314 lines
11 KiB
C++
314 lines
11 KiB
C++
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/**************************************************************************/
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/* rendering_context_driver_d3d12.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "rendering_context_driver_d3d12.h"
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#include "core/config/engine.h"
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#include "core/config/project_settings.h"
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#include "core/string/ustring.h"
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#include "core/templates/local_vector.h"
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#include "core/version.h"
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#include "servers/rendering/rendering_device.h"
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#if defined(__GNUC__) && !defined(__clang__)
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
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#pragma GCC diagnostic ignored "-Wshadow"
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#pragma GCC diagnostic ignored "-Wswitch"
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#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
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#endif
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#include "dxcapi.h"
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#if defined(__GNUC__) && !defined(__clang__)
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#pragma GCC diagnostic pop
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#endif
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#if !defined(_MSC_VER)
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#include <guiddef.h>
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#include <dxguids.h>
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#endif
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// Note: symbols are not available in MinGW and old MSVC import libraries.
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const CLSID CLSID_D3D12DeviceFactoryGodot = __uuidof(ID3D12DeviceFactory);
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const CLSID CLSID_D3D12DebugGodot = __uuidof(ID3D12Debug);
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const CLSID CLSID_D3D12SDKConfigurationGodot = __uuidof(ID3D12SDKConfiguration);
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extern "C" {
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char godot_nir_arch_name[32];
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}
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#ifdef PIX_ENABLED
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#if defined(__GNUC__)
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#define _MSC_VER 1800
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#endif
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#define USE_PIX
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#include "WinPixEventRuntime/pix3.h"
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#if defined(__GNUC__)
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#undef _MSC_VER
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#endif
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#endif
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RenderingContextDriverD3D12::RenderingContextDriverD3D12() {
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CharString cs = Engine::get_singleton()->get_architecture_name().ascii();
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memcpy(godot_nir_arch_name, (const char *)cs.get_data(), cs.size());
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}
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RenderingContextDriverD3D12::~RenderingContextDriverD3D12() {
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}
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Error RenderingContextDriverD3D12::_init_device_factory() {
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uint32_t agility_sdk_version = GLOBAL_GET("rendering/rendering_device/d3d12/agility_sdk_version");
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String agility_sdk_path = String(".\\") + Engine::get_singleton()->get_architecture_name();
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// Note: symbol is not available in MinGW import library.
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PFN_D3D12_GET_INTERFACE d3d_D3D12GetInterface = (PFN_D3D12_GET_INTERFACE)GetProcAddress(LoadLibraryW(L"D3D12.dll"), "D3D12GetInterface");
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if (d3d_D3D12GetInterface == nullptr) {
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// FIXME: Is it intended for this to silently return when it fails to find the symbol?
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return OK;
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}
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ID3D12SDKConfiguration *sdk_config = nullptr;
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if (SUCCEEDED(d3d_D3D12GetInterface(CLSID_D3D12SDKConfigurationGodot, IID_PPV_ARGS(&sdk_config)))) {
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ID3D12SDKConfiguration1 *sdk_config1 = nullptr;
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if (SUCCEEDED(sdk_config->QueryInterface(&sdk_config1))) {
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if (SUCCEEDED(sdk_config1->CreateDeviceFactory(agility_sdk_version, agility_sdk_path.ascii().get_data(), IID_PPV_ARGS(device_factory.GetAddressOf())))) {
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d3d_D3D12GetInterface(CLSID_D3D12DeviceFactoryGodot, IID_PPV_ARGS(device_factory.GetAddressOf()));
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} else if (SUCCEEDED(sdk_config1->CreateDeviceFactory(agility_sdk_version, ".\\", IID_PPV_ARGS(device_factory.GetAddressOf())))) {
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d3d_D3D12GetInterface(CLSID_D3D12DeviceFactoryGodot, IID_PPV_ARGS(device_factory.GetAddressOf()));
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}
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sdk_config1->Release();
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}
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sdk_config->Release();
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}
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return OK;
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}
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Error RenderingContextDriverD3D12::_initialize_debug_layers() {
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ComPtr<ID3D12Debug> debug_controller;
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HRESULT res;
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if (device_factory) {
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res = device_factory->GetConfigurationInterface(CLSID_D3D12DebugGodot, IID_PPV_ARGS(&debug_controller));
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} else {
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res = D3D12GetDebugInterface(IID_PPV_ARGS(&debug_controller));
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}
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ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_QUERY_FAILED);
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debug_controller->EnableDebugLayer();
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return OK;
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}
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Error RenderingContextDriverD3D12::_initialize_devices() {
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const UINT dxgi_factory_flags = use_validation_layers() ? DXGI_CREATE_FACTORY_DEBUG : 0;
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HRESULT res = CreateDXGIFactory2(dxgi_factory_flags, IID_PPV_ARGS(&dxgi_factory));
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ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_CANT_CREATE);
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// Enumerate all possible adapters.
