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DirectMLSuperResolution.cpp
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//--------------------------------------------------------------------------------------
// DirectMLSuperResolution.cpp
//
// Advanced Technology Group (ATG)
// Copyright (C) Microsoft Corporation. Copyright (C) NVIDIA Corporation. All rights reserved.
// Licensed under the MIT License.
//--------------------------------------------------------------------------------------
#include "pch.h"
#include "DirectMLSuperResolution.h"
#include "ATGColors.h"
#include "ControllerFont.h"
#include "FindMedia.h"
#include "ReadData.h"
#include "Float16Compressor.h"
const wchar_t* c_videoPath = L"FH3_540p60.mp4";
const wchar_t* c_imagePath = L"Assets\\FH3_1_540p.png";
const float c_pipSize = 0.45f; // Relative size of the picture-in-picture window
extern void ExitSample();
using namespace DirectX;
using Microsoft::WRL::ComPtr;
#pragma warning(disable : 4238)
namespace
{
struct Vertex
{
XMFLOAT4 position;
XMFLOAT2 texcoord;
};
struct ImageLayoutCB
{
UINT Height;
UINT Width;
bool UseNhwc;
};
std::vector<uint8_t> LoadBGRAImage(const wchar_t* filename, uint32_t& width, uint32_t& height)
{
ComPtr<IWICImagingFactory> wicFactory;
DX::ThrowIfFailed(CoCreateInstance(CLSID_WICImagingFactory2, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&wicFactory)));
ComPtr<IWICBitmapDecoder> decoder;
DX::ThrowIfFailed(wicFactory->CreateDecoderFromFilename(filename, nullptr, GENERIC_READ, WICDecodeMetadataCacheOnDemand, decoder.GetAddressOf()));
ComPtr<IWICBitmapFrameDecode> frame;
DX::ThrowIfFailed(decoder->GetFrame(0, frame.GetAddressOf()));
DX::ThrowIfFailed(frame->GetSize(&width, &height));
WICPixelFormatGUID pixelFormat;
DX::ThrowIfFailed(frame->GetPixelFormat(&pixelFormat));
uint32_t rowPitch = width * sizeof(uint32_t);
uint32_t imageSize = rowPitch * height;
std::vector<uint8_t> image;
image.resize(size_t(imageSize));
if (memcmp(&pixelFormat, &GUID_WICPixelFormat32bppBGRA, sizeof(GUID)) == 0)
{
DX::ThrowIfFailed(frame->CopyPixels(nullptr, rowPitch, imageSize, reinterpret_cast<BYTE*>(image.data())));
}
else
{
ComPtr<IWICFormatConverter> formatConverter;
DX::ThrowIfFailed(wicFactory->CreateFormatConverter(formatConverter.GetAddressOf()));
BOOL canConvert = FALSE;
DX::ThrowIfFailed(formatConverter->CanConvert(pixelFormat, GUID_WICPixelFormat32bppBGRA, &canConvert));
if (!canConvert)
{
throw std::exception("CanConvert");
}
DX::ThrowIfFailed(formatConverter->Initialize(frame.Get(), GUID_WICPixelFormat32bppBGRA,
WICBitmapDitherTypeErrorDiffusion, nullptr, 0, WICBitmapPaletteTypeMedianCut));
DX::ThrowIfFailed(formatConverter->CopyPixels(nullptr, rowPitch, imageSize, reinterpret_cast<BYTE*>(image.data())));
}
return image;
}
// Divide and round up
static UINT DivUp(UINT a, UINT b)
{
return (a + b - 1) / b;
}
}
Sample::Sample()
: m_ctrlConnected(false)
, m_tensorLayout(TensorLayout::Default)
, m_useDml(true)
, m_showPip(true)
, m_zoomWindowSize(0.05f)
, m_zoomX(0.5f)
, m_zoomY(0.5f)
, m_zoomUpdated(false)
{
// Use gamma-correct rendering.
// Renders only 2D, so no need for a depth buffer.
m_deviceResources = std::make_unique<DX::DeviceResources>(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN,
3, D3D_FEATURE_LEVEL_11_0, DX::DeviceResources::c_AllowTearing);
m_deviceResources->RegisterDeviceNotify(this);
}
Sample::~Sample()
{
if (m_deviceResources)
{
m_deviceResources->WaitForGpu();
}
}
// Initialize the Direct3D resources required to run.
void Sample::Initialize(HWND window, int width, int height)
{
m_gamePad = std::make_unique<GamePad>();
m_keyboard = std::make_unique<Keyboard>();
m_deviceResources->SetWindow(window, width, height);
m_deviceResources->CreateDeviceResources();
CreateDeviceDependentResources();
m_deviceResources->CreateWindowSizeDependentResources();
CreateWindowSizeDependentResources();
}
#pragma region Frame Update
// Executes basic render loop.
void Sample::Tick()
{
m_timer.Tick([&]()
{
Update(m_timer);
});
Render();
}
// Updates the world.
