392 lines
13 KiB
C#
392 lines
13 KiB
C#
using StgSharp.Logic;
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using StgSharp.Math;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace StgSharp.Graphics
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{
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internal unsafe partial class GLonUpdate : IglFunc
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{
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private static ConcurrentQueue<IntPtr> glActionQueue;
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private static GLparamQueue paramQueue;
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private FrameTimeoutException refreshSignal = new();
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private GLcontext* api;
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private IntPtr SwapBufferPtr = (IntPtr)(delegate*<IntPtr, void>)&InternalIO.glfwSwapBuffers;
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GLcontext* IglFunc.Context
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{
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get => api;
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}
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internal GLonUpdate(GLcontext* context)
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{
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if (paramQueue == null)
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{
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paramQueue = new GLparamQueue();
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}
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glActionQueue = new ConcurrentQueue<IntPtr>();
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api = context;
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}
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internal static GLparamQueue ParamQueue
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{
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get { return paramQueue; }
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}
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internal ConcurrentQueue<IntPtr> GLactionQueue
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{
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get
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{
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return glActionQueue;
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}
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}
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void IglFunc.ActiveTexture(uint type)
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{
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paramQueue.Enqueue(type);
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glActionQueue.Enqueue(ActiveTexturePtr);
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}
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void IglFunc.AfterAlign(Form form, Action action)
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{
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throw new NotImplementedException();
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}
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void IglFunc.AlignFrame(Form form)
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{
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if (form.timer.alignSign.byte0 > 0)
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{
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throw new InvalidOperationException();
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}
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form.timer.alignSign.byte0++;
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form.timer.WaitNextFrame();
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throw refreshSignal;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.AttachShader(glHandle program, glHandle shader)
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{
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paramQueue.Enqueue(program, shader);
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glActionQueue.Enqueue(AttachShaderPtr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.BindBuffer(BufferType bufferType, glHandle handle)
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{
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M128 m = default;
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m.UInt32[0] = (uint)bufferType;
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m.UInt64[1] = (ulong)handle.Handle;
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paramQueue.Enqueue(m);
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glActionQueue.Enqueue(BindBufferPtr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.BindTexture(uint type, glHandle texture)
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{
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M128 m = default;
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m.UInt64[1] = (ulong)texture.valuePtr;
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m.UInt32[0] = (uint)type;
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paramQueue.Enqueue(m);
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glActionQueue.Enqueue(BindTexturePtr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.BindVertexArray(glHandle index)
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{
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paramQueue.Enqueue(index);
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glActionQueue.Enqueue(BindVertexArrayPtr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.Clear(MaskBufferBit mask)
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{
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glActionQueue.Enqueue(ClearPtr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.ClearColor(float R, float G, float B, float A)
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{
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paramQueue.Enqueue(R, G, B, A);
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glActionQueue.Enqueue(ClearColorPtr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.ClearGraphicError()
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{
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glActionQueue.Enqueue(ClearGraphicErrorPtr);
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}
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glHandleSet IglFunc.CompileShader(ShaderType shaderType, params string[] shaderCode)
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{
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int l = shaderCode.Length;
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if (l == 0)
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{
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throw new ArgumentException("Should input at least one piece of shader code");
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}
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glHandleSet shaderHandle = new glHandleSet(shaderCode.Length);
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paramQueue.Enqueue((int)shaderType, l);
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for (int i = 0; i < l; i++)
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{
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GCHandle codePtr = GCHandle.Alloc(Encoding.UTF8.GetBytes(shaderCode[i] + '\0'), GCHandleType.Pinned);
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paramQueue.Enqueue((IntPtr)(shaderHandle.handle + i), codePtr.AddrOfPinnedObject());
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}
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glActionQueue.Enqueue(CompileShaderPtr);
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return shaderHandle;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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glHandle IglFunc.CreateProgram()
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{
