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xxGraphicD3D12.cpp
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xxGraphicD3D12.cpp
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//==============================================================================
// xxGraphic : Direct3D 12.0 Source
//
// Copyright (c) 2019-2024 TAiGA
// https://github.com/metarutaiga/xxGraphic
//==============================================================================
#include "xxSystem.h"
#include "dxsdk/d3d12.h"
#include "dxsdk/dxgi1_4.h"
#include "internal/xxGraphicInternalD3D.h"
#include "xxGraphicD3DAsm.h"
#include "xxGraphicD3D12.h"
typedef HRESULT (WINAPI *PFN_CREATE_DXGI_FACTORY1)(REFIID, void**);
#define PERSISTENT_BUFFER 1
static void* g_d3dLibrary = nullptr;
static void* g_dxgiLibrary = nullptr;
static IDXGIFactory4* g_dxgiFactory = nullptr;
static ID3D12CommandQueue* g_commandQueue = nullptr;
static ID3D12Fence* g_fence = nullptr;
static HANDLE g_fenceEvent = nullptr;
static UINT64 g_fenceValue = 0;
static UINT64 g_fenceValues[NUM_BACK_BUFFERS] = {};
static ID3D12DescriptorHeap* g_shaderHeap = nullptr;
static UINT g_shaderDescriptorSize = 0;
static UINT g_shaderAvailableHandle = 0;
static D3D12_CPU_DESCRIPTOR_HANDLE g_shaderCPUHandles[256] = {};
static D3D12_GPU_DESCRIPTOR_HANDLE g_shaderGPUHandles[256] = {};
static ID3D12DescriptorHeap* g_samplerHeap = nullptr;
static UINT g_samplerDescriptorSize = 0;
static UINT g_samplerAvailableHandle = 0;
static D3D12_CPU_DESCRIPTOR_HANDLE g_samplerCPUHandles[256] = {};
static D3D12_GPU_DESCRIPTOR_HANDLE g_samplerGPUHandles[256] = {};
static ID3D12RootSignature* g_rootSignature = nullptr;
//==============================================================================
// Fence
//==============================================================================
static void signalFence(bool wait)
{
g_commandQueue->Signal(g_fence, g_fenceValue);
if (wait)
{
g_fence->SetEventOnCompletion(g_fenceValue, g_fenceEvent);
WaitForSingleObjectEx(g_fenceEvent, 1000, FALSE);
}
g_fenceValue++;
}
//==============================================================================
// Heap
//==============================================================================
static void createShaderHeap(D3D12_CPU_DESCRIPTOR_HANDLE& cpuHandle, D3D12_GPU_DESCRIPTOR_HANDLE& gpuHandle)
{
g_shaderAvailableHandle--;
cpuHandle = g_shaderCPUHandles[g_shaderAvailableHandle];
gpuHandle = g_shaderGPUHandles[g_shaderAvailableHandle];
}
//------------------------------------------------------------------------------
static void destroyShaderHeap(D3D12_CPU_DESCRIPTOR_HANDLE& cpuHandle, D3D12_GPU_DESCRIPTOR_HANDLE& gpuHandle)
{
if (cpuHandle.ptr == 0 && gpuHandle.ptr == 0)
return;
if (cpuHandle.ptr == 0)
{
cpuHandle.ptr = g_shaderHeap->GetCPUDescriptorHandleForHeapStart().ptr + (SIZE_T)(gpuHandle.ptr - g_shaderHeap->GetGPUDescriptorHandleForHeapStart().ptr);
}
if (gpuHandle.ptr == 0)
{
gpuHandle.ptr = g_shaderHeap->GetGPUDescriptorHandleForHeapStart().ptr + (UINT64)(cpuHandle.ptr - g_shaderHeap->GetCPUDescriptorHandleForHeapStart().ptr);
}
g_shaderCPUHandles[g_shaderAvailableHandle] = cpuHandle;
g_shaderGPUHandles[g_shaderAvailableHandle] = gpuHandle;
g_shaderAvailableHandle++;
}
//------------------------------------------------------------------------------
static void createSamplerHeap(D3D12_CPU_DESCRIPTOR_HANDLE& cpuHandle, D3D12_GPU_DESCRIPTOR_HANDLE& gpuHandle)
{
g_samplerAvailableHandle--;
cpuHandle = g_samplerCPUHandles[g_samplerAvailableHandle];
gpuHandle = g_samplerGPUHandles[g_samplerAvailableHandle];
}
//------------------------------------------------------------------------------
static void destroySamplerHeap(D3D12_CPU_DESCRIPTOR_HANDLE& cpuHandle, D3D12_GPU_DESCRIPTOR_HANDLE& gpuHandle)
{
if (cpuHandle.ptr == 0 && gpuHandle.ptr == 0)
return;
if (cpuHandle.ptr == 0)
{
cpuHandle.ptr = g_samplerHeap->GetCPUDescriptorHandleForHeapStart().ptr + (SIZE_T)(gpuHandle.ptr - g_samplerHeap->GetGPUDescriptorHandleForHeapStart().ptr);
}
if (gpuHandle.ptr == 0)
{
gpuHandle.ptr = g_samplerHeap->GetGPUDescriptorHandleForHeapStart().ptr + (UINT64)(cpuHandle.ptr - g_samplerHeap->GetCPUDescriptorHandleForHeapStart().ptr);
}
g_samplerCPUHandles[g_samplerAvailableHandle] = cpuHandle;
