public override void EmitImplSetup()
{
var constantElement = GetElement("Constant");
var uniformElement = GetElement("Uniform");
var coarseVertexElement = GetElement("CoarseVertex");
InitBlock.AppendComment("D3D11 Hull Shader");
var tessEnabledAttr = FindAttribute( constantElement, "__D3D11TessellationEnabled" );
if( tessEnabledAttr == null )
{
return;
}
var superPatchElement = GetElement( "__InputPatch" );
var inputPatchElement = GetElement( "InputPatch" );
var outputPatchElement = GetElement( "OutputPatch" );
var controlPointElement = GetElement( "ControlPoint" );
var patchEdgeElement = GetElement( "PatchEdge" );
var patchCornerElement = GetElement( "PatchCorner" );
var patchInteriorElement = GetElement( "PatchInterior" );
hlslContext = new EmitContextHLSL(SharedHLSL, Range, this.EmitClass.GetName());
var entryPointSpan = hlslContext.EntryPointSpan;
entryPointSpan = hlslContext.PushErrorMask(entryPointSpan, "X3550");
var inputCoarseVertexCount = GetAttribute(constantElement, "HS_InputCoarseVertexCount");
var outputControlPointCount = GetAttribute(constantElement, "HS_OutputControlPointCount");
var tsDomain = GetAttribute(constantElement, "TS_Domain");
var tsPartitioning = GetAttribute(constantElement, "TS_Partitioning");
var tsOutputTopology = GetAttribute(constantElement, "TS_OutputTopology");
var tsMaxTessFactor = GetAttribute(constantElement, "TS_MaxTessFactor");
var hsPatchEdgeCount = GetAttribute(constantElement, "HS_PatchEdgeCount");
var hsPatchInsideCount = GetAttribute(constantElement, "HS_PatchInsideCount");
var hsPatchCornerCount = GetAttribute(constantElement, "HS_PatchCornerCount");
var hsCullPatchAttr = GetAttribute(outputPatchElement, "HS_CullPatch");
hlslContext.GenerateConnectorType(coarseVertexElement);
hlslContext.GenerateConnectorType(controlPointElement);
hlslContext.GenerateConnectorType(outputPatchElement);
// OutputPatch entry point
var outputPatchConnector = hlslContext.GenerateConnectorType(outputPatchElement);
entryPointSpan.WriteLine("{0} __patchMain(",
outputPatchConnector);
bool first = true;
hlslContext.DeclareParamAndBind(
GetAttribute(superPatchElement, "HS_InputCoarseVertices"),
null,
ref first,
entryPointSpan);
// \todo:
// @OutputPatch Array[ControlPoint, HS_OutputControlPointCount] HS_OutputControlPoints
hlslContext.DeclareParamAndBind(
GetAttribute(superPatchElement, "HS_PatchID"),
"SV_PrimitiveID",
ref first,
entryPointSpan);
entryPointSpan.WriteLine("\t)");
entryPointSpan.WriteLine("{");
// Declare the output patch variable, but don't initialize it
var outputPatch = outputPatchConnector.CreateVal( "HS_OutputPatch" );
hlslContext.DeclareLocal( outputPatch, entryPointSpan );
// Do any input-patch initialization stuff
var ip2op = hlslContext.EmitTempRecordCtor(
entryPointSpan,
inputPatchElement,
GetAttribute(outputPatchElement, "__ip2op"));
// Iterate over the corners of the patch, and initialize each
