skslc can now be compiled with no Skia dependencies, in preparation for

its eventual role in Skia's build process.

Bug: skia:
Change-Id: Iaa9933f4fc4a64bec60aa897c509a3513f457a78
Reviewed-on: https://skia-review.googlesource.com/10282
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ben Wagner <benjaminwagner@google.com>

1 files changed, 73 insertions, 74 deletions

diff --git a/src/sksl/SkSLSPIRVCodeGenerator.h b/src/sksl/SkSLSPIRVCodeGenerator.h
index 1cdc653c85..656fb99e40 100644
--- a/src/sksl/SkSLSPIRVCodeGenerator.h
+++ b/src/sksl/SkSLSPIRVCodeGenerator.h
@@ -4,7 +4,7 @@
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
- 
+
 #ifndef SKSL_SPIRVCODEGENERATOR
 #define SKSL_SPIRVCODEGENERATOR
 
@@ -12,7 +12,6 @@
 #include <tuple>
 #include <unordered_map>
 
-#include "SkStream.h"
 #include "SkSLCodeGenerator.h"
 #include "SkSLMemoryLayout.h"
 #include "ir/SkSLBinaryExpression.h"
@@ -59,13 +58,13 @@ public:
         // by a pointer (e.g. vector swizzles), returns 0.
         virtual SpvId getPointer() = 0;
 
-        virtual SpvId load(SkWStream& out) = 0;
+        virtual SpvId load(OutputStream& out) = 0;
 
-        virtual void store(SpvId value, SkWStream& out) = 0;
+        virtual void store(SpvId value, OutputStream& out) = 0;
     };
 
     SPIRVCodeGenerator(const Context* context, const Program* program, ErrorReporter* errors,
-                       SkWStream* out)
+                       OutputStream* out)
     : INHERITED(program, errors, out)
     , fContext(*context)
     , fDefaultLayout(MemoryLayout::k140_Standard)
@@ -108,7 +107,7 @@ private:
     SpvId getPointerType(const Type& type, const MemoryLayout& layout,
                          SpvStorageClass_ storageClass);
 
-    std::vector<SpvId> getAccessChain(const Expression& expr, SkWStream& out);
+    std::vector<SpvId> getAccessChain(const Expression& expr, OutputStream& out);
 
     void writeLayout(const Layout& layout, SpvId target);
 
@@ -116,43 +115,43 @@ private:
 
     void writeStruct(const Type& type, const MemoryLayout& layout, SpvId resultId);
 
-    void writeProgramElement(const ProgramElement& pe, SkWStream& out);
+    void writeProgramElement(const ProgramElement& pe, OutputStream& out);
 
     SpvId writeInterfaceBlock(const InterfaceBlock& intf);
 
-    SpvId writeFunctionStart(const FunctionDeclaration& f, SkWStream& out);
-    
-    SpvId writeFunctionDeclaration(const FunctionDeclaration& f, SkWStream& out);
+    SpvId writeFunctionStart(const FunctionDeclaration& f, OutputStream& out);
+
+    SpvId writeFunctionDeclaration(const FunctionDeclaration& f, OutputStream& out);
+
+    SpvId writeFunction(const FunctionDefinition& f, OutputStream& out);
 
-    SpvId writeFunction(const FunctionDefinition& f, SkWStream& out);
+    void writeGlobalVars(Program::Kind kind, const VarDeclarations& v, OutputStream& out);
 
-    void writeGlobalVars(Program::Kind kind, const VarDeclarations& v, SkWStream& out);
+    void writeVarDeclarations(const VarDeclarations& decl, OutputStream& out);
 
-    void writeVarDeclarations(const VarDeclarations& decl, SkWStream& out);
+    SpvId writeVariableReference(const VariableReference& ref, OutputStream& out);
 
-    SpvId writeVariableReference(const VariableReference& ref, SkWStream& out);
+    std::unique_ptr<LValue> getLValue(const Expression& value, OutputStream& out);
 
-    std::unique_ptr<LValue> getLValue(const Expression& value, SkWStream& out);
+    SpvId writeExpression(const Expression& expr, OutputStream& out);
 
-    SpvId writeExpression(const Expression& expr, SkWStream& out);
-    
-    SpvId writeIntrinsicCall(const FunctionCall& c, SkWStream& out);
+    SpvId writeIntrinsicCall(const FunctionCall& c, OutputStream& out);
 
-    SpvId writeFunctionCall(const FunctionCall& c, SkWStream& out);
+    SpvId writeFunctionCall(const FunctionCall& c, OutputStream& out);
 
-    SpvId writeSpecialIntrinsic(const FunctionCall& c, SpecialIntrinsic kind, SkWStream& out);
+    SpvId writeSpecialIntrinsic(const FunctionCall& c, SpecialIntrinsic kind, OutputStream& out);
 
     SpvId writeConstantVector(const Constructor& c);
 
