add from giga-device, new branch added

2025-08-21 16:51:25 +08:00
commit 43bbc06bbb
1296 changed files with 264186 additions and 0 deletions
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+//-----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+// file="FBO.cs"
+// Project: StgSharp
+// AuthorGroup: Nitload Space
+// Copyright (c) Nitload Space. All rights reserved.
+//     
+// Permission is hereby granted, free of charge, to any person 
+// obtaining a copy of this software and associated documentation 
+// files (the “Software”), to deal in the Software without restriction, 
+// including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, 
+// and to permit persons to whom the Software is furnished to do so, 
+// subject to the following conditions:
+//     
+// The above copyright notice and 
+// this permission notice shall be included in all copies 
+// or substantial portions of the Software.
+//     
+// THE SOFTWARE IS PROVIDED “AS IS”, 
+// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+// ARISING FROM, OUT OF OR IN CONNECTION WITH 
+// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//     
+// -----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+using StgSharp.Graphics.OpenGL;
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp.Graphics.OpenGL
+{
+    #pragma warning disable CA1008 
+    #pragma warning disable CA1028 
+    public enum FrameBufferTarget : uint
+    #pragma warning restore CA1028 
+    #pragma warning restore CA1008 
+    {
+
+        Read = glConst.READ_FRAMEBUFFER,
+        All = glConst.FRAMEBUFFER,
+        Draw = glConst.DRAW_FRAMEBUFFER,
+
+    }
+
+    public sealed class FrameBuffer : GlBufferObjectBase
+    {
+
+        internal unsafe FrameBuffer(int count, glRender binding)
+            : base(binding)
+        {
+            _bufferHandle = GL.GenFrameBuffers(count);
+        }
+
+        /// <summary>
+        ///   Bind the frame BufferHandle object with _label frame BufferHandle to the frame
+        ///   BufferHandle target specified by target. <see langword="FrameBufferTarget.All" /> will
+        ///   be set as default target.
+        /// </summary>
+        /// <param _label="index">
+        ///   Index of object to be binded in handle set
+        /// </param>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public override unsafe void Bind(int index)
+        {
+            GL.BindFrameBuffer(FrameBufferTarget.All, _bufferHandle[index]);
+        }
+
+        /// <summary>
+        ///   Bind the frame BufferHandle object with _label frame BufferHandle to the frame
+        ///   BufferHandle target specified by target. Target of this frame BufferHandle should be
+        ///   set manually.
+        /// </summary>
+        /// <param _label="target">
+        ///   The frame BufferHandle target of the binding operation.
+        /// </param>
+        /// <param _label="index">
+        ///   Index of object to be binded in handle set
+        /// </param>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public unsafe void Bind(FrameBufferTarget target, int index)
+        {
+            GL.BindFrameBuffer(target, _bufferHandle[index]);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void BindNull()
+        {
+            OpenGLFunction.CurrentGL.BindFrameBuffer(FrameBufferTarget.All, GlHandle.Zero);
+        }
+
+        protected override void Dispose(bool disposing)
+        {
+            throw new NotImplementedException();
+        }
+
+    }
+}