entryPointSpan.WriteLine( "for( uint HS_CornerID = 0; HS_CornerID < {0}; HS_CornerID++ )",
hlslContext.EmitAttribRef( hsPatchCornerCount, null ) );
entryPointSpan.WriteLine("{" );
hlslContext.BindAttr(
GetAttribute( patchCornerElement, "__ip2pc" ),
ip2op );
var patchCornerIDAttr = GetAttribute( patchCornerElement, "HS_PatchCornerID" );
var hsCornerIDVal = new SimpleValHLSL( "HS_CornerID",
(RealTypeHLSL) hlslContext.EmitType( patchCornerIDAttr.Type ) );
hlslContext.BindAttr(
patchCornerIDAttr,
hsCornerIDVal );
var hsPatchCornersAttr = GetAttribute( outputPatchElement, "HS_PatchCorners" );
var hsPatchCornersVal = hlslContext.FetchAttr(
outputPatch,
hsPatchCornersAttr.Attribute,
entryPointSpan );
hlslContext.BindAttr(hsPatchCornersAttr, hsPatchCornersVal);
var hsPatchCornerVal = hlslContext.GetElem(
hsPatchCornersVal,
hsCornerIDVal);
hlslContext.InitRecord(
entryPointSpan,
patchCornerElement,
hsPatchCornerVal );
entryPointSpan.WriteLine( "}" );
entryPointSpan.WriteLine( "for( uint HS_EdgeID = 0; HS_EdgeID < {0}; HS_EdgeID++ )",
hlslContext.EmitAttribRef(hsPatchEdgeCount, null));
entryPointSpan.WriteLine( "{" );
hlslContext.BindAttr(
GetAttribute(patchEdgeElement, "__ip2pe"),
ip2op);
hlslContext.BindAttr(
GetAttribute(patchEdgeElement, "__op2pe"),
outputPatch);
var patchEdgeIDAttr = GetAttribute(patchEdgeElement, "HS_PatchEdgeID");
var hsEdgeIDVal = new SimpleValHLSL("HS_EdgeID",
(RealTypeHLSL)hlslContext.EmitType(patchEdgeIDAttr.Type));
hlslContext.BindAttr(
patchEdgeIDAttr,
hsEdgeIDVal );
var hsPatchEdgesAttr = GetAttribute(outputPatchElement, "HS_PatchEdges");
var hsPatchEdgesVal = hlslContext.FetchAttr(
outputPatch,
hsPatchEdgesAttr.Attribute,
entryPointSpan );
hlslContext.BindAttr(hsPatchEdgesAttr, hsPatchEdgesVal);
var hsPatchEdgeVal = hlslContext.GetElem(
hsPatchEdgesVal,
hsEdgeIDVal);
hlslContext.InitRecord(
entryPointSpan,
patchEdgeElement,
hsPatchEdgeVal);
var hsEdgeFactorSrcVal = hlslContext.FetchAttr(
hsPatchEdgeVal,
GetAttribute(patchEdgeElement, "HS_EdgeFactor").Attribute,
entryPointSpan);
var hsEdgeFactorsAttr = GetAttribute(outputPatchElement, "HS_EdgeFactors").Attribute;
var hsEdgeFactorsVal = hlslContext.FetchAttr(
outputPatch,
hsEdgeFactorsAttr,
entryPointSpan);
hlslContext.BindAttr(hsEdgeFactorsAttr, hsEdgeFactorsVal);
var hsEdgeFactorDstVal = hlslContext.GetElem(
hsEdgeFactorsVal,
hsEdgeIDVal);
hlslContext.Assign(
hsEdgeFactorDstVal,
hsEdgeFactorSrcVal,
entryPointSpan);
entryPointSpan.WriteLine("}");
var hsPatchInsideCountStr = hlslContext.EmitAttribRef(hsPatchInsideCount, null).ToString();
var onlyOneInside = hsPatchInsideCountStr == "1";
if (!onlyOneInside)
{
entryPointSpan.WriteLine("for( uint HS_InsideID = 0; HS_InsideID < {0}; HS_InsideID++ )",
hlslContext.EmitAttribRef(hsPatchInsideCount, null));
entryPointSpan.WriteLine("{");
}
else
{
entryPointSpan.WriteLine("uint HS_InsideID = 0;");
}
hlslContext.BindAttr(