void Sample::Update(DX::StepTimer const& timer)
{
PIXBeginEvent(PIX_COLOR_DEFAULT, L"Update");
float elapsedTime = float(timer.GetElapsedSeconds());
m_fps.Tick(elapsedTime);
auto pad = m_gamePad->GetState(0);
if (pad.IsConnected())
{
m_ctrlConnected = true;
m_gamePadButtons.Update(pad);
if (pad.IsViewPressed())
{
ExitSample();
}
if (m_gamePadButtons.a == DirectX::GamePad::ButtonStateTracker::PRESSED)
{
m_useDml = !m_useDml;
}
if (m_gamePadButtons.y == DirectX::GamePad::ButtonStateTracker::PRESSED)
{
m_showPip = !m_showPip;
}
if (m_gamePadButtons.x == DirectX::GamePad::ButtonStateTracker::PRESSED && m_player.get() != nullptr)
{
if (m_player->IsPlaying())
{
m_player->Pause();
}
else
{
m_player->Play();
}
}
const float TriggerR = pad.triggers.right;
const float TriggerL = pad.triggers.left;
const float ThumbLeftX = pad.thumbSticks.leftX;
const float ThumbLeftY = pad.thumbSticks.leftY;
if (m_showPip && (TriggerR != 0.0f || TriggerL != 0.0f || ThumbLeftX != 0.0f || ThumbLeftY != 0.0f))
{
m_zoomWindowSize += TriggerL * elapsedTime * 0.05f;
m_zoomWindowSize -= TriggerR * elapsedTime * 0.05f;
m_zoomX += ThumbLeftX * elapsedTime * 4.0f * m_zoomWindowSize;
m_zoomY -= ThumbLeftY * elapsedTime * 4.0f * m_zoomWindowSize;
m_zoomUpdated = true;
}
}
else
{
m_ctrlConnected = false;
m_gamePadButtons.Reset();
}
auto kb = m_keyboard->GetState();
m_keyboardButtons.Update(kb);
if (kb.Escape)
{
ExitSample();
}
if (m_keyboardButtons.IsKeyPressed(Keyboard::Space))
{
m_useDml = !m_useDml;
}
if (m_keyboardButtons.IsKeyPressed(Keyboard::Z))
{
m_showPip = !m_showPip;
}
if (m_keyboardButtons.IsKeyPressed(Keyboard::Enter) && m_player.get() != nullptr)
{
if (m_player->IsPlaying())
{
m_player->Pause();
}
else
{
m_player->Play();
}
}
if (m_showPip && (kb.W || kb.S || kb.Up || kb.Down || kb.Left || kb.Right))
{
m_zoomWindowSize += (kb.S ? 0.1f : (kb.W ? -0.1f : 0.0f)) * elapsedTime;
m_zoomX += (kb.Right ? 4.0f : (kb.Left ? -4.0f : 0.0f)) * elapsedTime * m_zoomWindowSize;
m_zoomY += (kb.Down ? 4.0f : (kb.Up ? -4.0f : 0.0f)) * elapsedTime * m_zoomWindowSize;
m_zoomUpdated = true;
}
PIXEndEvent();
}
#pragma endregion
#pragma region Frame Render
// Draws the scene.
void Sample::Render()
{
// Don't try to render anything before the first Update.
if (m_timer.GetFrameCount() == 0)
{
return;
}
#if USE_VIDEO
// Get the latest video frame
RECT r = { 0, 0, static_cast<LONG>(m_origTextureWidth), static_cast<LONG>(m_origTextureHeight) };
MFVideoNormalizedRect rect = { 0.0f, 0.0f, 1.0f, 1.0f };
m_player->TransferFrame(m_sharedVideoTexture, rect, r);
#endif
// Prepare the command list to render a new frame.
m_deviceResources->Prepare();
Clear();
auto commandList = m_deviceResources->GetCommandList();
// If requested, run the current frame texture through the DirectML model to upscale it.
if (m_useDml)
{
// Convert image to tensor format (original texture -> model input)
{
PIXBeginEvent(commandList, PIX_COLOR_DEFAULT, L"Convert input image");
ID3D12DescriptorHeap* pHeaps[] = { m_SRVDescriptorHeap->Heap() };
commandList->SetDescriptorHeaps(_countof(pHeaps), pHeaps);
commandList->SetComputeRootSignature(m_computeRootSignature.Get());
ImageLayoutCB imageLayoutCB = {};
imageLayoutCB.Height = m_origTextureHeight;
imageLayoutCB.Width = m_origTextureWidth;
imageLayoutCB.UseNhwc = (m_tensorLayout == TensorLayout::NHWC);
commandList->SetComputeRoot32BitConstants(e_crpIdxCB, 3, &imageLayoutCB, 0);
commandList->SetComputeRootDescriptorTable(e_crpIdxSRV, m_SRVDescriptorHeap->GetGpuHandle(e_descTexture));
commandList->SetComputeRootDescriptorTable(e_crpIdxUAV, m_SRVDescriptorHeap->GetGpuHandle(e_descModelInput));
commandList->SetPipelineState(m_computePSO.Get());
commandList->Dispatch(DivUp(m_origTextureWidth, 32), DivUp(m_origTextureHeight, 16), 1);
commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::UAV(nullptr));
PIXEndEvent(commandList);
}
// Run the DirectML operations (model input -> model output)
{
PIXBeginEvent(commandList, PIX_COLOR_DEFAULT, L"DML ops");
ID3D12DescriptorHeap* pHeaps[] = { m_dmlDescriptorHeap->Heap() };
commandList->SetDescriptorHeaps(_countof(pHeaps), pHeaps);
#if !(USE_DMLX)
// Create an upsampled (nearest neighbor) version of the image first
m_dmlCommandRecorder->RecordDispatch(commandList, m_dmlUpsampleOps[0].Get(), m_dmlUpsampleBindings[0].Get());
// No UAV barrier is required here since we don't use the result right away.
