Add ShClearResults() for clearing last compilation results.

include/GLSLANG/ShaderLang.h

@@ -48,7 +48,7 @@ typedef unsigned int GLenum;
 
 // Version number for shader translation API.
 // It is incremented every time the API changes.
-#define ANGLE_SH_VERSION 137
+#define ANGLE_SH_VERSION 138
 
 typedef enum {
   SH_GLES2_SPEC = 0x8B40,
@@ -354,6 +354,9 @@ COMPILER_EXPORT bool ShCompile(
     size_t numStrings,
     int compileOptions);
 
+// Clears the results from the previous compilation.
+COMPILER_EXPORT void ShClearResults(const ShHandle handle);
+
 // Return the version of the shader language.
 COMPILER_EXPORT int ShGetShaderVersion(const ShHandle handle);
 

src/compiler/translator/Compiler.h

@@ -85,6 +85,9 @@ class TCompiler : public TShHandleBase
     int getShaderVersion() const { return shaderVersion; }
     TInfoSink& getInfoSink() { return infoSink; }
 
+    // Clears the results from the previous compilation.
+    void clearResults();
+
     const std::vector<sh::Attribute> &getAttributes() const { return attributes; }
     const std::vector<sh::Attribute> &getOutputVariables() const { return outputVariables; }
     const std::vector<sh::Uniform> &getUniforms() const { return uniforms; }
@@ -107,8 +110,6 @@ class TCompiler : public TShHandleBase
     bool InitBuiltInSymbolTable(const ShBuiltInResources& resources);
     // Compute the string representation of the built-in resources
     void setResourceString();
-    // Clears the results from the previous compilation.
-    void clearResults();
     // Return false if the call depth is exceeded.
     bool checkCallDepth();
     // Returns true if a program has no conflicting or missing fragment outputs

src/compiler/translator/ShaderLang.cpp

@@ -240,6 +240,13 @@ bool ShCompile(
     return compiler->compile(shaderStrings, numStrings, compileOptions);
 }
 
+void ShClearResults(const ShHandle handle)
+{
+    TCompiler *compiler = GetCompilerFromHandle(handle);
+    ASSERT(compiler);
+    compiler->clearResults();
+}
+
 int ShGetShaderVersion(const ShHandle handle)
 {
     TCompiler* compiler = GetCompilerFromHandle(handle);