GetAttribute(patchInteriorElement, "__ip2pi"),
ip2op);
hlslContext.BindAttr(
GetAttribute(patchInteriorElement, "__op2pi"),
outputPatch);
var hsPatchInsideIDAttr = GetAttribute(patchInteriorElement, "HS_PatchInteriorID");
var hsInsideIDVal = new SimpleValHLSL("HS_InsideID",
(RealTypeHLSL)hlslContext.EmitType(hsPatchInsideIDAttr.Type));
hlslContext.BindAttr(
hsPatchInsideIDAttr,
hsInsideIDVal);
var hsPatchInteriorsAttr = GetAttribute(outputPatchElement, "HS_PatchInteriors");
var hsPatchInteriorsVal = hlslContext.FetchAttr(
outputPatch,
hsPatchInteriorsAttr.Attribute,
entryPointSpan);
hlslContext.BindAttr(hsPatchInteriorsAttr, hsPatchInteriorsVal);
var hsPatchInteriorVal = hlslContext.GetElem(
hsPatchInteriorsVal,
hsInsideIDVal);
hlslContext.InitRecord(
entryPointSpan,
patchInteriorElement,
hsPatchInteriorVal);
var hsInsideFactorSrcVal = hlslContext.FetchAttr(
hsPatchInteriorVal,
GetAttribute(patchInteriorElement, "HS_InsideFactor").Attribute,
entryPointSpan);
var hsInsideFactorsAttr = GetAttribute(outputPatchElement, "HS_InsideFactors").Attribute;
var hsInsideFactorsVal = hlslContext.FetchAttr(
outputPatch,
hsInsideFactorsAttr,
entryPointSpan);
hlslContext.BindAttr(hsInsideFactorsAttr, hsInsideFactorsVal);
var hsInsideFactorDstVal = hlslContext.GetElem(
hsInsideFactorsVal,
hsInsideIDVal);
hlslContext.Assign(
hsInsideFactorDstVal,
hsInsideFactorSrcVal,
entryPointSpan);
if (!onlyOneInside)
{
entryPointSpan.WriteLine("}");
}
hlslContext.InitRecord(
entryPointSpan,
outputPatchElement,
outputPatch);
var hsCullPatchVal = hlslContext.EmitAttribRef(hsCullPatchAttr, entryPointSpan);
entryPointSpan.WriteLine("if( {0} )", hsCullPatchVal);
entryPointSpan.WriteLine("{");
var hsEdgeFactor0Val = hlslContext.GetElem(
hsEdgeFactorsVal,
new SimpleValHLSL("0", new ScalarTypeHLSL("int")));
hlslContext.Assign(
hsEdgeFactor0Val,
new SimpleValHLSL("0.0f", new ScalarTypeHLSL("float")),
entryPointSpan);
entryPointSpan.WriteLine("}");
entryPointSpan.WriteLine( "\treturn {0};", outputPatch );
entryPointSpan.WriteLine("}");
// ControlPoint entry point
foreach (var a in inputPatchElement.Attributes)
hlslContext.UnbindAttribute(a);
// Bind a bunch of attributes that really represent constants:
hlslContext.BindAttrLit(
GetAttribute(constantElement, "TriangleDomain"),
"tri");
hlslContext.BindAttrLit(
GetAttribute(constantElement, "QuadDomain"),
"quad");
hlslContext.BindAttrLit(
GetAttribute(constantElement, "FractionalOddPartitioning"),
"fractional_odd");
hlslContext.BindAttrLit(
GetAttribute(constantElement, "IntegerPartitioning"),
"integer");
hlslContext.BindAttrLit(
GetAttribute(constantElement, "TriangleCWTopology"),
"triangle_cw");
entryPointSpan.WriteLine("[domain(\"{0}\")]",
hlslContext.EmitAttrLit( tsDomain ));
entryPointSpan.WriteLine("[partitioning(\"{0}\")]",
hlslContext.EmitAttrLit( tsPartitioning ));
entryPointSpan.WriteLine("[outputtopology(\"{0}\")]",
hlslContext.EmitAttrLit( tsOutputTopology ));
