1 files changed, 178 insertions, 0 deletions
diff --git a/src/InputDepthInfo.h b/src/InputDepthInfo.h
new file mode 100644
index 0000000..3ac19fb
--- /dev/null
+++ b/src/InputDepthInfo.h
@@ -0,0 +1,178 @@
+/* 
+* Copyright (c) 2008-2016, NVIDIA CORPORATION. All rights reserved. 
+* 
+* NVIDIA CORPORATION and its licensors retain all intellectual property 
+* and proprietary rights in and to this software, related documentation 
+* and any modifications thereto. Any use, reproduction, disclosure or 
+* distribution of this software and related documentation without an express 
+* license agreement from NVIDIA CORPORATION is strictly prohibited. 
+*/
+
+#pragma once
+#include "Common.h"
+#include "ProjectionMatrixInfo.h"
+#include "UserTexture.h"
+#include "InputViewport.h"
+#include "TextureUtil.h"
+
+namespace GFSDK
+{
+namespace SSAO
+{
+
+//--------------------------------------------------------------------------------
+struct InputDepthInfo
+{
+    InputDepthInfo()
+      : DepthTextureType(GFSDK_SSAO_HARDWARE_DEPTHS)
+      , MetersToViewSpaceUnits(0.f)
+    {
+    }
+
+    GFSDK_SSAO_DepthTextureType DepthTextureType;
+    FLOAT MetersToViewSpaceUnits;
+    SSAO::ProjectionMatrixInfo ProjectionMatrixInfo;
+    SSAO::InputViewport Viewport;
+};
+
+//--------------------------------------------------------------------------------
+#if SUPPORT_D3D11
+namespace D3D11
+{
+
+struct InputDepthInfo : SSAO::InputDepthInfo
+{
+    InputDepthInfo()
+      : SSAO::InputDepthInfo()
+    {
+    }
+
+    GFSDK_SSAO_Status SetData(const GFSDK_SSAO_InputDepthData_D3D11& DepthData)
+    {
+        GFSDK_SSAO_Status Status;
+
+        Status = ProjectionMatrixInfo.Init(DepthData.ProjectionMatrix, API_D3D11);
+        if (Status != GFSDK_SSAO_OK)
+        {
+            return Status;
+        }
+
+        Status = Texture.Init(DepthData.pFullResDepthTextureSRV);
+        if (Status != GFSDK_SSAO_OK)
+        {
+            return Status;
+        }
+
+        Status = Viewport.Init(DepthData.Viewport, Texture);
+        if (Status != GFSDK_SSAO_OK)
+        {
+            return Status;
+        }
+
+        DepthTextureType = DepthData.DepthTextureType;
+        MetersToViewSpaceUnits = Max(DepthData.MetersToViewSpaceUnits, 0.f);
+
+        return GFSDK_SSAO_OK;
+    }
+
+    SSAO::D3D11::UserTextureSRV Texture;
+};
+
+} // namespace D3D11
+#endif // SUPPORT_D3D11
+
+//--------------------------------------------------------------------------------
+#if SUPPORT_D3D12
+namespace D3D12
+{
+
+struct InputDepthInfo : SSAO::InputDepthInfo
+{
+    InputDepthInfo()
+        : SSAO::InputDepthInfo()
+    {
+    }
+
+    GFSDK_SSAO_Status SetData(const GFSDK_SSAO_InputDepthData_D3D12& DepthData)
+    {
+        GFSDK_SSAO_Status Status;
+
+        Status = ProjectionMatrixInfo.Init(DepthData.ProjectionMatrix, API_D3D11);
+        if (Status != GFSDK_SSAO_OK)
+        {
+            return Status;
+        }
+
+        Status = Texture.Init(&DepthData.FullResDepthTextureSRV);
+        if (Status != GFSDK_SSAO_OK)
+        {
+            return Status;
+        }
+
+        Status = Viewport.Init(DepthData.Viewport, Texture);
+        if (Status != GFSDK_SSAO_OK)
+        {
+            return Status;
+        }
+
+        DepthTextureType = DepthData.DepthTextureType;
+        MetersToViewSpaceUnits = Max(DepthData.MetersToViewSpaceUnits, 0.f);
+
+        return GFSDK_SSAO_OK;
+    }
+
+    SSAO::D3D12::UserTextureSRV Texture;
+};
+
+} // namespace D3D12
+#endif // SUPPORT_D3D12
+
+//--------------------------------------------------------------------------------
+#if SUPPORT_GL
+namespace GL
+{
+
+//--------------------------------------------------------------------------------
+struct InputDepthInfo : SSAO::InputDepthInfo
+{
+    InputDepthInfo()
+        : SSAO::InputDepthInfo()
+    {
+    }
+
+    GFSDK_SSAO_Status SetData(const GFSDK_SSAO_GLFunctions& GL, const GFSDK_SSAO_InputDepthData_GL& DepthData)
+    {
+        GFSDK_SSAO_Status Status;
+
+        Status = ProjectionMatrixInfo.Init(DepthData.ProjectionMatrix, API_GL);
+        if (Status != GFSDK_SSAO_OK)
+        {
+            return Status;
+        }
+
+        Status = Texture.Init(GL, DepthData.FullResDepthTexture);
+        if (Status != GFSDK_SSAO_OK)
+        {
+            return Status;
+        }
+
+        Status = Viewport.InitFromTexture(DepthData.Viewport, Texture);
+        if (Status != GFSDK_SSAO_OK)
+        {
+            return Status;
+        }
+
+        DepthTextureType = DepthData.DepthTextureType;
+        MetersToViewSpaceUnits = Max(DepthData.MetersToViewSpaceUnits, 0.f);
+
+        return GFSDK_SSAO_OK;
+    }
+
+    SSAO::GL::UserTexture Texture;
+};
+
+} // namespace GL
+#endif // SUPPORT_GL
+
+} // namespace SSAO
+} // namespace GFSDK