/// <summary>
/// Creates a new effect implementation.
/// </summary>
/// <param name="shaderByteCode">Compiled shader byte code.</param>
/// <returns>
/// Effect implementation
/// </returns>
public EffectImplementation CreateEffectImplementation(byte[] shaderByteCode)
{
D3D10EffectImplementation impl = new D3D10EffectImplementation(_renderer, shaderByteCode, "fx_4_0", D3DC.ShaderFlags.None, D3DC.EffectFlags.None);
SetGraphicsID(impl);
return(impl);
}
internal D3D10EffectTechnique Clone(D3D.EffectTechnique tech, D3D10EffectImplementation parent)
{
D3D10EffectTechnique clone = new D3D10EffectTechnique(parent, tech);
clone._passes = _passes.Clone(tech);
return(clone);
}
/// <summary>
/// Clones the technique collection with the new effect instance
/// and the new parent implementation.
/// </summary>
/// <param name="effect">The D3D10 effect.</param>
/// <param name="parent">The D3D10 implementation.</param>
/// <returns></returns>
internal D3D10EffectTechniqueCollection Clone(D3D.Effect effect, D3D10EffectImplementation parent)
{
D3D10EffectTechniqueCollection clone = new D3D10EffectTechniqueCollection();
for (int i = 0; i < Count; i++)
{
clone.Add(_techniques[i].Clone(effect.GetTechniqueByIndex(i), parent));
}
return(clone);
}
/// <summary>
/// Creates a new instance of <see cref="D3D10EffectPass"/>.
/// </summary>
/// <param name="parent">The implementation parent.</param>
/// <param name="effect">The D3D10 effect so we can query for variables.</param>
/// <param name="pass">The D3D10 pass.</param>
internal D3D10EffectPass(D3D10EffectImplementation parent, D3D.Effect effect, D3D.EffectPass pass)
{
_pass = pass;
_renderer = parent.Renderer;
D3D.EffectPassDescription desc = pass.Description;
_name = desc.Name;
_layoutMap = new InputLayoutMap(_renderer, desc.Signature);
//Fetch annotations
int annoCount = desc.AnnotationCount;
_annotations = new D3D10EffectAnnotationCollection();
for (int i = 0; i < annoCount; i++)
{
D3D.EffectVariable anno = _pass.GetAnnotationByIndex(i);
D3D.EffectVariableDescription annoDesc = anno.Description;
D3D.EffectVariable annoVar = anno.AsString();
if (annoVar != null)
{
_annotations.Add(new D3D10EffectAnnotation(annoVar, annoDesc.Name, annoDesc.Semantic, EffectParameterClass.Object, EffectParameterType.String));
continue;
}
annoVar = anno.AsScalar();
if (annoVar != null)
{
_annotations.Add(new D3D10EffectAnnotation(annoVar, annoDesc.Name, annoDesc.Semantic, EffectParameterClass.Scalar, EffectParameterType.Unknown));
continue;
}
annoVar = anno.AsMatrix();
if (annoVar != null)
{
_annotations.Add(new D3D10EffectAnnotation(annoVar, annoDesc.Name, annoDesc.Semantic, EffectParameterClass.Matrix, EffectParameterType.Unknown));
continue;
}
annoVar = anno.AsVector();
if (annoVar != null)
{
_annotations.Add(new D3D10EffectAnnotation(annoVar, annoDesc.Name, annoDesc.Semantic, EffectParameterClass.Vector, EffectParameterType.Unknown));
}
}
//Now to reflect the parameters and start adding them to the shader
D3D.EffectPassShaderDescription vertexShaderDesc = pass.VertexShaderDescription;
D3D.EffectShaderVariable vertexShaderVar = vertexShaderDesc.Variable;
ParseShader(parent, effect, vertexShaderVar);
ParseShader(parent, effect, pass.PixelShaderDescription.Variable);
//And the standard input layout
CreateInputLayout(vertexShaderVar, vertexShaderDesc.Index);
}
private static void ParseShaderParameters(D3D10EffectImplementation parent, D3D.Effect effect, D3DC.ShaderReflection reflect)
{
D3DC.ShaderDescription desc = reflect.Description;
int constantBuffers = desc.ConstantBuffers;
int boundResources = desc.BoundResources;
//Grab parameters
for (int i = 0; i < constantBuffers; i++)
{
D3DC.ConstantBuffer cb = reflect.GetConstantBuffer(i);
for (int j = 0; j < cb.Description.Variables; j++)
{
D3DC.ShaderReflectionVariable cbVar = cb.GetVariable(j);
String name = cbVar.Description.Name;
if (parent.Parameters[name] == null)
{
D3D.EffectVariable param = effect.GetVariableByName(name);
D3DC.ShaderReflectionType paramType = cbVar.GetVariableType();
D3DC.ShaderTypeDescription typeDesc = paramType.Description;
if (Want(typeDesc.Class, typeDesc.Type))
{
((D3D10EffectParameterCollection)parent.Parameters).Add(new D3D10EffectParameter(param, paramType));
}
}
else
{
break;
}
}
}
//Grab resources
for (int i = 0; i < boundResources; i++)
{
D3DC.InputBindingDescription inputBinding = reflect.GetResourceBindingDescription(i);
String name = inputBinding.Name;
if (parent.Parameters[name] == null)
{
D3D.EffectVariable param = effect.GetVariableByName(name);
if (Want(inputBinding.Type, inputBinding.Dimension))
{
((D3D10EffectParameterCollection)parent.Parameters).Add(new D3D10EffectParameter(param, inputBinding));
}
}
}
}
/// <summary>
/// Creates a new instance of <see cref="D3D10EffectTechnique"/>.