entryPointSpan.WriteLine("[outputcontrolpoints({0})]",
hlslContext.EmitAttrLit( outputControlPointCount ));
entryPointSpan.WriteLine("[patchconstantfunc(\"__patchMain\")]");
// entryPointSpan.WriteLine("[maxtessfactor({0:f})]",
// hlslContext.EmitAttribRef(
// tsMaxTessFactor,
// null));
entryPointSpan.WriteLine("{0} main(",
hlslContext.GenerateConnectorType(controlPointElement));
first = true;
hlslContext.DeclareParamAndBind(
GetAttribute(superPatchElement, "HS_InputCoarseVertices"),
null,
ref first,
entryPointSpan);
hlslContext.DeclareParamAndBind(
GetAttribute(superPatchElement, "HS_PatchID"),
"SV_PrimitiveID",
ref first,
entryPointSpan);
hlslContext.DeclareParamAndBind(
GetAttribute(controlPointElement, "HS_ControlPointID"),
"SV_OutputControlPointID",
ref first,
entryPointSpan);
entryPointSpan.WriteLine("\t)");
entryPointSpan.WriteLine("{");
hlslContext.EmitTempRecordCtor(
entryPointSpan,
inputPatchElement,
GetAttribute(controlPointElement, "__ip2ocp"));
var cpOutput = hlslContext.EmitConnectorCtor(
entryPointSpan,
controlPointElement);
entryPointSpan.WriteLine("\treturn {0};", cpOutput);
entryPointSpan.WriteLine("}");
hlslContext.EmitConstantBufferDecl();
EmitShaderSetup(
hlslContext,
"hs_5_0",
"Hull",
"HS");
}
public ReturnLabel(
EmitContextHLSL context,
EmitValHLSL resultVar)
{
_context = context;
_resultVar = resultVar;
}
//
public override void EmitImplSetup()
{
var uniformElement = GetElement("Uniform");
var rasterVertex = GetElement("RasterVertex");
var fragmentElement = GetElement("Fragment");
var pixelElement = GetElement("Pixel");
// Find all render targets:
renderTargetAttributes = (from a in pixelElement.Attributes
where a.Exp != null
where a.IsOutput
select a).ToArray();
renderTargetCount = renderTargetAttributes.Length;
// Depth-stencil view
depthStencilViewAttribute = GetAttribute(uniformElement, "depthStencilView");
// Compute the setup required by the OM
// Blending stuff
var blendStateType = EmitTarget.GetOpaqueType("ID3D11BlendState*");
blendStateField = EmitClass.AddPrivateField(
blendStateType,
"_blendState");
_renderTargetBlendDescs = new TargetBlendDesc[renderTargetCount];
_renderTargetSources = new SourceInfo[renderTargetCount];
for (int ii = 0; ii < renderTargetCount; ++ii)
{
DecomposeAttr(renderTargetAttributes[ii], ii);
}
var rtBlendDescType = EmitTarget.GetBuiltinType("D3D11_RENDER_TARGET_BLEND_DESC");
var blendSpecVals = (from desc in _renderTargetBlendDescs
select InitBlock.Struct(
"D3D11_RENDER_TARGET_BLEND_DESC",
InitBlock.LiteralBool(desc.blendEnable),
InitBlock.Enum32(desc.color.srcBlend),
InitBlock.Enum32(desc.color.destBlend),
InitBlock.Enum32(desc.color.op),
InitBlock.Enum32(desc.alpha.srcBlend),
InitBlock.Enum32(desc.alpha.destBlend),
InitBlock.Enum32(desc.alpha.op),
InitBlock.LiteralU32(desc.writeMask))).ToList();
while (blendSpecVals.Count < 8) // \todo: get the limits from somwhere!!!
