Edit
kc3-lang/angle/Compiler/OutputHLSL.cpp
Branch :
-
Show log
Commit
-
Author :
daniel@transgaming.com
Date : 2010-03-11 19:41:43
Hash : 86487c20
Message : Compiler - implement gl_DepthRange TRAC #11380 Signed-off-by: Daniel Koch Author: Nicolas Capens <nicolas@transgaming.com> git-svn-id: https://angleproject.googlecode.com/svn/trunk@16 736b8ea6-26fd-11df-bfd4-992fa37f6226
- Compiler/OutputHLSL.cpp
-
// // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // #include "OutputHLSL.h" #include "InfoSink.h" #include "debug.h" namespace sh { OutputHLSL::OutputHLSL(TParseContext &context) : TIntermTraverser(true, true, true), context(context) { } void OutputHLSL::header() { EShLanguage language = context.language; TInfoSinkBase &out = context.infoSink.obj; if (language == EShLangFragment) { TString uniforms; TString varyingInput; TString varyingGlobals; TSymbolTableLevel *symbols = context.symbolTable.getGlobalLevel(); int semanticIndex = 0; for (TSymbolTableLevel::const_iterator namedSymbol = symbols->begin(); namedSymbol != symbols->end(); namedSymbol++) { const TSymbol *symbol = (*namedSymbol).second; const TString &name = symbol->getName(); if (symbol->isVariable()) { const TVariable *variable = static_cast<const TVariable*>(symbol); const TType &type = variable->getType(); TQualifier qualifier = type.getQualifier(); if (qualifier == EvqUniform) { uniforms += "uniform " + typeString(type) + " " + name + arrayString(type) + ";\n"; } else if (qualifier == EvqVaryingIn || qualifier == EvqInvariantVaryingIn) { char semantic[100]; sprintf(semantic, " : TEXCOORD%d", semanticIndex); semanticIndex += type.isArray() ? type.getArraySize() : 1; varyingInput += " " + typeString(type) + " " + name + arrayString(type) + semantic + ";\n"; varyingGlobals += "static " + typeString(type) + " " + name + arrayString(type) + " = " + initializer(type) + ";\n"; } } } out << uniforms; out << "\n" "struct PS_INPUT\n" // FIXME: Prevent name clashes "{\n"; out << varyingInput; out << "};\n" "\n"; out << varyingGlobals; out << "\n" "struct PS_OUTPUT\n" // FIXME: Prevent name clashes "{\n" " float4 gl_Color[1] : COLOR;\n" "};\n" "\n" "static float4 gl_Color[1] = {float4(0, 0, 0, 0)};\n" "\n" "float4 gl_texture2D(sampler2D s, float2 t)\n" "{\n" " return tex2D(s, t);\n" "}\n" "\n" "float4 gl_texture2DProj(sampler2D s, float3 t)\n" "{\n" " return tex2Dproj(s, float4(t.x, t.y, 0, t.z));\n" "}\n" "float4 gl_texture2DBias(sampler2D s, float2 t, float bias)\n" "{\n" " return tex2Dbias(s, float4(t.x, t.y, 0, bias));\n" "}\n" "\n" "float4 gl_textureCube(samplerCUBE s, float3 t)\n" "{\n" " return texCUBE(s, t);\n" "}\n" "\n"; } else { TString uniforms; TString attributeInput; TString attributeGlobals; TString varyingOutput; TString varyingGlobals; TString globals; TSymbolTableLevel *symbols = context.symbolTable.getGlobalLevel(); int semanticIndex = 0; for (TSymbolTableLevel::const_iterator namedSymbol = symbols->begin(); namedSymbol != symbols->end(); namedSymbol++) { const TSymbol *symbol = (*namedSymbol).second; const TString &name = symbol->getName(); if (symbol->isVariable()) { const TVariable *variable = static_cast<const TVariable*>(symbol); const TType &type = variable->getType(); TQualifier qualifier = type.getQualifier(); if (qualifier == EvqUniform) { uniforms += "uniform " + typeString(type) + " " + name + arrayString(type) + ";\n"; } else if (qualifier == EvqAttribute) { char semantic[100]; sprintf(semantic, " : TEXCOORD%d", semanticIndex); semanticIndex += type.isArray() ? type.getArraySize() : 1; attributeInput += " " + typeString(type) + " " + name + arrayString(type) + semantic + ";\n"; attributeGlobals += "static " + typeString(type) + " " + name + arrayString(type) + " = " + initializer(type) + ";\n"; } else if (qualifier == EvqVaryingOut || qualifier == EvqInvariantVaryingOut) { varyingOutput += " " + typeString(type) + " " + name + arrayString(type) + " : TEXCOORD0;\n"; // Actual semantic index