finish buggy dx11 code

2026-01-04 23:11:58 +08:00
parent a66d3dee8b
commit 7b234ec405
12 changed files with 432 additions and 219 deletions
--- a/BasaltPresenter/Shared/directx_util.cpp
+++ b/BasaltPresenter/Shared/directx_util.cpp
@@ -0,0 +1,67 @@
+#include "directx_util.hpp"
+#include <stdexcept>
+#include <string>
+
+namespace Basalt::Shared::DirectX {
+
+    // Window procedure for the render window
+    LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
+        switch (msg) {
+            case WM_CLOSE:
+                PostQuitMessage(0);
+                return 0;
+            default:
+                break;
+        }
+        return DefWindowProcW(hwnd, msg, wParam, lParam);
+    }
+
+    // Create a render window for DirectX
+    HWND CreateRenderWindow(std::uint32_t width, std::uint32_t height, const std::wstring_view& title) {
+        static bool g_CLSREG = false;
+        constexpr wchar_t class_name[] = L"DirectXRenderWindowClass";
+        std::wstring c_title(title);
+
+        if (!g_CLSREG) {
+            WNDCLASSEXW wc = {0};
+            wc.cbSize = sizeof(WNDCLASSEXW);
+            wc.style = CS_HREDRAW | CS_VREDRAW;
+            wc.lpfnWndProc = WndProc;
+            wc.hInstance = GetModuleHandleW(nullptr);
+            wc.hCursor = LoadCursorW(nullptr, IDC_ARROW);
+            wc.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);
+            wc.lpszClassName = class_name;
+
+            if (!RegisterClassExW(&wc)) {
+                throw std::runtime_error("Failed to register window class");
+            }
+            g_CLSREG = true;
+        }
+
+        // Calculate window size including borders
+        RECT rect = {0, 0, static_cast<LONG>(width), static_cast<LONG>(height)};
+        AdjustWindowRect(&rect, WS_OVERLAPPEDWINDOW, FALSE);
+
+        HWND hwnd = CreateWindowExW(0,
+                                    class_name,
+                                    c_title.c_str(),
+                                    WS_OVERLAPPEDWINDOW,
+                                    CW_USEDEFAULT,
+                                    CW_USEDEFAULT,
+                                    rect.right - rect.left,
+                                    rect.bottom - rect.top,
+                                    nullptr,
+                                    nullptr,
+                                    GetModuleHandleW(nullptr),
+                                    nullptr);
+        if (!hwnd) {
+            throw std::runtime_error("Failed to create render window");
+        }
+
+        ShowWindow(hwnd, SW_SHOW);
+        UpdateWindow(hwnd);
+
+        return hwnd;
+    }
+
+}