public CompatibleDeviceContext(DeviceContext deviceContext, uint width, uint height)
{
_DC = WinGDI.CreateCompatibleDeviceContext(deviceContext.DeviceContextHandle);
BitmapHandle = WinGDI.CreateCompatibleBitmap(deviceContext.DeviceContextHandle, width, height);
_ = WinGDI.DeviceContextSetBitmap(_DC, BitmapHandle);
Width = width;
Height = height;
}
public GLContext(WindowProperties properties, object deviceContext)
{
hDc = WinUser.GetDC((IntPtr)deviceContext);
IntPtr hrc = WinGDI.wglCreateContext(hDc);
if (hrc.ToInt32() != 0)
{
if (!WinGDI.wglMakeCurrent(hDc, hrc))
{
Log.Error("Failed setting OpenGL context!");
Log.Assert(() => false);
}
}
else
{
Log.Error("Failed creating OpenGL context!");
Log.Assert(() => false);
}
}
public uint CopyBitsFromBuffer(uint[] buffer)
{
if (buffer.Length < Width * Height)
{
return(87);
}
WinGDI.BitmapInfo bitmapInfo = new WinGDI.BitmapInfo(Width, Height);
return(WinGDI.CopyBufferBitsToDeviceContext(
_DC,
BitmapHandle,
0,
Height,
ref buffer[0],
in bitmapInfo,
0
));
}
public override void Dispose()
{
if (!_Disposed)
{
_Disposed = true;
GC.SuppressFinalize(this);
if (_DC != Handle.Zero)
{
_ = WinGDI.DeleteDeviceContext(_DC);
}
if (BitmapHandle != Handle.Zero)
{
_ = WinGDI.DeleteBitmap(BitmapHandle);
}
}
}
public void Present()
{
WinGDI.SwapBuffers(hDc);
}
private bool PlatformInit()
{
WNDCLASS winClass = new WNDCLASS();
winClass.style = WinUser.CS_HREDRAW | WinUser.CS_VREDRAW | WinUser.CS_OWNDC;
proc = WndProc;
winClass.lpfnWndProc = Marshal.GetFunctionPointerForDelegate(proc);
winClass.lpszClassName = "Sparky Win32 Window";
winClass.hCursor = WinUser.LoadCursorW(IntPtr.Zero, WinUser.IDC_ARROW);
winClass.hIcon = WinUser.LoadIconW(IntPtr.Zero, WinUser.IDI_WINLOGO);
if (WinUser.RegisterClassW(ref winClass) == 0)
{
Log.Error("Could not register Win32 class!");
return(false);
}
RECT size = new RECT(0, 0, (int)properties.width, (int)properties.height);
WinUser.AdjustWindowRectEx(ref size, WinUser.WS_OVERLAPPEDWINDOW | WinUser.WS_CLIPSIBLINGS | WinUser.WS_CLIPCHILDREN, false, WinUser.WS_EX_APPWINDOW | WinUser.WS_EX_WINDOWEDGE);
hWnd = WinUser.CreateWindowExW(WinUser.WS_EX_APPWINDOW | WinUser.WS_EX_WINDOWEDGE,
winClass.lpszClassName, title,
WinUser.WS_OVERLAPPEDWINDOW | WinUser.WS_CLIPSIBLINGS | WinUser.WS_CLIPCHILDREN,
(int)(WinUser.GetSystemMetrics(WinUser.SM_CXSCREEN) / 2 - properties.width / 2),
(int)(WinUser.GetSystemMetrics(WinUser.SM_CYSCREEN) / 2 - properties.height / 2),
(int)(size.right + (-size.left)), (int)(size.bottom + (-size.top)), IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero
);
if (hWnd.ToInt32() == 0)
{
Log.Error("Could not create window!");
return(false);
}
RegisterWindowClass(hWnd, this);
hDc = WinUser.GetDC(hWnd);
PIXELFORMATDESCRIPTOR pfd = GetPixelFormat();
int pixelFormat = WinGDI.ChoosePixelFormat(hDc, ref pfd);
if (pixelFormat != 0)
{
if (!WinGDI.SetPixelFormat(hDc, pixelFormat, ref pfd))
{
Log.Error("Failed setting pixel format!");
return(false);
}
}
else
{
Log.Error("Failed choosing pixel format!");
return(false);
}
Context.Create(properties, hWnd);
WinUser.ShowWindow(hWnd, WinUser.SW_SHOW);
WinUser.SetFocus(hWnd);
return(true);
}