// Run the intermediate model steps: 3 convolutions (with premultiplied batch normalization
// baked into the weights), an upsample, 3 convolutions w/ premultiplied batch norm, 1 final convolution.
// This generates a residual image.
for (int i = 0; i < c_numConvLayers; i++)
{
// Convolution
m_dmlCommandRecorder->RecordDispatch(commandList, m_dmlConvOps[i].Get(), m_dmlConvBindings[i].Get());
commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::UAV(nullptr));
if (i == 2)
{
// Intermediate upsample
m_dmlCommandRecorder->RecordDispatch(commandList, m_dmlUpsampleOps[1].Get(), m_dmlUpsampleBindings[1].Get());
commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::UAV(nullptr));
}
}
// Add the residual image to the original nearest-neighbor upscale
m_dmlCommandRecorder->RecordDispatch(commandList, m_dmlAddResidualOp.Get(), m_dmlAddResidualBinding.Get());
#else
m_dmlCommandRecorder->RecordDispatch(commandList, m_dmlGraph.Get(), m_dmlBindingTable.Get());
#endif
// UAV barrier handled below
PIXEndEvent(commandList);
}
}
// Render either the DML result or a bilinear upscale to a texture
{
PIXBeginEvent(commandList, PIX_COLOR_DEFAULT, L"Render to texture");
D3D12_RESOURCE_BARRIER barriers[] = {
CD3DX12_RESOURCE_BARRIER::Transition(m_finalResultTexture.Get(), D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE, D3D12_RESOURCE_STATE_RENDER_TARGET),
CD3DX12_RESOURCE_BARRIER::Transition(m_modelOutput.Get(), D3D12_RESOURCE_STATE_UNORDERED_ACCESS, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE),
CD3DX12_RESOURCE_BARRIER::UAV(nullptr)
};
commandList->ResourceBarrier(m_useDml ? _countof(barriers) : 1, barriers);
auto rtv = m_RTVDescriptorHeap->GetCpuHandle(e_descFinalResultTextureRtv);
commandList->OMSetRenderTargets(1, &rtv, FALSE, nullptr);
// Use linear clear color for gamma-correct rendering.
commandList->ClearRenderTargetView(rtv, Colors::Black, 0, nullptr);
D3D12_VIEWPORT texViewport = {};
D3D12_RECT texScissor = {};
texViewport.Height = static_cast<FLOAT>(texScissor.bottom = m_origTextureHeight * 2);
texViewport.Width = static_cast<FLOAT>(texScissor.right = m_origTextureWidth * 2);
commandList->RSSetViewports(1, &texViewport);
commandList->RSSetScissorRects(1, &texScissor);
auto heap = m_SRVDescriptorHeap->Heap();
// Convert output tensor back to image (model output -> final result texture)
if (m_useDml)
{
commandList->SetGraphicsRootSignature(m_tensorRenderRootSignature.Get());
commandList->SetPipelineState(m_tensorRenderPipelineState.Get());
commandList->SetDescriptorHeaps(1, &heap);
ImageLayoutCB imageLayoutCB = {};
imageLayoutCB.Height = m_origTextureHeight * 2;
imageLayoutCB.Width = m_origTextureWidth * 2;
imageLayoutCB.UseNhwc = (m_tensorLayout == TensorLayout::NHWC);
commandList->SetGraphicsRoot32BitConstants(e_rrpIdxCB, 3, &imageLayoutCB, 0);
commandList->SetGraphicsRootDescriptorTable(e_rrpIdxSRV, m_SRVDescriptorHeap->GetGpuHandle(e_descModelOutput));
}
// Bilinear upscale of original image (original texture -> final result texture)
else
{
commandList->SetGraphicsRootSignature(m_texRootSignatureLinear.Get());
commandList->SetPipelineState(m_texPipelineStateLinear.Get());
commandList->SetDescriptorHeaps(1, &heap);
commandList->SetGraphicsRootDescriptorTable(0, m_SRVDescriptorHeap->GetGpuHandle(e_descTexture));
}
// Set necessary state.
commandList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
commandList->IASetVertexBuffers(0, 1, &m_vertexBufferView);
commandList->IASetIndexBuffer(&m_indexBufferView);
// Draw quad.