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LocalVector<IDXGIAdapter1 *> adapters;
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IDXGIAdapter1 *adapter = nullptr;
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do {
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adapter = create_adapter(adapters.size());
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if (adapter != nullptr) {
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adapters.push_back(adapter);
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}
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} while (adapter != nullptr);
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ERR_FAIL_COND_V_MSG(adapters.is_empty(), ERR_CANT_CREATE, "Adapters enumeration reported zero accessible devices.");
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// Fill the device descriptions with the adapters.
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driver_devices.resize(adapters.size());
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for (uint32_t i = 0; i < adapters.size(); ++i) {
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DXGI_ADAPTER_DESC1 desc = {};
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adapters[i]->GetDesc1(&desc);
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Device &device = driver_devices[i];
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device.name = desc.Description;
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device.vendor = Vendor(desc.VendorId);
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if (desc.Flags & DXGI_ADAPTER_FLAG_SOFTWARE) {
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device.type = DEVICE_TYPE_CPU;
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} else {
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const bool has_dedicated_vram = desc.DedicatedVideoMemory > 0;
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device.type = has_dedicated_vram ? DEVICE_TYPE_DISCRETE_GPU : DEVICE_TYPE_INTEGRATED_GPU;
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}
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}
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// Release all created adapters.
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for (uint32_t i = 0; i < adapters.size(); ++i) {
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adapters[i]->Release();
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}
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ComPtr<IDXGIFactory5> factory_5;
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dxgi_factory.As(&factory_5);
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if (factory_5 != nullptr) {
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// The type is important as in general, sizeof(bool) != sizeof(BOOL).
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BOOL feature_supported = FALSE;
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res = factory_5->CheckFeatureSupport(DXGI_FEATURE_PRESENT_ALLOW_TEARING, &feature_supported, sizeof(feature_supported));
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if (SUCCEEDED(res)) {
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tearing_supported = feature_supported;
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} else {
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ERR_PRINT("CheckFeatureSupport failed with error " + vformat("0x%08ux", (uint64_t)res) + ".");
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}
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}
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return OK;
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}
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bool RenderingContextDriverD3D12::use_validation_layers() const {
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return Engine::get_singleton()->is_validation_layers_enabled();
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}
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Error RenderingContextDriverD3D12::initialize() {
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Error err = _init_device_factory();
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ERR_FAIL_COND_V(err != OK, ERR_CANT_CREATE);
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if (use_validation_layers()) {
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err = _initialize_debug_layers();
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ERR_FAIL_COND_V(err != OK, ERR_CANT_CREATE);
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}
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err = _initialize_devices();
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ERR_FAIL_COND_V(err != OK, ERR_CANT_CREATE);
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return OK;
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}
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const RenderingContextDriver::Device &RenderingContextDriverD3D12::device_get(uint32_t p_device_index) const {
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DEV_ASSERT(p_device_index < driver_devices.size());
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return driver_devices[p_device_index];
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}
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uint32_t RenderingContextDriverD3D12::device_get_count() const {
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return driver_devices.size();
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}
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bool RenderingContextDriverD3D12::device_supports_present(uint32_t p_device_index, SurfaceID p_surface) const {
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// All devices should support presenting to any surface.
