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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 "HBAOSampleD3D11.h"
#include "DeviceManager11.h"
#include "imgui/imgui.h"
#include "imgui/imgui_impl_dx11.h"
#include "GPUTimers.h"
static const uint32_t kNumAppDescriptors = 2;
static const uint32_t kNumImguiDescriptors = 2;
static const uint32_t kNumTotalAppDescriptors = kNumImguiDescriptors + kNumAppDescriptors;
GPUTimers gGPUTimers;
void HBAOSampleD3D11::Initialize()
{
DeviceCreationParameters deviceParams{};
deviceParams.backBufferWidth = mWindowWidth;
deviceParams.backBufferHeight = mWindowHeight;
deviceParams.driverType = D3D_DRIVER_TYPE_HARDWARE;
#if ENABLE_DEBUG_RUNTIME
deviceParams.enableDebugRuntime = true;
#else
deviceParams.enableDebugRuntime = false;
#endif
deviceParams.featureLevel = D3D_FEATURE_LEVEL_11_0;
deviceParams.refreshRate = 0;
deviceParams.startFullscreen = false;
deviceParams.startMaximized = false;
deviceParams.swapChainBufferCount = 2;
deviceParams.swapChainFormat = DXGI_FORMAT_R8G8B8A8_UNORM;
deviceParams.swapChainUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
mDeviceManager.CreateWindowDeviceAndSwapChain(deviceParams, L"HBAO+ D3D11 Sample");
mDeviceManager.AddControllerToBack(this);
mDevice = mDeviceManager.GetDevice();
mDeviceContext = mDeviceManager.GetImmediateContext();
InitializeHBAOPlus();
InitializeRenderTargets();
ImGui_ImplDX11_Init(mDeviceManager.GetHWND(), mDevice, mDeviceContext);
ImGui_ImplDX11_CreateDeviceObjects();
mScene.InitializeDefault();
mSceneRenderer.InitializeWithScene(mDevice, mScene);
gGPUTimers.Create(mDevice, NUM_GPU_TIMES);
}
void HBAOSampleD3D11::Render(RenderTargetView RTV)
{
gGPUTimers.BeginFrame(mDeviceContext);
D3D11_VIEWPORT viewport{};
viewport.TopLeftX = 0;
viewport.TopLeftY = 0;
viewport.Width = (FLOAT)mWindowWidth;
viewport.Height = (FLOAT)mWindowHeight;
viewport.MinDepth = 0.0f;
viewport.MaxDepth = 1.0f;
D3D11_RECT scissorRect{};
scissorRect.left = 0;
scissorRect.right = mWindowWidth;
scissorRect.top = 0;
scissorRect.bottom = mWindowHeight;
mDeviceContext->RSSetScissorRects(1, &scissorRect);
mDeviceContext->RSSetViewports(1, &viewport);
float color[4] = { 0.0f, 0.0f, 0.0f, 1.0f };
mDeviceContext->ClearRenderTargetView(RTV, color);
mDeviceContext->ClearDepthStencilView(mDepthStencilView[0].Get(), D3D11_CLEAR_DEPTH, 1.0f, 0);
mDeviceContext->ClearDepthStencilView(mDepthStencilView[1].Get(), D3D11_CLEAR_DEPTH, 1.0f, 0);
// 1. Render background meshes to DepthStencilView[0]
mDeviceContext->OMSetRenderTargets(1, &RTV, mDepthStencilView[0].Get());
mSceneRenderer.RenderLayer(mDeviceContext, 0, mCamera); // draw the cube mesh (see Scene.cpp)
// 2. Copy DepthStencilView[0] to DepthStencilView[1]
if (mAOParameters.EnableDualLayerAO)
{
mDeviceContext->CopyResource(mDepthStencil[1].Get(), mDepthStencil[0].Get());
}
// 3. Render foreground meshes to DepthStencilView[0]
mSceneRenderer.RenderLayer(mDeviceContext, 1, mCamera); // draw the actor mesh (see Scene.cpp)
GFSDK_SSAO_InputData_D3D11 InputData = {};
InputData.DepthData.DepthTextureType = GFSDK_SSAO_HARDWARE_DEPTHS;
