mirror of
https://github.com/Blinue/Magpie.git
synced 2026-06-24 02:04:10 +00:00
486 lines
14 KiB
C++
486 lines
14 KiB
C++
#include "pch.h"
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#include "Renderer.h"
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#include "App.h"
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#include "Utils.h"
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#include "StrUtils.h"
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#include "EffectCompiler.h"
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#include "FrameSourceBase.h"
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#include "DeviceResources.h"
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#include "GPUTimer.h"
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#include "EffectDrawer.h"
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#include "UIDrawer.h"
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#include "Logger.h"
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#include "CursorManager.h"
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#pragma push_macro("GetObject")
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#undef GetObject
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#include <rapidjson/document.h>
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#include <rapidjson/stringbuffer.h>
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#include <rapidjson/writer.h>
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Renderer::Renderer() {}
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Renderer::~Renderer() {}
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bool Renderer::Initialize(const std::string& effectsJson) {
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_gpuTimer.reset(new GPUTimer());
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if (!GetWindowRect(App::Get().GetHwndSrc(), &_srcWndRect)) {
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Logger::Get().Win32Error("GetWindowRect 失败");
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return false;
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}
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if (!_ResolveEffectsJson(effectsJson)) {
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Logger::Get().Error("_ResolveEffectsJson 失败");
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return false;
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}
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/*
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ID3D11Texture2D* backBuffer = App::Get().GetDeviceResources().GetBackBuffer();
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_UIDrawer.reset(new UIDrawer());
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if (!_UIDrawer->Initialize(backBuffer)) {
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return false;
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}*/
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// 初始化所有效果共用的动态常量缓冲区
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D3D11_BUFFER_DESC bd{};
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bd.Usage = D3D11_USAGE_DYNAMIC;
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bd.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
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bd.ByteWidth = 4 * (UINT)_dynamicConstants.size();
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bd.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
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HRESULT hr = App::Get().GetDeviceResources().GetD3DDevice()
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->CreateBuffer(&bd, nullptr, _dynamicCB.put());
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if (FAILED(hr)) {
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Logger::Get().ComError("CreateBuffer 失败", hr);
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return false;
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}
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return true;
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}
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void Renderer::Render() {
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if (!_CheckSrcState()) {
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Logger::Get().Info("源窗口状态改变，退出全屏");
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App::Get().Quit();
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return;
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}
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DeviceResources& dr = App::Get().GetDeviceResources();
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ID3D11DeviceContext3* d3dDC = dr.GetD3DDC();
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if (!_waitingForNextFrame) {
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dr.BeginFrame();
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}
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auto state = App::Get().GetFrameSource().Update();
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_waitingForNextFrame = state == FrameSourceBase::UpdateState::Waiting
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|| state == FrameSourceBase::UpdateState::Error;
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if (_waitingForNextFrame) {
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return;
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}
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_gpuTimer->BeginFrame();
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App::Get().GetCursorManager().BeginFrame();
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if (!_UpdateDynamicConstants()) {
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Logger::Get().Error("_UpdateDynamicConstants 失败");
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}
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{
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ID3D11Buffer* t = _dynamicCB.get();
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d3dDC->CSSetConstantBuffers(0, 1, &t);
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}
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for (auto& effect : _effects) {
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effect->Draw();
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}
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/*
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// 更新常量
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if (!EffectDrawer::UpdateExprDynamicVars()) {
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SPDLOG_LOGGER_ERROR(logger, "UpdateExprDynamicVars 失败");
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}
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if (state == FrameSourceBase::UpdateState::NewFrame) {
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} else {
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// 此帧内容无变化
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// 从第一个有动态常量的 Effect 开始渲染
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// 如果没有则只渲染最后一个 Effect 的最后一个 pass
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size_t i = 0;
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for (; i < _effects.size(); ++i) {
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if (_effects[i]->HasDynamicConstants()) {
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break;
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}
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}
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if (i == _effects.size()) {
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// 只渲染最后一个 Effect 的最后一个 pass
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_effects.back()->Draw(true);
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} else {
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for (; i < _effects.size(); ++i) {
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_effects[i]->Draw();
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}
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}
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}
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_UIDrawer->Draw();*/
