private void LoadDefaultParameters()
{
var shaderParameters = defaultParameters; // Default Parameters contains all registered Parameters used effectively by the effect
var constantBufferKeys = new Dictionary <string, ParameterKey <ParameterConstantBuffer> >();
// Create parameter bindings
for (int i = 0; i < resourceBindings.Length; i++)
{
// Update binding key
var key = UpdateResourceBindingKey(ref resourceBindings[i].Description);
// ConstantBuffers are handled by next loop
if (resourceBindings[i].Description.Param.Class != EffectParameterClass.ConstantBuffer)
{
shaderParameters.RegisterParameter(key, false);
}
}
// Create constant buffers from descriptions (previously generated from shader reflection)
foreach (var constantBuffer in reflection.ConstantBuffers)
{
var constantBufferMembers = constantBuffer.Members;
for (int i = 0; i < constantBufferMembers.Length; ++i)
{
// Update binding key
var key = UpdateValueBindingKey(ref constantBufferMembers[i]);
// Register ParameterKey with this effect and store its index for direct access during rendering
shaderParameters.RegisterParameter(key, false);
}
// Handle ConstantBuffer. Share the same key ParameterConstantBuffer with all the stages
var parameterConstantBuffer = new ParameterConstantBuffer(graphicsDeviceDefault, constantBuffer.Name, constantBuffer);
var constantBufferKey = ParameterKeys.New(parameterConstantBuffer, constantBuffer.Name);
shaderParameters.RegisterParameter(constantBufferKey, false);
for (int i = 0; i < resourceBindings.Length; i++)
{
if (resourceBindings[i].Description.Param.Class == EffectParameterClass.ConstantBuffer && resourceBindings[i].Description.Param.Key.Name == constantBuffer.Name)
{
resourceBindings[i].Description.Param.Key = constantBufferKey;
}
}
// Update constant buffer mapping (to avoid name clashes)
constantBufferKeys[constantBuffer.Name] = constantBufferKey;
}
UpdateKeyIndices();
// Once we have finished binding, we can fully prepare them
graphicsDeviceDefault.StageStatus.PrepareBindings(resourceBindings);
}
public override object ConvertFrom(ref ObjectContext objectContext, Scalar fromScalar)
{
var parameterKey = ParameterKeys.FindByName(fromScalar.Value);
if (parameterKey == null)
{
parameterKey = ParameterKeys.New <object>(null, fromScalar.Value);
// Dont' throw an exception if keys was not found
//throw new YamlException(fromScalar.Start, fromScalar.End, "Unable to find registered ParameterKey [{0}]".ToFormat(fromScalar.Value));
}
return(parameterKey);
}
static TransformationKeys()
{
View = ParameterKeys.New(Matrix.Identity);
Projection = ParameterKeys.New(Matrix.Identity);
World = ParameterKeys.New(Matrix.Identity);
ViewProjection = ParameterKeys.NewDynamic(ParameterDynamicValue.New <Matrix, Matrix, Matrix>(View, Projection, Matrix.MultiplyRef));
WorldView = ParameterKeys.NewDynamic(ParameterDynamicValue.New <Matrix, Matrix, Matrix>(World, View, Matrix.MultiplyRef));
WorldViewProjection = ParameterKeys.NewDynamic(ParameterDynamicValue.New <Matrix, Matrix, Matrix>(World, ViewProjection, Matrix.MultiplyRef));
ProjScreenRay = ParameterKeys.NewDynamic(ParameterDynamicValue.New <Vector2, Matrix>(Projection, ExtractProjScreenRay));
Eye = ParameterKeys.NewDynamic(ParameterDynamicValue.New <Vector4, Matrix>(View, ViewToEye));
EyeMS = ParameterKeys.NewDynamic(ParameterDynamicValue.New <Vector4, Matrix>(WorldView, WorldViewToEyeMS));
WorldInverse = ParameterKeys.NewDynamic(ParameterDynamicValue.New <Matrix, Matrix>(World, InvertMatrix));
ViewInverse = ParameterKeys.NewDynamic(ParameterDynamicValue.New <Matrix, Matrix>(View, InvertMatrix));
WorldViewInverse = ParameterKeys.NewDynamic(ParameterDynamicValue.New <Matrix, Matrix>(WorldView, InvertMatrix));
}
static ImageScalerShaderKeys()
{
// Default value of 1.0f
Color = ParameterKeys.New(Color4.White);
}
private ParameterKey FindOrCreateValueKey <T>(EffectParameterValueData binding) where T : struct
{
var name = binding.Param.KeyName;
return(ParameterKeys.FindByName(name) ?? (binding.Count > 1 ? (ParameterKey)ParameterKeys.New <T[]>(name) : ParameterKeys.New <T>(name)));
}
private ParameterKey FindOrCreateResourceKey <T>(string name)
{
return(ParameterKeys.FindByName(name) ?? ParameterKeys.New <T>(name));
}
static SpriteBaseKeys()
{
MatrixTransform = ParameterKeys.New(Matrix.Identity);
}