commandList->DrawIndexedInstanced(6, 1, 0, 0, 0);
PIXEndEvent(commandList);
}
// Render the result to the screen
auto viewport = m_deviceResources->GetScreenViewport();
auto scissorRect = m_deviceResources->GetScissorRect();
{
PIXBeginEvent(commandList, PIX_COLOR_DEFAULT, L"Render to screen");
D3D12_RESOURCE_BARRIER barriers[] = {
CD3DX12_RESOURCE_BARRIER::Transition(m_finalResultTexture.Get(), D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE),
CD3DX12_RESOURCE_BARRIER::Transition(m_modelOutput.Get(), D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE, D3D12_RESOURCE_STATE_UNORDERED_ACCESS),
CD3DX12_RESOURCE_BARRIER::UAV(nullptr)
};
commandList->ResourceBarrier(m_useDml ? _countof(barriers) : 1, barriers);
commandList->OMSetRenderTargets(1, &m_deviceResources->GetRenderTargetView(), FALSE, nullptr);
commandList->SetGraphicsRootSignature(m_texRootSignatureLinear.Get());
commandList->SetPipelineState(m_texPipelineStateLinear.Get());
auto heap = m_SRVDescriptorHeap->Heap();
commandList->SetDescriptorHeaps(1, &heap);
commandList->SetGraphicsRootDescriptorTable(0,
m_SRVDescriptorHeap->GetGpuHandle(e_descFinalResultTextureSrv));
// Set necessary state.
commandList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
commandList->IASetIndexBuffer(&m_indexBufferView);
// Draw full screen texture
commandList->RSSetViewports(1, &viewport);
commandList->RSSetScissorRects(1, &scissorRect);
commandList->IASetVertexBuffers(0, 1, &m_vertexBufferView);
commandList->DrawIndexedInstanced(6, 1, 0, 0, 0);
PIXEndEvent(commandList);
}
// Draw zoomed picture-in-picture window
if (m_showPip)
{
PIXBeginEvent(commandList, PIX_COLOR_DEFAULT, L"Render PIP");
// Use nearest-neighbor interpolation so individual pixels are visible.
commandList->SetGraphicsRootSignature(m_texRootSignatureNN.Get());
commandList->SetPipelineState(m_texPipelineStateNN.Get());
if (m_zoomUpdated)
{
UpdateZoomVertexBuffer();
m_zoomUpdated = false;
}
auto pipViewport = viewport;
auto pipScissor = scissorRect;
pipViewport.Width = viewport.Width * c_pipSize;
pipViewport.Height = viewport.Height * c_pipSize;
pipScissor.right = static_cast<LONG>(scissorRect.right * c_pipSize);
pipScissor.bottom = static_cast<LONG>(scissorRect.bottom * c_pipSize);
commandList->SetGraphicsRootDescriptorTable(0,
m_SRVDescriptorHeap->GetGpuHandle(e_descFinalResultTextureSrv));
commandList->RSSetViewports(1, &pipViewport);
commandList->RSSetScissorRects(1, &pipScissor);
commandList->IASetVertexBuffers(0, 1, &m_zoomedVertexBufferView);
commandList->DrawIndexedInstanced(6, 1, 0, 0, 0);
PIXEndEvent(commandList);
}
// Render the UI
{
PIXBeginEvent(commandList, PIX_COLOR_DEFAULT, L"Render UI");
commandList->RSSetViewports(1, &viewport);
commandList->RSSetScissorRects(1, &scissorRect);
auto size = m_deviceResources->GetOutputSize();
auto safe = SimpleMath::Viewport::ComputeTitleSafeArea(size.right, size.bottom);
// Draw a border around the PIP so it stands out.
if (m_showPip)
{
m_lineEffect->Apply(commandList);
m_lineBatch->Begin(commandList);
VertexPositionColor lowerLeft(SimpleMath::Vector3(0.f, size.bottom * c_pipSize, 0.f), ATG::Colors::White);
VertexPositionColor upperRight(SimpleMath::Vector3(size.right * c_pipSize, 0.f, 0.f), ATG::Colors::White);
VertexPositionColor lowerRight(SimpleMath::Vector3(size.right * c_pipSize, size.bottom * c_pipSize, 0.f), ATG::Colors::White);
m_lineBatch->DrawLine(lowerLeft, lowerRight);
m_lineBatch->DrawLine(upperRight, lowerRight);
m_lineBatch->End();
}
// Draw the text HUD.
ID3D12DescriptorHeap* fontHeaps[] = { m_fontDescriptorHeap->Heap() };
commandList->SetDescriptorHeaps(_countof(fontHeaps), fontHeaps);
m_spriteBatch->Begin(commandList);
float xCenter = static_cast<float>(safe.left + (safe.right - safe.left) / 2);
const wchar_t* mainLegend = m_ctrlConnected ?
L"[View] Exit [Y] Toggle PIP [A] Upscale Mode [X] Play/Pause"
: L"ESC - Exit Z - Toggle PIP SPACE - Upscale Mode ENTER - Play/Pause";
SimpleMath::Vector2 mainLegendSize = m_legendFont->MeasureString(mainLegend);
auto mainLegendPos = SimpleMath::Vector2(xCenter - mainLegendSize.x / 2, static_cast<float>(safe.bottom) - m_legendFont->GetLineSpacing());
// Render a drop shadow by drawing the text twice with a slight offset.
