HBAO+ 4.0.0.23740451

1 files changed, 143 insertions, 0 deletions

diff --git a/samples/dual_layer/D3D12/src/HBAOSample.cpp b/samples/dual_layer/D3D12/src/HBAOSample.cpp
new file mode 100644
index 0000000..104725c
--- /dev/null
+++ b/samples/dual_layer/D3D12/src/HBAOSample.cpp
@@ -0,0 +1,143 @@
+/*
+* Copyright (c) 2008-2018, 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 "HBAOSample.h"
+#include "imgui/imgui.h"
+#include <Windows.h>
+
+// Library link for HBAO+
+#ifdef _WIN64
+#pragma comment(lib, "GFSDK_SSAO_D3D12.win64.lib")
+#else
+#pragma comment(lib, "GFSDK_SSAO_D3D12.win32.lib")
+#endif
+
+#pragma comment(lib, "D3dcompiler.lib")
+
+void HBAOSample::RenderUI()
+{
+    bool show_ssao_window = true;
+    bool show_test_window = false;
+
+    // Show SSAO property window
+    if (show_ssao_window)
+    {
+        ImGui::SetNextWindowPos(ImVec2(0, 0), ImGuiSetCond_FirstUseEver);
+        ImGui::SetNextWindowSize(ImVec2(400, 300), ImGuiSetCond_FirstUseEver);
+        ImGui::Begin("HBAO+", &show_ssao_window);
+
+        GFSDK_SSAO_Version Version;
+        GFSDK_SSAO_Status Status;
+        Status = GFSDK_SSAO_GetVersion(&Version);
+        assert(Status == GFSDK_SSAO_OK);
+
+        ImGui::Text("HBAO+ %d.%d.%d.%d", Version.Major, Version.Minor, Version.Branch, Version.Revision);
+
+        ImGui::Text("AO: %.2f ms/frame", mFrameTimeMs);
+
+        float radius = mAOParameters.Radius;
+        ImGui::DragFloat("Radius", &radius, 0.05f, 0.0f, 100.0f);
+        if (radius != mAOParameters.Radius)
+        {
+            mAOParameters.Radius = radius;
+            int stop = 0;
+            stop = stop;
+        }
+        ImGui::DragFloat("PowerExponent", &mAOParameters.PowerExponent, 0.05f, 1.f, 8.f);
+        ImGui::DragFloat("Bias", &mAOParameters.Bias, 0.001f, 0, 0.5f);
+
+        ImGui::DragFloat("SmallScaleAO", &mAOParameters.SmallScaleAO, 0.01f, 0.f, 2.f);
+        ImGui::DragFloat("LargeScaleAO", &mAOParameters.LargeScaleAO, 0.01f, 0.f, 2.f);
+
+        bool BlurEnabled = mAOParameters.Blur.Enable ? true : false;
+        ImGui::Checkbox("Blur.Enable", &BlurEnabled);
+        mAOParameters.Blur.Enable = BlurEnabled;
+
+        ImGui::DragFloat("Blur.Sharpness", &mAOParameters.Blur.Sharpness, 0.f, 0.f, 32.0f);
+
+        {
+            const char* listbox_items[] = { "GFSDK_SSAO_FP16_VIEW_DEPTHS", "GFSDK_SSAO_FP32_VIEW_DEPTHS" };
+            int listbox_item_current = (int)mAOParameters.DepthStorage;
+            ImGui::ListBox("DepthStorage", &listbox_item_current, listbox_items, ARRAYSIZE(listbox_items), 2);
+            mAOParameters.DepthStorage = (GFSDK_SSAO_DepthStorage)(listbox_item_current);
+        }
+
+        {
+            bool DoubleLayerEnabled = mAOParameters.EnableDualLayerAO ? true : false;
+            ImGui::Checkbox("DualLayerAO", &DoubleLayerEnabled);
+            mAOParameters.EnableDualLayerAO = DoubleLayerEnabled;
+        }
+        ImGui::End();
+    }
+
+    // Show the ImGui test window. Most of the sample code is in ImGui::ShowTestWindow()
+    if (show_test_window)
+    {
+        ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCond_FirstUseEver);     // Normally user code doesn't need/want to call it because positions are saved in .ini file anyway. Here we just want to make the demo initial state a bit more friendly!
+        ImGui::ShowTestWindow(&show_test_window);
+    }
+
+    ImGui::Render();
+
+    auto& io = ImGui::GetIO();
+
+    static float oldMouseX = io.MousePos.x;
+    static float oldMouseY = io.MousePos.y;
+
+    if (io.MouseClicked[0])
+    {
+        oldMouseX = io.MousePos.x;
+        oldMouseY = io.MousePos.y;
+    }
+
+    if (!io.WantCaptureMouse && io.MouseDown[0])
+    {
+        float mouseDeltaX = io.MousePos.x - oldMouseX;
+        oldMouseX = io.MousePos.x;
+        float mouseDeltaY = io.MousePos.y - oldMouseY;
+        oldMouseY = io.MousePos.y;
+
+        const float kRotationDelta = 0.001f;
+        mCamera.AdvanceAngles(-mouseDeltaX * kRotationDelta, -mouseDeltaY * kRotationDelta);
+    }
+
+    const float kMoveDelta = 0.01f;
+    if (io.KeysDown['W'] || io.KeysDown[VK_UP])
+    {
+        mCamera.MoveForward(kMoveDelta);
+    }
+    if (io.KeysDown['S'] || io.KeysDown[VK_DOWN])
+    {
+        mCamera.MoveForward(-kMoveDelta);
+    }
+
+    if (io.KeysDown['D'] || io.KeysDown[VK_RIGHT])
+    {
+        mCamera.MoveRight(kMoveDelta);
+    }
+    if (io.KeysDown['A'] || io.KeysDown[VK_LEFT])
+    {
+        mCamera.MoveRight(-kMoveDelta);
+    }
+}
+
+void HBAOSample::InitializeHBAOParameters()
+{
+    mAOParameters = {};
+
+    mAOParameters.Radius = 2.f;
+    mAOParameters.Bias = 0.2f;
+    mAOParameters.PowerExponent = 2.f;
+    mAOParameters.Blur.Enable = true;
+    mAOParameters.Blur.Sharpness = 32.f;
+    mAOParameters.Blur.Radius = GFSDK_SSAO_BLUR_RADIUS_4;
+    mAOParameters.DepthStorage = GFSDK_SSAO_FP32_VIEW_DEPTHS;
+    mAOParameters.EnableDualLayerAO = true;
+}
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