private int GetFramebuffer(BufferObject bo)
{
if (bo == BufferObject.Zero)
{
goto fail;
}
int bo_handle = bo.Handle;
if (bo_handle == 0)
{
Debug.Print("[KMS] Gbm.BOGetHandle({0:x}) failed.", bo);
goto fail;
}
int width = bo.Width;
int height = bo.Height;
int bpp = Mode.ColorFormat.BitsPerPixel;
int depth = Mode.Depth;
int stride = bo.Stride;
if (width == 0 || height == 0 || bpp == 0)
{
Debug.Print("[KMS] Invalid framebuffer format: {0}x{1} {2} {3} {4}",
width, height, stride, bpp, depth);
goto fail;
}
int buffer;
int ret = Drm.ModeAddFB(
fd, width, height,
(byte)depth, (byte)bpp, stride, bo_handle,
out buffer);
if (ret != 0)
{
Debug.Print("[KMS] Drm.ModeAddFB({0}, {1}, {2}, {3}, {4}, {5}, {6}) failed. Error: {7}",
fd, width, height, depth, bpp, stride, bo_handle, ret);
goto fail;
}
bo.SetUserData((IntPtr)buffer, DestroyFB);
return(buffer);
fail:
Debug.Print("[Error] Failed to create framebuffer.");
return(-1);
}
