Remove `fForceInline` argument from EmitArgs.

This improved codegen when it was first introduced. Since that time, our
inliner has become much smarter and no longer needs these hints.

Change-Id: I7725da1eb9814e656849881ad2ca2b1bc038e4a0
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/384320
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
diff --git a/src/gpu/glsl/GrGLSLFragmentProcessor.cpp b/src/gpu/glsl/GrGLSLFragmentProcessor.cpp
index 4ccb705..84ffbc5 100644
--- a/src/gpu/glsl/GrGLSLFragmentProcessor.cpp
+++ b/src/gpu/glsl/GrGLSLFragmentProcessor.cpp
@@ -33,8 +33,7 @@
                            *args.fFp.childProcessor(childIndex),
                            "_input",
                            "_coords",
-                           coordVars,
-                           /*forceInline=*/false);
+                           coordVars);
         fFunctionNames[childIndex] =
                 fragBuilder->writeProcessorFunction(this->childProcessor(childIndex), childArgs);
     }
diff --git a/src/gpu/glsl/GrGLSLFragmentProcessor.h b/src/gpu/glsl/GrGLSLFragmentProcessor.h
index 6961f4e..5b6716d 100644
--- a/src/gpu/glsl/GrGLSLFragmentProcessor.h
+++ b/src/gpu/glsl/GrGLSLFragmentProcessor.h
@@ -99,16 +99,14 @@
                  const GrFragmentProcessor& fp,
                  const char* inputColor,
                  const char* sampleCoord,
-                 const TransformedCoordVars& transformedCoordVars,
-                 bool forceInline)
+                 const TransformedCoordVars& transformedCoordVars)
                 : fFragBuilder(fragBuilder)
                 , fUniformHandler(uniformHandler)
                 , fShaderCaps(caps)
                 , fFp(fp)
                 , fInputColor(inputColor ? inputColor : "half4(1.0)")
                 , fSampleCoord(sampleCoord)
-                , fTransformedCoords(transformedCoordVars)
-                , fForceInline(forceInline) {}
+                , fTransformedCoords(transformedCoordVars) {}
         GrGLSLFPFragmentBuilder* fFragBuilder;
         GrGLSLUniformHandler* fUniformHandler;
         const GrShaderCaps* fShaderCaps;
@@ -116,7 +114,6 @@
         const char* fInputColor;
         const char* fSampleCoord;
         const TransformedCoordVars& fTransformedCoords;
-        bool fForceInline;
     };
 
     virtual void emitCode(EmitArgs&) = 0;
diff --git a/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp b/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp
index bb9741d..aed5fea 100644
--- a/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp
+++ b/src/gpu/glsl/GrGLSLFragmentShaderBuilder.cpp
@@ -149,7 +149,7 @@
 
     SkString funcName = this->getMangledFunctionName(args.fFp.name());
     this->emitFunction(kHalf4_GrSLType, funcName.c_str(), {params, paramCount},
-                       this->code().c_str(), args.fForceInline);
+                       this->code().c_str());
     this->deleteStage();
     this->onAfterChildProcEmitCode();
     return funcName;
diff --git a/src/gpu/glsl/GrGLSLProgramBuilder.cpp b/src/gpu/glsl/GrGLSLProgramBuilder.cpp
index 7cb29fc..43f6a6c 100644
--- a/src/gpu/glsl/GrGLSLProgramBuilder.cpp
+++ b/src/gpu/glsl/GrGLSLProgramBuilder.cpp
@@ -180,8 +180,7 @@
                                            fp,
                                            "_input",
                                            "_coords",
-                                           coords,
-                                           /*forceInline=*/true);
+                                           coords);
     auto name = fFS.writeProcessorFunction(&glslFP, args);
     fFS.codeAppendf("%s = %s(%s);", output.c_str(), name.c_str(), input.c_str());
 
diff --git a/src/gpu/glsl/GrGLSLShaderBuilder.cpp b/src/gpu/glsl/GrGLSLShaderBuilder.cpp
index 5019732..d43da25 100644
--- a/src/gpu/glsl/GrGLSLShaderBuilder.cpp
+++ b/src/gpu/glsl/GrGLSLShaderBuilder.cpp
@@ -50,11 +50,8 @@
 
 void GrGLSLShaderBuilder::appendFunctionDecl(GrSLType returnType,
                                              const char* mangledName,
-                                             SkSpan<const GrShaderVar> args,
-                                             bool forceInline) {
-    this->functions().appendf("%s%s %s(", forceInline ? "inline " : "",
-                                          GrGLSLTypeString(returnType),
-                                          mangledName);
+                                             SkSpan<const GrShaderVar> args) {
+    this->functions().appendf("%s %s(", GrGLSLTypeString(returnType), mangledName);
     for (size_t i = 0; i < args.size(); ++i) {
         if (i > 0) {
             this->functions().append(", ");
@@ -68,9 +65,8 @@
 void GrGLSLShaderBuilder::emitFunction(GrSLType returnType,
                                        const char* mangledName,
                                        SkSpan<const GrShaderVar> args,
-                                       const char* body,
-                                       bool forceInline) {
-    this->appendFunctionDecl(returnType, mangledName, args, forceInline);
+                                       const char* body) {
+    this->appendFunctionDecl(returnType, mangledName, args);
     this->functions().appendf(" {\n"
                               "%s"
                               "}\n\n", body);
@@ -84,9 +80,8 @@
 
 void GrGLSLShaderBuilder::emitFunctionPrototype(GrSLType returnType,
                                                 const char* mangledName,
-                                                SkSpan<const GrShaderVar> args,
-                                                bool forceInline) {
-    this->appendFunctionDecl(returnType, mangledName, args, forceInline);
+                                                SkSpan<const GrShaderVar> args) {
+    this->appendFunctionDecl(returnType, mangledName, args);
     this->functions().append(";\n");
 }
 
diff --git a/src/gpu/glsl/GrGLSLShaderBuilder.h b/src/gpu/glsl/GrGLSLShaderBuilder.h
index 3021ef2..658a9e2 100644
--- a/src/gpu/glsl/GrGLSLShaderBuilder.h
+++ b/src/gpu/glsl/GrGLSLShaderBuilder.h
@@ -135,15 +135,13 @@
     /** Emits a prototype for a helper function outside of main() in the fragment shader. */
     void emitFunctionPrototype(GrSLType returnType,
                                const char* mangledName,
-                               SkSpan<const GrShaderVar> args,
-                               bool forceInline = false);
+                               SkSpan<const GrShaderVar> args);
 
     /** Emits a helper function outside of main() in the fragment shader. */
     void emitFunction(GrSLType returnType,
                       const char* mangledName,
                       SkSpan<const GrShaderVar> args,
-                      const char* body,
-                      bool forceInline = false);
+                      const char* body);
 
     void emitFunction(const char* declaration, const char* body);
 
@@ -180,8 +178,7 @@
 
     void appendFunctionDecl(GrSLType returnType,
                             const char* mangledName,
-                            SkSpan<const GrShaderVar> args,
-                            bool forceInline);
+                            SkSpan<const GrShaderVar> args);
 
     /**
      * Features that should only be enabled internally by the builders.