public static uint Encode(PerVertexDefinition def)
{
uint finalResult = ((uint)def.Position);
finalResult |= ((uint)def.Normal) << 3;
finalResult |= ((uint)def.Tangent) << 5;
finalResult |= ((uint)def.TexCoords0) << 7;
finalResult |= ((uint)def.TexCoords1) << 12;
finalResult |= ((uint)def.Color0) << 16;
finalResult |= ((uint)def.Color1) << 19;
finalResult |= ((uint)def.Joints0) << 22;
finalResult |= ((uint)def.Joints1) << 24;
finalResult |= ((uint)def.Weights0) << 26;
finalResult |= ((uint)def.Weights1) << 28;
finalResult |= ((uint)def.IndexType) << 30;
return(finalResult);
}
private MgPipelineVertexInputStateCreateInfo GenerateVertexInputState(PerVertexDefinition definition)
{
PerVertexStrideInfo[] strides = new PerVertexStrideInfo[]
{
GetPositionStride(definition.Position), // 0
GetNormalStride(definition.Normal), // 1
GetTangentStride(definition.Tangent), // 2
GetTexCoordsStride(definition.TexCoords0), // 3
GetTexCoordsStride(definition.TexCoords1), // 4
GetColorStride(definition.Color0), // 5
GetJointsStride(definition.Joints0), // 6
GetWeightsStride(definition.Weights0), // 7
GetColorStride(definition.Color1), // 8
GetJointsStride(definition.Joints1), // 9
GetWeightsStride(definition.Weights1), // 10
};
var attributes = new List <MgVertexInputAttributeDescription>();
var perVertexStride = 0U;
var location = 0U;
foreach (var stride in strides)
{
if (stride.Range > 0)
{
var attribute = new MgVertexInputAttributeDescription
{
Binding = 0U,
Format = stride.Format,
Location = location,
Offset = perVertexStride,
};
location += 1;
attributes.Add(attribute);
}
perVertexStride += stride.Range;
}
var perInstanceStride = (uint)Marshal.SizeOf(typeof(PerInstance));
IncludePerInstanceAttributes(attributes);
return(new MgPipelineVertexInputStateCreateInfo
{
VertexBindingDescriptions = new[]
{
new MgVertexInputBindingDescription
{
Binding = 0U,
InputRate = MgVertexInputRate.VERTEX,
Stride = perVertexStride,
},
new MgVertexInputBindingDescription
{
Binding = 1U,
InputRate = MgVertexInputRate.INSTANCE,
Stride = perInstanceStride,
},
},
VertexAttributeDescriptions = attributes.ToArray(),
});
}
public PerVertexInputPipelineState(PerVertexDefinition definition)
{
VertexMask = PerVertexDefinitionEncoder.Encode(definition);
VertexInputState = GenerateVertexInputState(definition);
}
