//pull a semantic bound register
private void ExtractSemantic(IShaderDom shader, Register reg)
{
string semantic = reg.Semantic;
Type dataType = null;
switch (reg.Rank)
{
case RegisterRank.FloatNx1:
{
switch (reg.Type)
{
case "float":
case "float1": //?
dataType = typeof(Single);
break;
case "float2":
dataType = typeof(Vector2);
break;
case "float3":
dataType = typeof(Vector3);
break;
case "float4":
dataType = typeof(Vector4);
break;
}
}
break;
case RegisterRank.FloatNx2:
case RegisterRank.FloatNx3:
case RegisterRank.FloatNx4:
dataType = typeof(Matrix);
break;
case RegisterRank.IntNx1:
case RegisterRank.IntNx2:
case RegisterRank.IntNx3:
case RegisterRank.IntNx4:
{
//ints are almost always mapped to floats for semantic bound types (EG vertex count)
//since the register category has been validated to Float4, this is the case here
switch (reg.Type)
{
case "int":
case "int1": //?
dataType = typeof(Single);
break;
case "int2":
dataType = typeof(Vector2);
break;
case "int3":
dataType = typeof(Vector3);
break;
case "int4":
dataType = typeof(Vector4);
break;
}
}
break;
case RegisterRank.Bool:
dataType = typeof(Single);
break;
}
if (reg.Category == RegisterCategory.Boolean)
{
dataType = typeof(bool);
}
if (semantic.Length == 6 && semantic.Equals("global", StringComparison.InvariantCultureIgnoreCase))
{
//special case global value.
if (dataType == null)
{
throw new CompileException(string.Format("Error parsing semantic for '{0}'. Global values of type '{1}' are not supported.", reg.Name, reg.Type));
}
GlobalAttribute global = new GlobalAttribute();
global.Register = reg;
global.Type = dataType;
global.GlobalIdRef = new CodeFieldReferenceExpression(shader.ShaderClassEx, string.Format("gid{0}", globals.Count));
List <CodeFieldReferenceExpression> globalRefs = new List <CodeFieldReferenceExpression>();
List <CodeFieldReferenceExpression> arrayRefs = new List <CodeFieldReferenceExpression>();
foreach (KeyValuePair <AsmListing, CodeExpression> listing in listingRegisters)
{
Register sreg;
RegisterSet registers = listing.Key.RegisterSet;
CodeExpression registersRef = listing.Value;
if (registers.TryGetRegister(reg.Name, out sreg))
{
if (sreg.Category != RegisterCategory.Boolean)
{
string refId = string.Format("gc{0}", globalRefCount);
globalRefs.Add(new CodeFieldReferenceExpression(shader.Instance, refId));
if (reg.ArraySize != -1)
{
refId = string.Format("ga{0}", globalRefCount);
arrayRefs.Add(new CodeFieldReferenceExpression(shader.Instance, refId));
}
globalRefCount++;
}
}
}
global.ChangeRefs = globalRefs.ToArray();
global.ArrayRefs = arrayRefs.ToArray();
globals.Add(global);
return;
}
if (reg.ArraySize != -1)
{
//INVALID. EXTERMINATE.
throw new CompileException(string.Format("Shader attribute '{0}' is defined as an array and has a semantic '{1}'. Semantics other than 'GLOBAL' are invalid for Array types.", reg.Name, reg.Semantic));
}
bool isTranspose = semantic.Length > 9 && semantic.EndsWith("transpose", StringComparison.InvariantCultureIgnoreCase);
if (isTranspose)
{
semantic = semantic.Substring(0, semantic.Length - 9);
}
SemanticType?dataSemanticType = null;
foreach (SemanticType semanticType in semanticTypes)
{
if (semanticType.Transpose == isTranspose &&
semanticType.Type == dataType &&
semanticType.Mapping.Equals(semantic, StringComparison.InvariantCultureIgnoreCase))
{
dataSemanticType = semanticType;
break;
}
}
if (dataSemanticType == null)
{
//INVALID. EXTERMINATE.
throw new CompileException(string.Format("Shader attribute '{0}' has unrecognised semantic '{1}'.", reg.Name, reg.Semantic));
}
//create the mapping...
SemanticMapping mapping = new SemanticMapping();
mapping.Register = reg;
mapping.Type = dataSemanticType.Value;
//figure out how often this semantic is used..