/// </summary>
/// <param name="parent">The implementation parent.</param>
/// <param name="effect">The D3D10 effect.</param>
/// <param name="tech">The D3D10 technique.</param>
internal D3D10EffectTechnique(D3D10EffectImplementation parent, D3D.Effect effect, D3D.EffectTechnique tech)
{
_tech = tech;
_parent = parent;
D3D.EffectTechniqueDescription desc = _tech.Description;
_name = desc.Name;
//Fetch annotations
int annoCount = desc.AnnotationCount;
_annotations = new D3D10EffectAnnotationCollection();
for (int i = 0; i < annoCount; i++)
{
D3D.EffectVariable anno = _tech.GetAnnotationByIndex(i);
D3D.EffectVariableDescription annoDesc = anno.Description;
D3D.EffectVariable annoVar = anno.AsString();
if (annoVar != null)
{
_annotations.Add(new D3D10EffectAnnotation(annoVar, annoDesc.Name, annoDesc.Semantic, EffectParameterClass.Object, EffectParameterType.String));
}
annoVar = anno.AsScalar();
if (annoVar != null)
{
//Need to find a way to get the param type...
_annotations.Add(new D3D10EffectAnnotation(annoVar, annoDesc.Name, annoDesc.Semantic, EffectParameterClass.Scalar, EffectParameterType.Unknown));
}
annoVar = anno.AsMatrix();
if (annoVar != null)
{
_annotations.Add(new D3D10EffectAnnotation(annoVar, annoDesc.Name, annoDesc.Semantic, EffectParameterClass.Matrix, EffectParameterType.Single));
}
}
_passes = new D3D10EffectPassCollection();
for (int i = 0; i < desc.PassCount; i++)
{
_passes.Add(new D3D10EffectPass(parent, effect, tech.GetPassByIndex(i)));
}
}
private static void ParseShader(D3D10EffectImplementation parent, D3D.Effect effect, D3D.EffectShaderVariable shaderVar)
{
D3D.EffectVariable testElem = shaderVar.GetElement(0);
if (testElem == null)
{
if (shaderVar.IsValid)
{
D3D.ShaderDescription shDesc;
shaderVar.GetShaderDescription(0, out shDesc);
D3DC.ShaderReflection reflect = new D3DC.ShaderReflection(shDesc.Bytecode);
ParseShaderParameters(parent, effect, reflect);
//Dispose of the reflection variable *and* the bytecode/signature of the shader desc...bytecode will reported as a leaked in ObjectTable
reflect.Dispose();
shDesc.Signature.Dispose();
shDesc.Bytecode.Dispose();
}
}
else
{
int k = 1;
while ((testElem = shaderVar.GetElement(k)) != null)
{
if (testElem.IsValid)
{
D3D.ShaderDescription shDesc;
testElem.AsShader().GetShaderDescription(0, out shDesc);
D3DC.ShaderReflection reflect = new D3DC.ShaderReflection(shDesc.Bytecode);
ParseShaderParameters(parent, effect, reflect);
//Dispose of the reflection variable *and* the bytecode/signature of the shader desc...bytecode will reported as a leaked in ObjectTable
reflect.Dispose();
shDesc.Signature.Dispose();
shDesc.Bytecode.Dispose();
}
k++;
}
}
}
