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//
// Copyright (c) 2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Error.h: Defines the egl::Error and gl::Error classes which encapsulate API errors
// and optional error messages.
#ifndef LIBANGLE_ERROR_H_
#define LIBANGLE_ERROR_H_
#include "angle_gl.h"
#include <EGL/egl.h>
#include <string>
#include <memory>
namespace gl
{
class Error final
{
public:
explicit inline Error(GLenum errorCode);
Error(GLenum errorCode, const char *msg, ...);
Error(GLenum errorCode, GLuint id, const char *msg, ...);
inline Error(const Error &other);
inline Error(Error &&other);
inline Error &operator=(const Error &other);
inline Error &operator=(Error &&other);
inline GLenum getCode() const;
inline GLuint getID() const;
inline bool isError() const;
const std::string &getMessage() const;
// Useful for mocking and testing
bool operator==(const Error &other) const;
bool operator!=(const Error &other) const;
private:
void createMessageString() const;
GLenum mCode;
GLuint mID;
mutable std::unique_ptr<std::string> mMessage;
};
template <typename T>
class ErrorOrResult
{
public:
ErrorOrResult(const gl::Error &error) : mError(error) {}
ErrorOrResult(T &&result) : mError(GL_NO_ERROR), mResult(std::move(result)) {}
bool isError() const { return mError.isError(); }
const gl::Error &getError() const { return mError; }
T &&getResult() { return std::move(mResult); }
private:
Error mError;
T mResult;
};
} // namespace gl
namespace egl
{
class Error final
{
public:
explicit inline Error(EGLint errorCode);
Error(EGLint errorCode, const char *msg, ...);
Error(EGLint errorCode, EGLint id, const char *msg, ...);
inline Error(const Error &other);
inline Error(Error &&other);
inline Error &operator=(const Error &other);
inline Error &operator=(Error &&other);
inline EGLint getCode() const;
inline EGLint getID() const;
inline bool isError() const;
const std::string &getMessage() const;
private:
void createMessageString() const;
EGLint mCode;
EGLint mID;
mutable std::unique_ptr<std::string> mMessage;
};
} // namespace egl
#include "Error.inl"
#endif // LIBANGLE_ERROR_H_
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