void DisposeReferences()
{
if (Device != null)
{
if (state_old != null)
{
state_old.Dispose();
}
if (vb_cube != null)
{
vb_cube.Dispose();
}
if (vert_decl_nocolor != null)
{
vert_decl_nocolor.Dispose();
}
foreach (var font in fontCache)
{
font.Value.Dispose();
}
Device.Dispose();
Device = null;
vert_decl_nocolor = null;
vb_cube = null;
state_old = null;
fontCache.Clear();
}
}
public override void ResourceUnload()
{
base.ResourceUnload();
if (stateBlock != null)
{
stateBlock.Dispose();
stateBlock = null;
}
if (lineBuffer != null)
{
lineBuffer.Dispose();
lineBuffer = null;
}
}
/// <summary>
/// Called when the device is lost
/// </summary>
public virtual void OnLostDevice()
{
if (state != null)
{
state.Dispose();
}
state = null;
}
/// <summary>
/// Clear any resources that need to be lost
/// </summary>
public void OnLostDevice()
{
foreach (FontNode fn in fontCache)
{
if ((fn.Font != null) && (!fn.Font.Disposed))
{
fn.Font.OnLostDevice();
}
}
if (dialogSprite != null)
{
dialogSprite.OnLostDevice();
}
if (dialogStateBlock != null)
{
dialogStateBlock.Dispose();
dialogStateBlock = null;
}
}
/// <summary>
/// Unhooks the <see cref="OmegaGUI"/> system from the <see cref="Engine"/> and disposes its internal DirectX resources
/// </summary>
public void Dispose()
{
if (Disposed)
{
return;
}
// Unhook device events
Engine.DeviceLost -= OnLostDevice;
Engine.DeviceReset -= OnResetDevice;
// Dispose DirectX objects
Sprite.Dispose();
StateBlock.Dispose();
// Clear caches
_textureCache.ForEach(node => node.Texture.Dispose());
_fontCache.ForEach(node => node.Font.Dispose());
GC.SuppressFinalize(this);
Disposed = true;
}
/// <summary>
/// Called when the device has been lost.
/// </summary>
public void OnLostDevice()
{
if (!Engine.IsDisposed)
{
foreach (FontNode fn in _fontCache)
{
if ((fn.Font != null) && (!fn.Font.Disposed))
{
fn.Font.OnLostDevice();
}
}
if (Sprite != null)
{
Sprite.OnLostDevice();
}
if (StateBlock != null)
{
StateBlock.Dispose();
StateBlock = null;
}
}
}
public void Dispose()
{
m_stateBlock.Dispose();
m_stateBlock = null;
}
private unsafe void ImGuiRenderDraw(DrawData *drawData)
{
if (drawData == null)
{
return;
}
var io = ImGui.GetIO();
if (io.DisplaySize.X <= 0.0f || io.DisplaySize.Y <= 0.0f)
{
return;
}
var st = new StateBlock(device, StateBlockType.All);
var vp = new Viewport();
vp.X = vp.Y = 0;
vp.Width = (int)io.DisplaySize.X;
vp.Height = (int)io.DisplaySize.Y;
vp.MinDepth = 0.0f;
vp.MaxDepth = 1.0f;
device.Viewport = vp;
device.PixelShader = null;
device.VertexShader = null;
device.SetRenderState(RenderState.CullMode, Cull.None);
device.SetRenderState(RenderState.Lighting, false);
device.SetRenderState(RenderState.ZEnable, false);
device.SetRenderState(RenderState.AlphaBlendEnable, true);
device.SetRenderState(RenderState.AlphaTestEnable, false);
device.SetRenderState(RenderState.BlendOperation, BlendOperation.Add);
device.SetRenderState(RenderState.SourceBlend, Blend.SourceAlpha);
device.SetRenderState(RenderState.DestinationBlend, Blend.BothInverseSourceAlpha);
device.SetRenderState(RenderState.ScissorTestEnable, true);
device.SetTextureStageState(0, TextureStage.ColorOperation, TextureOperation.Modulate);
device.SetTextureStageState(0, TextureStage.ColorArg1, TextureArgument.Texture);
device.SetTextureStageState(0, TextureStage.ColorArg2, TextureArgument.Diffuse);
device.SetTextureStageState(0, TextureStage.AlphaOperation, TextureOperation.Modulate);
device.SetTextureStageState(0, TextureStage.AlphaArg1, TextureArgument.Texture);
device.SetTextureStageState(0, TextureStage.AlphaArg2, TextureArgument.Diffuse);
device.SetSamplerState(0, SamplerState.MinFilter, TextureFilter.Linear);
device.SetSamplerState(0, SamplerState.MagFilter, TextureFilter.Linear);
// Setup orthographic projection matrix
{
const float L = 0.5f;
var R = io.DisplaySize.X + 0.5f;
const float T = 0.5f;
var B = io.DisplaySize.Y + 0.5f;
RawMatrix mat_identity = new Matrix(1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f);
RawMatrix mat_projection = new Matrix(
2.0f / (R - L), 0.0f, 0.0f, 0.0f,
0.0f, 2.0f / (T - B), 0.0f, 0.0f,
0.0f, 0.0f, 0.5f, 0.0f,
(L + R) / (L - R), (T + B) / (B - T), 0.5f, 1.0f);
device.SetTransform(TransformState.World, ref mat_identity);
device.SetTransform(TransformState.View, ref mat_identity);
device.SetTransform(TransformState.Projection, ref mat_projection);
}
using (device.VertexDeclaration = new VertexDeclaration(device, GuiVertex.VertexElements))
{
for (var n = 0; n < drawData->CmdListsCount; n++)
{
var cmdList = drawData->CmdLists[n];
var vtx_buffer = (DrawVert *)cmdList->VtxBuffer.Data;
var idx_buffer = (ushort *)cmdList->IdxBuffer.Data;
var myCustomVertices = new GuiVertex[cmdList->VtxBuffer.Size];
for (var i = 0; i < myCustomVertices.Length; i++)
{
var cl = (vtx_buffer[i].col & 0xFF00FF00) | ((vtx_buffer[i].col & 0xFF0000) >> 16) |
((vtx_buffer[i].col & 0xFF) << 16);
myCustomVertices[i] =
new GuiVertex(vtx_buffer[i].pos.X, vtx_buffer[i].pos.Y, vtx_buffer[i].uv.X,
vtx_buffer[i].uv.Y, cl);
}
for (var i = 0; i < cmdList->CmdBuffer.Size; i++)
{
var pcmd = &((DrawCmd *)cmdList->CmdBuffer.Data)[i];
if (pcmd->UserCallback != IntPtr.Zero)
{
throw new NotImplementedException();
}
//Trace.WriteLine(pcmd->TextureId.ToString());
device.SetTexture(0, new Texture(pcmd->TextureId));
device.ScissorRect = new RectangleF((int)pcmd->ClipRect.X,
(int)pcmd->ClipRect.Y,
(int)(pcmd->ClipRect.Z - pcmd->ClipRect.X),
(int)(pcmd->ClipRect.W - pcmd->ClipRect.Y));
var indices = new ushort[pcmd->ElemCount];
for (var j = 0; j < indices.Length; j++)
{
indices[j] = idx_buffer[j];
}
device.DrawIndexedUserPrimitives(PrimitiveType.TriangleList, 0, myCustomVertices.Length,
(int)(pcmd->ElemCount / 3), indices, Format.Index16, myCustomVertices);
idx_buffer += pcmd->ElemCount;
}
}
}
st.Apply();
st.Dispose();
}
