125   GLuint program =  in VaryingsShaderProgram()  local
128   int attribute_index = glGetAttribLocation(program, "c");  in VaryingsShaderProgram()
133   return program;  in VaryingsShaderProgram()
152   GLuint program =  in DdxDdyShaderProgram()  local
156   int attribute_index = glGetAttribLocation(program, "c");  in DdxDdyShaderProgram()
161   return program;  in DdxDdyShaderProgram()
183   GLuint program = VaryingsShaderProgram(1, vertex_buffer);  in Run()  local
186   glDeleteProgram(program);  in Run()
188   program = VaryingsShaderProgram(2, vertex_buffer);  in Run()
191   glDeleteProgram(program);  in Run()
193   program = VaryingsShaderProgram(4, vertex_buffer);  in Run()
196   glDeleteProgram(program);  in Run()
198   program = VaryingsShaderProgram(8, vertex_buffer);  in Run()
201   glDeleteProgram(program);  in Run()
204   program = DdxDdyShaderProgram(true, vertex_buffer);  in Run()
206   glDeleteProgram(program);  in Run()
208   program = DdxDdyShaderProgram(false, vertex_buffer);  in Run()
210   glDeleteProgram(program);  in Run()