{
blendSpecVals.Add(
InitBlock.Struct(
"D3D11_RENDER_TARGET_BLEND_DESC",
InitBlock.LiteralBool(false),
InitBlock.Enum32("D3D11_BLEND", "D3D11_BLEND_ONE", D3D11_BLEND.D3D11_BLEND_ONE),
InitBlock.Enum32("D3D11_BLEND", "D3D11_BLEND_ZERO", D3D11_BLEND.D3D11_BLEND_ZERO),
InitBlock.Enum32("D3D11_BLEND_OP", "D3D11_BLEND_OP_ADD", D3D11_BLEND_OP.D3D11_BLEND_OP_ADD),
InitBlock.Enum32("D3D11_BLEND", "D3D11_BLEND_ONE", D3D11_BLEND.D3D11_BLEND_ONE),
InitBlock.Enum32("D3D11_BLEND", "D3D11_BLEND_ZERO", D3D11_BLEND.D3D11_BLEND_ZERO),
InitBlock.Enum32("D3D11_BLEND_OP", "D3D11_BLEND_OP_ADD", D3D11_BLEND_OP.D3D11_BLEND_OP_ADD),
InitBlock.LiteralU32((UInt32)D3D11_COLOR_WRITE_ENABLE.D3D11_COLOR_WRITE_ENABLE_ALL)));
}
var blendSpecsVal = InitBlock.Array(
rtBlendDescType,
blendSpecVals);
InitBlock.AppendComment("D3D11 Output Merger");
var blendDescVal =
InitBlock.Temp("blendDesc",
InitBlock.Struct(
"D3D11_BLEND_DESC",
InitBlock.LiteralBool(false),
InitBlock.LiteralBool(true),
blendSpecsVal));
InitBlock.SetArrow(
CtorThis,
blendStateField,
EmitTarget.GetNullPointer(blendStateType));
InitBlock.CallCOM(
CtorDevice,
"ID3D11Device",
"CreateBlendState",
blendDescVal.GetAddress(),
InitBlock.GetArrow(CtorThis, blendStateField).GetAddress());
DtorBlock.CallCOM(
DtorBlock.GetArrow(DtorThis, blendStateField),
"IUnknown",
"Release");
// Emit HLSL code for PS
InitBlock.AppendComment("D3D11 Pixel Shader");
hlslContext = new EmitContextHLSL(SharedHLSL, Range, this.EmitClass.GetName());
var entryPointSpan = hlslContext.EntryPointSpan;
entryPointSpan.WriteLine("void main(");
bool firstParam = true;
hlslContext.DeclareConnectorAndBind(
rasterVertex,
GetAttribute(fragmentElement, "__rv2f"),
ref firstParam,
entryPointSpan);
hlslContext.DeclareParamAndBind(
GetAttribute(fragmentElement, "PS_ScreenSpacePosition"),
"SV_Position",
ref firstParam,
entryPointSpan);
for (int ii = 0; ii < renderTargetCount; ++ii)
{
if( !firstParam ) entryPointSpan.WriteLine(",");
firstParam = false;
var sourceInfo = _renderTargetSources[ii];
MidExp exp = null;
if (sourceInfo.combinedExp != null)
{
// \todo: Validate other bits and bobs!!!
exp = sourceInfo.combinedExp;
}
else
{
throw new NotImplementedException();
}
entryPointSpan.Write("\tout {1} target{0} : SV_Target{0}", ii,
hlslContext.EmitType(exp.Type));
}
entryPointSpan.WriteLine(" )");
entryPointSpan.WriteLine("{");
hlslContext.EmitTempRecordCtor(
entryPointSpan,
fragmentElement,
GetAttribute(pixelElement, "__ps2om"));
var psCullFragmentAttr = GetAttribute(fragmentElement, "PS_CullFragment");
entryPointSpan.WriteLine("\tif( {0} ) discard;",
hlslContext.EmitAttribRef(psCullFragmentAttr, entryPointSpan));
for (int ii = 0; ii < renderTargetCount; ++ii)
{
var sourceInfo = _renderTargetSources[ii];
MidExp exp = null;
if (sourceInfo.combinedExp != null)
{
// \todo: Validate other bits and bobs!!!