// FullResDepthTextureSRV
if (mAOParameters.EnableDualLayerAO)
{
InputData.DepthData.pFullResDepthTextureSRV = mDepthSRV[0].Get();
InputData.DepthData.pFullResDepthTexture2ndLayerSRV = mDepthSRV[1].Get();
}
else
{
InputData.DepthData.pFullResDepthTextureSRV = mDepthSRV[0].Get();
InputData.DepthData.pFullResDepthTexture2ndLayerSRV = nullptr;
}
// DepthData
InputData.DepthData.ProjectionMatrix.Data = GFSDK_SSAO_Float4x4((const GFSDK_SSAO_FLOAT*)&mCamera.mMatProj);
InputData.DepthData.ProjectionMatrix.Layout = GFSDK_SSAO_ROW_MAJOR_ORDER;
InputData.DepthData.MetersToViewSpaceUnits = 1.0f;
InputData.NormalData.Enable = false;
GFSDK_SSAO_RenderMask RenderMask = GFSDK_SSAO_RENDER_AO;
GFSDK_SSAO_Output_D3D11 Output;
Output.pRenderTargetView = RTV;
{
GPUTimer timer(&gGPUTimers, mDeviceContext, GPU_TIME_AO);
GFSDK_SSAO_Status status = mSSAOContext->RenderAO(mDeviceContext, InputData, mAOParameters, Output, RenderMask);
assert(status == GFSDK_SSAO_OK);
}
mFrameTimeMs = gGPUTimers.GetGPUTimeInMS(GPU_TIME_AO);
ImGui_ImplDX11_NewFrame();
RenderUI();
gGPUTimers.EndFrame(mDeviceContext);
}
void HBAOSampleD3D11::BackBufferResized(uint32_t width, uint32_t height, uint32_t sampleCount)
{
mWindowWidth = width;
mWindowHeight = height;
mCamera.InitProjectionMatrix(width, height);
InitializeRenderTargets();
}
bool HBAOSampleD3D11::InitializeHBAOPlus()
{
InitializeHBAOParameters();
const UINT NodeMask = 1;
GFSDK_SSAO_CustomHeap CustomHeap;
CustomHeap.new_ = ::operator new;
CustomHeap.delete_ = ::operator delete;
GFSDK_SSAO_Status status = GFSDK_SSAO_CreateContext_D3D11(mDevice, &mSSAOContext, &CustomHeap);
assert(status == GFSDK_SSAO_OK);
return true;
}
bool HBAOSampleD3D11::InitializeRenderTargets()
{
D3D11_TEXTURE2D_DESC depthResourceDesc = CD3D11_TEXTURE2D_DESC(DXGI_FORMAT_R32_TYPELESS, mWindowWidth, mWindowHeight, 1, 0, D3D11_BIND_DEPTH_STENCIL | D3D11_BIND_SHADER_RESOURCE);
for (uint32_t i = 0; i < 2; ++i)
{
mDevice->CreateTexture2D(&depthResourceDesc, nullptr, &mDepthStencil[i]);
}
for (uint32_t i = 0; i < 2; ++i)
{
D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc{};
dsvDesc.Format = DXGI_FORMAT_D32_FLOAT;
dsvDesc.Flags = 0;
dsvDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
dsvDesc.Texture2D.MipSlice = 0;
mDevice->CreateDepthStencilView(mDepthStencil[i].Get(), &dsvDesc, &mDepthStencilView[i]);
D3D11_SHADER_RESOURCE_VIEW_DESC depthSRVDesc = {};
depthSRVDesc.Format = DXGI_FORMAT_R32_FLOAT;
depthSRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
depthSRVDesc.Texture2D.MipLevels = 1;
depthSRVDesc.Texture2D.MostDetailedMip = 0; // No MIP
mDevice->CreateShaderResourceView(mDepthStencil[i].Get(), &depthSRVDesc, &mDepthSRV[i]);
}
return true;
}
void HBAOSampleD3D11::Run()
{
mDeviceManager.MessageLoop();
}
extern LRESULT ImGui_ImplDX11_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
LRESULT HBAOSampleD3D11::MsgProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
return ImGui_ImplDX11_WndProcHandler(hWnd, uMsg, wParam, lParam);
}
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