protected override void Dispose(bool manual)
{
if (manual)
{
// Reset the scanout region
LinuxWindowInfo wnd = WindowInfo as LinuxWindowInfo;
if (wnd != null)
{
unsafe
{
int connector_id = wnd.DisplayDevice.pConnector->connector_id;
ModeInfo mode = wnd.DisplayDevice.OriginalMode;
Drm.ModeSetCrtc(fd,
wnd.DisplayDevice.pCrtc->crtc_id,
wnd.DisplayDevice.pCrtc->buffer_id,
wnd.DisplayDevice.pCrtc->x,
wnd.DisplayDevice.pCrtc->y,
&connector_id,
1,
&mode);
}
}
}
base.Dispose(manual);
}
private void SetScanoutRegion(int buffer)
{
LinuxWindowInfo wnd = WindowInfo as LinuxWindowInfo;
if (wnd == null)
{
throw new InvalidOperationException();
}
unsafe
{
ModeInfo *mode = wnd.DisplayDevice.pConnector->modes;
int connector_id = wnd.DisplayDevice.pConnector->connector_id;
int crtc_id = wnd.DisplayDevice.Id;
int x = 0;
int y = 0;
int connector_count = 1;
int ret = Drm.ModeSetCrtc(fd, crtc_id, buffer, x, y,
&connector_id, connector_count, mode);
if (ret != 0)
{
Debug.Print("[KMS] Drm.ModeSetCrtc{0}, {1}, {2}, {3}, {4:x}, {5}, {6:x}) failed. Error: {7}",
fd, crtc_id, buffer, x, y, (IntPtr)connector_id, connector_count, (IntPtr)mode, ret);
}
}
}
public LinuxGraphicsContext(GraphicsMode mode, LinuxWindowInfo window, IGraphicsContext sharedContext,
int major, int minor, GraphicsContextFlags flags)
: base(mode, window, sharedContext, major, minor, flags)
{
if (mode.Buffers < 1)
{
throw new ArgumentException();
}
fd = window.FD;
PageFlip = HandlePageFlip;
PageFlipPtr = Marshal.GetFunctionPointerForDelegate(PageFlip);
}
private void QueueFlip(int buffer)
{
LinuxWindowInfo wnd = WindowInfo as LinuxWindowInfo;
if (wnd == null)
{
throw new InvalidOperationException();
}
unsafe
{
int ret = Drm.ModePageFlip(fd, wnd.DisplayDevice.Id, buffer,
PageFlipFlags.FlipEvent, IntPtr.Zero);
if (ret < 0)
{
Debug.Print("[KMS] Failed to enqueue framebuffer flip. Error: {0}", ret);
}
is_flip_queued = true;
}
}
public LinuxNativeWindow(IntPtr display, IntPtr gbm, int fd,
int x, int y, int width, int height, string title,
GraphicsMode mode, GameWindowFlags options,
DisplayDevice display_device)
{
Debug.Print("[KMS] Creating window on display {0:x}", display);
Title = title;
display_device = display_device ?? DisplayDevice.Default;
if (display_device == null)
{
throw new NotSupportedException("[KMS] Driver does not currently support headless systems");
}
window = new LinuxWindowInfo(display, fd, gbm, display_device.Id as LinuxDisplay);
// Note: we only support fullscreen windows on KMS.
// We implicitly override the requested width and height
// by the width and height of the DisplayDevice, if any.
width = display_device.Width;
height = display_device.Height;
bounds = new Rectangle(0, 0, width, height);
client_size = bounds.Size;
if (!mode.Index.HasValue)
{
mode = new EglGraphicsMode().SelectGraphicsMode(window, mode, 0);
}
Debug.Print("[KMS] Selected EGL mode {0}", mode);
SurfaceFormat format = GetSurfaceFormat(display, mode);
SurfaceFlags usage = SurfaceFlags.Rendering | SurfaceFlags.Scanout;
if (!Gbm.IsFormatSupported(gbm, format, usage))
{
Debug.Print("[KMS] Failed to find suitable surface format, using XRGB8888");
format = SurfaceFormat.XRGB8888;
}
Debug.Print("[KMS] Creating GBM surface on {0:x} with {1}x{2} {3} [{4}]",
gbm, width, height, format, usage);
IntPtr gbm_surface = Gbm.CreateSurface(gbm,
width, height, format, usage);
if (gbm_surface == IntPtr.Zero)
{
throw new NotSupportedException("[KMS] Failed to create GBM surface for rendering");
}
window.Handle = gbm_surface;
Debug.Print("[KMS] Created GBM surface {0:x}", window.Handle);
window.CreateWindowSurface(mode.Index.Value);
Debug.Print("[KMS] Created EGL surface {0:x}", window.Surface);
cursor_default = CreateCursor(gbm, Cursors.Default);
cursor_empty = CreateCursor(gbm, Cursors.Empty);
Cursor = MouseCursor.Default;
exists = true;
}
