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/*
* 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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