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dr.EndFrame();
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}
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bool CheckForeground(HWND hwndForeground) {
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wchar_t className[256]{};
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if (!GetClassName(hwndForeground, (LPWSTR)className, 256)) {
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Logger::Get().Win32Error("GetClassName 失败");
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return false;
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}
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// 排除桌面窗口和 Alt+Tab 窗口
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if (!std::wcscmp(className, L"WorkerW") || !std::wcscmp(className, L"ForegroundStaging") ||
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!std::wcscmp(className, L"MultitaskingViewFrame") || !std::wcscmp(className, L"XamlExplorerHostIslandWindow")
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) {
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return true;
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}
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RECT rectForground{};
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// 如果捕获模式可以捕获到弹窗，则允许小的弹窗
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if (App::Get().GetFrameSource().IsScreenCapture()
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&& GetWindowStyle(hwndForeground) & (WS_POPUP | WS_CHILD)
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) {
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if (!Utils::GetWindowFrameRect(hwndForeground, rectForground)) {
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Logger::Get().Error("GetWindowFrameRect 失败");
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return false;
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}
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// 弹窗如果完全在源窗口客户区内则不退出全屏
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const RECT& srcFrameRect = App::Get().GetFrameSource().GetSrcFrameRect();
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if (rectForground.left >= srcFrameRect.left
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&& rectForground.right <= srcFrameRect.right
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&& rectForground.top >= srcFrameRect.top
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&& rectForground.bottom <= srcFrameRect.bottom
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) {
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return true;
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}
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}
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// 非多屏幕模式下退出全屏
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if (!App::Get().IsMultiMonitorMode()) {
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return false;
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}
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if (rectForground == RECT{}) {
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if (!Utils::GetWindowFrameRect(hwndForeground, rectForground)) {
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Logger::Get().Error("GetWindowFrameRect 失败");
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return false;
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}
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}
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IntersectRect(&rectForground, &App::Get().GetHostWndRect(), &rectForground);
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// 允许稍微重叠，否则前台窗口最大化时会意外退出
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if (rectForground.right - rectForground.left < 10 || rectForground.right - rectForground.top < 10) {
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return true;
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}
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// 排除开始菜单，它的类名是 CoreWindow
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if (std::wcscmp(className, L"Windows.UI.Core.CoreWindow")) {
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// 记录新的前台窗口
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Logger::Get().Info(StrUtils::Concat("新的前台窗口：\n\t类名：", StrUtils::UTF16ToUTF8(className)));
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return false;
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}
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DWORD dwProcId = 0;
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if (!GetWindowThreadProcessId(hwndForeground, &dwProcId)) {
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Logger::Get().Win32Error("GetWindowThreadProcessId 失败");
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return false;
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}
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Utils::ScopedHandle hProc(Utils::SafeHandle(OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, dwProcId)));
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if (!hProc) {
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Logger::Get().Win32Error("OpenProcess 失败");
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return false;
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}
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wchar_t fileName[MAX_PATH] = { 0 };
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if (!GetModuleFileNameEx(hProc.get(), NULL, fileName, MAX_PATH)) {
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Logger::Get().Win32Error("GetModuleFileName 失败");
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return false;
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}
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std::string exeName = StrUtils::UTF16ToUTF8(fileName);
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exeName = exeName.substr(exeName.find_last_of(L'\\') + 1);
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StrUtils::ToLowerCase(exeName);
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// win10: searchapp.exe 和 startmenuexperiencehost.exe
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// win11: searchhost.exe 和 startmenuexperiencehost.exe
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if (exeName == "searchapp.exe" || exeName == "searchhost.exe" || exeName == "startmenuexperiencehost.exe") {
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return true;
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}
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return false;
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}
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bool Renderer::_CheckSrcState() {
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HWND hwndSrc = App::Get().GetHwndSrc();
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if (!App::Get().IsBreakpointMode()) {
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HWND hwndForeground = GetForegroundWindow();
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if (hwndForeground && hwndForeground != hwndSrc && !CheckForeground(hwndForeground)) {
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Logger::Get().Info("前台窗口已改变");
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return false;
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}
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}
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if (Utils::GetWindowShowCmd(hwndSrc) != SW_NORMAL) {
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Logger::Get().Info("源窗口显示状态改变");
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return false;
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}
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RECT rect;
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if (!GetWindowRect(hwndSrc, &rect)) {
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Logger::Get().Error("GetWindowRect 失败");
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return false;
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}
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if (_srcWndRect != rect) {
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Logger::Get().Info("源窗口位置或大小改变");