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return true;
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}
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RenderingDeviceDriver *RenderingContextDriverD3D12::driver_create() {
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return memnew(RenderingDeviceDriverD3D12(this));
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}
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void RenderingContextDriverD3D12::driver_free(RenderingDeviceDriver *p_driver) {
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memdelete(p_driver);
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}
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RenderingContextDriver::SurfaceID RenderingContextDriverD3D12::surface_create(const void *p_platform_data) {
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const WindowPlatformData *wpd = (const WindowPlatformData *)(p_platform_data);
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Surface *surface = memnew(Surface);
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surface->hwnd = wpd->window;
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return SurfaceID(surface);
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}
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void RenderingContextDriverD3D12::surface_set_size(SurfaceID p_surface, uint32_t p_width, uint32_t p_height) {
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Surface *surface = (Surface *)(p_surface);
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surface->width = p_width;
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surface->height = p_height;
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surface->needs_resize = true;
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}
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void RenderingContextDriverD3D12::surface_set_vsync_mode(SurfaceID p_surface, DisplayServer::VSyncMode p_vsync_mode) {
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Surface *surface = (Surface *)(p_surface);
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surface->vsync_mode = p_vsync_mode;
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surface->needs_resize = true;
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}
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DisplayServer::VSyncMode RenderingContextDriverD3D12::surface_get_vsync_mode(SurfaceID p_surface) const {
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Surface *surface = (Surface *)(p_surface);
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return surface->vsync_mode;
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}
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uint32_t RenderingContextDriverD3D12::surface_get_width(SurfaceID p_surface) const {
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Surface *surface = (Surface *)(p_surface);
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return surface->width;
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}
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uint32_t RenderingContextDriverD3D12::surface_get_height(SurfaceID p_surface) const {
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Surface *surface = (Surface *)(p_surface);
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return surface->height;
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}
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void RenderingContextDriverD3D12::surface_set_needs_resize(SurfaceID p_surface, bool p_needs_resize) {
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Surface *surface = (Surface *)(p_surface);
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surface->needs_resize = p_needs_resize;
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}
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bool RenderingContextDriverD3D12::surface_get_needs_resize(SurfaceID p_surface) const {
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Surface *surface = (Surface *)(p_surface);
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return surface->needs_resize;
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}
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void RenderingContextDriverD3D12::surface_destroy(SurfaceID p_surface) {
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Surface *surface = (Surface *)(p_surface);
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memdelete(surface);
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}
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bool RenderingContextDriverD3D12::is_debug_utils_enabled() const {
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#ifdef PIX_ENABLED
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return true;
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#else
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return false;
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#endif
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}
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IDXGIAdapter1 *RenderingContextDriverD3D12::create_adapter(uint32_t p_adapter_index) const {
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ComPtr<IDXGIFactory6> factory_6;
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dxgi_factory.As(&factory_6);
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// TODO: Use IDXCoreAdapterList, which gives more comprehensive information.
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IDXGIAdapter1 *adapter = nullptr;
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if (factory_6) {
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if (factory_6->EnumAdapterByGpuPreference(p_adapter_index, DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE, IID_PPV_ARGS(&adapter)) == DXGI_ERROR_NOT_FOUND) {
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return nullptr;
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}
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} else {
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if (dxgi_factory->EnumAdapters1(p_adapter_index, &adapter) == DXGI_ERROR_NOT_FOUND) {
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return nullptr;
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}
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}
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return adapter;
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}
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ID3D12DeviceFactory *RenderingContextDriverD3D12::device_factory_get() const {
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return device_factory.Get();
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}
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IDXGIFactory2 *RenderingContextDriverD3D12::dxgi_factory_get() const {
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return dxgi_factory.Get();
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}
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bool RenderingContextDriverD3D12::get_tearing_supported() const {
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return tearing_supported;
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}
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