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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/angle/src/libANGLE/Error.h')
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diff --git a/gfx/angle/src/libANGLE/Error.h b/gfx/angle/src/libANGLE/Error.h
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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(gl::Error &&error) : mError(std::move(error)) {}
+
+ ErrorOrResult(T &&result)
+ : mError(GL_NO_ERROR), mResult(std::forward<T>(result))
+ {
+ }
+
+ ErrorOrResult(const T &result)
+ : mError(GL_NO_ERROR), mResult(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;
+};
+
+inline Error NoError()
+{
+ return Error(GL_NO_ERROR);
+}
+
+} // 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
+
+#define ANGLE_CONCAT1(x, y) x##y
+#define ANGLE_CONCAT2(x, y) ANGLE_CONCAT1(x, y)
+#define ANGLE_LOCAL_VAR ANGLE_CONCAT2(_localVar, __LINE__)
+
+#define ANGLE_TRY(EXPR) \
+ { \
+ auto ANGLE_LOCAL_VAR = EXPR; \
+ if (ANGLE_LOCAL_VAR.isError()) \
+ { \
+ return ANGLE_LOCAL_VAR; \
+ } \
+ } \
+ ANGLE_EMPTY_STATEMENT
+
+#define ANGLE_TRY_RESULT(EXPR, RESULT) \
+ { \
+ auto ANGLE_LOCAL_VAR = EXPR; \
+ if (ANGLE_LOCAL_VAR.isError()) \
+ { \
+ return ANGLE_LOCAL_VAR.getError(); \
+ } \
+ RESULT = ANGLE_LOCAL_VAR.getResult(); \
+ } \
+ ANGLE_EMPTY_STATEMENT
+
+#undef ANGLE_LOCAL_VAR
+#undef ANGLE_CONCAT2
+#undef ANGLE_CONCAT1
+
+#include "Error.inl"
+
+#endif // LIBANGLE_ERROR_H_