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-rw-r--r--src/3rdparty/angle/src/libGLESv2/BinaryStream.h167
1 files changed, 167 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/BinaryStream.h b/src/3rdparty/angle/src/libGLESv2/BinaryStream.h
new file mode 100644
index 0000000000..5f7213b8da
--- /dev/null
+++ b/src/3rdparty/angle/src/libGLESv2/BinaryStream.h
@@ -0,0 +1,167 @@
+//
+// Copyright (c) 2012 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.
+//
+
+// BinaryStream.h: Provides binary serialization of simple types.
+
+#ifndef LIBGLESV2_BINARYSTREAM_H_
+#define LIBGLESV2_BINARYSTREAM_H_
+
+#include <string>
+#include <vector>
+
+#include "common/angleutils.h"
+
+namespace gl
+{
+
+class BinaryInputStream
+{
+ public:
+ BinaryInputStream(const void *data, size_t length)
+ {
+ mError = false;
+ mOffset = 0;
+ mData = static_cast<const char*>(data);
+ mLength = length;
+ }
+
+ template <typename T>
+ void read(T *v, size_t num)
+ {
+ union
+ {
+ T dummy; // Compilation error for non-trivial types
+ } dummy;
+ (void) dummy;
+
+ if (mError)
+ {
+ return;
+ }
+
+ size_t length = num * sizeof(T);
+
+ if (mOffset + length > mLength)
+ {
+ mError = true;
+ return;
+ }
+
+ memcpy(v, mData + mOffset, length);
+ mOffset += length;
+ }
+
+ template <typename T>
+ void read(T * v)
+ {
+ read(v, 1);
+ }
+
+ void read(std::string *v)
+ {
+ size_t length;
+ read(&length);
+
+ if (mError)
+ {
+ return;
+ }
+
+ if (mOffset + length > mLength)
+ {
+ mError = true;
+ return;
+ }
+
+ v->assign(mData + mOffset, length);
+ mOffset += length;
+ }
+
+ void skip(size_t length)
+ {
+ if (mOffset + length > mLength)
+ {
+ mError = true;
+ return;
+ }
+
+ mOffset += length;
+ }
+
+ size_t offset() const
+ {
+ return mOffset;
+ }
+
+ bool error() const
+ {
+ return mError;
+ }
+
+ bool endOfStream() const
+ {
+ return mOffset == mLength;
+ }
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(BinaryInputStream);
+ bool mError;
+ size_t mOffset;
+ const char *mData;
+ size_t mLength;
+};
+
+class BinaryOutputStream
+{
+ public:
+ BinaryOutputStream()
+ {
+ }
+
+ template <typename T>
+ void write(const T *v, size_t num)
+ {
+ union
+ {
+ T dummy; // Compilation error for non-trivial types
+ } dummy;
+ (void) dummy;
+
+ const char *asBytes = reinterpret_cast<const char*>(v);
+ mData.insert(mData.end(), asBytes, asBytes + num * sizeof(T));
+ }
+
+ template <typename T>
+ void write(const T &v)
+ {
+ write(&v, 1);
+ }
+
+ void write(const std::string &v)
+ {
+ size_t length = v.length();
+ write(length);
+
+ write(v.c_str(), length);
+ }
+
+ size_t length() const
+ {
+ return mData.size();
+ }
+
+ const void* data() const
+ {
+ return mData.size() ? &mData[0] : NULL;
+ }
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(BinaryOutputStream);
+ std::vector<char> mData;
+};
+}
+
+#endif // LIBGLESV2_BINARYSTREAM_H_