g_samplerGPUHandles[g_samplerAvailableHandle] = gpuHandle;
g_samplerAvailableHandle++;
}
//==============================================================================
// Instance
//==============================================================================
uint64_t xxCreateInstanceD3D12()
{
if (g_d3dLibrary == nullptr)
g_d3dLibrary = xxLoadLibrary("d3d12.dll");
if (g_d3dLibrary == nullptr)
return 0;
if (g_dxgiLibrary == nullptr)
g_dxgiLibrary = xxLoadLibrary("dxgi.dll");
if (g_dxgiLibrary == nullptr)
return 0;
xxRegisterFunction(D3D12);
return reinterpret_cast<uint64_t>(g_d3dLibrary);
}
//------------------------------------------------------------------------------
void xxDestroyInstanceD3D12(uint64_t instance)
{
if (g_dxgiLibrary)
{
xxFreeLibrary(g_dxgiLibrary);
g_dxgiLibrary = nullptr;
}
if (g_d3dLibrary)
{
xxFreeLibrary(g_d3dLibrary);
g_d3dLibrary = nullptr;
}
xxUnregisterFunction();
}
//==============================================================================
// Device
//==============================================================================
uint64_t xxCreateDeviceD3D12(uint64_t instance)
{
PFN_D3D12_CREATE_DEVICE D3D12CreateDevice;
(void*&)D3D12CreateDevice = xxGetProcAddress(g_d3dLibrary, "D3D12CreateDevice");
if (D3D12CreateDevice == nullptr)
return 0;
PFN_D3D12_SERIALIZE_ROOT_SIGNATURE D3D12SerializeRootSignature;
(void*&)D3D12SerializeRootSignature = xxGetProcAddress(g_d3dLibrary, "D3D12SerializeRootSignature");
if (D3D12SerializeRootSignature == nullptr)
return 0;
#if defined(_DEBUG)
ID3D12Debug* debug = nullptr;
if (debug == nullptr)
{
PFN_D3D12_GET_DEBUG_INTERFACE D3D12GetDebugInterface;
(void*&)D3D12GetDebugInterface = xxGetProcAddress(g_d3dLibrary, "D3D12GetDebugInterface");
if (D3D12GetDebugInterface)
{
HRESULT hResult = D3D12GetDebugInterface(IID_PPV_ARGS(&debug));
if (hResult == S_OK)
{
debug->EnableDebugLayer();
debug->Release();
}
}
}
#endif
ID3D12Device* d3dDevice = nullptr;
HRESULT hResult = D3D12CreateDevice(nullptr, D3D_FEATURE_LEVEL_11_0, IID_PPV_ARGS(&d3dDevice));
if (hResult != S_OK)
return 0;
if (g_commandQueue == nullptr)
{
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
HRESULT hResult = d3dDevice->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&g_commandQueue));
if (hResult != S_OK)
return 0;
}
if (g_fence == nullptr)
{
HRESULT hResult = d3dDevice->CreateFence(g_fenceValue, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&g_fence));
if (hResult != S_OK)
return 0;
g_fenceValue++;
memset(g_fenceValues, 0, sizeof(g_fenceValues));
}
if (g_fenceEvent == nullptr)
{
g_fenceEvent = CreateEvent(nullptr, FALSE, TRUE, nullptr);
if (g_fenceEvent == nullptr)
return 0;
}
if (g_shaderHeap == nullptr)
{
D3D12_DESCRIPTOR_HEAP_DESC desc = {};
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
desc.NumDescriptors = 256;
desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
desc.NodeMask = 1;
HRESULT hResult = d3dDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&g_shaderHeap));
if (hResult != S_OK)
return 0;
D3D12_CPU_DESCRIPTOR_HANDLE cpuHandle = g_shaderHeap->GetCPUDescriptorHandleForHeapStart();
D3D12_GPU_DESCRIPTOR_HANDLE gpuHandle = g_shaderHeap->GetGPUDescriptorHandleForHeapStart();
g_shaderDescriptorSize = d3dDevice->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
g_shaderAvailableHandle = 256;
for (int i = 0; i < 256; ++i)
{
g_shaderCPUHandles[i] = cpuHandle;
g_shaderGPUHandles[i] = gpuHandle;
cpuHandle.ptr += g_shaderDescriptorSize;
gpuHandle.ptr += g_shaderDescriptorSize;
}
}
if (g_samplerHeap == nullptr)
{
D3D12_DESCRIPTOR_HEAP_DESC desc = {};
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER;
desc.NumDescriptors = 256;
desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
desc.NodeMask = 1;
HRESULT hResult = d3dDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&g_samplerHeap));
if (hResult != S_OK)
return 0;
D3D12_CPU_DESCRIPTOR_HANDLE cpuHandle = g_samplerHeap->GetCPUDescriptorHandleForHeapStart();
D3D12_GPU_DESCRIPTOR_HANDLE gpuHandle = g_samplerHeap->GetGPUDescriptorHandleForHeapStart();
g_samplerDescriptorSize = d3dDevice->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER);
g_samplerAvailableHandle = 256;
for (int i = 0; i < 256; ++i)
{
g_samplerCPUHandles[i] = cpuHandle;
