ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 7 | |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 8 | #ifndef SKSL_SPIRVCODEGENERATOR |
| 9 | #define SKSL_SPIRVCODEGENERATOR |
| 10 | |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 11 | #include <stack> |
| 12 | #include <tuple> |
| 13 | #include <unordered_map> |
| 14 | |
| 15 | #include "SkSLCodeGenerator.h" |
ethannicholas | 8ac838d | 2016-11-22 08:39:36 -0800 | [diff] [blame] | 16 | #include "SkSLMemoryLayout.h" |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 17 | #include "ir/SkSLBinaryExpression.h" |
| 18 | #include "ir/SkSLBoolLiteral.h" |
| 19 | #include "ir/SkSLConstructor.h" |
Ethan Nicholas | fd146aa | 2017-01-13 16:40:35 -0500 | [diff] [blame] | 20 | #include "ir/SkSLDoStatement.h" |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 21 | #include "ir/SkSLFloatLiteral.h" |
| 22 | #include "ir/SkSLIfStatement.h" |
| 23 | #include "ir/SkSLIndexExpression.h" |
| 24 | #include "ir/SkSLInterfaceBlock.h" |
| 25 | #include "ir/SkSLIntLiteral.h" |
| 26 | #include "ir/SkSLFieldAccess.h" |
| 27 | #include "ir/SkSLForStatement.h" |
| 28 | #include "ir/SkSLFunctionCall.h" |
| 29 | #include "ir/SkSLFunctionDeclaration.h" |
| 30 | #include "ir/SkSLFunctionDefinition.h" |
| 31 | #include "ir/SkSLPrefixExpression.h" |
| 32 | #include "ir/SkSLPostfixExpression.h" |
| 33 | #include "ir/SkSLProgramElement.h" |
| 34 | #include "ir/SkSLReturnStatement.h" |
| 35 | #include "ir/SkSLStatement.h" |
Ethan Nicholas | e92b1b1 | 2017-11-13 16:13:21 -0500 | [diff] [blame] | 36 | #include "ir/SkSLSwitchStatement.h" |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 37 | #include "ir/SkSLSwizzle.h" |
| 38 | #include "ir/SkSLTernaryExpression.h" |
ethannicholas | 22f939e | 2016-10-13 13:25:34 -0700 | [diff] [blame] | 39 | #include "ir/SkSLVarDeclarations.h" |
| 40 | #include "ir/SkSLVarDeclarationsStatement.h" |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 41 | #include "ir/SkSLVariableReference.h" |
Ethan Nicholas | fd146aa | 2017-01-13 16:40:35 -0500 | [diff] [blame] | 42 | #include "ir/SkSLWhileStatement.h" |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 43 | #include "spirv.h" |
| 44 | |
| 45 | namespace SkSL { |
| 46 | |
| 47 | #define kLast_Capability SpvCapabilityMultiViewport |
| 48 | |
| 49 | /** |
| 50 | * Converts a Program into a SPIR-V binary. |
| 51 | */ |
| 52 | class SPIRVCodeGenerator : public CodeGenerator { |
| 53 | public: |
| 54 | class LValue { |
| 55 | public: |
| 56 | virtual ~LValue() {} |
Greg Daniel | 64773e6 | 2016-11-22 09:44:03 -0500 | [diff] [blame] | 57 | |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 58 | // returns a pointer to the lvalue, if possible. If the lvalue cannot be directly referenced |
| 59 | // by a pointer (e.g. vector swizzles), returns 0. |
| 60 | virtual SpvId getPointer() = 0; |
| 61 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 62 | virtual SpvId load(OutputStream& out) = 0; |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 63 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 64 | virtual void store(SpvId value, OutputStream& out) = 0; |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 65 | }; |
| 66 | |
Ethan Nicholas | 941e7e2 | 2016-12-12 15:33:30 -0500 | [diff] [blame] | 67 | SPIRVCodeGenerator(const Context* context, const Program* program, ErrorReporter* errors, |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 68 | OutputStream* out) |
Ethan Nicholas | 941e7e2 | 2016-12-12 15:33:30 -0500 | [diff] [blame] | 69 | : INHERITED(program, errors, out) |
| 70 | , fContext(*context) |
ethannicholas | 8ac838d | 2016-11-22 08:39:36 -0800 | [diff] [blame] | 71 | , fDefaultLayout(MemoryLayout::k140_Standard) |
ethannicholas | d598f79 | 2016-07-25 10:08:54 -0700 | [diff] [blame] | 72 | , fCapabilities(1 << SpvCapabilityShader) |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 73 | , fIdCount(1) |
| 74 | , fBoolTrue(0) |
| 75 | , fBoolFalse(0) |
Ethan Nicholas | 941e7e2 | 2016-12-12 15:33:30 -0500 | [diff] [blame] | 76 | , fSetupFragPosition(false) |
