Bug 1241042 - save frag translated varying names into LinkedProgramInfo. r=jgilbert

Save the frag name info to the LinkedProgramInfo object. Then the fragment shader can be freely detached at any time.

dom/canvas/WebGLProgram.cpp

@@ -396,6 +396,10 @@ QueryProgramInfo(WebGLProgram* prog, gl::GLContext* gl)
         }
     }
 
+    // Frag outputs
+
+    prog->EnumerateFragOutputs(info->fragDataMap);
+
     return info.forget();
 }
 
@@ -632,9 +636,9 @@ WebGLProgram::GetFragDataLocation(const nsAString& userName_wide) const
     }
 
     const NS_LossyConvertUTF16toASCII userName(userName_wide);
-
     nsCString mappedName;
-    if (!FindActiveOutputMappedNameByUserName(userName, &mappedName)) {
+
+    if (!LinkInfo()->FindFragData(userName, &mappedName)) {
         mappedName = userName;
     }
 
@@ -1309,6 +1313,14 @@ WebGLProgram::FindUniformBlockByMappedName(const nsACString& mappedName,
     return false;
 }
 
+void
+WebGLProgram::EnumerateFragOutputs(std::map<nsCString, const nsCString> &out_FragOutputs) const
+{
+    MOZ_ASSERT(mFragShader);
+
+    mFragShader->EnumerateFragOutputs(out_FragOutputs);
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 
 bool