assigned during link varyingGlobals += "static " + typeString(type) + " " + name + arrayString(type) + " = " + initializer(type) + ";\n"; } else if (qualifier == EvqGlobal) { globals += typeString(type) + " " + name + arrayString(type) + ";\n"; } else UNREACHABLE(); } } out << "uniform float2 gl_HalfPixelSize;\n"; out << "\n"; out << uniforms; out << "\n"; out << globals; out << "\n"; out << "struct VS_INPUT\n" // FIXME: Prevent name clashes "{\n"; out << attributeInput; out << "};\n" "\n"; out << attributeGlobals; out << "\n" "struct VS_OUTPUT\n" // FIXME: Prevent name clashes "{\n" " float4 gl_Position : POSITION;\n" " float gl_PointSize : PSIZE;\n"; out << varyingOutput; out << "};\n" "\n" "static float4 gl_Position = float4(0, 0, 0, 0);\n" "static float gl_PointSize = float(0);\n"; out << varyingGlobals; out << "\n"; } out << "struct gl_DepthRangeParameters\n" "{\n" " float near;\n" " float far;\n" " float diff;\n" "};\n" "\n" "uniform gl_DepthRangeParameters gl_DepthRange;\n" "\n" "float vec1(float x)\n" // FIXME: Prevent name clashes "{\n" " return x;\n" "}\n" "\n" "float vec1(float2 xy)\n" // FIXME: Prevent name clashes "{\n" " return xy[0];\n" "}\n" "\n" "float vec1(float3 xyz)\n" // FIXME: Prevent name clashes "{\n" " return xyz[0];\n" "}\n" "\n" "float vec1(float4 xyzw)\n" // FIXME: Prevent name clashes "{\n" " return xyzw[0];\n" "}\n" "\n" "float2 vec2(float x)\n" // FIXME: Prevent name clashes "{\n" " return float2(x, x);\n" "}\n" "\n" "float2 vec2(float x, float y)\n" // FIXME: Prevent name clashes "{\n" " return float2(x, y);\n" "}\n" "\n" "float2 vec2(float2 xy)\n" // FIXME: Prevent name clashes "{\n" " return xy;\n" "}\n" "\n" "float2 vec2(float3 xyz)\n" // FIXME: Prevent name clashes "{\n" " return float2(xyz[0], xyz[1]);\n" "}\n" "\n" "float2 vec2(float4 xyzw)\n" // FIXME: Prevent name clashes "{\n" " return float2(xyzw[0], xyzw[1]);\n" "}\n" "\n" "float3 vec3(float x)\n" // FIXME: Prevent name clashes "{\n" " return float3(x, x, x);\n" "}\n" "\n" "float3 vec3(float x, float y, float z)\n" // FIXME: Prevent name clashes "{\n" " return float3(x, y, z);\n" "}\n" "\n" "float3 vec3(float2 xy, float z)\n" // FIXME: Prevent name clashes "{\n" " return float3(xy[0], xy[1], z);\n" "}\n" "\n" "float3 vec3(float x, float2 yz)\n" // FIXME: Prevent name clashes "{\n" " return float3(x, yz[0], yz[1]);\n" "}\n" "\n" "float3 vec3(float3 xyz)\n" // FIXME: Prevent name clashes "{\n" " return xyz;\n" "}\n" "\n" "float3 vec3(float4 xyzw)\n" // FIXME: Prevent name clashes "{\n" " return float3(xyzw[0], xyzw[1], xyzw[2]);\n" "}\n" "\n" "float4 vec4(float x)\n" // FIXME: Prevent name clashes "{\n" " return float4(x, x, x, x);\n" "}\n" "\n" "float4 vec4(float x, float y, float z, float w)\n" // FIXME: Prevent name clashes "{\n" " return float4(x, y, z, w);\n" "}\n" "\n" "float4 vec4(float2 xy, float z, float w)\n" // FIXME: Prevent name clashes "{\n" " return float4(xy[0], xy[1], z, w);\n" "}\n" "\n" "float4 vec4(float x, float2 yz, float w)\n" // FIXME: Prevent name clashes "{\n" " return float4(x, yz[0], yz[1], w);\n" "}\n" "\n" "float4 vec4(float x, float y, float2 zw)\n" // FIXME: Prevent name clashes "{\n" " return float4(x, y, zw[0], zw[1]);\n" "}\n" "\n" "float4 vec4(float2 xy, float2 zw)\n" // FIXME: Prevent name clashes "{\n" " return float4(xy[0], xy[1], zw[0], zw[1]);\n" "}\n" "\n" "float4 vec4(float3 xyz, float w)\n" // FIXME: Prevent name clashes "{\n" " return float4(xyz[0], xyz[1], xyz[2], w);\n" "}\n" "\n" "float4 vec4(float x, float3 yzw)\n" // FIXME: Prevent name clashes "{\n" " return float4(x, yzw[0], yzw[1], yzw[2]);\n" "}\n" "\n" "float4 vec4(float4 xyzw)\n" // FIXME: Prevent name clashes "{\n" " return xyzw;\n" "}\n" "\n" "bool xor(bool p, bool q)\n" // FIXME: Prevent name clashes "{\n" " return (p || q) && !