Ethan Nicholas | 8feeff9 | 2017-03-30 14:11:58 -0400 | [diff] [blame] | 77 | , fCurrentBlock(0) |
| 78 | , fSynthetics(nullptr, errors) { |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 79 | this->setupIntrinsics(); |
| 80 | } |
| 81 | |
Ethan Nicholas | 941e7e2 | 2016-12-12 15:33:30 -0500 | [diff] [blame] | 82 | bool generateCode() override; |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 83 | |
| 84 | private: |
| 85 | enum IntrinsicKind { |
| 86 | kGLSL_STD_450_IntrinsicKind, |
| 87 | kSPIRV_IntrinsicKind, |
| 88 | kSpecial_IntrinsicKind |
| 89 | }; |
| 90 | |
| 91 | enum SpecialIntrinsic { |
| 92 | kAtan_SpecialIntrinsic, |
Ethan Nicholas | 0fc07f9 | 2018-02-27 15:25:47 -0500 | [diff] [blame] | 93 | kClamp_SpecialIntrinsic, |
| 94 | kMax_SpecialIntrinsic, |
| 95 | kMin_SpecialIntrinsic, |
| 96 | kMix_SpecialIntrinsic, |
Ethan Nicholas | 70a44b2 | 2017-11-30 09:09:16 -0500 | [diff] [blame] | 97 | kMod_SpecialIntrinsic, |
Greg Daniel | 64773e6 | 2016-11-22 09:44:03 -0500 | [diff] [blame] | 98 | kSubpassLoad_SpecialIntrinsic, |
Ethan Nicholas | 0187ae6 | 2017-05-03 11:03:44 -0400 | [diff] [blame] | 99 | kTexelFetch_SpecialIntrinsic, |
| 100 | kTexture_SpecialIntrinsic, |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 101 | }; |
| 102 | |
| 103 | void setupIntrinsics(); |
| 104 | |
| 105 | SpvId nextId(); |
| 106 | |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 107 | Type getActualType(const Type& type); |
| 108 | |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 109 | SpvId getType(const Type& type); |
| 110 | |
ethannicholas | 8ac838d | 2016-11-22 08:39:36 -0800 | [diff] [blame] | 111 | SpvId getType(const Type& type, const MemoryLayout& layout); |
| 112 | |
Ethan Nicholas | 0187ae6 | 2017-05-03 11:03:44 -0400 | [diff] [blame] | 113 | SpvId getImageType(const Type& type); |
| 114 | |
ethannicholas | d598f79 | 2016-07-25 10:08:54 -0700 | [diff] [blame] | 115 | SpvId getFunctionType(const FunctionDeclaration& function); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 116 | |
ethannicholas | d598f79 | 2016-07-25 10:08:54 -0700 | [diff] [blame] | 117 | SpvId getPointerType(const Type& type, SpvStorageClass_ storageClass); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 118 | |
Ethan Nicholas | 941e7e2 | 2016-12-12 15:33:30 -0500 | [diff] [blame] | 119 | SpvId getPointerType(const Type& type, const MemoryLayout& layout, |
ethannicholas | 8ac838d | 2016-11-22 08:39:36 -0800 | [diff] [blame] | 120 | SpvStorageClass_ storageClass); |
| 121 | |
Ethan Nicholas | a51d713 | 2017-06-09 10:47:31 -0400 | [diff] [blame] | 122 | void writePrecisionModifier(const Modifiers& modifiers, SpvId id); |
| 123 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 124 | std::vector<SpvId> getAccessChain(const Expression& expr, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 125 | |
| 126 | void writeLayout(const Layout& layout, SpvId target); |
| 127 | |
| 128 | void writeLayout(const Layout& layout, SpvId target, int member); |
| 129 | |
ethannicholas | 8ac838d | 2016-11-22 08:39:36 -0800 | [diff] [blame] | 130 | void writeStruct(const Type& type, const MemoryLayout& layout, SpvId resultId); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 131 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 132 | void writeProgramElement(const ProgramElement& pe, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 133 | |
ethannicholas | f789b38 | 2016-08-03 12:43:36 -0700 | [diff] [blame] | 134 | SpvId writeInterfaceBlock(const InterfaceBlock& intf); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 135 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 136 | SpvId writeFunctionStart(const FunctionDeclaration& f, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 137 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 138 | SpvId writeFunctionDeclaration(const FunctionDeclaration& f, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 139 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 140 | SpvId writeFunction(const FunctionDefinition& f, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 141 