public void Update(int techid, int passid, ISpread <DX11Resource <IDX11Geometry> > geoms)
{
this.techid = techid;
this.passid = passid;
this.UpdateTechnique();
//Rebuild Layout
this.DisposeLayouts();
for (int i = 0; i < geoms.SliceCount; i++)
{
try
{
if (pass.Description.Signature != null)
{
InputLayout layout = new InputLayout(this.context.Device, pass.Description.Signature, geoms[i][this.context].InputLayout);
this.layouts.Add(layout);
this.layoutvalid.Add(true);
this.layoutmsg.Add("OK");
}
else
{
this.layouts.Add(null);
this.layoutvalid.Add(true);
this.layoutmsg.Add("OK");
}
}
catch
{
try
{
//Do bit of reflection work to get missing semantic
EffectShaderVariable vs = pass.VertexShaderDescription.Variable;
int inputcount = vs.GetShaderDescription(0).InputParameterCount;
string missingsemantics = "Geometry is missing semantics: ";
bool first = true;
for (int vip = 0; vip < inputcount; vip++)
{
ShaderParameterDescription sd = vs.GetInputParameterDescription(0, vip);
if (sd.SystemType == SystemValueType.Undefined) //Ignore SV semantics
{
bool found = false;
foreach (InputElement e in geoms[i][this.context].InputLayout)
{
if (sd.SemanticName == e.SemanticName && sd.SemanticIndex == e.SemanticIndex)
{
found = true;
}
}
if (!found)
{
string sem = sd.SemanticIndex == 0 ? "" : sd.SemanticIndex.ToString();
if (first)
{
first = false;
}
else
{
missingsemantics += " : ";
}
missingsemantics += sd.SemanticName + sem;
}
}
}
this.layouts.Add(null);
this.layoutvalid.Add(false);
this.layoutmsg.Add(missingsemantics);
}
catch (Exception ex)
{
//Just in case
this.layouts.Add(null);
this.layoutvalid.Add(false);
this.layoutmsg.Add(ex.Message);
}
}
}
}
public static InputElement[] GetStreamOutputLayout(this EffectPass pass, out int vertexsize)
{
vertexsize = 0;
if (pass.GeometryShaderDescription.Variable == null)
{
return(new InputElement[0]);
}
else
{
EffectShaderVariable gs = pass.GeometryShaderDescription.Variable;
int outputcount = gs.GetShaderDescription(0).OutputParameterCount;
InputElement[] elems = new InputElement[outputcount];
int offset = 0;
for (int vip = 0; vip < outputcount; vip++)
{
ShaderParameterDescription sd = gs.GetOutputParameterDescription(0, vip);
int componentcount = 0;
if (sd.UsageMask.HasFlag(RegisterComponentMaskFlags.ComponentX))
{
componentcount++;
}
if (sd.UsageMask.HasFlag(RegisterComponentMaskFlags.ComponentY))
{
componentcount++;
}
if (sd.UsageMask.HasFlag(RegisterComponentMaskFlags.ComponentZ))
{
componentcount++;
}
if (sd.UsageMask.HasFlag(RegisterComponentMaskFlags.ComponentW))
{
componentcount++;
}
int vsize = 4 * componentcount;
string fmt = "";
if (componentcount == 1)
{
fmt = "R32_";
}
if (componentcount == 2)
{
fmt = "R32G32_";
}
if (componentcount == 3)
{
fmt = "R32G32B32_";
}
if (componentcount == 4)
{
fmt = "R32G32B32A32_";
}
switch (sd.ComponentType)
{
case RegisterComponentType.Float32:
fmt += "Float";
break;
case RegisterComponentType.SInt32:
fmt += "SInt";
break;
case RegisterComponentType.UInt32:
fmt += "UInt";
break;
}
Format f = (Format)Enum.Parse(typeof(Format), fmt);
InputElement elem = new InputElement(sd.SemanticName, (int)sd.SemanticIndex, f, offset, 0);
elems[vip] = elem;
offset += vsize;
vertexsize += vsize;
}
return(elems);
}
}
protected override List <CompilerError> VerifyShader(string file, DX11Effect effect)
{
List <CompilerError> errors = new List <CompilerError>();
if (effect.DefaultEffect.Description.TechniqueCount == 0)
{
errors.Add(new CompilerError(file, 0, 0, "", "Effect Has No techniques"));
return(errors);
}
//Verify techniques
for (int i = 0; i < effect.DefaultEffect.Description.TechniqueCount; i++)
{
EffectTechnique tech = effect.DefaultEffect.GetTechniqueByIndex(i);
if (tech.Description.PassCount == 0)
{
errors.Add(new CompilerError(file, 0, 0, "", "Technique: " + tech.Description.Name + " has no passes"));
return(errors);
}
else
{
for (int p = 0; p < tech.Description.PassCount; p++)
{
EffectPass pass = tech.GetPassByIndex(p);
if (!this.ComputeOrPixelOnly(pass))
{
errors.Add(new CompilerError(file, 0, 0, "", "Technique: " + tech.Description.Name + " : Pass : "******" Must be pixel only or compute only"));
}
else
{
//Manually validate layout for pixelshader
if (this.PixelOnly(pass))
{
EffectShaderVariable ps = pass.PixelShaderDescription.Variable;
int inputcount = ps.GetShaderDescription(0).InputParameterCount;
bool hassvpos = false;
bool hasuv = false;
for (int ip = 0; ip < inputcount; ip++)
{
ShaderParameterDescription sd = ps.GetInputParameterDescription(0, ip);
if (sd.SystemType == SystemValueType.Position)
{
hassvpos = true;
}
if (sd.SemanticName == "TEXCOORD")
{
hasuv = true;
}
}
if (!(hassvpos && hasuv) && inputcount == 2)
{
errors.Add(new CompilerError(file, 0, 0, "", "Technique: " + tech.Description.Name + " : Pass : "******" Must be SV_Position and TEXCOORD0 as input"));
}
}
}
}
}
}
return(errors);
}