(p && q);\n" "}\n" "\n" "float mod(float x, float y)\n" // FIXME: Prevent name clashes "{\n" " return x - y * floor(x / y);\n" "}\n" "\n" "float2 mod(float2 x, float y)\n" // FIXME: Prevent name clashes "{\n" " return x - y * floor(x / y);\n" "}\n" "\n" "float3 mod(float3 x, float y)\n" // FIXME: Prevent name clashes "{\n" " return x - y * floor(x / y);\n" "}\n" "\n" "float4 mod(float4 x, float y)\n" // FIXME: Prevent name clashes "{\n" " return x - y * floor(x / y);\n" "}\n" "\n" "float faceforward(float N, float I, float Nref)\n" // FIXME: Prevent name clashes "{\n" " if(dot(Nref, I) < 0)\n" " {\n" " return N;\n" " }\n" " else\n" " {\n" " return -N;\n" " }\n" "}\n" "\n" "float2 faceforward(float2 N, float2 I, float2 Nref)\n" // FIXME: Prevent name clashes "{\n" " if(dot(Nref, I) < 0)\n" " {\n" " return N;\n" " }\n" " else\n" " {\n" " return -N;\n" " }\n" "}\n" "\n" "float3 faceforward(float3 N, float3 I, float3 Nref)\n" // FIXME: Prevent name clashes "{\n" " if(dot(Nref, I) < 0)\n" " {\n" " return N;\n" " }\n" " else\n" " {\n" " return -N;\n" " }\n" "}\n" "float4 faceforward(float4 N, float4 I, float4 Nref)\n" // FIXME: Prevent name clashes "{\n" " if(dot(Nref, I) < 0)\n" " {\n" " return N;\n" " }\n" " else\n" " {\n" " return -N;\n" " }\n" "}\n" "\n"; } void OutputHLSL::visitSymbol(TIntermSymbol *node) { TInfoSinkBase &out = context.infoSink.obj; TString name = node->getSymbol(); if (name == "gl_FragColor") { out << "gl_Color[0]"; } else if (name == "gl_FragData") { out << "gl_Color"; } else { out << name; } } bool OutputHLSL::visitBinary(Visit visit, TIntermBinary *node) { TInfoSinkBase &out = context.infoSink.obj; switch (node->getOp()) { case EOpAssign: outputTriplet(visit, "(", " = ", ")"); break; case EOpInitialize: outputTriplet(visit, NULL, " = ", NULL); break; case EOpAddAssign: outputTriplet(visit, NULL, " += ", NULL); break; case EOpSubAssign: outputTriplet(visit, NULL, " -= ", NULL); break; case EOpMulAssign: outputTriplet(visit, NULL, " *= ", NULL); break; case EOpVectorTimesMatrixAssign: UNIMPLEMENTED(); /* FIXME */ out << "matrix mult second child into first child"; break; case EOpVectorTimesScalarAssign: outputTriplet(visit, NULL, " *= ", NULL); break; case EOpMatrixTimesScalarAssign: UNIMPLEMENTED(); /* FIXME */ out << "matrix scale second child into first child"; break; case EOpMatrixTimesMatrixAssign: UNIMPLEMENTED(); /* FIXME */ out << "matrix mult second child into first child"; break; case EOpDivAssign: outputTriplet(visit, NULL, " /= ", NULL); break; case EOpModAssign: UNIMPLEMENTED(); /* FIXME */ out << "mod second child into first child"; break; case EOpAndAssign: UNIMPLEMENTED(); /* FIXME */ out << "and second child into first child"; break; case EOpInclusiveOrAssign: UNIMPLEMENTED(); /* FIXME */ out << "or second child into first child"; break; case EOpExclusiveOrAssign: UNIMPLEMENTED(); /* FIXME */ out << "exclusive or second child into first child"; break; case EOpLeftShiftAssign: UNIMPLEMENTED(); /* FIXME */ out << "left shift second child into first child"; break; case EOpRightShiftAssign: UNIMPLEMENTED(); /* FIXME */ out << "right shift second child into first child"; break; case EOpIndexDirect: outputTriplet(visit, NULL, "[", "]"); break; case EOpIndexIndirect: outputTriplet(visit, NULL, "[", "]"); break; case EOpIndexDirectStruct: outputTriplet(visit, NULL, ".", NULL); break; case EOpVectorSwizzle: if (visit == InVisit) { out << "."; TIntermAggregate *swizzle = node->getRight()->getAsAggregate(); if (swizzle) { TIntermSequence &sequence = swizzle->getSequence(); for (TIntermSequence::iterator sit = sequence.begin(); sit != sequence.end(); sit++) { TIntermConstantUnion *element = (*sit)->getAsConstantUnion(); if (element) { int i = element->getUnionArrayPointer()[0].getIConst(); switch (i) { case 0: out << "x"; break; case 1: out << "y"; break; case 2: out << "z"; break; case 3: out << "w"; break; default: UNREACHABLE(); } } else UNREACHABLE(); } } else UNREACHABLE(); return false; // Fully processed } break; case EOpAdd: outputTriplet(visit, "(", " + ", ")"); break; case EOpSub: