daily update on 20231016 by nitload youmu, vao,vbo,ebo struct added

2023-10-17 01:22:30 +08:00
parent 6c3349f5a2
commit 614fabe26c
135 changed files with 28619 additions and 5432 deletions
@@ -0,0 +1,62 @@
+using StgSharp.Math;
+using System;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace StgSharp.Graphics
+{
+    public unsafe struct VertexBuffer : IDisposable
+    {
+        internal uint _bufferID;
+
+        public VertexBuffer(int n)
+        {
+            fixed (uint* id = &_bufferID)
+            {
+                Graphic.glGenBuffers(n, id);
+            }
+
+        }
+
+        public uint BufferID
+        {
+            get { return _bufferID; }
+        }
+        public void Bind()
+        {
+            Graphic.glBindBuffer(GLFW.GL_ARRAY_BUFFER, _bufferID);
+        }
+
+        public void Dispose()
+        {
+            fixed (uint* id = &_bufferID)
+            {
+                Graphic.glDeleteBuffers(1, id);
+            }
+        }
+
+        public void SetData<T>(T bufferData, BufferReadType readType) where T : IMat
+        {
+            int size = Marshal.SizeOf(bufferData);
+            Graphic.glBufferData(
+                (int)BufferType.ARRAY_BUFFER,
+                size,
+                &bufferData,
+                (int)readType);
+        }
+
+        public void SetData<T>(T[] bufferArray, BufferReadType readType) where T : struct, IConvertible
+        {
+
+            int size = bufferArray.Length * Marshal.SizeOf(typeof(T));
+
+            fixed (void* bufferPtr = &bufferArray[0])
+                Graphic.glBufferData(
+                    (int)BufferType.ARRAY_BUFFER,
+                    size,
+                    bufferPtr,
+                    (int)readType);
+        }
+    }
+}