g_samplerGPUHandles[i] = gpuHandle;
cpuHandle.ptr += g_samplerDescriptorSize;
gpuHandle.ptr += g_samplerDescriptorSize;
}
}
if (g_rootSignature == nullptr)
{
D3D12_DESCRIPTOR_RANGE constantRanges[16] = {};
D3D12_DESCRIPTOR_RANGE resourceRanges[16] = {};
D3D12_DESCRIPTOR_RANGE samplerRanges[16] = {};
for (int i = 0; i < 16; ++i)
{
constantRanges[i].RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_CBV;
constantRanges[i].BaseShaderRegister = i;
constantRanges[i].NumDescriptors = 1;
resourceRanges[i].RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_SRV;
resourceRanges[i].BaseShaderRegister = i;
resourceRanges[i].NumDescriptors = 1;
samplerRanges[i].RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_SAMPLER;
samplerRanges[i].BaseShaderRegister = i;
samplerRanges[i].NumDescriptors = 1;
}
D3D12_ROOT_PARAMETER parameters[xxGraphicDescriptor::TOTAL] = {};
for (int i = 0; i < xxGraphicDescriptor::VERTEX_UNIFORM_COUNT; ++i)
{
parameters[xxGraphicDescriptor::VERTEX_UNIFORM + i].ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameters[xxGraphicDescriptor::VERTEX_UNIFORM + i].DescriptorTable.NumDescriptorRanges = 1;
parameters[xxGraphicDescriptor::VERTEX_UNIFORM + i].DescriptorTable.pDescriptorRanges = &constantRanges[i];
parameters[xxGraphicDescriptor::VERTEX_UNIFORM + i].ShaderVisibility = D3D12_SHADER_VISIBILITY_VERTEX;
}
for (int i = 0; i < xxGraphicDescriptor::FRAGMENT_UNIFORM_COUNT; ++i)
{
parameters[xxGraphicDescriptor::FRAGMENT_UNIFORM + i].ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameters[xxGraphicDescriptor::FRAGMENT_UNIFORM + i].DescriptorTable.NumDescriptorRanges = 1;
parameters[xxGraphicDescriptor::FRAGMENT_UNIFORM + i].DescriptorTable.pDescriptorRanges = &constantRanges[i];
parameters[xxGraphicDescriptor::FRAGMENT_UNIFORM + i].ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
}
for (int i = 0; i < xxGraphicDescriptor::VERTEX_TEXTURE_COUNT; ++i)
{
parameters[xxGraphicDescriptor::VERTEX_TEXTURE + i].ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameters[xxGraphicDescriptor::VERTEX_TEXTURE + i].DescriptorTable.NumDescriptorRanges = 1;
parameters[xxGraphicDescriptor::VERTEX_TEXTURE + i].DescriptorTable.pDescriptorRanges = &resourceRanges[i];
parameters[xxGraphicDescriptor::VERTEX_TEXTURE + i].ShaderVisibility = D3D12_SHADER_VISIBILITY_VERTEX;
}
for (int i = 0; i < xxGraphicDescriptor::FRAGMENT_TEXTURE_COUNT; ++i)
{
parameters[xxGraphicDescriptor::FRAGMENT_TEXTURE + i].ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameters[xxGraphicDescriptor::FRAGMENT_TEXTURE + i].DescriptorTable.NumDescriptorRanges = 1;
parameters[xxGraphicDescriptor::FRAGMENT_TEXTURE + i].DescriptorTable.pDescriptorRanges = &resourceRanges[i];
parameters[xxGraphicDescriptor::FRAGMENT_TEXTURE + i].ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
}
for (int i = 0; i < xxGraphicDescriptor::VERTEX_SAMPLER_COUNT; ++i)
{
parameters[xxGraphicDescriptor::VERTEX_SAMPLER + i].ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameters[xxGraphicDescriptor::VERTEX_SAMPLER + i].DescriptorTable.NumDescriptorRanges = 1;
parameters[xxGraphicDescriptor::VERTEX_SAMPLER + i].DescriptorTable.pDescriptorRanges = &samplerRanges[i];
parameters[xxGraphicDescriptor::VERTEX_SAMPLER + i].ShaderVisibility = D3D12_SHADER_VISIBILITY_VERTEX;
}
for (int i = 0; i < xxGraphicDescriptor::FRAGMENT_SAMPLER_COUNT; ++i)
{
parameters[xxGraphicDescriptor::FRAGMENT_SAMPLER + i].ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameters[xxGraphicDescriptor::FRAGMENT_SAMPLER + i].DescriptorTable.NumDescriptorRanges = 1;
parameters[xxGraphicDescriptor::FRAGMENT_SAMPLER + i].DescriptorTable.pDescriptorRanges = &samplerRanges[i];
parameters[xxGraphicDescriptor::FRAGMENT_SAMPLER + i].ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
}
D3D12_ROOT_SIGNATURE_DESC desc = {};
desc.NumParameters = xxCountOf(parameters);
desc.pParameters = parameters;
desc.Flags = D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT |
D3D12_ROOT_SIGNATURE_FLAG_DENY_HULL_SHADER_ROOT_ACCESS |
D3D12_ROOT_SIGNATURE_FLAG_DENY_DOMAIN_SHADER_ROOT_ACCESS |
D3D12_ROOT_SIGNATURE_FLAG_DENY_GEOMETRY_SHADER_ROOT_ACCESS;
ID3DBlob* blob = nullptr;
HRESULT hResult = D3D12SerializeRootSignature(&desc, D3D_ROOT_SIGNATURE_VERSION_1, &blob, nullptr);