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 142 | void writeGlobalVars(Program::Kind kind, const VarDeclarations& v, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 143 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 144 | void writeVarDeclarations(const VarDeclarations& decl, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 145 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 146 | SpvId writeVariableReference(const VariableReference& ref, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 147 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 148 | std::unique_ptr<LValue> getLValue(const Expression& value, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 149 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 150 | SpvId writeExpression(const Expression& expr, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 151 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 152 | SpvId writeIntrinsicCall(const FunctionCall& c, OutputStream& out); |
| 153 | |
| 154 | SpvId writeFunctionCall(const FunctionCall& c, OutputStream& out); |
| 155 | |
Ethan Nicholas | 0fc07f9 | 2018-02-27 15:25:47 -0500 | [diff] [blame] | 156 | |
| 157 | void writeGLSLExtendedInstruction(const Type& type, SpvId id, SpvId floatInst, |
| 158 | SpvId signedInst, SpvId unsignedInst, |
| 159 | const std::vector<SpvId>& args, OutputStream& out); |
| 160 | |
| 161 | /** |
| 162 | * Given a list of potentially mixed scalars and vectors, promotes the scalars to match the |
| 163 | * size of the vectors and returns the ids of the written expressions. e.g. given (float, vec2), |
| 164 | * returns (vec2(float), vec2). It is an error to use mismatched vector sizes, e.g. (float, |
| 165 | * vec2, vec3). |
| 166 | */ |
| 167 | std::vector<SpvId> vectorize(const std::vector<std::unique_ptr<Expression>>& args, |
| 168 | OutputStream& out); |
| 169 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 170 | SpvId writeSpecialIntrinsic(const FunctionCall& c, SpecialIntrinsic kind, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 171 | |
ethannicholas | f789b38 | 2016-08-03 12:43:36 -0700 | [diff] [blame] | 172 | SpvId writeConstantVector(const Constructor& c); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 173 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 174 | SpvId writeFloatConstructor(const Constructor& c, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 175 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 176 | SpvId writeIntConstructor(const Constructor& c, OutputStream& out); |
Ethan Nicholas | 84645e3 | 2017-02-09 13:57:14 -0500 | [diff] [blame] | 177 | |
Ethan Nicholas | 925f52d | 2017-07-19 10:42:50 -0400 | [diff] [blame] | 178 | SpvId writeUIntConstructor(const Constructor& c, OutputStream& out); |
| 179 | |
Ethan Nicholas | 84645e3 | 2017-02-09 13:57:14 -0500 | [diff] [blame] | 180 | /** |
| 181 | * Writes a matrix with the diagonal entries all equal to the provided expression, and all other |
| 182 | * entries equal to zero. |
| 183 | */ |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 184 | void writeUniformScaleMatrix(SpvId id, SpvId diagonal, const Type& type, OutputStream& out); |
Ethan Nicholas | 84645e3 | 2017-02-09 13:57:14 -0500 | [diff] [blame] | 185 | |
| 186 | /** |
| 187 | * Writes a potentially-different-sized copy of a matrix. Entries which do not exist in the |
| 188 | * source matrix are filled with zero; entries which do not exist in the destination matrix are |
| 189 | * ignored. |
| 190 | */ |
| 191 | void writeMatrixCopy(SpvId id, SpvId src, const Type& srcType, const Type& dstType, |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 192 | OutputStream& out); |
Ethan Nicholas | 84645e3 | 2017-02-09 13:57:14 -0500 | [diff] [blame] | 193 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 194 | SpvId writeMatrixConstructor(const Constructor& c, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 195 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 196 | SpvId writeVectorConstructor(const Constructor& c, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 197 | |
