Moved ImGuiImplDiligent_Internal into separate compilation unit

2 files changed, 101 insertions, 12 deletions

diff --git a/Imgui/interface/ImGuiDiligentRenderer.hpp b/Imgui/interface/ImGuiDiligentRenderer.hpp
new file mode 100644
index 0000000..5d19478
--- /dev/null
+++ b/Imgui/interface/ImGuiDiligentRenderer.hpp
@@ -0,0 +1,89 @@
+/*
+ *  Copyright 2019-2020 Diligent Graphics LLC
+ *  Copyright 2015-2019 Egor Yusov
+ *
+ *  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
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  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"
+#include "../../../DiligentCore/Common/interface/BasicMath.hpp"
+#include "../../../DiligentCore/Common/interface/RefCntAutoPtr.hpp"
+#include "../../../DiligentCore/Graphics/GraphicsEngine/interface/GraphicsTypes.h"
+#include "imgui.h"
+
+struct ImDrawData;
+
+namespace Diligent
+{
+
+struct IRenderDevice;
+struct IDeviceContext;
+struct IBuffer;
+struct IPipelineState;
+struct ITextureView;
+struct IShaderResourceBinding;
+enum TEXTURE_FORMAT : Uint16;
+enum SURFACE_TRANSFORM : Uint32;
+
+class ImGuiDiligentRenderer
+{
+public:
+    ImGuiDiligentRenderer(IRenderDevice* pDevice,
+                          TEXTURE_FORMAT BackBufferFmt,
+                          TEXTURE_FORMAT DepthBufferFmt,
+                          Uint32         InitialVertexBufferSize,
+                          Uint32         InitialIndexBufferSize);
+    ~ImGuiDiligentRenderer();
+    void NewFrame(Uint32            RenderSurfaceWidth,
+                  Uint32            RenderSurfaceHeight,
+                  SURFACE_TRANSFORM SurfacePreTransform);
+    void EndFrame();
+    void RenderDrawData(IDeviceContext* pCtx, ImDrawData* pDrawData);
+    void InvalidateDeviceObjects();
+    void CreateDeviceObjects();
+    void CreateFontsTexture();
+
+private:
+    inline float4 TransformClipRect(const ImVec2& DisplaySize, const float4& rect) const;
+
+private:
+    RefCntAutoPtr<IRenderDevice>          m_pDevice;
+    RefCntAutoPtr<IBuffer>                m_pVB;
+    RefCntAutoPtr<IBuffer>                m_pIB;
+    RefCntAutoPtr<IBuffer>                m_pVertexConstantBuffer;
+    RefCntAutoPtr<IPipelineState>         m_pPSO;
+    RefCntAutoPtr<ITextureView>           m_pFontSRV;
+    RefCntAutoPtr<IShaderResourceBinding> m_pSRB;
+    const TEXTURE_FORMAT                  m_BackBufferFmt;
+    const TEXTURE_FORMAT                  m_DepthBufferFmt;
+    Uint32                                m_VertexBufferSize    = 0;
+    Uint32                                m_IndexBufferSize     = 0;
+    Uint32                                m_RenderSurfaceWidth  = 0;
+    Uint32                                m_RenderSurfaceHeight = 0;
+    SURFACE_TRANSFORM                     m_SurfacePreTransform = SURFACE_TRANSFORM_IDENTITY;
+};
+
+} // namespace Diligent
diff --git a/Imgui/interface/ImGuiImplDiligent.hpp b/Imgui/interface/ImGuiImplDiligent.hpp
index 5c9b62f..12078b0 100644
--- a/Imgui/interface/ImGuiImplDiligent.hpp
+++ b/Imgui/interface/ImGuiImplDiligent.hpp
@@ -1,27 +1,27 @@
 /*
  *  Copyright 2019-2020 Diligent Graphics LLC
  *  Copyright 2015-2019 Egor Yusov
- *  
+ *
  *  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
- *  
+ *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  *
- *  In no event and under no legal theory, whether in tort (including negligence), 
- *  contract, or otherwise, unless required by applicable law (such as deliberate 
+ *  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 
+ *  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.
  */
 
@@ -38,7 +38,7 @@ struct IDeviceContext;
 enum TEXTURE_FORMAT : Uint16;
 enum SURFACE_TRANSFORM : Uint32;
 
-class ImGuiImplDiligent_Internal;
+class ImGuiDiligentRenderer;
 
 class ImGuiImplDiligent
 {
@@ -83,7 +83,7 @@ public:
     void UpdateFontsTexture();
 
 private:
-    std::unique_ptr<ImGuiImplDiligent_Internal> m_pImpl;
+    std::unique_ptr<ImGuiDiligentRenderer> m_pRenderer;
 };
 
 } // namespace Diligent