-    SpvId writeFloatConstructor(const Constructor& c, SkWStream& out);
+    SpvId writeFloatConstructor(const Constructor& c, OutputStream& out);
 
-    SpvId writeIntConstructor(const Constructor& c, SkWStream& out);
+    SpvId writeIntConstructor(const Constructor& c, OutputStream& out);
 
     /**
      * Writes a matrix with the diagonal entries all equal to the provided expression, and all other
      * entries equal to zero.
      */
-    void writeUniformScaleMatrix(SpvId id, SpvId diagonal, const Type& type, SkWStream& out);
+    void writeUniformScaleMatrix(SpvId id, SpvId diagonal, const Type& type, OutputStream& out);
 
     /**
      * Writes a potentially-different-sized copy of a matrix. Entries which do not exist in the
@@ -160,17 +159,17 @@ private:
      * ignored.
      */
     void writeMatrixCopy(SpvId id, SpvId src, const Type& srcType, const Type& dstType,
-                         SkWStream& out);
+                         OutputStream& out);
 
-    SpvId writeMatrixConstructor(const Constructor& c, SkWStream& out);
+    SpvId writeMatrixConstructor(const Constructor& c, OutputStream& out);
 
-    SpvId writeVectorConstructor(const Constructor& c, SkWStream& out);
+    SpvId writeVectorConstructor(const Constructor& c, OutputStream& out);
 
-    SpvId writeConstructor(const Constructor& c, SkWStream& out);
+    SpvId writeConstructor(const Constructor& c, OutputStream& out);
 
-    SpvId writeFieldAccess(const FieldAccess& f, SkWStream& out);
+    SpvId writeFieldAccess(const FieldAccess& f, OutputStream& out);
 
-    SpvId writeSwizzle(const Swizzle& swizzle, SkWStream& out);
+    SpvId writeSwizzle(const Swizzle& swizzle, OutputStream& out);
 
     /**
      * Folds the potentially-vector result of a logical operation down to a single bool. If
@@ -178,28 +177,28 @@ private:
      * same dimensions, and applys all() to it to fold it down to a single bool value. Otherwise,
      * returns the original id value.
      */
-    SpvId foldToBool(SpvId id, const Type& operandType, SkWStream& out);
+    SpvId foldToBool(SpvId id, const Type& operandType, OutputStream& out);
 
     SpvId writeBinaryOperation(const Type& resultType, const Type& operandType, SpvId lhs,
                                SpvId rhs, SpvOp_ ifFloat, SpvOp_ ifInt, SpvOp_ ifUInt,
-                               SpvOp_ ifBool, SkWStream& out);
+                               SpvOp_ ifBool, OutputStream& out);
 
     SpvId writeBinaryOperation(const BinaryExpression& expr, SpvOp_ ifFloat, SpvOp_ ifInt,
-                               SpvOp_ ifUInt, SkWStream& out);
+                               SpvOp_ ifUInt, OutputStream& out);
 
-    SpvId writeBinaryExpression(const BinaryExpression& b, SkWStream& out);
+    SpvId writeBinaryExpression(const BinaryExpression& b, OutputStream& out);
 
-    SpvId writeTernaryExpression(const TernaryExpression& t, SkWStream& out);
+    SpvId writeTernaryExpression(const TernaryExpression& t, OutputStream& out);
 
-    SpvId writeIndexExpression(const IndexExpression& expr, SkWStream& out);
+    SpvId writeIndexExpression(const IndexExpression& expr, OutputStream& out);
 
-    SpvId writeLogicalAnd(const BinaryExpression& b, SkWStream& out);
+    SpvId writeLogicalAnd(const BinaryExpression& b, OutputStream& out);
 
-    SpvId writeLogicalOr(const BinaryExpression& o, SkWStream& out);
+    SpvId writeLogicalOr(const BinaryExpression& o, OutputStream& out);
 
-    SpvId writePrefixExpression(const PrefixExpression& p, SkWStream& out);
+    SpvId writePrefixExpression(const PrefixExpression& p, OutputStream& out);
 
-    SpvId writePostfixExpression(const PostfixExpression& p, SkWStream& out);
+    SpvId writePostfixExpression(const PostfixExpression& p, OutputStream& out);
 
     SpvId writeBoolLiteral(const BoolLiteral& b);
 
@@ -207,63 +206,63 @@ private:
 
     SpvId writeFloatLiteral(const FloatLiteral& f);
 
-    void writeStatement(const Statement& s, SkWStream& out);
+    void writeStatement(const Statement& s, OutputStream& out);
 
-    void writeBlock(const Block& b, SkWStream& out);
+    void writeBlock(const Block& b, OutputStream& out);
 
-    void writeIfStatement(const IfStatement& stmt, SkWStream& out);
+    void writeIfStatement(const IfStatement& stmt, OutputStream& out);
 
-    void writeForStatement(const ForStatement& f, SkWStream& out);
+    void writeForStatement(const ForStatement& f, OutputStream& out);
 
