/**************************************************************************/
/* rendering_context_driver_d3d12.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "rendering_context_driver_d3d12.h"
#include "core/config/engine.h"
#include "core/config/project_settings.h"
#include "core/string/ustring.h"
#include "core/templates/local_vector.h"
#include "core/version.h"
#include "servers/rendering/rendering_device.h"
#if defined(__GNUC__) && !defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#pragma GCC diagnostic ignored "-Wshadow"
#pragma GCC diagnostic ignored "-Wswitch"
#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
#elif defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
#pragma clang diagnostic ignored "-Wstring-plus-int"
#pragma clang diagnostic ignored "-Wswitch"
#pragma clang diagnostic ignored "-Wmissing-field-initializers"
#endif
#include "dxcapi.h"
#if defined(__GNUC__) && !defined(__clang__)
#pragma GCC diagnostic pop
#elif defined(__clang__)
#pragma clang diagnostic pop
#endif
#if !defined(_MSC_VER)
#include <guiddef.h>
#include <dxguids.h>
#endif
// Note: symbols are not available in MinGW and old MSVC import libraries.
// GUID values from https://github.com/microsoft/DirectX-Headers/blob/7a9f4d06911d30eecb56a4956dab29dcca2709ed/include/directx/d3d12.idl#L5877-L5881
const GUID CLSID_D3D12DeviceFactoryGodot = { 0x114863bf, 0xc386, 0x4aee, { 0xb3, 0x9d, 0x8f, 0x0b, 0xbb, 0x06, 0x29, 0x55 } };
const GUID CLSID_D3D12DebugGodot = { 0xf2352aeb, 0xdd84, 0x49fe, { 0xb9, 0x7b, 0xa9, 0xdc, 0xfd, 0xcc, 0x1b, 0x4f } };
const GUID CLSID_D3D12SDKConfigurationGodot = { 0x7cda6aca, 0xa03e, 0x49c8, { 0x94, 0x58, 0x03, 0x34, 0xd2, 0x0e, 0x07, 0xce } };
#ifdef PIX_ENABLED
#if defined(__GNUC__)
#define _MSC_VER 1800
#endif
#define USE_PIX
#include "WinPixEventRuntime/pix3.h"
#if defined(__GNUC__)
#undef _MSC_VER
#endif
#endif
RenderingContextDriverD3D12::RenderingContextDriverD3D12() {}
RenderingContextDriverD3D12::~RenderingContextDriverD3D12() {
// Let's release manually everything that may still be holding
// onto the DLLs before freeing them.
device_factory.Reset();
dxgi_factory.Reset();
if (lib_d3d12) {
FreeLibrary(lib_d3d12);
}
if (lib_dxgi) {
FreeLibrary(lib_dxgi);
}
}
Error RenderingContextDriverD3D12::_init_device_factory() {
uint32_t agility_sdk_version = GLOBAL_GET("rendering/rendering_device/d3d12/agility_sdk_version");
String agility_sdk_path = String(".\\") + Engine::get_singleton()->get_architecture_name();
lib_d3d12 = LoadLibraryW(L"D3D12.dll");
ERR_FAIL_NULL_V(lib_d3d12, ERR_CANT_CREATE);
lib_dxgi = LoadLibraryW(L"DXGI.dll");
ERR_FAIL_NULL_V(lib_dxgi, ERR_CANT_CREATE);
// Note: symbol is not available in MinGW import library.
PFN_D3D12_GET_INTERFACE d3d_D3D12GetInterface = (PFN_D3D12_GET_INTERFACE)(void *)GetProcAddress(lib_d3d12, "D3D12GetInterface");
if (!d3d_D3D12GetInterface) {
return OK; // Fallback to the system loader.
