dolphin/Source/Core/VideoCommon/VertexLoaderUtils.h

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// Copyright 2008 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <cstring>
#include "Common/CommonTypes.h"
#include "Common/Inline.h"
#include "Common/Swap.h"
extern const u8* g_video_buffer_read_ptr;
extern u8* g_vertex_manager_write_ptr;
DOLPHIN_FORCE_INLINE void DataSkip(u32 skip)
{
g_video_buffer_read_ptr += skip;
}
// probably unnecessary
template <int count>
DOLPHIN_FORCE_INLINE void DataSkip()
{
g_video_buffer_read_ptr += count;
}
template <typename T>
DOLPHIN_FORCE_INLINE T DataPeek(int _uOffset, const u8* bufp = g_video_buffer_read_ptr)
{
T result;
std::memcpy(&result, &bufp[_uOffset], sizeof(T));
return Common::FromBigEndian(result);
}
template <typename T>
DOLPHIN_FORCE_INLINE T DataRead(const u8** bufp = &g_video_buffer_read_ptr)
{
auto const result = DataPeek<T>(0, *bufp);
*bufp += sizeof(T);
return result;
}
DOLPHIN_FORCE_INLINE u32 DataReadU32Unswapped()
{
u32 result;
std::memcpy(&result, g_video_buffer_read_ptr, sizeof(u32));
g_video_buffer_read_ptr += sizeof(u32);
return result;
}
DOLPHIN_FORCE_INLINE const u8* DataGetPosition()
{
return g_video_buffer_read_ptr;
}
template <typename T>
DOLPHIN_FORCE_INLINE void DataWrite(T data)
{
std::memcpy(g_vertex_manager_write_ptr, &data, sizeof(T));
g_vertex_manager_write_ptr += sizeof(T);
}