exp = sourceInfo.combinedExp;
}
else
{
throw new NotImplementedException();
}
entryPointSpan.WriteLine("\ttarget{0} = {1};",
ii,
hlslContext.EmitExp(exp, entryPointSpan));
}
entryPointSpan.WriteLine("}");
hlslContext.EmitConstantBufferDecl();
//
EmitShaderSetup(
hlslContext,
"ps_5_0",
"Pixel",
"PS");
}
public override void EmitImplSetup()
{
var uniformElement = GetElement("Uniform");
var vertexElement = GetElement("CoarseVertex");
var assembledVertex = GetElement("AssembledVertex");
var constantElement = GetElement("Constant");
var tessEnabledAttr = FindAttribute( constantElement, "__D3D11TessellationEnabled" );
var gsEnabledAttr = FindAttribute( constantElement, "__D3D11GeometryShaderEnabled" );
// \todo: We eventually need to support both tessellation enabled/disabled...
var fineVertexElement = GetElement("FineVertex");
var rasterVertexElement = GetElement("RasterVertex");
var outputElement = vertexElement;
if( tessEnabledAttr == null )
{
if( gsEnabledAttr == null )
{
outputElement = rasterVertexElement;
}
else
{
outputElement = fineVertexElement;
}
}
InitBlock.AppendComment("D3D11 Vertex Shader");
var outputAttributes = new List<MidAttributeDecl>();
foreach (var a in outputElement.Attributes)
{
if (a.IsOutput) outputAttributes.Add(a);
}
hlslContext = new EmitContextHLSL(SharedHLSL, Range, this.EmitClass.GetName());
var entryPointSpan = hlslContext.EntryPointSpan;
entryPointSpan.WriteLine("{0} main(",
hlslContext.GenerateConnectorType(outputElement));
bool first = true;
hlslContext.DeclareConnectorAndBind(
assembledVertex,
GetAttribute(vertexElement, "__ia2vs"),
ref first,
entryPointSpan);
hlslContext.DeclareParamAndBind(
GetAttribute(vertexElement, "VS_VertexID"),
"SV_VertexID",
ref first,
entryPointSpan);
hlslContext.DeclareParamAndBind(
GetAttribute(vertexElement, "VS_InstanceID"),
"SV_InstanceID",
ref first,
entryPointSpan);
entryPointSpan.WriteLine("\t)");
entryPointSpan.WriteLine("{");
if( tessEnabledAttr == null )
{
hlslContext.EmitTempRecordCtor(
entryPointSpan,
vertexElement,
GetAttribute(fineVertexElement, "__c2fhelper"));
if( gsEnabledAttr == null )
{
hlslContext.EmitTempRecordCtor(
entryPointSpan,
fineVertexElement,
GetAttribute(rasterVertexElement, "__f2rhelper"));
}
}
var resultVal = hlslContext.EmitConnectorCtor(
entryPointSpan,
outputElement);
entryPointSpan.WriteLine("\treturn {0};", resultVal);
entryPointSpan.WriteLine("}");
hlslContext.EmitConstantBufferDecl();
//
EmitShaderSetup(
hlslContext,
"vs_5_0",
"Vertex",
"VS");
}
public BreakLabel(
MidLabel midLabel,
EmitContextHLSL context,
EmitValHLSL resultVar)
{
_midLabel = midLabel;
_context = context;
_resultVar = resultVar;
}
public override void EmitImplSetup()
{
constantElement = GetElement("Constant");
var uniformElement = GetElement("Uniform");
var fineVertexElement = GetElement("FineVertex");
var rasterVertexElement = GetElement("RasterVertex");
InitBlock.AppendComment("D3D11 Domain Shader");
var tessEnabledAttr = FindAttribute( constantElement, "__D3D11TessellationEnabled" );
if( tessEnabledAttr == null )
{
return;
}
var outputPatchElement = GetElement( "OutputPatch" );
var controlPointElement = GetElement( "ControlPoint" );
// \todo: Need to check whether GS is enabled.