Ethan Nicholas | bd55322 | 2017-07-18 15:54:59 -0400 | [diff] [blame] | 198 | SpvId writeArrayConstructor(const Constructor& c, OutputStream& out); |
| 199 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 200 | SpvId writeConstructor(const Constructor& c, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 201 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 202 | SpvId writeFieldAccess(const FieldAccess& f, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 203 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 204 | SpvId writeSwizzle(const Swizzle& swizzle, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 205 | |
Ethan Nicholas | ef653b8 | 2017-02-21 13:50:00 -0500 | [diff] [blame] | 206 | /** |
| 207 | * Folds the potentially-vector result of a logical operation down to a single bool. If |
| 208 | * operandType is a vector type, assumes that the intermediate result in id is a bvec of the |
| 209 | * same dimensions, and applys all() to it to fold it down to a single bool value. Otherwise, |
| 210 | * returns the original id value. |
| 211 | */ |
Ethan Nicholas | 48e2405 | 2018-03-14 13:51:39 -0400 | [diff] [blame] | 212 | SpvId foldToBool(SpvId id, const Type& operandType, SpvOp op, OutputStream& out); |
Ethan Nicholas | ef653b8 | 2017-02-21 13:50:00 -0500 | [diff] [blame] | 213 | |
Ethan Nicholas | 68990be | 2017-07-13 09:36:52 -0400 | [diff] [blame] | 214 | SpvId writeMatrixComparison(const Type& operandType, SpvId lhs, SpvId rhs, SpvOp_ floatOperator, |
| 215 | SpvOp_ intOperator, OutputStream& out); |
| 216 | |
Ethan Nicholas | 941e7e2 | 2016-12-12 15:33:30 -0500 | [diff] [blame] | 217 | SpvId writeBinaryOperation(const Type& resultType, const Type& operandType, SpvId lhs, |
| 218 | SpvId rhs, SpvOp_ ifFloat, SpvOp_ ifInt, SpvOp_ ifUInt, |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 219 | SpvOp_ ifBool, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 220 | |
Ethan Nicholas | 941e7e2 | 2016-12-12 15:33:30 -0500 | [diff] [blame] | 221 | SpvId writeBinaryOperation(const BinaryExpression& expr, SpvOp_ ifFloat, SpvOp_ ifInt, |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 222 | SpvOp_ ifUInt, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 223 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 224 | SpvId writeBinaryExpression(const BinaryExpression& b, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 225 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 226 | SpvId writeTernaryExpression(const TernaryExpression& t, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 227 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 228 | SpvId writeIndexExpression(const IndexExpression& expr, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 229 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 230 | SpvId writeLogicalAnd(const BinaryExpression& b, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 231 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 232 | SpvId writeLogicalOr(const BinaryExpression& o, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 233 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 234 | SpvId writePrefixExpression(const PrefixExpression& p, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 235 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 236 | SpvId writePostfixExpression(const PostfixExpression& p, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 237 | |
ethannicholas | f789b38 | 2016-08-03 12:43:36 -0700 | [diff] [blame] | 238 | SpvId writeBoolLiteral(const BoolLiteral& b); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 239 | |
ethannicholas | f789b38 | 2016-08-03 12:43:36 -0700 | [diff] [blame] | 240 | SpvId writeIntLiteral(const IntLiteral& i); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 241 | |