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return false;
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}
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return true;
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}
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bool Renderer::_ResolveEffectsJson(const std::string& effectsJson) {
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rapidjson::Document doc;
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if (doc.Parse(effectsJson.c_str(), effectsJson.size()).HasParseError()) {
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// 解析 json 失败
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Logger::Get().Error(fmt::format("解析 json 失败\n\t错误码：{}", doc.GetParseError()));
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return false;
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}
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if (!doc.IsArray()) {
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Logger::Get().Error("解析 json 失败：根元素不为数组");
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return false;
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}
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const auto& effectsArr = doc.GetArray();
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// 不得为空
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if (effectsArr.Empty()) {
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Logger::Get().Error("解析 json 失败：根元素为空");
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return false;
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}
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// 并行编译所有效果
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UINT effectCount = effectsArr.Size();
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std::vector<const char*> effectNames(effectCount);
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std::vector<EffectParams> effectParams(effectCount);
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std::vector<EffectDesc> effectDescs(effectCount);
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std::atomic<bool> allSuccess = true;
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int duration = Utils::Measure([&]() {
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Utils::RunParallel([&](UINT id) {
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const auto& effectJson = effectsArr[id];
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UINT effectFlag = (id == effectCount - 1) ? EFFECT_FLAG_LAST_EFFECT : 0;
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EffectParams& params = effectParams[id];
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if (!effectJson.IsObject()) {
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Logger::Get().Error("解析 json 失败：根数组中存在非法成员");
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allSuccess = false;
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return;
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}
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{
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auto effectName = effectJson.FindMember("effect");
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if (effectName == effectJson.MemberEnd() || !effectName->value.IsString()) {
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Logger::Get().Error(fmt::format("解析效果#{}失败：未找到 effect 属性或该属性的值不合法", id));
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allSuccess = false;
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return;
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}
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effectNames[id] = effectName->value.GetString();
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}
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for (const auto& prop : effectJson.GetObject()) {
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if (!prop.name.IsString()) {
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Logger::Get().Error(fmt::format("解析效果#{}失败：非法的效果名", id));
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allSuccess = false;
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return;
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}
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std::string_view name = prop.name.GetString();
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if (name == "effect") {
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continue;
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} else if (name == "inlineParams") {
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if (!prop.value.IsBool()) {
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Logger::Get().Error(fmt::format("解析效果#{}（{}）失败：成员 inlineParams 必须为 bool 类型", id, effectNames[id]));
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allSuccess = false;
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return;
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}
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if (prop.value.GetBool()) {
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effectFlag |= EFFECT_FLAG_INLINE_PARAMETERS;
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}
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continue;
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} else if (name == "scale") {
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auto scaleProp = effectJson.FindMember("scale");
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if (scaleProp != effectJson.MemberEnd()) {
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if (!scaleProp->value.IsArray()) {
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Logger::Get().Error(fmt::format("解析效果#{}（{}）失败：成员 scale 必须为数组类型", id, effectNames[id]));
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allSuccess = false;
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return;
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}
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const auto& scale = scaleProp->value.GetArray();
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if (scale.Size() != 2 || !scale[0].IsNumber() || !scale[1].IsNumber()) {
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Logger::Get().Error(fmt::format("解析效果#{}（{}）失败：成员 scale 格式非法", id, effectNames[id]));
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allSuccess = false;
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return;
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}
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params.scale = std::make_pair(scale[0].GetFloat(), scale[1].GetFloat());
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}
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} else {
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auto& paramValue = params.params[std::string(name)];
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if (prop.value.IsFloat()) {
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paramValue = prop.value.GetFloat();
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} else if (prop.value.IsInt()) {
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paramValue = prop.value.GetInt();
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} else if (prop.value.IsBool()) {
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// bool 值视为 int
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paramValue = (int)prop.value.GetBool();
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} else {
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Logger::Get().Error(fmt::format("解析效果#{}（{}）失败：成员 {} 的类型非法", id, effectNames[id], name));
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allSuccess = false;
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return;
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}
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}
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}
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std::wstring fileName = (L"effects\\" + StrUtils::UTF8ToUTF16(effectNames[id]) + L".hlsl");
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bool success = true;
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int duration = Utils::Measure([&]() {
