public static Buffer <T> CreateStatic(
GraphicsDevice graphicsDevice,
T[] data,
BufferBindFlags flags)
{
byte[] initialData = StructInteropUtility.ToBytes(data);
return(new Buffer <T>(
graphicsDevice,
SizeOfT,
(uint)data.Length,
flags,
ResourceUsage.Static,
initialData)
{
DebugName = $"Static Array Buffer <{typeof(T).Name}, {flags}>"
});
}
private ModelMeshMaterialPass CreateModelMeshMaterialPassShaderMaterial(
ContentManager contentManager,
W3dMesh w3dMesh,
W3dMaterialPass w3dMaterialPass,
W3dShaderMaterial w3dShaderMaterial,
Effect effect)
{
var texCoords = new MeshVertex.TexCoords[w3dMesh.Header.NumVertices];
if (w3dMaterialPass.TexCoords != null)
{
for (var i = 0; i < texCoords.Length; i++)
{
texCoords[i].UV0 = w3dMaterialPass.TexCoords[i];
}
}
var meshParts = new List <ModelMeshPart>();
// TODO: Extract state properties from shader material.
var rasterizerState = RasterizerStateDescriptionUtility.DefaultFrontIsCounterClockwise;
var depthState = DepthStencilStateDescription.DepthOnlyLessEqual;
var blendState = BlendStateDescription.SingleDisabled;
var material = new ShaderMaterial(contentManager, effect)
{
PipelineState = new EffectPipelineState(
rasterizerState,
depthState,
blendState,
RenderPipeline.GameOutputDescription)
};
var materialConstantsResourceBinding = effect.GetParameter("MaterialConstants").ResourceBinding;
var materialConstantsBuffer = AddDisposable(contentManager.GraphicsDevice.ResourceFactory.CreateBuffer(
new BufferDescription(
materialConstantsResourceBinding.Size,
BufferUsage.UniformBuffer | BufferUsage.Dynamic)));
var materialConstantsBytes = new byte[materialConstantsResourceBinding.Size];
void setMaterialConstant <T>(string name, T value)
where T : struct
{
var constantBufferField = materialConstantsResourceBinding.GetField(name);
var valueBytes = StructInteropUtility.ToBytes(ref value);
if (valueBytes.Length != constantBufferField.Size)
{
throw new InvalidOperationException();
}
Buffer.BlockCopy(
valueBytes,
0,
materialConstantsBytes,
constantBufferField.Offset,
constantBufferField.Size);
}
foreach (var w3dShaderProperty in w3dShaderMaterial.Properties)
{
switch (w3dShaderProperty.PropertyType)
{
case W3dShaderMaterialPropertyType.Texture:
var texture = CreateTexture(contentManager, w3dShaderProperty.StringValue);
material.SetProperty(w3dShaderProperty.PropertyName, texture);
break;
case W3dShaderMaterialPropertyType.Bool:
setMaterialConstant(w3dShaderProperty.PropertyName, w3dShaderProperty.Value.Bool);
break;
case W3dShaderMaterialPropertyType.Color:
setMaterialConstant(w3dShaderProperty.PropertyName, w3dShaderProperty.Value.Color);
break;
case W3dShaderMaterialPropertyType.Float:
setMaterialConstant(w3dShaderProperty.PropertyName, w3dShaderProperty.Value.Float);
break;
case W3dShaderMaterialPropertyType.Vector2:
setMaterialConstant(w3dShaderProperty.PropertyName, w3dShaderProperty.Value.Vector2);
break;
case W3dShaderMaterialPropertyType.Vector3:
setMaterialConstant(w3dShaderProperty.PropertyName, w3dShaderProperty.Value.Vector3);
break;
case W3dShaderMaterialPropertyType.Int:
setMaterialConstant(w3dShaderProperty.PropertyName, w3dShaderProperty.Value.Int);
break;
default:
throw new NotSupportedException();
}
}
contentManager.GraphicsDevice.UpdateBuffer(materialConstantsBuffer, 0, materialConstantsBytes);
material.SetProperty("MaterialConstants", materialConstantsBuffer);
meshParts.Add(new ModelMeshPart(
0,
w3dMesh.Header.NumTris * 3,
material));
return(new ModelMeshMaterialPass(
contentManager.GraphicsDevice,
texCoords,
meshParts));
}
public void SetData(T data)
{
EnsureDynamic();
PlatformSetData(StructInteropUtility.ToBytes(ref data), Marshal.SizeOf <T>());
}
public void SetData(T[] data)
{
EnsureDynamic();
PlatformSetData(StructInteropUtility.ToBytes(data), data.Length * Marshal.SizeOf <T>());
}
public void SetConstant <T>(string name, T value)
where T : struct
{
SetConstant(name, StructInteropUtility.ToBytes(ref value));
}
private ModelMeshMaterialPass CreateModelMeshMaterialPassShaderMaterial(
ContentManager contentManager,
W3dMesh w3dMesh,
W3dMaterialPass w3dMaterialPass,
W3dShaderMaterial w3dShaderMaterial,
Effect effect)
{
var texCoords = new MeshVertex.TexCoords[w3dMesh.Header.NumVertices];
if (w3dMaterialPass.TexCoords != null)
{
for (var i = 0; i < texCoords.Length; i++)
{
texCoords[i].UV0 = w3dMaterialPass.TexCoords[i];
}
}
var meshParts = new List <ModelMeshPart>();
// TODO: Extract state properties from shader material.