DX::DrawControllerString(m_spriteBatch.get(), m_legendFont.get(), m_ctrlFont.get(),
mainLegend, mainLegendPos + SimpleMath::Vector2(2.f, 2.f), SimpleMath::Vector4(0.0f, 0.0f, 0.0f, 0.25f));
DX::DrawControllerString(m_spriteBatch.get(), m_legendFont.get(), m_ctrlFont.get(),
mainLegend, mainLegendPos, ATG::Colors::White);
if (m_showPip)
{
const wchar_t* pipLegend = m_ctrlConnected ?
L"[LThumb] Move Zoom Target\n[LT][RT] Zoom In/Out"
: L"ARROWS - Move Zoom Target\nW - Zoom In\nS - Zoom Out";
auto pipLegendPos = SimpleMath::Vector2(static_cast<float>(safe.left), 20.f + size.bottom * c_pipSize);
DX::DrawControllerString(m_spriteBatch.get(), m_legendFont.get(), m_ctrlFont.get(),
pipLegend, pipLegendPos + SimpleMath::Vector2(2.f, 2.f), SimpleMath::Vector4(0.0f, 0.0f, 0.0f, 0.25f));
DX::DrawControllerString(m_spriteBatch.get(), m_legendFont.get(), m_ctrlFont.get(),
pipLegend, pipLegendPos, ATG::Colors::White);
}
const wchar_t* modeLabel = L"Upscale mode:";
SimpleMath::Vector2 modeLabelSize = m_labelFontBold->MeasureString(modeLabel);
auto modeLabelPos = SimpleMath::Vector2(safe.right - modeLabelSize.x, static_cast<float>(safe.top));
m_labelFontBold->DrawString(m_spriteBatch.get(), modeLabel, modeLabelPos + SimpleMath::Vector2(2.f, 2.f), SimpleMath::Vector4(0.f, 0.f, 0.f, 0.25f));
m_labelFontBold->DrawString(m_spriteBatch.get(), modeLabel, modeLabelPos, ATG::Colors::White);
const wchar_t* modeType = m_useDml ? L"Super-resolution Neural Network" : L"Bilinear Filter";
SimpleMath::Vector2 modeTypeSize = m_labelFont->MeasureString(modeType);
auto modeTypePos = SimpleMath::Vector2(safe.right - modeTypeSize.x, static_cast<float>(safe.top) + m_labelFontBold->GetLineSpacing());
m_labelFont->DrawString(m_spriteBatch.get(), modeType, modeTypePos + SimpleMath::Vector2(2.f, 2.f), SimpleMath::Vector4(0.f, 0.f, 0.f, 0.25f));
m_labelFont->DrawString(m_spriteBatch.get(), modeType, modeTypePos, ATG::Colors::White);
wchar_t fps[16];
swprintf_s(fps, 16, L"%0.2f FPS", m_fps.GetFPS());
SimpleMath::Vector2 fpsSize = m_labelFont->MeasureString(fps);
auto fpsPos = SimpleMath::Vector2(safe.right - fpsSize.x, static_cast<float>(safe.top) + m_labelFont->GetLineSpacing() * 3.f);
m_labelFont->DrawString(m_spriteBatch.get(), fps, fpsPos + SimpleMath::Vector2(2.f, 2.f), SimpleMath::Vector4(0.f, 0.f, 0.f, 0.25f));
m_labelFont->DrawString(m_spriteBatch.get(), fps, fpsPos, ATG::Colors::White);
m_spriteBatch->End();
PIXEndEvent(commandList);
}
// Show the new frame.
PIXBeginEvent(m_deviceResources->GetCommandQueue(), PIX_COLOR_DEFAULT, L"Present");
m_deviceResources->Present();
PIXEndEvent(m_deviceResources->GetCommandQueue());
m_graphicsMemory->Commit(m_deviceResources->GetCommandQueue());
}
void Sample::UpdateZoomVertexBuffer()
{
m_zoomWindowSize = std::max(c_minZoom, std::min(m_zoomWindowSize, c_maxZoom));
float minZoomX = m_zoomWindowSize;
float minZoomY = m_zoomWindowSize;
float maxZoomX = 1.0f - m_zoomWindowSize;
float maxZoomY = 1.0f - m_zoomWindowSize;
m_zoomX = std::max(minZoomX, std::min(m_zoomX, maxZoomX));
m_zoomY = std::max(minZoomY, std::min(m_zoomY, maxZoomY));
float zoomLeft = m_zoomX - m_zoomWindowSize;
float zoomRight = m_zoomX + m_zoomWindowSize;
float zoomTop = m_zoomY - m_zoomWindowSize;
float zoomBottom = m_zoomY + m_zoomWindowSize;
Vertex* vertexBuffer = reinterpret_cast<Vertex*>(m_zoomedVertexHeap.Memory());
vertexBuffer[0].texcoord = { zoomLeft, zoomBottom };
vertexBuffer[1].texcoord = { zoomRight, zoomBottom };
vertexBuffer[2].texcoord = { zoomRight, zoomTop };
vertexBuffer[3].texcoord = { zoomLeft, zoomTop };
}
// Helper method to clear the back buffers.