var gsEnabledAttr = FindAttribute( constantElement, "__D3D11GeometryShaderEnabled" );
var outputElement = fineVertexElement;
if( gsEnabledAttr == null )
{
outputElement = rasterVertexElement;
}
hlslContext = new EmitContextHLSL(SharedHLSL, Range, this.EmitClass.GetName());
var entryPointSpan = hlslContext.EntryPointSpan;
var outputControlPointCount = GetAttribute(constantElement, "HS_OutputControlPointCount");
var tsDomain = GetAttribute(constantElement, "TS_Domain");
// Bind a bunch of attributes that really represent constants:
hlslContext.BindAttrLit(
GetAttribute(constantElement, "TriangleDomain"),
"tri");
hlslContext.BindAttrLit(
GetAttribute(constantElement, "QuadDomain"),
"quad");
hlslContext.BindAttrLit(
GetAttribute(constantElement, "FractionalOddPartitioning"),
"fractional_odd");
hlslContext.BindAttrLit(
GetAttribute(constantElement, "IntegerPartitioning"),
"integer");
hlslContext.BindAttrLit(
GetAttribute(constantElement, "TriangleCWTopology"),
"triangle_cw");
hlslContext.GenerateConnectorType(controlPointElement);
hlslContext.GenerateConnectorType(outputElement);
entryPointSpan.WriteLine("[domain(\"{0}\")]",
hlslContext.EmitAttrLit( tsDomain ));
entryPointSpan.WriteLine("{0} main(",
hlslContext.GenerateConnectorType(outputElement));
bool first = true;
if (outputPatchElement.Attributes.Any((a) => a.IsOutput))
{
hlslContext.DeclareConnectorAndBind(
outputPatchElement,
GetAttribute(fineVertexElement, "__op2dv"),
ref first,
entryPointSpan);
}
// \todo: These should not be required, but seem related
// to an fxc bug where it expects the tess-factor inputs
// to be re-declared in the DS...
var edgeFactors = GetAttribute(outputPatchElement, "HS_EdgeFactors");
var insideFactors = GetAttribute(outputPatchElement, "HS_InsideFactors");
/*
hlslContext.DeclareParamAndBind(
edgeFactors,
"SV_TessFactor",
ref first,
entryPointSpan);
hlslContext.DeclareParamAndBind(
insideFactors,
"SV_InsideTessFactor",
ref first,
entryPointSpan);
*/
hlslContext.DeclareParamAndBind(
GetAttribute(fineVertexElement, "DS_DomainLocation"),
"SV_DomainLocation",
ref first,
entryPointSpan);
hlslContext.DeclareParamAndBind(
GetAttribute(fineVertexElement, "DS_InputControlPoints"),
null,
ref first,
entryPointSpan);
/*
entryPointSpan.WriteLine(",");
entryPointSpan.WriteLine("\tconst OutputPatch<{0}, {1}> DS_InputControlPoints",
hlslContext.GenerateConnectorType(outputControlPointElement),
hlslContext.EmitAttribRef(
outputControlPointCount,
null));
*/
entryPointSpan.WriteLine("\t)");
entryPointSpan.WriteLine("{");
if (fineVertexElement != outputElement)
{
hlslContext.EmitTempRecordCtor(
entryPointSpan,
fineVertexElement,
GetAttribute(rasterVertexElement, "__f2rhelper"));
}
var output = hlslContext.EmitConnectorCtor(
entryPointSpan,
outputElement );
entryPointSpan.WriteLine("\treturn {0};", output);
entryPointSpan.WriteLine("}");
hlslContext.EmitConstantBufferDecl();
EmitShaderSetup(
hlslContext,
"ds_5_0",
"Domain",
"DS");
}
private void EmitShaderBinds(
IEmitBlock block,
string prefix,
EmitContextHLSL hlslContext)
{
block.CallCOM(
SubmitContext,
"ID3D11DeviceContext",
string.Format("{0}SetConstantBuffers", prefix),
