Added DearImgui

2 files changed, 118 insertions, 0 deletions

diff --git a/Imgui/interface/ImGuiImplDiligent.h b/Imgui/interface/ImGuiImplDiligent.h
new file mode 100644
index 0000000..0afc81f
--- /dev/null
+++ b/Imgui/interface/ImGuiImplDiligent.h
@@ -0,0 +1,66 @@
+/*     Copyright 2019 Diligent Graphics LLC
+ *  
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
+ *
+ *  In no event and under no legal theory, whether in tort (including negligence), 
+ *  contract, or otherwise, unless required by applicable law (such as deliberate 
+ *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
+ *  liable for any damages, including any direct, indirect, special, incidental, 
+ *  or consequential damages of any character arising as a result of this License or 
+ *  out of the use or inability to use the software (including but not limited to damages 
+ *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
+ *  all other commercial damages or losses), even if such Contributor has been advised 
+ *  of the possibility of such damages.
+ */
+
+#pragma once
+
+#include <memory>
+#include "../../../DiligentCore/Primitives/interface/BasicTypes.h"
+
+namespace Diligent
+{
+
+class IRenderDevice;
+class IDeviceContext;
+enum TEXTURE_FORMAT : Uint16;
+
+class ImGuiImplDiligent_Internal;
+
+class ImGuiImplDiligent
+{
+public:
+    static constexpr Uint32 DefaultInitialVBSize = 1024;
+    static constexpr Uint32 DefaultInitialIBSize = 2048;
+
+    ImGuiImplDiligent(IRenderDevice*  pDevice,
+                      TEXTURE_FORMAT  BackBufferFmt,
+                      Uint32          InitialVertexBufferSize = DefaultInitialVBSize,
+                      Uint32          InitialIndexBufferSize  = DefaultInitialIBSize);
+    ~ImGuiImplDiligent();
+
+    ImGuiImplDiligent             (const ImGuiImplDiligent&)  = delete;
+    ImGuiImplDiligent             (      ImGuiImplDiligent&&) = delete;
+    ImGuiImplDiligent& operator = (const ImGuiImplDiligent&)  = delete;
+    ImGuiImplDiligent& operator = (      ImGuiImplDiligent&&) = delete;
+
+    virtual void NewFrame();
+    void Render(IDeviceContext* pCtx);
+
+    // Use if you want to reset your rendering device without losing ImGui state.
+    void InvalidateDeviceObjects();
+    void CreateDeviceObjects();
+
+private:
+    std::unique_ptr<ImGuiImplDiligent_Internal> m_pImpl;
+};
+
+}
diff --git a/Imgui/interface/ImGuiImplWin32.h b/Imgui/interface/ImGuiImplWin32.h
new file mode 100644
index 0000000..4a0f9c0
--- /dev/null
+++ b/Imgui/interface/ImGuiImplWin32.h
@@ -0,0 +1,52 @@
+/*     Copyright 2019 Diligent Graphics LLC
+ *  
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
+ *
+ *  In no event and under no legal theory, whether in tort (including negligence), 
+ *  contract, or otherwise, unless required by applicable law (such as deliberate 
+ *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
+ *  liable for any damages, including any direct, indirect, special, incidental, 
+ *  or consequential damages of any character arising as a result of this License or 
+ *  out of the use or inability to use the software (including but not limited to damages 
+ *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
+ *  all other commercial damages or losses), even if such Contributor has been advised 
+ *  of the possibility of such damages.
+ */
+
+#pragma once
+
+#include <memory>
+#include "ImGuiImplDiligent.h"
+
+namespace Diligent
+{
+
+class ImGuiImplWin32 final : public ImGuiImplDiligent
+{
+public:
+    ImGuiImplWin32(HWND            hWnd,
+                   IRenderDevice*  pDevice,
+                   TEXTURE_FORMAT  BackBufferFmt,
+                   Uint32          InitialVertexBufferSize = ImGuiImplDiligent::DefaultInitialVBSize,
+                   Uint32          InitialIndexBufferSize  = ImGuiImplDiligent::DefaultInitialIBSize);
+    ~ImGuiImplWin32();
+
+    LRESULT Win32_ProcHandler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
+
+    ImGuiImplWin32             (const ImGuiImplWin32&)  = delete;
+    ImGuiImplWin32             (      ImGuiImplWin32&&) = delete;
+    ImGuiImplWin32& operator = (const ImGuiImplWin32&)  = delete;
+    ImGuiImplWin32& operator = (      ImGuiImplWin32&&) = delete;
+
+    virtual void NewFrame()override final;
+};
+
+}