if (hResult != S_OK)
return 0;
if (blob)
{
HRESULT hResult = d3dDevice->CreateRootSignature(0, blob->GetBufferPointer(), blob->GetBufferSize(), IID_PPV_ARGS(&g_rootSignature));
if (hResult != S_OK)
{
blob->Release();
return 0;
}
blob->Release();
}
}
IUnknown* unknown = nullptr;
xxLocalBreak()
{
if (d3dDevice->QueryInterface(__uuidof(ID3D12Device13*), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "12.13", xxGetInstanceName());
break;
}
if (d3dDevice->QueryInterface(__uuidof(ID3D12Device12*), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "12.12", xxGetInstanceName());
break;
}
if (d3dDevice->QueryInterface(__uuidof(ID3D12Device11*), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "12.11", xxGetInstanceName());
break;
}
if (d3dDevice->QueryInterface(__uuidof(ID3D12Device10*), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "12.10", xxGetInstanceName());
break;
}
if (d3dDevice->QueryInterface(__uuidof(ID3D12Device9*), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "12.9", xxGetInstanceName());
break;
}
if (d3dDevice->QueryInterface(__uuidof(ID3D12Device8*), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "12.8", xxGetInstanceName());
break;
}
if (d3dDevice->QueryInterface(__uuidof(ID3D12Device7*), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "12.7", xxGetInstanceName());
break;
}
if (d3dDevice->QueryInterface(__uuidof(ID3D12Device6*), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "12.6", xxGetInstanceName());
break;
}
if (d3dDevice->QueryInterface(__uuidof(ID3D12Device5*), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "12.5", xxGetInstanceName());
break;
}
if (d3dDevice->QueryInterface(__uuidof(ID3D12Device4*), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "12.4", xxGetInstanceName());
break;
}
if (d3dDevice->QueryInterface(__uuidof(ID3D12Device3*), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "12.3", xxGetInstanceName());
break;
}
if (d3dDevice->QueryInterface(__uuidof(ID3D12Device2*), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "12.2", xxGetInstanceName());
break;
}
if (d3dDevice->QueryInterface(__uuidof(ID3D12Device1*), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "12.1", xxGetInstanceName());
break;
}
if (d3dDevice->QueryInterface(__uuidof(ID3D12Device*), (void**)&unknown) == S_OK)
{
xxLog("xxGraphic", "%s %s (%s)", "Direct3D", "12.0", xxGetInstanceName());
break;
}
}
SafeRelease(unknown);
signalFence(true);
return reinterpret_cast<uint64_t>(d3dDevice);
}
//------------------------------------------------------------------------------
void xxDestroyDeviceD3D12(uint64_t device)
{
ID3D12Device* d3dDevice = reinterpret_cast<ID3D12Device*>(device);
if (g_fence)
{
for (int i = 0; i < NUM_BACK_BUFFERS; ++i)
signalFence(true);
g_fence->Release();
g_fence = nullptr;
}
if (g_fenceEvent)
{
CloseHandle(g_fenceEvent);
g_fenceEvent = nullptr;
}
SafeRelease(g_shaderHeap);
SafeRelease(g_samplerHeap);
SafeRelease(g_rootSignature);
SafeRelease(g_commandQueue);
SafeRelease(g_dxgiFactory);
SafeRelease(d3dDevice);
}
//------------------------------------------------------------------------------
bool xxResetDeviceD3D12(uint64_t device)
{
return true;
}
//------------------------------------------------------------------------------
bool xxTestDeviceD3D12(uint64_t device)
{
return true;
}
//==============================================================================
// Swapchain
//==============================================================================
uint64_t xxCreateSwapchainD3D12(uint64_t device, uint64_t renderPass, void* view, int width, int height, uint64_t oldSwapchain)
{
ID3D12Device* d3dDevice = reinterpret_cast<ID3D12Device*>(device);
if (d3dDevice == nullptr)
return 0;
D3D12SWAPCHAIN* d3dOldSwapchain = reinterpret_cast<D3D12SWAPCHAIN*>(oldSwapchain);
if (d3dOldSwapchain && d3dOldSwapchain->hWnd == view && d3dOldSwapchain->width == width && d3dOldSwapchain->height == height)
return oldSwapchain;
D3D12SWAPCHAIN* d3dSwapchain = xxAlloc(D3D12SWAPCHAIN);
if (d3dSwapchain == nullptr)
return 0;
xxDestroySwapchainD3D12(oldSwapchain);
if (g_dxgiFactory == nullptr)
{
PFN_CREATE_DXGI_FACTORY1 CreateDXGIFactory1;
(void*&)CreateDXGIFactory1 = xxGetProcAddress(g_dxgiLibrary, "CreateDXGIFactory1");