void Sample::Clear()
{
auto commandList = m_deviceResources->GetCommandList();
PIXBeginEvent(commandList, PIX_COLOR_DEFAULT, L"Clear");
// Clear the views.
auto rtvDescriptor = m_deviceResources->GetRenderTargetView();
commandList->OMSetRenderTargets(1, &rtvDescriptor, FALSE, nullptr);
// Use linear clear color for gamma-correct rendering.
commandList->ClearRenderTargetView(rtvDescriptor, ATG::ColorsLinear::Background, 0, nullptr);
// Set the viewport and scissor rect.
auto viewport = m_deviceResources->GetScreenViewport();
auto scissorRect = m_deviceResources->GetScissorRect();
commandList->RSSetViewports(1, &viewport);
commandList->RSSetScissorRects(1, &scissorRect);
PIXEndEvent(commandList);
}
#pragma endregion
#pragma region Message Handlers
// Message handlers
void Sample::OnActivated()
{
}
void Sample::OnDeactivated()
{
}
void Sample::OnSuspending()
{
}
void Sample::OnResuming()
{
m_timer.ResetElapsedTime();
m_gamePadButtons.Reset();
m_keyboardButtons.Reset();
}
void Sample::OnWindowMoved()
{
auto r = m_deviceResources->GetOutputSize();
m_deviceResources->WindowSizeChanged(r.right, r.bottom);
}
void Sample::OnWindowSizeChanged(int width, int height)
{
if (!m_deviceResources->WindowSizeChanged(width, height))
return;
CreateWindowSizeDependentResources();
}
// Properties
void Sample::GetDefaultSize(int& width, int& height) const
{
width = 1920;
height = 1080;
}
#pragma endregion
#pragma region Direct3D Resources
// These are the resources that depend on the device.
void Sample::CreateDeviceDependentResources()
{
auto device = m_deviceResources->GetD3DDevice();
m_graphicsMemory = std::make_unique<GraphicsMemory>(device);
// Create descriptor heaps.
{
m_SRVDescriptorHeap = std::make_unique<DescriptorHeap>(
device,
D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV,
D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE,
e_srvDescCount);
m_RTVDescriptorHeap = std::make_unique<DescriptorHeap>(
device,
D3D12_DESCRIPTOR_HEAP_TYPE_RTV,
D3D12_DESCRIPTOR_HEAP_FLAG_NONE,
e_rtvDescCount);
m_fontDescriptorHeap = std::make_unique<DescriptorHeap>(
device,
D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV,
D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE,
e_fontDescCount);
}
CreateTextureResources();
CreateDirectMLResources();
InitializeDirectMLResources();
CreateUIResources();
}
void Sample::CreateTextureResources()
{
auto device = m_deviceResources->GetD3DDevice();
// Create root signatures with one sampler and one texture--one for nearest neighbor sampling,
// and one for bilinear.
{
CD3DX12_DESCRIPTOR_RANGE descRange = {};
descRange.Init(D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 1, 0);
CD3DX12_ROOT_PARAMETER rp = {};
rp.InitAsDescriptorTable(1, &descRange, D3D12_SHADER_VISIBILITY_PIXEL);
// Nearest neighbor sampling
D3D12_STATIC_SAMPLER_DESC samplerDesc = {};
samplerDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_POINT;
samplerDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
samplerDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
samplerDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
samplerDesc.MaxAnisotropy = 16;
samplerDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL;
samplerDesc.BorderColor = D3D12_STATIC_BORDER_COLOR_OPAQUE_WHITE;
samplerDesc.MinLOD = 0;
samplerDesc.MaxLOD = D3D12_FLOAT32_MAX;
samplerDesc.ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
CD3DX12_ROOT_SIGNATURE_DESC rootSignatureDesc = {};
rootSignatureDesc.Init(1, &rp, 1, &samplerDesc,
D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT
| D3D12_ROOT_SIGNATURE_FLAG_DENY_DOMAIN_SHADER_ROOT_ACCESS
| D3D12_ROOT_SIGNATURE_FLAG_DENY_GEOMETRY_SHADER_ROOT_ACCESS
| D3D12_ROOT_SIGNATURE_FLAG_DENY_HULL_SHADER_ROOT_ACCESS);
ComPtr<ID3DBlob> signature;
ComPtr<ID3DBlob> error;
HRESULT hr = D3D12SerializeRootSignature(&rootSignatureDesc, D3D_ROOT_SIGNATURE_VERSION_1, &signature, &error);
if (FAILED(hr))
{
if (error)
{
OutputDebugStringA(reinterpret_cast<const char*>(error->GetBufferPointer()));
}
throw DX::com_exception(hr);
}
DX::ThrowIfFailed(
device->CreateRootSignature(0, signature->GetBufferPointer(), signature->GetBufferSize(),
IID_PPV_ARGS(m_texRootSignatureNN.ReleaseAndGetAddressOf())));
// Bilinear sampling
samplerDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_LINEAR;
rootSignatureDesc.Init(1, &rp, 1, &samplerDesc,
D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT
| D3D12_ROOT_SIGNATURE_FLAG_DENY_DOMAIN_SHADER_ROOT_ACCESS
| D3D12_ROOT_SIGNATURE_FLAG_DENY_GEOMETRY_SHADER_ROOT_ACCESS
| D3D12_ROOT_SIGNATURE_FLAG_DENY_HULL_SHADER_ROOT_ACCESS);
hr = D3D12SerializeRootSignature(&rootSignatureDesc, D3D_ROOT_SIGNATURE_VERSION_1, &signature, &error);
if (FAILED(hr))
{
if (error)
{
OutputDebugStringA(reinterpret_cast<const char*>(error->GetBufferPointer()));
}
throw DX::com_exception(hr);
}
DX::ThrowIfFailed(
device->CreateRootSignature(0, signature->GetBufferPointer(), signature->GetBufferSize(),
IID_PPV_ARGS(m_texRootSignatureLinear.ReleaseAndGetAddressOf())));
}
// Create the pipeline state for a basic textured quad render, which includes loading shaders.
