Beispiel #1
0
        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");
        }
Beispiel #2
0
        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");
        }
Beispiel #3
0
        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");
        }