Daily update 2 on 20240228 by nitload youmu

2025-03-01 04:58:46 +08:00
parent 90d5f76511
commit f22862dfc4
983 changed files with 180004 additions and 0 deletions
@@ -0,0 +1,191 @@
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="glRenderStream.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.Math;
+using StgSharp.Threading;
+
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace StgSharp.Graphics.OpenGL
+{
+    public abstract partial class glRender : RenderStream
+    {
+
+        private protected static readonly ConcurrentDictionary<glRender, Thread> renderToThread
+            = new ConcurrentDictionary<glRender, Thread>();
+
+        private OpenGLFunction _context;
+
+        protected internal OpenGLFunction GL
+        {
+            get { return _context; }
+        }
+
+        /// <summary>
+        /// Initialize an opengl context and load all opengl functions.
+        /// </summary>
+        public unsafe void InitializeContext()
+        {
+            if( ContextHandle == default ) {
+                ContextHandle = Marshal.AllocHGlobal(
+                    Marshal.SizeOf( typeof( OpenglContext ) ) );
+                OpenglContext* contextID = ( OpenglContext* )ContextHandle;
+                contextID->glGetString = ( delegate*<uint, IntPtr> )IntPtr.Zero;
+            }
+            if( GL == null ) {
+                _context = OpenGLFunction.BuildGlFunctionPackage(
+                    ContextHandle );
+            }
+        }
+
+        /// <summary>
+        /// Initialize an OpenGl viewPortDisplay if current form has not been binded to any
+        /// viewPortDisplay.  and set the viewPortDisplay binded to current form as current OpenGL
+        /// viewPortDisplay.
+        /// </summary>
+        /// <exception cref="Exception">
+        /// Something goes wrong and StgSharp fails in creating a new OpenGL viewPortDisplay.
+        /// </exception>
+        public unsafe void MakeAsCurrentContext()
+        {
+            InternalIO.glfwMakeContextCurrent( CanvasHandle );
+            OpenGLFunction.CurrentGL = this.GL;
+        }
+
+        /// <inheritdoc />
+        public override void RenderEnd()
+        {
+            if( !renderToThread.TryGetValue( this,
+                                             out Thread t ) || t != Thread.CurrentThread ) {
+                throw new InvalidOperationException(
+                    $"Current render has had been binded to thread {t!.ManagedThreadId}" );
+            }
+            SwapBuffers();
+            renderToThread[ this ] = ThreadHelper.EmptyThread;
+            InternalIO.glfwMakeContextCurrent( IntPtr.Zero );
+            OpenGLFunction.CurrentGL = null;
+        }
+
+        /// <inheritdoc />
+        public override void RenderStart()
+        {
+            Thread current = Thread.CurrentThread;
+            if( !renderToThread.TryGetValue( this,
+                                             out Thread t ) || t == ThreadHelper.EmptyThread ) {
+                renderToThread[ this ] = current;
+                MakeAsCurrentContext();
+                return;
+            }
+            if( t != current ) {
+                throw new InvalidOperationException(
+                    $"Current render has had been binded to thread {t!.ManagedThreadId}" );
+            }
+        }
+
+        [MethodImpl( MethodImplOptions.AggressiveInlining )]
+        public override void SetSizeLimit(
+            int minWidth,
+            int minHeight,
+            int maxWidth,
+            int maxHeight )
+        {
+            InternalIO.glfwSetWindowSizeLimits(
+                this.CanvasHandle, minWidth, minHeight, maxWidth, maxHeight );
+        }
+
+        [MethodImpl( MethodImplOptions.AggressiveInlining )]
+        internal override sealed void PlatformSpecifiedInitialize()
+        {
+            InitializeContext();
+            MakeAsCurrentContext();
+            glManager.LoadOpenGLApiTo( BindedViewPortContext.GraphicHandle );
+        }
+
+        [MethodImpl( MethodImplOptions.AggressiveInlining )]
+        internal override sealed void Terminate()
+        {
+            CustomizeDeinit();
+        }
+
+        protected override sealed Uniform<Matrix44> NativeCameraUniform(
+            ShaderProgram source,
+            string name )
+        {
+            NativeCamera.GainAllUniforms( source, name );
+            return NativeCamera.convertedUniform;
+        }
+
+        [MethodImpl( MethodImplOptions.AggressiveInlining )]
+        protected override sealed void NativeCameraViewRange(
+            Radius fieldOfRange,
+            Vec2 offset,
+            (float frontDepth, float backDepth) viewDepth )
+        {
+            NativeCamera.SetViewRange(
+                fieldOfRange, this.Size, offset, viewDepth );
+        }
+
+        protected override sealed void NativeCameraViewTarget(
+            Vec3 position,
+            Vec3 direction,
+            Vec3 up )
+        {
+            NativeCamera.SetViewDirection( position, direction, up );
+        }
+
+        #region Key Control
+
+        protected KeyStatus CheckKey( KeyboardKey key )
+        {
+            return InternalIO.glfwGetKey( this.CanvasHandle, ( int )key );
+        }
+
+        protected KeyStatus CheckKey( Mouse key )
+        {
+            return InternalIO.glfwGetKey( this.CanvasHandle, ( int )key );
+        }
+
+        protected KeyStatus CheckKey( Joystick key )
+        {
+            return InternalIO.glfwGetKey( this.CanvasHandle, ( int )key );
+        }
+
+        #endregion
+    }
+}