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glHandle h = glHandle.Alloc(1);
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paramQueue.Enqueue(h);
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glActionQueue.Enqueue(CreateProgramPtr);
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return h;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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glHandleSet IglFunc.CreateProgram(int count)
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{
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M128 m = default;
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glHandleSet h = new glHandleSet(count);
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m.UInt64[0] = (ulong)h.handle;
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m.Int32[2] = count;
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paramQueue.Enqueue(m);
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glActionQueue.Enqueue(CreateProgramSetPtr);
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return h;
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}
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IntPtr IglFunc.CreateWindowHandle(int width, int height, string tittle, IntPtr monitor, Form share)
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{
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byte[] tittleBytes = Encoding.UTF8.GetBytes(tittle);
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IntPtr windowPtr;
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if (share == null)
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{
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windowPtr = InternalIO.glfwCreateWindow(
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width, height, tittleBytes, monitor, IntPtr.Zero);
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}
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else
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{
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windowPtr = InternalIO.glfwCreateWindow(
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width, height, tittleBytes, monitor, share.windowID);
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}
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if ((long)windowPtr == -1 || (long)windowPtr == -2)
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{
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throw new Exception("Cannot create window instance!");
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}
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else
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{
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return windowPtr;
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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glHandle IglFunc.CreatGraphicProgram()
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{
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glHandle h = glHandle.Alloc(1);
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paramQueue.Enqueue(h);
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glActionQueue.Enqueue(CreateProgramPtr);
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return h;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.DeleteBuffer(glHandle handle)
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{
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M128 m = default;
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m.UInt64[0] = (ulong)handle.Handle;
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m.UInt32[2] = 1;
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paramQueue.Enqueue(m);
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glActionQueue.Enqueue(DeleBufferPtr);
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}
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unsafe void IglFunc.DeleteBuffers(glHandleSet handle)
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{
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M128 m = default;
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m.UInt32[2] = (uint)handle.length;
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m.UInt64[0] = (ulong)handle.handle;
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paramQueue.Enqueue(m);
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glActionQueue.Enqueue(DeleBufferPtr);
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}
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unsafe void IglFunc.DeleteVertexArrays(glHandleSet arrays)
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{
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M128 m = default; m.UInt64[1] = (ulong)arrays.handle;
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m.Int32[0] = arrays.length;
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paramQueue.Enqueue(m);
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glActionQueue.Enqueue(DeleteVertexArrayPtr);
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}
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void IglFunc.DrawElements(GepmetryType mode, uint count, TypeCode type, IntPtr ptr)
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{
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uint a;
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switch (type)
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{
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case TypeCode.UInt32:
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a = GLconst.UNSIGNED_INT;
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break;
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case TypeCode.UInt16:
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a = GLconst.UNSIGNED_SHORT;
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break;
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case TypeCode.Byte:
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a = GLconst.UNSIGNED_BYTE;
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break;
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default:
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InternalIO.InternalWriteLog(
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$"Parameter error in parameter {type} method DrawElements. " +
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$"Only {TypeCode.Byte}, {TypeCode.UInt16}, {TypeCode.UInt32} types are suporrted.",
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LogType.Error);
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return;
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}
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paramQueue.Enqueue((uint)mode, count, a);
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paramQueue.Enqueue(ptr);
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glActionQueue.Enqueue(DrawElementsPtr);
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}
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unsafe glHandleSet IglFunc.GenBuffers(int count)
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{
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glHandleSet h = new glHandleSet(count);
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M128 m = default; m.UInt32[2] = (uint)count; m.UInt64[0] = (ulong)h.handle;
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paramQueue.Enqueue(m);
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glActionQueue.Enqueue(GenBufferPtr);
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return h;
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}
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unsafe glHandleSet IglFunc.GenTextures(int count)
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{
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glHandleSet h = new glHandleSet(count);
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M128 m = default; m.UInt32[2] = (uint)count; m.UInt64[0] = (ulong)h.handle;
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paramQueue.Enqueue(m);
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glActionQueue.Enqueue(GenTexturesPtr);