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success = !EffectCompiler::Compile(effectNames[id], effectFlag, effectParams[id].params, effectDescs[id]);
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});
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if (success) {
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Logger::Get().Info(fmt::format("编译 {} 用时 {} 毫秒", StrUtils::UTF16ToUTF8(fileName), duration / 1000.0f));
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} else {
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Logger::Get().Error(StrUtils::Concat("编译 ", StrUtils::UTF16ToUTF8(fileName), " 失败"));
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allSuccess = false;
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}
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}, effectCount);
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});
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if (allSuccess) {
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if (effectCount > 1) {
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Logger::Get().Info(fmt::format("编译着色器总计用时 {} 毫秒", duration / 1000.0f));
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}
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} else {
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return false;
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}
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ID3D11Texture2D* effectInput = App::Get().GetFrameSource().GetOutput();
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_effects.resize(effectCount);
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for (UINT i = 0; i < effectCount; ++i) {
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bool isLastEffect = i == effectCount - 1;
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_effects[i].reset(new EffectDrawer());
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if (!_effects[i]->Initialize(
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effectDescs[i], effectParams[i], effectInput, &effectInput,
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isLastEffect ? &_outputRect : nullptr,
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isLastEffect ? &_virtualOutputRect : nullptr
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)) {
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Logger::Get().Error(fmt::format("初始化效果#{} ({}) 失败", i, effectNames[i]));
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return false;
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}
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}
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return true;
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}
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bool Renderer::_UpdateDynamicConstants() {
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// cbuffer __CB1 : register(b0) {
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// int4 __cursorRect;
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// float2 __cursorPt;
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// uint2 __cursorPos;
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// uint __cursorType;
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// uint __frameCount;
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// };
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CursorManager& cursorManager = App::Get().GetCursorManager();
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if (cursorManager.HasCursor()) {
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const POINT* pos = cursorManager.GetCursorPos();
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const CursorManager::CursorInfo* ci = cursorManager.GetCursorInfo();
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ID3D11Texture2D* cursorTex;
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CursorManager::CursorType cursorType = CursorManager::CursorType::Color;
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if (!cursorManager.GetCursorTexture(&cursorTex, cursorType)) {
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Logger::Get().Error("GetCursorTexture 失败");
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}
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assert(pos && ci);
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float cursorZoomFactor = App::Get().GetCursorZoomFactor();
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if (cursorZoomFactor < 1e-5) {
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SIZE srcFrameSize = Utils::GetSizeOfRect(App::Get().GetFrameSource().GetSrcFrameRect());
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SIZE virtualOutputSize = Utils::GetSizeOfRect(_virtualOutputRect);
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cursorZoomFactor = (((float)virtualOutputSize.cx / srcFrameSize.cx)
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+ ((float)virtualOutputSize.cy / srcFrameSize.cy)) / 2;
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}
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SIZE cursorSize = {
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std::lroundf(ci->size.cx * cursorZoomFactor),
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std::lroundf(ci->size.cy * cursorZoomFactor)
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};
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_dynamicConstants[0].intVal = pos->x - std::lroundf(ci->hotSpot.x * cursorZoomFactor);
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_dynamicConstants[1].intVal = pos->y - std::lroundf(ci->hotSpot.y * cursorZoomFactor);
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_dynamicConstants[2].intVal = _dynamicConstants[0].intVal + cursorSize.cx;
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_dynamicConstants[3].intVal = _dynamicConstants[1].intVal + cursorSize.cy;
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_dynamicConstants[4].floatVal = 1.0f / cursorSize.cx;
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_dynamicConstants[5].floatVal = 1.0f / cursorSize.cy;
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_dynamicConstants[6].uintVal = pos->x;
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_dynamicConstants[7].uintVal = pos->y;
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_dynamicConstants[8].uintVal = (UINT)cursorType;
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} else {
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_dynamicConstants[0].intVal = INT_MAX;
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_dynamicConstants[1].intVal = INT_MAX;
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_dynamicConstants[2].intVal = INT_MAX;
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_dynamicConstants[3].intVal = INT_MAX;
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_dynamicConstants[6].uintVal = UINT_MAX;
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_dynamicConstants[7].uintVal = UINT_MAX;
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}
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_dynamicConstants[9].uintVal = _gpuTimer->GetFrameCount();
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auto d3dDC = App::Get().GetDeviceResources().GetD3DDC();
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D3D11_MAPPED_SUBRESOURCE ms;
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HRESULT hr = d3dDC->Map(_dynamicCB.get(), 0, D3D11_MAP_WRITE_DISCARD, 0, &ms);
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if (SUCCEEDED(hr)) {
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std::memcpy(ms.pData, _dynamicConstants.data(), _dynamicConstants.size() * 4);
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d3dDC->Unmap(_dynamicCB.get(), 0);
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} else {
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Logger::Get().ComError("Map 失败", hr);
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return false;
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}
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return true;
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}
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#pragma pop_macro("GetObject")
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