outputTriplet(visit, "(", " - ", ")"); break; case EOpMul: outputTriplet(visit, "(", " * ", ")"); break; case EOpDiv: outputTriplet(visit, "(", " / ", ")"); break; case EOpMod: UNIMPLEMENTED(); /* FIXME */ out << "mod"; break; case EOpRightShift: UNIMPLEMENTED(); /* FIXME */ out << "right-shift"; break; case EOpLeftShift: UNIMPLEMENTED(); /* FIXME */ out << "left-shift"; break; case EOpAnd: UNIMPLEMENTED(); /* FIXME */ out << "bitwise and"; break; case EOpInclusiveOr: UNIMPLEMENTED(); /* FIXME */ out << "inclusive-or"; break; case EOpExclusiveOr: UNIMPLEMENTED(); /* FIXME */ out << "exclusive-or"; break; case EOpEqual: outputTriplet(visit, "(", " == ", ")"); break; case EOpNotEqual: outputTriplet(visit, "(", " != ", ")"); break; case EOpLessThan: outputTriplet(visit, "(", " < ", ")"); break; case EOpGreaterThan: outputTriplet(visit, "(", " > ", ")"); break; case EOpLessThanEqual: outputTriplet(visit, "(", " <= ", ")"); break; case EOpGreaterThanEqual: outputTriplet(visit, "(", " >= ", ")"); break; case EOpVectorTimesScalar: outputTriplet(visit, "(", " * ", ")"); break; case EOpVectorTimesMatrix: UNIMPLEMENTED(); /* FIXME */ out << "vector-times-matrix"; break; case EOpMatrixTimesVector: outputTriplet(visit, "mul(", ", ", ")"); break; case EOpMatrixTimesScalar: UNIMPLEMENTED(); /* FIXME */ out << "matrix-scale"; break; case EOpMatrixTimesMatrix: UNIMPLEMENTED(); /* FIXME */ out << "matrix-multiply"; break; case EOpLogicalOr: outputTriplet(visit, "(", " || ", ")"); break; case EOpLogicalXor: outputTriplet(visit, "xor(", ", ", ")"); break; // FIXME: Prevent name clashes case EOpLogicalAnd: outputTriplet(visit, "(", " && ", ")"); break; default: UNREACHABLE(); } return true; } bool OutputHLSL::visitUnary(Visit visit, TIntermUnary *node) { TInfoSinkBase &out = context.infoSink.obj; switch (node->getOp()) { case EOpNegative: outputTriplet(visit, "(-", NULL, ")"); break; case EOpVectorLogicalNot: outputTriplet(visit, "(!", NULL, ")"); break; case EOpLogicalNot: outputTriplet(visit, "(!", NULL, ")"); break; case EOpBitwiseNot: outputTriplet(visit, "(~", NULL, ")"); break; case EOpPostIncrement: outputTriplet(visit, "(", NULL, "++)"); break; case EOpPostDecrement: outputTriplet(visit, "(", NULL, "--)"); break; case EOpPreIncrement: outputTriplet(visit, "(++", NULL, ")"); break; case EOpPreDecrement: outputTriplet(visit, "(--", NULL, ")"); break; case EOpConvIntToBool: case EOpConvFloatToBool: switch (node->getOperand()->getType().getNominalSize()) { case 1: outputTriplet(visit, "bool(", NULL, ")"); break; case 2: outputTriplet(visit, "bool2(", NULL, ")"); break; case 3: outputTriplet(visit, "bool3(", NULL, ")"); break; case 4: outputTriplet(visit, "bool4(", NULL, ")"); break; default: UNREACHABLE(); } break; case EOpConvBoolToFloat: case EOpConvIntToFloat: switch (node->getOperand()->getType().getNominalSize()) { case 1: outputTriplet(visit, "float(", NULL, ")"); break; case 2: outputTriplet(visit, "float2(", NULL, ")"); break; case 3: outputTriplet(visit, "float3(", NULL, ")"); break; case 4: outputTriplet(visit, "float4(", NULL, ")"); break; default: UNREACHABLE(); } break; case EOpConvFloatToInt: case EOpConvBoolToInt: switch (node->getOperand()->getType().getNominalSize()) { case 1: outputTriplet(visit, "int(", NULL, ")"); break; case 2: outputTriplet(visit, "int2(", NULL, ")"); break; case 3: outputTriplet(visit, "int3(", NULL, ")"); break; case 4: outputTriplet(visit, "int4(", NULL, ")"); break; default: UNREACHABLE(); } break; case EOpRadians: outputTriplet(visit, "radians(", NULL, ")"); break; case EOpDegrees: outputTriplet(visit, "degrees(", NULL, ")"); break; case EOpSin: outputTriplet(visit, "sin(", NULL, ")"); break; case EOpCos: outputTriplet(visit, "cos(", NULL, ")"); break; case EOpTan: outputTriplet(visit, "tan(", NULL, ")"); break; case EOpAsin: outputTriplet(visit, "asin(", NULL, ")"); break; case EOpAcos: outputTriplet(visit, "acos(", NULL, ")"); break; case EOpAtan: outputTriplet(visit, "atan(", NULL, ")"); break; case