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return h;
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}
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unsafe glHandleSet IglFunc.GenVertexArrays(int count)
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{
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glHandleSet h = new glHandleSet(count);
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M128 m = default; m.UInt32[2] = (uint)count; m.UInt64[0] = (ulong)h.handle;
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paramQueue.Enqueue(m);
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glActionQueue.Enqueue(GenTexturesPtr);
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return h;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe glSHandle IglFunc.GetUniformLocation(glHandle program, string ptr)
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{
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glSHandle h = glSHandle.Alloc(0);
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M128 m;
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m.UInt64[0] = (ulong)program.Handle;
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m.UInt64[1] = (ulong)GCHandle.Alloc(Encoding.UTF8.GetBytes(ptr)).AddrOfPinnedObject();
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paramQueue.Enqueue(m);
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paramQueue.Enqueue((IntPtr)h.valuePtr);
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glActionQueue.Enqueue(GetUniformLocationPtr);
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return h;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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bool IglFunc.GetWindowShouldClose(Form form)
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{
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return InternalIO.glfwWindowShouldClose(form.windowID) == 0;
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}
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public void GLswapBuffers(Form form)
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{
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if (form.windowID == IntPtr.Zero)
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{
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return;
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}
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InternalIO.glfwSwapBuffers(form.windowID);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.MakeContexCurrent(Form form)
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{
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if (form.windowID == IntPtr.Zero)
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{
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return;
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}
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InternalIO.glfwMakeContextCurrent(form.windowID);
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}
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void IglFunc.SetBufferData<T>(BufferType bufferType, T bufferData, BufferUsage usage)
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{
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paramQueue.Enqueue((uint)bufferType, (uint)usage);
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paramQueue.Enqueue((IntPtr)sizeof(T), GCHandle.Alloc(bufferData).AddrOfPinnedObject());
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glActionQueue.Enqueue(BufferDataPtr);
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}
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void IglFunc.SetBufferData<T>(BufferType bufferType, T[] bufferArray, BufferUsage usage)
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{
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paramQueue.Enqueue((uint)bufferType, (uint)usage);
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paramQueue.Enqueue((IntPtr)(Marshal.SizeOf<T>() * bufferArray.Length), GCHandle.Alloc(bufferArray).AddrOfPinnedObject());
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glActionQueue.Enqueue(BufferDataPtr);
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}
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void IglFunc.SetVertexAttribute(uint index, int size, TypeCode t, bool normalized, uint stride, int pointer)
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{
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uint type = InternalIO.GLtype[t];
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paramQueue.Enqueue(index, type, stride);
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paramQueue.Enqueue(size, normalized ? 1 : 0, pointer);
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glActionQueue.Enqueue(SetVertexArrayPtr);
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}
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//TODO:双线程，换运行环境
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void IglFunc.SwitchContext()
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{
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paramQueue.context = api;
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}
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unsafe void IglFunc.TextureImage2d<T>(int target, int level, uint internalformat, uint width, uint height, uint format, uint type, glHandle pixels)
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{
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paramQueue.Enqueue(pixels);
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paramQueue.Enqueue((uint)level, internalformat, width, height);
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paramQueue.Enqueue((uint)target, format, type);
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glActionQueue.Enqueue(textureImage2dPtr);
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}
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void IglFunc.TextureParameter(int target, uint pname, int param)
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{
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M128 m = default;
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m.Int32[0] = target;
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m.UInt32[2] = pname;
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m.Int32[3] = param;
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paramQueue.Enqueue(m);
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glActionQueue.Enqueue(TextureParameterPtr);
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}
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void IglFunc.UseProgram(glHandle program)
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{
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paramQueue.Enqueue((IntPtr)program.valuePtr);
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glActionQueue.Enqueue(UseProgramPtr);
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}
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void IglFunc.Viewport(int x, int y, uint width, uint height)
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{
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Vec4d v = new Vec4d(x, y, (int)width, (int)height);
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paramQueue.Enqueue(v);
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glActionQueue.Enqueue(ViewPortPtr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal void frameworkHandleEnqueue(IntPtr methodHandle, params M128[] param)
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{
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glActionQueue.Enqueue(methodHandle);
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foreach (M128 item in param)
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{
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paramQueue.Enqueue(item);
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}
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}
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}
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} |