Factoring out a lot of reusable GPU code from gl4/.

src/xenia/gpu/trace_writer.h

@@ -0,0 +1,50 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2015 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_GPU_TRACE_WRITER_H_
+#define XENIA_GPU_TRACE_WRITER_H_
+
+#include <string>
+
+#include "xenia/base/filesystem.h"
+#include "xenia/gpu/trace_protocol.h"
+
+namespace xe {
+namespace gpu {
+
+class TraceWriter {
+ public:
+  explicit TraceWriter(uint8_t* membase);
+  ~TraceWriter();
+
+  bool is_open() const { return file_ != nullptr; }
+
+  bool Open(const std::wstring& path);
+  void Flush();
+  void Close();
+
+  void WritePrimaryBufferStart(uint32_t base_ptr, uint32_t count);
+  void WritePrimaryBufferEnd();
+  void WriteIndirectBufferStart(uint32_t base_ptr, uint32_t count);
+  void WriteIndirectBufferEnd();
+  void WritePacketStart(uint32_t base_ptr, uint32_t count);
+  void WritePacketEnd();
+  void WriteMemoryRead(uint32_t base_ptr, size_t length);
+  void WriteMemoryWrite(uint32_t base_ptr, size_t length);
+  void WriteEvent(EventType event_type);
+
+ private:
+  uint8_t* membase_;
+  FILE* file_;
+};
+
+}  // namespace gpu
+}  // namespace xe
+
+#endif  // XENIA_GPU_TRACE_WRITER_H_