protected override void Dispose()
{
if (framebuffers.Count > 0)
{
foreach (var kv in framebuffers)
{
graphics.GetContextMeta(kv.Key).FrameBuffersToDelete.Add(kv.Value);
}
framebuffers.Clear();
}
}
static void Clear(GL_Graphics graphics, ISystemOpenGL.Context context, RenderTarget target, Clear flags, Color color, float depth, int stencil, RectInt viewport)
{
// update the viewport
var meta = graphics.GetContextMeta(context);
{
viewport.Y = target.RenderHeight - viewport.Y - viewport.Height;
if (meta.Viewport != viewport)
{
GL.Viewport(viewport.X, viewport.Y, viewport.Width, viewport.Height);
meta.Viewport = viewport;
}
}
// we disable the scissor for clearing
meta.ForceScissorUpdate = true;
GL.Disable(GLEnum.SCISSOR_TEST);
// clear
var mask = GLEnum.ZERO;
if (flags.HasFlag(Framework.Clear.Color))
{
GL.ClearColor(color.R / 255f, color.G / 255f, color.B / 255f, color.A / 255f);
mask |= GLEnum.COLOR_BUFFER_BIT;
}
if (flags.HasFlag(Framework.Clear.Depth))
{
GL.ClearDepth(depth);
mask |= GLEnum.DEPTH_BUFFER_BIT;
}
if (flags.HasFlag(Framework.Clear.Stencil))
{
GL.ClearStencil(stencil);
mask |= GLEnum.STENCIL_BUFFER_BIT;
}
GL.Clear(mask);
GL.BindFramebuffer(GLEnum.FRAMEBUFFER, 0);
}