ethannicholas | f789b38 | 2016-08-03 12:43:36 -0700 | [diff] [blame] | 242 | SpvId writeFloatLiteral(const FloatLiteral& f); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 243 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 244 | void writeStatement(const Statement& s, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 245 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 246 | void writeBlock(const Block& b, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 247 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 248 | void writeIfStatement(const IfStatement& stmt, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 249 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 250 | void writeForStatement(const ForStatement& f, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 251 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 252 | void writeWhileStatement(const WhileStatement& w, OutputStream& out); |
Ethan Nicholas | fd146aa | 2017-01-13 16:40:35 -0500 | [diff] [blame] | 253 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 254 | void writeDoStatement(const DoStatement& d, OutputStream& out); |
Ethan Nicholas | fd146aa | 2017-01-13 16:40:35 -0500 | [diff] [blame] | 255 | |
Ethan Nicholas | e92b1b1 | 2017-11-13 16:13:21 -0500 | [diff] [blame] | 256 | void writeSwitchStatement(const SwitchStatement& s, OutputStream& out); |
| 257 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 258 | void writeReturnStatement(const ReturnStatement& r, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 259 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 260 | void writeCapabilities(OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 261 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 262 | void writeInstructions(const Program& program, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 263 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 264 | void writeOpCode(SpvOp_ opCode, int length, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 265 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 266 | void writeWord(int32_t word, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 267 | |
Ethan Nicholas | 5b5f096 | 2017-09-11 13:50:14 -0700 | [diff] [blame] | 268 | void writeString(const char* string, size_t length, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 269 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 270 | void writeLabel(SpvId id, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 271 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 272 | void writeInstruction(SpvOp_ opCode, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 273 | |
Ethan Nicholas | 5b5f096 | 2017-09-11 13:50:14 -0700 | [diff] [blame] | 274 | void writeInstruction(SpvOp_ opCode, StringFragment string, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 275 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 276 | void writeInstruction(SpvOp_ opCode, int32_t word1, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 277 | |
Ethan Nicholas | 5b5f096 | 2017-09-11 13:50:14 -0700 | [diff] [blame] | 278 | void writeInstruction(SpvOp_ opCode, int32_t word1, StringFragment string, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 279 | |
Ethan Nicholas | 5b5f096 | 2017-09-11 13:50:14 -0700 | [diff] [blame] | 280 | void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, StringFragment string, |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 281 | OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 282 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 283 | void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 284 | |
Ethan Nicholas | 941e7e2 | 2016-12-12 15:33:30 -0500 | [diff] [blame] | 285 | void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, int32_t word3, |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 286 | OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 287 | |
| 288 | void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, int32_t word3, int32_t word4, |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 289 | OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 290 | |
| 291 | void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, int32_t word3, int32_t word4, |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 292 | int32_t word5, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 293 | |
