daily update on 20240213 by nitload youmu. 逐步弃用GLFW，正在使用wgl重写glfw底层，相关实现转移到C#实现，SSC彻底变成线性代数计算器。

2024-02-13 23:42:22 +08:00
parent 8391569482
commit a2241a5a58
307 changed files with 16701 additions and 10296 deletions
@@ -0,0 +1,78 @@
+using StgSharp.Envitronment.Win32;
+using StgSharp.Graphics;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http.Headers;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+#if Windows
+#pragma warning disable CA1416
+
+using Windows.Win32.Graphics.Gdi;
+using Windows.Win32.Graphics.OpenGL;
+
+
+namespace StgSharpDebug.Environment
+{
+    public static unsafe class wglEx
+    {
+
+        private static delegate* unmanaged[Stdcall]<HDC, int*, float*, uint, int*, uint*, bool> wglChoosePixelFormatARBpointer;
+        private static delegate* unmanaged[Stdcall]<HDC, HGLRC, int*, HGLRC> wglCreateContextAttribsARBpointer;
+
+        public static unsafe bool glChoosePixelFormatARB(
+            DeviceContextHandle hdc,
+            int[] pixelIntAttributeList,
+            out int piFormats,
+            out uint piFormatCount)
+        {
+            if ((ulong)wglChoosePixelFormatARBpointer < 10)
+            {
+                piFormats = 0;
+                piFormatCount = 0;
+                return false;
+            }
+            pixelIntAttributeList = pixelIntAttributeList.Concat([0]).ToArray();
+            int pf;
+            uint nf;
+            fixed (int* pial = pixelIntAttributeList)
+            {
+                bool ret = wglChoosePixelFormatARBpointer(new HDC(hdc.Value), pial, (float*)0, 1, &pf, &nf);
+                piFormats = pf;
+                piFormatCount = nf;
+                return ret;
+            }
+        }
+
+        public static unsafe GlRenderContextHandle wglCreateContextAttribsARB(
+                            DeviceContextHandle hdc,
+            GlRenderContextHandle hglrc,
+            int[] pixelFormat)
+        {
+            if ((ulong)wglCreateContextAttribsARBpointer < 10)
+            {
+                return default;
+            }
+            HGLRC h, h_share = new HGLRC(hglrc.Value);
+            HDC h_dc = new HDC(hdc.Value);
+            fixed (int* format = pixelFormat)
+            {
+                h = wglCreateContextAttribsARBpointer(h_dc, h_share, format);
+                return new GlRenderContextHandle(h);
+            }
+        }
+
+        internal static void LoadWGLex()
+        {
+            wglChoosePixelFormatARBpointer = (delegate* unmanaged[Stdcall]<HDC, int*, float*, uint, int*, uint*, bool>)glManager.LoadGLfunc("wglChoosePixelFormatARB");
+            wglCreateContextAttribsARBpointer = (delegate* unmanaged[Stdcall]<HDC, HGLRC, int*, HGLRC>)glManager.LoadGLfunc("wglCreateContextAttribsARB");
+        }
+    }
+
+}
+
+#pragma warning restore CA1416 // 验证平台兼容性
+#endif