protected override string GenerateFullTextCore(string setName, ShaderFunction function)
{
Debug.Assert(function.IsEntryPoint);
StringBuilder sb = new StringBuilder();
BackendContext setContext = GetContext(setName);
ShaderFunctionAndBlockSyntax entryPoint = setContext.Functions.SingleOrDefault(
sfabs => sfabs.Function.Name == function.Name);
if (entryPoint == null)
{
throw new ShaderGenerationException("Couldn't find given function: " + function.Name);
}
ValidateRequiredSemantics(setName, entryPoint.Function, function.Type);
StructureDefinition[] orderedStructures
= StructureDependencyGraph.GetOrderedStructureList(Compilation, setContext.Structures);
foreach (StructureDefinition sd in orderedStructures)
{
WriteStructure(sb, sd);
}
FunctionCallGraphDiscoverer fcgd = new FunctionCallGraphDiscoverer(
Compilation,
new TypeAndMethodName {
TypeName = function.DeclaringType, MethodName = function.Name
});
fcgd.GenerateFullGraph();
TypeAndMethodName[] orderedFunctionList = fcgd.GetOrderedCallList();
List <ResourceDefinition[]> resourcesBySet = setContext.Resources.GroupBy(rd => rd.Set)
.Select(g => g.ToArray()).ToList();
int uniformBinding = 0, textureBinding = 0, samplerBinding = 0, uavBinding = function.ColorOutputCount;
int setIndex = 0;
foreach (ResourceDefinition[] set in resourcesBySet)
{
Debug.Assert(set[0].Set == setIndex);
setIndex += 1;
foreach (ResourceDefinition rd in set)
{
switch (rd.ResourceKind)
{
case ShaderResourceKind.Uniform:
WriteUniform(sb, rd, uniformBinding++);
break;
case ShaderResourceKind.Texture2D:
WriteTexture2D(sb, rd, textureBinding++);
break;
case ShaderResourceKind.TextureCube:
WriteTextureCube(sb, rd, textureBinding++);
break;
case ShaderResourceKind.Texture2DMS:
WriteTexture2DMS(sb, rd, textureBinding++);
break;
case ShaderResourceKind.Sampler:
WriteSampler(sb, rd, samplerBinding++);
break;
case ShaderResourceKind.StructuredBuffer:
WriteStructuredBuffer(sb, rd, textureBinding++);
break;
case ShaderResourceKind.RWStructuredBuffer:
WriteRWStructuredBuffer(sb, rd, uavBinding++);
break;
default: throw new ShaderGenerationException("Illegal resource kind: " + rd.ResourceKind);
}
}
}
foreach (TypeAndMethodName name in orderedFunctionList)
{
ShaderFunctionAndBlockSyntax f = setContext.Functions.Single(
sfabs => sfabs.Function.DeclaringType == name.TypeName && sfabs.Function.Name == name.MethodName);
if (!f.Function.IsEntryPoint)
{
sb.AppendLine(new HlslMethodVisitor(Compilation, setName, f.Function, this).VisitFunction(f.Block));
}
}
string result = new HlslMethodVisitor(Compilation, setName, entryPoint.Function, this)
.VisitFunction(entryPoint.Block);
sb.AppendLine(result);
return(sb.ToString());
}
protected override string GenerateFullTextCore(string setName, ShaderFunction function)
{
Debug.Assert(function.IsEntryPoint);
StringBuilder sb = new StringBuilder();
BackendContext setContext = GetContext(setName);
ShaderFunctionAndBlockSyntax entryPoint = setContext.Functions.SingleOrDefault(
sfabs => sfabs.Function.Name == function.Name);
if (entryPoint == null)
{
throw new ShaderGenerationException("Couldn't find given function: " + function.Name);
}
ValidateRequiredSemantics(setName, entryPoint.Function, function.Type);
StructureDefinition input = GetRequiredStructureType(setName, entryPoint.Function.Parameters[0].Type);
if (function.Type == ShaderFunctionType.VertexEntryPoint)
{
// HLSL vertex outputs needs to have semantics applied to the structure fields.
StructureDefinition output = CreateOutputStructure(setName, GetRequiredStructureType(setName, entryPoint.Function.ReturnType));
setContext.Functions.Remove(entryPoint);
entryPoint = entryPoint.WithReturnType(new TypeReference(output.Name));
setContext.Functions.Add(entryPoint);
}
if (function.Type == ShaderFunctionType.FragmentEntryPoint)
{
// HLSL pixel shader inputs also need these semantics.
StructureDefinition modifiedInput = CreateOutputStructure(setName, input);
setContext.Functions.Remove(entryPoint);
entryPoint = entryPoint.WithParameter(0, new TypeReference(modifiedInput.Name));
setContext.Functions.Add(entryPoint);
}
StructureDefinition[] orderedStructures
= StructureDependencyGraph.GetOrderedStructureList(Compilation, setContext.Structures);
foreach (StructureDefinition sd in orderedStructures)
{
WriteStructure(sb, sd);
}
foreach (StructureDefinition sd in GetSynthesizedStructures(setName))
{
WriteStructure(sb, sd);
}
FunctionCallGraphDiscoverer fcgd = new FunctionCallGraphDiscoverer(
Compilation,
new TypeAndMethodName {
TypeName = function.DeclaringType, MethodName = function.Name
});
fcgd.GenerateFullGraph();
TypeAndMethodName[] orderedFunctionList = fcgd.GetOrderedCallList();
List <ResourceDefinition[]> resourcesBySet = setContext.Resources.GroupBy(rd => rd.Set)
.Select(g => g.ToArray()).ToList();
int uniformBinding = 0, textureBinding = 0, samplerBinding = 0;
int setIndex = 0;
foreach (ResourceDefinition[] set in resourcesBySet)
{
Debug.Assert(set[0].Set == setIndex);
setIndex += 1;
foreach (ResourceDefinition rd in set)
{
switch (rd.ResourceKind)
{
case ShaderResourceKind.Uniform:
WriteUniform(sb, rd, uniformBinding++);
break;
case ShaderResourceKind.Texture2D:
WriteTexture2D(sb, rd, textureBinding++);
break;
case ShaderResourceKind.TextureCube:
WriteTextureCube(sb, rd, textureBinding++);
break;
case ShaderResourceKind.Sampler:
WriteSampler(sb, rd, samplerBinding++);
break;
default: throw new ShaderGenerationException("Illegal resource kind: " + rd.ResourceKind);
}
}
}
foreach (TypeAndMethodName name in orderedFunctionList)
{
ShaderFunctionAndBlockSyntax f = setContext.Functions.Single(
sfabs => sfabs.Function.DeclaringType == name.TypeName && sfabs.Function.Name == name.MethodName);
if (!f.Function.IsEntryPoint)
{
sb.AppendLine(new HlslMethodVisitor(Compilation, setName, f.Function, this).VisitFunction(f.Block));
}
}
string result = new HlslMethodVisitor(Compilation, setName, entryPoint.Function, this)
.VisitFunction(entryPoint.Block);
sb.AppendLine(result);
return(sb.ToString());
}
