1 files changed, 90 insertions, 0 deletions
diff --git a/src/RandomTexture.h b/src/RandomTexture.h
new file mode 100644
index 0000000..f8afe98
--- /dev/null
+++ b/src/RandomTexture.h
@@ -0,0 +1,90 @@
+/* 
+* 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"
+
+namespace GFSDK
+{
+namespace SSAO
+{
+
+//--------------------------------------------------------------------------------
+class RandomTexture
+{
+public:
+    RandomTexture();
+
+    float4 GetJitter(UINT SliceId)
+    {
+        ASSERT(SliceId < SIZEOF_ARRAY(m_Jitters));
+        return m_Jitters[SliceId % SIZEOF_ARRAY(m_Jitters)];
+    }
+
+    float GetRandomNumber(UINT Index);
+
+protected:
+    static const UINT MAX_MSAA_SAMPLE_COUNT = 8;
+    float4 m_Jitters[RANDOM_TEXTURE_WIDTH * RANDOM_TEXTURE_WIDTH * MAX_MSAA_SAMPLE_COUNT];
+};
+
+#if SUPPORT_D3D11
+namespace D3D11
+{
+
+//--------------------------------------------------------------------------------
+class RandomTexture : public SSAO::RandomTexture
+{
+#if ENABLE_DEBUG_MODES
+public:
+    RandomTexture()
+    : SSAO::RandomTexture()
+    , pTexture(NULL)
+    , pSRV(NULL)
+    {
+    }
+
+    void Create(ID3D11Device* pD3DDevice);
+    void Release();
+    ID3D11Texture2D* pTexture;
+    ID3D11ShaderResourceView* pSRV;
+#endif
+};
+
+} // namespace D3D11
+#endif
+
+#if SUPPORT_D3D12
+namespace D3D12
+{
+
+//--------------------------------------------------------------------------------
+class RandomTexture : public SSAO::RandomTexture
+{
+#if ENABLE_DEBUG_MODES
+public:
+    RandomTexture()
+        : SSAO::RandomTexture()
+        , pTexture(NULL)
+    {
+    }
+
+    void Create(ID3D12Device* pD3DDevice);
+    void Release();
+    ID3D12Resource* pTexture; //ID3D12Texture2D* pTexture;
+    GFSDK_SSAO_ShaderResourceView_D3D12 SRV; // ID3D12ShaderResourceView* pSRV;
+#endif
+};
+
+} // namespace D3D12
+#endif
+
+} // namespace SSAO
+} // namespace GFSDK