Revert of Turned on SkSL->GLSL compiler

src/gpu/glsl/GrGLSLShaderBuilder.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLSLShaderBuilder_DEFINED
 #define GrGLSLShaderBuilder_DEFINED
 
@@ skipping 54 matching lines @@
 
     /** Fetches an unfiltered texel from a sampler at integer coordinates. coordExpr must match the
         dimensionality of the sampler and must be within the sampler's range. coordExpr is emitted
         exactly once, so expressions like "idx++" are acceptable. */
     void appendTexelFetch(SkString* out, SamplerHandle, const char* coordExpr) const;
 
     /** Version of above that appends the result to the shader code instead.*/
     void appendTexelFetch(SamplerHandle, const char* coordExpr);
 
     /**
-    * Adds a constant declaration to the top of the shader.
+    * Adds a #define directive to the top of the shader.
     */
-    void defineConstant(const char* type, const char* name, const char* value) {
-        this->definitions().appendf("const %s %s = %s;\n", type, name, value);
+    void define(const char* macro, const char* replacement) {
+        this->definitions().appendf("#define %s %s\n", macro, replacement);
     }
 
-    void defineConstant(const char* name, int value) {
-        this->definitions().appendf("const int %s = %i;\n", name, value);
+    void define(const char* macro, int replacement) {
+        this->definitions().appendf("#define %s %i\n", macro, replacement);
     }
 
-    void defineConstant(const char* name, float value) {
-        this->definitions().appendf("const float %s = %f;\n", name, value);
-    }
-
-    void defineConstantf(const char* type, const char* name, const char* fmt, ...) {
-       this->definitions().appendf("const %s %s = ", type, name);
+    void definef(const char* macro, const char* replacement, ...) {
+       this->definitions().appendf("#define %s ", macro);
        va_list args;
-       va_start(args, fmt);
-       this->definitions().appendVAList(fmt, args);
+       va_start(args, replacement);
+       this->definitions().appendVAList(replacement, args);
        va_end(args);
-       this->definitions().append(";\n");
+       this->definitions().append("\n");
     }
 
     /**
     * Called by GrGLSLProcessors to add code to one of the shaders.
     */
     void codeAppendf(const char format[], ...) SK_PRINTF_LIKE(2, 3) {
        va_list args;
        va_start(args, format);
        this->code().appendVAList(format, args);
        va_end(args);
@@ skipping 152 matching lines @@
     int fCodeIndex;
     bool fFinalized;
 
     friend class GrGLSLProgramBuilder;
     friend class GrGLProgramBuilder;
     friend class GrGLSLVaryingHandler; // to access noperspective interpolation feature.
     friend class GrGLPathProgramBuilder; // to access fInputs.
     friend class GrVkPipelineStateBuilder;
 };
 #endif