanticWarning("No POSITION attribute found.");
}
if (attributes.TryGetValue("NORMAL", out Accessor normals))
{
normals._ValidateNormals(result);
}
if (attributes.TryGetValue("TANGENT", out Accessor tangents))
{
tangents._ValidateTangents(result);
}
if (normals == null && tangents != null)
{
result.AddSemanticWarning("TANGENT", "attribute without NORMAL found.");
}
if (attributes.TryGetValue("JOINTS_0", out Accessor joints0))
{
joints0._ValidateJoints(result, "JOINTS_0", skinsMaxJointCount);
}
if (attributes.TryGetValue("JOINTS_1", out Accessor joints1))
{
joints0._ValidateJoints(result, "JOINTS_1", skinsMaxJointCount);
}
attributes.TryGetValue("WEIGHTS_0", out Accessor weights0);
attributes.TryGetValue("WEIGHTS_1", out Accessor weights1);
_ValidateWeights(result, weights0, weights1);
}
private void _ValidatePositions(VALIDATIONCTX validate)
{
validate = validate.GetContext(this);
SourceBufferView.ValidateBufferUsageGPU(validate, BufferMode.ARRAY_BUFFER);
if (!this.LogicalParent.MeshQuantizationAllowed)
{
validate.IsAnyOf(nameof(Format), Format, DimensionType.VEC3);
}
else
{
validate.IsAnyOf(nameof(Dimensions), Dimensions, DimensionType.VEC3);
}
validate.ArePositions("POSITION", this.AsVector3Array());
}
private void _ValidatePositions(VALIDATIONCTX result)
{
result = result.GetContext(this);
SourceBufferView.ValidateBufferUsageGPU(result, BufferMode.ARRAY_BUFFER);
result.CheckLinkMustBeAnyOf(nameof(Dimensions), Dimensions, DimensionType.VEC3);
if (!this.LogicalParent.MeshQuantizationAllowed)
{
result.CheckLinkMustBeAnyOf(nameof(Normalized), Normalized, false);
result.CheckLinkMustBeAnyOf(nameof(Encoding), Encoding, EncodingType.FLOAT);
}
var positions = this.AsVector3Array();
for (int i = 0; i < positions.Count; ++i)
{
result.CheckIsFinite(i, positions[i]);
}
}
private void _ValidateJoints(VALIDATIONCTX result, string attributeName, int skinsMaxJointCount)
{
result = result.GetContext(this);
SourceBufferView.ValidateBufferUsageGPU(result, BufferMode.ARRAY_BUFFER);
result.CheckLinkMustBeAnyOf(nameof(Normalized), Normalized, false);
result.CheckLinkMustBeAnyOf(nameof(Encoding), Encoding, EncodingType.UNSIGNED_BYTE, EncodingType.UNSIGNED_SHORT, EncodingType.FLOAT);
result.CheckLinkMustBeAnyOf(nameof(Dimensions), Dimensions, DimensionType.VEC4);
var joints = this.AsVector4Array();
for (int i = 0; i < joints.Count; ++i)
{
var jidx = joints[i];
result.CheckIsFinite(i, jidx);
result.CheckIsInRange(i, jidx, 0, skinsMaxJointCount);
}
}
internal static void ValidateVertexAttributes(VALIDATIONCTX validate, IReadOnlyDictionary <string, Accessor> attributes, int skinsMaxJointCount)
{
if (validate.TryFix)
{
foreach (var kvp in attributes.Where(item => item.Key != "POSITION"))
{
// remove unnecessary bounds
kvp.Value._min.Clear();
kvp.Value._max.Clear();
}
}
if (attributes.TryGetValue("POSITION", out Accessor positions))
{
positions._ValidatePositions(validate);
}
if (attributes.TryGetValue("NORMAL", out Accessor normals))
{
normals._ValidateNormals(validate);
}
if (attributes.TryGetValue("TANGENT", out Accessor tangents))
{
tangents._ValidateTangents(validate);
}
if (attributes.TryGetValue("JOINTS_0", out Accessor joints0))
{
joints0._ValidateJoints(validate, "JOINTS_0", skinsMaxJointCount);
}
if (attributes.TryGetValue("JOINTS_1", out Accessor joints1))
{
joints0._ValidateJoints(validate, "JOINTS_1", skinsMaxJointCount);
}
attributes.TryGetValue("WEIGHTS_0", out Accessor weights0);
attributes.TryGetValue("WEIGHTS_1", out Accessor weights1);
_ValidateWeights(validate, weights0, weights1);
}
private void _ValidateTangents(VALIDATIONCTX result)
{
result = result.GetContext(this);
SourceBufferView.ValidateBufferUsageGPU(result, BufferMode.ARRAY_BUFFER);
result.CheckLinkMustBeAnyOf(nameof(Dimensions), Dimensions, DimensionType.VEC3, DimensionType.VEC4);
if (!this.LogicalParent.MeshQuantizationAllowed)
{
result.CheckLinkMustBeAnyOf(nameof(Normalized), Normalized, false);
result.CheckLinkMustBeAnyOf(nameof(Encoding), Encoding, EncodingType.FLOAT);
}
else
{
if (Normalized)
{
result.CheckLinkMustBeAnyOf(nameof(Encoding), Encoding, EncodingType.BYTE, EncodingType.SHORT);
}
else
{
result.CheckLinkMustBeAnyOf(nameof(Encoding), Encoding, EncodingType.FLOAT);
}
}
// when Dimensions == VEC3, its morph target tangent deltas
if (Dimensions == DimensionType.VEC4)
{
var tangents = this.AsVector4Array();
for (int i = 0; i < tangents.Count; ++i)
{
if (result.TryFixTangentOrError(i, tangents[i]))
{
tangents[i] = tangents[i].SanitizeTangent();
}
}
}
}
private void _ValidateTangents(VALIDATIONCTX validate)
{
validate = validate.GetContext(this);
SourceBufferView.ValidateBufferUsageGPU(validate, BufferMode.ARRAY_BUFFER);
if (!this.LogicalParent.MeshQuantizationAllowed)
{
validate.IsAnyOf(nameof(Format), Format, DimensionType.VEC3, DimensionType.VEC4);
}
else
{
validate.IsAnyOf(nameof(Dimensions), Dimensions, DimensionType.VEC3, DimensionType.VEC4);
}
if (validate.TryFix)
{
if (Dimensions == DimensionType.VEC3)
{
this.AsVector3Array().SanitizeNormals();
}
if (Dimensions == DimensionType.VEC4)
{
this.AsVector4Array().SanitizeTangents();
}
}
if (Dimensions == DimensionType.VEC3)
{
validate.AreNormals("TANGENT", this.AsVector3Array());
}
if (Dimensions == DimensionType.VEC4)
{
validate.AreTangents("TANGENT", this.AsVector4Array());
}
}
internal void ValidateAnimationOutput(VALIDATIONCTX validate)
{
SourceBufferView.ValidateBufferUsagePlainData(validate);
validate.IsAnyOf(nameof(Dimensions), Dimensions, DimensionType.SCALAR, DimensionType.VEC3, DimensionType.VEC4);
}
internal void ValidateAnimationOutput(VALIDATIONCTX result)
{
SourceBufferView.ValidateBufferUsagePlainData(result);
result.CheckLinkMustBeAnyOf(nameof(Dimensions), Dimensions, DimensionType.SCALAR, DimensionType.VEC3, DimensionType.VEC4);
}
