Revert "implemented mustImplementGSInvocationsWithLoop workaround in sksl"

This reverts commit d5d323f45777c4766ddf4c74eedff36ee5d9bc56.

Reason for revert: Looks like this might be breaking vulkan

Original change's description:
> implemented mustImplementGSInvocationsWithLoop workaround in sksl
> 
> Bug: skia:
> Change-Id: I8434be89537a8baf9e9c5c7a643d28c03108f4ea
> Reviewed-on: https://skia-review.googlesource.com/18154
> Reviewed-by: Chris Dalton <csmartdalton@google.com>
> Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

TBR=csmartdalton@google.com,ethannicholas@google.com

Change-Id: I606aad071d3c084eb7eb7ec6c1c1a3cf10479cec
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/20045
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>

1 files changed, 7 insertions, 18 deletions

diff --git a/src/sksl/SkSLIRGenerator.h b/src/sksl/SkSLIRGenerator.h
index 9bbc2bed32..d4a684638c 100644
--- a/src/sksl/SkSLIRGenerator.h
+++ b/src/sksl/SkSLIRGenerator.h
@@ -81,10 +81,13 @@ public:
     IRGenerator(const Context* context, std::shared_ptr<SymbolTable> root,
                 ErrorReporter& errorReporter);
 
-    void convertProgram(String text,
-                        SymbolTable& types,
-                        Modifiers::Flag* defaultPrecision,
-                        std::vector<std::unique_ptr<ProgramElement>>* result);
+    std::unique_ptr<VarDeclarations> convertVarDeclarations(const ASTVarDeclarations& decl,
+                                                            Variable::Storage storage);
+    std::unique_ptr<FunctionDefinition> convertFunction(const ASTFunction& f);
+    std::unique_ptr<Statement> convertStatement(const ASTStatement& statement);
+    std::unique_ptr<Expression> convertExpression(const ASTExpression& expression);
+    std::unique_ptr<ModifiersDeclaration> convertModifiersDeclaration(
+                                                                  const ASTModifiersDeclaration& m);
 
     /**
      * If both operands are compile-time constants and can be folded, returns an expression
@@ -112,15 +115,6 @@ private:
     void pushSymbolTable();
     void popSymbolTable();
 
-    std::unique_ptr<VarDeclarations> convertVarDeclarations(const ASTVarDeclarations& decl,
-                                                            Variable::Storage storage);
-    void convertFunction(const ASTFunction& f,
-                         std::vector<std::unique_ptr<ProgramElement>>* out);
-    std::unique_ptr<Statement> convertStatement(const ASTStatement& statement);
-    std::unique_ptr<Expression> convertExpression(const ASTExpression& expression);
-    std::unique_ptr<ModifiersDeclaration> convertModifiersDeclaration(
-                                                                  const ASTModifiersDeclaration& m);
-
     const Type* convertType(const ASTType& type);
     std::unique_ptr<Expression> call(Position position,
                                      const FunctionDeclaration& function,
@@ -169,10 +163,6 @@ private:
     std::unique_ptr<Expression> convertTernaryExpression(const ASTTernaryExpression& expression);
     std::unique_ptr<Statement> convertVarDeclarationStatement(const ASTVarDeclarationStatement& s);
     std::unique_ptr<Statement> convertWhile(const ASTWhileStatement& w);
-    std::unique_ptr<Block> applyInvocationIDWorkaround(
-                                                 std::unique_ptr<Block> main,
-                                                 Variable* invocationID,
-                                                 std::vector<std::unique_ptr<ProgramElement>>* out);
 
     void fixRectSampling(std::vector<std::unique_ptr<Expression>>& arguments);
     void checkValid(const Expression& expr);
@@ -185,7 +175,6 @@ private:
     int fLoopLevel;
     int fSwitchLevel;
     ErrorReporter& fErrors;
-    int fInvocations;
 
     friend class AutoSymbolTable;
     friend class AutoLoopLevel;