1 files changed, 81 insertions, 0 deletions
diff --git a/NvBlast/samples/SampleBase/renderer/RendererHBAO.cpp b/NvBlast/samples/SampleBase/renderer/RendererHBAO.cpp
new file mode 100644
index 0000000..5e20a49
--- /dev/null
+++ b/NvBlast/samples/SampleBase/renderer/RendererHBAO.cpp
@@ -0,0 +1,81 @@
+/*
+* Copyright (c) 2008-2015, 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.
+*/
+
+
+#include "RendererHBAO.h"
+#include "Renderer.h"
+#include "imgui.h"
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//										Renderer HBAO (wrapper for hbao+)
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+RendererHBAO::RendererHBAO()
+{
+	m_SSAOContext = NULL;
+
+	// default parameters
+	m_SSAOParameters.Radius = 2.0f;
+}
+
+
+RendererHBAO::~RendererHBAO()
+{
+	releaseResources();
+}
+
+
+void RendererHBAO::createResources(ID3D11Device *pd3dDevice)
+{
+	GFSDK_SSAO_Status status;
+	status = GFSDK_SSAO_CreateContext_D3D11(pd3dDevice, &m_SSAOContext, nullptr);
+	assert(status == GFSDK_SSAO_OK);
+}
+
+
+void RendererHBAO::releaseResources()
+{
+	if (m_SSAOContext != NULL)
+	{
+		m_SSAOContext->Release();
+	}
+}
+
+
+void RendererHBAO::renderAO(ID3D11DeviceContext *pd3dDeviceContext, ID3D11RenderTargetView* pRTV, ID3D11ShaderResourceView* pDepthSRV, DirectX::XMMATRIX& projMatrix)
+{
+	GFSDK_SSAO_InputData_D3D11 InputData;
+	InputData.DepthData.pFullResDepthTextureSRV = pDepthSRV;
+	InputData.DepthData.DepthTextureType = GFSDK_SSAO_HARDWARE_DEPTHS;
+	InputData.DepthData.MetersToViewSpaceUnits = 1.0f;
+	InputData.DepthData.ProjectionMatrix.Data = GFSDK_SSAO_Float4x4(reinterpret_cast<const GFSDK_SSAO_FLOAT*>(&(projMatrix.r[0])));
+	InputData.DepthData.ProjectionMatrix.Layout = GFSDK_SSAO_ROW_MAJOR_ORDER;
+
+	GFSDK_SSAO_Output_D3D11 Output;
+	Output.pRenderTargetView = pRTV;// m_pSceneRTs->ColorRTV;
+	Output.Blend.Mode = GFSDK_SSAO_MULTIPLY_RGB;
+
+	m_SSAOContext->RenderAO(pd3dDeviceContext, InputData, m_SSAOParameters, Output);
+}
+
+
+void RendererHBAO::drawUI()
+{
+	ImGui::DragFloat("Radius", &(m_SSAOParameters.Radius), 0.05f, 0.0f, 100.0f);
+	ImGui::DragFloat("Bias", &(m_SSAOParameters.Bias), 0.01f, 0.0f, 0.5f);
+	ImGui::DragFloat("NearAO", &(m_SSAOParameters.NearAO), 0.01f, 1.0f, 4.0f);
+	ImGui::DragFloat("FarAO", &(m_SSAOParameters.FarAO), 0.01, 1.0f, 4.0f);
+	ImGui::DragFloat("PowerExponent", &(m_SSAOParameters.PowerExponent), 0.01f, 1.0f, 8.0f);
+	ImGui::Checkbox("ForegroundAO Enabled", (bool*)&(m_SSAOParameters.ForegroundAO.Enable));
+	ImGui::DragFloat("ForegroundAO ViewDepth", &(m_SSAOParameters.ForegroundAO.ForegroundViewDepth), 0.01f, 0.0f, 100.0f);
+	ImGui::Checkbox("BackgroundAO Enabled", (bool*)&(m_SSAOParameters.BackgroundAO.Enable));
+	ImGui::DragFloat("BackgroundAO ViewDepth", &(m_SSAOParameters.BackgroundAO.BackgroundViewDepth), 0.01f, 0.0f, 100.0f);
+}
+\ No newline at end of file