static TestFieldOffsets()
{
var floatField = new TypeStructureField(SpirvTypeBase.Float, "floatField");
var doubleField = new TypeStructureField(SpirvTypeBase.Double, "doubleField");
var intField = new TypeStructureField(SpirvTypeBase.Int, "intField");
var uintField = new TypeStructureField(SpirvTypeBase.UInt, "uintField");
var vec2Field = new TypeStructureField(SpirvTypeBase.Vec2, "vec2Field");
var vec3Field = new TypeStructureField(SpirvTypeBase.Vec3, "vec3Field");
var vec4Field = new TypeStructureField(SpirvTypeBase.Vec4, "vec4Field");
var dvec2Field = new TypeStructureField(SpirvTypeBase.Dvec2, "dvec2Field");
var dvec3Field = new TypeStructureField(SpirvTypeBase.Dvec3, "dvec3Field");
var dvec4Field = new TypeStructureField(SpirvTypeBase.Dvec4, "dvec4Field");
var mat2Field = new TypeStructureField(SpirvTypeBase.Mat2, "mat2Field");
var mat3Field = new TypeStructureField(SpirvTypeBase.Mat3, "mat3Field");
var mat4Field = new TypeStructureField(SpirvTypeBase.Mat4, "mat4Field");
var intArrayField = new TypeStructureField(new TypeArray(SpirvTypeBase.Int, 2), "intArrayField");
marker = new TypeStructureField(SpirvTypeBase.Float, "marker");
WellKnownTypes = new[]
{
floatField, doubleField, intField, uintField, vec2Field, vec3Field, vec4Field, dvec2Field, dvec3Field,
dvec4Field, mat2Field, mat3Field, mat4Field, intArrayField
};
}
public void TestAlignment(TypeStructureField field)
{
var(shaderInstructions, shaders) =
CompileShaderForFieldSet(new TypeStruct("ModelBuffer", marker, field));
var shaderReflection = new ShaderReflection(shaderInstructions);
var structure = shaderReflection.Structures[0];
Assert.AreEqual(structure.Fields[1].ByteOffset, structure.Fields[1].Type.Alignment);
}
private static TypeStruct BuildStructure(params int[] indices)
{
var fields = indices.Select(index => new TypeStructureField(WellKnownTypes[index].Type,
WellKnownTypes[index].Name)).ToArray();
var structure = new TypeStruct("testStruct", fields);
var spirvStructureField = new TypeStructureField(structure,
string.Join("_", structure.Fields.Select(_ => _.Name)));
var endMarker = new TypeStructureField(SpirvTypeBase.Float, "endMarker");
var modelStruct = new TypeStruct("test_" + spirvStructureField.Name, marker,
spirvStructureField, endMarker);
return(modelStruct);
}
public void TestArrayAlignment(TypeStructureField field)
{
if (field.Type.TypeCategory == SpirvTypeCategory.Array)
{
Assert.Ignore("Can't make array of arrays.");
}
var originalArrayType = new TypeArray(field.Type, 2);
var(shaderInstructions, shaders) = CompileShaderForFieldSet(new TypeStruct("ModelBuffer", marker,
new TypeStructureField(originalArrayType, "testArray")));
var shaderReflection = new ShaderReflection(shaderInstructions);
var structure = shaderReflection.Structures[0];
var spirvStructureField = structure.Fields[1];
var arrayType = (TypeArray)spirvStructureField.Type;
Assert.AreEqual(spirvStructureField.ByteOffset, spirvStructureField.Type.Alignment);
Assert.AreEqual(arrayType.ArrayStride, originalArrayType.ArrayStride);
}