EOpExp: outputTriplet(visit, "exp(", NULL, ")"); break; case EOpLog: outputTriplet(visit, "log(", NULL, ")"); break; case EOpExp2: outputTriplet(visit, "exp2(", NULL, ")"); break; case EOpLog2: outputTriplet(visit, "log2(", NULL, ")"); break; case EOpSqrt: outputTriplet(visit, "sqrt(", NULL, ")"); break; case EOpInverseSqrt: outputTriplet(visit, "rsqrt(", NULL, ")"); break; case EOpAbs: outputTriplet(visit, "abs(", NULL, ")"); break; case EOpSign: outputTriplet(visit, "sign(", NULL, ")"); break; case EOpFloor: outputTriplet(visit, "floor(", NULL, ")"); break; case EOpCeil: outputTriplet(visit, "ceil(", NULL, ")"); break; case EOpFract: outputTriplet(visit, "frac(", NULL, ")"); break; case EOpLength: outputTriplet(visit, "length(", NULL, ")"); break; case EOpNormalize: outputTriplet(visit, "normalize(", NULL, ")"); break; // case EOpDPdx: outputTriplet(visit, "ddx(", NULL, ")"); break; // case EOpDPdy: outputTriplet(visit, "ddy(", NULL, ")"); break; // case EOpFwidth: outputTriplet(visit, "fwidth(", NULL, ")"); break; case EOpAny: outputTriplet(visit, "any(", NULL, ")"); break; case EOpAll: outputTriplet(visit, "all(", NULL, ")"); break; default: UNREACHABLE(); } return true; } bool OutputHLSL::visitAggregate(Visit visit, TIntermAggregate *node) { EShLanguage language = context.language; TInfoSinkBase &out = context.infoSink.obj; if (node->getOp() == EOpNull) { out.message(EPrefixError, "node is still EOpNull!"); return true; } switch (node->getOp()) { case EOpSequence: outputTriplet(visit, NULL, ";\n", ";\n"); break; case EOpDeclaration: if (visit == PreVisit) { TIntermSequence &sequence = node->getSequence(); TIntermTyped *variable = sequence[0]->getAsTyped(); bool visit = true; if (variable && variable->getQualifier() == EvqTemporary) { out << typeString(variable->getType()) + " "; for (TIntermSequence::iterator sit = sequence.begin(); sit != sequence.end(); sit++) { TIntermSymbol *symbol = (*sit)->getAsSymbolNode(); if (symbol) { symbol->traverse(this); out << arrayString(symbol->getType()); } else { (*sit)->traverse(this); } if (visit && this->inVisit) { if (*sit != sequence.back()) { visit = this->visitAggregate(InVisit, node); } } } if (visit && this->postVisit) { this->visitAggregate(PostVisit, node); } } return false; } else if (visit == InVisit) { out << ", "; } break; case EOpComma: UNIMPLEMENTED(); /* FIXME */ out << "Comma\n"; return true; case EOpFunction: { const TString &mangledName = node->getName(); TString name = TString(mangledName.c_str(), mangledName.find_first_of('(')); if (visit == PreVisit) { if (name == "main") { TSymbolTableLevel *symbols = context.symbolTable.getGlobalLevel(); if (language == EShLangFragment) { out << "PS_OUTPUT main(PS_INPUT input)\n" // FIXME: Prevent name clashes "{\n"; for (TSymbolTableLevel::const_iterator namedSymbol = symbols->begin(); namedSymbol != symbols->end(); namedSymbol++) { const TSymbol *symbol = (*namedSymbol).second; const TString &name = symbol->getName(); if (symbol->isVariable()) { const TVariable *variable = static_cast<const TVariable*>(symbol); const TType &type = variable->getType(); TQualifier qualifier = type.getQualifier(); if(qualifier == EvqVaryingIn) { out << " " + name + " = input." + name + ";\n"; // FIXME: Prevent name clashes } } } } else { out << "VS_OUTPUT main(VS_INPUT input)\n" // FIXME: Prevent name clashes "{\n"; for (TSymbolTableLevel::const_iterator namedSymbol = symbols->begin(); namedSymbol != symbols->end(); namedSymbol++) { const TSymbol *symbol = (*namedSymbol).second; const TString &name = symbol->getName(); if (symbol->isVariable()) { const TVariable *variable = static_cast<const TVariable*>(symbol); const TType &type = variable->getType(); TQualifier qualifier = type.getQualifier(); if (qualifier == EvqAttribute) { out << " " + name + " = input." + name + ";\n"; // FIXME: Prevent name clashes } } } } // Erase the (empty) argument list TIntermSequence &sequence = node->getSequence(); sequence.erase(sequence.begin()); } else { out << typeString(node->getType()) << " " << name << "("; TIntermSequence &sequence = node->getSequence(); TIntermSequence &arguments = sequence[0]->getAsAggregate()->getSequence(); for (unsigned int i = 0; i < arguments.size(); i++) { TIntermSymbol *symbol = arguments[i]->getAsSymbolNode(); if (symbol) { const TType &type = symbol->getType(); const TString &name = symbol->getSymbol(); out << typeString(type) + " " + name; if(i < arguments.size() - 1) { out << ", "; } } else UNREACHABLE(); } sequence.erase(sequence.begin()); out << ")\n" "{\n"; } } else if (visit == PostVisit) { if (name == "main") { if (language == EShLangFragment) { out << " PS_OUTPUT output;\n" // FIXME: Prevent name clashes " output.gl_Color[0] = gl_Color[0];\n"; // FIXME: Prevent name clashes TSymbolTableLevel *symbols = context.symbolTable.getGlobalLevel(); for (TSymbolTableLevel::const_iterator namedSymbol = symbols->begin(); namedSymbol != symbols->end(); namedSymbol++) { const TSymbol *symbol = (*namedSymbol).second; const TString &name = symbol->getName(); } } else { out << " VS_OUTPUT output;\n" // FIXME: Prevent name clashes " output.gl_Position.x = gl_Position.x - gl_HalfPixelSize.x * gl_Position.w;\n" " output.gl_Position.y = -(gl_Position.y - gl_HalfPixelSize.y * gl_Position.w);\n" " output.gl_Position.z = (gl_Position.z + gl_Position.w) * 0.5;\n" " output.gl_Position.w = gl_Position.w;\n" " output.gl_PointSize = gl_PointSize;\n"; TSymbolTableLevel *symbols = context.symbolTable.getGlobalLevel(); for (TSymbolTableLevel::const_iterator namedSymbol = symbols->begin(); namedSymbol != symbols->end(); namedSymbol++) { const TSymbol *symbol = (*namedSymbol).second; const TString &name = symbol->getName(); if (symbol->isVariable()) { const TVariable *variable = static_cast<const TVariable*>(symbol); TQualifier qualifier = variable->getType().getQualifier(); if(qualifier == EvqVaryingOut || qualifier == EvqInvariantVaryingOut) { out << " output." + name + " = " + name + ";\n"; // FIXME: Prevent name clashes } } } } out << " return output;\n" // FIXME: Prevent name clashes "}\n"; } else { out << "}\n"; } } } break; case EOpFunctionCall: { if (visit == PreVisit) { const TString &mangledName = node->getName(); TString name = TString(mangledName.c_str(), mangledName.find_first_of('(')); if (node->isUserDefined()) { out << name << "("; } else { if (name == "texture2D") { if (node->getSequence().size() == 2) { out << "gl_texture2D("; } else if (node->getSequence().size() == 3) { out << "gl_texture2DBias("; } else UNREACHABLE(); } else if (name == "texture2DProj") { out << "gl_texture2DProj("; } else if (name == "texture2DLod") { out << "gl_texture2DLod("; UNIMPLEMENTED(); // FIXME: Move lod to last texture coordinate component } else if (name == "texture2DProjLod") { out << "gl_texture2DProjLod("; UNIMPLEMENTED(); // FIXME: Move lod to last texture coordinate component } else if (name == "textureCube") { out << "gl_textureCube("; // FIXME: Incorrect sampling location } else { UNIMPLEMENTED(); // FIXME } } } else if (visit == InVisit) { out << ", "; } else { out << ")"; } } break; case EOpParameters: outputTriplet(visit, "(", ", ", ")\n{\n"); break; case EOpConstructFloat: outputTriplet(visit, "vec1(", NULL, ")"); break; case EOpConstructVec2: outputTriplet(visit, "vec2(", ", ", ")"); break; case EOpConstructVec3: outputTriplet(visit, "vec3(", ", ", ")"); break; case EOpConstructVec4: outputTriplet(visit, "vec4(", ", ", ")"); break; case EOpConstructBool: UNIMPLEMENTED(); /* FIXME */ out << "Construct bool"; break; case EOpConstructBVec2: UNIMPLEMENTED(); /* FIXME */ out << "Construct bvec2"; break; case EOpConstructBVec3: UNIMPLEMENTED(); /* FIXME */ out << "Construct bvec3"; break; case EOpConstructBVec4: UNIMPLEMENTED(); /* FIXME */ out << "Construct bvec4"; break; case EOpConstructInt: UNIMPLEMENTED(); /* FIXME */ out << "Construct int"; break; case