daily uodate on 20240411 by nitload youmu, camera complete

源代码/StgSharp/Graphics/GL/Buffer/EBO.cs

@@ -39,7 +39,7 @@ using System.Text;
 namespace StgSharp.Graphics
 {
     /// <summary>
-    /// A collecion of handle to Element Buffer Object in OpenGL.
+    /// A collection of handle to Element Buffer Object in OpenGL.
     /// Each <see langword="uint"/> value indexed from instance of this class this
     /// is the only handle to one Element Buffer Object.
     /// </summary>

源代码/StgSharp/Graphics/GL/Buffer/FBO.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp.Graphics
+{
+    public enum FrameBufferTarget:uint
+    {
+        Read = GLconst.READ_FRAMEBUFFER,
+        All = GLconst.FRAMEBUFFER,
+        Draw = GLconst.DRAW_FRAMEBUFFER,
+    }
+
+    public class FrameBuffer : BufferObjectBase
+    {
+        internal unsafe FrameBuffer(int count, IntPtr contextBinding)
+        {
+            binding = contextBinding;
+            _bufferHandle = new glHandleSet(count);
+            ((GLcontext*)binding)->glGenFramebuffers((uint)count,_bufferHandle.handle);
+        }
+
+        /// <summary>
+        /// Bind the frame buffer object with name frame buffer to the frame buffer target specified by target.
+        /// <see langword="FrameBufferTarget.All"/> will be set as default target.
+        /// </summary>
+        /// <param name="index">Index of object to be binded in handle set</param>
+        public unsafe override void Bind(int index)
+        {
+            ((GLcontext*)binding)->glBindFramebuffer(GLconst.FRAMEBUFFER, _bufferHandle[index].Value);
+        }
+
+        /// <summary>
+        /// Bind the frame buffer object with name frame buffer to the frame buffer target specified by target.
+        /// Target of this frame buffer should be set manually.
+        /// </summary>
+        /// <param name="target">The frame buffer target of the binding operation.</param>
+        /// <param name="index">Index of object to be binded in handle set</param>
+        public unsafe void Bind(FrameBufferTarget target, int index)
+        {
+            ((GLcontext*)binding)->glBindFramebuffer((uint)target, _bufferHandle[index].Value);
+        }
+
+        protected override void Dispose(bool disposing)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}