{
auto vertexShaderBlob = DX::ReadData(L"VertexShader.cso");
auto pixelShaderBlob = DX::ReadData(L"PixelShader.cso");
static const D3D12_INPUT_ELEMENT_DESC s_inputElementDesc[2] =
{
{ "SV_Position", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 16, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
};
// Describe and create the graphics pipeline state objects (PSO).
D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = {};
psoDesc.InputLayout = { s_inputElementDesc, _countof(s_inputElementDesc) };
psoDesc.pRootSignature = m_texRootSignatureNN.Get();
psoDesc.VS = { vertexShaderBlob.data(), vertexShaderBlob.size() };
psoDesc.PS = { pixelShaderBlob.data(), pixelShaderBlob.size() };
psoDesc.RasterizerState = CD3DX12_RASTERIZER_DESC(D3D12_DEFAULT);
psoDesc.BlendState = CD3DX12_BLEND_DESC(D3D12_DEFAULT);
psoDesc.DepthStencilState.DepthEnable = FALSE;
psoDesc.DepthStencilState.StencilEnable = FALSE;
psoDesc.DSVFormat = m_deviceResources->GetDepthBufferFormat();
psoDesc.SampleMask = UINT_MAX;
psoDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;
psoDesc.NumRenderTargets = 1;
psoDesc.RTVFormats[0] = m_deviceResources->GetBackBufferFormat();
psoDesc.SampleDesc.Count = 1;
DX::ThrowIfFailed(
device->CreateGraphicsPipelineState(&psoDesc,
IID_PPV_ARGS(m_texPipelineStateNN.ReleaseAndGetAddressOf())));
psoDesc.pRootSignature = m_texRootSignatureLinear.Get();
DX::ThrowIfFailed(
device->CreateGraphicsPipelineState(&psoDesc,
IID_PPV_ARGS(m_texPipelineStateLinear.ReleaseAndGetAddressOf())));
}
// Create vertex buffer for full screen texture render.
{
static const Vertex s_vertexData[4] =
{
{ { -1.f, -1.f, 1.f, 1.0f },{ 0.f, 1.f } },
{ { 1.f, -1.f, 1.f, 1.0f },{ 1.f, 1.f } },
{ { 1.f, 1.f, 1.f, 1.0f },{ 1.f, 0.f } },
{ { -1.f, 1.f, 1.f, 1.0f },{ 0.f, 0.f } },
};
// Note: using upload heaps to transfer static data like vert buffers is not
// recommended. Every time the GPU needs it, the upload heap will be marshalled
// over. Please read up on Default Heap usage. An upload heap is used here for
// code simplicity and because there are very few verts to actually transfer.
DX::ThrowIfFailed(
device->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(sizeof(s_vertexData)),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(m_vertexBuffer.ReleaseAndGetAddressOf())));
// Copy the quad data to the vertex buffer.
UINT8* pVertexDataBegin;
CD3DX12_RANGE readRange(0, 0); // We do not intend to read from this resource on the CPU.
DX::ThrowIfFailed(
m_vertexBuffer->Map(0, &readRange, reinterpret_cast<void**>(&pVertexDataBegin)));
memcpy(pVertexDataBegin, s_vertexData, sizeof(s_vertexData));
m_vertexBuffer->Unmap(0, nullptr);
// Initialize the vertex buffer view.
m_vertexBufferView.BufferLocation = m_vertexBuffer->GetGPUVirtualAddress();
m_vertexBufferView.StrideInBytes = sizeof(Vertex);
m_vertexBufferView.SizeInBytes = sizeof(s_vertexData);
}
// Create vertex buffer for zoomed picture-in-picture window.