List <CodeFieldReferenceExpression> changeRefs = new List <CodeFieldReferenceExpression>();
foreach (KeyValuePair <AsmListing, CodeExpression> listing in listingRegisters)
{
Register sreg;
RegisterSet registers = listing.Key.RegisterSet;
CodeExpression registersRef = listing.Value;
if (registers.TryGetRegister(reg.Name, out sreg))
{
string changeId = string.Format("sc{0}", semanticMappingRefCount++);
changeRefs.Add(new CodeFieldReferenceExpression(shader.Instance, changeId));
}
}
mapping.ChangeRefs = changeRefs.ToArray();
this.semanticMapping.Add(mapping);
}
//pull a semantic bound register
private void ExtractSemantic(IShaderDom shader, Register reg)
{
string semantic = reg.Semantic;
Type dataType = null;
switch (reg.Rank)
{
case RegisterRank.FloatNx1:
{
switch (reg.Type)
{
case "float":
case "float1"://?
dataType = typeof(Single);
break;
case "float2":
dataType = typeof(Vector2);
break;
case "float3":
dataType = typeof(Vector3);
break;
case "float4":
dataType = typeof(Vector4);
break;
}
}
break;
case RegisterRank.FloatNx2:
case RegisterRank.FloatNx3:
case RegisterRank.FloatNx4:
dataType = typeof(Matrix);
break;
case RegisterRank.IntNx1:
case RegisterRank.IntNx2:
case RegisterRank.IntNx3:
case RegisterRank.IntNx4:
{
//ints are almost always mapped to floats for semantic bound types (EG vertex count)
//since the register category has been validated to Float4, this is the case here
switch (reg.Type)
{
case "int":
case "int1"://?
dataType = typeof(Single);
break;
case "int2":
dataType = typeof(Vector2);
break;
case "int3":
dataType = typeof(Vector3);
break;
case "int4":
dataType = typeof(Vector4);
break;
}
}
break;
case RegisterRank.Bool:
dataType = typeof(Single);
break;
}
if (reg.Category == RegisterCategory.Boolean)
dataType = typeof(bool);
if (semantic.Length == 6 && semantic.Equals("global", StringComparison.InvariantCultureIgnoreCase))
{
//special case global value.
if (dataType == null)
throw new CompileException(string.Format("Error parsing semantic for '{0}'. Global values of type '{1}' are not supported.",reg.Name, reg.Type));
GlobalAttribute global = new GlobalAttribute();
global.Register = reg;
global.Type = dataType;
global.GlobalIdRef = new CodeFieldReferenceExpression(shader.ShaderClassEx, string.Format("gid{0}", globals.Count));
List<CodeFieldReferenceExpression> globalRefs = new List<CodeFieldReferenceExpression>();
List<CodeFieldReferenceExpression> arrayRefs = new List<CodeFieldReferenceExpression>();
foreach (KeyValuePair<AsmListing, CodeExpression> listing in listingRegisters)
{
Register sreg;
RegisterSet registers = listing.Key.RegisterSet;
CodeExpression registersRef = listing.Value;
if (registers.TryGetRegister(reg.Name, out sreg))
{
if (sreg.Category != RegisterCategory.Boolean)
{
string refId = string.Format("gc{0}", globalRefCount);
globalRefs.Add(new CodeFieldReferenceExpression(shader.Instance, refId));
globalRefCount++;
}
}
}
global.ChangeRefs = globalRefs.ToArray();
globals.Add(global);
return;
}
//special case
bool isBlendMatrices = semantic.Equals("BLENDMATRICES", StringComparison.InvariantCultureIgnoreCase);
if (reg.ArraySize != -1 && !isBlendMatrices)
{
//INVALID. EXTERMINATE.
throw new CompileException(string.Format("Shader attribute '{0}' is defined as an array and has a semantic '{1}'. Semantics other than 'BLENDMATRICES' and 'GLOBAL' are invalid for Array types.", reg.Name, reg.Semantic));
}
bool isTranspose = semantic.Length > 9 && semantic.EndsWith("transpose", StringComparison.InvariantCultureIgnoreCase);
if (isTranspose)
semantic = semantic.Substring(0, semantic.Length - 9);
SemanticType? dataSemanticType = null;
foreach (SemanticType semanticType in semanticTypes)
{
if (semanticType.Type == dataType &&
semanticType.Mapping.Equals(semantic, StringComparison.InvariantCultureIgnoreCase))
{
dataSemanticType = semanticType;
break;
}
}
if (dataSemanticType == null)
{
//INVALID. EXTERMINATE.
throw new CompileException(string.Format("Shader attribute '{0}' has unrecognised semantic '{1}'.", reg.Name, reg.Semantic));
}
//create the mapping...
SemanticMapping mapping = new SemanticMapping();
mapping.Register = reg;
mapping.Type = dataSemanticType.Value;
//figure out how often this semantic is used..
List<CodeFieldReferenceExpression> changeRefs = new List<CodeFieldReferenceExpression>();
foreach (KeyValuePair<AsmListing, CodeExpression> listing in listingRegisters)
{
Register sreg;
RegisterSet registers = listing.Key.RegisterSet;
CodeExpression registersRef = listing.Value;
if (registers.TryGetRegister(reg.Name, out sreg))
{
string changeId = string.Format("sc{0}", semanticMappingRefCount++);
changeRefs.Add(new CodeFieldReferenceExpression(shader.Instance, changeId));
}
}
mapping.ChangeRefs = changeRefs.ToArray();
this.semanticMapping.Add(mapping);
}