if (CreateDXGIFactory1 == nullptr)
{
xxFree(d3dSwapchain);
return 0;
}
HRESULT hResult = CreateDXGIFactory1(IID_PPV_ARGS(&g_dxgiFactory));
if (hResult != S_OK)
{
xxFree(d3dSwapchain);
return 0;
}
}
HWND hWnd = (HWND)view;
DXGI_SWAP_CHAIN_DESC1 desc = {};
desc.Width = width;
desc.Height = height;
desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
desc.SampleDesc.Count = 1;
desc.BufferUsage = DXGI_USAGE_SHADER_INPUT | DXGI_USAGE_RENDER_TARGET_OUTPUT;
desc.BufferCount = NUM_BACK_BUFFERS;
desc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
IDXGISwapChain1* dxgiSwapchain1 = nullptr;
if (dxgiSwapchain1 == nullptr)
{
HRESULT hResult = g_dxgiFactory->CreateSwapChainForHwnd(g_commandQueue, hWnd, &desc, nullptr, nullptr, &dxgiSwapchain1);
if (hResult != S_OK)
{
xxFree(d3dSwapchain);
return 0;
}
}
IDXGISwapChain3* dxgiSwapchain3 = nullptr;
if (dxgiSwapchain3 == nullptr)
{
HRESULT hResult = dxgiSwapchain1->QueryInterface(IID_PPV_ARGS(&dxgiSwapchain3));
if (hResult != S_OK)
{
dxgiSwapchain1->Release();
xxFree(d3dSwapchain);
return 0;
}
dxgiSwapchain1->Release();
dxgiSwapchain1 = nullptr;
}
d3dSwapchain->dxgiSwapchain = dxgiSwapchain3;
ID3D12DescriptorHeap* renderTargetHeap = nullptr;
if (renderTargetHeap == nullptr)
{
D3D12_DESCRIPTOR_HEAP_DESC desc = {};
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
desc.NumDescriptors = NUM_BACK_BUFFERS;
desc.NodeMask = 1;
HRESULT hResult = d3dDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&renderTargetHeap));
if (hResult != S_OK)
{
xxFree(d3dSwapchain);
return 0;
}
}
d3dSwapchain->renderTargetHeap = renderTargetHeap;
D3D12_CPU_DESCRIPTOR_HANDLE renderTargetHandle = renderTargetHeap->GetCPUDescriptorHandleForHeapStart();
for (int i = 0; i < NUM_BACK_BUFFERS; ++i)
{
d3dSwapchain->renderTargetHandles[i] = renderTargetHandle;
renderTargetHandle.ptr += d3dDevice->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
ID3D12Resource* backBuffer = nullptr;
if (backBuffer == nullptr)
{
HRESULT hResult = dxgiSwapchain3->GetBuffer(i, IID_PPV_ARGS(&backBuffer));
if (hResult != S_OK)
{
}
}
d3dDevice->CreateRenderTargetView(backBuffer, nullptr, d3dSwapchain->renderTargetHandles[i]);
d3dSwapchain->renderTargetResources[i] = backBuffer;
ID3D12CommandAllocator* commandAllocator = nullptr;
if (commandAllocator == nullptr)
{
HRESULT hResult = d3dDevice->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&commandAllocator));
if (hResult != S_OK)
{
}
}
d3dSwapchain->commandAllocators[i] = commandAllocator;
}
int bufferIndex = dxgiSwapchain3->GetCurrentBackBufferIndex();
ID3D12GraphicsCommandList* commandList = nullptr;
HRESULT hResult = d3dDevice->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, d3dSwapchain->commandAllocators[bufferIndex], nullptr, IID_PPV_ARGS(&commandList));
if (hResult == S_OK)
{
HRESULT hResult = commandList->Close();
if (hResult != S_OK)
{
}
}
d3dSwapchain->commandList = commandList;
d3dSwapchain->hWnd = hWnd;
d3dSwapchain->width = width;
d3dSwapchain->height = height;
return reinterpret_cast<uint64_t>(d3dSwapchain);
}
//------------------------------------------------------------------------------
void xxDestroySwapchainD3D12(uint64_t swapchain)
{
D3D12SWAPCHAIN* d3dSwapchain = reinterpret_cast<D3D12SWAPCHAIN*>(swapchain);
if (d3dSwapchain == nullptr)
return;
for (int i = 0; i < NUM_BACK_BUFFERS; ++i)
signalFence(true);
SafeRelease(d3dSwapchain->dxgiSwapchain);
SafeRelease(d3dSwapchain->commandList);
for (int i = 0; i < NUM_BACK_BUFFERS; ++i)
{
SafeRelease(d3dSwapchain->renderTargetResources[i]);
SafeRelease(d3dSwapchain->commandAllocators[i]);
}
SafeRelease(d3dSwapchain->renderTargetHeap);
xxFree(d3dSwapchain);
}
//------------------------------------------------------------------------------
void xxPresentSwapchainD3D12(uint64_t swapchain)
{
D3D12SWAPCHAIN* d3dSwapchain = reinterpret_cast<D3D12SWAPCHAIN*>(swapchain);
if (d3dSwapchain == nullptr)
return;
int bufferIndex = d3dSwapchain->dxgiSwapchain->GetCurrentBackBufferIndex();
g_fenceValues[bufferIndex] = g_fenceValue;
signalFence(false);
d3dSwapchain->dxgiSwapchain->Present(0, 0);
}
//------------------------------------------------------------------------------
uint64_t xxGetCommandBufferD3D12(uint64_t device, uint64_t swapchain)
{