block.LiteralU32(0),
block.LiteralU32(1),
block.GetArrow(SubmitThis, EmitPass.CBField).GetAddress());
var resources = hlslContext.ShaderResources.ToArray();
var resourceCount = resources.Length;
if (resourceCount != 0)
{
var resourceVals = (from r in resources
select EmitContext.EmitExp(r, block, SubmitEnv)).ToArray();
var resourcesVal = block.Temp(
string.Format("{0}Resources", prefix),
block.Array(
EmitTarget.GetOpaqueType("ID3D11ShaderResourceView*"),
resourceVals));
block.CallCOM(
SubmitContext,
"ID3D11DeviceContext",
string.Format("{0}SetShaderResources", prefix),
block.LiteralU32(0),
block.LiteralU32((UInt32)resourceCount),
resourcesVal.GetAddress());
}
var samplers = hlslContext.SamplerStates.ToArray();
var samplerCount = samplers.Length;
if (samplerCount != 0)
{
var samplerVals = (from s in samplers
select EmitContext.EmitExp(s, block, SubmitEnv)).ToArray();
var samplersVal = block.Temp(
string.Format("{0}Samplers", prefix),
block.Array(
EmitTarget.GetOpaqueType("ID3D11SamplerState*"),
samplerVals));
block.CallCOM(
SubmitContext,
"ID3D11DeviceContext",
string.Format("{0}SetSamplers", prefix),
block.LiteralU32(0),
block.LiteralU32((UInt32)samplerCount),
samplersVal.GetAddress());
}
}
protected void EmitShaderSetup(
EmitContextHLSL hlslContext,
string profile,
string stageName,
string prefix)
{
var hlslSpan = hlslContext.Span;
var bytecode = hlslContext.Compile(profile);
InitBlock.AppendComment(hlslContext.Span);
if (bytecode != null && bytecode.Length > 0)
EmitTarget.ShaderBytecodeCallback(prefix, bytecode);
var bytecodeLengthVal = InitBlock.Temp(
"bytecodeSize",
InitBlock.LiteralU32(
(UInt32)bytecode.Length));
var bytecodeVal = InitBlock.Temp(
"bytecode",
InitBlock.LiteralData(bytecode));
// Terrible hack - save off vals in case of vertex shader... :(
// This is required because creating an Input Layout
// requires VS bytecode... for some reason...
if (prefix == "VS")
{
EmitPass.VertexShaderBytecodeVal = bytecodeVal;
EmitPass.VertexShaderBytecodeSizeVal = bytecodeLengthVal;
}
var shaderType = EmitTarget.GetOpaqueType(
string.Format("ID3D11{0}Shader*", stageName));
var shaderNull = EmitTarget.GetNullPointer(shaderType);
_shaderField = EmitClass.AddPrivateField(
shaderType,
string.Format("_{0}Shader", stageName));
InitBlock.SetArrow(
CtorThis,
_shaderField,
shaderNull);
var classLinkageNull = EmitTarget.GetNullPointer(
EmitTarget.GetOpaqueType("ID3D11ClassLinkage*"));
InitBlock.CallCOM(
CtorDevice,
"ID3D11Device",
string.Format("Create{0}Shader", stageName),
bytecodeVal,
bytecodeLengthVal,
classLinkageNull,
InitBlock.GetArrow(CtorThis, _shaderField).GetAddress());
DtorBlock.CallCOM(
DtorBlock.GetArrow(DtorThis, _shaderField),
"IUnknown",
"Release");
}
protected void EmitShaderBind(
EmitContextHLSL hlslContext,
string profile,
string stageName,
string prefix)
{
ExecBlock.CallCOM(
SubmitContext,
"ID3D11DeviceContext",
string.Format("{0}SetShader", prefix),
ExecBlock.GetArrow(SubmitThis, _shaderField),
GetNullPointer("ID3D11ClassInstance**"),
ExecBlock.LiteralU32(0));
EmitShaderBinds(ExecBlock, prefix, hlslContext);
}
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" );
}