| 294 | void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, int32_t word3, int32_t word4, |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 295 | int32_t word5, int32_t word6, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 296 | |
| 297 | void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, int32_t word3, int32_t word4, |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 298 | int32_t word5, int32_t word6, int32_t word7, OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 299 | |
| 300 | void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, int32_t word3, int32_t word4, |
Ethan Nicholas | 941e7e2 | 2016-12-12 15:33:30 -0500 | [diff] [blame] | 301 | int32_t word5, int32_t word6, int32_t word7, int32_t word8, |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 302 | OutputStream& out); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 303 | |
Ethan Nicholas | bb155e2 | 2017-07-24 10:05:09 -0400 | [diff] [blame] | 304 | void writeGeometryShaderExecutionMode(SpvId entryPoint, OutputStream& out); |
| 305 | |
ethannicholas | d598f79 | 2016-07-25 10:08:54 -0700 | [diff] [blame] | 306 | const Context& fContext; |
ethannicholas | 8ac838d | 2016-11-22 08:39:36 -0800 | [diff] [blame] | 307 | const MemoryLayout fDefaultLayout; |
ethannicholas | d598f79 | 2016-07-25 10:08:54 -0700 | [diff] [blame] | 308 | |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 309 | uint64_t fCapabilities; |
| 310 | SpvId fIdCount; |
| 311 | SpvId fGLSLExtendedInstructions; |
| 312 | typedef std::tuple<IntrinsicKind, int32_t, int32_t, int32_t, int32_t> Intrinsic; |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 313 | std::unordered_map<String, Intrinsic> fIntrinsicMap; |
ethannicholas | d598f79 | 2016-07-25 10:08:54 -0700 | [diff] [blame] | 314 | std::unordered_map<const FunctionDeclaration*, SpvId> fFunctionMap; |
| 315 | std::unordered_map<const Variable*, SpvId> fVariableMap; |
| 316 | std::unordered_map<const Variable*, int32_t> fInterfaceBlockMap; |
Ethan Nicholas | 0187ae6 | 2017-05-03 11:03:44 -0400 | [diff] [blame] | 317 | std::unordered_map<String, SpvId> fImageTypeMap; |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 318 | std::unordered_map<String, SpvId> fTypeMap; |
| 319 | StringStream fCapabilitiesBuffer; |
| 320 | StringStream fGlobalInitializersBuffer; |
| 321 | StringStream fConstantBuffer; |
| 322 | StringStream fExtraGlobalsBuffer; |
| 323 | StringStream fExternalFunctionsBuffer; |
| 324 | StringStream fVariableBuffer; |
| 325 | StringStream fNameBuffer; |
| 326 | StringStream fDecorationBuffer; |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 327 | |
| 328 | SpvId fBoolTrue; |
| 329 | SpvId fBoolFalse; |
| 330 | std::unordered_map<int64_t, SpvId> fIntConstants; |
| 331 | std::unordered_map<uint64_t, SpvId> fUIntConstants; |
| 332 | std::unordered_map<float, SpvId> fFloatConstants; |
| 333 | std::unordered_map<double, SpvId> fDoubleConstants; |
Ethan Nicholas | 941e7e2 | 2016-12-12 15:33:30 -0500 | [diff] [blame] | 334 | bool fSetupFragPosition; |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 335 | // label of the current block, or 0 if we are not in a block |
| 336 | SpvId fCurrentBlock; |
| 337 | std::stack<SpvId> fBreakTarget; |
| 338 | std::stack<SpvId> fContinueTarget; |
Ethan Nicholas | 941e7e2 | 2016-12-12 15:33:30 -0500 | [diff] [blame] | 339 | SpvId fRTHeightStructId = (SpvId) -1; |
| 340 | SpvId fRTHeightFieldIndex = (SpvId) -1; |
Ethan Nicholas | 8feeff9 | 2017-03-30 14:11:58 -0400 | [diff] [blame] | 341 | // holds variables synthesized during output, for lifetime purposes |
| 342 | SymbolTable fSynthetics; |
Ethan Nicholas | 5226b77 | 2018-05-03 16:20:41 -0400 | [diff] [blame^] | 343 | int fSkInCount = 1; |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 344 | |
| 345 | friend class PointerLValue; |
| 346 | friend class SwizzleLValue; |
Ethan Nicholas | 941e7e2 | 2016-12-12 15:33:30 -0500 | [diff] [blame] | 347 | |
| 348 | typedef CodeGenerator INHERITED; |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 349 | }; |
| 350 | |
| 351 | } |
| 352 | |
| 353 | #endif |