}
ID3D12SDKConfiguration *sdk_config = nullptr;
if (SUCCEEDED(d3d_D3D12GetInterface(CLSID_D3D12SDKConfigurationGodot, IID_PPV_ARGS(&sdk_config)))) {
ID3D12SDKConfiguration1 *sdk_config1 = nullptr;
if (SUCCEEDED(sdk_config->QueryInterface(&sdk_config1))) {
if (SUCCEEDED(sdk_config1->CreateDeviceFactory(agility_sdk_version, agility_sdk_path.ascii().get_data(), IID_PPV_ARGS(device_factory.GetAddressOf())))) {
d3d_D3D12GetInterface(CLSID_D3D12DeviceFactoryGodot, IID_PPV_ARGS(device_factory.GetAddressOf()));
} else if (SUCCEEDED(sdk_config1->CreateDeviceFactory(agility_sdk_version, ".\\", IID_PPV_ARGS(device_factory.GetAddressOf())))) {
d3d_D3D12GetInterface(CLSID_D3D12DeviceFactoryGodot, IID_PPV_ARGS(device_factory.GetAddressOf()));
}
sdk_config1->Release();
}
sdk_config->Release();
}
return OK;
}
Error RenderingContextDriverD3D12::_initialize_debug_layers() {
ComPtr<ID3D12Debug> debug_controller;
HRESULT res;
if (device_factory) {
res = device_factory->GetConfigurationInterface(CLSID_D3D12DebugGodot, IID_PPV_ARGS(&debug_controller));
} else {
PFN_D3D12_GET_DEBUG_INTERFACE d3d_D3D12GetDebugInterface = (PFN_D3D12_GET_DEBUG_INTERFACE)(void *)GetProcAddress(lib_d3d12, "D3D12GetDebugInterface");
ERR_FAIL_NULL_V(d3d_D3D12GetDebugInterface, ERR_CANT_CREATE);
res = d3d_D3D12GetDebugInterface(IID_PPV_ARGS(&debug_controller));
}
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_QUERY_FAILED);
debug_controller->EnableDebugLayer();
return OK;
}
Error RenderingContextDriverD3D12::_initialize_devices() {
const UINT dxgi_factory_flags = use_validation_layers() ? DXGI_CREATE_FACTORY_DEBUG : 0;
typedef HRESULT(WINAPI * PFN_DXGI_CREATE_DXGI_FACTORY2)(UINT, REFIID, void **);
PFN_DXGI_CREATE_DXGI_FACTORY2 dxgi_CreateDXGIFactory2 = (PFN_DXGI_CREATE_DXGI_FACTORY2)(void *)GetProcAddress(lib_dxgi, "CreateDXGIFactory2");
ERR_FAIL_NULL_V(dxgi_CreateDXGIFactory2, ERR_CANT_CREATE);
HRESULT res = dxgi_CreateDXGIFactory2(dxgi_factory_flags, IID_PPV_ARGS(&dxgi_factory));
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_CANT_CREATE);
// Enumerate all possible adapters.
LocalVector<IDXGIAdapter1 *> adapters;
IDXGIAdapter1 *adapter = nullptr;
do {
adapter = create_adapter(adapters.size());
if (adapter != nullptr) {
adapters.push_back(adapter);
}
} while (adapter != nullptr);
ERR_FAIL_COND_V_MSG(adapters.is_empty(), ERR_CANT_CREATE, "Adapters enumeration reported zero accessible devices.");
// Fill the device descriptions with the adapters.
driver_devices.resize(adapters.size());
for (uint32_t i = 0; i < adapters.size(); ++i) {
DXGI_ADAPTER_DESC1 desc = {};
adapters[i]->GetDesc1(&desc);
Device &device = driver_devices[i];
device.name = desc.Description;
device.vendor = Vendor(desc.VendorId);
device.workarounds = Workarounds();
if (desc.Flags & DXGI_ADAPTER_FLAG_SOFTWARE) {
device.type = DEVICE_TYPE_CPU;
} else {
const bool has_dedicated_vram = desc.DedicatedVideoMemory > 0;
device.type = has_dedicated_vram ? DEVICE_TYPE_DISCRETE_GPU : DEVICE_TYPE_INTEGRATED_GPU;
}
}
// Release all created adapters.
for (uint32_t i = 0; i < adapters.size(); ++i) {
adapters[i]->Release();
}
ComPtr<IDXGIFactory5> factory_5;
dxgi_factory.As(&factory_5);
if (factory_5 != nullptr) {
// The type is important as in general, sizeof(bool) != sizeof(BOOL).