-    void writeWhileStatement(const WhileStatement& w, SkWStream& out);
+    void writeWhileStatement(const WhileStatement& w, OutputStream& out);
 
-    void writeDoStatement(const DoStatement& d, SkWStream& out);
+    void writeDoStatement(const DoStatement& d, OutputStream& out);
 
-    void writeReturnStatement(const ReturnStatement& r, SkWStream& out);
+    void writeReturnStatement(const ReturnStatement& r, OutputStream& out);
 
-    void writeCapabilities(SkWStream& out);
+    void writeCapabilities(OutputStream& out);
 
-    void writeInstructions(const Program& program, SkWStream& out);
+    void writeInstructions(const Program& program, OutputStream& out);
 
-    void writeOpCode(SpvOp_ opCode, int length, SkWStream& out);
+    void writeOpCode(SpvOp_ opCode, int length, OutputStream& out);
 
-    void writeWord(int32_t word, SkWStream& out);
+    void writeWord(int32_t word, OutputStream& out);
 
-    void writeString(const char* string, SkWStream& out);
+    void writeString(const char* string, OutputStream& out);
 
-    void writeLabel(SpvId id, SkWStream& out);
+    void writeLabel(SpvId id, OutputStream& out);
 
-    void writeInstruction(SpvOp_ opCode, SkWStream& out);
+    void writeInstruction(SpvOp_ opCode, OutputStream& out);
 
-    void writeInstruction(SpvOp_ opCode, const char* string, SkWStream& out);
+    void writeInstruction(SpvOp_ opCode, const char* string, OutputStream& out);
 
-    void writeInstruction(SpvOp_ opCode, int32_t word1, SkWStream& out);
+    void writeInstruction(SpvOp_ opCode, int32_t word1, OutputStream& out);
 
-    void writeInstruction(SpvOp_ opCode, int32_t word1, const char* string, SkWStream& out);
+    void writeInstruction(SpvOp_ opCode, int32_t word1, const char* string, OutputStream& out);
 
     void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, const char* string,
-                          SkWStream& out);
+                          OutputStream& out);
 
-    void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, SkWStream& out);
+    void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, OutputStream& out);
 
     void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, int32_t word3,
-                          SkWStream& out);
+                          OutputStream& out);
 
     void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, int32_t word3, int32_t word4,
-                          SkWStream& out);
+                          OutputStream& out);
 
     void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, int32_t word3, int32_t word4,
-                          int32_t word5, SkWStream& out);
+                          int32_t word5, OutputStream& out);
 
     void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, int32_t word3, int32_t word4,
-                          int32_t word5, int32_t word6, SkWStream& out);
+                          int32_t word5, int32_t word6, OutputStream& out);
 
     void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, int32_t word3, int32_t word4,
-                          int32_t word5, int32_t word6, int32_t word7, SkWStream& out);
+                          int32_t word5, int32_t word6, int32_t word7, OutputStream& out);
 
     void writeInstruction(SpvOp_ opCode, int32_t word1, int32_t word2, int32_t word3, int32_t word4,
                           int32_t word5, int32_t word6, int32_t word7, int32_t word8,
-                          SkWStream& out);
+                          OutputStream& out);
 
     const Context& fContext;
     const MemoryLayout fDefaultLayout;
@@ -272,19 +271,19 @@ private:
     SpvId fIdCount;
     SpvId fGLSLExtendedInstructions;
     typedef std::tuple<IntrinsicKind, int32_t, int32_t, int32_t, int32_t> Intrinsic;
-    std::unordered_map<SkString, Intrinsic> fIntrinsicMap;
+    std::unordered_map<String, Intrinsic> fIntrinsicMap;
     std::unordered_map<const FunctionDeclaration*, SpvId> fFunctionMap;
     std::unordered_map<const Variable*, SpvId> fVariableMap;
     std::unordered_map<const Variable*, int32_t> fInterfaceBlockMap;
-    std::unordered_map<SkString, SpvId> fTypeMap;
-    SkDynamicMemoryWStream fCapabilitiesBuffer;
-    SkDynamicMemoryWStream fGlobalInitializersBuffer;
-    SkDynamicMemoryWStream fConstantBuffer;
-    SkDynamicMemoryWStream fExtraGlobalsBuffer;
-    SkDynamicMemoryWStream fExternalFunctionsBuffer;
-    SkDynamicMemoryWStream fVariableBuffer;
-    SkDynamicMemoryWStream fNameBuffer;
-    SkDynamicMemoryWStream fDecorationBuffer;
+    std::unordered_map<String, SpvId> fTypeMap;
+    StringStream fCapabilitiesBuffer;
+    StringStream fGlobalInitializersBuffer;
+    StringStream fConstantBuffer;
+    StringStream fExtraGlobalsBuffer;
+    StringStream fExternalFunctionsBuffer;
+    StringStream fVariableBuffer;
+    StringStream fNameBuffer;
+    StringStream fDecorationBuffer;
 
     SpvId fBoolTrue;
     SpvId fBoolFalse;