EOpConstructIVec2: UNIMPLEMENTED(); /* FIXME */ out << "Construct ivec2"; break; case EOpConstructIVec3: UNIMPLEMENTED(); /* FIXME */ out << "Construct ivec3"; break; case EOpConstructIVec4: UNIMPLEMENTED(); /* FIXME */ out << "Construct ivec4"; break; case EOpConstructMat2: outputTriplet(visit, "float2x2(", ", ", ")"); break; case EOpConstructMat3: outputTriplet(visit, "float3x3(", ", ", ")"); break; case EOpConstructMat4: UNIMPLEMENTED(); /* FIXME */ out << "Construct mat4"; break; case EOpConstructStruct: UNIMPLEMENTED(); /* FIXME */ out << "Construct structure"; break; case EOpLessThan: outputTriplet(visit, "(", " < ", ")"); break; case EOpGreaterThan: outputTriplet(visit, "(", " > ", ")"); break; case EOpLessThanEqual: outputTriplet(visit, "(", " <= ", ")"); break; case EOpGreaterThanEqual: outputTriplet(visit, "(", " >= ", ")"); break; case EOpVectorEqual: outputTriplet(visit, "(", " == ", ")"); break; case EOpVectorNotEqual: outputTriplet(visit, "(", " != ", ")"); break; case EOpMod: outputTriplet(visit, "mod(", ", ", ")"); break; // FIXME: Prevent name clashes case EOpPow: outputTriplet(visit, "pow(", ", ", ")"); break; case EOpAtan: if (node->getSequence().size() == 1) { outputTriplet(visit, "atan(", ", ", ")"); } else if (node->getSequence().size() == 2) { outputTriplet(visit, "atan2(", ", ", ")"); } else UNREACHABLE(); break; case EOpMin: outputTriplet(visit, "min(", ", ", ")"); break; case EOpMax: outputTriplet(visit, "max(", ", ", ")"); break; case EOpClamp: outputTriplet(visit, "clamp(", ", ", ")"); break; case EOpMix: outputTriplet(visit, "lerp(", ", ", ")"); break; case EOpStep: outputTriplet(visit, "step(", ", ", ")"); break; case EOpSmoothStep: outputTriplet(visit, "smoothstep(", ", ", ")"); break; case EOpDistance: outputTriplet(visit, "distance(", ", ", ")"); break; case EOpDot: outputTriplet(visit, "dot(", ", ", ")"); break; case EOpCross: outputTriplet(visit, "cross(", ", ", ")"); break; case EOpFaceForward: outputTriplet(visit, "faceforward(", ", ", ")"); break; case EOpReflect: outputTriplet(visit, "reflect(", ", ", ")"); break; case EOpRefract: outputTriplet(visit, "refract(", ", ", ")"); break; case EOpMul: outputTriplet(visit, "(", " * ", ")"); break; case EOpItof: UNIMPLEMENTED(); /* FIXME */ out << "itof"; break; case EOpFtoi: UNIMPLEMENTED(); /* FIXME */ out << "ftoi"; break; case EOpSkipPixels: UNIMPLEMENTED(); /* FIXME */ out << "skipPixels"; break; case EOpReadInput: UNIMPLEMENTED(); /* FIXME */ out << "readInput"; break; case EOpWritePixel: UNIMPLEMENTED(); /* FIXME */ out << "writePixel"; break; case EOpBitmapLsb: UNIMPLEMENTED(); /* FIXME */ out << "bitmapLSB"; break; case EOpBitmapMsb: UNIMPLEMENTED(); /* FIXME */ out << "bitmapMSB"; break; case EOpWriteOutput: UNIMPLEMENTED(); /* FIXME */ out << "writeOutput"; break; case EOpReadPixel: UNIMPLEMENTED(); /* FIXME */ out << "readPixel"; break; default: UNREACHABLE(); } return true; } bool OutputHLSL::visitSelection(Visit visit, TIntermSelection *node) { TInfoSinkBase &out = context.infoSink.obj; out << "if("; node->getCondition()->traverse(this); out << ")\n" "{\n"; node->getTrueBlock()->traverse(this); out << ";}\n"; if (node->getFalseBlock()) { out << "else\n" "{\n"; node->getFalseBlock()->traverse(this); out << ";}\n"; } return false; } void OutputHLSL::visitConstantUnion(TIntermConstantUnion *node) { TInfoSinkBase &out = context.infoSink.obj; TType &type = node->getType(); if (type.isField()) { out << type.getFieldName(); } else { int size = type.getObjectSize(); bool matrix = type.isMatrix(); TBasicType basicType = node->getUnionArrayPointer()[0].getType(); switch (basicType) { case EbtBool: if (!matrix) { switch (size) { case 1: out << "bool("; break; case 2: out << "bool2("; break; case 3: out << "bool3("; break; case 4: out << "bool4("; break; default: UNREACHABLE(); } } else { UNIMPLEMENTED(); } break; case EbtFloat: if (!matrix) { switch (size) { case 1: out << "float("; break; case 2: out << "float2("; break; case 3: out << "float3("; break; case 4: out << "float4("; break; default: UNREACHABLE(); } } else { switch (size) { case 4: out << "float2x2("; break; case 9: out << "float3x3("; break; case 16: out << "float4x4("; break; default: UNREACHABLE(); } } break; case EbtInt: if (!matrix) { switch (size) { case 1: out << "int("; break; case 2: out << "int2("; break; case 3: out << "int3("; break; case 4: out << "int4("; break; default: UNREACHABLE(); } } else { UNIMPLEMENTED(); } break; default: UNIMPLEMENTED(); // FIXME } for (int i = 0; i < size; i++) { switch (basicType) { case EbtBool: if (node->getUnionArrayPointer()[i].getBConst()) { out << "true"; } else { out << "false"; } break; case EbtFloat: out << node->getUnionArrayPointer()[i].getFConst(); break; case EbtInt: out << node->getUnionArrayPointer()[i].getIConst(); break; default: UNIMPLEMENTED(); // FIXME } if (i != size - 1) { out << ", "; } } out << ")"; } } bool OutputHLSL::visitLoop(Visit visit, TIntermLoop *node) { TInfoSinkBase &out = context.infoSink.obj; if (!node->testFirst()) { out << "do\n" "{\n"; } else { out << "for("; if (node->getInit()) { node->getInit()->traverse(this); } out << "; "; if (node->getTest()) { node->getTest()->traverse(this); } out << "; "; if (node->getTerminal()) { node->getTerminal()->traverse(this); } out << ")\n" "{\n"; } if (node->getBody()) { node->getBody()->traverse(this); } out << "}\n"; if (!node->testFirst()) { out << "while(\n"; node->getTest()->traverse(this); out << ")"; } out << ";\n"; return false; } bool OutputHLSL::visitBranch(Visit visit, TIntermBranch *node) { TInfoSinkBase &out = context.infoSink.obj; switch (node->getFlowOp()) { case EOpKill: outputTriplet(visit, "discard", NULL, NULL); break; case EOpBreak: UNIMPLEMENTED(); /* FIXME */ break; case EOpContinue: UNIMPLEMENTED(); /* FIXME */ break; case EOpReturn: if (visit == PreVisit) { if (node->getExpression()) { out << "return "; } else { out << "return;\n"; } } else if (visit == PostVisit) { out << ";\n"; } break; default: UNREACHABLE(); } return true; } void OutputHLSL::outputTriplet(Visit visit, const char *preString, const char *inString, const char *postString) { TInfoSinkBase &out = context.infoSink.obj; if (visit == PreVisit && preString) { out << preString; } else if (visit == InVisit && inString) { out << inString; } else if (visit == PostVisit && postString) { out << postString; } } TString OutputHLSL::typeString(const TType &type) { if (type.isMatrix()) { switch (type.getNominalSize()) { case 2: return "float2x2"; case 3: return "float3x3"; case 4: return "float4x4"; } } else { switch (type.getBasicType()) { case EbtFloat: switch (type.getNominalSize()) { case 1: return "float"; case 2: return "float2"; case 3: return "float3"; case 4: return "float4"; } case EbtInt: switch (type.getNominalSize()) { case 1: return "int"; case 2: return "int2"; case 3: return "int3"; case 4: return "int4"; } case EbtBool: switch (type.getNominalSize()) { case 1: return "bool"; case 2: return "bool2"; case 3: return "bool3"; case 4: return "bool4"; } case EbtVoid: return "void"; case EbtSampler2D: return "sampler2D"; case EbtSamplerCube: return "samplerCUBE"; } } UNIMPLEMENTED(); // FIXME return "<unknown type>"; } TString OutputHLSL::arrayString(const TType &type) { if (!type.isArray()) { return ""; } char buffer[100]; sprintf(buffer, "[%d]", type.getArraySize()); return buffer; } TString OutputHLSL::initializer(const TType &type) { TString string; int arraySize = type.isArray() ? type.getArraySize() : 1; if (type.isArray()) { string += "{"; } for (int element = 0; element < arraySize; element++) { string += typeString(type) + "("; for (int component = 0; component < type.getNominalSize(); component++) { string += "0"; if (component < type.getNominalSize() - 1) { string += ", "; } } string += ")"; if (element < arraySize - 1) { string += ", "; } } if (type.isArray()) { string += "}"; } return string; } }