BOOL feature_supported = FALSE;
res = factory_5->CheckFeatureSupport(DXGI_FEATURE_PRESENT_ALLOW_TEARING, &feature_supported, sizeof(feature_supported));
if (SUCCEEDED(res)) {
tearing_supported = feature_supported;
} else {
ERR_PRINT("CheckFeatureSupport failed with error " + vformat("0x%08ux", (uint64_t)res) + ".");
}
}
return OK;
}
bool RenderingContextDriverD3D12::use_validation_layers() const {
return Engine::get_singleton()->is_validation_layers_enabled();
}
Error RenderingContextDriverD3D12::initialize() {
Error err = _init_device_factory();
ERR_FAIL_COND_V(err != OK, ERR_CANT_CREATE);
if (use_validation_layers()) {
err = _initialize_debug_layers();
ERR_FAIL_COND_V(err != OK, ERR_CANT_CREATE);
}
err = _initialize_devices();
ERR_FAIL_COND_V(err != OK, ERR_CANT_CREATE);
return OK;
}
const RenderingContextDriver::Device &RenderingContextDriverD3D12::device_get(uint32_t p_device_index) const {
DEV_ASSERT(p_device_index < driver_devices.size());
return driver_devices[p_device_index];
}
uint32_t RenderingContextDriverD3D12::device_get_count() const {
return driver_devices.size();
}
bool RenderingContextDriverD3D12::device_supports_present(uint32_t p_device_index, SurfaceID p_surface) const {
// All devices should support presenting to any surface.
return true;
}
RenderingDeviceDriver *RenderingContextDriverD3D12::driver_create() {
return memnew(RenderingDeviceDriverD3D12(this));
}
void RenderingContextDriverD3D12::driver_free(RenderingDeviceDriver *p_driver) {
memdelete(p_driver);
}
RenderingContextDriver::SurfaceID RenderingContextDriverD3D12::surface_create(const void *p_platform_data) {
const WindowPlatformData *wpd = (const WindowPlatformData *)(p_platform_data);
Surface *surface = memnew(Surface);
surface->hwnd = wpd->window;
return SurfaceID(surface);
}
void RenderingContextDriverD3D12::surface_set_size(SurfaceID p_surface, uint32_t p_width, uint32_t p_height) {
Surface *surface = (Surface *)(p_surface);
surface->width = p_width;
surface->height = p_height;
surface->needs_resize = true;
}
void RenderingContextDriverD3D12::surface_set_vsync_mode(SurfaceID p_surface, DisplayServer::VSyncMode p_vsync_mode) {
Surface *surface = (Surface *)(p_surface);
surface->vsync_mode = p_vsync_mode;
surface->needs_resize = true;
}
DisplayServer::VSyncMode RenderingContextDriverD3D12::surface_get_vsync_mode(SurfaceID p_surface) const {
Surface *surface = (Surface *)(p_surface);
return surface->vsync_mode;
}
uint32_t RenderingContextDriverD3D12::surface_get_width(SurfaceID p_surface) const {
Surface *surface = (Surface *)(p_surface);
return surface->width;
}
uint32_t RenderingContextDriverD3D12::surface_get_height(SurfaceID p_surface) const {
Surface *surface = (Surface *)(p_surface);
return surface->height;
}
void RenderingContextDriverD3D12::surface_set_needs_resize(SurfaceID p_surface, bool p_needs_resize) {
Surface *surface = (Surface *)(p_surface);
surface->needs_resize = p_needs_resize;
}
bool RenderingContextDriverD3D12::surface_get_needs_resize(SurfaceID p_surface) const {
Surface *surface = (Surface *)(p_surface);
return surface->needs_resize;
}
void RenderingContextDriverD3D12::surface_destroy(SurfaceID p_surface) {
Surface *surface = (Surface *)(p_surface);
memdelete(surface);
}
bool RenderingContextDriverD3D12::is_debug_utils_enabled() const {
#ifdef PIX_ENABLED
return true;
#else
return false;
#endif
}
IDXGIAdapter1 *RenderingContextDriverD3D12::create_adapter(uint32_t p_adapter_index) const {
ComPtr<IDXGIFactory6> factory_6;
dxgi_factory.As(&factory_6);
// TODO: Use IDXCoreAdapterList, which gives more comprehensive information.
IDXGIAdapter1 *adapter = nullptr;
if (factory_6) {
if (factory_6->EnumAdapterByGpuPreference(p_adapter_index, DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE, IID_PPV_ARGS(&adapter)) == DXGI_ERROR_NOT_FOUND) {
return nullptr;
}
} else {
if (dxgi_factory->EnumAdapters1(p_adapter_index, &adapter) == DXGI_ERROR_NOT_FOUND) {
return nullptr;
}
}
return adapter;
}
ID3D12DeviceFactory *RenderingContextDriverD3D12::device_factory_get() const {
return device_factory.Get();
}
IDXGIFactory2 *RenderingContextDriverD3D12::dxgi_factory_get() const {
return dxgi_factory.Get();
}
bool RenderingContextDriverD3D12::get_tearing_supported() const {
return tearing_supported;
}
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