D3D12SWAPCHAIN* d3dSwapchain = reinterpret_cast<D3D12SWAPCHAIN*>(swapchain);
if (d3dSwapchain == nullptr)
return 0;
int bufferIndex = d3dSwapchain->dxgiSwapchain->GetCurrentBackBufferIndex();
if (g_fence->GetCompletedValue() < g_fenceValues[bufferIndex])
{
g_fence->SetEventOnCompletion(g_fenceValues[bufferIndex], g_fenceEvent);
WaitForSingleObjectEx(g_fenceEvent, 1000, FALSE);
}
ID3D12CommandAllocator* commandAllocator = d3dSwapchain->commandAllocators[bufferIndex];
ID3D12GraphicsCommandList* commandList = d3dSwapchain->commandList;
commandAllocator->Reset();
commandList->Reset(commandAllocator, nullptr);
ID3D12DescriptorHeap* heaps[] = { g_shaderHeap, g_samplerHeap };
commandList->SetDescriptorHeaps(xxCountOf(heaps), heaps);
return reinterpret_cast<uint64_t>(commandList);
}
//------------------------------------------------------------------------------
uint64_t xxGetFramebufferD3D12(uint64_t device, uint64_t swapchain, float* scale)
{
if (scale)
{
(*scale) = 1.0f;
}
D3D12SWAPCHAIN* d3dSwapchain = reinterpret_cast<D3D12SWAPCHAIN*>(swapchain);
if (d3dSwapchain == nullptr)
return 0;
int bufferIndex = d3dSwapchain->dxgiSwapchain->GetCurrentBackBufferIndex();
d3dSwapchain->renderTargetResource = d3dSwapchain->renderTargetResources[bufferIndex];
d3dSwapchain->renderTargetHandle = d3dSwapchain->renderTargetHandles[bufferIndex];
return swapchain;
}
//==============================================================================
// Command Buffer
//==============================================================================
bool xxBeginCommandBufferD3D12(uint64_t commandBuffer)
{
ID3D12GraphicsCommandList* d3dCommandList = reinterpret_cast<ID3D12GraphicsCommandList*>(commandBuffer);
if (d3dCommandList == nullptr)
return false;
return true;
}
//------------------------------------------------------------------------------
void xxEndCommandBufferD3D12(uint64_t commandBuffer)
{
ID3D12GraphicsCommandList* d3dCommandList = reinterpret_cast<ID3D12GraphicsCommandList*>(commandBuffer);
if (d3dCommandList == nullptr)
return;
d3dCommandList->Close();
}
//------------------------------------------------------------------------------
void xxSubmitCommandBufferD3D12(uint64_t commandBuffer, uint64_t swapchain)
{
ID3D12CommandList* d3dCommandList = reinterpret_cast<ID3D12CommandList*>(commandBuffer);
if (d3dCommandList == nullptr)
return;
g_commandQueue->ExecuteCommandLists(1, &d3dCommandList);
}
//==============================================================================
// Render Pass
//==============================================================================
uint64_t xxCreateRenderPassD3D12(uint64_t device, bool clearColor, bool clearDepth, bool clearStencil, bool storeColor, bool storeDepth, bool storeStencil)
{
D3D12RENDERPASS d3dRenderPass = {};
if (clearColor)
d3dRenderPass.clearColor = true;
if (clearDepth || clearStencil)
d3dRenderPass.clearDepthStencil = true;
return static_cast<uint64_t>(d3dRenderPass.value);
}
//------------------------------------------------------------------------------
void xxDestroyRenderPassD3D12(uint64_t renderPass)
{
}
//------------------------------------------------------------------------------
uint64_t xxBeginRenderPassD3D12(uint64_t commandBuffer, uint64_t framebuffer, uint64_t renderPass, int width, int height, float color[4], float depth, unsigned char stencil)
{
ID3D12GraphicsCommandList* d3dCommandList = reinterpret_cast<ID3D12GraphicsCommandList*>(commandBuffer);
if (d3dCommandList == nullptr)
return 0;
D3D12FRAMEBUFFER* d3dFramebuffer = reinterpret_cast<D3D12FRAMEBUFFER*>(framebuffer);
if (d3dFramebuffer == nullptr)
return 0;
D3D12RENDERPASS d3dRenderPass = { renderPass };
d3dCommandList->OMSetRenderTargets(1, &d3dFramebuffer->renderTargetHandle, FALSE, nullptr);
D3D12_RESOURCE_BARRIER barrier = {};
barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
barrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
barrier.Transition.pResource = d3dFramebuffer->renderTargetResource;
barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_PRESENT;
barrier.Transition.StateAfter = D3D12_RESOURCE_STATE_RENDER_TARGET;
d3dCommandList->ResourceBarrier(1, &barrier);
if (d3dRenderPass.clearColor)
{
d3dCommandList->ClearRenderTargetView(d3dFramebuffer->renderTargetHandle, color, 0, nullptr);
