HRESULT WINAPI D3DXLoadVolumeFromFileW(IDirect3DVolume9 *dst_volume,
const PALETTEENTRY *dst_palette,
const D3DBOX *dst_box,
const WCHAR *filename,
const D3DBOX *src_box,
DWORD filter,
D3DCOLOR color_key,
D3DXIMAGE_INFO *info)
{
HRESULT hr;
void *data;
UINT data_size;
TRACE("(%p, %p, %p, %s, %p, %#x, %#x, %p)\n",
dst_volume, dst_palette, dst_box, debugstr_w(filename), src_box,
filter, color_key, info);
if (!dst_volume || !filename) return D3DERR_INVALIDCALL;
if (FAILED(map_view_of_file(filename, &data, &data_size)))
return D3DXERR_INVALIDDATA;
hr = D3DXLoadVolumeFromFileInMemory(dst_volume, dst_palette, dst_box,
data, data_size, src_box, filter, color_key, info);
UnmapViewOfFile(data);
return hr;
}
inline void osmium::util::MemoryMapping::resize(size_t new_size) {
unmap();
m_size = new_size;
resize_fd(m_fd);
m_handle = create_file_mapping();
if (!m_handle) {
throw std::system_error(GetLastError(), std::system_category(), "CreateFileMapping failed");
}
m_addr = map_view_of_file();
if (!is_valid()) {
throw std::system_error(GetLastError(), std::system_category(), "MapViewOfFile failed");
}
}
inline osmium::util::MemoryMapping::MemoryMapping(size_t size, MemoryMapping::mapping_mode mode, int fd, off_t offset) :
m_size(check_size(size)),
m_offset(offset),
m_fd(resize_fd(fd)),
m_mapping_mode(mode),
m_handle(create_file_mapping()),
m_addr(nullptr) {
if (!m_handle) {
throw std::system_error(GetLastError(), std::system_category(), "CreateFileMapping failed");
}
m_addr = map_view_of_file();
if (!is_valid()) {
throw std::system_error(GetLastError(), std::system_category(), "MapViewOfFile failed");
}
}