var rasterizerState = RasterizerStateDescription.CullBackSolid;
var depthState = DepthStencilStateDescription.Default;
var blendState = BlendStateDescription.Opaque;
var material = new ShaderMaterial(effect);
material.PipelineState = new EffectPipelineState(
rasterizerState,
depthState,
blendState);
var materialConstantsResourceBinding = effect.GetParameter("MaterialConstants").ResourceBinding;
var materialConstantsBuffer = AddDisposable(OpenSage.LowLevel.Graphics3D.Buffer.CreateDynamic(
contentManager.GraphicsDevice,
(uint)materialConstantsResourceBinding.ConstantBufferSizeInBytes,
BufferBindFlags.ConstantBuffer));
var materialConstantsBytes = new byte[materialConstantsResourceBinding.ConstantBufferSizeInBytes];
void setMaterialConstant <T>(string name, T value)
where T : struct
{
var constantBufferField = materialConstantsResourceBinding.GetConstantBufferField(name);
var valueBytes = StructInteropUtility.ToBytes(ref value);
if (valueBytes.Length != constantBufferField.Size)
{
throw new InvalidOperationException();
}
System.Buffer.BlockCopy(
valueBytes,
0,
materialConstantsBytes,
constantBufferField.Offset,
constantBufferField.Size);
}
foreach (var w3dShaderProperty in w3dShaderMaterial.Properties)
{
switch (w3dShaderProperty.PropertyType)
{
case W3dShaderMaterialPropertyType.Texture:
var texture = CreateTexture(contentManager, w3dShaderProperty.StringValue);
material.SetProperty(w3dShaderProperty.PropertyName, texture);
break;
case W3dShaderMaterialPropertyType.Bool:
setMaterialConstant(w3dShaderProperty.PropertyName, w3dShaderProperty.Value.Bool);
break;
case W3dShaderMaterialPropertyType.Color:
setMaterialConstant(w3dShaderProperty.PropertyName, w3dShaderProperty.Value.Color);
break;
case W3dShaderMaterialPropertyType.Float:
setMaterialConstant(w3dShaderProperty.PropertyName, w3dShaderProperty.Value.Float);
break;
case W3dShaderMaterialPropertyType.Vector2:
setMaterialConstant(w3dShaderProperty.PropertyName, w3dShaderProperty.Value.Vector2);
break;
case W3dShaderMaterialPropertyType.Vector3:
setMaterialConstant(w3dShaderProperty.PropertyName, w3dShaderProperty.Value.Vector3);
break;
case W3dShaderMaterialPropertyType.Int:
setMaterialConstant(w3dShaderProperty.PropertyName, w3dShaderProperty.Value.Int);
break;
default:
throw new NotSupportedException();
}
}
materialConstantsBuffer.SetData(materialConstantsBytes);
material.SetProperty("MaterialConstants", materialConstantsBuffer);
meshParts.Add(new ModelMeshPart(
0,
w3dMesh.Header.NumTris * 3,
material));
return(new ModelMeshMaterialPass(
contentManager.GraphicsDevice,
texCoords,
meshParts));
}