| public MakeArrayType ( ITypeHLSL elementType, EmitValHLSL elementCount ) : ITypeHLSL | ||
| elementType | ITypeHLSL | |
| elementCount | EmitValHLSL | |
| return | ITypeHLSL | |
public override void EmitImplSetup()
{
constantElement = GetElement( "Constant" );
InitBlock.AppendComment( "D3D11 Geometry Shader" );
var gsEnabledAttr = FindAttribute( constantElement, "__D3D11GeometryShaderEnabled" );
if( gsEnabledAttr == null )
{
return;
}
var uniformElement = GetElement( "Uniform" );
var fineVertexElement = GetElement( "FineVertex" );
var rasterVertexElement = GetElement( "RasterVertex" );
var geometryInputElement = GetElement( "GeometryInput" );
var geometryOutputElement = GetElement( "GeometryOutput" );
hlslContext = new EmitContextHLSL( SharedHLSL, Range, this.EmitClass.GetName() );
var entryPointSpan = hlslContext.EntryPointSpan;
var gsInstanceCount = GetAttribute( constantElement, "GS_InstanceCount" );
var gsInputVertexCount = GetAttribute( constantElement, "GS_InputVertexCount" );
var gsMaxOutputVertexCount = GetAttribute( constantElement, "GS_MaxOutputVertexCount" );
var gsInstanceID = GetAttribute( geometryInputElement, "GS_InstanceID" );
var gsInputVertices = GetAttribute( geometryInputElement, "GS_InputVertices" );
var gsOutputStream = GetAttribute( geometryOutputElement, "GS_OutputStream" );
hlslContext.GenerateConnectorType(fineVertexElement);
hlslContext.GenerateConnectorType(rasterVertexElement);
entryPointSpan.WriteLine( "[instance({0})]",
hlslContext.EmitAttrLit( gsInstanceCount ) );
entryPointSpan.WriteLine( "[maxvertexcount({0})]",
hlslContext.EmitAttrLit( gsMaxOutputVertexCount ) );
entryPointSpan.WriteLine( "void main(" );
bool first = true;
// \todo: "triangle" or appropriate prefix...
hlslContext.DeclareParamAndBind(
gsInputVertices,
hlslContext.MakeArrayType(
hlslContext.GenerateConnectorType(fineVertexElement),
hlslContext.EmitAttribRef(gsInputVertexCount, null)),
null,
ref first,
entryPointSpan,
prefix: "triangle ");
hlslContext.DeclareParamAndBind(
gsOutputStream,
null,
ref first,
entryPointSpan,
prefix: "inout ");
hlslContext.DeclareParamAndBind(
gsInstanceID,
"SV_GSInstanceID",
ref first,
entryPointSpan );
entryPointSpan.WriteLine( "\t)" );
entryPointSpan.WriteLine( "{" );
var gi2go = hlslContext.EmitTempRecordCtor(
entryPointSpan,
geometryInputElement,
GetAttribute(geometryOutputElement, "__gi2go"));
hlslContext.BindAttr(
GetAttribute(rasterVertexElement, "__gi2rv"),
gi2go);
var output = hlslContext.EmitConnectorCtor(
entryPointSpan,
geometryOutputElement );
entryPointSpan.WriteLine( "}" );
hlslContext.EmitConstantBufferDecl();
EmitShaderSetup(
hlslContext,
"gs_5_0",
"Geometry",
"GS" );
}