}
return commandBuffer;
}
//------------------------------------------------------------------------------
void xxEndRenderPassD3D12(uint64_t commandEncoder, uint64_t framebuffer, uint64_t renderPass)
{
ID3D12GraphicsCommandList* d3dCommandList = reinterpret_cast<ID3D12GraphicsCommandList*>(commandEncoder);
if (d3dCommandList == nullptr)
return;
D3D12FRAMEBUFFER* d3dFramebuffer = reinterpret_cast<D3D12FRAMEBUFFER*>(framebuffer);
if (d3dFramebuffer == nullptr)
return;
D3D12_RESOURCE_BARRIER barrier = {};
barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
barrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
barrier.Transition.pResource = d3dFramebuffer->renderTargetResource;
barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_RENDER_TARGET;
barrier.Transition.StateAfter = D3D12_RESOURCE_STATE_PRESENT;
d3dCommandList->ResourceBarrier(1, &barrier);
}
//==============================================================================
// Vertex Attribute
//==============================================================================
uint64_t xxCreateVertexAttributeD3D12(uint64_t device, int count, int* attribute)
{
D3D12VERTEXATTRIBUTE* d3dVertexAttribute = xxAlloc(D3D12VERTEXATTRIBUTE);
if (d3dVertexAttribute == nullptr)
return 0;
D3D12_INPUT_ELEMENT_DESC* inputElements = d3dVertexAttribute->inputElements;
int normalIndex = 0;
int textureIndex = 0;
int stride = 0;
for (int i = 0; i < count; ++i)
{
int stream = (*attribute++);
int offset = (*attribute++);
int element = (*attribute++);
int size = (*attribute++);
stride += size;
D3D12_INPUT_ELEMENT_DESC& inputElement = inputElements[i];
inputElement.SemanticName;
inputElement.SemanticIndex = 0;
inputElement.Format;
inputElement.InputSlot = stream;
inputElement.AlignedByteOffset = offset;
inputElement.InputSlotClass = D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA;
inputElement.InstanceDataStepRate = 0;
if (element == 'POS3' && size == sizeof(float) * 3)
{
inputElement.Format = DXGI_FORMAT_R32G32B32_FLOAT;
inputElement.SemanticName = "POSITION";
continue;
}
if (element == 'BON3' && size == sizeof(float) * 3)
{
inputElement.Format = DXGI_FORMAT_R32G32B32_FLOAT;
inputElement.SemanticName = "BLENDWEIGHT";
continue;
}
if (element == 'BON4' && size == sizeof(char) * 4)
{
inputElement.Format = DXGI_FORMAT_R8G8B8A8_UINT;
inputElement.SemanticName = "BLENDINDICES";
continue;
}
if (element == 'NOR3' && size == sizeof(float) * 3)
{
inputElement.Format = DXGI_FORMAT_R32G32B32_FLOAT;
switch (normalIndex)
{
case 0: inputElement.SemanticName = "NORMAL"; break;
case 1: inputElement.SemanticName = "TANGENT"; break;
case 2: inputElement.SemanticName = "BINORMAL"; break;
}
normalIndex++;
continue;
}
if (element == 'COL4' && size == sizeof(char) * 4)
{
inputElement.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
inputElement.SemanticName = "COLOR";
continue;
}
if (element == 'TEX2' && size == sizeof(float) * 2)
{
inputElement.Format = DXGI_FORMAT_R32G32_FLOAT;
inputElement.SemanticName = "TEXCOORD";
inputElement.SemanticIndex = textureIndex;
textureIndex++;
continue;
}
}
d3dVertexAttribute->inputElementCount = count;
d3dVertexAttribute->stride = stride;
return reinterpret_cast<uint64_t>(d3dVertexAttribute);
}
//------------------------------------------------------------------------------
void xxDestroyVertexAttributeD3D12(uint64_t vertexAttribute)
{
D3D12VERTEXATTRIBUTE* d3dVertexAttribute = reinterpret_cast<D3D12VERTEXATTRIBUTE*>(vertexAttribute);
xxFree(d3dVertexAttribute);
}
//==============================================================================
// Buffer
//==============================================================================
uint64_t xxCreateConstantBufferD3D12(uint64_t device, int size)
{
ID3D12Device* d3dDevice = reinterpret_cast<ID3D12Device*>(device);
if (d3dDevice == nullptr)
return 0;
D3D12RESOURCE* d3dResource = xxAlloc(D3D12RESOURCE);
if (d3dResource == nullptr)
return 0;
D3D12_HEAP_PROPERTIES properties = {};
properties.Type = D3D12_HEAP_TYPE_UPLOAD;
properties.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
properties.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
D3D12_RESOURCE_DESC desc = {};
desc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