{
// Dynamic vertex buffer since this will change
m_zoomedVertexHeap = GraphicsMemory::Get().Allocate(sizeof(Vertex) * 4);
float zoomLeft = m_zoomX - m_zoomWindowSize;
float zoomRight = m_zoomX + m_zoomWindowSize;
float zoomTop = m_zoomY - m_zoomWindowSize;
float zoomBottom = m_zoomY + m_zoomWindowSize;
static const Vertex s_zoomedVertexData[4] =
{
{ { -1.f, -1.f, 1.f, 1.0f },{ zoomLeft, zoomBottom } },
{ { 1.f, -1.f, 1.f, 1.0f },{ zoomRight, zoomBottom } },
{ { 1.f, 1.f, 1.f, 1.0f },{ zoomRight, zoomTop } },
{ { -1.f, 1.f, 1.f, 1.0f },{ zoomLeft, zoomTop } },
};
memcpy(m_zoomedVertexHeap.Memory(), s_zoomedVertexData, sizeof(s_zoomedVertexData));
// Initialize the vertex buffer view.
m_zoomedVertexBufferView.BufferLocation = m_zoomedVertexHeap.GpuAddress();
m_zoomedVertexBufferView.StrideInBytes = sizeof(Vertex);
m_zoomedVertexBufferView.SizeInBytes = sizeof(s_zoomedVertexData);
}
// Create index buffer.
{
static const uint16_t s_indexData[6] =
{
3,1,0,
2,1,3,
};
// See note above
DX::ThrowIfFailed(
device->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(sizeof(s_indexData)),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(m_indexBuffer.ReleaseAndGetAddressOf())));
// Copy the data to the index buffer.
UINT8* pVertexDataBegin;
CD3DX12_RANGE readRange(0, 0); // We do not intend to read from this resource on the CPU.
DX::ThrowIfFailed(
m_indexBuffer->Map(0, &readRange, reinterpret_cast<void**>(&pVertexDataBegin)));
memcpy(pVertexDataBegin, s_indexData, sizeof(s_indexData));
m_indexBuffer->Unmap(0, nullptr);
// Initialize the index buffer view.
m_indexBufferView.BufferLocation = m_indexBuffer->GetGPUVirtualAddress();
m_indexBufferView.Format = DXGI_FORMAT_R16_UINT;
m_indexBufferView.SizeInBytes = sizeof(s_indexData);
}
#if USE_VIDEO
// Create video player.
{
wchar_t buff[MAX_PATH];
DX::FindMediaFile(buff, MAX_PATH, c_videoPath);
m_player = std::make_unique<MediaEnginePlayer>();
m_player->Initialize(m_deviceResources->GetDXGIFactory(), device, DXGI_FORMAT_B8G8R8A8_UNORM);
m_player->SetSource(buff);
while (!m_player->IsInfoReady())
{
SwitchToThread();
}
m_player->GetNativeVideoSize(m_origTextureWidth, m_origTextureHeight);
m_player->SetLoop(true);
// Create texture to receive video frames.
CD3DX12_RESOURCE_DESC desc(
D3D12_RESOURCE_DIMENSION_TEXTURE2D,
0,
m_origTextureWidth,
m_origTextureHeight,
1,
1,
DXGI_FORMAT_B8G8R8A8_UNORM,
1,
0,
D3D12_TEXTURE_LAYOUT_UNKNOWN,
D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET | D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS);
CD3DX12_HEAP_PROPERTIES defaultHeapProperties(D3D12_HEAP_TYPE_DEFAULT);
DX::ThrowIfFailed(
device->CreateCommittedResource(
&defaultHeapProperties,
D3D12_HEAP_FLAG_SHARED,
&desc,
D3D12_RESOURCE_STATE_NON_PIXEL_SHADER_RESOURCE,
nullptr,
IID_PPV_ARGS(m_videoTexture.ReleaseAndGetAddressOf())));
CreateShaderResourceView(device, m_videoTexture.Get(), m_SRVDescriptorHeap->GetCpuHandle(e_descTexture));
DX::ThrowIfFailed(
device->CreateSharedHandle(
m_videoTexture.Get(),
nullptr,
GENERIC_ALL,
nullptr,
&m_sharedVideoTexture));
}
#else
// Create static texture.
{
auto commandList = m_deviceResources->GetCommandList();
commandList->Reset(m_deviceResources->GetCommandAllocator(), nullptr);
ComPtr<ID3D12Resource> textureUploadHeap;
D3D12_RESOURCE_DESC txtDesc = {};
txtDesc.MipLevels = txtDesc.DepthOrArraySize = 1;
txtDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
txtDesc.SampleDesc.Count = 1;
txtDesc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D;
wchar_t buff[MAX_PATH];
DX::FindMediaFile(buff, MAX_PATH, c_imagePath);
UINT width, height;
auto image = LoadBGRAImage(buff, width, height);
txtDesc.Width = m_origTextureWidth = width;
txtDesc.Height = m_origTextureHeight = height;
DX::ThrowIfFailed(
device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
D3D12_HEAP_FLAG_NONE,
&txtDesc,
D3D12_RESOURCE_STATE_COPY_DEST,
nullptr,
IID_PPV_ARGS(m_texture.ReleaseAndGetAddressOf())));
const UINT64 uploadBufferSize = GetRequiredIntermediateSize(m_texture.Get(), 0, 1);
// Create the GPU upload buffer.
DX::ThrowIfFailed(
device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,