//
// FNA3D_ResetBackbuffer
//
public static void FNA3D_ResetBackbuffer(IntPtr device,
ref FNA3D_PresentationParameters presentationParameters)
{
var renderer = Renderer.Get(device);
var state = (State)renderer.UserData;
if (state == null)
{
state = new State();
renderer.UserData = state;
}
state.BackBufferWidth = presentationParameters.backBufferWidth;
state.BackBufferHeight = presentationParameters.backBufferHeight;
state.AdjustViewport = // see also FNA3D_SetViewport
(presentationParameters.displayOrientation == DisplayOrientation.Default);
presentationParameters.backBufferFormat = SurfaceFormat.Color;
presentationParameters.isFullScreen = 1;
}
//
// FNA3D_CreateDevice
//
public static IntPtr FNA3D_CreateDevice(
ref FNA3D_PresentationParameters presentationParameters,
byte debugMode)
{
int depthSize, stencilSize = 0;
switch (presentationParameters.depthStencilFormat)
{
case DepthFormat.None: depthSize = 0; break;
case DepthFormat.Depth16: depthSize = 16; break;
case DepthFormat.Depth24: depthSize = 24; break;
case DepthFormat.Depth24Stencil8: depthSize = 24; stencilSize = 8; break;
default: throw new ArgumentException("depthStencilFormat");
}
int swapInterval = presentationParameters.presentationInterval switch
{
PresentInterval.Two => 2,
PresentInterval.Immediate => 0,
// Default, One, or any other value:
_ => 1
};
bool checkErrors = GameRunner.Singleton.CheckGlErrors();
var device = Renderer.Create(GameRunner.Singleton.Activity,
GameRunner.Singleton.OnSurfaceChanged,
8, 8, 8, 0, depthSize, stencilSize,
swapInterval, checkErrors);
FNA3D_ResetBackbuffer(device, ref presentationParameters);
return(device);
}
public static extern void FNA3D_ResetBackbuffer(
IntPtr device,
ref FNA3D_PresentationParameters presentationParameters
);
public static extern IntPtr FNA3D_CreateDevice(
ref FNA3D_PresentationParameters presentationParameters,
byte debugMode
);