desc.Width = (size + 255) & ~255;
desc.Height = 1;
desc.DepthOrArraySize = 1;
desc.MipLevels = 1;
desc.SampleDesc.Count = 1;
desc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
ID3D12Resource* resource = nullptr;
HRESULT hResult = d3dDevice->CreateCommittedResource(&properties, D3D12_HEAP_FLAG_NONE, &desc, D3D12_RESOURCE_STATE_GENERIC_READ, nullptr, IID_PPV_ARGS(&resource));
if (hResult != S_OK)
return 0;
d3dResource->resource = resource;
d3dResource->resourceCPUHandle = {};
d3dResource->resourceGPUHandle = {};
d3dResource->size = size;
d3dResource->cpuAddress = nullptr;
d3dResource->gpuAddress = resource->GetGPUVirtualAddress();
createShaderHeap(d3dResource->resourceCPUHandle, d3dResource->resourceGPUHandle);
D3D12_CONSTANT_BUFFER_VIEW_DESC viewDesc = {};
viewDesc.BufferLocation = d3dResource->gpuAddress;
viewDesc.SizeInBytes = (size + 255) & ~255;
d3dDevice->CreateConstantBufferView(&viewDesc, d3dResource->resourceCPUHandle);
return reinterpret_cast<uint64_t>(d3dResource);
}
//------------------------------------------------------------------------------
uint64_t xxCreateIndexBufferD3D12(uint64_t device, int size)
{
ID3D12Device* d3dDevice = reinterpret_cast<ID3D12Device*>(device);
if (d3dDevice == nullptr)
return 0;
D3D12RESOURCE* d3dResource = xxAlloc(D3D12RESOURCE);
if (d3dResource == nullptr)
return 0;
D3D12_HEAP_PROPERTIES properties = {};
properties.Type = D3D12_HEAP_TYPE_UPLOAD;
properties.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
properties.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
D3D12_RESOURCE_DESC desc = {};
desc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
desc.Width = size;
desc.Height = 1;
desc.DepthOrArraySize = 1;
desc.MipLevels = 1;
desc.SampleDesc.Count = 1;
desc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
ID3D12Resource* resource = nullptr;
HRESULT hResult = d3dDevice->CreateCommittedResource(&properties, D3D12_HEAP_FLAG_NONE, &desc, D3D12_RESOURCE_STATE_GENERIC_READ, nullptr, IID_PPV_ARGS(&resource));
if (hResult != S_OK)
return 0;
d3dResource->resource = resource;
d3dResource->resourceCPUHandle = {};
d3dResource->resourceGPUHandle = {};
d3dResource->size = size;
d3dResource->cpuAddress = nullptr;
d3dResource->gpuAddress = resource->GetGPUVirtualAddress();
return reinterpret_cast<uint64_t>(d3dResource);
}
//------------------------------------------------------------------------------
uint64_t xxCreateVertexBufferD3D12(uint64_t device, int size, uint64_t vertexAttribute)
{
ID3D12Device* d3dDevice = reinterpret_cast<ID3D12Device*>(device);
if (d3dDevice == nullptr)
return 0;
D3D12RESOURCE* d3dResource = xxAlloc(D3D12RESOURCE);
if (d3dResource == nullptr)
return 0;
D3D12_HEAP_PROPERTIES properties = {};
properties.Type = D3D12_HEAP_TYPE_UPLOAD;
properties.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
properties.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
D3D12_RESOURCE_DESC desc = {};
desc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
desc.Width = size;
desc.Height = 1;
desc.DepthOrArraySize = 1;
desc.MipLevels = 1;
desc.SampleDesc.Count = 1;
desc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
ID3D12Resource* resource = nullptr;
HRESULT hResult = d3dDevice->CreateCommittedResource(&properties, D3D12_HEAP_FLAG_NONE, &desc, D3D12_RESOURCE_STATE_GENERIC_READ, nullptr, IID_PPV_ARGS(&resource));
if (hResult != S_OK)
return 0;
d3dResource->resource = resource;
d3dResource->resourceCPUHandle = {};
d3dResource->resourceGPUHandle = {};
d3dResource->size = size;
d3dResource->cpuAddress = nullptr;
d3dResource->gpuAddress = resource->GetGPUVirtualAddress();
return reinterpret_cast<uint64_t>(d3dResource);
}
//------------------------------------------------------------------------------
void xxDestroyBufferD3D12(uint64_t device, uint64_t buffer)
{
D3D12RESOURCE* d3dResource = reinterpret_cast<D3D12RESOURCE*>(buffer);
if (d3dResource == nullptr)
return;
for (int i = 0; i < NUM_BACK_BUFFERS; ++i)
signalFence(true);
if (d3dResource->resource)
{
if (d3dResource->cpuAddress)
{
D3D12_RANGE range = { 0, d3dResource->size };
d3dResource->resource->Unmap(0, &range);
}
d3dResource->resource->Release();
}
destroyShaderHeap(d3dResource->resourceCPUHandle, d3dResource->resourceGPUHandle);
xxFree(d3dResource);
}